CN2314022Y - Apparatus for ascending/decending high lamppost light - Google Patents

Abstract

The utility model relates to an ascending/descending apparatus for ascending/descending a high lamppost light. The utility model is composed of a steel cable hoisting device, and a hydraulic power and control device, wherein, a reel of the hoisting device is an enclosed structure, a sheet type brake and a planetary speed reducer are arranged in space inside one end of the reel, and the reel can be driven to rotate by a hydraulic motor, so that a steel cable on the reel can drive a light board for a high lamppost light to ascend/descend. The hydraulic power and control device is composed of a motor, a pump, an overflow valve, a directional control valve, a balance valve, and a brake of a spring loaded hydraulic releasing type. The utility model has the advantages of smooth transmission, good low-speed performance, accurate positioning, and small impact force for starting braking; the utility model has an overload protection function.

Description

The lifting gear of ascending/decending High-Pole Lamp

The utility model relates to a kind of corollary apparatus of High-Pole Lamp, exactly, relates to a kind of lamp panel lifting gear of ascending/decending High-Pole Lamp.

High-Pole Lamp is that a kind of light fixture (comprising light source and lighting accessory) is installed in a kind of device on the lamp stand of height more than 18 meters, it is mainly used in the illumination in outdoor all kinds of large tracts of land place, for example: the illumination of square, harbour, airport, industrial and mining enterprises, stadiums, overpass bridge and road etc. is referred to as high mast lighting usually.Along with the development of economic construction and culture life, abundant, the place that high mast lighting is used more and more widely.Present High-Pole Lamp mainly contains two kinds of fixed and lamp panel ascending/decendings, wherein during the installation and maintenance of ascending/decending High-Pole Lamp, need with two or two above wire rope suspensioning lamp panels, by motor or manual driven, lamp panel is promoted to the masthead location, or drop to apart from 1-2 rice, ground, the staff does not need work high above the ground, can directly safeguard installation work on ground, compare with fixed High-Pole Lamp, its great advantage is need not purchase special-purpose overhead vehicle when safeguarding, can save expensive car purchase fee and daily vehicle maintenance expense.This lifting gear, requiring must be easy to operate, and running steadily rises, the braking impact force is little, accurate positioning, and have the overload safety protection function.

At present, the lifting gear of ascending/decending High-Pole Lamp both domestic and external all is (referring to the Fig. 1) that adopts the electric mechanical device realization that is made of motor 1, worm gear pairs reducer 2, safety coupling 3, cable drum 4, hoisting rope 5 and electric control box 6.This device generally is installed in the space of lamp stand bottom, in order to guarantee accurate positioning, all will be provided with the electromagnetic brake (not shown) usually, by the rotating of motor 1, makes the wire rope lifting and realizes the lifting of lamp panel.There are many defectives in this lifting gear, and for example speed reducing ratio is fixed, and rising or falling speed can not be adjusted, and playing braking all has impact force, and positioning accuracy is low, the electric control structure complexity, and the torque adjustment of shaft coupling is very inconvenient or the like.

The purpose of this utility model provides a kind of simple in structure, easy to use, the lifting gear one hydraulically powered lifting gear of the ascending/decending High-Pole Lamp of reliable operation.

The utility model is achieved in that and includes: the wire rope elevator device and the drive unit thereof that are made of reel, wire rope, reducing gear and arrestment mechanism, wherein winding plant is enclosed construction, and friction disk type brake and planetary reduction gear that spring-loaded hydraulic pressure discharges are installed in this reel one end inner space; It is characterized in that: the flange plate type hydraulic motor is installed on the power shaft of above-mentioned winding plant, and this hydraulic motor then is connected with hydraulic power and the control device that motor, hydraulic pump, overflow valve, reversing control valve, equalizing valve, spring-loaded hydraulic pressure released brakes constitute.

Wherein reversing control valve can be the 3-position 4-way reversing control valve.

Wherein reversing control valve can be three six logical reversing control valves.

Wherein reversing control valve can be an electromagnetic valve, also can hand-operated valve.

This device can be installed in the space of lamp stand bottom, also can be installed on the wheel driving force car.

Main feature of the present utility model is at first to start at home to use hydraulic power and control device to make the hydraulic motor rotation, drives the reel rotation of wire rope elevator device again, thereby drives the lamp panel lifting of High-Pole Lamp.During shutdown, the utility model is supported weight jointly by hydraulic motor, equalizing valve and brake, and is safe and reliable.This device has hydraulicdriven plurality of advantages: stable drive; noise is little; rising or falling speed and rope traction power can steplessly be adjusted; the low cruise performance is good; it is little to play, brake impact force, by regulating overflow valve pressure, can adjust the tractive force of wire rope easily; realize overload protection, work safety.Winding plant is hermetically-sealed construction, in lubrication oil is housed, transmission is light, efficient is high, corrosion-resistant.The utility model can be set directly at lamp stand inside, also can be arranged on the special-purpose wheel driving force car, and is shared for a plurality of different High-Pole Lamp lifting lamp panels institute.

Fig. 1 is the lifting device structure figure of the bottom of the ascending/decending High-Pole Lamp present use of installing.

Fig. 2 is that the utility model is installed in the ascending/decending High-Pole Lamp structural representation in when bottom.

Fig. 3 is the structure chart of wire rope elevator device of the present utility model.

Fig. 4 is the hydraulic schematic diagram of an embodiment of hydraulic power of the present utility model and control device.

Fig. 5 is the hydraulic schematic diagram of another embodiment of hydraulic power of the present utility model and control device.

Fig. 6 is the hydraulic schematic diagram of another embodiment of hydraulic power of the present utility model and control device.

Referring to Fig. 2, Fig. 3, the utility model mainly is made up of wire rope elevator device A and hydraulic power and control device B two parts, wherein wire rope elevator device A is enclosed construction, hydraulic pressure release, spring-loaded friction disk type brake 12 and compound epicyclic reduction gear 13,14 are installed in the input rotating shaft 11 in the space of these reel 10 1 end inboards, the sun gear of planetary reduction gear level 14 wherein is installed on the planet carrier 131 of the planetary gear of planetary reduction gear level 13, through this double reduction, can obtain large speed ratio and slow down.The ring gear of planetary reduction gear level 13,14 and the casing of this gearbox 15 form one, and casing 15 is used Bolt Connection with reel 10.After the input rotating shaft 11 of the output shaft of flange plate type hydraulic motor 16 and above-mentioned reel 10 links, just can drive this reel 10 and under the supporting of the planet carrier 19 of bearing 17 and retarding stage 14, rotate, thereby make the lifting of twining the wire rope lifting on it and driving lamp panel.18 is casings of winding plant among the figure, the 19th, and the oil-in of winding plant brake 12 and drain tap (both stagger each other 150 degree).

The hydraulic power and the control device of the hydraulic motor of wire rope elevator device of the present utility model, be by motor 20, hydraulic pump 21, overflow valve 22, reversing control valve 23, equalizing valve 26, spring-loaded hydraulic pressure released brakes 25 hydraulic components such as grade constitute, this hydraulic power and control device can be by the multiple multi-form embodiment that forms (referring to Fig. 4, Fig. 5, the hydraulic schematic diagram of three embodiment shown in Figure 6), now earlier introduce its operating principle with embodiment shown in Figure 4: this embodiment adopts three six-way transfer valves 23, when this reversal valve 23 is in meta, the pressure oil of hydraulic pump 21 logical oil circuit in reversal valve 23 directly flows to fuel tank, the hydraulic pump off-load; The pressure oil of brake 25 is connected with oil return through shuttle valve 24, and reel 10 is by the spring-loaded of brake, and hydraulic motor 16 and equalizing valve 26 pinnings, and the cylinder 10 in the winding plant is maintained static.

When manual control reversal valve 23 was in the I position, pressure oil entered hydraulic motor 16 through reversal valve 23, equalizing valve 26, and pressure oil is opened brake 25 through shuttle valve 24 simultaneously, and hydraulic motor is rotated, and the reel rotation drives lamp panel and rises; When manual control reversal valve 23 was in the II position again, pressure oil entered hydraulic motor through reversal valve 23, and opened equalizing valve 26, and pressure oil is opened brake 25 through shuttle valve 24 simultaneously, makes reel 10 backward rotation, and lamp panel descends.The utility model can be adjusted the tractive force of wire rope in the working site by the pressure of adjusting overflow valve 22, realize overload protection; Can also make winding plant fine motion location by handling the spool displacement of reversal valve 23.So the utility model low-speed performance is good, accurate positioning, and also the impact force that rises, brakes of its winding plant is very little, stability of rotation, and noise is little, can overload protection.

The hydraulic system principle figure of another embodiment shown in Figure 5 also is to adopt three six logical reversing control valves, and the difference of itself and Fig. 4 is to have omitted shuttle valve 24, and pressure oil is directly sent into brake 25 by the road.The characteristics of this embodiment are as long as handle reversal valve 23, the pressure oil input brake is just arranged, brake is opened, the reel of winding plant can rotate, and in case handle 23 times metas of reversal valve, pressure oil just stops to supply with brake, and just by brake 25 spring-loaded, brake wire reel 10 rotates.The characteristics of this embodiment are that structure is more succinct.

Reversing control valve 23 among Fig. 4, Fig. 5 is a hand-operated valve, also can adopt electromagnetic valve.Another embodiment shown in Figure 6 then adopts three position four-way electromagnetic valve 23 ' as reversing control valve, and its operating principle is same as described above, no longer goes to live in the household of one's in-laws on getting married; The same also available hand-operated valve of this three position four-way electromagnetic valve 23 ' replaces it the neither change of its functional effect.

Claims (5)

1, a kind of lifting gear of ascending/decending High-Pole Lamp, include: the wire rope elevator device and the drive unit thereof that constitute by reel, wire rope, reducing gear and arrestment mechanism, wherein winding plant is enclosed construction, and friction disk type brake and planetary reduction gear that spring-loaded hydraulic pressure discharges are installed in the inner space of this reel one end; It is characterized in that: the flange plate type hydraulic motor is installed on the power shaft of above-mentioned winding plant, and this hydraulic motor then is connected with hydraulic power and the control device that motor, hydraulic pump, overflow valve, reversing control valve, equalizing valve, spring-loaded hydraulic pressure released brakes constitute.

2, the lifting gear of ascending/decending High-Pole Lamp as claimed in claim 1 is characterized in that: wherein reversing control valve can be the 3-position 4-way reversing control valve.

3, the lifting gear of ascending/decending High-Pole Lamp as claimed in claim 1 is characterized in that: wherein reversing control valve can be three six logical reversing control valves.

4, as the lifting gear of claim 2 or 3 described ascending/decending High-Pole Lamps, it is characterized in that: wherein reversing control valve can be an electromagnetic valve, also can hand-operated valve.

5, the lifting gear of ascending/decending High-Pole Lamp as claimed in claim 1 is characterized in that: this device can be installed in the space of lamp stand bottom, also can be installed on the wheel driving force car.

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