CN2119461U - Rise and fall light-projection lamp tower driven by hand or electric power - Google Patents

Abstract

The utility model relates to a rise and fall light-projection lamp tower driven by hands or electricity, which is suitable for the lighting of places such as railway stations, ports, wharfs, various goods fields, etc. with a large area outdoors. The utility model is composed of a tower body, a lifting mechanism, a lamp frame, and an electric device. The utility model is characterized in that the lifting mechanism is composed of a pulley box on the top of the rise and fall light-projection lamp tower driven by hands or electricity and a hoister driven by the hands or electricity (comprising a swing handle driven by the hands) on the lower part of the rise and fall light-projection lamp tower driven by hands or power supply; the lamp frame has a fixed type and an arm folded type; an automatic hook uses a movable hook and a fixing hook to finish inclined spacing through a restoring lever; the automatic hook is restored automatically; lighting power supply and the lifting mechanism are operated respectively; whole wiring adopts three-phase four-wire system, which satisfies the requests of field use.

Description

Rise and fall light-projection lamp tower driven by hand or electric power

The utility model is a kind of manual and electric dual-purpose ascending/decending projection lighthouse.Be applicable to large tracts of land outdoor lightings such as rail yard, harbour, harbour, various goods yards.

Past, railway interests was all more backward with the beacon of each big goods yard use, and it is more to have problems, as maintenance difficult, and the cost height, dangerous to personnel's handling safety.Chinese patent CN88214739.0 discloses a kind of ascending/decending projection lighthouse recently, it has realized switching on or off automatically of light projector crane and body of the tower, the non-transformer of body of the tower own is introduced, and can open and close the control device of projector automatically by the power of available light, but find that through using this kind ascending/decending projection lighthouse only is manual operation, it is not steady to exist lifting, automatically the hook action that switches on or off is ineffective, and between the station track or narrow area invade railway clearance when installing, distribution is single-phase system, does not satisfy the three-phase four-wire power supply situation of field, most of station.

Therefore, the purpose of this utility model will provide a kind of improved ascending/decending projection lighthouse exactly, and it has the manual and electric dual-purpose operation, can at the uniform velocity rise or descend when particularly electronic, solved not plateau problem of lifting, improved the shape of hook, realized that automatic safe switches on or off, changing single-phase system distribution is the three-phase system distribution, be applicable to center, the station track installation of narrow place and station, irradiated area is big, is convenient to operating maintenance, be easy to produce, cost is low, has bigger promotional value.

The purpose of this utility model is achieved in that described manual and electric dual-purpose ascending/decending projection lighthouse, form by body of the tower, elevating mechanism, lamp bracket and electric installation that angle steel is formed, body of the tower is made up of the uniform section truss of angle steel, and lower end and concrete foundation couple together; Elevating mechanism is made up of (comprising hand crank) the pulley casing of cat head, the manual and electric lift winch of bottom, and lamp bracket has and fixedly is connected freely with crane with folding-jib, and light fixture can be mounted to emanant or two-way three-dimensional irradiation; Manually, electric up-down is by the complete clutch of clutch yoke, rapid operation is light and handy.Automatic coupling is made up of the moving hook of deciding hook and being installed on the crane that is installed on the body of the tower top, moving hook is finished sloped position by restoring lever, and self-return guarantees the crane lifting freely, and power contact head is housed, crane positioning and locking time spent power connection in the fixed moving hook.Moving hook sloped position dump.Mains lighting supply and elevating mechanism power supply are operated respectively, and elevating mechanism establishes the console switch lead-out wire, and personnel can guarantee operator's safety apart from operation beyond 5 meters in the beacon.The small distribution case is installed in the body of the tower bottom, in establish overload, short circuit, one-phase ground protection, low pressure is repaid the auto-power-off device before capacitor and the lifting outward, this beacon all adopts the galvanizing preservative treatment, and uses a part of stainless steel accessory.Whole distribution wire adopts three-phase four-wire system, satisfies on-the-spot instructions for use.

Effect of the present utility model increases electric up-down, saves manpower, handling safety, lifting steadily, freely, hook coincide accurately, transformations two-phase three-wire system is a three-phase four-wire system, makes electric wiring more reasonable, the switchgear house not bias current of powering, maintenance three-phase equilibrium.Novel pulley combination elevating mechanism makes the lifting of wire rope straight line, laborsaving, motor Miniaturizable, and changing the derrick type pulley casing is the fixed pulley casing of cat head, makes beacon rise nearly 0.5 meter, overcomes former projection lighthouse height shortcoming not in place.

Provide specific embodiment of the utility model by accompanying drawing below.

Fig. 1 is the overall diagram of the utility model manual and electric ascending/decending projection lighthouse.

Fig. 2 is folding-jib lamp bracket of the present utility model and body of the tower assembly drawing.

Fig. 3 is a manual and electric elevating mechanism plan view of the present utility model.

Fig. 4 is a positioning hanger assembly drawing of the present utility model.

Fig. 5 is a bipolar positioning hanger sectional drawing of the present utility model.

Referring to accompanying drawing, 1 is the basis of beacon, and 2 is protective door, and 3 is switchbox, 4 is body of the tower, and 5 is the folding-jib lamp bracket, and 6 is projector, 7 is pulley casing, and 8 is lightning rod, and 9 is wire rope, 10 is balanced weight, and 11 is the electric winch structure, and 12 is crane, 13 is lamp bottom plate, and 14 is ballast, and 15 is threephase motor, 16 is shaft joint, and 17 is worm gear reducer, and 18 is clutch (initiatively partly), 19 is clutch (passive half), and 20 is drum, and 21 is axle, 22 is bracing frame, and 23 is the handle crank, and 24 is the drum support, 25 is clutch shifter, and 26 are the magnetic force brake, and 27 are moving hook counterweight and hook, 28 are moving hook base, and 29 is shift fork, and 30 are fixed hook, 31 is power lead, and 32 are moving hook electrode, and 33 for linking up with electrode surely, 34 is buffer spring, and 35 is insulating slab, and 36 for linking up with electrode surely.Adopt double-deck angle of embrace wheel between lamp bracket 5 and the body of the tower 4, to improve the stationarity of lamp bracket 5 liftings.This tower adopts two-phase location hook branch phase line and zero line (spring is arranged) make contact, and its other two location hooks are single contact, and structural form is a fixed contact.Below the concise and to the point operation sequence of describing the beacon lifting: during lifting, when hand crank 23 or control operation motor switch rise to down the absolute altitude of location hook (fixed hook) 4 with crane 12 together with lamp bracket 5 by widely different commentaries on classics wire rope, because moving hook 27 off normal rest conditions, crane 12 continues to rise, when surpassing when linking up with 4 surely, moving hook 27 automatically resets to level, electric and hand rises and stops, begin to descend, moving, link up with surely 27,31 coincide, locking electrode simultaneously coincide, power connection, and rising work is finished.During decline, at first make crane 12 rise to predetermined altitude upper limit plate, make hook 1 because shift fork 29 inserts 90 grooves of coupler body, then moving hook 1 keeps heeling condition, and at this moment rising stops, and crane 12 begins to descend, and power supply also disconnects, and then decline work is finished.Clutch shifter 25 can be moved during hand-operated lifting and make clutch passive half 19 leave initiatively half 18, then shake handle 23 and get final product hand-operated lifting.During electric up-down, clutch shifter 25 can be moved in the opposite direction, clutch passive half 19 and initiatively half 18 be coincide, and take off handle 23, start motor and get final product electric up-down.

Claims (2)

1, manual and electric dual-purpose ascending/decending projection lighthouse, it comprises the body of the tower of being made up of the uniform section truss of angle steel, elevating mechanism, lamp bracket and electric installation are formed, it is characterized in that: elevating mechanism is by the pulley casing of cat head, the manual and electric lift winch (comprising hand crank) of bottom is formed, lamp bracket is fixed and folding-jib, manually, electronicly realize by clutch shifter, automatic coupling is made up of the moving hook of deciding hook and being installed on the crane that is installed on the body of the tower top, moving hook is finished sloped position by restoring lever, automatically reset, mains lighting supply and elevating mechanism power supply are operated respectively, and last descending mechanism is provided with console switch, whole distribution wire adopts three-phase four-wire system, takes turns by double-deck angle of embrace between folding-jib lamp bracket and the body of the tower to be connected.

2, manual and electric dual-purpose ascending/decending projection lighthouse according to claim 1 is characterized in that: the manual and electric lift winch is made up of threephase motor, shaft joint, worm gear reducer, clutch, drum, axle, bracing frame, handle crank, drum support, clutch shifter and magnetic force brake.

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