Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of for single rope sheave list rope sheave Portable lifting machine, comprises rope sheave, rope, U-shaped ring, rope distributor, pinch device, protection steel band, cabinet, wallboard; Described wallboard is located on the shell of cabinet, is provided with retarder, brake, motor, sensor, coder, electric power system, control electric system in cabinet; Rope sheave outside cabinet and the retarder in cabinet, brake, motor are in transmission connection for axial; It is characterized in that: described rope sheave is the single rope sheave be fixed on wallboard; This rope sheave is Split type structure, and two cones relative by the upper and lower conical surface are assembled, and centre is provided with adjustable shim, and the conical surface of described two cones is distributed with rib, and the upper conical surface is relative with the rib of the lower conical surface and be staggered; The top of described rope sheave, the wallboard of casing is fixedly plugged with a U-shaped ring; On wallboard, be positioned at the below of U-shaped ring, be provided with rope distributor, rope sheave pinch device and protection steel band; One end of described rope is connected to an attachment point, and this rope is wound on described rope sheave, and after over protection steel band and pinch device compress, by rope distributor, through U-shaped ring, the other end overhangs in the air.
Described rope sheave to be fixed by two parts by rope sheave end face circumferential 3-8 bolts and is connected with the transmission shaft of the reductor in described cabinet simultaneously.
The utility model provides a kind of rope sheave of uniqueness, and the feature of this rope sheave is that structure friction force that is simple and rope is large, rope is not easily deviate from, little etc. to rope damage.
The described wallboard top setting supersonic sensing device of above-mentioned single rope sheave Portable lifting machine; Wallboard bottom is provided with load device and pulling force sensor.
The rib of above-mentioned single rope sheave Portable lifting machine is isosceles trapezoid, and fluted between rib, seamed edge has radian, and relative to the rope sheave external diameter of 60-150mm, rib height is 2mm-5mm; Rope sheave external diameter is about 60-150:2-5 with the ratio of rib height.Along with rope sheave change in size, rib height can do with corresponding variation under this proportional range.
Rope sheave of the present utility model is designed to cushioning mounting structure in the middle of double cone body, each conical surface is provided with isosceles trapezoid rib, fluted between rib, on the upper lower cone conical surface, rib ensures when assembling to be staggered, and two parts to be fixed by the 3-8 bolts of circle distribution and are connected with the transmission shaft of the reductor in described cabinet simultaneously by two centrums.To ensure to transmit enough moment.Angle between two centrum assembling rear cones is 10 °-35 °, preferably 20 °-28 °.Above-mentioned rope sheave is Split type structure, by upper lower cone, and intermediate washer and tie bolt composition, adapt to the different rope of thickness by changing spacer thickness, rope diameter range is 9-13mm, and this design makes rope sheave compact conformation, intensity high; Upper and lower two cone conical surfaces assemble relatively, rib on the upper cone conical surface on lower cone face cone face without rib place (groove), on the upper cone conical surface without rib place (groove) to the rib on lower cone face cone face, under such circumstances, rope is in wave twisted state between the rope sheave conical surface, and friction coefficient strengthens, when same pressure, friction force increases, and does not damage rope again.This structure is fine must make use of rope flexibility characteristics and rope sheave rigidity characteris, and through experiment test repeatedly, rib height is between 2mm-5mm, and effect is best, neither damages rope, and friction force is maximum.The load of 250kg at least can be pulled with diameter 11mm rope.
For increasing the area of contact of rope and rope sheave as far as possible, the motion that rope sheave band running rope is stable, rope is not easily deviate from from rope sheave inside, the objects such as rope stretching of entering to restrict is smooth and easy, the design of this rope sheave needs some other auxiliary member composition rope wheel component, see Fig. 4, rope sheave is connected with driving arrangements such as motors by axle, rope stretching of entering to restrict is against U-shaped ring, the affixed insertion wallboard of U-shaped ring, the left and right of U-shaped ring increases the cornerite of rope to rope sheave, and change the direction of pull of rope, for avoiding not interfereing with each other mutually into rope with rope stretching, below U-shaped ring, rope distributor is housed, enter rope and rope stretching respectively walk each passage, do not interfere with each other mutually, the effect of briquetting A and briquetting B is unlikely to when being and ensureing rope motion to enter rope sheave other spaces outside, like this friction force disappearance of rope and rope sheave, the effect of rope compactor is pressed on rope sheave by rope, increases the cornerite of rope to rope sheave.Such design can make rope can enter rope sheave easily in random length, specifically: manually mobile rope compactor is away from rope sheave, rope is beaten around the U-shaped ring of rear reeve, then be enclosed within rope sheave after being pulled outwardly running rope, rope compactor is shifted to the position in rope sheave direction after rope stretching and the two ends tension rope that enters to restrict.
The described motor of described single rope sheave Portable lifting machine is provided with demoder, tachogenerator, temperature sensor, and is provided with hand switch; The rotating speed of described motor is 0-6000r/min, infinite speed variation.
In order to adapt to different condition of loading, motor detects drive current, and for ensureing that set rotating speed constantly adjusts electric current, the load closed loop control of such control realization.The rotating speed of motor is electrodeless adjustable from 0-6000r/min, and one section, motor is equipped with coder, the rotating speed of the real time measure motor, and adjusts motor speed by controller, realizes the closed loop control in rotating speed;
The effect of brake be prevent from running out of steam at motor, rope sheave freely rotates weight and drops under gravity under the state such as stopping, elevator and weight get out of hand.When drawing weight to rise when by rotation, still moment of torsion does not acquire a certain degree motor, brake dead electricity, by spring by quiet dish and Moving plate force together, realize band-type brake, when Motor torque etc. to a certain extent after, brake electric, spring compresses by electromagnetic force, declutch, motor starts transmission of power to reductor and rope sheave.When stopping, when motor speed drops to and is to a certain degree about to stop, brake dead electricity band-type brake.Such mode is exactly motor once be about to stop brake dead electricity band-type brake.The anti-rope sheave that drives of proof load rotates.
Brake structure is shown in Fig. 5, and single rope sheave Portable lifting machine described in the utility model, the reduction ratio of retarder is 30-40:1.Power of motor 0.8-1.2kw, reductor reduction ratio is 30-40:1, and when rope sheave can provide maximum friction, effective radius is at 25-35mm, and when such design parameters, the maximum pulling capacity of gig is not less than 250kg.Brake there is a hand driving lever, when motor cannot provide power, manually pull hand driving lever, compression brake contained spring, the inner moving plate that brakes starts to be separated with still, and friction force declines, under the effect of load gravity, weight declines, and descending speed is relevant with the power of stirring hand driving lever.Such design can prevent and treat people and weight due to the situation of breakdown of machinery or dead battery and be trapped in the air.
In single rope sheave Portable lifting machine described in the utility model, described electric power system is battery; Described battery adopts high-performance lithium iron cell, and capacity of cell is greater than 16AH, and normal voltage is 37V, and standard discharge current is 40A, and maximum discharge current is 80A in short-term, and charging current is 8A.Battery is furnished with battery control protection electric circuit, guarantee battery discharging, charging time the safe and reliable life-span long, there is electric discharge and reliably to charge the feature such as quick; Battery control protection electric circuit is connected with master control system, and master control is monitoring battery mode of operation at any time, guarantees that equipment is reliable.Master control system and battery control, when load moves downward, to charge to battery pack, and the energy that gravity produces is become electric energy, and the continuation of the journey energy not only increasing battery also saves the energy.
The utility model provide a kind of adopt single rope sheave can along rope rise and fall Portable lifting machine inside be provided with remote-receiver, there is remote-controlled launcher standard configuration outside, paired coupling, it is upper and lower with height two kinds of speed that operating personal can control this equipment at ground controlling remote controller, this remote control equipment (RCE) adopts 2489GHZ frequency, remote control distance is greater than 100m, remote-controlled launcher degree of protection reaches IP65, can use under inclement weather conditions in the wild, simultaneously remote control transmitter is lightweight, volume is little, low in energy consumption, be convenient for carrying.
Single rope sheave Portable lifting machine described in the utility model, described control electric system also comprises operation and display panel.The utility model provides and a kind ofly adopts single rope sheave very can meet Human Engineering Principle along the operation of Portable hoister of rope rise and fall, in the position of operating personal most convenient, there is the panel of operation and display, following Fig. 6,4 LED display dump energies above left side, middle LCD screen shows this gig state and information, alarm message etc., has three touch key-press below, has the function such as switching on and shutting down, toggle screen; Operating handle simplicity of design for machine movement operation is practical, See Figure 7, operator's right hand holds handle, thumb stirs hand switch up and down just can operate gig motion, and when thumb is not afterburning, hand switch mediates, and at this time motor driven systems does not give electrical power, brake dead electricity, brake is in brake and holds state tightly, motor stalls under contained spring effect, can not rotate cause downslide because of weight Action of Gravity Field rope sheave; Thumb upwards stirs hand switch, and motor driven systems exports forward voltage, and brake electricly unclamp band-type brake, motor rotates clockwise, and weight is mentioned by rope sheave, and thumb stirs hand switch downwards, and motor rotates counterclockwise, and weight puts down by rope sheave; Thumb stirs the speed that the upper and lower dynamics of hand switch or the upper and lower angle of hand switch determine electric machine rotation, such design utilizes a finger just can control direction and the speed of the motion of this gig, do not need more operation, more meet the requirement of human engineering.
The utility model provide a kind of adopt single rope sheave can along rope rise and fall Portable hoister adopt micro controller system control, realize power driven, machine state is monitored, the Based Intelligent Control such as man-machine interface, this control system as shown in Figure 5, mainly comprise: mainboard, drive plate, display button plate, peripheral sensor etc., the function of mainboard mainly controls operating speed and the direction thereof of motor, accept the operating order of remote control and button, analyze the signal etc. of external sensor, the function of display button plate is: analyzed by mainboard and status information shows, the information of operating personal operation push-button is sent to mainboard, control convenience power lights, the radical function of drive plate carries out PWM according to the instruction of mainboard and the operational factor that set to motor to power, and realizes the control of Motor torque and speed, external sensor has pulling force sensor and ultrasonic transduter, and effect is whether the size of test machine load and service direction have obstacle, ensures the safe and reliable operation of equipment.Motor there are tachogenerator and temperature sensor, the effect of tachogenerator is the rotating speed of monitoring motor and information is beamed back mainboard, mainboard closed loop control to velocity interpolation, the effect of temperature sensor is the real time temperature of monitoring motor, and information is beamed back mainboard, mainboard determines whether start semiconductor refrigerating according to temperature, avoids motor overheating.
The utility model provide a kind of adopt single rope sheave can along rope rise and fall Portable lifting machine take multinomial safety and Protection: when this gig shuts down, motor driver returns the certain electric current of motor, the moment that this electric current produces offsets the moment that load weight produces due to gravity, to brake dead electricity simultaneously, under the effect of contained spring, Moving plate and quiet dish compress to produce and do enough friction force and also resist the rotation that motor produces due to load gravity, so just possesses double insurance, even if one lost efficacy and is also unlikely to produce danger; Equally, gig is in motion process, and the skidding of rope sheave and rope is also breakneck, adopts the realization of retrocession in design, sees accompanying drawing 4, be first rope sheave and U-shaped ring just completely can proof load can be upper and lower normally, rope sheave and rope non-slip; Secondly have individual rope pinch device on rope sheave upper left side, when starting dress rope, this rope pinch device leaves rope sheave, and after installing rope, rope pinch device compresses rope near rope sheave, and this pressure ensures to restrict and the pressure of rope sheave further, guarantee restrict and rope sheave non-slip; 3rd, there is adjustable steel band rope sheave outside, start dress rope in, steel band away from rope sheave, after installing rope, mechanism is had to drive steel band to compress rope sheave, make rope reliably contact rope sheave, and ensure rope sheave on the go, rope can not be deviate from from rope sheave inside, had this steel band, even if rope pinch device loses efficacy, rope and rope sheave combined also closely; This three-layer protection, completely eliminates the hidden danger of rope and rope sheave skidding.
Compared with prior art, the utility model has the advantages that:
1, the elevator of the single rope sheave of this employing, adopts single rope sheave project organization simple, reliable; Described rope sheave be Split type structure, the rope of different thicknesses can be adapted to by adjustment pad;
2, the elevator of the single rope sheave of this employing, use chargeable galvanic action power and control power supply, being convenient for carrying, use occasion is extensive, and environmental protection is pollution-free;
3, the elevator of the single rope sheave of this employing, there is intelligent control system, easy to operate, meet ergonomics, release the trick of operating personal, facilitate aloft work, there is the Presentation Functions such as speed, load, motor temperature, battery temperature, various alarm, dump energy prompting simultaneously, and there is distant control function;
Embodiment 1
Below in conjunction with accompanying drawing, the utility model is described in detail.
The utility model provides and a kind ofly adopts single rope sheave can see Fig. 1, Fig. 4 along the Portable lifting machine of rope 16 rise and fall, mainly comprises brushless direct-current disc type electric machine 9 (band coder), brake 7, reductor 6, rope sheave 1 and rope wheel component, LOAD CELLS be also the major part such as pulling force sensor 4, ultrasonic transduter 13, wallboard 2 and casing, motor driver, mainboard, display operating panel, remote controller.
Two cones of rope sheave 1 comprise after centrum 17 and lower cone 18 assemble, and the angle between the conical surface is that 20 ° of-28 ° of effects are best.Above-mentioned rope sheave 1 is Split type structure, and be made up of upper cone 17 and lower cone 19, middle pad 18 and tie bolt, adapt to the different rope of thickness 16 by the thickness changing pad 18, the diameter range of rope 16 is 9-13mm.The assembly of rope sheave 1 comprises: the structure such as rope 16, single rope sheave 1, U-shaped ring 24, rope compactor 27, locating piece A26, locating piece B28, rope distributor 25, protection steel band 29.
On rope sheave 1, rib 21 and rope 16 are combined closely, and under the cooperation of the assembly of rope sheave 1, friction force is enough large, ensures that rope sheave 1 is non-slip with rope 16.Operating personal operation hand switch or remote controller, single rope sheave 1 rotates, rope sheave 1 twist rope 16, realizes this gig and the weight carried or personnel along rope 16 up-and-down movements.Tachogen on motor is monitored motor speed also referred to as tachogenerator 10 and whether is met setting speed, and mainboard controls outgoing current and the frequency adjustment motor speed of motor driver, realizes closed loop control.
Rope wheel component ensures that rope 16 and rope sheave 1 closely cooperate, produce and do enough large friction force, and in rope sheave 1 motion process, rope 16 enters rope sheave 1 or exports smooth and easy without hindrance from rope sheave 1, the design of the seamed edge (comprising left seamed edge 20 and right seamed edge 22) of rope sheave 1 both ensure that the friction force of rope sheave 1 and rope 16, ensure that again rope 16 is not by serious damage, extends the service life of rope 16.
Ultrasonic transduter 13 and pulling force sensor 4 is also provided with at this gig, and ultrasonic transduter erecting frame 14 and pulling force sensor mounting blocks 3, the size of load on 5 is linked up with in the obstacle of ultrasonic transduter 13 and pulling force sensor 4 real time monitoring sense of motion and load, the normal operation of guarantee equipment, avoids the carelessness due to maloperation and operating personal to cause the damage of equipment or the injured of personnel.
This gig also has command and control system, and in the situation of load NOT operation personnel, operating personal also can the suitable weight up-and-down movement of control convenience band on ground, reaches the object of transport instrument, apparatus.
The utility model also comprises the device of brake 7, the effect of brake 7 be prevent from running out of steam at motor, rope sheave 1 freely rotates weight and drops under gravity under the state such as stopping, elevator and weight get out of hand.The structure of brake 7 is shown in Fig. 5, be brake exploded drawings, include fixed friction dish 30, mover brake facing 31, mover center gear 32, mounting screw 33, tab 34, holding screw 35, brake body 36, brake hand shift lever end 37, brake hand driving lever frame 38, axis of revolution 39.
The present embodiment is also provided with remote-receiver in this elevator inside, there is remote-controlled launcher standard configuration outside, paired coupling, it is upper and lower with height two kinds of speed that operating personal can control this equipment at ground controlling remote controller, and this remote control equipment (RCE) adopts 2489GHZ frequency, and remote control distance is greater than 100m, remote-controlled launcher degree of protection reaches IP65, can use under inclement weather conditions in the wild, remote control transmitter is lightweight, volume is little simultaneously, low in energy consumption, be convenient for carrying.
Described elevator adopts single rope sheave 1 can along the portable operation of rope 16 rise and fall, very meet Human Engineering Principle, the panel of operation and display is provided with in the position of operating personal most convenient, as Fig. 6, upper left side is battery capacity indication 40, is provided with 4 LED display dump energies, three buttons are touch-type press-keys 41 below, have the function such as switching on and shutting down, toggle screen, centre is LCDs 42, and LCD screen shows this gig state and information, alarm message etc.; Operating handle simplicity of design for machine movement operation is practical, see Fig. 7, comprise hand switch 43 and handle 44, operating personal can hold handle 44 by the right hand, thumb stirs hand switch 43 up and down just can operate gig motion, when thumb is not afterburning, hand switch 43 mediates, at this time motor driven systems does not give electrical power, to brake 7 dead electricity, brake 7 is in brake and holds state tightly under contained spring effect, motor stalls, can not rotate because of weight Action of Gravity Field rope sheave 1 and cause downslide; Thumb upwards stirs hand switch 43, and motor driven systems exports forward voltage, and brake 7 electricly must unclamp band-type brake, and motor rotates clockwise, and weight is mentioned by rope sheave, and thumb is stirred hand downwards and dialled 43 switches, and motor rotates counterclockwise, and weight puts down by rope sheave 1; The angle of dynamics or hand switch about 43 that thumb stirs hand switch about 43 determines the speed of electric machine rotation, such design utilizes a finger just can control direction and the speed of the motion of this gig, do not need more operation, more meet the requirement of human engineering.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.