CN111595608B - Escalator comb tooth performance testing mechanism - Google Patents
Escalator comb tooth performance testing mechanism Download PDFInfo
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- CN111595608B CN111595608B CN202010556687.2A CN202010556687A CN111595608B CN 111595608 B CN111595608 B CN 111595608B CN 202010556687 A CN202010556687 A CN 202010556687A CN 111595608 B CN111595608 B CN 111595608B
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- rack
- comb
- comb tooth
- lead screw
- escalator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses an escalator comb tooth performance testing mechanism, which belongs to escalator performance testing devices and is used for detecting the sensitivity of an escalator comb tooth plate safety mechanism, wherein a comb tooth mounting seat and a simulation mechanism are arranged at two ends of a frame; the driving wheels are arranged on displacement blocks at two sides of the rack, and the displacement blocks are connected with the rack through sliding rails; a driving motor is arranged on the displacement block body on one side of the synchronous shaft and is connected with one end of the synchronous shaft through a gearbox; the comb tooth mounting seat is characterized in that a synchronizing rod is mounted at one end, far away from the comb tooth mounting seat, of the displacement block body, the synchronizing rod penetrates through the rack and then is fixedly connected with the synchronizing plate body, a lead screw is arranged between the rack and the synchronizing plate body, one end of the lead screw is mounted on the rack through a bearing assembly, a lead screw nut matching structure is adopted between the synchronizing plate body and the lead screw, and a handle is mounted at the tail end of the lead screw.
Description
Technical Field
The invention belongs to escalator performance testing devices, and particularly relates to an escalator comb performance testing mechanism.
Background
In public places with more intensive personnel, such as department stores, urban subways and the like, the escalators are mostly used as personnel conveying devices, and compared with elevators, the elevators can convey and transfer more personnel in the same time. In the process of escalator operation, the tail end along the escalator operation direction can be provided with the fishback, and the fishback is used for placing and attaching to or dropping in notch cuttype or plane step foreign matter and enters into the inside mechanical structure of escalator, guarantees the normal operating of escalator. People are along with the ascending or descending in-process of staircase, need avoid the forward that foot and comb plate collided and lead to fall or other incident in the position department of comb plate.
It is known from the above background that a comb plate is one of main safety monitoring mechanisms of an escalator, the detection sensitivity of the comb plate to foreign matters determines whether the foreign matters can enter a mechanical structure inside the escalator or not, when the foreign matters enter a gap between a step of the escalator and comb teeth, the comb teeth can move to realize effective protection, so that a definite requirement is provided for the protection of the comb plate in GB16899-2011, if a foreign matter card enters the meshing position of the comb plate and the step groove, the comb plate cannot be normally meshed with the step or broken, and when the comb plate collides with the step or the pedal, the escalator or the moving walkway should automatically stop running. In order to achieve the above standard, chinese patent invention CN108792914A provides a comb plate protection device for an escalator, which can effectively detect the up-down and front-back movement of the comb plate, thereby protecting the escalator in time. Similar technical schemes of shape, color and color appear in the market, the actions of the comb plate are monitored, but how to reasonably evaluate mechanisms for monitoring the comb plate becomes a technical problem to be solved by escalator manufacturing enterprises and even use management parties.
Disclosure of Invention
The invention aims to provide a mechanism for testing the performance of comb teeth of an escalator, which can measure the reaction sensitivity of a comb tooth safety mechanism by simulating the running state and the foreign matter state of the escalator.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the automatic escalator comb tooth performance testing mechanism comprises a rack, wherein two ends of the rack are respectively provided with a comb tooth mounting seat and a simulation mechanism, comb teeth are arranged on the comb tooth mounting seat, the simulation mechanism comprises two groups of driving wheels which are arranged in pairs, the driving wheels which are arranged in pairs are connected through a synchronous shaft, a conveying belt covers the two groups of driving wheels which are arranged in pairs, protruding parts corresponding to the comb teeth are arranged on the conveying belt, and simulation foreign matters are distributed on the conveying belt between the adjacent protruding parts; the driving wheel is arranged on displacement blocks at two sides of the rack through a synchronous shaft and a bearing assembly, the displacement blocks are connected with the rack through slide rails and move along the slide rails of the rack; a driving motor is arranged on the displacement block body on one side of the synchronous shaft and is connected with one end of the synchronous shaft through a gearbox; the comb tooth mounting seat is characterized in that a synchronizing rod is mounted at one end, far away from the comb tooth mounting seat, of the displacement block body, the synchronizing rod penetrates through the rack and then is fixedly connected with the synchronizing plate body, a lead screw is arranged between the rack and the synchronizing plate body, one end of the lead screw is mounted on the rack through a bearing assembly, a lead screw nut matching structure is adopted between the synchronizing plate body and the lead screw, and a handle is mounted at the tail end of the lead screw.
Furthermore, side plates are arranged on two sides of the comb tooth mounting seat and connected with the comb tooth mounting seat through fixing bolts; the top end face of the side plate is processed with a threaded hole, a side plate fixing piece is installed in the threaded hole, and the side plate fixing piece is connected with the side plate and the rack.
Furthermore, the side plate fixing piece is a screw, and the screw penetrates through a threaded hole in the side plate and then is connected with an adjusting groove body in the rack.
Furthermore, supporting rods distributed around the synchronizing shaft are distributed between the driving wheels arranged in pairs, two ends of each supporting rod are respectively connected with the driving wheel on the corresponding side, and the supporting rods are in contact with the inner surface of the conveying belt in the process of rotating along with the driving wheels.
Furthermore, the conveyor belt is provided with a plurality of foreign matter mounting holes on the belt body between the adjacent bulges, and the foreign matter mounting holes fix the simulated foreign matters on the outer surface of the conveyor belt through screws.
Furthermore, the simulated foreign body is a disc-shaped plate body, and a threaded hole is processed in the center of the disc-shaped plate body; the simulated foreign bodies arranged between the adjacent bulges of the conveyor belt are arranged in a staggered manner and have different thicknesses; in the same moving direction, the simulated foreign bodies with smaller thickness are positioned in front of the simulated foreign bodies with larger thickness.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through designing a reasonable mechanical structure, the reaction sensitivity of the comb tooth safety mechanism to foreign matters in the escalator step in the contact process of the escalator step and the comb teeth is simulated, and then the safety of the escalator comb tooth structure is evaluated.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
In the figure: 1. a side plate; 2. a side plate fixing member; 3. a comb mounting seat; 4. adjusting the groove body; 5. a conveyor belt; 6. a projection; 7. simulating a foreign body; 8. a foreign matter mounting hole; 9. a drive wheel; 10. a displacement block; 11. a synchronization lever; 12. a lead screw; 13. a synchronization plate body; 14. a handle; 15. a synchronizing shaft; 16. a support bar; 17. a drive motor; 18. a gearbox; 19. fixing the bolt; 20. a slide rail.
Detailed Description
The technical solution of the present invention will be further described and illustrated with reference to the following examples. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all based on the visual orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as facilitating better understanding of the technical aspects of the present invention by those skilled in the art.
In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
A kind of escalator comb tooth performance test mechanism, including the stander, the both ends of the said stander are fitted with the mounting seat 3 of comb tooth, analog mechanism respectively, the said comb tooth mounting seat 3 is fitted with the comb tooth, the said analog mechanism includes two groups of drive wheels 9 set up in pairs, connect through the synchronizing shaft 5 between the drive wheels 9 set up in pairs, two groups of drive wheels 9 set up in pairs are covered with the conveyer belt 5, there are projections 6 corresponding to comb tooth on the conveyer belt 5, distribute and imitate the foreign matter 7 on the conveyer belt 5 between adjacent projections 6; the driving wheel 9 is arranged on the displacement block bodies 10 at two sides of the rack through the synchronizing shaft 15 and the bearing assembly, the displacement block bodies 10 are connected with the rack through the slide rails 20, and the displacement block bodies 10 move along the slide rails 20 of the rack; a driving motor 17 is arranged on the displacement block body 10 at one side of the synchronous shaft 15, and the driving motor 17 is connected with one end of the synchronous shaft 15 through a gearbox 18; a synchronous rod 11 is installed at one end, far away from the comb mounting seat 3, of the displacement block 10, the synchronous rod 11 penetrates through the rack and then is fixedly connected with a synchronous plate body 13, a lead screw 12 is arranged between the rack and the synchronous plate body 13, one end of the lead screw 12 is installed on the rack through a bearing assembly, a lead screw nut matching structure is adopted between the synchronous plate body 13 and the lead screw 12, and a handle 14 is installed at the tail end of the lead screw 12; the two sides of the comb tooth mounting seat 3 are provided with side plates 1, and the side plates 1 are connected with the comb tooth mounting seat 3 through fixing bolts 19; a threaded hole is processed on the top end face of the side plate 1, a side plate fixing piece 2 is installed in the threaded hole, and the side plate fixing piece 2 is connected with the side plate 1 and the rack; the side plate fixing piece 2 is a screw, and the screw penetrates through a threaded hole in the side plate 1 and then is connected with an adjusting groove body 4 in the rack.
Example 2
A kind of escalator comb performance test mechanism, wherein distribute the bracing piece 16 distributed around synchronizing shaft 15 between the said drive wheel 9 that sets up in pairs, both ends of the bracing piece 16 are connected with drive wheel 9 of one side corresponded to separately, and the bracing piece 16 contacts with inner surface of the conveyer belt 5 in the course of following the drive wheel 9 to rotate; the conveyor belt 5 is provided with a plurality of foreign matter mounting holes 8 on the belt body between the adjacent bulges 6, and the foreign matter mounting holes 8 fix the simulated foreign matters 7 on the outer surface of the conveyor belt 5 through screws; the simulated foreign body 7 is a disc-shaped plate body, and a threaded hole is processed in the center of the plate body; the simulated foreign bodies 7 arranged between the adjacent bulges 6 of the conveyor belt 5 are arranged in a staggered manner and have different thicknesses; the simulated foreign matter 7 with the smaller thickness is positioned in front of the simulated foreign matter 7 with the larger thickness in the same moving direction. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.
On the basis of the above embodiments, the present invention continues to describe the technical features and functions of the technical features in the present invention in detail to help those skilled in the art fully understand the technical solutions of the present invention and reproduce them.
In the invention, the rack is used for mounting the comb tooth mounting seat 3 and the simulation mechanism which is positioned at one side of the comb tooth mounting seat 3 and can adjust the position relative to the comb tooth mounting seat 3. Through the simulation foreign matter that sets up different thickness on analog mechanism to detect the sensitivity of broach to different foreign matters, and then confirm broach safety mechanism's performance in the staircase.
In the invention, the comb tooth mounting seat 3 is positioned at one end of the frame and is fixed with the frame through the side plates 1 at two sides. The side plate 1 is connected with the comb tooth mounting base 3 through a fixing bolt 19 penetrating through the side surface. The side plate 1 is mounted on the frame 1 through a side plate fixing member 2 at the top end, specifically, in the invention, the side plate fixing member 2 penetrates through the side plate 1 and then extends into an adjusting groove body 4 of the frame. The side plates are screwed in and screwed out through the side plate fixing pieces 2 to realize contact with the side walls on two sides of the adjusting groove body 4, and then the comb tooth mounting base 3 is fixed on the rack.
In the invention, the simulation mechanism comprises a conveyor belt 5 simulating an escalator, the conveyor belt 5 is provided with convex parts 6 protruding out of the surface, and simulated foreign bodies 7 with dislocation and different thicknesses are arranged between the adjacent convex parts 6. The thickness of the simulated foreign matter 7 gradually increases in the advancing direction of the rotation of the conveyor belt 5. The thickness of the simulated foreign bodies 7 can be increased by stacking the simulated foreign bodies with unit thickness and then connecting the stacked simulated foreign bodies with fixing screws. In order to realize the connection of the simulated foreign bodies 7 on the conveyor belt 5, a plurality of foreign body mounting holes 8 are uniformly distributed on the conveyor belt 5. The foreign matter mounting hole 8 is a stepped hole in the lower surface of the conveyor belt 5, and connects and fixes the simulated foreign matter 7 after passing through the conveyor belt 5 from bottom to top by a screw.
In the invention, the conveyor belt 5 is supported and driven by the driving wheel 9. Specifically, in the present invention, the driving wheels 9 are grouped into pairs, and two driving wheels 9 are arranged on two sides of the rack. Synchronous rotation between the driving wheels 9 arranged in pairs is achieved through a synchronizing shaft 15. And two ends of the synchronous shaft 15 are mounted on the displacement blocks 10 on the corresponding sides through bearing structures. The displacement block 10 is a cuboid structure, and the bottom of the displacement block is provided with a sliding groove corresponding to the sliding rail 20, and the displacement block can be mounted on the sliding rail 20 through the sliding groove and can slide along the sliding rail 20. The sliding rails 20 are located at two sides of the frame.
In the present invention, after one end of the synchronizing shaft 15 is fixed on the displacement block 10 through a bearing structure, it can also be connected with a gearbox 18, and the input end of the gearbox 18 is connected with the output shaft of the driving motor 17. The driving motor 17 drives the gearbox 18 connected with the driving motor to work through the output shaft, the gearbox 18 drives the synchronizing shaft 15 connected with the output end of the gearbox to rotate, the two ends of the synchronizing shaft 15 are provided with the driving wheels 9, the driving wheels 9 rotate along with the rotation of the synchronizing shaft 15, the driving wheels 9 drive the conveyor belt 5 to rotate in the rotating process, the conveyor belt 5 drives the simulation foreign bodies 7 arranged on the conveyor belt 5 to move in the rotating process, the simulation foreign bodies 7 are in contact with the comb teeth on the comb tooth mounting seat 3 in the sequence of being thin firstly and then thick, the comb teeth can move or lift after being in contact with the foreign bodies, and then the triggering of various safety mechanisms connected with the comb teeth can be driven. The recording triggers the different foreign matter thickness of broach can provide the reference to the sensitivity of broach and its safety monitoring mechanism.
In the present invention, the displacement block 10 is connected to one end of the frame through the synchronization rod 11, and the synchronization rod 11 can drive the displacement block 10 to move along the slide rail 20. The other end of the synchronizing rod 11 is connected to the synchronizing plate body 13, and a screw nut matching structure is adopted between the synchronizing plate body 13 and the screw 12 penetrating through the synchronizing plate body, so that the synchronizing rod 11 can move along with the rotation of the screw 12 and then is driven. One end of the screw 12 is mounted on the frame through a bearing structure, a handle 14 is mounted at the tail end of the screw 12, and the rotation of the screw 12 is realized by shaking the handle 14.
Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (5)
1. The utility model provides an automatic staircase broach capability test mechanism, includes the frame, its characterized in that: the comb tooth mounting seat (3) and the simulation mechanism are respectively mounted at two ends of the rack, comb teeth are mounted on the comb tooth mounting seat (3), the simulation mechanism comprises two groups of driving wheels (9) which are arranged in pairs, the driving wheels (9) which are arranged in pairs are connected through a synchronizing shaft (15), a conveyor belt (5) covers the two groups of driving wheels (9) which are arranged in pairs, protruding parts (6) corresponding to the comb teeth are arranged on the conveyor belt (5), and simulation foreign matters (7) are distributed on the conveyor belt (5) between the adjacent protruding parts (6); the driving wheel (9) is arranged on displacement blocks (10) on two sides of the rack through a synchronizing shaft (15) and a bearing assembly, the displacement blocks (10) are connected with the rack through sliding rails (20), and the displacement blocks (10) move along the sliding rails (20) of the rack; a driving motor (17) is arranged on the displacement block (10) on one side of the synchronous shaft (15), and the driving motor (17) is connected with one end of the synchronous shaft (15) through a gearbox (18); a synchronous rod (11) is installed at one end, far away from the comb mounting seat (3), of the displacement block body (10), the synchronous rod (11) penetrates through the rack and then is fixedly connected with a synchronous plate body (13), a lead screw (12) is arranged between the rack and the synchronous plate body (13), one end of the lead screw (12) is installed on the rack through a bearing assembly, a lead screw nut matching structure is adopted between the synchronous plate body (13) and the lead screw (12), and a handle (14) is installed at the tail end of the lead screw (12); the simulated foreign body (7) is a disc-shaped plate body, and a threaded hole is processed in the center of the plate body; the simulated foreign bodies (7) arranged between the adjacent bulges (6) of the conveyor belt (5) are arranged in a staggered manner and have different thicknesses; in the same moving direction, the simulated foreign bodies (7) with smaller thickness are positioned in front of the simulated foreign bodies (7) with larger thickness.
2. The escalator comb performance testing mechanism according to claim 1, characterized in that: the two sides of the comb tooth mounting seat (3) are provided with side plates (1), and the side plates (1) are connected with the comb tooth mounting seat (3) through fixing bolts (19); the top end face of the side plate (1) is processed with a threaded hole, a side plate fixing piece (2) is installed in the threaded hole, and the side plate fixing piece (2) is connected with the side plate (1) and the rack.
3. The escalator comb performance testing mechanism according to claim 2, characterized in that: the side plate fixing piece (2) is a screw, and the screw penetrates through a threaded hole in the side plate (1) and then is connected with an adjusting groove body (4) in the rack.
4. The escalator comb performance testing mechanism according to claim 1, characterized in that: supporting rods (16) distributed around the synchronizing shaft (15) are distributed between the driving wheels (9) arranged in pairs, two ends of each supporting rod (16) are connected with the corresponding driving wheel (9) on one side respectively, and the supporting rods (16) are in contact with the inner surface of the conveyor belt (5) in the process of rotating along with the driving wheels (9).
5. The escalator comb performance testing mechanism according to claim 1, characterized in that: the conveyer belt (5) is processed on the area body between adjacent bulge (6) and is had a plurality of foreign matter mounting holes (8), and foreign matter mounting hole (8) are fixed simulation foreign matter (7) through the screw at the surface of conveyer belt (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010556687.2A CN111595608B (en) | 2020-06-18 | 2020-06-18 | Escalator comb tooth performance testing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010556687.2A CN111595608B (en) | 2020-06-18 | 2020-06-18 | Escalator comb tooth performance testing mechanism |
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| CN111595608A CN111595608A (en) | 2020-08-28 |
| CN111595608B true CN111595608B (en) | 2021-12-17 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031918A1 (en) * | 2006-09-15 | 2008-03-20 | Kone Corporation | Method, testing device and arrangement for testing the safety switches of a comb plate of a people mover |
| DE102011112528A1 (en) * | 2011-09-07 | 2013-03-07 | Henning Testing Systems Gmbh | Method for examining safety of escalator in e.g. department store, involves releasing switching-off system if force applied on plate exceeds threshold value, and checking deactivation of movement of steps and release of system |
| CN204027822U (en) * | 2014-06-19 | 2014-12-17 | 广州广日电梯工业有限公司 | The load testing machine of a kind of staircase or walkway kinematic train |
| CN104760878A (en) * | 2015-04-29 | 2015-07-08 | 西安特种设备检验检测院 | Comb plate safety protection detection device |
| CN105836590A (en) * | 2016-05-12 | 2016-08-10 | 苏州富士电梯有限公司 | Comb plate stress detecting device of escalator |
| CN206162919U (en) * | 2016-04-22 | 2017-05-10 | 江苏华科教育装备有限公司 | Automatic real device of instructing of staircase |
| CN106946139A (en) * | 2017-05-19 | 2017-07-14 | 合肥工业大学 | Escalator and moving sidewalk fishback safeguard protection detection means and detection method |
| CN107601249A (en) * | 2017-09-08 | 2018-01-19 | 嘉兴市特种设备检验检测院 | A kind of detection method of stair comb plate foreign matter protection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510491A (en) * | 2019-08-06 | 2019-11-29 | 广东省特种设备检测研究院珠海检测院 | A kind of automatic staircase comb plate safety protection function detection system and method |
-
2020
- 2020-06-18 CN CN202010556687.2A patent/CN111595608B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031918A1 (en) * | 2006-09-15 | 2008-03-20 | Kone Corporation | Method, testing device and arrangement for testing the safety switches of a comb plate of a people mover |
| DE102011112528A1 (en) * | 2011-09-07 | 2013-03-07 | Henning Testing Systems Gmbh | Method for examining safety of escalator in e.g. department store, involves releasing switching-off system if force applied on plate exceeds threshold value, and checking deactivation of movement of steps and release of system |
| CN204027822U (en) * | 2014-06-19 | 2014-12-17 | 广州广日电梯工业有限公司 | The load testing machine of a kind of staircase or walkway kinematic train |
| CN104760878A (en) * | 2015-04-29 | 2015-07-08 | 西安特种设备检验检测院 | Comb plate safety protection detection device |
| CN206162919U (en) * | 2016-04-22 | 2017-05-10 | 江苏华科教育装备有限公司 | Automatic real device of instructing of staircase |
| CN105836590A (en) * | 2016-05-12 | 2016-08-10 | 苏州富士电梯有限公司 | Comb plate stress detecting device of escalator |
| CN106946139A (en) * | 2017-05-19 | 2017-07-14 | 合肥工业大学 | Escalator and moving sidewalk fishback safeguard protection detection means and detection method |
| CN107601249A (en) * | 2017-09-08 | 2018-01-19 | 嘉兴市特种设备检验检测院 | A kind of detection method of stair comb plate foreign matter protection device |
Non-Patent Citations (2)
| Title |
|---|
| 扶梯梳齿板异物保护装置失效型式分析及检测方法;江叶峰;《质量与认证》;20170228;第71-73页 * |
| 自动扶梯梳齿板安全检测装置;王宜藩;《机械工程师》;20181130;第54-56页 * |
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