CN102040139A - Direct drive type hoist with boosting caliper brake - Google Patents
Direct drive type hoist with boosting caliper brake Download PDFInfo
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- CN102040139A CN102040139A CN2009102068436A CN200910206843A CN102040139A CN 102040139 A CN102040139 A CN 102040139A CN 2009102068436 A CN2009102068436 A CN 2009102068436A CN 200910206843 A CN200910206843 A CN 200910206843A CN 102040139 A CN102040139 A CN 102040139A
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Abstract
The invention discloses a direct drive type hoist with a boosting caliper brake. The hoist comprises a vertical shaft, a cage, a cage rack, the boosting caliper brake, a safety gear and a positioning mechanism, wherein a fixed beam is arranged on an inner wall mounting base of the vertical shaft; a hoisting permanent magnet linear motor is arranged between the fixed beam and the cage rack; the boosting caliper brake is arranged on the cage rack or the cage; and a brake boosting mechanism and a drive boosting mechanism are arranged on the brake. Compared with those of the conventional identical or similar brakes, the specification, dimension and weight of a push mechanism such as springs are greatly reduced, the braking force and the driving force are increased by one to two orders of magnitude compared with those of common boost-free brakes, and the cage accurately and reliably brakes. The positioning mechanism is arranged between the inner wall of the shaft and the cage. By adopting the scheme of the positioning mechanism and the hoisting linear motor with a slender structure, the variation of a working air gap of the motor is controlled within an engineering allowed band, normal attraction force in unit length is greatly reduced, stress concentration is avoided, and the cage stably operates.
Description
Technical field
The invention belongs to wireless lifting field, be specifically related to a kind of direct-drive type gig with the boosting-type caliper brake.
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 linear electric motors gig 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 linear electric motors gig mainly contains line inductance electromotor and two kinds of drive configuration types of permanent-magnetism linear motor, and wherein energy index height, the working gas gap of permanent-magnetism linear motor are wide, thrust is big, are acknowledged as the only drive source of linear electric motors gig.Because the indigenous law that existence is bigger between permanent-magnetism linear motor elementary and secondary is to attractive force, can adopt the double-flanged end permanent-magnetism linear motor structure that the both sides working gas gap is identical, dos-is arranged in theory, so that offset normal direction attractive force each other, alleviate car inclination positive pressure, reduce the friction of motion resistance, increase capacity weight.On operation scheme, can adopt the short elementary length of moving pri secondary, the perhaps moving secondary elementary two kinds of arrangements of the secondary length of weak point, motor stator is fixed on the pit shaft inboard, mover is fixed on the car, when electric motor primary energising formation travelling-magnetic-field, thereby produce hoisting force upwards, drive car movement.
But above-mentioned is the ideal structure of the direct-drive type gig of drive source with linear electric motors, only solves basic driver power problem, does not but solve some key issues that exist in the application of real-world operation and engineering.For example, how suppressing the permanent-magnetism linear motor indigenous law influences the problem of gig performance to attractive force, how the service braking of frequent start-stop, safety arrestment problem in the gig operational process guarantee machine operation air gap problem, and the car inclination problem that discontinuity causes after the car carrying.In addition, have also that existing drg volume is too huge, weight is too heavy, cause the car deadweight excessive, it is low excessively to promote efficient, even can't realize a difficult problem such as normal lifting.
In the direct-drive type gig operational process, the machine operation air gap changes more greatly, and indigenous law is big more to the overbalance skew back positive pressure that attractive force causes, and, increase with the increase of gig dead-weight capacity.Therefore, causing moving friction drag increases, and effectively lifting load reduces, and move not steadily, and noise is big, construction costs and operating cost height, and location and braking difficulty, even location and brake equipment inefficacy, car block, hold a series of problems such as can't move.
Summary of the invention
The technical problem to be solved in the present invention be suppress to greatest extent indigenous law to attractive force to direct-drive type gig Effect on Performance, gig braking difficulty, machine operation air gap be difficult to guarantee, problems such as inclination easily take place in car, reliable location of a kind of realization and braking are provided, guarantee that the machine operation air gap is stable, car is from heavy and light, and the direct-drive type gig that prevents the band boosting-type caliper brake of car inclination.
Technical scheme of the present invention realizes with following method:
A kind of direct-drive type gig with the boosting-type caliper brake, comprise vertical pit shaft, car, car frame and safety tongs, fixed beam is installed on the mounting base of vertical shaft in wall, and car frame is around car and stretch out cage side, and the lifting linear electric motors are set between fixed beam and the car frame.Described direct-drive type gig is provided with boosting-type caliper brake and detent mechanism, comprises that the machine operation air gap takes turns detent mechanism and car detent mechanism more.
Described lifting linear electric motors adopt slim-lined construction, constitute with the linear electric motors secondary magnet by linear electric motors are elementary, the stator of linear electric motors adopts decides the secondary or fixed secondary secondary short pri stator arrangement mode of length of the long elementary weak point of pri, the mover of linear electric motors adopts the secondary long pri mover arrangement of the short secondary or moving secondary weak point of elementary length of moving pri, mover is made up of one section or multistage, and every section mover adopts affixed or the pivotally attached mode links to each other with car frame.
Described fixed beam is " U " type or T-shape, is " U " type fixed beam or the T-shape fixed beam that is fixed on the vertical shaft in wall mounting base.
Described boosting-type caliper brake is installed on the car frame, acts on the lateral surface of " U " type fixed beam; Perhaps be installed in the diagonal positions of car, act on braking T type rail I; Perhaps be installed on the car frame, act on braking, lead and use T type rail II with.
Described fixed beam is " E " type, is made up of three T type rails that are fixed on the vertical shaft in wall mounting base, or is fixed on " E " type fixed beam on the vertical shaft in wall mounting base.
Described boosting-type caliper brake is installed on the car frame, acts on T type rail III.
The direct-drive type gig of described band boosting-type caliper brake provides electric mover, car by supply cable, power rail contact or the no touch mode that is fixed on the vertical shaft in wall, and the power supply of boosting-type caliper brake.
Described machine operation air gap takes turns detent mechanism more and the car detent mechanism adopts rolling or sliding and running mode, the machine operation air gap is taken turns detent mechanism more, be arranged at fixed beam and car frame or and car or and car frame side beam between, the car detent mechanism is arranged between car or car frame side beam and the T type rail.
Described machine operation air gap is taken turns detent mechanism more, be arranged at the end or the fixed beam outside that promote electric mover, be to be installed on the car or to be directly installed on the above air gap positioning roller of two couples on the car frame by the location wheel carrier, perhaps by being fixed on the car or being fixed on the location wheel carrier on the car frame and being installed in that the location guide wheel constitutes more than two couple on the wheel carrier of location, perhaps by T type rail be installed in and lead boots on the car and constitute.
Described car detent mechanism is installed in the diagonal positions of car or car frame side beam, is made up of car positioning roller that is fixed on the band spring buffer mechanism on the car and the guiding T type rail that is fixed on the vertical shaft in wall mounting base; Perhaps be installed in the position, middle of car, use T type rail with and form by braking, the guiding the leading boots and be fixed on the vertical shaft in wall mounting base that are fixed on the car.
Adopt scheme provided by the present invention, the drive source of direct-drive type gig adopts the permanent-magnetism linear motor of slim-lined construction, is flat narrow elongated features to the flush type permanent-magnetism linear motor, is elongate rod features to cylinder or camber linear electric motors.Under the prerequisite that guarantees motor performance, reduce the motor cross sectional dimensions, the motor normal force is dispersed on the longitudinal movement length direction, unit length normal direction attractive force can reduce an order of magnitude, can increase capacity weight, effectively avoid stress too to concentrate and the motor location, the operation problem of difficult, greatly reduce the hoist installation key dimension and gig is located, the mechanical strength of brake equipment, rigidity requirement, significantly reduce and comprise linear motor stator electric, the stator mounting base, derrick is in interior integrated engineering cost, and help in the gig operational process location and stop mechanism effective, reliable operation.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 is made multilayer, take multilayer car lifting scheme, perhaps direct according to circumstances expanded motor transverse width or outside dimension.Electric mover can be made up of one section or multistage, and every section mover adopts affixed or the pivotally attached mode links to each other with car frame.Between mover and car frame, adopt the pivotally attached movable connection method, both can realize motor and car frame independent location separately, do not disturb mutually, the reliable contact between each locating wheel that can guarantee whole mover again and the orbit.
Adopt scheme provided by the present invention, the caliper brake of direct-drive type hoist installation band force-increasing mechanism, its distinctive force-increasing mechanism can make power, size, the weight of pushing mechanisms such as electromagnet, spring be reduced greatly, can under very little propulsive effort, obtain braking force than big 1～2 order of magnitude of drg of common no force-increasing mechanism, realize the regular calling of car, have simple in structure, extendability, transplantability are good, quality is little, the characteristics that cost is low, significantly reduce the deadweight of car, increased the capacity weight of car.Simultaneously, described drg adopts the mode of operation of dead electricity braking, can effectively avoid falling or rushing to summit accident because of car that unforeseen circumstancess such as power failure occur.
Adopt scheme provided by the present invention, the direct-drive type gig is provided with the machine operation air gap and takes turns detent mechanism and car detent mechanism more.As the supporting registration device of slender type permanent-magnetism linear motor, described machine operation air gap is taken turns the pressure that detent mechanism both can effectively disperse and alleviate locating wheel and local support component more, reduce the weight of movable parts, increase reliability and redundancy, can guarantee again the slender type linear electric motors elementary and secondary between the variation of working gas gap in engineering permissible error scope; Simultaneously,, can avoid promoting the dislocation of linear electric motors primary and secondary effectively, guarantee the coupling of linear electric motors primary and secondary, stable hoisting capacity is provided by anti-motor primary and secondary dislocation location guide wheel.Described car detent mechanism can be avoided the inclination that produces because of car carrying discontinuity.The machine operation air gap is taken turns detent mechanism and car detent mechanism more, guarantees to promote motor and car smooth running in the middle of pit shaft, has reduced the friction drag between movable parts and the track, increases the capacity weight of gig.
Description of drawings
Fig. 1 (A) is the cross-sectional schematic of the embodiment of the invention 1;
Fig. 1 (B～I) take turns the partial schematic sectional view that detent mechanism adopts different schemes for the embodiment of the invention 1 machine operation air gap more;
Fig. 2 (A) is the schematic perspective view of gig scheme shown in Fig. 1 in the embodiment of the invention 1 (B);
Fig. 2 (B) is the schematic perspective view of boosting-type caliper brake 5 among Fig. 2 (A);
Fig. 3 is the cross-sectional schematic of the embodiment of the invention 2;
Fig. 4 is the cross-sectional schematic of the embodiment of the invention 3;
Fig. 5 is the cross-sectional schematic of the embodiment of the invention 4;
Fig. 6 is the cross-sectional schematic of the embodiment of the invention 5;
Fig. 7 is the cross-sectional schematic of the embodiment of the invention 6;
Fig. 8 is the cross-sectional schematic of the embodiment of the invention 7;
Fig. 9 is the cross-sectional schematic of the embodiment of the invention 8;
Figure 10 is the cross-sectional schematic of the embodiment of the invention 9;
Figure 11 is the cross-sectional schematic of the embodiment of the invention 10;
Figure 12 (A) is the cross-sectional schematic of the embodiment of the invention 11;
(B～C) is respectively the embodiment of the invention 11 machine operation air gaps and takes turns the partial schematic sectional view that detent mechanism and fixed beam adopt different schemes more Figure 12;
Figure 13 is the cross-sectional schematic of the embodiment of the invention 12;
Figure 14 is the cross-sectional schematic of boosting-type caliper brake embodiment A among the present invention;
Figure 15 is the cross-sectional schematic of boosting-type caliper brake Embodiment B among the present invention;
Figure 16 is the cross-sectional schematic of boosting-type caliper brake Embodiment C among the present invention;
Figure 17 is the cross-sectional schematic of boosting-type caliper brake embodiment D among the present invention;
Figure 18 is the cross-sectional schematic of boosting-type caliper brake embodiment E among the present invention;
Figure 19 is the cross-sectional schematic of boosting-type caliper brake embodiment F among the present invention.
In the accompanying drawing: 1. car, 2. linear electric motors are elementary, 3. the linear electric motors secondary magnet, 4. car frame, 5. boosting-type caliper brake, 5a. brake block, 5b. force increasing arm, 5c. drg pushing mechanism, 5d. synchronising (connecting) rod, 6a～6e. locatees wheel carrier, 7a～7f. air gap location guide wheel, the anti-motor primary and secondary dislocation of 8a～8e. location guide wheel, 9. air gap positioning roller, 10. vertical pit shaft, 11a～11c. fixed beam, 12a～12c. car positioning roller, 13. spring bumper, 14a～14f.T type rail, 15. lead boots, 16. motor erecting frames, 17. torsion spring, 18. the safety rope driver train, 19. energy dispersers, 20. install the basis, 101. pedestal, 102. the brake shoe jointed shaft, 103. brake shoes, jointed shaft before 104. swing arms, 105. swing arm, 106. jointed shaft after the swing arm, 107. braking force-increasing mechanism connecting rods, 108. brake connecting rod jointed shafts, 109. slide block, 110. drive force-increasing mechanism rod hinge connection axle, 111. drive force-increasing mechanism connecting rod, 112. push rod jointed shafts, 113. pushing mechanism, 114. orienting lug, 115. retarding springs, 116. retarding spring seats, 117. brake bush, 118. fixed block I, 119. fixed block II, 120. fixed block III.
The specific embodiment
The direct-drive type gig scheme of 9 kinds of band boosting-type caliper brakes is provided as shown in Figure 1, Fig. 1 (A) is the whole cross-sectional schematic of described direct-drive type gig, and (B～I) takes turns the partial schematic sectional view of employing different schemes on the detent mechanism to Fig. 1 more at the machine operation air gap for described direct-drive type gig and Fig. 1 (A).
Be example with Fig. 1 (A) below, specifically be illustrated.
Shown in Fig. 1 (A), a kind of direct-drive type gig with the boosting-type caliper brake, comprise vertical pit shaft 10, car 1, boosting-type caliper brake 5, car frame 4, promote permanent-magnetism linear motor, safety tongs, and detent mechanism, and provide electric mover, car 1, and the power supply of boosting-type caliper brake 5 by being fixed on supply cable on vertical pit shaft 10 inwalls, power rail contact or no touch mode.
The drive source of direct-drive type gig adopts the permanent-magnetism linear motor of slim-lined construction, constitute by linear electric motors elementary 2 and linear electric motors secondary magnet 3, the mover of linear electric motors adopts the secondary long pri mover arrangement of the short secondary or moving secondary weak point of elementary length of moving pri, and the stator of linear electric motors adopts decides the secondary or fixed secondary secondary short pri stator arrangement mode of length of the long elementary weak point of pri.For sake of convenience, be example only below with the moving secondary secondary long pri mover arrangement of weak point.
" U " type fixed beam 11a is fixed on the mounting base of vertical pit shaft 10 inwalls, described car frame 4 is around car 1, be arranged on car top, side, bottom, and stretch out cage side, the back timber of car frame 4 is connected car frame side beam with the horizontal direction of bottom girder, be used to install car detent mechanism or drg, also can see the part of car frame 4 as.The car frame 4 of car 1 lateral parts becomes cross-like with two arms of " U " type fixed beam 11a.Between the car frame 4 of car 1 lateral parts and " U " type fixed beam 11a lifting linear electric motors are set.Elementary 2 captive joints of linear electric motors or be hinged on the car frame 4 of car 1 lateral parts form the motion parts of described direct-drive type gig with car 1; Linear electric motors secondary magnet 3 is fixed on the both sides of " U " type fixed beam 11a inwall.
Described boosting-type caliper brake 5 is installed on the car frame 4, acts on the lateral surface of " U " type fixed beam 11a.Described detent mechanism comprises two parts, takes turns the detent mechanism except that the machine operation air gap more, and other is provided with the car detent mechanism.
Described car detent mechanism is made up of 3 car positioning rollers (12a, 12b, 12c) that are fixed on the band spring bumper 13 on car 1 or the car frame side beam and the guiding T type rail 14a that is fixed on the vertical pit shaft 10 inwall mounting bases.Described machine operation air gap is taken turns detent mechanism more, as the supporting registration device of slender type permanent-magnetism linear motor, by a plurality of air gap positioning rollers 9 more than two couple who is arranged at " U " type fixed beam 11a inboard, and be arranged on the car frame 4, along the anti-motor primary and secondary dislocation location guide wheel 8a composition of " U " type fixed beam 11a two arm sides operation.A plurality of air gap positioning roller 9 equidistantly or not is equally spaced along sense of motion, is installed on the car frame 4 of car 1 lateral parts, is positioned at a side of linear electric motors elementary 2, and near the bottom of " U " type fixed beam 11a.Described machine operation air gap is taken turns the pressure that targeting scheme both can effectively disperse and alleviate locating wheel and local support component more, reduce the weight of fixed parts and movable parts, increase the reliability and the redundancy of parts, the variation that can guarantee working gas gap between slender type linear electric motors elementary and secondary again guarantees to promote the smooth running of motor and car in engineering permissible error scope.
Described air gap positioning roller 9 can adopt rigidly connected nebenkern structure, and the eccentric wheel elastic connection structure of torsion spring perhaps is installed.Adopt the eccentric wheel elastic connection structure that torsion spring is installed, can be in the mover operational process, the motion axle center of dynamic adjustments air gap positioning roller 9, guarantee reliable contact the between air gap positioning roller 9 and the orbit, suppress the permanent-magnetism linear motor indigenous law and process the influence of planeness, give full play to the machine operation air gap and take turns the effect that detent mechanism guarantees air gap more the gig drive ability to attractive force and track.
(B～I) and Fig. 1 (A) take turns different on the detent mechanism at the machine operation air gap more, further are illustrated at Fig. 1.
Shown in Fig. 1 (B), described machine operation air gap is taken turns detent mechanism by a plurality of air gap positioning rollers 9 more than two couple who is arranged at " U " type fixed beam 11a inboard more, and be arranged on the car 1, along the air gap location guide wheel 7a composition of " U " type fixed beam 11a lateral surface operation.Described air gap positioning roller 9 adopts the eccentric wheel elastic connection structure that torsion spring 17 is installed.Described air gap location guide wheel 7a is positioned at the top of drg 5.Same Fig. 1 of other structure (A).Fig. 2 (A) is depicted as the schematic perspective view of direct-drive type gig scheme shown in embodiment 1 Fig. 1 (B), and Fig. 2 (B) is depicted as the schematic perspective view of boosting-type caliper brake 5 among Fig. 2 (A).Install on the basis 20 energy disperser 19 is set, safety rope driver train 18 is installed on the back timber of car frame 4.Boosting-type caliper brake 5 is made of brake shoe 5a, force increasing arm 5b, drg pushing mechanism 5c, synchronising (connecting) rod 5d.(number of patent application: the drg difference 200910203177.0) is that retarding spring is arranged among the pushing mechanism 5c to " caliper brake of band force-increasing mechanism " patent that described boosting-type caliper brake 5 and we have applied for.Described force increasing arm 5b utilizes lever principle, has the reinforcement function, realizes that less propelling thrust produces bigger braking force, and described synchronising (connecting) rod 5d realizes the synchronous working of drg both sides brake block 5a.
Shown in Fig. 1 (C), air gap positioning roller 9 direct mounts, be distributed on the car frame 4 of car 1 lateral parts, be positioned at a side of linear electric motors elementary 2, and near the opening portion of " U " type fixed beam 11a.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (D), air gap positioning roller 9 direct mounts, be distributed on the car frame 4 of car 1 lateral parts, be positioned at the both sides of linear electric motors elementary 2, respectively near bottom and the opening portion of " U " type fixed beam 11a.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (E), air gap positioning roller 9 is provided with, is distributed in the lateral surface of " U " type fixed beam 11a, is installed on the location wheel carrier 6a on the car 1.Described boosting-type caliper brake 5 is installed on the varying level with air gap positioning roller 9.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (F), at the lateral surface of " U " type fixed beam 11a, set up a cover registration device, form by location wheel carrier 6b and the air gap location guide wheel 7b that is installed on the wheel carrier 6b of location, location wheel carrier 6b is installed on the car 1, and locating between the guide wheel 7b with air gap is that elasticity is connected.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (G), described machine operation air gap is taken turns detent mechanism more and is made up of location wheel carrier 6c and the air gap location guide wheel 7c and the anti-motor primary and secondary dislocation location guide wheel 8b that are installed in more than two couple who locatees on the wheel carrier 6c.Location wheel frame 6c is installed on the car frame 4.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (H), between the car frame 4 of " U " type fixed beam 11a and car 1 lateral parts, setting, distributed air gaps are located guide wheel 7d, are positioned at the both sides of linear electric motors elementary 2, adopt bilateral two-wheel structure.Between air gap location guide wheel 7d and the car frame 4 is that elasticity is connected.Same Fig. 1 of other structure (A).
Shown in Fig. 1 (I), between the car frame 4 of " U " type fixed beam 11a and car 1 lateral parts, setting, distributed air gaps are located guide wheel 7d, are positioned at a side of linear electric motors elementary 2, near the bottom of " U " type fixed beam 11a, adopt bilateral single-wheel structure.Between air gap location guide wheel 7d and the car frame 4 is that elasticity is connected.Same Fig. 1 of other structure (A).
As shown in Figure 3, the direct-drive type gig of band boosting-type caliper brake, described detent mechanism only is provided with the machine operation air gap and takes turns detent mechanism more.Other structure is with the Fig. 1 among the embodiment 1 (A).
In addition, the various machine operation air gaps described in the embodiment 1 are taken turns detent mechanism more, as Fig. 1 (B～I), be equally applicable to embodiment 2.
As shown in Figure 4, the direct-drive type gig of band boosting-type caliper brake, described boosting-type caliper brake 5 is installed in the diagonal positions of car 1 or car frame side beam, acts on braking T type rail I 14b.Other structure is with the Fig. 1 among the embodiment 1 (A).
In addition, the various machine operation air gaps described in the embodiment 1 are taken turns detent mechanism more, as Fig. 1 (B～I), be equally applicable to embodiment 3.
As shown in Figure 5, the direct-drive type gig of band boosting-type caliper brake, described boosting-type caliper brake 5 is installed in the diagonal positions of car 1 or car frame side beam, and symmetric arrangement acts on braking T type rail I 14b.The arrangement of these embodiment 4 boosting-type caliper brakes 5, it is synchronous to help working of brakes.Other structure is with the Fig. 1 among the embodiment 1 (A).
In addition, the various machine operation air gaps described in the embodiment 1 are taken turns detent mechanism more, as Fig. 1 (B～I), be equally applicable to embodiment 4.
As shown in Figure 6, the direct-drive type gig of band boosting-type caliper brake, described detent mechanism comprises two parts, takes turns the detent mechanism except that the machine operation air gap more, other is provided with the car detent mechanism.Described car detent mechanism is made up of 3 car positioning rollers (12a, 12b, 12c) that are fixed on the band spring bumper 13 on car 1 or the car frame side beam and the guiding T type rail 14a that is fixed on the vertical pit shaft 10 inwall mounting bases.Described boosting-type caliper brake 5 is installed in the diagonal positions of car 1 or car frame side beam, acts on braking T type rail I 14b.Other structure is with the Fig. 1 among the embodiment 1 (A).
In addition, the various machine operation air gaps described in the embodiment 1 are taken turns detent mechanism more, as Fig. 1 (B～I), be equally applicable to embodiment 5.
Embodiment 6
As shown in Figure 7, the direct-drive type gig of band boosting-type caliper brake, T-shape fixed beam 11b is fixed on the mounting base of vertical pit shaft 10 inwalls, the part that car frame 4 stretches out car 1 side is " U " type, become cross-like with the T-shape fixed beam, between car frame 4 and the T-shape fixed beam lifting linear electric motors are set.Described boosting-type caliper brake 5 is installed in the diagonal positions of car 1 or car frame side beam, acts on braking T type rail I 14b.Described detent mechanism is that the machine operation air gap is taken turns detent mechanism more, by the air gap location guide wheel 7d that is provided with, is distributed between T-shape fixed beam 11b and the car frame 4, and be provided with, be distributed on the car frame 4, along the anti-motor primary and secondary dislocation location guide wheel 8c composition of T-shape fixed beam 11b top-side operation.Described air gap location guide wheel 7d is positioned at the both sides of linear electric motors elementary 2, adopts bilateral two-wheel structure.Between air gap location guide wheel 7d and the car frame 4 is that elasticity is connected.Other structure is with the Fig. 1 among the embodiment 1 (A).
Embodiment 7
As shown in Figure 8, the direct-drive type gig of band boosting-type caliper brake, described detent mechanism comprises two parts, takes turns the detent mechanism except that the machine operation air gap more, other is provided with the car detent mechanism.Described car detent mechanism is made up of 3 car positioning rollers (12a, 12b, 12c) that are fixed on the band spring bumper 13 on car 1 or the car frame side beam and the guiding T type rail 14a that is fixed on the vertical pit shaft 10 inwall mounting bases.Other structure is with embodiment 6.
Embodiment 8
As shown in Figure 9, the direct-drive type gig of band boosting-type caliper brake, " U " type fixed beam 11a is fixed on the mounting base of vertical pit shaft 10 inwalls, and motor erecting frame 16 is installed in the side of the car frame 4 of car 1 lateral parts, and 11a becomes cross-like with " U " type fixed beam.Between described motor erecting frame 16 and " U " type fixed beam 11a lifting linear electric motors are set.Described lifting linear electric motors are positioned at a side of the car frame 4 of car 1 lateral parts.Vertically the middle of pit shaft 10 inwall mounting bases is provided with braking, guiding is used T type rail II 14c with, is used for the braking and the guiding of car.Described boosting-type caliper brake 5 is installed on the car frame 4 of car 1 summit portion, acts on braking, leads and use T type rail II 14c with.Described detent mechanism has two parts, takes turns the detent mechanism except that the machine operation air gap more, and other is provided with the car detent mechanism.Described car detent mechanism is used with T type rail II 14c and is formed by braking, the guiding the leading boots 15 and be fixed on the vertical pit shaft 10 inwall mounting bases that are fixed on the car 1.Other structure is with the Fig. 1 among the embodiment 1 (A).
In addition, the various machine operation air gaps described in the embodiment 1 are taken turns detent mechanism more, as Fig. 1 (B～I), be equally applicable to embodiment 8.
As shown in figure 10, the direct-drive type gig of band boosting-type caliper brake is provided with the lifting linear electric motors between motor erecting frame 16 and " U " type fixed beam 11a.Described lifting linear electric motors are positioned at the both sides of the car frame 4 of car 1 lateral parts, and diagonal line is arranged.Other structure is with embodiment 8.
As shown in figure 11, the direct-drive type gig of band boosting-type caliper brake, vertically the mounting base middle of pit shaft 10 inwalls is provided with braking T type rail I 14b.Described boosting-type caliper brake 5 is installed on the car frame 4 of car 1 summit portion, acts on braking T type rail I 14b.Described detent mechanism is taken turns the detent mechanism except that the machine operation air gap more, and other is provided with the car detent mechanism.Described car detent mechanism is made up of 3 car positioning rollers (12a, 12b, 12c) that are fixed on the band spring bumper 13 on car 1 or the car frame side beam and the guiding T type rail 14a that is fixed on the vertical pit shaft 10 inwall mounting bases.Other structure is with embodiment 9.
Embodiment 11
The direct-drive type gig scheme of three kinds of band boosting-type caliper brakes is provided as shown in figure 12, Figure 12 (A) is the whole cross-sectional schematic of described direct-drive type gig, and (B～C) is respectively described direct-drive type gig and Figure 12 (A) and takes turns partial schematic sectional view that detent mechanism and fixed beam adopt different schemes at the machine operation air gap more Figure 12.
Be example with Figure 12 (A) below, specifically be illustrated.
Shown in Figure 12 (A), the direct-drive type gig of band boosting-type caliper brake, " E " type fixed beam of being made up of three T type rails (14d, 14e, 14f) is fixed on the mounting base of vertical pit shaft 10 inwalls, and the car frame 4 of car 1 lateral parts becomes cross-like with " E " type fixed beam.Described lifting permanent-magnetism linear motor elementary 2 is fixed on the car frame 4 of car 1 lateral parts, and with the motion parts of the described direct-drive type gig of car 1 formation, described lifting permanent-magnetism linear motor secondary magnet 3 is fixed on the inboard of T type rail 14d and 14f.
Described boosting-type caliper brake 5 is installed on the car frame 4 of car 1 summit portion, acts on T type rail III 14e.
Described detent mechanism is used to guarantee the stable of machine operation air gap, is that the machine operation air gap is taken turns detent mechanism more, is provided with, is distributed between T type rail 14d, 14f and the car 1, is made of T type rail 14d, 14f and the boots 15 of leading that are installed on the car 1.
Different at Figure 12 (B), Figure 12 (C) with Figure 12's (A), further be illustrated.
Shown in Figure 12 (B), described detent mechanism setting, be distributed in the outside of T type rail 14d and 14f, form by location wheel carrier 6d and the air gap location guide wheel 7e and the anti-motor primary and secondary dislocation location guide wheel 8d that are installed on the wheel carrier 6d of location.Location wheel frame 6d is installed on the car frame 4 of car 1 lateral parts.Same Figure 12 of other structure (A).
Shown in Figure 12 (C), described " E " type fixed beam 11c is fixed on the mounting base of vertical pit shaft 10 inwalls, replaces " E " type fixed beam of being made up of three T type rails (14d, 14e, 14f).Same Figure 12 of other structure (A).
In addition, the machine operation air gap described in embodiment 11 Figure 12 (B) is taken turns detent mechanism more, is equally applicable to Figure 12 (C).
Embodiment 12
As shown in figure 13, the direct-drive type gig of band boosting-type caliper brake, T type rail 14e is a braking rail, is again guided way.Described detent mechanism has two parts, takes turns the detent mechanism except that the machine operation air gap more, and other is provided with the car detent mechanism.Described machine operation air gap is taken turns detent mechanism more, form by the air gap location guide wheel 7f and the anti-motor primary and secondary dislocation location guide wheel 8e that locate wheel carrier 6e and installation, be distributed on the wheel carrier 6e of location, locate wheel frame 6e and be installed on the car frame 4 of car 1 lateral parts.Described car detent mechanism is used with T type rail 14e and is formed by braking, the guiding the leading boots 15 and be fixed on the vertical pit shaft 10 inwall mounting bases that are fixed on the car 1.Described boosting-type caliper brake 5 with lead boots 15 and be installed on the varying level.Other structure is with the Figure 12 among the embodiment 11 (A).
In addition, the machine operation air gap described in the embodiment 11 is taken turns detent mechanism and fixed beam mode more, as Figure 12 (B～C), be equally applicable to embodiment 12.
The direct-drive type gig of band boosting-type caliper brake shown in Fig. 1～12, the described mode caliper brake 5 that increases is provided with the braking force-increasing mechanism and drives force-increasing mechanism, greatly reduces than existing specification, size similar or close drg, meanwhile, braking force but is able to significantly increase.Driving force-increasing mechanism can make power, size, the weight of pushing mechanisms such as electromagnet, spring be reduced greatly, can under very little propulsive effort, obtain braking force than big 1～2 order of magnitude of drg of common no force-increasing mechanism, quickly and reliably discharge brake shoe with assurance, and can significantly cut down the consumption of energy.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, and braking force is adjustable.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, and the characteristics that cost is low have reduced the deadweight of car effectively, improves the capacity weight of gig.Described boosting-type caliper brake in the caliper brake of force-increasing mechanism " band " patent that we have applied for, number of patent application: 200910203177.0.
The caliper brake specification sheets of this band force-increasing mechanism is as follows:
Embodiment A
As shown in figure 14, the caliper brake of band force-increasing mechanism, comprise pedestal 101, brake shoe jointed shaft 102, brake shoe 103, jointed shaft 106, braking force-increasing mechanism connecting rod 107, brake connecting rod jointed shaft 108, slide block 109, pushing mechanism 113 after the preceding jointed shaft 104 of swing arm, swing arm 105, the swing arm, orienting lug 114, retarding spring 115, retarding spring seat 116, brake bush 117, fixed block 118 are formed.Described pushing mechanism 113 is electromagnet, linear electric motors, electric pushrod, hydraulic push rod, Electrohydraulic push rod, air-leg or other pushing mechanism.
Electric lost working of brakes process:
The dead electricity braking procedure.With the pushing mechanism is that electromagnet is an example, but is not limited to electromagnet.Pushing mechanism 113 electromagnet dead electricity, the elastic energy that the electromagnet medi-spring stores discharges, the promotion push rod moves right, simultaneously, the elastic energy that is stored in the retarding spring 115 discharges, and promotes slide block 109 and moves right, and slide block 109 promotes braking reinforcement connecting rod mechanism connecting rod 107 and rotates counterclockwise, connecting rod 107 promotes lock arm 105 and rotates counterclockwise around jointed shaft 104, and brake bush 117 is pushed down braking rail on the brake shoe 103.
Braking force is directly proportional with retarding spring power, is inversely proportional to the tangent of braking force-increasing mechanism connecting rod 107 with the vertical angle, is directly proportional with arm of force ratio.Angle is more little, and braking force is big more, otherwise then more little.
Get electric dispose procedure.With the pushing mechanism is that electromagnet is an example, but is not limited to electromagnet.Pushing mechanism 113 electromagnet get, the promotion push rod is moved to the left, the electromagnet medi-spring is compressed, promoting slide block 109 is moved to the left, retarding spring 115 is compressed simultaneously, slide block 109 promotes braking reinforcement connecting rod mechanism connecting rod 107 and clockwise rotates, and connecting rod 107 promotes lock arm 105 and clockwise rotates around jointed shaft 104, and brake bush 117 breaks away from braking rail on the brake shoe 103.
Release force is directly proportional with the propulsive effort of electromagnet, is inversely proportional to the tangent of force-increasing mechanism connecting rod 107 with the vertical angle, is directly proportional with arm of force ratio.Angle is more little, and release force is big more, otherwise then more little.
Similar principle of work, can with above-mentioned dead electricity braking procedure and electric dispose procedure changes into to such an extent that electric braking and dead electricity discharge respectively, thereby make described drg become electric formula drg.
Embodiment B
As shown in figure 15, the caliper brake of the two force-increasing mechanisms of band, comprise pedestal 101, brake shoe jointed shaft 102, brake shoe 103, jointed shaft 106, braking force-increasing mechanism connecting rod 107, brake connecting rod jointed shaft 108, slide block 109, driving force-increasing mechanism rod hinge connection axle 110, driving force-increasing mechanism connecting rod 111, electromagnet jointed shaft 112, pushing mechanism 113, retarding spring 115, retarding spring seat 116, brake bush 117, fixed block II 119, fixed block III 120 form after the preceding jointed shaft 104 of swing arm, swing arm 105, the swing arm.
Electric lost working of brakes process:
The dead electricity braking procedure.With the pushing mechanism is that electromagnet is an example, but is not limited to electromagnet.Pushing mechanism 113 electromagnet dead electricity, the elastic energy that the electromagnet medi-spring stores discharges, the promotion push rod moves down, simultaneously, the elastic energy that is stored in the retarding spring 115 discharges, and promotes slide block 109 and moves right, and slide block 109 promotes braking reinforcement connecting rod mechanism connecting rod 107 and rotates counterclockwise, connecting rod 107 promotes lock arm 105 and rotates counterclockwise around jointed shaft 104, and brake bush 117 is pushed down braking rail on the brake shoe 103.
Braking force is directly proportional with retarding spring power, is inversely proportional to the tangent of braking force-increasing mechanism connecting rod and vertical angle and the product of the tangent that drives force-increasing mechanism connecting rod and horizontal direction angle, is directly proportional with arm of force ratio.Two angles are more little, and the product of the tangent of two angles is just more little, and braking force is just big more, otherwise then more little.
Get electric dispose procedure.With the pushing mechanism is that electromagnet is an example, but is not limited to electromagnet.Pushing mechanism 113 electromagnet get, the promotion push rod moves up, the electromagnet medi-spring is compressed, simultaneously, connecting rod 111 rotates counterclockwise in the driving force-increasing mechanism, promotes slide block 109 and is moved to the left, retarding spring 115 is compressed simultaneously, slide block 109 promotes braking reinforcement connecting rod mechanism connecting rod 107 and clockwise rotates, and connecting rod 107 promotes lock arm 105 and clockwise rotates around jointed shaft 104, and brake bush 117 breaks away from braking rail on the brake shoe 103.
Release force is directly proportional with the propulsive effort of electromagnet, is inversely proportional to the tangent of braking force-increasing mechanism connecting rod and vertical angle and the product of the tangent that drives force-increasing mechanism connecting rod and horizontal direction angle, is directly proportional with arm of force ratio.Two angles are more little, and the product of the tangent of two angles is just more little, and release force is just big more, otherwise then more little.
Similar principle of work, can with above-mentioned dead electricity braking procedure and electric dispose procedure changes into to such an extent that electric braking and dead electricity discharge respectively, thereby make described drg become electric formula drg.
Embodiment C
As shown in figure 16, the two-way caliper brake of the two force-increasing mechanisms of band.Symmetric arrangement on the Embodiment B basis becomes the bi-directional brake with many force-increasing mechanisms synchronous working.Other connects same Embodiment B.
Embodiment D
As shown in figure 17, the caliper brake of band force-increasing mechanism, fixed block II 119 is fixed on the pedestal 101, and pushing mechanism 113 is installed on the fixed block II 119, and other connects same embodiment A.
Embodiment E
As shown in figure 18, the caliper brake of the two force-increasing mechanisms of band, fixed block I 118 is fixed on the pedestal 101, and retarding spring seat 116 is installed on the fixed block I 118, and swing arm 105 is hinged with otic placode on the fixed block I 118 and the preceding jointed shaft 104 of swing arm by the otic placode of himself.Other connects same Embodiment B.
Embodiment F
As shown in figure 19, the caliper brake of the two force-increasing mechanisms of band, fixed block I 118, orienting lug 114 are fixed on the pedestal 101, and retarding spring seat 116 is installed on the fixed block I 118, and swing arm 105 is hinged with otic placode on the fixed block I 118 and the preceding jointed shaft 104 of swing arm by the otic placode of himself.Other connects same Embodiment C.
Claims (10)
1. direct-drive type gig with the boosting-type caliper brake, comprise vertical pit shaft (10), car (1), car frame (4) and safety tongs, fixed beam is installed on the mounting base of vertical pit shaft (10) inwall, car frame is around car and stretch out cage side, fixed beam and car frame are provided with the lifting linear electric motors between (4), it is characterized in that: described direct-drive type gig is provided with boosting-type caliper brake (5) and detent mechanism, comprises that the machine operation air gap takes turns detent mechanism and car detent mechanism more.
2. according to the direct-drive type gig of the described band boosting-type of claim 1 caliper brake, it is characterized in that: described lifting linear electric motors adopt slim-lined construction, constitute by linear electric motors elementary (2) and linear electric motors secondary magnet (3), the stator of linear electric motors adopts decides the secondary or fixed secondary secondary short pri stator arrangement mode of length of the long elementary weak point of pri, the mover of linear electric motors adopts the secondary long pri mover arrangement of the short secondary or moving secondary weak point of elementary length of moving pri, mover is made up of one section or multistage, and every section mover adopts affixed or the pivotally attached mode links to each other with car frame (4).
3. according to the direct-drive type gig of the described band boosting-type of claim 1 caliper brake, it is characterized in that: described fixed beam is " U " type or T-shape, is " U " type fixed beam (11a) or the T-shape fixed beam (11b) that is fixed on vertical pit shaft (10) the inwall mounting base.
4. according to the direct-drive type gig of the described band boosting-type of claim 3 caliper brake, it is characterized in that: described boosting-type caliper brake (5) is installed on the car frame (4), acts on the lateral surface of " U " type fixed beam (11a); Perhaps be installed in the diagonal positions of car (1), act on braking T type rail I (14b); Perhaps be installed on the car frame (4), act on braking, lead and use T type rail II (14c) with.
5. according to the direct-drive type gig of the described band boosting-type of claim 1 caliper brake, it is characterized in that: described fixed beam is " E " type, form by the three T type rails (14d, 14e, 14f) that are fixed on vertical pit shaft (10) the inwall mounting base, or be fixed on " E " type fixed beam (11c) on vertical pit shaft (10) the inwall mounting base.
6. according to the direct-drive type gig of the described band boosting-type of claim 5 caliper brake, it is characterized in that: described boosting-type caliper brake (5) is installed on the car frame (4), acts on T type rail III (14e).
7. according to the direct-drive type gig of the described band boosting-type of claim 1～6 caliper brake, it is characterized in that: provide electric mover, car (1) by supply cable, power rail contact or the no touch mode that is fixed on vertical pit shaft (10) inwall, and the power supply of boosting-type caliper brake (5).
8. according to the direct-drive type gig of the described band boosting-type of claim 1～6 caliper brake, it is characterized in that: described machine operation air gap takes turns detent mechanism more and the car detent mechanism adopts rolling or sliding and running mode, the machine operation air gap is taken turns detent mechanism more, be arranged at fixed beam and car frame (4) or and car (1) or and car frame side beam between, the car detent mechanism is arranged between car (1) or car frame side beam and the T type rail (14a, 14c, 14e).
9. the direct-drive type gig of described according to Claim 8 band boosting-type caliper brake, it is characterized in that: described machine operation air gap is taken turns detent mechanism more, be arranged at the end or the fixed beam outside that promote electric mover, be to be installed in car (1) by location wheel carrier (6a) to go up or be directly installed on the above air gap positioning roller of two couples (9) on the car frame (4), perhaps go up or be fixed on the location wheel carrier on the car frame (4) and be installed in guide wheel formation in location more than two couple who locatees on the wheel carrier, perhaps by T type rail (14d by being fixed on car (1), 14f) lead boots (15) formation on the car (1) with being installed in.
10. the direct-drive type gig of described according to Claim 8 band boosting-type caliper brake, it is characterized in that: described car detent mechanism is installed in the diagonal positions of car (1) or car frame side beam, is made up of car positioning roller (12a, 12b, 12c) that is fixed on the band spring buffer mechanism (13) on the car (1) and the guiding T type rail (14a) that is fixed on vertical pit shaft (10) the inwall mounting base; Perhaps be installed in the position, middle of car (1), use T type rail (14c, 14e) with and form by braking, the guiding the leading boots (15) and be fixed on vertical pit shaft (10) the inwall mounting base that are fixed on the car (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102068436A CN102040139A (en) | 2009-10-15 | 2009-10-15 | Direct drive type hoist with boosting caliper brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102068436A CN102040139A (en) | 2009-10-15 | 2009-10-15 | Direct drive type hoist with boosting caliper brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102040139A true CN102040139A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102068436A Pending CN102040139A (en) | 2009-10-15 | 2009-10-15 | Direct drive type hoist with boosting caliper brake |
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|---|---|
| CN (1) | CN102040139A (en) |
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Application publication date: 20110504 |