CN213622834U - Large-span unsupported escalator - Google Patents
Large-span unsupported escalator Download PDFInfo
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- CN213622834U CN213622834U CN202022215035.0U CN202022215035U CN213622834U CN 213622834 U CN213622834 U CN 213622834U CN 202022215035 U CN202022215035 U CN 202022215035U CN 213622834 U CN213622834 U CN 213622834U
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- escalator
- connecting portion
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- truss
- screw shaft
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Abstract
The invention discloses a large-span unsupported escalator, which belongs to the technical field of escalators and comprises a step loop, a handrail apron component, a truss and an adjusting mechanism, wherein the handrail apron component is arranged on the step loop; the adjusting mechanism comprises a screw shaft, a nut and a fixing seat, the screw shaft penetrates through the nut, the nut is rotatably connected with the fixing seat, the fixing seat is fixed at the middle part of the truss, the upper end of the screw shaft is connected with the step loop, and when the nut rotates, the nut drives the screw shaft to vertically move upwards or downwards. The invention discloses a large-span unsupported escalator which is not provided with a supporting table, can be suitable for escalators with the span larger than 40m, can correct the deformation of a step loop and a handrail apron board assembly by adjusting the height through an adjusting mechanism, can be additionally provided with the adjusting mechanism at will in the escalator, can correct the deformation part of the step loop and the handrail apron board assembly, and can also be additionally provided with the adjusting mechanism at the part with larger bearing in the escalator, thereby improving the bearing strength of the part.
Description
Technical Field
The invention relates to the technical field of escalators, in particular to a large-span unsupported escalator.
Background
At present, in the escalator in the market, a truss structure can be arranged on the escalator with medium and small spans, the overall strength of the escalator is improved by arranging the truss, when the span of the escalator is large, the step loop and the handrail apron component are easy to deform due to gravity, the truss is easy to deform due to gravity, and the gravity of the truss can also reinforce the deformation of the step loop and the handrail apron component.
Therefore, in the market, the supporting platforms similar to the upright columns are arranged on the escalators with large span, and the supporting platforms support the middle part of the escalator, so that the escalator is prevented from generating large deformation.
However, the installation of a support platform like a column is not suitable for all environments, such as sand and loose soil, or the manufacturing cost and maintenance cost of installing a support platform in such environments are very high.
Disclosure of Invention
In view of the above disadvantages in the prior art, the technical problem to be solved by the present invention is to provide a large-span unsupported escalator, which solves the problem that a large-span escalator can only be supported by a support platform.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a large-span unsupported escalator comprising:
the step loop comprises steps, step guide rails and step conveying chains; the step guide rail limits the rotation track of the steps, and the step conveying chain is driven by a driving device to drive the steps to move along the rotation track;
a handrail apron assembly comprising a handrail belt and a dado plate, the handrail belt being driven by the drive means to move over the dado plate;
the truss is connected with the step loop and the handrail apron assembly;
the adjusting mechanism comprises a screw shaft, a nut and a fixing seat, the screw shaft penetrates through the nut, the nut is rotatable and connected with the fixing seat, the fixing seat is fixed at the middle part of the truss, the upper end of the screw shaft is connected with the step loop, and when the nut rotates, the nut drives the screw shaft to vertically go up or down.
Preferably, the truss is adapted to the shape of the step loop.
Preferably, the step loop is further provided with a connecting seat, the connecting seat comprises a connecting plate and a supporting platform, the connecting plate is fixedly connected with the step guide rail, the supporting platform comprises a first connecting portion, a second connecting portion and a third connecting portion, the upper end of the second connecting portion is connected with the third connecting portion, the lower end of the second connecting portion is connected with the first connecting portion, the third connecting portion is fixedly connected with the connecting plate, and the upper end of the lead screw shaft is vertically connected with the first connecting portion.
Preferably, the third connecting portion is parallel to the first connecting portion, and the second connecting portion is vertically connected to the first connecting portion and the third connecting portion.
Preferably, the truss comprises side supporting fences arranged in pairs, a plurality of first connecting pieces arranged at intervals and a plurality of second connecting pieces arranged at intervals, the first connecting pieces are connected with the bottom sides of the two side supporting fences, and the second connecting pieces are connected with the upper sides of the two side supporting fences.
Preferably, the truss further comprises a plurality of steel struts, the lower ends of the steel struts are connected with the first connecting piece, and the upper ends of the steel struts are connected with the second connecting piece.
Preferably, the handrail apron assembly further comprises an apron panel, the apron panel being disposed below the dado panel.
Preferably, the adjusting mechanism can be in a plurality of numbers and is arranged on the two side supporting fences in pairs.
Preferably, the driving device comprises a motor, a speed reducer and a wheel shaft assembly, wherein the speed reducer is used for transmitting the kinetic energy of the motor to the wheel shaft assembly, and the wheel shaft assembly is connected with the step conveying chain and the hand guard belt.
Preferably, the escalator further comprises a control device, and the control device is used for controlling the running state of the escalator.
The invention discloses a large-span unsupported escalator which is not provided with a supporting table, can be suitable for escalators with the span larger than 40m, can correct the deformation of a step loop and a handrail apron board assembly by adjusting the height through an adjusting mechanism, can be additionally provided with the adjusting mechanism at will in the escalator, can correct the deformation part of the step loop and the handrail apron board assembly, and can also be additionally provided with the adjusting mechanism at the part with larger bearing in the escalator, thereby improving the bearing strength of the part.
Drawings
Fig. 1 is a schematic view of the overall structure of an escalator in the embodiment of the invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a cross-sectional view of B-B in fig. 1.
100, a step loop; 110. a step; 120. a step guide rail; 130. a step conveyor chain; 140. a connecting seat; 141. a connecting plate; 142. a support table; 142a, a first connecting part; 142b, a second connecting portion; 142c, a third connecting portion;
200. a handrail apron assembly; 210. a handrail belt; 220. a dado panel;
300. a truss; 310. a lateral support rail; 320. a first connecting member; 330. a second connecting member; 340. supporting steel;
400. an adjustment mechanism; 410. a screw shaft; 420. a nut; 430. a fixed seat;
500. a drive device;
600. and a control device.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
At present, in the escalator in the market, a truss 300 structure can be arranged on the escalator with medium and small spans, the integral strength of the escalator is improved by arranging the truss 300, when the span of the escalator is large, the step loop 100 and the handrail apron assembly 200 are easy to deform due to gravity, the truss 300 is easy to deform due to gravity, and the gravity of the truss 300 can aggravate the deformation of the step loop 100 and the handrail apron assembly 200.
Therefore, in the market, the escalator with a large span is provided with the support base 142 like a column, and the middle part of the escalator is supported by the support base 142, so that the escalator is prevented from generating large deformation.
However, the installation of the support base 142 like the pillar is not suitable for all environments, such as sand and loose soil, and the installation of the support base 142 is not suitable, or the manufacturing cost and the maintenance cost for installing the support base 142 in such an environment are very high.
The large span mentioned above means that if the truss 300 is provided on the escalator, the length of the truss 300 is at least more than 40 m.
Generally, if the truss 300 is larger than 40 meters, even if the truss 300 has only 1/1000 deflection when bearing weight, the maximum deformation of the whole escalator is reduced by 4cm, and for the escalator, the 4cm deflection almost prevents the step loop 100 from making rotary motion any more.
In the existing escalator, the deformation of the step loop 100 may not be a single place, or may be multiple places, or the step loop 100 of the escalator deforms at successively different places, and the above-mentioned problems cannot be solved by adopting the support table 142 type support, or arranging the conventional truss 300.
In view of the above problems, the present application discloses a large-span unsupported escalator, which includes a step loop 100, a handrail skirt assembly, a truss 300, and an adjustment mechanism 400, as shown in fig. 1-3.
The step loop 100 comprises steps 110, step guide rails 120, and step conveyor chains 130; the step guide rail 120 defines a revolving track of the step 110, and the step conveying chain 130 is driven by the driving device 500 to drive the step 110 to move along the revolving track;
the handrail apron assembly 200 comprises a handrail belt 210 and a dado panel 220, the handrail belt 210 being driven by the drive means 500 to move on the dado panel 220;
the truss 300 is connected to the step loop 100 and the handrail apron assembly 200, and the truss 300 can serve to support the step loop 100 and the handrail apron assembly 200.
The adjusting mechanism 400 comprises a screw shaft 410, a nut 420 and a fixing seat 430, wherein the screw shaft 410 penetrates through the nut 420, the nut 420 is rotatably connected with the fixing seat 430, the fixing seat 430 is fixed at the middle part of the truss 300, the upper end of the screw shaft 410 is connected with the step loop 100, and when the nut 420 rotates, the nut 420 drives the screw shaft 410 to vertically move upwards or downwards.
In this embodiment, the height of the adjusting mechanism 400 can be adjusted, and when the step loop 100 and the handrail skirt plate assembly in the escalator are deformed, the nut 420 is rotated to drive the screw shaft 410 to move upward by the nut 420, so that the deformation of the step loop 100 can be corrected by the upward movement of the screw shaft 410 since the upper end of the screw shaft 410 is connected to the step loop 100.
Specifically, when a certain portion of the step circuit 100 is deformed, the adjustment mechanism 400 may be added thereto, the portion may be connected to an upper end of a screw shaft 410 of the adjustment mechanism 400, and the screw shaft 410 may be raised by turning a nut 420 to correct the deformation of the portion.
In this embodiment, the truss 300 conforms to the shape of the step loop 100.
The step loop 100 is further provided with a connecting seat 140, the connecting seat 140 includes a connecting plate 141 and a supporting platform 142, the connecting plate 141 is fixedly connected with the step guide rail 120, the supporting platform 142 includes a first connecting portion 142a, a second connecting portion 142b and a third connecting portion 142c, the upper end of the second connecting portion 142b is connected with the third connecting portion 142c, the lower end of the second connecting portion 142b is connected with the first connecting portion 142a, the third connecting portion 142c is fixedly connected with the connecting plate 141, and the upper end of the lead screw shaft 410 is vertically connected with the first connecting portion 142 a.
In this embodiment, the connection plate 141 is attached to and fixedly connected with the step rail 120, and the connection mode may be a bolt connection, or a welding connection between the connection plate 141 and the step rail 120.
The connecting plate 141 is attached to the step guide rail 120, so that the contact area between the connecting plate 141 and the step guide rail 120 can be increased, and the stress concentration can be reduced, and meanwhile, in the escalator, the step guide rails 120 are inclined and are attached to the step guide rail 120 through the connecting plate 141, so that the connection stability can be improved (more connectable areas are provided, such as welding, or connection through a plurality of bolts).
The third connecting portion 142c is parallel to the first connecting portion 142a, and the second connecting portion 142b is perpendicular to the first and third connecting portions 142a and 142 c.
In this embodiment, the connection base 140 is used to connect the adjustment mechanism 400 and the step guide rail 120, and if a certain portion of the step guide rail 120 is deformed, the connection base 140 may be disposed at the position, and the adjustment mechanism 400 fixed on the truss 300 may be disposed below the position, so that the screw shaft 410 of the adjustment mechanism 400 is connected to the connection base 140.
In the present embodiment, the second connecting portion 142b can transmit the force of the adjustment mechanism 400 to correct the step rail 120 upward more directly by making the second connecting portion 142b perpendicular to the third connecting portion 142 c.
The truss 300 includes side support bars 310 arranged in pairs, a plurality of first connectors 320 arranged at intervals, and a plurality of second connectors 330 arranged at intervals, wherein the first connectors 320 connect the bottom sides of the side support bars 310, and the second connectors 330 connect the upper sides of the two side support bars 310.
In this embodiment, the first connecting member 320 and the second connecting member 330 are angle steels, and the two side support fences 310 arranged in pairs are connected into a whole by the first connecting member 320 and the second connecting member 330 to form the truss 300.
In this embodiment, in order to improve the overall strength and the supporting strength of the truss 300, the truss 300 further includes a plurality of steel struts 340, the lower ends of the steel struts 340 are connected to the first connecting member 320, the upper ends of the steel struts 340 are connected to the second connecting member 330, and the steel struts 340 are arranged to reduce the load-bearing deformation of the truss 300.
In this embodiment, the truss 300 is deformed when the step loop 100 is deformed, but the deformation of the truss 300 does not affect the use of the adjustment mechanism 400, and the final objective of the present application is to solve the problem of deformation of the step loop 100 and the handrail skirt assembly.
The handrail apron assembly 200 further comprises an apron panel disposed below the dado panel 220.
In this embodiment, both skirt panel and baseboard 220 are present in pairs.
The adjusting mechanism 400 may be provided in plural numbers, and disposed in pairs on the two side support rails 310.
The driving device 500 includes a motor, a reducer for transferring kinetic energy of the motor to the wheel axle assembly, and a wheel axle assembly connected to the step chain 130 and the handrail 210.
In this embodiment, when the motor is started, the motor drives the step conveying chain 130 and the handrail 210 to rotate synchronously.
The escalator further comprises a control device 600, and the control device 600 is used for controlling the running state of the escalator.
The invention discloses a large-span unsupported escalator, which is not provided with a support table 142 and is suitable for escalators with the span larger than 40m, the height of the escalator is adjusted by an adjusting mechanism 400, the deformation of a step loop 100 and a handrail apron board assembly can be corrected, the adjusting mechanism 400 can be optionally added in the escalator, the deformation part of the step loop 100 and the handrail apron board assembly can be corrected, and the adjusting mechanism 400 can also be added at the part with larger bearing in the escalator, so that the bearing strength of the part is improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A large-span unsupported escalator comprising:
the step loop comprises steps, step guide rails and step conveying chains; the step guide rail limits the rotation track of the steps, and the step conveying chain is driven by a driving device to drive the steps to move along the rotation track;
a handrail apron assembly comprising a handrail belt and a dado plate, the handrail belt being driven by the drive means to move over the dado plate;
the method is characterized in that:
the truss is connected with the step loop and the handrail apron component;
the adjusting mechanism comprises a screw shaft, a nut and a fixing seat, the screw shaft penetrates through the nut, the nut is rotatable and connected with the fixing seat, the fixing seat is fixed at the middle part of the truss, the upper end of the screw shaft is connected with the step loop, and when the nut rotates, the nut drives the screw shaft to vertically go up or down.
2. A large span unsupported escalator as claimed in claim 1, wherein said trusses are adapted to the shape of said step loops.
3. The large-span unsupported escalator of claim 1, wherein the step loop is further provided with a connecting seat, the connecting seat includes a connecting plate and a supporting table, the connecting plate is fixedly connected to the step guide rail, the supporting table includes a first connecting portion, a second connecting portion and a third connecting portion, the upper end of the second connecting portion is connected to the third connecting portion, the lower end of the second connecting portion is connected to the first connecting portion, the third connecting portion is fixedly connected to the connecting plate, and the upper end of the lead screw shaft is perpendicularly connected to the first connecting portion.
4. The escalator as claimed in claim 3, wherein said third connecting portion is parallel to said first connecting portion, and said second connecting portion is vertically connected to said first and third connecting portions.
5. The escalator as claimed in claim 1, wherein said truss includes side supporting bars arranged in pairs, a plurality of first connecting members spaced apart from each other and a plurality of second connecting members spaced apart from each other, said first connecting members connecting bottom sides of the side supporting bars, said second connecting members connecting upper sides of the side supporting bars.
6. The large-span unsupported escalator of claim 5, wherein said truss further comprises a plurality of steel struts, said steel struts having lower ends connected to said first connecting member and upper ends connected to said second connecting member.
7. The large span unsupported escalator of claim 1 wherein said handrail skirt assembly further comprises a skirt panel disposed beneath the dado panel.
8. The escalator of claim 1, wherein said adjusting mechanisms are provided in plurality and are disposed in pairs on two side supporting bars.
9. The large-span unsupported escalator of claim 1, further comprising a control device for controlling the operating state of the escalator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215035.0U CN213622834U (en) | 2020-09-30 | 2020-09-30 | Large-span unsupported escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215035.0U CN213622834U (en) | 2020-09-30 | 2020-09-30 | Large-span unsupported escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213622834U true CN213622834U (en) | 2021-07-06 |
Family
ID=76658748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022215035.0U Active CN213622834U (en) | 2020-09-30 | 2020-09-30 | Large-span unsupported escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213622834U (en) |
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2020
- 2020-09-30 CN CN202022215035.0U patent/CN213622834U/en active Active
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