CN102372223B - Passenger conveyor - Google Patents
Passenger conveyor Download PDFInfo
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- CN102372223B CN102372223B CN201110081420.3A CN201110081420A CN102372223B CN 102372223 B CN102372223 B CN 102372223B CN 201110081420 A CN201110081420 A CN 201110081420A CN 102372223 B CN102372223 B CN 102372223B
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- mentioned
- retaining pawl
- claw
- block
- sprocket wheel
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Abstract
The invention relates to and aims to provide a passenger conveyor, characterized in that a braking claw can be meshed into a tooth part of a chain wheel reliably to stop the rotation of the chain wheel rapidly. The passenger conveyor comprises the baking claw arranged on a truss located below a braking plate and is moved by rotating between a fastening position fastened with the tooth part and a retreating position retreated from the fastening position; a block used for rising the claw part of the braking claw from the retreating position to the fastening position, and in order to prevent the claw part of the braking claw from leaving from the tooth part, supporting the braking claw from a lower part.
Description
The application be take the Japanese patent application 2010-184736 (applying date: be 8/20/2010) basis, and enjoy the preceence of this application.The application is by the full content that comprises this application with reference to this application.
Technical field
Embodiments of the present invention relate to a kind of passenger conveyors.
Background technology
In passenger conveyors, for example escalator, link step and the conveyor chain of the ring-type of loopy moving moves by sprocket wheel, this sprocket wheel transmits chain by propulsive effort and is rotated.Therefore,, in escalator, suppose when this propulsive effort transmits chain and disconnects and complemental brake system is installed.
This complemental brake system is, when propulsive effort being detected and transmit chain and disconnect, retaining pawl is moved, and the front end of retaining pawl having moved meshes with the tooth portion of sprocket wheel.Thus, the rotation of sprocket wheel is prevented from, and the loopy moving of conveyor chain stops.
But in above-mentioned complemental brake system, when the front end of retaining pawl is wanted the tooth portion of engaging-in sprocket wheel, according to difference constantly, the front end of retaining pawl can be flicked by tooth portion sometimes, can not promptly stop the rotation of sprocket wheel.
Summary of the invention
Therefore, the object of the problem that the present invention will solve is for providing a kind of passenger conveyors, and retaining pawl is the tooth portion of engaging-in sprocket wheel reliably, and can promptly stop the rotation of sprocket wheel.
The passenger conveyors of embodiments of the present invention is characterised in that to have: sprocket wheel, rotate freely and be arranged on truss, and hanger has the conveyor chain that links step and carry out the ring-type of loopy moving; Auxiliary braking plate rotates together with above-mentioned sprocket wheel, at centre of gration, around has a plurality of tooth portion; Retaining pawl, is arranged on the above-mentioned truss that is positioned at above-mentioned auxiliary braking plate below, by rotating and move between the clamped position engaging with above-mentioned tooth portion and the retreating position kept out of the way from above-mentioned clamped position; And block, make the front end of above-mentioned retaining pawl rise to above-mentioned clamped position from above-mentioned retreating position, for the front end that prevents above-mentioned retaining pawl leaves from above-mentioned tooth portion, from the above-mentioned retaining pawl of supported underneath.
According to the passenger conveyors of above-mentioned formation, retaining pawl is the tooth portion of engaging-in sprocket wheel reliably, and can promptly stop the rotation of sprocket wheel.
Accompanying drawing explanation
Fig. 1 is the overall diagram of the escalator of the first embodiment.
Fig. 2 is the birds-eye view of sprocket wheel of the pair of right and left of upper layer side.
Fig. 3 is the lateral plan of the complemental brake system of retreating position.
Fig. 4 is the lateral plan of the complemental brake system of clamped position.
The lateral plan of complemental brake system when Fig. 5 is the action of the second embodiment.
The specific embodiment
Below, the passenger conveyors based on accompanying drawing explanation an embodiment of the invention.In addition, in the present embodiment, as passenger conveyors, take escalator 1 and describe as example.
[the first embodiment]
The escalator 1 of the first embodiment is described based on Fig. 1～Fig. 4.
First, the structure of escalator 1 is described based on Fig. 1, Fig. 2.
Escalator 1 has truss 51, and this truss 51 is arranged between the upper strata and lower floor that structure is set that escalator 1 is set across establishing.Left and right sides portion above truss 51 is provided with a pair of railing 52,52, the surrounding of railing 52 respectively hanger have handrail 53.
Upper layer side in truss 51 disposes: main rotating shaft 54; Sprocket wheel 55a, the 55b of the pair of right and left linking with this main rotating shaft 54; And the actuating device 56 with CD-ROM drive motor, reductor etc.
Lower layer side in truss 51 disposes: main rotating shaft 57; Sprocket wheel 58,58 with the pair of right and left linking with this main rotating shaft 57.Between sprocket wheel 55a, the 55b of upper layer side and the sprocket wheel of lower layer side 58,58, hanger has the conveyor chain 59,59 of the ring-type of pair of right and left.On the conveyor chain 59,59 of pair of right and left, link respectively the both ends of the horizontal direction that has a plurality of steps 60.The conveyor chain 59,59 of pair of right and left carries out loopy moving along with sprocket wheel 55a, 55b, 58,58 rotations between sprocket wheel 55a, 55b, 58,58, each step 60 also with the conveyor chain 59,59 of pair of right and left loopy moving integratedly.
On each step 60, be separately installed with wheel 61a, 61b.On truss 51, in the situation that each step 60 carries out loopy moving together with pair of right and left conveyor chain 59,59, not shown guide rail guides wheel 61a, 61b.
As shown in Figure 2, the both ends, left and right of main rotating shaft 54 are supported by bearing 62 axles, and bearing 62 is arranged on truss 51.In the outside of sprocket wheel 55a, bolted has slipper 12.Below this slipper 12, be provided with complemental brake system 10.About auxiliary braking plate 12 and complemental brake system 10, will describe in detail afterwards.In the outside of sprocket wheel 55b bolted, there is the sprocket wheel 66 that drives use.Substantial middle bolted at main rotating shaft 54 has sprocket wheel 67 for handrail.
Sprocket wheel 55a, 55b are set to, and hanger has the conveyor chain 59,59 of pair of right and left as described above and between lower layer side sprocket wheel 58,58, and can rotate integratedly with main rotating shaft 54.Drive with sprocket wheel 66 to be, and be fixed on hanger between the sprocket wheel 66b on the axle drive shaft 66a of actuating device 56 and have propulsive effort transmission chain 68, and rotate integratedly with main rotating shaft 54.Handrail with sprocket wheel 67 is, and make hanger between tape drive mechanism that handrail 53 drives have band chain 63, and with main rotating shaft 54 one rotations.
When the CD-ROM drive motor of actuating device 56 is rotated, main rotating shaft 54 rotates with driving with sprocket wheel 66 via propulsive effort, to transmit chain 68, and sprocket wheel 55a, 55b and handrail rotate by sprocket wheel 67 one.Thus, each step 60 and the handrail of escalator 1 drive.
Then, auxiliary braking plate 12 and complemental brake system 10 are described.
First, around the centre of gration of the peripheral part of slipper 12, be equally spaced provided with the tooth portion 28 of a plurality of ratchet types.
Complemental brake system 10 is to stop with the rotation of the coaxial mounted slipper 12 of sprocket wheel 55a the rotation of main rotating shaft 54 is stopped forcibly.
Based on Fig. 3 and Fig. 4, this complemental brake system 10 is described.
Fixed way 14 is installed on truss 51.This fixed way 14 is, is fixed on than on the truss 51 of the line hanging down from main rotating shaft 54 (hereinafter referred to as " line hangs down ") 16, the position that has been offset to the right among Fig. 3 and Fig. 4.The upper surface 18 of this fixed way 14 forms the dip plane that the more approaching line 16 that hangs down tilts downwards.
What on the truss 51 in fixed way 14 left sides, be provided with upper surface level bears platform 20.
On the upper surface 18 of fixed way 14, the vertical fixation wall 22,22 that is provided with pair of right and left is provided with the retaining pawl 26 rotating centered by the first S. A. 24 between the fixation wall 22,22 of this pair of right and left.This retaining pawl 26 is the parts that mesh with the tooth portion 28 of slipper 12, the claw 30 in retaining pawl 26 left side front ends and 28 engagements of tooth portion.
In retaining pawl 26, be configured to, centered by the first S. A. 24, with the position of claw 30 opposition sides, be the leading section (below this position being called to " operating member 32 ") on right side, the Heavy Weight of its weight ratio claw 30, in the situation that not supporting, centered by the first S. A. 24 according to lever principle and operating member 32 declines.
In the right part of fixation wall 22, being provided with groove 34, slides along this groove 34 in support portion 36.These support portion 36 parts for moving by not shown electromagnetic valve or motor, when the situation of propulsive effort transmission chain 68 disconnections such as grades being detected, electromagnetic valve or motor drive and are slided to the right from the left side of groove 34 in support portion 36.This support portion 36 is from supported underneath operating member 32, when move to the right along groove 34 from left side support portion 36, the support of operating member 32 disappears, and this operating member 32 falls according to lever principle as shown in Figure 4, and contrary claw 30 rotates (direction of arrow A) upward.
On the first S. A. 24 from the outside to fixation wall 22 that give prominence in, tabular accessory 38 is installed.Bottom, left side at this accessory 38 is provided with engaging recessed part 40.
In the left end of the upper surface 18 of fixed way 14, vertical the second fixation wall 42 that is provided with pair of right and left is provided with the second S. A. 44 in this second fixation wall 42, centered by the second S. A. 44, is provided with freely to rotate weight member 46.Counterweight 48 is installed in the left end of this weight member 46, between the second S. A. 44 and counterweight 48, on weight member 46, is extruded with foot 50.And, at the right-hand end of weight member 46, the i.e. opposition side of the counterweight 48 centered by the second S. A. 44, be extruded with block 49.Between foot 50 and the second S. A. 44, be extruded with the engaging teat 47 engaging with the engaging recessed part 40 of accessory 38.
Illustrate in greater detail weight member 46.
Weight member 46 is, in the left part of the turning unit 45 of long plate shape, counterweight 48 is installed, and has the second S. A. 44 in right part.With this second S. A. 44, block 49 is installed coaxially, block 49 is more outstanding than the right side of turning unit 45.Foot 50 be arranged on as described above between counterweight 48 and the second S. A. 44 in the middle of on the turning unit 45 of left and right, than turning unit 45 to the left, outstanding with the projected direction opposition side of block 49.Between foot 50 and the second S. A. 44, be extruded with as described above engaging teat 47, this projected direction is to outstanding with block 49 equidirectionals.The engaging leading section of teat 47 and the engaging recessed part 40 of accessory 38 engage.And when this engaging is removed, according to lever principle, the counterweight 48 of weight member 46 falls in rotation to the direction of arrow B.
Below, the operating state of complemental brake system 10 is described based on Fig. 3, Fig. 4.
Describe when being failure to actuate.
As shown in Figure 3, in the situation that escalator 1 regular event, complemental brake system 10 do not move, support portion 36 is positioned at the left side of groove 34, supports the operating member 32 of retaining pawl.Therefore fixing on the retreating position that, the claw 30 of retaining pawl 26 declines in the tooth portion 28 than slipper 12.On the other hand, the engaging recessed part 40 of the accessory 38 of installing coaxially with the first S. A. 24, with weight member 46 engage teat 47 engagings, counterweight 48 is fixing under the state lifting.Now, block 49 stops under the state of the lower end butt of the base portion of the claw 30 with retaining pawl 26.
During to action, describe.
Then, propulsive effort detected and transmit the situation that chain 68 disconnects, and support portion 36 to be moved to the right from the left side of groove 34.So the support of the operating member 32 of retaining pawl 26 disappears, by the weight of operating member 32, the claw 30 of retaining pawl 26 is (clockwise direction) rotation upward in the direction of arrow A.Accessory 38 also rotates equally in the direction of arrow A with retaining pawl 26, and engaging recessed part 40 is disengaged with the engaging engaging between teat 47.Therefore, the support of counterweight 48 disappears, and weight member 46 rotates centered by the second S. A. 44, and counterweight 48 in the direction of arrow B (anticlockwise direction) is rotated and fallen.On the other hand, the block 49 of the right part in weight member 46 rotates upward in the base portion of the claw 30 from supported underneath retaining pawl 26.
Then,, when platform 20 is born in foot's 50 arrival of weight member 46, falling of counterweight 48 stops.On the other hand, even if the claw 30 of retaining pawl 26 looks like and is ejected while meshing in the tooth portion 28 with slipper 12, owing to being supported the base portion of claw 30 by block 49, therefore can not ejected downwards yet, and claw 30 meshes (below this position being called to " clamped position ") with tooth portion 28 as shown in Figure 4, the rotation of slipper 12 stops.In addition, in Fig. 4, record on clamped position and there is a little gap between block 49 and the base portion of claw 30, but this gap is play part, adjusts as required this gap.
During to recovery, describe.
When the state of escalator 1 returns when normal, repairman recovers by manually making retaining pawl 26 and weight member 46 rotate to retreating position from clamped position.
According to present embodiment, in the situation that the claw 30 of retaining pawl 26 and 28 engagements of the tooth portion of slipper 12, the base portion of claw 30 is by block 49 from supported underneath, so claw 30 can not eject by tooth portion 28, and can make reliably slipper 12 stop.Then, because retaining pawl 26 can not ejected by tooth portion 28, so slipper 12 stops rapidly.Especially, the hand of rotation of retaining pawl 26 (direction of arrow A) is opposite sense with the hand of rotation (direction of arrow B) of weight member 46, therefore the counteraction that weight member 46 is rotated is delivered to retaining pawl 26 by block 49, and block 49 can be supported the base portion of claw 30 more reliably.
And, the upper surface 18 of fixed way 14 tilts, therefore when the engaging-in tooth of claw 30 portion 28 of retaining pawl 26, even if the power from tooth portion 28 is delivered to retaining pawl 26, because therefore upper surface 18 tilts power to horizontal yielding, can directly on fixed way 14, not apply power, and retaining pawl 26 can not depart from from fixed way 14.
[the second embodiment]
Then, based on Fig. 5, the escalator 1 of the second embodiment is described.
The difference of present embodiment and the first embodiment is the structure of complemental brake system 10.
As shown in Figure 5, in the present embodiment, from the block 49 of the claw 30 of supported underneath retaining pawl 26, by supporting from the supporting rod 70 that bears platform 20 free-extensions and give prominence to.This supporting rod 70 is by screw-shaped spring 72 always by the application of force upward, and block 49 is always by the base portion of claw 30 application of force upward.
When being failure to actuate, the operating member 32 of retaining pawl 26 is supported in support portion 36, and claw 30 is revolted the application of force of springs 72 and is fixed on the retreating position in below.
When action, propulsive effort detected and transmit the situation that chain 68 disconnects, move to the right from the left side of groove 34 support portion 36.So the support of operating member 32 disappears, because the weight claw 30 of operating member 32 rotates upward, and the block 49 that this claw 30 is moved upward by the application of force by spring 72 is from supported underneath.Therefore, same with the first embodiment, claw 30 can not flicked downwards by tooth portion 28.
In addition, in the present embodiment, block 49 is by screw-shaped spring 72 application of force upward, but pressing mechanism that also can be by addition, such as the mechanism moving by electromagnetic valve, motor etc., presses.
[variation]
In the respective embodiments described above, as passenger conveyors, escalator 1 has been described, but has been not limited to this, also can be at moving sidewalk application complemental brake system 10.
Although understand several embodiments of the present invention, but these embodiments are to propose as an example, do not attempt to limit scope of the present invention.These new embodiments can be implemented with other variety of ways, in the scope that does not depart from inventive concept, can carry out various omissions, displacement and change.These embodiments and distortion thereof are contained in scope of invention and purport, are contained in the scope that the invention recorded with patent request scope is equal to.
Claims (5)
1. a passenger conveyors, is characterized in that, has:
Sprocket wheel, rotates freely and is arranged on truss, and hanger has the conveyor chain that links step and carry out the ring-type of loopy moving;
Auxiliary braking plate rotates together with above-mentioned sprocket wheel, at centre of gration, around has a plurality of tooth portion;
Retaining pawl, is arranged on the above-mentioned truss that is positioned at above-mentioned auxiliary braking plate below, by rotating and move between the clamped position engaging with above-mentioned tooth portion and the retreating position kept out of the way from above-mentioned clamped position; And
Block, makes the front end of above-mentioned retaining pawl rise to above-mentioned clamped position from above-mentioned retreating position, for the front end that prevents above-mentioned retaining pawl leaves from above-mentioned tooth portion, at the base portion of the claw of the front end in above-mentioned retaining pawl from the above-mentioned retaining pawl of supported underneath.
2. passenger conveyors as claimed in claim 1, is characterized in that,
Above-mentioned block is arranged on one end of the turning unit rotating centered by S. A.;
Clipping above-mentioned S. A., with the other end of the above-mentioned turning unit of above-mentioned block opposition side, be provided with counterweight;
By above-mentioned counterweight, fall and above-mentioned turning unit rotates, above-mentioned block at above-mentioned clamped position from the above-mentioned retaining pawl of supported underneath.
3. passenger conveyors as claimed in claim 2, is characterized in that,
The hand of rotation of above-mentioned turning unit when above-mentioned counterweight falls, the hand of rotation rotating from above-mentioned retreating position to above-mentioned clamped position rising with the front end of above-mentioned retaining pawl is contrary.
4. passenger conveyors as claimed in claim 1, is characterized in that,
Above-mentioned block has for above-mentioned retaining pawl being pressed into from below to the pressing mechanism of above-mentioned clamped position.
5. passenger conveyors as claimed in claim 1, is characterized in that,
The above-mentioned truss of the position that the line that hangs down at the above-mentioned centre of gration in than from above-mentioned auxiliary braking plate has been offset is provided with fixed way;
Above-mentioned fixed way has the dip plane that tilts the closer to the above-mentioned line hanging down downwards;
Standing on the fixed part of establishing from above-mentioned dip plane of above-mentioned fixed way, above-mentioned retaining pawl is installed freely to rotate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP184736/2010 | 2010-08-20 | ||
| JP2010184736A JP5618696B2 (en) | 2010-08-20 | 2010-08-20 | Passenger conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102372223A CN102372223A (en) | 2012-03-14 |
| CN102372223B true CN102372223B (en) | 2014-10-15 |
Family
ID=45791551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110081420.3A Active CN102372223B (en) | 2010-08-20 | 2011-03-31 | Passenger conveyor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5618696B2 (en) |
| CN (1) | CN102372223B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708332B (en) * | 2014-01-06 | 2016-09-14 | 日立电梯（广州）自动扶梯有限公司 | Additional brake |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117939A (en) * | 1994-08-26 | 1996-03-06 | 株式会社日立制作所 | A slant type passenger conveyer |
| CN101513973A (en) * | 2008-02-22 | 2009-08-26 | 东芝电梯株式会社 | Emergency braking apparatus for passenger conveyer |
| CN101628683A (en) * | 2008-07-14 | 2010-01-20 | 东芝电梯株式会社 | Passenger conveyor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530946Y2 (en) * | 1974-06-12 | 1980-07-23 | ||
| JPS5997985A (en) * | 1982-11-22 | 1984-06-06 | 三菱電機株式会社 | Brake grear for main shaft of escalator |
| JPS61295990A (en) * | 1985-06-21 | 1986-12-26 | 株式会社日立製作所 | Auxiliary brake gear for drive of man conveyor |
| JPH0742070B2 (en) * | 1987-06-16 | 1995-05-10 | 三菱電機株式会社 | Escalator spindle brake device |
| JPH07157265A (en) * | 1993-12-02 | 1995-06-20 | Hitachi Ltd | Safety device for passenger conveyer |
| JPH09286581A (en) * | 1996-04-25 | 1997-11-04 | Hitachi Ltd | Brake device for passenger conveyor |
| JPH11255461A (en) * | 1998-03-13 | 1999-09-21 | Hitachi Ltd | Emergency brake device for passenger conveyor |
| JP2002037576A (en) * | 2000-07-24 | 2002-02-06 | Toshiba Elevator Co Ltd | Escalator |
| KR101273403B1 (en) * | 2007-11-09 | 2013-06-11 | 오티스 엘리베이터 컴파니 | Braking device for a passenger conveyor |
-
2010
- 2010-08-20 JP JP2010184736A patent/JP5618696B2/en active Active
-
2011
- 2011-03-31 CN CN201110081420.3A patent/CN102372223B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117939A (en) * | 1994-08-26 | 1996-03-06 | 株式会社日立制作所 | A slant type passenger conveyer |
| CN101513973A (en) * | 2008-02-22 | 2009-08-26 | 东芝电梯株式会社 | Emergency braking apparatus for passenger conveyer |
| CN101628683A (en) * | 2008-07-14 | 2010-01-20 | 东芝电梯株式会社 | Passenger conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102372223A (en) | 2012-03-14 |
| JP2012041151A (en) | 2012-03-01 |
| JP5618696B2 (en) | 2014-11-05 |
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