CN201092505Y - Escalator intermediate section chain manner stepwise driving device - Google Patents
Escalator intermediate section chain manner stepwise driving device Download PDFInfo
- Publication number
- CN201092505Y CN201092505Y CNU2007201095235U CN200720109523U CN201092505Y CN 201092505 Y CN201092505 Y CN 201092505Y CN U2007201095235 U CNU2007201095235 U CN U2007201095235U CN 200720109523 U CN200720109523 U CN 200720109523U CN 201092505 Y CN201092505 Y CN 201092505Y
- Authority
- CN
- China
- Prior art keywords
- chain
- sprocket
- driving
- escalator
- drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
- B66B23/028—Driving gear with separate drive chain or belt that engages directly the carrying surface chain
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Escalators And Moving Walkways (AREA)
Abstract
The utility model discloses a middle chain type graded driving device of an escalator, which comprises a load step chain (3), a cascade main track (3) on which a cascade chain rolling wheel (32) of the chain (3) can roll, and at least one chain wheel drive device at least one set of chain wheel drive devices which are arranged in the longitudinal middle of the escalator and connected with a power supply, wherein the chain wheel drive device is under the load cascade chain (3), which drives sprockets which are meshed with the load cascade chain (3) and is arranged on a chain (4). The grade driving device has simple structure, low material consumption, low weight, low machining accuracy demand and low production cost, without increasing driving power of the head portion.
Description
Technical field
The utility model relates to a kind of drive configuration of escalator, specifically is a kind of escalator middle part chain type classification drive device.
Background technology
The height of producing both at home and abroad promotes the actuating device of (it is high the lifting that the usage of trade claims hoisting depth to surpass 10 meters) staircase at present, basically carry out along the traditional design thinking, promptly along with the increase of rise of escalator, increase staircase head driving power singlely, hoisting depth is high more, and the driving power setting is big more; Escalator passes and carries member simultaneously, takes turns to bear the increasing tension of escalator head, compressive strength as step chains, step, also will increase the volume of himself synchronously.Not only its head centralized driving power is excessive for high lifting escalator, and other transmission component volume that is complementary with it is also very big.Therefore, the hoisting depth of escalator is high more, and its structure is just complicated more, and material requested is just many more, and its deadweight just is multiplied, and its manufacturing price is more and more expensive.And because the too increase of staircase head driving power and other transmission component, so the hoisting depth of domestic and international single escalator is very limited at present.
Escalator middle part rack-and-gear classification drive device was arranged in the elevator exhibition of the previous session, and its shortcoming is that the driven member tooth bar is through whole escalator, complex structure, material requested is many, deadweight is multiplied, its requirement on machining accuracy height, manufacturing price costliness.Therefore big elevator company often has showpiece to put on display, but fails all the time to go out and drop into actual use as product distribution.
The utility model content
The technical problems to be solved in the utility model is, overcome the defective of above prior art, provide a kind of do not increase the head driving power and simple in structure, material consumption is few, from heavy and light, its requirement on machining accuracy is not high, cost is low relatively escalator middle part chain type classification drive device.
Technical solution of the present utility model is, a kind of escalator middle part chain type classification drive device with following structure is provided, and it comprises load step chains and the step backbone that rolls for the stepchain roller in the load step chains thereon; Be characterized in that it also comprises at least one cover and the propulsion source bonded assembly chain sprocket driving device of being located at the staircase longitudinal middle part, described chain sprocket driving device is positioned at the below of load step chains, and the sprocket that can mesh the load step chain is arranged on its chain drive-belt.
The preferred following concrete structure of the utility model: described chain sprocket driving device comprises the drive sprocket axle that drive sprocket is housed with the propulsion source bonded assembly, link drive sprocket and the passive chain wheel driving chain that is loaded on the passive sprocket shaft, the driving chain rail that the driving chain roller of confession chain drive-belt rolls thereon; Can mesh the sprocket of load step chain on the described chain drive-belt, refer to movable to insert between former and later two stepchain roller of load step chain in the gap and with the driving chained block of chain drive-belt be holistic radially outward protruding; The shoulder pad that the carrying stepchain roller is arranged on the described driving chained block.
After adopting above structure, the utility model escalator middle part chain type classification drive device compared with prior art has the following advantages:
The utility model is not on the one hand owing to increase the driving power of escalator head, neither increase the electrical motor of escalator head and the volume of speed-changing mechanism (be accustomed to deserving to be called both in the industry and be towing machine), do not increase other transmission component that is complementary with it such as the volume of step chain and ladder sprocket wheel yet, so, overcome the raising along with hoisting depth of the escalator of prior art fully, its structure is just complicated more, material requested is just many more, the deadly defect that deadweight is multiplied, its cost is more and more higher.And broken fully because staircase head driving power and other transmission component can not too increase increasing the suffered restriction of hoisting depth of single escalator at present both at home and abroad.
The utility model is on the other hand owing to kept the head chain type driving device of original escalator, and only set up a cover or the above and propulsion source bonded assembly chain sprocket driving device of a cover at the staircase longitudinal middle part, and utilize sprocket engagement load step chain on the chain drive-belt of chain sprocket driving device, thereby driving the load step chain simultaneously with the head chain type driving device of original escalator makes it along step backbone straight ahead, with the head centralized driving of high lifting escalator in the past, change head and middle part classification into and drive.
So the utility model escalator middle part chain type classification drive device is compared with above-mentioned prior art, its structure is very simple, and material consumption is few, and from heavy and light, its requirement on machining accuracy is not high, and cost descends significantly, and cost is relatively very low.The utility model has fundamentally solved the technical matters of the classification driving of high lifting escalator, has cleared away obstacle for domestic and international single escalator increases hoisting depth.
Description of drawings
Fig. 1 is the structural representation of the utility model escalator middle part chain type classification drive device.
Fig. 2 is the chain drive-belt of the utility model escalator middle part chain type classification drive device and the structural representation of the load step chain section of being meshing with each other.
Fig. 3 is the sectional structure scheme drawing along H-H line among Fig. 2.
Fig. 4 is the structural representation of the driving chained block in the chain drive-belt of the utility model escalator middle part chain type classification drive device.
Fig. 5 is the right TV structure scheme drawing of Fig. 4.
Fig. 6 is overlooking to structural representation of Fig. 2.
Fig. 7 is the structure enlarged diagram of Fig. 3.
Shown in the figure:
1, driving chain rail, 11, the entrance of driving chain rail, 12, the main paragraph of driving chain rail, 111, the entrance of the entrance of driving chain rail;
2, step backbone;
3, load step chain, 31, the step chained block, 32, stepchain roller, 33, the stepchain roller axle;
4, chain drive-belt, 41, drive chained block, 411, projection radially outward, 412, shoulder pad, 42, driving chain roller, 43, driving chain roller shaft;
51, drive sprocket, 52, by movable sprocket;
61, drive sprocket axle, 62, passive sprocket shaft;
Each initial point on A, B, C, D, the step backbone, the initial point on E, F, the driving chain rail.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 1～shown in Figure 7.
The utility model escalator middle part chain type classification drive device comprises load step chain 3 that escalator head chain type driving device original and escalator links and the step backbone 2 that rolls for the stepchain roller 32 in the load step chain 3 thereon.Load step chain 3 by many to about the step chained block 31, a plurality of stepchain roller 32 and a plurality of stepchain roller axle 33 that match form, the two ends of described step chained block 31 are hinged on the stepchain roller 32 through stepchain roller axle 33.Described many to about the step chained block 31 that matches, known to general knowledge, its arrangement mode vertically is: about inboard two step chained blocks 31, again about the outside two step chained blocks 31, again about two inboard step chained blocks 31 ..., serial arrangement successively.Described step backbone 2 is installed on the staircase and girder (not shown), and the upper surface of the bottom surface of the periphery of stepchain roller 32 and step backbone 2 is tangent.It more than is prior art.
The characteristics of the utility model escalator middle part chain type classification drive device are that it also comprises at least one cover and the propulsion source bonded assembly chain sprocket driving device of being located at the staircase longitudinal middle part.The meaning of the words is, the length needs that promote escalator according to height are established the chain sprocket driving device in a cover or the above self-powered source of a cover, and known to general knowledge, the rotating speed of this chain sprocket driving device equates with the rotating speed of the original head chain type driving device of escalator promptly synchronously.Described chain sprocket driving device is positioned at the below of load step chain 3, and the sprocket that can mesh load step chain 3 is arranged on the chain drive-belt 4.
Described chain sprocket driving device adopts following concrete structure: the drive sprocket axle 61 that drive sprocket 51 is housed is connected with propulsion source, as be located at the output gear and the gear mesh of being located on the drive sprocket axle 61 (because above annexation belongs to the conventional structure of prior art, so not shown) of the electrical motor of staircase and girder longitudinal middle part and speed-changing mechanism (speed-changing gear box).Drive sprocket 51 and be loaded on the passive sprocket shaft 62 by movable sprocket 52 by the annular chain type classification drive device (all adopting omissive representation among chain and the chain rail figure) of chain drive-belt 4 links formation osed top.Chain drive-belt 4 is made up of a plurality of driving chained blocks 41, a plurality of driving chain roller 42 and a plurality of driving chain roller shaft 43, and the two ends of described driving chained block 31 are hinged on the driving chain roller 42 through drive wheel roller shaft 43.The described driving chain rail 1 that rolls thereon for the driving chain roller 42 of chain drive-belt 4 is installed on the staircase and girder (because the annexation of its installation also belongs to the conventional structure of prior art, so not shown), the circumference bottom surface and driving chain rail 1 upper surface of driving chain roller 42 are tangent.
Described sprocket refer to movable to insert in the gap of (between the right periphery of the left wheel in Fig. 1 and two rollers of Fig. 2 middle finger and the left periphery of right roller) between two stepchain roller 32 of load step chain 3 and with the driving chained block 41 of chain drive-belt 4 for holistic radially outward protruding 411, described protruding 411 is cuboid radially outward.The shoulder pad 412 that carrying stepchain roller 32 is arranged on the described driving chained block 41.Drive chained block 41 concrete structure can for: be seen as down pistol-shaped from Fig. 4, its " pistol handle " be sprocket promptly radially outward the projection 411, its " body of a gun " middle part is a shoulder pad 412, its " body of a gun " tail (right side) portion be the back support portion in order to kinematic support on driving chain roller shaft 43, its " gun barrel " be preceding support portion also in order to kinematic support on driving chain roller shaft 43; From Fig. 5, two connecting panels about driving chained block 41 comprises.Part in conjunction with the above prior art in the present embodiment, be understood that, two connecting panels about described driving chained block 41, its arrangement mode vertically also is: about inboard two connecting panels, again about the outside two connecting panels, again about two inboard connecting panels ... serial arrangement successively, be described driving chained block 41 vertically one wide, one narrow, again one wide ..., serial arrangement successively.The top, middle part of two contiguous blocks about the horizontal company of its shoulder pad 412 (being driven chain roller 42 in the drawings blocks) promptly is welded on.Radially outward the gauge of projection 411 is significantly less than the width dimensions that drives chained block 41, and radially outward projection 411 is welded on the extension to the right of its shoulder pad 412.Radially outward the height of projection 411 is higher than the radius of stepchain roller 32, its width be between two stepchain roller 32 in front and back (about Fig. 1 and Fig. 2 middle finger) gap width 3/4, its thickness width in gap between the inboard two step chained blocks 31 about less than load step chain 3.Referring to Fig. 6, known to general knowledge, the also inevitable width of its thickness less than gap between the two step chained blocks 31 in the outside about load step chains 3.
The effect one of chain drive-belt 4 is transmission of powers, the propulsion source of the utility model escalator middle part chain type classification drive device is delivered on the load step chain 3, simultaneously the load on the step (promptly standing in the load of the people above the step) is transferred on the driving chain rail 1 so that the step of escalator operates steadily by load step chain 3.
Be arranged in drive sprocket 51 and by the step backbone 2 of movable sprocket 52 top section promptly (Fig. 1) A point section be the V shape track to B point section and C point to the D point and be two tracks that are parallel to each other and (need clearly for assurance figure, two sections step backbones 2 of among the figure this all are omitted), the gap size between two parallel orbits be holistic protruding 411 gauge radially outward with driving chained block 41 promptly greater than sprocket; And not having step backbone 2 below the stepchain roller 32 of B point to the load step chains 3 of C point section, the stepchain roller 32 cylindrical bottom surfaces in this section load step chains 3 are carried on the shoulder pad 412 that drives chained block 41.
Referring to Fig. 1, Fig. 2, described driving chain rail 1 also is two parallel tracks for the V shape track, and the gap size between two parallel orbits is greater than drive sprocket 51 with by the thickness of movable sprocket 52 portions of edge teeth.Interfere as collision etc. with stepchain roller 32 when being the engaging-in load step chain 3 of cuboid projection 411 for the sprocket that prevents chain drive-belt 4, the entrance 11 of driving chain rail be the E point to F point section than 0.1～5 ° of a main paragraph 12 whereabouts of driving chain rail.The angle that is entrance 11 and the main paragraph 12 of driving chain rail of driving chain rail is 0.1～5 °.Equally, for preventing that the step roller 32 and the sprocket of the chain drive-belt of nibbling out 4 from being that cuboid projection 411 interferes, the outlet section of step backbone 2 is that C point to the D point section extended line than step backbone 2 (left side section) raises up 0.1～5 °.The structure that the V shape track is installed on the truss is identical with the structure that integral rail is installed on the truss.
The upper end of the entrance 111 of described driving chain rail 1 is an arc chord angle, makes chain drive-belt 4 steadily enter driving chain rail 1.
Working process of the present utility model is summarized as follows: the moment of rotation of electrical motor drives drive sprocket axle 61 rotations by speed-changing mechanism, drive sprocket axle 61 drives drive sprocket 51 rotations, and drive by chain drive-belt 4 and to be rotated by movable sprocket 52, the sprocket of chain drive-belt 4 is from being begun to change over to the engagement with load step chain 3 by the top end of the vertical center line of movable sprocket 62, driving load step chain 3 more linearly moves, and the load of stepchain roller 32 is added on the driving chain rail 1 through the driving chained block 41 and the driving chain roller 42 of chain drive-belt 4, thereby drive the stair step motion synchronously with escalator head chain type driving device.
The utility model not only is confined to above embodiment, and its concrete structure allows various variations, as: as described in chain sprocket driving device also can adopt two propulsions source, promptly sprocket shaft 61 and sprocket shaft 62 can be drive sprocket axle; The sprocket of described driving chain also can be other shape as the face that matches with stepchain roller 32 cylindricals can be arc surface etc.; Promptly radially outward the height of projection 411, width, thickness etc. all allow variation to described sprocket; Described driving contiguous block 41 also can be that other conventional structure is as anterior the same with the middle part high; Entrance 11 at driving chain rail 1 all can not established leaning angle with the outlet section of step backbone 2, but the sprocket of driving chain is suitably revised to avoid interference; The upper end of the entrance of described driving chain rail 1 can not established circular arc yet and is established hypotenuse; Or the like.Also have, the utility model can be directly applied for without improvement on the high moving sidewalk that promotes.These variations all fall in the protection domain of the present utility model.
Claims (8)
1. escalator middle part chain type classification drive device, it comprises load step chain (3) and the step backbone (2) that rolls for the stepchain roller (32) in the load step chain (3) thereon, it is characterized in that: it also comprises at least one cover and the propulsion source bonded assembly chain sprocket driving device of being located at the staircase longitudinal middle part, described chain sprocket driving device is positioned at the below of load step chain (3), and its chain drive-belt has the sprocket that can mesh load step chain (3) on (4).
2. escalator according to claim 1 middle part chain type classification drive device, it is characterized in that: described chain sprocket driving device comprises the drive sprocket axle (61) that drive sprocket (51) are housed with the propulsion source bonded assembly, link drive sprocket (51) and be loaded on the passive sprocket shaft (62) by the chain drive-belt of movable sprocket (52) (4), the driving chain rail (1) that rolls thereon of driving chain roller (42) of confession chain drive-belt (4); Can mesh the sprocket of load step chain (3) on the described chain drive-belt (4), refer to movable to insert between former and later two stepchain roller (32) of load step chain (3) in the gap and be holistic radially outward protruding (411) with the driving chained block (41) of chain drive-belt (4); The shoulder pad (412) that carrying stepchain roller (32) are arranged on the described driving chained block (41).
3. escalator according to claim 2 middle part chain type classification drive device, it is characterized in that: described projection (411) radially outward is cuboid, it highly is higher than the radius of stepchain roller (32), its width be between former and later two stepchain roller (32) gap width 3/4, its thickness width in gap between the inboard two step chained blocks (31) about less than load step chain (3).
4. escalator according to claim 2 middle part chain type classification drive device, it is characterized in that: described driving chain rail (1) is two parallel tracks for the V shape track, and the gap between two parallel orbits is greater than drive sprocket (51) with by the thickness of portion of movable sprocket (52) edge teeth.
5. according to any one described escalator middle part chain type classification drive device in the claim 1～4, it is characterized in that: the entrance of driving chain rail (11) falls 0.1～5 ° than the main paragraph (12) of driving chain rail.
6. escalator according to claim 5 middle part chain type classification drive device, it is characterized in that: the upper end of the entrance of the entrance of described driving chain rail (111) is an arc chord angle.
7. according to any one described escalator middle part chain type classification drive device in the claim 1～4, it is characterized in that: the outlet section of step backbone (2) raises up 0.1～5 ° than the horizontal extended line of step backbone (2).
8. according to any one described escalator middle part chain type classification drive device in the claim 1～4, it is characterized in that: described propulsion source refers to be located at the electrical motor and the speed-changing mechanism of staircase and girder longitudinal middle part; Described output gear that refers to speed-changing mechanism and the gear mesh of being located on the drive sprocket axle (61) of being connected with propulsion source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201095235U CN201092505Y (en) | 2007-05-21 | 2007-05-21 | Escalator intermediate section chain manner stepwise driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201095235U CN201092505Y (en) | 2007-05-21 | 2007-05-21 | Escalator intermediate section chain manner stepwise driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201092505Y true CN201092505Y (en) | 2008-07-30 |
Family
ID=39900469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201095235U Expired - Lifetime CN201092505Y (en) | 2007-05-21 | 2007-05-21 | Escalator intermediate section chain manner stepwise driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201092505Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537213A (en) * | 2011-12-30 | 2012-07-04 | 上海爱登堡电梯股份有限公司 | Escalator and light step chain and application thereof |
| CN102976195A (en) * | 2012-12-07 | 2013-03-20 | 上海爱登堡电梯股份有限公司 | Outdoor escalator with novel stepped chain roller |
-
2007
- 2007-05-21 CN CNU2007201095235U patent/CN201092505Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537213A (en) * | 2011-12-30 | 2012-07-04 | 上海爱登堡电梯股份有限公司 | Escalator and light step chain and application thereof |
| CN102976195A (en) * | 2012-12-07 | 2013-03-20 | 上海爱登堡电梯股份有限公司 | Outdoor escalator with novel stepped chain roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |