CN102344087B - Brake apparatus for passenger conveyor - Google Patents

Brake apparatus for passenger conveyor Download PDF

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Publication number
CN102344087B
CN102344087B CN201110082251.5A CN201110082251A CN102344087B CN 102344087 B CN102344087 B CN 102344087B CN 201110082251 A CN201110082251 A CN 201110082251A CN 102344087 B CN102344087 B CN 102344087B
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CN
China
Prior art keywords
mentioned
swivel
holding member
sprocket wheel
clamp
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Expired - Fee Related
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CN201110082251.5A
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Chinese (zh)
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CN102344087A (en
Inventor
石川佳延
岩井俊宪
菊池孝幸
村上伸
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Toshiba Elevator and Building Systems Corp
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Toshiba Elevator Co Ltd
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Publication of CN102344087A publication Critical patent/CN102344087A/en
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Publication of CN102344087B publication Critical patent/CN102344087B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The implementing mode of the invention relates to a brake apparatus for a passenger conveyor. The invention aims at providing a brake apparatus for a passenger conveyor facilitating the strength adjustment of a friction member clamping rotating body. The brake apparatus comprises: a board-shaped rotating body (52) which is provided with a plurality of buckling parts around the rotating center and is connected with a chain wheel (20) arranged with a stair-like chain (14) and rotates with the chain wheel (20) together, and calipers (70) which clamp the rotating body (52) via a pair of friction members (73, 75) and connect the rotating body (52) with the chain wheel (20). A plurality of calipers (70) are fixed upon the chain wheel (20) surrounding the rotating center in a spaced manner.

Description

The brake equipment of passenger conveyors
The present invention is based on application number is 2010-168027, the applying date to be the Japanese patent application on July 27th, 2010, and requires to enjoy its preceence, and all the elements of this formerly patent application are by reference to comprising in this application.
Technical field
Embodiments of the present invention relate to a kind of brake equipment of passenger conveyors.
Background technology
Escalator as an example of passenger conveyors, is being provided with the upper layer side that structure is set and the lower layer side of escalator, respectively disposes two sprocket wheels on same axle center, sets up two step chains that are positioned at parallel position between these sprocket wheels.On two step chains, link the both ends that have a plurality of steps.
Among upper layer side and lower layer side, a certain side disposes the drive divisions such as motor, transmit chain and pass to sprocket wheel, and sprocket wheel is driven in rotation from the propulsive effort of drive division via propulsive effort.By sprocket wheel, be driven in rotation, be erected at the step chain loopy moving between this sprocket wheel and other sprocket wheels, take advantage of the user who is loaded on step to be transported to upper strata from lower floor, or transport to lower floor from upper strata.
In such escalator, in order to prevent, just in case there is propulsive effort, transmit the accident that chain disconnects, because taking advantage of the weight that is loaded in the user on step, step and step chain are out of control and rush at lower layer side, are sometimes provided with the brake equipment of the passenger conveyors of the rotation that stops sprocket wheel.
This brake equipment, in the situation that the disconnection of propulsive effort transmission chain being detected, moves movable plate according to testing result, and makes the movable plate being moved be fastened on the tooth portion of the swivel together rotating with sprocket wheel and stop sprocket wheel rotation.By stoping the rotation of sprocket wheel, stop the loopy moving that is erected at the step chain between this sprocket wheel and other sprocket wheels, stop step chain and step out of control and rush at lower layer side.
In brake equipment as above, by movable plate, be engaged to the tooth portion of swivel, be attached at thus the state that sprocket wheel on swivel becomes emergency braking, when step chain and step emergent stopping, take advantage of the user who is loaded on step likely can fall.
Therefore, following brake equipment has been proposed: by clamp swivel via friction means in the mode that can slide on sprocket wheel, thereby when movable plate is engaged to tooth portion, when swivel effect is stipulated to the braking force of above larger, swivel and flange are relatively slided, thereby prevent step chain and step emergent stopping.
Summary of the invention
In the brake equipment of passenger conveyors as above, when larger braking force to more than swivel effect regulation, make swivel and flange relative sliding, and after swivel stops, needing swivel can not slide and the rotation of prevention sprocket wheel with respect to flange.Therefore, the power that is located at the friction means clamping swivel on sprocket wheel need to be set in specialized range, the sliding-frictional resistance between friction means and swivel is set in specialized range.
Therefore, the object of the present invention is to provide a kind of brake equipment of passenger conveyors of power of easy adjusting friction means clamping swivel.
The brake equipment of the passenger conveyors of embodiment, it is characterized in that possessing: tabular swivel, has a plurality of engagement sections around at centre of gration, link and together rotate with above-mentioned sprocket wheel with the sprocket wheel that sets up the step chain of ring-type, this step chain links step and loopy moving; Engaging body, is configured to move to the retreating position engaging of the clamped position that engages with above-mentioned engagement section and avoidance and above-mentioned engagement section; Testing agency, detects loopy moving state abnormal of above-mentioned step chain; Travel mechanism, according to the testing result of above-mentioned testing agency, makes above-mentioned engaging body move to above-mentioned clamped position from above-mentioned retreating position; And clamp (caliper), via a pair of friction means, clamp above-mentioned swivel, above-mentioned swivel and above-mentioned sprocket wheel are linked; A plurality of above-mentioned clamp devices spaced apart around centre of gration is fixed on above-mentioned sprocket wheel.
Accompanying drawing explanation
Fig. 1 means the lateral plan of integrally-built summary of escalator of the brake equipment of the passenger conveyors with an embodiment.
Fig. 2 means the partial section of the structure of the upper layer side that is provided with brake equipment in the passenger conveyors shown in Fig. 1.
Fig. 3 means the swivel of brake equipment and the birds-eye view of clamp of an embodiment.
Fig. 4 means the swivel of brake equipment and the block diagram of clamp of an embodiment.
Fig. 5 amplifies by the main portion of Fig. 2 the figure representing.
Fig. 6 is the A-A section drawing of Fig. 3.
Fig. 7 means the block diagram of control structure of the brake equipment of an embodiment.
The specific embodiment
Below, with reference to accompanying drawing, an embodiment of the invention are described.
The brake equipment 50 of the passenger conveyors of an embodiment of the invention is for example located on escalator, and this escalator is across the levels of building and be obliquely installed.This passenger conveyors 10 as shown in Figure 1, by making a plurality of steps 12 loopy moving between the stopping port of upper layer side and the stopping port of lower layer side, by carry step 12 Shang ?visitor's conveyance between the upper and lower.
A plurality of steps 12 link by the step chain 14 of ring-type, and are configured in the main frame 16 that is called truss, and this main frame 16 is arranged under the floor of building.In the both sides, top of main frame 16, along the moving direction of step 12, erect and be provided with a pair of railing 30, in the surrounding of railing 30, banded moving hand-rail 32 is installed.
Upper layer side in main frame 16 inside disposes: S. A. 18; A pair of sprocket wheel 20 (being expressed as required 20a, 20b) with S. A. 18 links; And the actuating device 22 that possesses CD-ROM drive motor and reductor.The pair of sprocket 26 that lower layer side in main frame 16 inside disposes S. A. 24 and links with S. A. 24.
Between the sprocket wheel 20 of upper layer side and the sprocket wheel 26 of lower layer side, set up step chain 14, along with the rotation of sprocket wheel 20,26, step chain 14 is loopy moving between sprocket wheel 20,26, step 12 also with step chain 14 loopy moving integratedly.
As shown in Figure 2, the two ends of S. A. 18 are supported by bearing 28 axles, and bearing 28 is arranged on main frame 16.On the outer peripheral face of S. A. 18, by being welded with a pair of installation portion 17,19 of the both end sides that is positioned at S. A. 18.
On an installation portion 17, by bolted, in mode that can dismounting, be fixed with a sprocket wheel 20a.Sprocket wheel 20a is split into main part 20aa and pedestal 20ab, and this main part 20aa possesses the tooth portion with step chain 14 engagements, and this pedestal 20ab is set as ring-type.By bolted, fix main part 20a and pedestal 20ab.On this sprocket wheel 20a, by bolted take can dismounting mode be fixed with a plurality of (being 3 in the present embodiment) clamp 70 of a part that forms brake equipment 50.
On another installation portion 19, by bolted, in mode that can dismounting, be fixed with another sprocket wheel 20b.Sprocket wheel 20b and sprocket wheel 20a are same, are split into main part 20ba and pedestal 20bb, and this main part 20ba has the tooth portion with step chain 14 engagements, and this pedestal 20bb is set as ring-type, by bolted, fixes main part 20ba and pedestal 20bb.On this sprocket wheel 20b, by bolted, in mode that can dismounting, be fixed with and drive with sprocket wheel 34.
Driving with on sprocket wheel 34, and be fixed on and between the sprocket wheel 25 on the axle drive shaft 23 of actuating device 22, set up propulsive effort and transmit chain 40, be arranged to rotate integratedly with S. A. 18.
The brake equipment 50 arranging in passenger conveyors 10 as above, as shown in Figure 3 and 4, possesses: the swivel 52 together rotating with sprocket wheel 20a; By bolted, be fixed on a plurality of clamp 70 on sprocket wheel 20a; The engaging body 56 engaging with swivel 52; Make to engage the travel mechanism 58 that body 56 moves between retreating position described later and clamped position; And the abnormal testing agency 60 of detecting the loopy moving state of step chain 14.
Particularly, swivel 52 is the annular plate-shaped members that formed by metallic materials such as steel (such as SS400), and the S. A. 18 of take is configured to the concentric shape with sprocket wheel 20a as centre of gration.On the outer peripheral face of swivel 52, at centre of gration, be formed with a plurality of engagement sections 62 around.That is, a plurality of engagement sections 62 devices spaced apart on the circumferencial direction of swivel 52 forms, and is formed on the same circumference centered by S. A. 18.
As shown in Figures 3 and 4, clamp 70 (on the same circumference centered by S. A. 18) around the centre of gration of the swivel 52 together rotating with sprocket wheel 20a separate predetermined distance and dispose a plurality of, in the present embodiment, 3 clamp 70 uniformly-spaced configure on the circumferencial direction of swivel 52 (every 120 °).
As shown in Figures 5 and 6, clamp 70 possess and clip the side 52a of swivel 52 and the first holding member 72 and second holding member 74 of arranged opposite.
The first holding member 72 with opposed of the second holding member 74 on, be equipped with the friction means 73 with the side 52a butt of swivel 52.The first holding member 72 is fixed on the pedestal 20ab of sprocket wheel 20a in mode that can dismounting by bolted.
The second holding member 74 with opposed of the first holding member 72 on, be equipped with the friction means 75 with the side 52a butt of swivel 52.On the second holding member 74, be provided with for inserting the inserting hole 76 of logical bolt 77.Between the second holding member 74 and bolt 77, clamped under the state as elastomeric disk spring 79, inserted the bolt 77 leading in inserting hole 76 and the female threaded portion 78 being located on the first holding member 72 and screw togather.Thus, the second holding member 74 links via disk spring 79 and the first holding member 72, by the fastening amount of adjusting bolt 77, thus can be with desirable fastening force, the second holding member 74 utilize disk spring 79 elasticity and to axially movable while of bolt 77, link with mode and the first holding member 72 that can dismounting.In the present embodiment, in the inner side of the swivel 52 of ring-type, by the recuperability of disk spring 79, the second holding member 74 is clamped between the first holding member 72 and bolt 77.
In addition, as shown in Fig. 3, Fig. 4, Fig. 6, on the second holding member 74, leaning on radially inner side than the position being fixed on by bolt 77 on the first holding member 72, be provided with a plurality of towards the outstanding locking pin 80 of the first maintaining part 72 (being in the present embodiment 2).Each locks pin 80 and embeds in recess 81 and lock on the first holding member 72, and this recess 81 is located on the position corresponding with the first holding member 72.
Under the state that the second holding member 74 is fixing with respect to the first holding member 72 like this, by friction means 73 and the side 52a that is equipped on the friction means 75 clamping swiveies 52 on the second holding member 74 by being equipped on the first holding member 72, swivel 52 links with sprocket wheel 20a thus, and together rotates with sprocket wheel 20a.
In addition, as shown in Figure 3 and Figure 4, on the first holding member 72, by bolted, in mode that can dismounting, be fixed with a pair of guide member 82, this guide member 82 is to clamp mode and second holding member 74 butts of the second holding member 74 on the hand of rotation at swivel 52.
Guide member 82 is plate-shaped members, by the metallic material that is different from the material that forms swivel 52, such as friction coefficient, than metallic materials such as the little copper of the material that forms swivel 52 or the alloys of cupric, forms.
Sidepiece at guide member 82 is provided with: with the bearing surface 82a of the second holding member 74 butts; With can contact with the inner peripheral surface 52b face of swivel 52, be arranged to circular-arc a plurality of (being in the present embodiment 2) sliding surface 82b.
Guide member 82 under the state being fixed on the first holding member 72, bearing surface 82a and the second holding member 74 butts, and sliding surface 82b contacts with the inner peripheral surface 52b face of swivel 52.And, when the sprocket wheel 20a of fixed caliper 70 and swivel 52 are relatively in rotary moving, the inner peripheral surface 52b of swivel 52 and the sliding surface 82b of guide member 82 slide, and guide member 82 guides swiveies 52 thus, so that swivel 52 rotates centered by S. A. 18.
In addition, in the present embodiment, be located at 2 sliding surface 82b of the sidepiece of guide member 82, with respect to the face vertical with bearing surface 82a, become symmetrically.By guide member 82 is set like this, bearing surface 82a butt the second holding member 74 thus, and work as from guide member 82 being fixed on to the state the first holding member 72 with a sliding surface 82b with the mode that the inner peripheral surface 52b face of swivel 52 contacts, when guide member 82 upsets are made to bearing surface 82a and the second holding member 74 butts and are again fixed on the first holding member 72, another sliding surface 82b contacts with the inner peripheral surface 52b of swivel 52.That is, guide member 82 is set to: the surperficial back side by switching and booting parts 82 is also arranged on the first holding member 72, can switch thus and has the sliding surface 82b of 2 and it is contacted with the inner peripheral surface 52b face of swivel 52.
Engaging body 56 is arranged on the opposed position, engagement section 62 with swivel 52.Engaging body 56 is arranged to take fulcrum 64 as fulcrum rotates, and in Fig. 3, between the retreating position shown in the clamped position shown in dummy line and solid line, rotates.Clamped position shown in dummy line is the position that engaging body 56 engages with engagement section 62, and by this engaging, restricting rotation body 52 is to arrow B direction rotation.Retreating position shown in solid line is the position of avoiding engaging body 56 and engagement section 62 engagings, and swivel 52 is not engaged the restriction of body 56 and can rotate.
On engaging body 56, the force bodies (not shown) such as travel mechanism 58 and extension spring have been linked, travel mechanism 58 makes to engage body 56 and rotates and move between retreating position and clamped position, and this force body will engage body 56 to the direction application of force that remains on retreating position.
Travel mechanism 58 for example possesses screw actuator, and in the time of conventionally, cutting off energising becomes off condition, and engaging body 56 remains on retreating position by the power that applies of force body.In addition, when abnormal generation described later, to screw actuator energising, form as conducting state, travel mechanism 58 overcomes the applying power of force body and makes to engage body 56 and turn to the clamped position shown in dummy line.
Loopy moving state abnormal of step chains 14 detects in testing agency 60, such as comprising that detecting propulsive effort transmits the mechanism of the situation that chain 40 cuts off and become the mechanism of the situation of the state of overrunning, detect the mechanism etc., the well known organization extremely detecting to the loopy moving state of step chain 14 of situation of the moving direction upset of step 12, detect the moving velocity of step 12.When testing agency 60 detects loopy moving state abnormal of step chain 14, by from control part 66Xiang travel mechanism 58 output drive signals, travel mechanism 58 becomes conducting state (with reference to Fig. 7) thus.
In such structure, passenger conveyors 10 is by the driven control of actuating device 22, and the axle drive shaft 23 of actuating device 22 and the sprocket wheel 25 being fixed on axle drive shaft 23 rotate.The rotation of sprocket wheel 25 is transmitted chain 40 via propulsive effort and is delivered to sprocket wheel 34 for driving, drives with sprocket wheel 34 rotations.By driving sprocket wheel 34 rotations, use sprocket wheel 34 together with driving, sprocket wheel 20a, 20b and S. A. 18 rotate integratedly.By sprocket wheel 20a, 20b, rotate, to step chain 14 transmission of drive force with sprocket wheel 20a, 20b engagement, a plurality of steps 12 that linked by step chain 14 are by guide rail (not shown) guiding, loopy moving between the stopping port of upper layer side and the stopping port of lower layer side.
As mentioned above, in the running of a plurality of steps 12 passenger conveyors 10 of loopy moving between the stopping port of upper layer side and the stopping port of lower layer side, whether testing agency's 60 detections have occurred abnormal in the loopy moving state of step chain 14.In the situation that testing agency 60 does not detect loopy moving state abnormal of step chain 14, travel mechanism 58 is positioned at off condition, and engaging body 56 is positioned at the retreating position shown in solid line in Fig. 3.Therefore, step chain 14 and step 12 are not engaged the restriction of body 56 and are carried out loopy moving.
In addition, in the situation that testing agency 60 detects loopy moving state abnormal of step chain 14, from testing agency 60 to control part 66 input anomaly detection signals, brake equipment 50 actions.That is,, when to control part 66 input anomaly detection signal, from control part 66Dui travel mechanism 58 output control signals, travel mechanism 58 becomes conducting state.Thus, engaging body 56 retreating position shown in solid line from Fig. 3 rotates to the clamped position shown in long and two-short dash line, and is engaged to the engagement section 62 of swivel 52.
When engaging body 56 is engaged to the engagement section 62 of swivel 52, the rotation of swivel 52 is limited, the power to the sprocket wheel 20a effect restricting rotation with swivel 52 links.
In the brake equipment 50 of present embodiment, by being located at a pair of friction means 73,75 on clamp 70, clamp the side 52a of swivel 52, swivel 52 and sprocket wheel 20a link thus, therefore sprocket wheel 20a overcomes by its force of inertia the friction force producing between friction means 73,75 and the side 52a of swivel 52 and continues rotation, can together not stop the rotation immediately with swivel 52.That is, even the rotation of swivel 52 is stopped along with the start of brake equipment 50 by engaging body 56, during certain, the clamp 70 that are fixed on sprocket wheel 20a are also rotated, and clamp 70 and swivel 52 are relatively in rotary moving.
And sprocket wheel 20a slows down (braking) by the cliding friction between friction means 73,75 and swivel 52, stops afterwards.Along with stopping of sprocket wheel 20a, the loopy moving of step chain 14 and step 12 stops.
As previously discussed, in the brake equipment 50 of the passenger conveyors of present embodiment, when testing agency 60 detects loopy moving state abnormal of step chain 14, by the rotation by engaging body 56 restricting rotation bodies 52, can make the loopy moving of step chain 14 and step 12 stop, can preventing that step chain 14 and step 12 are out of control and rush at lower layer side.
In addition, in the brake equipment 50 of present embodiment, clamp 70 are via the side 52a of friction means 73,75 clamping swiveies 52, link thus sprocket wheel 20a and swivel 52, therefore in the situation that limited the rotation of swivel 52 by engaging body 56, sprocket wheel 20a can not stop the rotation immediately, while but slowed down and rotated by the cliding friction producing between friction means 73,75 and swivel 52.Therefore, even if brake equipment 50 action also can not make step chain 14 and step 12 emergent stoppings and slowly stops, can preventing to take advantage of be loaded in step 12 Shang ?visitor's accident of falling.
And, in the brake equipment 50 of present embodiment, the clamp 70 that sprocket wheel 20a is braked, with the concentric shape of sprocket wheel 20a the centre of gration of the swivel 52 that configures around separate predetermined distance dispose a plurality of, can be to a plurality of clamp 70 fastening amount of adjusting bolt 77 individually respectively.Therefore, for swivel 52, the first holding member 72, the second holding member 74, friction means 73,75 and sprocket wheel 20a etc., even the size of thickness direction (i.e. the direction vertical with the plane of revolution of sprocket wheel 20a), how much there is deviation in (circumferencial direction of swivel 52) around the S. A. of swivel 52, by the fastening amount to a plurality of clamp 70 adjusting bolts 77 respectively, can set equably fastening force around at S. A., can easily the power that is located at the side 52a of friction means 73, the 75 clamping swiveies 52 on clamp 70 be adjusted to desirable size.
And, in the brake equipment 50 of present embodiment, clamp 70 are in the centre of gration devices spaced apart configuration around of swivel 52, so can cooling swivel 52, the heat producing due to the cliding friction of friction means 73,75 and swivel 52 when swivel 52 is in rotary moving with respect to clamp 70 is dispelled the heat, can carry out stable braking to swivel 52 relative in rotary moving.
And, in the brake equipment 50 of present embodiment, at the S. A. of swivel 52, configure 3 clamp 70 around, and in the side 52 of 3 positions clamping swiveies 52, thus can by clamp 70 simple and reliable clamp swivel 52.
; S. A. at swivel 52 configures 2 clamp 70 around; and in the situation that the side 52a of two position clamping swiveies 52; when the rotation by engaging body 56 restricting rotation bodies 52 etc., swivel 52 has can take the straight line of 2 clamp 70 connecting clamping swivel 52 as axle is around this axle rotation.
In addition, S. A. at swivel 52 configures more than 4 clamp 70 around, and in the situation that 4 side 52a with upper part clamping swivel 52, swivel 52, the first holding member 72, the second holding member 74, friction means 73, 75 and the size of the thickness direction of sprocket wheel 20a etc. at S. A., there is deviation around, so be difficult to pass through the friction means 73 of clamp 70, the position of 75 clamping swiveies 52 is all configured in same plane, likely produce the clamp 70 that can not clamp with the power of desirable size swivel 52, and can not stably clamp swivel 52.
With respect to this, as the brake equipment 50 of present embodiment, S. A. at swivel 52 configures 3 clamp 70 around, and in the situation that the side 52a of 3 position clamping swiveies 52, the position of friction means 73, the 75 clamping swiveies 52 by clamp 70 must be configured in same plane, so each clamp 70 can clamp with the power of desirable size swivel 52, can stably clamp swivel 52.
In addition, in the brake equipment 50 of present embodiment, the clamp 70 of clamping swivel 52 possess the first holding member 72 that keeps a friction means 73 and the second holding member 74 that keeps another friction means 75, a plurality of locking pins 80 embeddings that are located on the second holding member 74 are located in the recess 81 on the first holding member 72, and the second holding member 74 engages on the first holding member 72 thus.So, the second holding member 74 locks on the first holding member 72 at a plurality of positions, so when swivel 52 is relatively in rotary moving with respect to sprocket wheel 20a, can suppresses the second holding member 74 and move to the hand of rotation of swivel 52.
And, in the position than the second holding member 74 being fixed on to position on the first holding member 72 or the side 52a by friction means 73,75 clamping swiveies 52 by bolt 77 by radially inner side, locking pin 80 embeds recess 81 and engages on the first holding member 72, therefore when binding bolt 77, the locking pin 80 of can take is fulcrum, the second holding member 72 is pressed to swivel 52 on the first holding member 72 via friction means 73,75, can stably clamp swivel 52.
In addition, in the brake equipment 50 of present embodiment, owing to possessing the guide member 82 of the sliding surface 82b contacting with the inner peripheral surface 52b face of swivel 52, be fixed on sprocket wheel 20a, so when swivel 52 is relatively in rotary moving with respect to sprocket wheel 20a, the inner peripheral surface 52b of swivel 52 and the sliding surface 82b of guide member 82 slide, can guide swivel 52 thus, so that swivel 52 rotates centered by S. A. 18.
And, because being provided on the hand of rotation of swivel 52, guide member 82 clamps the second holding member 74, so when swivel 52 is relatively in rotary moving with respect to sprocket wheel 20a, can suppresses the second holding member 74 and move to the hand of rotation of swivel 52.
In addition, guide member 82 possesses a plurality of sliding surface 82b that slide on the inner peripheral surface 52b of swivel 52, even so a sliding surface 82b slides and weares and teares on the inner peripheral surface 52b of swivel 52, also can make other sliding surfaces 82b slide on the inner peripheral surface 52b of swivel 52, can reduce the replacement frequency of guide member 82.
In addition, in the present embodiment, guide member 82 consists of the friction coefficient metallic material less than the material that forms swivel 52, resistance force diminishes when so the inner peripheral surface 52b of swivel 52 slides with respect to guide member 82, and the relative rotation of induction sprocket 20a and swivel 52 smoothly can suppress burn-back between guide member 82 and swivel 52.
Above, as the concrete example of having applied the brake equipment of passenger conveyors of the present invention, enumerate above-mentioned embodiment and carried out specific description, but technical scope of the present invention is not limited to disclosed technology item in the explanation of embodiment, also comprise take above-mentioned disclosure as basis, use for reference variation and application examples that general technology general knowledge obviously can derive.

Claims (8)

1. a brake equipment for passenger conveyors, is characterized in that, possesses:
Tabular swivel, has a plurality of engagement sections around at centre of gration, links and together rotates with above-mentioned sprocket wheel with the sprocket wheel that sets up the step chain of ring-type, and this step chain links step and loopy moving;
Engaging body, is configured to move to the retreating position engaging of the clamped position that engages with above-mentioned engagement section and avoidance and above-mentioned engagement section;
Testing agency, detects loopy moving state abnormal of above-mentioned step chain;
Travel mechanism, according to the testing result of above-mentioned testing agency, makes above-mentioned engaging body move to above-mentioned clamped position from above-mentioned retreating position; And
Clamp, clamp above-mentioned swivel via a pair of friction means, above-mentioned swivel and above-mentioned sprocket wheel linked,
A plurality of above-mentioned clamp devices spaced apart around centre of gration is fixed on above-mentioned sprocket wheel,
Above-mentioned clamp possess: the first holding member, be fixed on above-mentioned sprocket wheel, and keep a friction means; And second holding member, via elastic body and above-mentioned the first holding member, link, keep another friction means,
A pair of above-mentioned friction means clamps above-mentioned swivel by above-mentioned elastomeric recuperability,
Above-mentioned the second holding member possesses a plurality of locking pins that lock on above-mentioned the first holding member,
Above-mentioned a plurality of locking pin is arranged on above-mentioned the second holding member, and each locks pin and embeds in recess and lock on above-mentioned the first holding member,
Above-mentioned a plurality of locking pin is, on above-mentioned the second holding member, is arranged on than being bolted on position on above-mentioned the first holding member by radially inner side, and outstanding towards above-mentioned the first holding member, above-mentioned recess is located on above-mentioned the first holding member.
2. the brake equipment of passenger conveyors according to claim 1, is characterized in that,
3 above-mentioned clamp separate predetermined distance around at centre of gration and are fixed on above-mentioned sprocket wheel.
3. the brake equipment of passenger conveyors according to claim 1 and 2, is characterized in that,
Above-mentioned swivel is set as ring-type,
Above-mentioned brake equipment possesses guide member, and this guide member is fixed with respect to above-mentioned sprocket wheel, and contacts with the inner peripheral surface of above-mentioned swivel,
When above-mentioned swivel relatively rotates with respect to above-mentioned sprocket wheel, guide sections part guides the rotation of above-mentioned swivel.
4. the brake equipment of passenger conveyors according to claim 3, is characterized in that,
Guide sections part and above-mentioned clamp butt, limit above-mentioned clamp and move to the hand of rotation of above-mentioned swivel.
5. the brake equipment of passenger conveyors according to claim 3, is characterized in that,
Guide sections part possesses a plurality of sliding surfaces that slide on the inner peripheral surface of above-mentioned swivel.
6. the brake equipment of passenger conveyors according to claim 4, is characterized in that,
Guide sections part possesses a plurality of sliding surfaces that slide on the inner peripheral surface of above-mentioned swivel.
7. the brake equipment of passenger conveyors according to claim 3, is characterized in that,
Guide sections part is formed by the material that is different from above-mentioned swivel.
8. according to the brake equipment of the passenger conveyors described in any one in claim 4~6, it is characterized in that,
Guide sections part is formed by the material that is different from above-mentioned swivel.
CN201110082251.5A 2010-07-27 2011-04-01 Brake apparatus for passenger conveyor Expired - Fee Related CN102344087B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP168027/2010 2010-07-27
JP2010168027A JP2012025570A (en) 2010-07-27 2010-07-27 Brake device of passenger conveyor

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CN102344087A CN102344087A (en) 2012-02-08
CN102344087B true CN102344087B (en) 2014-09-10

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JP5738631B2 (en) * 2011-03-11 2015-06-24 東芝エレベータ株式会社 Brake device for passenger conveyor
JP2015037996A (en) * 2013-07-19 2015-02-26 東芝エレベータ株式会社 Brake device of passenger conveyor
CN104358810B (en) * 2014-11-05 2017-02-15 康力电梯股份有限公司 Escalator brake wear detection device
CN112654577B (en) * 2018-09-14 2023-05-12 三菱电机株式会社 Emergency braking device for passenger conveyor

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