CN2711115Y

CN2711115Y - Device for controlling simple lifting/lowering freight lift used in building construction

Info

Publication number: CN2711115Y
Application number: CN 200420026320
Authority: CN
Inventors: 崔乃纬
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-15
Filing date: 2004-04-15
Publication date: 2005-07-20
Anticipated expiration: 2014-04-15

Abstract

The utility model relates to a device for controlling the elevator lifting/lowering, in particular to a device for controlling simple lifting/lowering freight lift used in building construction, which comprises a control transformer TM, a lifting alternating current contactor KM1, a lowering alternating current contactor KM2, a lifting control intermediate relay KA5, a lowering control intermediate relay KA6, a lifting control relay following the carriage KA3, a lowering control relay following the carriage KA4, two precast control intermediate relay KA1, KA2, a precast switch S, a position switch SQ, a lifting button SB1, a lowering button SB2, a lifting forced button SB3 and a lowering forced button SB4. The utility model has the advantages that the preset can be done, the braking is convenient and accurate, the efficiency is high, the service life of the electric motor is long, a plurality of protecting functions are owned, 36V safety voltage is adopted to make the elevating more safe and reliable, transmitting the information up the stairs and down the stair is convenient, the humanized design is owned, the circuit is simple, the production cost is low, simultaneously, the special operators are not needed, and salary cost can be saved.

Description

Simple construction construction baggage elevator apparatus for controlling of lifting

Technical field:

The utility model relates to elevator lifting controller, particularly a kind of simple construction construction baggage elevator apparatus for controlling of lifting

Background technology:

The winch that uses on the present building ground, floor is stopped accurately difficulty up and down, causes building sides and elevator lifting face inconsistent.Generally all use tip lorry cargo transport material on the building ground, real vehicle goes, empty wagons gets off, because above-mentioned two faces is inconsistent, connect two faces attachment strap must with these two face angulations, cause the go-cart difficulty, so generally use wooden unit, brick bed hedgehopping one end, not that the pad inboard is exactly the pad outside, pretty troublesome, the clear-cut sometimes barbarous operation of civilian worker on the building site, the several people extremely drags to live in dragging tip lorry is got building sides, very easily causes and splashes and overturn, and is excessive if mortar will turn over, formation accident possibly, start person often suffers finger matter because of the defective of machine performance.

On the other hand, the stop of the winch that uses on building ground location is to do the floor mark by full-time winch start personnel on steel rope, or marks with red cloth or electric light on derrick.The mark time one on the steel rope will be covered by greasy dirt or be worn for a long time, and simultaneously, the level mark often is confused, and causes and stops the wrong of level or stop error.Mark with red cloth or electric light, because of operator and goods not on one side, toward usual wrong poor, therefore, calibrate repeatedly during operation, thereby influence service life of motor by frequent starter motor.Above-mentioned two kinds of methods are difficult especially to the operation in evening.

In addition, the operation of this kind winch at present all needs the full-time staff, is unfavorable for personnel assignment and reduces production costs.Simultaneously, because operator's error meeting does not just start winch under the situation of safe escape the loading and unloading personnel, the accident that causes casualties, so safe reliability is poor.

Summary of the invention

The utility model purpose is exactly at above-mentioned the deficiencies in the prior art, proposes a kind of simple construction construction baggage elevator apparatus for controlling of lifting, and its technical scheme is as follows:

1, comprise control transformer TM, force rising AC contactor KM1, force decline AC contactor KM2, the control intermediate relay KA5 that rises, the control intermediate relay KA6 that descends, with car rising control relay KA3, with car decline control relay KA4, two prefabricated control intermediate relay KA1, KA2, prefabricated switch S, travel switch SQ, rising button SB1, decline button SB2, rise and force button SB3 and descend to force button SB4

Described pressure rising AC contactor KM1 and force decline AC contactor KM2 reciprocal interlocking, its upper end connects combined switch 5 is connected three phase mains with combined switch 4 backs L2 end and L3 end respectively, and the L1 that its lower end connects combined switch 3 back connection three phase mains altogether holds;

The end of described two prefabricated control intermediate relay KA1, KA2 connects 0 end of control transformer TM output primary B, and its other end connects prefabricated switch S and travel switch SQ respectively;

Described with car rising control relay KA3 with car decline control relay KA4 interconnected lock mutually, its a end is connected in series the 0-2 end that is connected to control transformer TM output primary behind rising button SB1 and the decline button SB2 respectively;

The described rising control intermediate relay KA5 and the control intermediate relay KA6 reciprocal interlocking that descends, their end are connected in series respectively to rise and force button SB3 and descend to force to be connected to behind the button SB4 0-2 end of voltage transformer TM output primary.

2, described combined switch (5) is by forcing rising AC contactor KM1, force decline AC contactor KM2, with car rising control relay KA3, the prefabricated control intermediate relay KA1 and the control intermediate relay KA5 that rises often open, normally closed contact is formed, force the auxiliary open contact KM1-1 of rising AC contactor KM1 and with the open contact KA3-1 of car rising control relay KA3 and connect the back serial connection and force the auxiliary normally closed contact KM2-2 of rising AC contactor KM2 and the normally closed contact KA1-1 of prefabricated control intermediate relay KA1, the open contact KA5-1 of the control intermediate relay KA5 that rises is connected through also above-mentioned, switch ends after the serial connection.

3, described combined switch (4) is by forcing rising AC contactor KM1, force decline AC contactor KM2 and with car decline control relay KA4, the prefabricated control intermediate relay KA1 and the control intermediate relay KA6 that descends often open, normally closed contact is formed, force the auxiliary open contact KM2-2 of decline AC contactor KM2 and with the open contact KA4-1 of car decline control relay KA4 and connect the back serial connection and force the auxiliary normally closed contact KM1-2 of rising AC contactor KM1 and the normally closed contact KA1-2 of prefabricated control intermediate relay KA1, the open contact KA6-1 of the control intermediate relay KA6 that descends is connected through also above-mentioned, switch ends after the serial connection.

4, described combined switch 3 is by the open contact of prefabricated control intermediate relay KA2, rising control relay KA5, decline control relay KA6 and connect and form.

5, described prefabricated switch S is made up of two groups of open contacts, and an end of two groups of open contacts connects 2 ends of transformer secondary output coil B, and its other end connects prefabricated control intermediate relay KA2 and travel switch SQ respectively.

6, described voltage transformer TM output primary also can be drawn 1 end, between 0-1 end and connect news Chinese percussion instrument 12 or solid videocorder 13 or both simultaneously and connect.

The beneficial effects of the utility model are: 1) with presetting automatic stop, but individual layer presets or multilayer presets, convenient as the automatic stop lifting of usual elevator, stop steadily, accurate, improved work efficiency, alleviated labour intensity, avoided the accident that causes because of tired, can significantly reduce the electric motor starting number of times simultaneously, raising motor service life; 2) in lifting process, there are extraordinary circumstances to stop midway, are provided with multinomial defencive function in the machine: the device protection and fuse protected that continues of open-phase protection, interlock protection, heat, and adopt the 36V safety voltage, and avoid electric shock accidents, make lifting more safe and reliable; 3) pass on information under the upstairs house conveniently, available solid recording is message, and arrival need stop floor plays automatically, so as not to calling out loudly down, has more human oriented design upstairs; 4) circuit is simple, and productive costs is low not to need full-time operating personal also can save wage cost simultaneously.

Description of drawings

Fig. 1 is a circuit structure block diagram of the present utility model

Fig. 2 is schematic circuit diagram of the present utility model

Among the figure the 0,1, the 2nd, 0V, the 12V of control transformer TM output primary, 36V potential end, the 3,4, the 5th, combined switch, the 6th, with vehicle controller, the 7th, winch, the 8th, brake shoe, the 9th, brake wheel, the 13rd, news Chinese percussion instrument master cock, the 14th, solid videocorder switch, the 15th, voice mail switch, 16 light switches.

The specific embodiment

Below in conjunction with drawings and Examples the utility model and advantage are described further.

Present embodiment is example and design-calculated baggage elevator lifting control device to build seven layers of residential houses.

Contrast Fig. 1 is made up of with vehicle controller 6 rising button SB1, decline button SB2, prefabricated switch S, travel switch SQ, news Chinese percussion instrument 12 and solid videocorder 11.9 travel switch SQ0～SQ8 wherein are installed on the position of the corresponding architecture storey of derrick, and other is installed in suspender exit end one side, conveniently carries out prefabricated setting.Other electric elements are arranged in the master control cabinet, and the master control cabinet places ground derrick one side, and for safety, the power supply that the master control cabinet exports to vehicle controller is 36V.When preventing that suspender from rising " roof fall " draw and turn over derrick, only be provided with travel switch SQ9 and travel switch SQ10 only down, see also Fig. 2.Prefabricated switch S is the two-way cock that indicates " NO " and " OFF "; it is made up of two groups of open contact S0～S8 and S0 '～S8 '; S0 is the open contact switch that stop on prefabricated ground; S8 is the open contact switch that prefabricated attic is stopped; other is analogized in proper order; one end of one group of 9 open contact of S0～S8 connects output primary 2 ends of voltage transformer TM; this terminal potential is 36V; the other end connects prefabricated control intermediate relay KA2; by relay normally open contact control AC contactor KM1; the pull-in winding lower end of KM2; when one group of open contact of S0～S8 is not closed; electrical motor does not start; another group open contact S0 '～corresponding open contact SQ0～SQ8 of S8 ' connection travel switch SQ; control relay KA1, the normally closed contact KA1-1 of prefabricated control intermediate relay KA1, KA1-2 connects liter respectively; AC contactor KM1 falls; the upper end of KM2 pull-in winding; disconnect this two open contacts, motor will be shut down.The KA1-4 open contact meets illuminating lamp EL, and the KA1-5 open contact is connected news Chinese percussion instrument 12, and the KA1-3 open contact connects solid recorder 13, can select for use last 2 to state sound, light and recording arbitrarily by the combination of hand switch 14,15.

Do not have to rise or under will operate the time, all not the working of all contactless switch KM1, KM2, intermediate relay, the motor of winch is in non-powered state, brake shoe 8 is embraced brake wheel 9, suspender remains static.

When wanting suspender to rise, as rising to 3,5,8 layers, press earlier and be positioned at S3 on the ground-surface prefabricated switch S, S5, the ON key of S8, the open contact closure, connect prefabricated control intermediate relay KA2, the KA2-1 open contact will rise, AC contactor KM1 falls, termination is held with L1 under the KM2 coil, again by rising button SB1, repeater KA3, get electric work, KA3-1 open contact closure, the L3 end is connected with contactless switch KM1 upper end through KA3-1, the coil adhesive of KM1, power circuit is connected motor, and motor just changes, and suspender rises, when collision block on the suspender is met the travel switch SQ3 in the 3rd buildings, the open contact closure, prefabricated control intermediate relay KA1 gets electric work, and the KA1-1 normally closed contact disconnects, cut off the power supply of AC contactor KM1, suspender rests in the 3rd buildings exactly, after goods is unsnatched in the 3rd buildings, presses the OFF key of the prefabricated switch in the 3rd buildings, the travel switch SQ3 in the 3rd buildings withdraws from, by rising button SB1, suspender is raised to the 5th buildings, after goods is unsnatched in the 5th buildings again, press earlier the OFF key of S5, press the SB1 key again, suspender rises to the 8th buildings again, unsnatch goods after, press the OFF key of S8, withdraw from prefabricated.

When wanting suspender to descend, as can be to ground from the 8th buildings, press the ON key of prefabricated S0 earlier, repeater KA2 gets electric adhesive, KA2-1 open contact closure, with AC contactor KM1, the lower end of KM2 pull-in winding is connected to the L1 end, again by decline button SB2 key, KA4 gets electric adhesive with the car control relay, KA4-1 open contact closure, and the L2 end is connected to the upper end of AC contactor KM2 pull-in winding through the KA1-2 normally closed contact, electrical motor M obtains a reverse voltage and reverses, suspender descends, during travel switch SQ0 when the suspender collision block is run into ground, and the open contact closure, prefabricated control intermediate relay KA1 gets electric work, the KA1-2 open contact disconnects, and cuts off the power supply of KM2, and suspender is stopped ground.

For the lifting setting of this suspender in the lifting process, the utility model also can be controlled easily.As, certain layer needs to stop, and can press the pairing S key of the N that counts the number of words of own floor before the suspender collision block is not run into travel switch, just can stop, unhappy because of rising or falling speed, can operate calmly.It in narration, no longer repeats above principle.

The utility model is a safety and reliability, has button circuit by force: the control circuit that is band reversible starting of crawl and button interlocking.Form by SB3, SB4, KA5, KA6, be the button interlocking circuit, during rising, press SB4, repeater KA5 adhesive, KA5-1 open contact closure, termination L3 on the AC contactor Km1 pull-in winding, KA5-3 open contact closure, the AC contactor pull-in winding meets L1, the Km1 AC contactor gets electric adhesive, and electrical motor gets and electricly just changes, and elevator rises; During decline, press SB3, repeater KA6 adhesive, KA6-1 open contact closure, termination L2 on the AC contactor KM2 pull-in winding, KA6-3 open contact closure, termination L1 under the AC contactor KM2 pull-in winding, the KM2 AC contactor gets electric adhesive, and electrical motor gets electric counter-rotating, elevator descends, and travel switch is inoperative in the process of this rising or decline.

To sum up, the utility model passes through earlier prefabricated (but multilayer is prefabricated) with vehicle controller, again the prefabricated newer floor that will arrive behind the floor that arrival requires, as not prefabricated, starter motor is invalid, Here it is controls prefabricated floor access power circuit, not prefabricated floor does not participate in control, this and present office building, the used elevator functions basically identical of office building, and circuit of the present utility model is much simple, has overcome in the prior art switch ring ring set, and the high more circuit of floor is complicated more, the defective that the connecting cable line is many more.

Electrical equipment in the present embodiment and element adopt following model: control transformer TM is BK150; Force to rise and force decline AC contactor KM1 and KM2 CJ0-20 380V; Prefabricated control intermediate relay KA1 J27-62; Prefabricated control intermediate relay KA2, rise and decline control relay KA3 and KA4, rising and decline control relay KA5 and KA6 all use J27-44 with car; Travel switch LX19-11 type, winch JK1-5.

Claims

1, simple construction construction baggage elevator apparatus for controlling of lifting, it is characterized in that comprising control transformer TM, rising AC contactor KM1, decline AC contactor KM2, control intermediate relay KA5 rises, control intermediate relay KA6 descends, with car rising control relay KA3, with car decline control relay KA4, two prefabricated control intermediate relay KA1, KA2, prefabricated switch S, travel switch SQ, rising button SB1, decline button SB2, rise and force button SB3 and descend to force button SB4

Described pressure rising AC contactor KM1 and pressure decline AC contactor KM2 reciprocal interlocking, its upper end connects combined switch (5) is connected three phase mains with combined switch (4) back L2 end and L3 end respectively, and its lower end connects the L1 end that combined switch (3) back connects three phase mains altogether;

2, according to the described simple construction construction of claim 1 baggage elevator apparatus for controlling of lifting, it is characterized in that described combined switch (5) is by forcing rising AC contactor KM1, force decline AC contactor KM2, with car rising control relay KA3, the prefabricated control intermediate relay KA1 and the control intermediate relay KA5 that rises often open, normally closed contact is formed, force the auxiliary open contact KM1-1 of rising AC contactor KM1 and with the open contact KA3-1 of car rising control relay KA3 and connect the back serial connection and force the auxiliary normally closed contact KM2-2 of rising AC contactor KM2 and the normally closed contact KA1-1 of prefabricated control intermediate relay KA1, the open contact KA5-1 of the control intermediate relay KA5 that rises is connected through also above-mentioned, switch ends after the serial connection.

3, according to the described simple construction construction of claim 1 baggage elevator apparatus for controlling of lifting, it is characterized in that described combined switch (4) is by forcing rising AC contactor KM1, force decline AC contactor KM2 and with car decline control relay KA4, the prefabricated control intermediate relay KA1 and the control intermediate relay KA6 that descends often open, normally closed contact is formed, force the auxiliary open contact KM2-2 of decline AC contactor KM2 and with the open contact KA4-1 of car decline control relay KA4 and connect the back serial connection and force the auxiliary normally closed contact KM1-2 of rising AC contactor KM1 and the normally closed contact KA1-2 of prefabricated control intermediate relay KA1, the open contact KA6-1 of the control intermediate relay KA6 that descends is connected through also above-mentioned, switch ends after the serial connection.

4,, it is characterized in that described combined switch (3) is by the open contact of prefabricated control intermediate relay KA2, rising control relay KA5, decline control relay KA6 and connect and form according to the described simple construction of claim 1 construction baggage elevator apparatus for controlling of lifting.

5, according to the described simple construction construction of claim 1 baggage elevator apparatus for controlling of lifting, it is characterized in that described prefabricated switch S is made up of two groups of open contacts, two groups of open contact one ends connect 2 ends of transformer secondary output coil B, and its other end connects prefabricated control intermediate relay KA2 and travel switch SQ respectively.

6,, it is characterized in that described voltage transformer TM output primary also can draw 1 end, between the 0-1 end and meet news Chinese percussion instrument D or solid videocorder E or both simultaneously and connect according to the described simple construction of claim 1 construction baggage elevator apparatus for controlling of lifting.