CN102040141A - Rope-free lifting machine using lifting force as brake drive force - Google Patents
Rope-free lifting machine using lifting force as brake drive force Download PDFInfo
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- CN102040141A CN102040141A CN2009102068385A CN200910206838A CN102040141A CN 102040141 A CN102040141 A CN 102040141A CN 2009102068385 A CN2009102068385 A CN 2009102068385A CN 200910206838 A CN200910206838 A CN 200910206838A CN 102040141 A CN102040141 A CN 102040141A
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Abstract
The invention discloses a rope-free lifting machine using a lifting force as a brake drive force. The rope-free lifting machine comprises a supporting girder assembly, a cage, a linear electric motor drive device, a location guiding device, a brake device, a pair of safety tongs and a bumper. Concave strip grooves used as braking rails of the brake device and guiding rails of guiding location wheels are arranged on two side surfaces of the supporting girder assembly. A rotor of a linear electric motor is in split sliding connection with the cage and is connected with a brake push rod, the lifting force of the rotor of the linear electric motor is used as the brake releasing force of a boost type clamp brake, the down accelerated speed of the rope-free lifting machine can be automatically limited without using a special brake drive power supply, a brake driver and a controller, thus the structure of the brake is simplified. The rope-free lifting machine has the four defensive functions of the power-off protection of the brake, the safety speed-limiting of the brake, the power-off dynamicbraking of the linear electric motor and the overspeed brake of the safety tongs, and fundamentally ensures the safety and the reliability of the lifting machine.
Description
Technical field
The invention belongs to wireless lifting field, be specifically related to utilize the wireless gig of hoisting force as the drg propulsive effort.
Background technology
Gig or elevator are the important transportation links of mine and all kinds of buildings, in common elevator system, hoisting way is known, the structure that gig is used, be the top that the Machine Room is installed in gig, the rotating machine head roll, steel rope one end that is wrapped on the cylinder is connected in car, and the other end is connected in a counterweight.And super-high buildings many for personnel, that load is big and super dark mine, needing the traffic transport process ability of high level, gig to take a large amount of spaces and traffic capacity low then is serious problems.
In order to overcome the problems referred to above, do not require that the wireless gig of linear electric motors of steel rope and independent Machine Room can be used as a kind of method that improves the gig traffic capacity, proposed for a long time.This wireless gig mainly contains line inductance electromotor and two kinds of drive configuration types of linear synchronous generator, and wherein energy index height, the working gas gap of linear synchronous generator are wide, thrust is big, are acknowledged as the only drive source of linear electric motors gig.
The wireless gig of linear motor driving is owing to saved hoisting cable, and the car of wireless gig stops, braking can only be carried out in the mover cage side, with traditional steel rope friction winding mode the different of essence is arranged.Existing patent and existing document are mayed I ask topic about wireless elevation scheme, mainly adopt methods such as traditional hydraulic braking, electromagnetic type braking, and drg needs fuel feed pipe or special-purpose braking power.Have following problem: drg needs power source special or power on the one hand, on the other hand, needs special-purpose brake controller.In the gig operational process, constantly detect the cage operation state, glancing impact, controller sends order and realizes braking to the drg actuating unit, and the real-time and the reliability of controller had very high requirement.At last, because the wireless gig of linear electric motors do not have counterweight, lifting load is big, causes that the drg driving power is big, volume is big, realizes difficulty, is the wireless gig engineering of straight limit motor key in application bottleneck problem.In addition, how guaranteeing reliable location and the guiding of the wireless gig of linear electric motors in the long distance running process, also is a difficult problem.
Summary of the invention
The objective of the invention is to cancel the special purpose driver of drg in the wireless elevator system of linear electric motors, a kind of wireless gig that utilizes the linear electric motors hoisting force as the drg propulsive effort is provided, utilize the mover of the wireless gig of linear electric motors and the relative displacement of car to make the drg action, being the propulsive effort that utilizes linear electric motors in essence makes the drg action as the braking releasing force of drg, need not the dedicated brake driving power, drg actuator and controller, can the descending acceleration/accel of the wireless gig of volitional check, simplified brake structural, make elevator system compact more, save cost, cut down the consumption of energy, braking potential is strong.Simultaneously, many group independent suspension buffer-types location wheels are set on linear motor rotor, its main locating wheel is positioned to support in the groove of girder steel assembly, can prevent that car from toppling, simultaneously, utilize between linear motor rotor and the stator indigenous law car tightly to be adsorbed on and support on the girder steel assembly to suction, guarantee that car can not topple, it is reliable to have main location, prevents inclination, advantages such as damping.The present invention can be applicable to the skyscraper elevator, mine vertical, incline hoist, and oil-field oil pumper, the multiple liftings in field such as tiered warehouse facility, harbour, harbour, tourist attraction, suitable application area is extensive.
Wireless gig of the present invention has drg outage band-type brake, drg safety speed-limit, linear electric motors outage dynamic brake, safety tongs automatic brake quadruple defencive function, can stop runaway accident, has fundamentally guaranteed the safety of gig.
Technical scheme of the present invention realizes with following method:
A kind of wireless gig that utilizes hoisting force as the drg propulsive effort mainly comprises and supports girder steel assembly, car, linear motor driver, locating guide device, brake equipment, safety tongs fender guard and buffering apparatus, wherein:
Supporting girder steel assembly 1 is strip, vertically be installed on the erection support 2 of hoistway inwall, its positive linear motor stator electric 4 that linear motor driver is installed, in two sides supporting girder steel assembly 1 opening spill strip slot 1a of direction outwardly is set respectively vertically, spill strip slot 1a both sides are raised line I 1b and raised line II 1c, as the guided way and the braking rail of described wireless gig;
Rank has braking brake shoe 103 in the described spill strip slot 1a, and the sidewall of described spill strip slot 1a contacts with the main positioning and guiding wheel 122 of location wheels;
Described car 7 is made up of car frame 7a, car frame backboard 7b, casing 7c;
Described linear motor driver is made up of linear motor stator electric 4 and linear motor rotor 6 two parts, and linear motor stator electric 4 is installed in the front of supporting girder steel assembly 1; Linear motor rotor 6 and linear motor stator electric 4 surfaces are parallel and keep a fixing air gap I 5a, and making between linear motor rotor 6 and the linear motor stator electric 4 can contactless relative motion;
Described linear motor rotor 6 is separated with car 7, between be the split sliding block joint, and keep a fixing air gap II 5b, slide relative is apart from being limited by limiting stopper 9;
Locating guide device is made up of a plurality of guide-localization wheels 12, and main positioning and guiding wheel 122 ranks of guide-localization wheels 12 are in spill strip slot 1a, and bottom surface 1d is parallel with the spill strip slot, contacts with one of two side of spill strip slot 1a; One or more lateral register track adjusting wheel 123 of guide-localization wheels 12 rides on one of raised line I 1c, the raised line II 1b of spill strip slot 1a both sides or both.
Force booster type caliper brake 10 vertically is fixed on the car frame backboard 7b by drg pedestal 101, with linear motor rotor 6 plane parallel, two brake control levers are encircled with supporting 1 formation of girder steel assembly, and braking brake shoe 103 is positioned at two side spill strip slot 1a that support girder steel assembly 1; Drg catch bar 109 is hinged or fixed with linear motor rotor 6, and the hoisting force that utilizes gig makes the drg action as the propulsive effort of force booster type caliper brake.
In the bottom of car frame the safety tongs fender guard is set;
In the hoistway bottom surface buffer device is set.
Described wireless gig actuating device adopts the slender type linear electric motors, it is secondary to be installed on the motion car, primary fixed is supporting on the girder steel assembly, be primary fixed, collateral motion, perhaps elementary being installed on the motion car, secondary fixed is supporting on the girder steel assembly arrangement of promptly elementary motion, secondary fixed.
Described force booster type caliper brake 10 pedestals are installed on the linear motor rotor 6, and drg catch bar 109 is hinged or fixed with car frame backboard 7b, and braking brake shoe 103 acts on the spill strip slot bottom surface 1d that supports girder steel assembly 1.
Adopt line slide rail 8 sliding block joints between described linear motor rotor 6 and the car 7, car 7 slides on linear motor rotor 6 among a small circle, and limits sliding distance between car and the linear motor rotor 4 by limiting stopper 9.
Described linear motor rotor 6 is separated with car 7, and keep a fixing air gap II 5b, car 7 directly rolls or slides in the side of supporting girder steel assembly 1 by guide-localization wheels 12, and linear motor rotor 6 is limited by limiting stopper 9 with the relative movement distance of car 7.
Described guide-localization wheels 12 also are equipped with main locating wheel recoil spring and lateral register wheel recoil spring.
Described locating guide device also can be realized by line slideway and slide block.
Vertical hoistway is installed supply cable, the power rail contact on the basis or power rail no touch mode provides the linear electric motors of wireless gig elementary, the power supply of car 7 by being fixed on.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present invention;
Integral structure scheme drawing when Fig. 2 is a no car frame of the present invention;
Fig. 3 is a whole birds-eye view of the present invention;
When Fig. 4 is sliding block joint for car of the present invention and linear motor rotor lateral plan;
Fig. 5 navigates to the lateral plan that supports on the girder steel assembly separately for car of the present invention;
Fig. 6 is a drg scheme drawing of the present invention;
Fig. 7 is the positioning and guiding wheels first embodiment scheme drawing of the present invention;
Fig. 8 is the positioning and guiding wheels second embodiment scheme drawing of the present invention.
In the accompanying drawing: 1. support girder steel assembly, 1a. spill strip slot, 1b. raised line I, 1c. raised line II, 1d. spill strip slot bottom surface, 2. erection support, 3. the basis is installed, 4. linear motor stator electric, 5. fixing air gap, 5a. fixing air gap I, 5b. is air gap II fixedly, 6. linear motor rotor, 6a. the linear motor rotor magnet, 6b. linear motor rotor back iron, 6c. linear motor rotor yoke brace panel, 7. car, 7a. car frame, 7b. car frame backboard, 7c. casing, 8. line slide rail, 8a. slide block, 8b. slide block fixed mount, 8c. convex slide rail, 9. limiting stopper, 9a. limiting stopper I, 9b. limiting stopper II, 10. force booster type caliper brake, 11. guide-localization wheels fixed mount, 12. guide-localization wheels, 12a. linear motor rotor guide-localization wheels, 12b. car guide-localization wheels, 121. location wheels retainer, 122. main positioning and guiding wheels, 123. lateral register track adjusting wheels, 124. main locating wheel recoil spring, 126. binding bolt, 127. lateral registers wheel recoil spring, 128. I, 129. axle II, 130. axle III, 101. drg pedestals, 102. brake shoe jointed shafts, 103. braking brake shoe, 104. jointed shaft before the swing arm, 105. swing arms, jointed shaft after 106. swing arms, 107. force-increasing mechanism connecting rod, 108. the rod hinge connection axle, 109. drg catch bars, 115. retarding springs, 116. retarding spring seat, 117. brake bush, 118. jointed shafts, 119. pre-load nuts.
The specific embodiment
Following content is the detailed description of in conjunction with the accompanying drawings the present invention being done, and should not be understood that it is limitation of the invention.
As Fig. 1, Fig. 2, shown in Figure 3, the wireless gig that utilizes hoisting force as the drg propulsive effort of the present invention mainly comprises and supports girder steel assembly, car, linear motor driver, locating guide device, brake equipment.
Supporting girder steel assembly 1 is strip, vertically be installed on the erection support 2 of shaft in wall, its positive linear motor stator electric 4 that linear motor driver is installed vertically respectively is provided with the opening spill strip slot 1a of direction outwardly in two sides supporting girder steel assembly 1;
Spill strip slot 1a both sides are raised line I 1b and raised line II 1c, and raised line I 1b or raised line II 1c are as the braking rail of safety tongs fender guard;
Rank has the braking brake shoe 103 of boosting-type caliper brake 10 in the spill strip slot 1a, glancing impact, and braking brake shoe 103 is pressed on the bottom surface of spill strip slot 1a under the effect of lock arm, produce powerful braking force;
Two madial walls of spill strip slot 1a contact with the wheel face of the main positioning and guiding wheel 122 of guide-localization wheels 12, the external diameter of main positioning and guiding wheel 122 is suitable with the A/F of spill strip slot 1a, keep main positioning and guiding wheel 122 in spill strip slot 1a about vertical motion;
For everybody known linear electric motors, General Definition: there have a side of armature loop to be called linear electric motors to be elementary, and there have a side of magnet to be called linear electric motors to be secondary, and also definition: motion parts is a linear motor rotor, and fixed part is a linear motor stator electric.The principle of work of linear electric motors is: feed electric current in the linear electric motors primary winding, produce a travelling-magnetic-field of magnet movement relatively, this travelling-magnetic-field and secondary magnet are synchronized with the movement, and then the drive linear motor rotor is done straight-line motion.
Linear motor driver of the present invention is made up of linear motor stator electric 4, linear motor rotor 6, linear motor rotor guide-localization wheels 12a three parts, and linear motor stator electric 4 lays fixing along the front of whole support girder steel assembly 1; Linear motor rotor 6 and linear motor stator electric 4 surfaces are parallel and keep a fixing air gap I 5a, and making can contactless relative motion between linear motor rotor 6 and the linear motor stator electric 4.
The locating guide device of linear motor rotor 6 is finished by many groups guide-localization wheels 12, main positioning and guiding wheel 122 ranks of location wheels 12 are in spill strip slot 1a, bottom surface 1d is parallel with the spill strip slot, contact with one of two side of spill strip slot 1a, guarantee motion air gap between linear motor rotor 6 and the linear motor stator electric 4 by locating guide device; One or more lateral register track adjusting wheel 123 of guide-localization wheels 12 rides on the raised line I 1c or raised line II 1b of spill strip slot 1a both sides, prevents linear motor rotor 6 inclinations, realizes the lateral register of linear motor rotor 6.
The wireless gig that utilizes hoisting force as the drg propulsive effort of the present invention, described wireless gig actuating device adopts the slender type structure of the linear motion actuator, it is secondary to be installed on the motion car, primary fixed is supporting on the girder steel assembly, be primary fixed, collateral motion, perhaps elementary being installed on the motion car, secondary fixed is supporting on the girder steel assembly arrangement of promptly elementary motion, secondary fixed.Under the prerequisite that guarantees motor performance, reduce the motor cross sectional dimensions, adopt the slender type structure of the linear motion actuator, the motor normal force is dispersed on the longitudinal movement length direction, effectively avoid stress too to concentrate and motor location, operation problem of difficult, significantly reduce the hoist installation key dimension and to mechanical strength, rigidity requirement and the cost of gig location, brake equipment, the integrated engineering cost that comprises linear motor stator electric, stator mounting base, derrick, and help in the gig operational process effective, the reliable operation of location and stop mechanism.For the increase of gig hoisting capacity, can realize by the method for simple lengthening electric mover length.For super large lifting load occasion, if mover length is long, car can be made multilayer, take multilayer car lifting scheme, perhaps adopt two row and the above structure of the linear motion actuator of two row of parallel installation.
Adopt scheme provided by the present invention, wireless gig is provided with many group guide-localization wheels.As the supporting registration device of slender type linear electric motors, described many group independent suspension buffer-types location wheels both can effectively disperse and alleviate the pressure of locating wheel and local support component, increase reliability and redundancy, can guarantee again linear electric motors elementary and secondary between the variation of working gas gap in engineering permissible error scope; Simultaneously,, can avoid promoting elementary, secondary dislocation of linear electric motors and car inclination effectively, guarantee elementary, the secondary coupling of linear electric motors, stable hoisting force is provided by the lateral register wheel.
Sliding block joint between linear motor rotor 6 and the car 7 adopts line slide rail 8 to realize that line slide rail 8 comprises slide block 8a, slide block fixed mount 8b, convex slide rail 8c; In the two sides of linear motor rotor 6, vertically a plurality of slide block 8a are set by slide block fixed mount 8b; Be complementary with each slide block 8a, many convex slide rail 8c vertically are set in the both sides of car frame backboard 7b, slide block 8a vertically is free to slide on convex slide rail 8c.
Force booster type caliper brake 10 vertically is fixed on the car frame backboard 7b by drg pedestal 101, with linear motor rotor 6 plane parallel, two brake control levers are encircled with supporting 1 formation of girder steel assembly, and braking brake shoe 103 is positioned at two side spill strip slot 1a that support girder steel assembly 1; Drg catch bar 109 is hinged or fixed with linear motor rotor 6.
Linear motor driver of the present invention is preferably permanent magnet linear synchronous motor, but is not limited thereto.On the permanent magnet installing linear motor rotor, armature loop is installed in the linear motor stator electric side; When armature loop cuts off the power supply, with the armature loop short circuit, can realize dynamic brake, the kinematic velocity of straight limit electric mover is a small range, guarantee that elevator cars can safely dropping when linear electric motors cut off the power supply, this also is a significant advantage of the present invention;
In addition, safety tongs is set on car, described safety tongs braking brake shoe acts on the raised line I (1b), the raised line II (1c) that support girder steel assembly (1) and goes up or act on along on the basic T shape guide rail of laying separately of hoistway installation, in the pit shaft bottom surface energy disperser is set, safety tongs device, energy disperser are prior art, no longer describe in detail here;
Provide the linear electric motors of wireless gig, the power supply of car 7 by supply cable, power rail contact or the power rail no touch mode that is fixed on the vertical shaft in wall.
Fig. 4 is car lateral plan during slide relative on linear motor rotor, adopt line slide rail 8 sliding block joints between described linear motor rotor 4 and the car 7, car 7 slides on linear motor rotor 4 among a small circle, and limits sliding distance between car and the linear motor rotor 4 by limiting stopper 9.
Fig. 6 is the scheme drawing of force booster type caliper brake, comprise drg mounting base 101, brake shoe jointed shaft 102, braking brake shoe 103, jointed shaft 106, force-increasing mechanism connecting rod 107, rod hinge connection axle 108, drg catch bar 109, linear motor rotor 6, jointed shaft 118 after the preceding jointed shaft 104 of swing arm, swing arm 105, the swing arm, retarding spring 115, retarding spring seat 116, brake bush 117, pre-load nut 119 are formed.The pushing mechanism of described force booster type caliper brake is a linear motor rotor 6.
The pedestal 101 of drg one end is fixed on the car frame, the drg other end is hinged or fixed by drg catch bar 109 and linear motor rotor 6, brake shoe 103 is articulated in the swing arm by brake shoe jointed shaft 102 together with brake bush 117, brake shoe 103 can be around 102 swings of brake shoe jointed shaft, swing arm 105 is hinged by jointed shaft before the swing arm 104 and pedestal 101, swing arm 105 is hinged by jointed shaft after the swing arm 106 with force-increasing mechanism connecting rod 107, force-increasing mechanism connecting rod 107 is hinged by rod hinge connection axle 108 and connecting rod base 109, retarding spring 115 is enclosed within on the spring perch 116, and the two ends, the left and right sides and the jointed shaft 118 of retarding spring seat 116 are hinged.Initial tension of spring realizes that by pre-load nut 119 this predetermincd tension is used for realizing service braking.
Retarding spring 115 is preferably the dish spring, and it is in compressive state all the time, and the elastic energy of described force booster type caliper brake 10 main dependence retarding springs 115 discharges to be braked; During the brake off state, lean on the propulsive effort drive force-increasing mechanism connecting rod 107 of linear motor rotor 6 that retarding spring 115 compressions are realized.
Described force booster type caliper brake 10, the driving force-increasing mechanism is set, greatly reduce than existing specification, size similar or close drg, can under less propulsive effort, obtain braking force, to guarantee quickly and reliably to discharge brake shoe than big 1～2 order of magnitude of drg of common no force-increasing mechanism.The braking force gain is big, can rely on the adjustment of parts relative position to obtain bigger braking force under the situation that does not change brake structural size and actuating device power.The brake shoe that has brake bush that can swing has guaranteed fitting tightly of brake bush and braking orbit, has increased the reliability and the brake bush worn-down homogeneity of braking.Have simple in structurely, can conveniently expand, quality is little, the characteristics that cost is low.In addition, can also on drg, increase brake bush wearing clearance automatic compensating device and come automatic compensation brake bush wearing clearance.
Below in conjunction with Fig. 1, Fig. 3, Fig. 6 the braking working process that utilizes hoisting force as the wireless gig of drg propulsive effort of the present invention is described:
The catch bar of drg links to each other with the mover of linear electric motors, utilizes the hoisting force of linear motor rotor that the propulsive effort of drg is provided.
Braking procedure.The elementary dead electricity of linear electric motors, linear motor rotor 6 runs out of steam, drg catch bar 109 and force-increasing mechanism connecting rod 107 by gravitys are sagging naturally, simultaneously, the elastic energy that is stored in the retarding spring 115 discharges, the swing arm that promotes lock arm 105 is rotated around jointed shaft 104, makes on the brake shoe 103 brake bush 117 push down braking rail.
Get electric dispose procedure.Linear electric motors are elementary to be got, linear motor rotor 6 produces thrust upwards, driving drg catch bar 109 moves up, force-increasing mechanism connecting rod 107 is rotated by jointed shaft after the swing arm 106, compression brake spring 115, the swing arm that promotes lock arm 105 is rotated around jointed shaft 104, makes brake bush 117 disengaging braking rail on the brake shoe 103.
Release force is directly proportional with the propulsive effort of linear motor rotor 6, is inversely proportional to the tangent of force-increasing mechanism connecting rod 107 with the horizontal direction angle, is directly proportional with arm of force ratio.Angle is more little, and release force is big more, otherwise then more little.
If the electric mover quality is m
1, the quality of lifting container and load-carrying is m
2, the quality of drg is m
3, the acceleration/accel of linear motor rotor 6 is a
1, the car acceleration/accel is a
2, a is the relative acceleration of mover and car, a=a
2-a
1Acceleration due to gravity is g, and the motor hoisting force is F, and retarding spring power is F during service braking
1, retarding spring power is F during drg maximum brake clearance
2, retarding spring power F during maximum brake clearance
2Retarding spring power F during＞service braking
1
Brake off analysis when the lifting container quiescence promotes:
Linear electric motors get electric, and electromagnetic push F rises gradually, and the drg swing arm is opened the direction swing to drg gradually, as F＞F
1The time, drg is opened fully, and electromagnetic push F rises to F
2, i.e. F＞F
2The time, the block on the mover contacts with block on the car frame, drives lifting container, load-carrying, drg and rises with mover.
The Braking Analysis of lifting process:
The control linear electric motors slow down, and electromagnetic push F descends gradually, as F-(m
1+ m
2+ m
3) g＜F
2The time (entire system is made a concerted effort＜critical retardation power F
2The time), the drg swing arm is to the swing of arrester close direction, as F-(m
1+ m
2+ m
3) g＜F
1The time, arrester close is realized service braking.
Brake off analysis when the lifting container quiescence descends:
The decline process of lifting container quiescence, at this moment, drg is in closure state.At first, linear electric motors get electric, and electromagnetic push F rises gradually, and the drg swing arm is opened the direction swing to drg, as F＞F
1The time, drg is opened fully, and electromagnetic push F rises to F
2, i.e. F＞F
2The time, the block on the mover contacts with block on the car frame, drives lifting container, load-carrying, drg and descends with mover.
The Braking Analysis of decline process:
The control linear electric motors slow down, and electromagnetic push F are descended gradually, as F＜F
2The time, the drg swing arm is to the swing of arrester close direction, as F＜F
1The time, arrester close is realized service braking.
Analysis of drg braking characteristics and reliable glancing impact acceleration analysis:
During decline: (m
1+ m
2+ m
3) g-F=(m
1+ m
2+ m
3) a
As F=(m
1+ m
2+ m
3) (g-a)＜F
2The time, the drg swing arm is to the swing of arrester close direction, as F=(m
1+ m
2+ m
3) (g-a)＜F
1The time, arrester close is realized service braking.
Decline acceleration/accel a＜{ (m
1+ m
2+ m
3) g-F
1}/(m
1+ m
2+ m
3), the acceleration/accel that promptly descends is restricted, and its value surpasses { (m
1+ m
2+ m
3) g-F
1}/(m
1+ m
2+ m
3), drg is implemented braking, plays the acceleration safety guard-safeguard effect that descended.Therefore, this characteristic can be used to replace the velocity limiter of existing elevator device, simplifies existing elevator safety gear speed-limiting protection system.
During rising: F-(m
1+ m
2+ m
3) g=(m
1+ m
2+ m
3) a, promptly hoisting force is F=(m
1+ m
2+ m
3) (g+a), the power that acts on the drg force-increasing mechanism connecting rod base is constantly equal to F
2, the stressed F-F of being that shares on the block
2, drg is in open mode, and brake status is not limited by climb acceleration.
Described force booster type caliper brake 10 combines with the hoisting force of linear motor rotor, utilize the braking releasing force of the hoisting force of linear motor rotor as the force booster type caliper brake, need not dedicated brake driving power, drg actuator and controller, can the descending acceleration/accel of the wireless gig of volitional check, simplified brake structural.
This force booster type caliper brake cooperates with safety tongs device, can improve the safety of total system.Principle is as follows: safety tongs is fixed on the car, and when malfunctioning and braking force was not enough when the safety tongs part, car slowed down, and linear motor rotor quickens relatively downwards, when acceleration/accel surpassed setting value, the reliable braking of whole wireless gig was further guaranteed in the action of force booster type caliper brake.
As can be seen from the above; wireless gig of the present invention has drg outage band-type brake, drg safety speed-limit, linear electric motors outage dynamic brake, safety tongs automatic brake quadruple defencive function; can stop runaway accident, fundamentally guarantee the safety and the reliability of gig.
As Fig. 7, shown in Figure 8, be positioning and guiding wheels scheme drawing of the present invention, guide-localization wheels 12 comprise wheels retainer 121, main locating wheel 122, lateral register wheel 123, main locating wheel recoil spring 124, lateral register wheel recoil spring 127, binding bolt 126.Fig. 7 (A), Fig. 7 (B), Fig. 7 (C) dispose two lateral register track adjusting wheels 123, in actual applications, 2 groups of above lateral register track adjusting wheels 123 can also be set; Lateral register track adjusting wheel 123 of configuration shown in Fig. 8 (A), Fig. 8 (B), Fig. 8 (C).Among Fig. 7, main locating wheel 122 is sleeved on the axle I 128 of vertical paper, and main locating wheel 122 is vertically fixed on the midway location of wheels retainer 121 together with axle I 128; Lateral register wheel 123 is sleeved on the II 129, axle II 129 is parallel with wheels retainer 121 surfaces, and be fixed in wheels retainer 121 via axle III 130 and lateral register wheel recoil spring 127, and take turns in 123 rolling processes at lateral register, can play cushioning effect; Main locating wheel recoil spring 124 is installed on the binding bolt 126 of wheels retainer 121, and the bumper and absorbing shock function of main locating wheel 122 is finished by main locating wheel recoil spring 124.
Described force booster type caliper brake (5) pedestal is installed on the linear motor rotor (6), drg catch bar (109) is hinged or fixed with car frame backboard (7b), and braking brake shoe (103) acts on the spill strip slot bottom surface (1d) of supporting girder steel assembly (1).Other is with embodiment 1.
The locating guide device of linear motor rotor 6 of the present invention can also be realized with line slideway and slide block, line slideway is installed on two sides supporting girder steel assembly 1, slide block is installed in linear motor rotor back iron 6b corresponding side surface, and align with line slideway, slide block can be free to slide on line slideway, and then guarantees that linear motor rotor 6 is supporting on the girder steel assembly 1 up-and-down movement vertically.Other is with embodiment 1.
As Fig. 5, for car separates with linear motor rotor, lateral plan when locating respectively, described linear motor rotor 4 is separated with car 7, and keeps a fixing air gap II 5b, car 7 by 2 groups of above car guide-localization wheels 12b directly in the side slip of support girder steel assembly 1.Car guide-localization wheels 12b is installed in the edge, both sides of car frame backboard 7b by guide-localization wheels retainer 11, the main positioning and guiding wheel 122 of car guide-localization wheels 12b rolls in the spill strip slot, lateral register track adjusting wheel 123 rides on raised line I 1c or the raised line II 1b, reaches the purpose of location car 7.Linear motor rotor 4 is limited by limiting stopper 9 with car 7 slide relative distance.Other is with embodiment 1.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. a wireless gig that utilizes hoisting force as the drg propulsive effort mainly comprises and supports girder steel assembly, car, linear motor driver, locating guide device, brake equipment, safety tongs fender guard and buffering apparatus, wherein:
Supporting girder steel assembly (1) is strip, vertically be installed on the erection support (2) of hoistway inwall, its positive linear motor stator electric (4) that linear motor driver is installed, in two sides supporting girder steel assembly (1) opening spill strip slot (1a) of direction outwardly is set respectively vertically, spill strip slot (1a) both sides are raised line I (1b) and raised line II (1c), as the guided way and the braking rail of described wireless gig;
Rank has braking brake shoe (103) in the described spill strip slot (1a), and the sidewall of described spill strip slot (1a) contacts with the main positioning and guiding wheel (122) of location wheels;
Described car (7) is made up of car frame (7a), car frame backboard (7b), casing (7c);
Described linear motor driver is made up of linear motor stator electric (4) and linear motor rotor (6) two parts, and linear motor stator electric (4) is installed in the front of supporting girder steel assembly (1); Linear motor rotor (6) and linear motor stator electric (4) surface is parallel and keep a fixing air gap I (5a), and making between linear motor rotor (6) and the linear motor stator electric (4) can contactless relative motion;
Described linear motor rotor (6) and car (7) are separated, between be the split sliding block joint, and keep a fixing air gap II (5b), slide relative is apart from being limited by limiting stopper (9);
Locating guide device is made up of a plurality of guide-localization wheels (12), main positioning and guiding wheel (122) rank of guide-localization wheels (12) is in spill strip slot (1a), parallel with spill strip slot bottom surface (1d), contact with one of two side of spill strip slot (1a); One or more lateral register track adjusting wheel (123) of guide-localization wheels (12) rides on one of raised line I (1c), the raised line II (1b) of spill strip slot (1a) both sides or both.
Force booster type caliper brake (10) vertically is fixed on the car frame backboard (7b) by drg pedestal (101), with linear motor rotor (6) plane parallel, two brake control levers are encircled with supporting girder steel assembly (1) formation, and braking brake shoe (103) is positioned at two the side spill strip slots (1a) that support girder steel assembly (1); Drg catch bar (109) and linear motor rotor (6) are hinged or fixed, and the hoisting force that utilizes gig makes the drg action as the propulsive effort of force booster type caliper brake.
In the bottom of car frame the safety tongs fender guard is set;
In the hoistway bottom surface buffer device is set.
2. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: described wireless gig actuating device adopts the slender type linear electric motors, it is secondary to be installed on the motion car, primary fixed is supporting on the girder steel assembly, be primary fixed, collateral motion, perhaps elementary being installed on the motion car, secondary fixed is supporting on the girder steel assembly arrangement of promptly elementary motion, secondary fixed.
3. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: described force booster type caliper brake (10) pedestal is installed on the linear motor rotor (6), drg catch bar (109) is hinged or fixed with car frame backboard (7b), and braking brake shoe (103) acts on the spill strip slot bottom surface (1d) of supporting girder steel assembly (1).
4. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: adopt line slide rail (8) sliding block joint between described linear motor rotor (6) and the car (7), car (7) slides on linear motor rotor (6) among a small circle, and limits sliding distance between car and the linear motor rotor (4) by limiting stopper (9).
5. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: described linear motor rotor (6) is separated with car (7), and keep a fixing air gap II (5b), car (7) directly rolls or slides in the side of supporting girder steel assembly (1) by guide-localization wheels (12), and linear motor rotor (6) is limited by limiting stopper (9) with the relative movement distance of car (7).
6. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: described guide-localization wheels (12) also are equipped with main locating wheel recoil spring and lateral register wheel recoil spring.
7. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: described locating guide device also can be realized by line slideway and slide block.
8. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: raised line I (1b), raised line II (1c) that described safety tongs braking brake shoe acts on the spill strip slot that supports girder steel assembly (1) go up or act on along hoistway and install on the T shape guide rail of laying separately on the basis.
9. according to the described wireless gig that utilizes hoisting force as the drg propulsive effort of claim 1, it is characterized in that: vertical hoistway is installed supply cable, the power rail contact on the basis or power rail no touch mode provides the linear electric motors of wireless gig elementary, the power supply of car (7) by being fixed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910206838 CN102040141B (en) | 2009-10-15 | 2009-10-15 | Rope-free lifting machine using lifting force as brake drive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910206838 CN102040141B (en) | 2009-10-15 | 2009-10-15 | Rope-free lifting machine using lifting force as brake drive force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102040141A true CN102040141A (en) | 2011-05-04 |
| CN102040141B CN102040141B (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910206838 Expired - Fee Related CN102040141B (en) | 2009-10-15 | 2009-10-15 | Rope-free lifting machine using lifting force as brake drive force |
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| Country | Link |
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| CN (1) | CN102040141B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103010904A (en) * | 2012-12-05 | 2013-04-03 | 王传慧 | Simulation testing device for elevator |
| CN103241247A (en) * | 2012-02-07 | 2013-08-14 | 刘应国 | Vertical shaft trolley system |
| CN104047577A (en) * | 2014-05-28 | 2014-09-17 | 河南理工大学 | Linear motor direct-driven pumping unit |
| CN104806206A (en) * | 2015-05-15 | 2015-07-29 | 焦作市华鹰机电技术有限公司 | Oil pumping unit driven by cylindrical linear motor |
| CN107741316A (en) * | 2017-09-13 | 2018-02-27 | 中国矿业大学 | Deep-well lifting system magneto overtravel protection testing stand |
| CN111532917A (en) * | 2020-03-30 | 2020-08-14 | 广东省特种设备检测研究院中山检测院 | Detection method, tester and detection system for elevator car accidental movement protection device |
| CN114380176A (en) * | 2022-02-21 | 2022-04-22 | 同济大学 | Household elevator |
| CN115465801A (en) * | 2022-10-31 | 2022-12-13 | 河南三智装备科技有限公司 | Take safety brake's hoist mechanism |
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| JPH061558A (en) * | 1992-06-17 | 1994-01-11 | Mitsubishi Electric Corp | Braking device for ropeless elevator |
| JPH0840663A (en) * | 1994-07-28 | 1996-02-13 | Mitsubishi Electric Corp | Ropeless elevator device |
| CN201553520U (en) * | 2009-10-15 | 2010-08-18 | 河南理工大学 | Rope-free hoist utilizing lifting power to drive brake |
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| JPH061558A (en) * | 1992-06-17 | 1994-01-11 | Mitsubishi Electric Corp | Braking device for ropeless elevator |
| JPH0840663A (en) * | 1994-07-28 | 1996-02-13 | Mitsubishi Electric Corp | Ropeless elevator device |
| CN201553520U (en) * | 2009-10-15 | 2010-08-18 | 河南理工大学 | Rope-free hoist utilizing lifting power to drive brake |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103241247A (en) * | 2012-02-07 | 2013-08-14 | 刘应国 | Vertical shaft trolley system |
| CN103241247B (en) * | 2012-02-07 | 2016-08-10 | 刘应国 | Vertical shaft trolley system |
| CN103010904A (en) * | 2012-12-05 | 2013-04-03 | 王传慧 | Simulation testing device for elevator |
| CN104047577A (en) * | 2014-05-28 | 2014-09-17 | 河南理工大学 | Linear motor direct-driven pumping unit |
| CN104806206A (en) * | 2015-05-15 | 2015-07-29 | 焦作市华鹰机电技术有限公司 | Oil pumping unit driven by cylindrical linear motor |
| CN104806206B (en) * | 2015-05-15 | 2018-01-09 | 焦作市华鹰机电技术有限公司 | A kind of oil pumper of cylindrical linear motor driving |
| CN107741316A (en) * | 2017-09-13 | 2018-02-27 | 中国矿业大学 | Deep-well lifting system magneto overtravel protection testing stand |
| CN111532917A (en) * | 2020-03-30 | 2020-08-14 | 广东省特种设备检测研究院中山检测院 | Detection method, tester and detection system for elevator car accidental movement protection device |
| CN111532917B (en) * | 2020-03-30 | 2022-12-13 | 广东省特种设备检测研究院中山检测院 | Detection method, tester and detection system for accidental movement protection device of elevator car |
| CN114380176A (en) * | 2022-02-21 | 2022-04-22 | 同济大学 | Household elevator |
| CN115465801A (en) * | 2022-10-31 | 2022-12-13 | 河南三智装备科技有限公司 | Take safety brake's hoist mechanism |
| CN115465801B (en) * | 2022-10-31 | 2023-03-17 | 河南三智装备科技有限公司 | Take safety brake's hoist mechanism |
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|---|---|
| CN102040141B (en) | 2013-06-19 |
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