CN203889856U - Stair collapse protection device - Google Patents
Stair collapse protection device Download PDFInfo
- Publication number
- CN203889856U CN203889856U CN201420242201.8U CN201420242201U CN203889856U CN 203889856 U CN203889856 U CN 203889856U CN 201420242201 U CN201420242201 U CN 201420242201U CN 203889856 U CN203889856 U CN 203889856U
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- Prior art keywords
- fixed link
- self
- locking ring
- groove
- protecting device
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- 238000007665 sagging Methods 0.000 claims description 30
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a stair collapse protection device which is arranged below a stair and stair guide rails and is characterized by comprising a fixing rod, a self-locking ring and a travel switch. At least one screw is fixedly arranged on the fixing rod; the self-locking rod is fixedly arranged on the fixing rod, can rotate along with the fixing rod and at least comprises a first groove; the travel switch is provided with a circular head, and the circular head is positioned in the first groove and can move in a stressed state, so that the travel switch can be switched on or switched off; the descending height of the stair in a collapse state is h, the tops of the screws are positioned in a range of the descending height h, the screws drive the fixing rod and the self-locking ring to rotate, and a non-groove portion of the self-locking ring presses the circular head, so that the travel switch can act. The stair collapse protection device has the advantages that the stair collapse protection device can instantly react to stair collapse, and accordingly the safety and the stability of an elevator can be greatly improved.
Description
Technical field
The utility model belongs to lift facility field, relates to definitely a kind of escalator components, is a kind of step sagging protecting device that immediately makes elevator disconnect in the time there is step sagging.
Background technology
At present, escalator has been widely used in all kinds of public arenas such as market, hospital and station, escalator by under in working order constantly circulating motion complete and transport incessantly pedestrian, wherein, circulating motion can be upwards or downwards, also can be circulating motion abreast, as moving sidewalk, step be for carrying in cyclic process with transport pedestrian's carrier.
Step is arranged at the step roller skin of step rail, when step roller skin in use occurs departing from or damages and cause and subside, or step self is during due to situation generation deformation such as metal fatigues, step in cyclic motion process can cause dislocation, collision and stuck, again in the time moving at ordinary times, due to the gap existing on escalator, can make between guide rail, easily to pile up and block all kinds of foreign matters, also can cause certain big roller that makes to damage and the probability of elevator faults, etc., these have all had a strong impact on the safety and stability of escalator operation, also easily cause larger loss and the unpredictable personal injury to passenger.
Existing step sagging safeguard procedures, generally pass through travel switch, switch bracket, fixed link and both sides are provided with the structures such as the C template part of C type mouth subtend and complete protection, general solid round steel or the hexagonal steel structure of adopting of fixed link, and machining screw in the above, its processing technology complexity, material cost is higher, the C type plate structure of C type mouth subtend simultaneously, although convenient in plate processing, but the parts at fixed link two ends are arranged in C type mouth structure, the limited space of installation and maintenance, and this type of installation needs the length of adapter plate to exceed the distance between the C template part of two C type mouth subtends, long fixed link can cause waste of material, and increase machining deformation probability, thereby affect accuracy of detection.
Due to the more above-mentioned problem existing in actual conditions, and the product also not addressing these problems at present or method appearance, therefore truly have the necessity making improvements.
Utility model content
For the deficiencies in the prior art; the purpose of this utility model is to provide a kind of step sagging protecting device; in the time of step sagging, oppress screw rod and then drive fixed link and self-locking ring rotation; thereby the round nose that makes travel switch is jumped out groove and stressed generation displacement, and then realize the break-make of travel switch.
The technical solution of the utility model is as follows:
A kind of step sagging protecting device, is arranged on step and step rail below, includes:
Fixed link, is fixedly installed at least one screw rod on described fixed link;
Self-locking ring, is fixedly installed on described fixed link and can rotates with described fixed link, and at least including one first groove;
Travel switch, described travel switch has a round nose, and this round nose is positioned at described the first groove, and round nose generation displacement makes travel switch become path or disconnection under strained condition;
The height that step declines at collapsed mode is h, the top of described screw rod is positioned at the height h scope of described decline, described screw rod drives described fixed link and described self-locking ring to rotate, and the non-groove part of described self-locking ring is oppressed described round nose and made described travel switch action.
Above-mentioned step sagging protecting device, also comprises two L shaped plates, and each described L shaped plate is connected in wherein between an end of described step rail and described fixed link.
Above-mentioned step sagging protecting device, each described L shaped plate has included the first side plate and the second side plate, and wherein, the first side plate is fixed on step rail below by T-shaped bolt, and the second side plate is movably connected on the end of described fixed link.
Above-mentioned step sagging protecting device, also comprises a spring leaf, one end of described spring leaf be fixed on wherein one described in L shaped plate, the other end is U-shaped structure;
Described self-locking ring also includes one second groove, and described U-shaped structure is located in the second groove of described self-locking ring under state of nature.
Above-mentioned step sagging protecting device, two ends of described fixed link are respectively provided with a locating dowel pin, to locate each described L shaped plate.
Above-mentioned step sagging protecting device, described fixed link adopts pipe or the little square tube of polygon.
Above-mentioned step sagging protecting device, one of them end of described fixed link is provided with an extension rod, is fixedly installed a stock perpendicular to described extension rod on described extension rod.
The beneficial effects of the utility model are:
(1) provide a kind of step sagging protecting device that can immediately react to there is step sagging, the safety of elevator and stability are greatly promoted;
(2) decline and oppress screw rod and then drive fixed link and self-locking ring rotation in step sagging state lower step, thereby the round nose that makes travel switch is jumped out the groove of self-locking ring and is produced displacement, and then realize the break-make of travel switch, to the immediate reaction of subsiding;
(3) the U-shaped structure of spring leaf is positioned at the second groove of self-locking ring, better travel switch is played to position-limiting action, and at abnormal effect lower spring sheet, described self-locking ring is had the suppression of a spring restoring force, prevents described self-locking ring self-resetting;
(4) can make fixed link and self-locking ring after fault restoration restore to the original state outward at elevator by stock, thereby greatly reduce its work difficulty;
(5) in the utility model, adopt the fixed link of pipe or little square tube, ensureing in its rigidity, also have easy to processly, cost is low, the light and handy easy-to-mount advantage of structure, secondly, adopt the arrangement of the L shaped plate of subtend outwardly, increase two ends parts and install and service clearance, travel switch is more installed by inboard, improve the efficiency of field maintemance, increased the visuality of switch, reduced significantly to bend over to stretch out one's hand to move because crossing the potential safety hazard causing in maintenance process.
figure of description
Fig. 1 is the installation front view of the utility model step sagging protecting device;
Fig. 2 is the structural front view of the preferred embodiment of the utility model step sagging protecting device;
Fig. 3 be the utility model step sagging protecting device preferred embodiment A-A to view;
Fig. 4 be the utility model step sagging protecting device another preferred embodiment structural front view.
In figure:
1-step, 2-guide rail, 201-T type bolt, 3-fixed link, 4-L shape plate, 401-the first side plate, 402-the second side plate, 5-self-locking ring, 501-the first groove, 502-the second groove, 6-spring leaf, 601-U shape structure, 7-screw rod, 8-travel switch, 801-round nose, 9-locating dowel pin, 10-stock, 11-extension rod, O-direction of axis line.
Detailed description of the invention
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalent of claims.In this article, these embodiments of the present utility model can be represented with term " utility model " individually or always, this is only used to conveniently, and if in fact disclose the utility model that exceedes, not that the scope that will automatically limit this application is any single utility model or utility model design.
Embodiment 1
As shown in Figures 1 to 4, step sagging protecting device described in the utility model, is arranged on step 1 below, and described step 1 is installed on step rail 2, and it is mainly made up of fixed link 3, two L shaped plates 4, self-locking ring 5 and travel switch 8.
Described fixed link 3 adopts pipe or the little square tube of polygon, in ensureing rigidity, more save material than traditional entity structure, and easy to process, lighter and handier and be convenient to dismounting, on described fixed link 3, be fixedly installed at least one screw rod 7, preferably, described screw rod 7 is arranged on the medium position of described fixed link 3.
Step 1 has height or the decline scope h of a decline at collapsed mode, the top of described screw rod 7 is positioned at height or the decline scope h of described decline.
Described in two, L shaped plate 4 is connected in wherein between an end of step rail 2 and described fixed link 3, each described L shaped plate 4 has included the first side plate 401 and the second side plate 402, wherein, described the first side plate 401 is fixed on the below of step rail 2 by T-shaped bolt 201, described the second side plate 402 is movably connected on the end of described fixed link 3.
Described in two, described in two of L shaped plate 4, the second side plate 402 is all movably connected on two ends of described fixed link 3, so that described fixed link 3 can rotate along the direction of axis line O of described fixed link 3 under the drive of hard pressed described screw rod 7.
Described self-locking ring 5 is fixedly installed on one of them end of described fixed link 3 and can rotates with described fixed link 3, be between described fixed link 3 and described self-locking ring 4, to be continuous action relation, wherein any can drive another rotation in rotation, on the periphery of described self-locking ring 5, be at least provided with one first groove 501, this first groove 501 is half convex structure.
Described travel switch 8 is connected with a round nose 801, described round nose 801 produces certain displacement under strained condition, this displacement can make described travel switch 8 become an off state by channel status, thereby make elevator outage, and in the time that this displacement recovers, make described travel switch 8 again become a channel status, thereby ensure the operation of elevator.
The shape of described round nose 801 and described the first groove 501 match, and described round nose 801 is positioned at described the first groove 501 under elevator operation, in the time subsiding fault, described screw rod 7 drives fixed link 3 and self-locking ring 5 to rotate, thereby make described the first groove 501 also self-locking ring 5 there is certain skew, thereby make described round nose 801 first groove 501 described in distance under the compacting of the non-groove part of described self-locking ring 5, thereby make described round nose 801 produce a displacement that can make described travel switch 8 disconnect.
Described fixed link 3 is fixed in one end of described screw rod 7, the other end is positioned at described falling head h scope, thereby can make described screw rod 7 drive described fixed link 3 and described self-locking ring 5 to rotate, so that the non-groove part of described self-locking ring 5 is oppressed described round nose and described travel switch 8 is moved, in addition, regulate the other end of described screw rod 7 to protrude from the part of described falling head h, also can realize and make in various degree corresponding sensitivity response to what subside.
On the basis of said structure, also comprise a spring leaf 6, as shown in Figure 3, one end of described spring leaf 6 be fixed on wherein one described in L shaped plate 4, the other end is U-shaped structure 601, described U-shaped structure 601 matches with one second groove 502 further arranging on periphery at described self-locking ring 5, to reach actv. position-limiting action.
Under the state of nature of described spring leaf 6, be that described spring leaf 6 is not while thering is no elastic-restoring force, described U-shaped structure 601 is located in the second groove 502 of described self-locking ring 5, in the time that described self-locking ring 5 rotates, described U-shaped structure 601 is jumped out in described the second groove 502, thereby be subject to the compressing of non-groove part of described self-locking ring 5 and accumulation of energy, thereby make described spring leaf 6 there is the elastic-restoring force of the described self-locking ring 5 of a compacting, thereby make self-locking ring 5 keep lock-out state, reach position-limiting action, after trouble-shooting, described screw rod 7 is reversed to original position to be resetted round nose 801 can to recover the normal operating condition of elevator.
And preferably, described the second groove 502 and the symmetrical setting of described the first groove 501.
Further, two ends of described fixed link 3 are respectively provided with a locating dowel pin 9, to locate each described L shaped plate 4.
One of them end of described fixed link 3 is provided with an extension rod 11, is fixedly installed a stock 10 perpendicular to described extension rod 11 on described extension rod 11.
Wherein, described extension rod 11 can obtain by the length that lengthens described fixed link 3, also can the shank portion of fixed link 3 be lengthened by extension tube attached body structure, described stock 10 can be vertical relation with extension rod 11 parts of fixed link 3, also can be for thering is the tilt relationship of certain angle, in actual applications so that use and the structural relation that do not affect elevator is advisable, the object of this design is in misoperation or think when test, only need dismounting cover plate, do not need just energy direct reduction step sagging protecting device of dismounting step 1, work capacity is greatly reduced.
On described fixed link 3, be fixedly installed multiple screw rods 7 different in size, during with the situation of subsiding of corresponding different brackets, can react better.
Step sagging protecting device described in the utility model is not only applicable to automatic elevator, also applicable to moving sidewalk, and its structure and principle and upper identical.
Above-described embodiment is only for the utility model creation example is clearly described, and the not restriction to the utility model detailed description of the invention.For the syntagmatic of each parts is clearly described, above various illustrative parts and annexation thereof are carried out usually describing around its function, to realize which kind of function as for the combination of this parts, the design constraint that depends on specific application and whole device is applied.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.All any apparent variations of being extended out within spirit of the present utility model and principle or variation are still among the protection domain in this claim.
Claims (7)
1. a step sagging protecting device, is arranged on step and step rail below, it is characterized in that, includes:
Fixed link, is fixedly installed at least one screw rod on described fixed link;
Self-locking ring, is fixedly installed on described fixed link and can rotates with described fixed link, and at least including one first groove;
Travel switch, described travel switch has a round nose, and this round nose is positioned at described the first groove, and round nose generation displacement makes travel switch become path or disconnection under strained condition;
The height that step declines at collapsed mode is h, the top of described screw rod is positioned at the height h scope of described decline, described screw rod drives described fixed link and described self-locking ring to rotate, and the non-groove part of described self-locking ring is oppressed described round nose and made described travel switch action.
2. step sagging protecting device according to claim 1, is characterized in that, also comprises two L shaped plates, and each described L shaped plate is connected in wherein between an end of described step rail and described fixed link.
3. step sagging protecting device according to claim 2; it is characterized in that, each described L shaped plate has included the first side plate and the second side plate, wherein; the first side plate is fixed on step rail below by T-shaped bolt, and the second side plate is movably connected on the end of described fixed link.
4. step sagging protecting device according to claim 2, is characterized in that, also comprises a spring leaf, one end of described spring leaf be fixed on wherein one described in L shaped plate, the other end is U-shaped structure; Described self-locking ring also includes one second groove, and described U-shaped structure is located in the second groove of described self-locking ring under state of nature.
5. step sagging protecting device according to claim 2, is characterized in that, two ends of described fixed link are respectively provided with a locating dowel pin, to locate each described L shaped plate.
6. step sagging protecting device according to claim 1, is characterized in that, described fixed link adopts pipe or the little square tube of polygon.
7. step sagging protecting device according to claim 1, is characterized in that, one of them end of described fixed link is provided with an extension rod, is fixedly installed a stock perpendicular to described extension rod on described extension rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242201.8U CN203889856U (en) | 2014-05-13 | 2014-05-13 | Stair collapse protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420242201.8U CN203889856U (en) | 2014-05-13 | 2014-05-13 | Stair collapse protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203889856U true CN203889856U (en) | 2014-10-22 |
Family
ID=51716284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420242201.8U Expired - Lifetime CN203889856U (en) | 2014-05-13 | 2014-05-13 | Stair collapse protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203889856U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905775A (en) * | 2016-06-03 | 2016-08-31 | 苏州铃木电梯有限公司 | Handrail elevator security protection system |
| CN106115449A (en) * | 2016-08-04 | 2016-11-16 | 港日电梯有限公司 | A kind of anti-structure of sinking being applied to escalator or moving sidewalk |
| CN107458956A (en) * | 2017-09-14 | 2017-12-12 | 通用电梯股份有限公司 | A kind of anti-step mounting structure for stepping on sky of escalator |
-
2014
- 2014-05-13 CN CN201420242201.8U patent/CN203889856U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905775A (en) * | 2016-06-03 | 2016-08-31 | 苏州铃木电梯有限公司 | Handrail elevator security protection system |
| CN106115449A (en) * | 2016-08-04 | 2016-11-16 | 港日电梯有限公司 | A kind of anti-structure of sinking being applied to escalator or moving sidewalk |
| CN107458956A (en) * | 2017-09-14 | 2017-12-12 | 通用电梯股份有限公司 | A kind of anti-step mounting structure for stepping on sky of escalator |
| CN107458956B (en) * | 2017-09-14 | 2019-09-20 | 通用电梯股份有限公司 | A kind of escalator is anti-to step on empty step mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170807 Address after: 311227 west of Yangcheng Road, Nanyang Street Economic and Technological Development Zone, Xiaoshan District, Zhejiang, Hangzhou Patentee after: SYNEY ELECTRIC (HANGZHOU) CO.,LTD. Address before: 311227 No. 31 Yangcheng Road, Nanyang Development Zone, Hangzhou, Zhejiang, Xiaoshan Patentee before: SYNEY ELEVATOR (HANGZHOU) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 18 Xinta Jinshen Road, Lili Town, Wujiang District, Suzhou City, Jiangsu Province, 215200 Patentee after: Xini Electromechanical Group Co.,Ltd. Address before: 311227 West side of Yangcheng Avenue, Nanyang Street Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: SYNEY ELECTRIC (HANGZHOU) CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |