CN106629364B - It can prevent the step chain of automatic escalator structure that pivot pin loosens - Google Patents
It can prevent the step chain of automatic escalator structure that pivot pin loosens Download PDFInfo
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- CN106629364B CN106629364B CN201710003897.7A CN201710003897A CN106629364B CN 106629364 B CN106629364 B CN 106629364B CN 201710003897 A CN201710003897 A CN 201710003897A CN 106629364 B CN106629364 B CN 106629364B
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- pivot pin
- step chain
- plate
- folded plate
- chain
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Classifications
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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
- B66B23/024—Chains therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
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- Escalators And Moving Walkways (AREA)
Abstract
A kind of step chain of automatic escalator structure that can prevent that pivot pin from loosening, belongs to escalator component technology field.Including step chain roller track and step chain, step chain roller track is formed with traction main wheel raceway, step chain includes a plurality of link units of mutual circulation connection, each link units include being organized in pairs and parallel inner chain sheet, are organized in pairs and parallel outer chain sheet, for pivot pin that inner chain sheet be articulated and connected together with outer chain sheet and corresponding to the inner side of inner chain sheet and the steel wheel that is located at front and rear corresponding state on pivot pin and draw main wheel, draw main wheel and form rolling pair, feature with traction main wheel raceway：Pivot pin is further included and has loosened testing agency, it is fixed and corresponding with the leading flank of step chain or trailing flank at the same time with step chain roller track.Embody excellent automatic online detection efficiency and detection result and mitigate the working strength of inspection personnel and be able to ensure that the safe operation of step avoids that accident occurs at the same time.
Description
Technical field
The invention belongs to escalator component technology field, and in particular to a kind of escalator that can prevent pivot pin from loosening ladder
Level chain structure.
Background technology
Since the function of step chain of automatic escalator is that the step for drawing escalator moves again and again, thus industry
Step chain custom is known as step traction chain or walkway steps traction chain, and step chain is in a state of use
With with paired shape appearance, the step of escalator is connected with step chain respectively by the both ends of its step axle, to this
It may refer to saying for " the step axle sleeve of escalator step axis " of Chinese patent Authorization Notice No. CN202369243U recommendations
Bright book final stage of page 2.
Concrete structure on step chain of automatic escalator can be seen in disclosed Chinese patent literature, such as
" sprocket wheel of escalator step or automatic sidewalk pedal ", the publication No. CN102537213A of CN2855986Y recommendations are provided
" a kind of escalator and light-duty step chain and its application " and Authorization Notice No. CN201031923Y disclose " escalator or
Dragging chain of moving sidewalk ", etc..
Step chain is driven by transmission steel wheel, and is driven steel wheel and is fixed in sprocket spindle, and solid in sprocket spindle
Equipped with motor drive sprocket, by motor by chain-driving motor drive sprocket, sprocket spindle is driven by motor drive sprocket, by
Sprocket spindle drives transmission steel wheel, finally drives step chain by transmission steel wheel, connected step is driven by step chain.
Can step chain be all the time consider escalator operation quality one around aforementioned drive steel wheel smooth motion
Important factor, such as when sideslip occurs in step chain, then by the step of its drive when entering fishback, because step with
Fishback cannot accurately engage and on the one hand cause to wear or even trigger accident, on the other hand can reduce step frame and broach
The service life of plate, another further aspect easily make transmission because of the friction that the stress of step chain increases and aggravates and is driven between steel wheel
Both steel wheel and step chain all damage, and can send in step chain motion process chirp the noise chuckleed；And for example, ladder is worked as
When the pivot pin of the structural system of level chain loosens, then can equally produce all problems before being not limited to, or even it is also possible to trigger
Even more serious serious accident.
Preventing the technical measures of step chain sideslip can be seen in disclosed Chinese patent literature, such as CN2815989Y
（The chain wheel deviation preventing mechanism of escalator）、CN101590974B（A kind of stair comb plate and stair deviation prevention device）With
CN103787187B（The step chain anti-deviation device of escalator）, etc..But the knot that can prevent step chain is not seen in
The technical information that the pivot pin of structure system loosens.
Inspection whether being loosened at present to the pivot pin of step chain mainly when maintaining escalator periodic maintenance by
Inspection personnel are by visually observing, and there are following shortcoming for this inspection measure：First, since escalator cannot run
Whether real time status, that is, pivot pin in journey is in the presence of loosening finding thus, have certain hysteresis quality, it is impossible to play in time
The positive effect to prevent trouble before it happens；Second, since the length of escalator is longer, the length of step chain also corresponding longer, structure
Quantity into the link units of step chain is just more, the same example of quantity of pivot pin, thus in time-based maintenance, checks workload phase
To big, and spent time is grown；Third, since the factors such as the experience of hand inspection and inspection personnel, accountability are related, thus examine
The quality looked into objectively varies with each individual.
For above-mentioned prior art, it is necessary to improved, the applicant has made beneficial design for this, forms following
The technical solution that will be introduced.
The content of the invention
The task of the present invention is that providing one kind contributes in the case where escalator is in running order with automatic detection mode
The situation that loosens for being possible to occur to pivot pin incessantly predicts and uses and embody excellent automatic detection efficiency and inspection in time
Survey effect and mitigate the working strength of inspection personnel and ensure that step safe operation avoids that preventing for accident occurs at the same time
The step chain of automatic escalator structure that pivot pin loosens.
The task of the present invention is so to complete, a kind of step chain of automatic escalator structure that can prevent that pivot pin from loosening,
The step chain of rolling pair is formed including step chain roller track and with step chain roller track, step chain roller track is led formed with one
Draw main wheel raceway, step chain includes a plurality of link units of mutual circulation connection, and each link units include being organized in pairs
And parallel inner chain sheet, be organized in pairs and same parallel be used for the institute of two adjacent link units
State the outer chain sheet of inner chain sheet connection, for pivot pin that inner chain sheet is articulated and connected together with outer chain sheet and corresponding to inner chain sheet
Inner side and steel wheel on the pivot pin and traction main wheel are rotatably arranged at front and rear corresponding state, traction main wheel with it is described
Draw main wheel raceway and form rolling pair, be characterized in that having further included a pivot pin loosens testing agency, which loosens testing agency
Fixed with the step chain roller track while corresponding with the leading flank of the step chain or trailing flank.
In the specific embodiment of the present invention, the pivot pin, which loosens testing agency, to be included roller guide box, slides
Frame plate, upper holder, lower fixed frame, first axle pin position signal collector and the second pivot pin position signal acquisition device, roller are led
Case corresponds to the top of the traction main wheel, and formed with a traction main wheel resigning chamber, this leads for the side of the roller guide box under
The left end for drawing main wheel resigning chamber from roller guide box is penetrated through to right end, slide the rear end of frame plate and the top fixation of roller guide box and
At least one slip frame plate is provided with the rear end for sliding frame plate and moves back and forth guider, exhibition is rolled over downwards in the front end for sliding frame plate
And frame plate folded plate is slided formed with one, which corresponds to the front side of the step chain, the rear end of upper holder
Be nested with and moved back and forth in the slip frame plate on guider, the exhibition of rolling over downwards of the front end of upper holder and formed with a upper holder
Folded plate, the upper holder folded plate correspond to the front side for sliding frame plate folded plate and, lower fixation longitudinally parallel with slip frame plate folded plate
The rear end of frame is stretched over the lower section of step chain roller track and is fixed with step chain roller track, and exhibition is rolled in the front end of lower fixed frame upwards
And it is connected formed with a lower fixed frame folded plate, the lower fixed frame folded plate with fixed frame folded plate, first axle pin position signal
Collector and the second pivot pin position signal acquisition device are fixed on the slip frame plate folded plate with the corresponding state in left and right each other, and
And the first axle pin position signal collector and the second pivot pin position signal acquisition device are corresponding with the front side of step chain, when
The pivot pin loosen and forwards play when, by the first axle pin position signal collector collection signal, and work as pivot pin
Signal is gathered by the second pivot pin position signal acquisition device when loosening and rearward play.
In another specific embodiment of the present invention, a pivot pin set, the steel are arranged with the pivot pin
Wheel and traction main wheel are rotationally nested with pivot pin set.
In another specific embodiment of the present invention, the traction main wheel is rotationally covered by drawing main axle and holding
Put on pivot pin set, a bearing is respectively fixed with pivot pin set and in the position corresponding to traction main axle brought forward side and rear side
Spacing block plate.
In another specific embodiment of the present invention, sliding groove is offered in the rear end of fixed frame, is set
The slip frame plate in the rear end of the slip frame plate moves back and forth guider and probes into the sliding groove.
In the also specific embodiment of the present invention, the slip frame plate, which moves back and forth guider, includes spiral shell
Bar, upper and lower packing ring, spring and lock nut, the base portion of screw rod and the rear end of the slip frame plate are fixed, and the top of screw rod is visited
Enter the sliding groove, upper and lower packing ring and spring are nested with screw rod, and spring is between upper and lower packing ring, lock nut
Screwed in the position of the corresponding top for being upper gasket on screw rod.
In a still more specific embodiment of the invention, fixed frame folded plate is offered on the lower fixed frame folded plate
Bolt adjustment tank is connected, fixed frame folded plate connection bolt is equipped with fixed frame folded plate connection bolt adjustment tank, described
Link bolt hole is offered on upper holder folded plate and in the position corresponding to fixed frame folded plate connection bolt adjustment tank, it is fixed
Frame folded plate connection bolt screws in link bolt hole and the connection bolt by screwing in the end of fixed frame flanging connection bolt limits
Determine nut restriction.
The present invention's and then in a specific embodiment, the step chain roller track has rail cavity, is led at this
The middle position of the width of the rail cavity bottom wall of rail chamber and follow the length direction of rail cavity bottom wall and offer a fixation
Plate lead-ingroove, is provided with a fixed plate in rail cavity, in the fixed plate and in the position corresponding to fixed plate lead-ingroove
A lower fixed frame fixing screws are fixed with, which is stretched over the lower section of step chain roller track, described lower solid
The rear end for determining frame is placed on the lower part of lower fixed frame fixing screws and by screwing the locking screw in lower fixed frame fixing screws
Mother's locking.
In yet a further embodiment of the present invention on the slip frame plate folded plate and corresponding to institute
The position for stating first axle pin position signal collector offers one first regulating tank, and believes corresponding to the second pivot pin position
The position of number collector offers one second regulating tank, the first axle pin position signal collector with horizontal boom state simultaneously
And fixed in the position corresponding to the first regulating tank by a pair of first binding nut with sliding frame plate folded plate, second axis
Sell position signal collector and equally pressed from both sides with horizontal boom state and in the position corresponding to the second regulating tank by a pair second
Tight nut is fixed with sliding frame plate folded plate.
In the present invention again and then in a specific embodiment, the first axle pin position signal collector and the
Two pivot pin position signal acquisition devices are to be closely located to switch, tongue tube or hall sensing element.
Technical solution provided by the invention has technical effect that：During stepping motion is driven by step chain, one
When the pivot pin of the structural system of denier step chain occurs loosening simultaneously and then produces displacement, then the structure of testing agency is loosened by pivot pin
The first axle pin position signal collector of system or the second pivot pin position signal acquisition device predict, and embody excellent automatic online
Detection efficiency and detection result and mitigate inspection personnel working strength and be able to ensure step safe operation keep away at the same time
Exempt from that accident occurs.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention structure chart.
Fig. 2 is the sectional view and application examples schematic diagram of Fig. 1.
Embodiment
In order to which the technical spirit and beneficial effect of the present invention is more clearly understood, applicant is below with embodiment
Mode elaborate, but the description to embodiment is not the limitation to the present invention program, any according to structure of the present invention
Think made only formal but not substantive equivalent transformation and be regarded as technical scheme category.
The concept of the every directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description
On the basis of the location status shown in Fig. 1, thus the special limit to technical solution provided by the invention cannot be understood as
It is fixed.
Fig. 1 is referred to, step chain roller track 1 is shown and the step chain of rolling pair is formed with step chain roller track 1
2, for step chain roller track 1 formed with a traction main wheel raceway 11, step chain 2 includes a plurality of chain link lists of mutual circulation connection
Member 21, each link units 21 include being organized in pairs and parallel（It is front and rear parallel）Inner chain sheet 211, be organized in pairs
It is and same parallel（It is front and rear parallel）For the exterior chain that connects the foregoing inner chain sheet 211 of two adjacent link units 21
Piece 212, for pivot pin 213 that inner chain sheet 211 is articulated and connected together with outer chain sheet 212 and in corresponding to inner chain sheet 211
Side and steel wheel 214 on foregoing pivot pin 213 and traction main wheel 215, traction master are rotatably arranged at front and rear corresponding state
Wheel 215 forms rolling pair with foregoing traction main wheel raceway 11.Since the step chain 2 of this structure type belongs to the prior art,
It see, for example, Chinese patent Authorization Notice No. CN203682847U（The Step chain structure of escalator）, thus applicant is not
Repeat again.
Technical essential as technical solution provided by the invention：In the system of foregoing step chain of automatic escalator structure
A pivot pin is further included and has loosened testing agency 3, which loosens testing agency 3 and foregoing step chain roller track 1 and fix and together
When it is corresponding with the leading flank of foregoing step chain 2, but can also be corresponding with the trailing flank of step chain 2.
Continue to see Fig. 1, foregoing pivot pin, which loosens testing agency 3, to be included roller guide box 31, slide frame plate 32, upper holder
33rd, lower fixed frame 34, first axle pin position signal collector 35 and the second pivot pin position signal acquisition device 36, roller guide box 31 is right
Main wheel resigning chamber 311 should be drawn formed with one in the top of foregoing traction main wheel 215, the side of the roller guide box 31 under,
The traction main wheel resigning chamber 311 penetrates through the rear end that frame plate 32 is slided to right end and roller guide box 31 from the left end of roller guide box 31
Top fixation and slide frame plate 32 rear end be provided with pair of sliding frame plate move back and forth guider 321, sliding rack
The front end of plate 32, which is rolled over downwards, opens up and slides frame plate folded plate 322 formed with one, which corresponds to foregoing step chains
The front side of bar 2, the rear end of upper holder 33 is nested with to be moved back and forth on guider 321 in foregoing slip frame plate, upper holder 33
The front end exhibition of rolling over downwards and formed with a upper holder folded plate 331, which, which corresponds to, slides frame plate folded plate
322 front side and parallel with sliding the longitudinal direction of frame plate folded plate 322, the rear end of lower fixed frame 34 is stretched over step chain roller track 1
Lower section and fixed with step chain roller track 1, the front end exhibition of rolling over upwards of lower fixed frame 34 and formed with a lower fixed frame folded plate
341, which is connected with foregoing upper holder folded plate 331, first axle pin position signal collector 35 and second
Pivot pin position signal acquisition device 36 is fixed on foregoing slip frame plate folded plate 322 with the corresponding state in left and right each other, and this
One pivot pin position signal acquisition device 35 and the second pivot pin position signal acquisition device 36 are corresponding with the front side of step chain 2, when
Foregoing pivot pin 213 loosen and forwards play when, signal is gathered by foregoing first axle pin position signal collector 35, and work as
Signal is gathered by the second foregoing pivot pin position signal acquisition device 36 when the loosening of pivot pin 213 and rearward play.
According to professional general knowledge, due to first axle pin position signal collector 35 and the second pivot pin position signal acquisition device 36
A measuring distance L is maintained between the front end surface of pivot pin 213 respectively（Fig. 2 shows）Thus once pivot pin 213 goes out because of loosening
Now during displacement forward or backward, then since measuring distance L is changed, such as when 213 anterior displacement of pivot pin, because of pivot pin
Measuring distance L between 213 front end surface and first axle pin position signal collector 35 diminishes, then by the first axle pins position
Put signal picker 35 and signal is fed back into electric controller, escalator is shut down and according to needing to alarm, to prompt user couple
Escalator is fixed a breakdown.Conversely, when there is the situation of 213 rearward displacement of pivot pin, the front end surface of pivot pin 213 and the second axis
Measuring distance L between pin position signal collector 36 becomes larger, then by the second pivot pin position signal acquisition device 36 that signal is anti-
Feed electric controller, escalator is shut down and according to needing to alarm, to prompt user to fix a breakdown escalator.
In addition, can also be from the signal of Fig. 1, when step chain 2 is on the traction main wheel raceway 11 of step chain roller track 1
When there is micro front and rear offset, then drive roller guide box 31 to deviate accordingly by traction main wheel 215, and then led by roller
Case 31, which drives, slides the also respective offsets of frame plate 32, it is thus ensured that first, second foregoing pivot pin position signal acquisition device 35,36 with
The distance between the end face of pivot pin 213 L is remained unchanged（Unless there is loosening situation in pivot pin 213）.
Pivot pin set 2131 is arranged with foregoing pivot pin 213, foregoing steel wheel 214 and traction main wheel 215 rotate
Ground is nested with pivot pin set 2131.As preferable scheme, pivot pin set screw 21312 can be relied on 2131 control of pivot pin set in axis
On pin 213.Since the function of steel wheel can be found in foregoing CN203682847U, thus not reinflated explanation.
Foregoing traction main wheel 215 is rotationally nested with pivot pin set 2131 by drawing main wheel bearing 2151, in pivot pin
The spacing block plate of a bearing is respectively fixed with set 2131 and in the position corresponding to 2151 front side of traction main wheel bearing and rear side
21311。
Preferably, sliding groove 332 is offered in the rear end of foregoing upper holder 33, after being arranged on foregoing slip frame plate 32
The foregoing slip frame plate at end moves back and forth guider 321 and probes into the sliding groove 332.
Continue to see Fig. 1, foregoing pair of sliding frame plate, which moves back and forth guider 321, respectively includes screw rod 3211, upper and lower pad
Circle 3212,3213, spring 3214 and lock nut 3215, the base portion of screw rod 3211 and the rear end of foregoing slip frame plate 32 are fixed,
And the top of screw rod 3211 probes into foregoing sliding groove 332, that is to say, that the rear end of foregoing upper holder 33 passes through pair of sliding groove
332 are nested with screw rod 3211.Upper and lower packing ring 3212,3213 and spring 3214 are nested with screw rod 3211, and spring
3214 between upper and lower packing ring 3212,3213, position rotation of the lock nut 3215 in the corresponding top for being upper gasket 3212
Fit on screw rod 3211.
Refer to Fig. 2 and combine Fig. 1, fixed frame folded plate connection bolt is offered on foregoing lower fixed frame folded plate 341
Adjustment tank 3411, is equipped with fixed frame folded plate connection bolt 3412, preceding in fixed frame folded plate connection bolt adjustment tank 3411
Connection is offered on the upper holder folded plate 331 stated and in the position corresponding to fixed frame folded plate connection bolt adjustment tank 3411
Bolt hole 3311, fixed frame folded plate connection bolt 3412 screw in link bolt hole 3311 and are connected by screwing in fixed frame flanging
The connection bolt of the end of bolt 3412 limits nut 34121 and limits.
As shown in Fig. 1 and Fig. 2, foregoing step chain roller track 1 has rail cavity 12, at the rail cavity bottom of the rail cavity 12
The middle position of the width of wall and follow（Along）The length direction of rail cavity bottom wall offers a fixed plate lead-ingroove
121, a fixed plate 1211 is provided with rail cavity 12, which is alternatively referred to as rhombic plate or rhombus nut plate, at this
It is that the position of fixed plate lead-ingroove 121 is fixed with a lower fixed frame fixing screws 12111 in fixed plate 1211 and in correspondence,
The lower fixed frame fixing screws 12111 are stretched over the lower section of step chain roller track 1 by way of fixed plate lead-ingroove 121.It follows that
Fixed plate 1211 is to be set by means of fixed plate lead-ingroove 121 into rail cavity 12.The rear end of foregoing lower fixed frame 34 is nested with
In the lower part of lower fixed frame fixing screws 12111 and by screwing the locking nut in lower fixed frame fixing screws 12111
12112 lockings.
As shown in Figure 1, on foregoing slip frame plate folded plate 322 and corresponding to foregoing first axle pin position signal acquisition
The position of device 35 offers one first regulating tank 3221, and in the position corresponding to foregoing second pivot pin position signal acquisition device 36
One second regulating tank 3222 is offered, foregoing first axle pin position signal collector 35 is with horizontal boom state and in correspondence
Fixed in the position of the first regulating tank 3221 by a pair of first binding nut 351 with sliding frame plate folded plate 322, foregoing second
Pivot pin position signal acquisition device 36 equally passes through one with horizontal boom state and in the position corresponding to the second regulating tank 3222
Second binding nut 361 is fixed with sliding frame plate folded plate 322.
In the present embodiment, foregoing first axle pin position signal collector 35 and the second pivot pin position signal acquisition device
36 be to be closely located to switch, but tongue tube, hall sensing element or other equivalent components can also be used.
A chain guide stent 4 and a step 5 are also shown in fig. 2, and step 5 passes through step pivot pin 51 and the present invention
Pivot pin 213 rear end connection（By taking location status shown in Fig. 1 as an example, if by taking location status shown in Fig. 2 as an example, then
Step pivot pin 51 is connected with the right end of pivot pin 213）.
Since step chain 2 drives the movement of step 5 to belong to the prior art, such as equally can be found in foregoing
CN203682847U, thus applicant below only makees the change in location of first, second pivot pin position signal acquisition device 35,36
Brief description.When the connection between pivot pin 213 and step pivot pin 51 loosens, it will usually there are following two situations, one
It is 213 anterior displacement of pivot pin, second, rearward displacement（By taking location status shown in Fig. 1 as an example）, yet with first, second pivot pin position
The presence of signal picker 35,36 is put, thus when 213 anterior displacement of pivot pin, then by first axle pin position signal collector 35
Predict, when 213 rearward displacement of pivot pin, then predicted by the second pivot pin position signal acquisition device 36.
In conclusion technical solution provided by the invention compensate for the shortcoming in prior art, invention has been favorably accomplished
Task, has faithfully fulfilled the technique effect that applicant refers in technical effect column above.
Claims (9)
1. a kind of step chain of automatic escalator structure that can prevent that pivot pin from loosening, including step chain roller track (1) and and step
Chain guide (1) forms the step chain (2) of rolling pair, and step chain roller track (1) is formed with a traction main wheel raceway (11), ladder
Level chain (2) includes a plurality of link units (21) of mutual circulation connection, and each link units (21) include what is be organized in pairs
And parallel inner chain sheet (211), be organized in pairs and same parallel be used for two adjacent link units
(21) the inner chain sheet (211) connection outer chain sheet (212), for inner chain sheet (211) hingedly to be connected together with outer chain sheet (212)
The pivot pin (213) that connects and it is rotatably arranged at institute in the inner side corresponding to inner chain sheet (211) and with front and rear corresponding state
State the steel wheel (214) and traction main wheel (215) on pivot pin (213), traction main wheel (215) and described traction main wheel raceway (11) shape
Into rolling pair, it is characterised in that further included a pivot pin and loosened testing agency (3), the pivot pin loosen testing agency (3) with it is described
Step chain roller track (1) fixes the pivot pin while corresponding, described with the leading flank of the step chain (2) or trailing flank
Loosening testing agency (3) includes roller guide box (31), slides frame plate (32), upper holder (33), lower fixed frame (34), first axle
Position signal collector (35) and the second pivot pin position signal acquisition device (36) are sold, roller guide box (31), which corresponds to the traction, to be led
The top of (215) is taken turns, the side of the roller guide box (31) under is formed with a traction main wheel resigning chamber (311), traction master
The left end of wheel resigning chamber (311) from roller guide box (31) penetrates through the rear end that frame plate (32) is slided to right end and roller guide box (31)
Top fixation and slide frame plate (32) rear end be provided with it is at least one slip frame plate move back and forth guider
(321), slide the front end exhibition of rolling over downwards of frame plate (32) and slide frame plate folded plate (322), the slip frame plate folded plate formed with one
(322) front side of the step chain (2) is corresponded to, the rear end of upper holder (33) is nested with to be moved back and forth in the slip frame plate
On guider (321), upper holder (33) and the front end exhibition of rolling over downwards formed with a upper holder folded plate (331), it is solid on this
Determine frame folded plate (331) and correspond to the front side of slip frame plate folded plate (322) and with sliding frame plate folded plate (322) longitudinal direction parallel, under
The rear end of fixed frame (34) is stretched over the lower section of step chain roller track (1) and, lower fixed frame fixed with step chain roller track (1)
(34) exhibition of rolling over upwards of front end and formed with a lower fixed frame folded plate (341), the lower fixed frame folded plate (341) with it is fixed
Frame folded plate (331) connects, and first axle pin position signal collector (35) and the second pivot pin position signal acquisition device (36) are with each other
The corresponding state in left and right is fixed on the slip frame plate folded plate (322), and the first axle pin position signal collector (35)
And second pivot pin position signal acquisition device (36) it is corresponding with the front side of step chain (2), when the pivot pin (213) loosens
And forwards play when, signal is gathered by the first axle pin position signal collector (35), and when pivot pin (213) loosens simultaneously
Signal is rearward gathered by the second pivot pin position signal acquisition device (36) during play.
2. the step chain of automatic escalator structure according to claim 1 that can prevent that pivot pin from loosening, it is characterised in that in institute
A pivot pin set (2131) is arranged with the pivot pin (213) stated, the steel wheel (214) and traction main wheel (215) rotationally cover
Put on pivot pin set (2131).
3. the step chain of automatic escalator structure according to claim 2 that can prevent that pivot pin from loosening, it is characterised in that described
Traction main wheel (215) be rotationally nested with pivot pin set (2131) by drawing main wheel bearing (2151), in pivot pin set
(2131) position on and with rear side on front side of corresponding to traction main wheel bearing (2151) is respectively fixed with the spacing block plate of a bearing
(21311)。
4. the step chain of automatic escalator structure according to claim 1 that can prevent that pivot pin from loosening, it is characterised in that in institute
The rear end for stating upper holder (33) offers sliding groove (332), is arranged on the slip of the rear end of the slip frame plate (32)
Frame plate moves back and forth guider (321) and probes into the sliding groove (332).
5. the step chain of automatic escalator structure according to claim 4 that can prevent that pivot pin from loosening, it is characterised in that described
Slip frame plate move back and forth guider (321) include screw rod (3211), upper and lower packing ring (3212,3213), spring (3214)
With lock nut (3215), the base portion of screw rod (3211) and the rear end of the slip frame plate (32) are fixed, and screw rod (3211)
Top probes into the sliding groove (332), and upper and lower packing ring (3212,3213) and spring (3214) are nested with screw rod (3211),
And spring (3214) is located between upper and lower packing ring (3212,3213), lock nut (3215) is upper gasket in correspondence
(3212) position of top is screwed on screw rod (3211).
6. the step chain of automatic escalator structure according to claim 1 that can prevent that pivot pin from loosening, it is characterised in that in institute
State and fixed frame folded plate connection bolt adjustment tank (3411) is offered on lower fixed frame folded plate (341), spiral shell is connected in fixed frame folded plate
Fixed frame folded plate connection bolt (3412) is equipped with bolt adjustment tank (3411), on the upper holder folded plate (331) simultaneously
And link bolt hole (3311) is offered in the position corresponding to fixed frame folded plate connection bolt adjustment tank (3411), fixed frame folding
Plate connection bolt (3412) screws in link bolt hole (3311) and by screwing at the end of fixed frame flanging connection bolt (3412)
The connection bolt at end limits nut (34121) and limits.
7. the step chain of automatic escalator structure according to claim 1 that can prevent that pivot pin from loosening, it is characterised in that described
Step chain roller track (1) there is rail cavity (12), in the lean-with of the width of the rail cavity bottom wall of the rail cavity (12)
Put and follow the length direction of rail cavity bottom wall and offer a fixed plate lead-ingroove (121), it is solid that one is provided with rail cavity (12)
Fixed board (1211), is fixed with solid in the fixed plate (1211) and in the position corresponding to fixed plate lead-ingroove (121)
Determine frame fixing screws (12111), which is stretched over the lower section of step chain roller track (1), described
The rear end of lower fixed frame (34) is placed on the lower part of lower fixed frame fixing screws (12111) and is fixed by screwing in lower fixed frame
Locking nut (12112) locking on screw (12111).
8. the step chain of automatic escalator structure according to claim 1 that can prevent that pivot pin from loosening, it is characterised in that in institute
State and slide on frame plate folded plate (322) and offer one in the position corresponding to the first axle pin position signal collector (35)
First regulating tank (3221), and one second tune is offered in the position corresponding to the second pivot pin position signal acquisition device (36)
Groove (3222) is saved, the first axle pin position signal collector (35) is adjusted with horizontal boom state and corresponding to first
The position of groove (3221) is fixed by a pair of first binding nut (351) with sliding frame plate folded plate (322), second pivot pin
Position signal acquisition device (36) equally passes through one with horizontal boom state and in the position corresponding to the second regulating tank (3222)
It is fixed with sliding frame plate folded plate (322) to the second binding nut (361).
9. it can prevent step chain of automatic escalator structure that pivot pin loosens according to claim 1 or 8, it is characterised in that institute
The first axle pin position signal collector (35) and the second pivot pin position signal acquisition device (36) stated are to be closely located to switch, do
Reed pipe or hall sensing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710003897.7A CN106629364B (en) | 2017-01-04 | 2017-01-04 | It can prevent the step chain of automatic escalator structure that pivot pin loosens |
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| JP6743870B2 (en) * | 2018-11-28 | 2020-08-19 | 三菱電機ビルテクノサービス株式会社 | Passenger conveyor chain wear detection device and passenger conveyor chain wear detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3570932B2 (en) * | 1999-09-14 | 2004-09-29 | 株式会社日立ビルシステム | Chain elongation diagnostic device |
| JP2002167158A (en) * | 2000-12-05 | 2002-06-11 | Hitachi Building Systems Co Ltd | Device for diagnosing extension degree of chain |
| CN2855986Y (en) * | 2005-12-31 | 2007-01-10 | 苏州江南嘉捷电梯有限公司 | Stairs of escalator or chain wheel of automatic pavement pedal chain |
| JP4504407B2 (en) * | 2007-09-25 | 2010-07-14 | 株式会社日立製作所 | Chain sag diagnostic apparatus and method for passenger conveyor |
| JP5536147B2 (en) * | 2012-06-27 | 2014-07-02 | 東芝エレベータ株式会社 | Chain detection device for passenger conveyor |
| CN203682847U (en) * | 2014-01-16 | 2014-07-02 | 苏州汉森电梯有限公司 | Stair chain structure of escalator |
| CN203653039U (en) * | 2014-01-16 | 2014-06-18 | 苏州汉森电梯有限公司 | Step chain anti-deviating device for escalator |
| CN204140624U (en) * | 2014-08-27 | 2015-02-04 | 中冶宝钢技术服务有限公司 | Bearing pin device for warning looseness and mounting structure thereof |
| CN206395696U (en) * | 2017-01-04 | 2017-08-11 | 苏州汉森电梯有限公司 | The step chain of automatic escalator structure that pivot pin is released can be prevented |
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