CN109484959B - Sectional bending forming cover plate - Google Patents
Sectional bending forming cover plate Download PDFInfo
- Publication number
- CN109484959B CN109484959B CN201811619778.5A CN201811619778A CN109484959B CN 109484959 B CN109484959 B CN 109484959B CN 201811619778 A CN201811619778 A CN 201811619778A CN 109484959 B CN109484959 B CN 109484959B
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- plate
- connecting plate
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- top surface
- hole
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- 238000005452 bending Methods 0.000 title claims abstract description 34
- 230000007704 transition Effects 0.000 claims abstract description 68
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 45
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000007547 defect Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 15
- 238000005336 cracking Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
Landscapes
- Surgical Instruments (AREA)
- Sewage (AREA)
Abstract
The invention relates to a sectional bending forming cover plate, which comprises an upper transition connecting plate, an upper arc middle plate, a lower arc middle plate and a lower transition connecting plate which are sequentially connected and formed into a whole, wherein the upper transition connecting plate and the lower transition connecting plate are horizontal plates and are kept parallel to each other, and the upper arc middle plate and the lower arc middle plate are respectively 1/4 circular arc plates with different radiuses; from the cross-section direction of apron is observed, the staircase apron includes outside circular arc board, bottom surface connecting plate, top surface connecting plate and top surface curved plate, forms first contained angle between top surface connecting plate and the outside circular arc board, the length of top surface connecting plate on the horizontal direction is greater than the length of bottom surface connecting plate on the horizontal direction, simultaneously through the interengagement of 1/4 circular arc curve in both ends, avoid the bending strength, the stress concentration scheduling defect that single circular arc curve leads to at the in-process of bending, and then guarantee that the switching-over shaping process is stable, intensity is balanced after the plate body shaping.
Description
Technical Field
The invention relates to a plate, in particular to a sectional bending forming cover plate.
Background
The handrail turning end is a reuse organization of the escalator. In the running process of the handrail belt, the resistance mainly comes from the matched place of the handrail, wherein the place which is most likely to cause friction resistance is the cover plate part of the handrail steering end, the abrasion degree of the part is most harmful, meanwhile, the whole cover plate part is designed to be generally in an arc curve, the design and forming process is complex and difficult, and the whole cover plate is directly designed to be an arc curve due to the lack of the design of front transition section and the rear transition section in the arc curve forming process, so that the mounting and fixing of the escalator cover plate are not facilitated, the strength balance transition in the process of forming the escalator plate body into the arc curve from the original straight state is not facilitated, and the defects of plate body extrusion, cracking, deformation and the like are easily caused by the fact that the strength inside the plate body is suddenly changed.
Disclosure of Invention
In order to overcome the defects and the shortcomings in the prior art, the invention provides a sectional bending forming cover plate.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a segmentation bending and shaping apron which characterized in that: the cover plate comprises an upper transition connecting plate, an upper arc middle plate, a lower arc middle plate and a lower transition connecting plate which are sequentially connected and formed into a whole, wherein the right end of the upper transition connecting plate is connected with the upper end of the upper arc middle plate, the lower end of the upper arc middle plate is connected with the upper end of the lower arc middle plate, the left end of the lower arc middle plate is connected with the right end of the lower transition connecting plate, the upper transition connecting plate and the lower transition connecting plate are horizontal plates and are kept parallel, and the upper arc middle plate and the lower arc middle plate are respectively 1/4 circular arc plates with different radiuses; from the cross-section direction of apron is observed, the apron includes outside circular arc board, bottom surface connecting plate, top surface connecting plate, and top surface curved plate, wherein outside circular arc board extends along vertical direction, the left end of bottom surface connecting plate is connected with the lower extreme of outside circular arc board, and bottom surface connecting plate keeps perpendicularly and extends along the horizontal direction with outside circular arc board, the left end of top surface connecting plate is connected with the upper end of outside circular arc board, and form first contained angle between top surface connecting plate and the outside circular arc board, the upper end of top surface curved plate is connected with the right-hand member of top surface connecting plate, and top surface curved plate keeps parallelism and extends downwards along vertical direction in vertical direction with outside circular arc board, the length of top surface connecting plate in the horizontal direction is greater than the length of bottom surface connecting plate in the horizontal direction.
Further, the arc radius of the upper arc intermediate plate is smaller than the arc radius of the lower arc intermediate plate.
Further, the first included angle is 60-70 degrees.
Further, the left end of the bottom surface connecting plate is connected with the lower end of the outer arc plate, the left end of the top surface connecting plate is connected with the upper end of the outer arc plate, and the upper end of the top surface bending plate is connected with the right end of the top surface connecting plate in a round angle mode.
Further, a plurality of mounting through holes are further formed in the outer arc plate, and the mounting through holes are located in the position, closer to the lower side, in the vertical direction of the outer arc plate.
Further, the mounting through hole comprises a slotted hole and a round hole.
Further, the installation through hole part is arranged on the upper transition connecting plate, the part is arranged on the upper arc middle plate and the lower arc middle plate, the other part is arranged on the lower transition connecting plate, the installation through holes arranged on the upper transition connecting plate are long round holes and round holes, the installation through holes arranged on the upper arc middle plate and the lower arc middle plate are long round holes, and the installation through holes arranged on the lower transition connecting plate are round holes.
Further, among the installation through holes, the first installation through hole and the second installation through hole set up on last transition connecting plate and first installation through hole be the round hole, the second installation through hole is the slotted hole, and the line of first installation through hole and second installation through hole keeps parallelism with last transition connecting plate's length extending direction, the third installation through hole is the slotted hole and is provided with a plurality of and equidistant setting on last circular arc intermediate plate's outside circular arc board, the fourth installation through hole is the slotted hole and is provided with a plurality of and equidistant setting on lower circular arc intermediate plate's outside circular arc board, the fifth installation through hole is the round hole and sets up on lower transition connecting plate's outside circular arc board.
Further, the top surface connecting plate is also provided with an inner circle of anti-slip raised strips and an outer circle of anti-slip raised strips at equal intervals along the length extending direction of the cover plate.
Further, the thickness of the outer arc plate, the bottom connecting plate, the top connecting plate, and the top bending plate are equal.
The beneficial effects of the invention are as follows:
(1) The upper transition connecting plate, the upper arc middle plate, the lower arc middle plate and the lower transition connecting plate are sequentially connected and formed into a whole, the upper transition connecting plate and the lower transition connecting plate are arranged to be horizontal plates and are kept parallel to each other, the upper arc middle plate and the lower arc middle plate are respectively 1/4 circular arc plates and are different in radius from each other, so that the reversing effect is achieved, the transition connection before and after the reversing forming process is effectively achieved through the upper transition connecting plate and the lower transition connecting plate, the defects that the plate body is extruded, cracked, deformed and the like possibly caused by the fact that the plate body is directly formed into an arc curve in an original straight state are avoided, meanwhile, the defects that the bending of a single arc curve is strong and hard in the bending forming process, stress concentration and the like are avoided, the strength of the reversing forming process is stable, the arc radius of the upper arc middle plate body is smaller than that of the lower arc middle plate is balanced, the extension length of a joint between the lower arc middle plate and the lower transition connecting plate can be properly prolonged, the buffer transition length and the stable forming process are further ensured, and the stable forming process of the transition length is ensured.
(2) The bottom surface connecting plate keeps perpendicular and extends rightwards along the horizontal direction with outside circular arc board, top surface bending plate is connected with the top surface connecting plate and extends downwards along vertical direction, thereby realize the installation of this apron in vertical direction through bottom surface connecting plate and top surface bending plate simultaneously in vertical direction fixedly, and simultaneously and be convenient for distinguish from the outward appearance directly through upper and lower inclination, the size, the different designs of orientation direction, the position is reversed about avoiding the installation, on the other hand as below fixed and installation support piece, thereby set up the bottom surface connecting plate into the horizontal extension so that be convenient for cladding outside mounting from the below, and set up top surface connecting plate and top surface bending plate into downward inclination setting then be favorable to realizing compressing tightly the clamp to the outside mounting that is located between top surface connecting plate and the bottom surface connecting plate, avoid because outside mounting self gravity, the reverse problem such as props open deformation of top surface connecting plate that the reverse butt force of long-term clamp causes appear.
(3) The left end of bottom surface connecting plate is connected for the fillet respectively between the lower extreme of outside circular arc board, between the left end of top surface connecting plate and the upper end of outside circular arc board, between the upper end of top surface curved plate and the right-hand member of top surface connecting plate to guarantee to realize the transitional coupling between each board with the slick and sly transition of fillet, avoid because directly connect the damage risk that probably leads to the fact personnel and equipment around with sharp right angle, also avoid sharp right angle to connect the intensity that probably causes to apron itself internal strength simultaneously and buckle deformation risk.
Drawings
FIG. 1 is a schematic view of a sectional bending cover plate according to the present invention;
fig. 2 is a structural cross-sectional view seen in the X direction from fig. 1.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1-2, a sectional bending forming cover plate comprises an upper transition connecting plate a, an upper arc middle plate B, a lower arc middle plate C and a lower transition connecting plate D which are sequentially connected and formed into a whole, wherein the right end of the upper transition connecting plate a is connected with the upper end of the upper arc middle plate B, the lower end of the upper arc middle plate B is connected with the upper end of the lower arc middle plate C, the left end of the lower arc middle plate C is connected with the right end of the lower transition connecting plate D, the upper transition connecting plate a and the lower transition connecting plate D are horizontal plates and are kept parallel to each other, and the upper arc middle plate B and the lower arc middle plate C are respectively 1/4 circular arc plates and have different radiuses, so that the transition connection before and after the reversing forming process is effectively realized through the upper transition connecting plate and the lower transition connecting plate, and the defects of plate body extrusion, cracking, deformation and the like possibly caused by strength mutation in the process of directly forming the original flat state into an arc curve are avoided; the defects of strong bending, stress concentration and the like caused by a single arc curve in the bending forming process are avoided, and the stability of the reversing forming process and the balance of the strength of the plate body after the forming are further ensured; viewed from the cross-sectional direction of the cover plate, the cover plate comprises an outer arc plate 1, a bottom surface connecting plate 2, a top surface connecting plate 3 and a top surface bending plate 4, wherein the outer arc plate 1 extends along the vertical direction, the left end of the bottom surface connecting plate 2 is connected with the lower end of the outer arc plate 1, the bottom surface connecting plate 2 is vertical to the outer arc plate 1 and extends along the horizontal direction, the left end of the top surface connecting plate 3 is connected with the upper end of the outer arc plate 1, a first included angle A1 is formed between the top surface connecting plate 3 and the outer arc plate 1, the upper end of the top surface bending plate 4 is connected with the right end of the top surface connecting plate 3, the top surface bending plate 4 is parallel to the outer arc plate 1 along the vertical direction and extends downwards along the vertical direction, the length of the top surface connecting plate 3 along the horizontal direction is longer than the length of the bottom surface connecting plate 2 along the horizontal direction, therefore, the cover plate is installed and fixed in the vertical direction through the bottom surface connecting plate and the top surface bending plate simultaneously, meanwhile, the cover plate is convenient to distinguish from the appearance directly through different designs of the vertical inclination angle, the size and the direction, the upper position and the lower position are prevented from being reversed during installation, on the other hand, the cover plate is used as a lower fixing and installing support piece, the bottom surface connecting plate is arranged to extend horizontally so as to be convenient for coating an external fixing piece from the lower part, the top surface connecting plate and the top surface bending plate are arranged to be inclined downwards, the pressing and clamping of the external fixing piece between the top surface connecting plate and the bottom surface connecting plate are facilitated, and the problems of reverse expansion and deformation of the top surface connecting plate and the bottom surface connecting plate caused by the self gravity of the external fixing piece and the long-term clamping reverse leaning force are avoided.
Specifically, the arc radius of the upper arc middle plate B is smaller than that of the lower arc middle plate C, so that the extension length of the joint between the lower arc middle plate and the lower transition connecting plate can be properly prolonged, the length of a buffering and transition section is further increased, and the stability and the strength balance of the bending forming process are ensured.
Specifically, the first included angle is 60-70 degrees.
Specifically, the rounded connection is respectively between the left end of the bottom surface connecting plate 2 and the lower end of the outer arc plate 1, between the left end of the top surface connecting plate 3 and the upper end of the outer arc plate 1, and between the upper end of the top surface bending plate 4 and the right end of the top surface connecting plate 3, so that the transition connection between the plates is realized through the rounded smooth transition, the damage risk to surrounding personnel and equipment, which is possibly caused by the direct connection at a sharp right angle, is avoided, and the strength reduction and bending deformation risk, which are possibly caused by the sharp right angle connection to the internal strength of the cover plate, are also avoided.
Specifically, a plurality of installation through holes 5 are further formed in the outer arc plate 1, and the installation through holes 5 are located at positions, closer to the lower side, in the vertical direction of the outer arc plate 1, so that the overall installation and fixing requirements of the cover plate are guaranteed, the installation through holes 5 are arranged at positions, closer to the lower side, of the cover plate 8, and therefore weight deviation of the upper side and the lower side, caused by the fact that the length of the top surface connecting plate 3 in the horizontal direction is larger than that of the bottom surface connecting plate 2, is balanced.
Specifically, the mounting through hole 5 includes a oblong hole and a circular hole, so that the positioning and mounting positions are finely adjusted as needed according to the actual positioning and mounting positions.
Specifically, the mounting through hole 5 is partially arranged on the upper transition connecting plate A, partially arranged on the upper arc middle plate B and the lower arc middle plate C, and partially arranged on the lower transition connecting plate D, and the mounting through holes arranged on the upper transition connecting plate A are oblong holes and round holes, the mounting through holes arranged on the upper arc middle plate B and the lower arc middle plate C are oblong holes, and the mounting through holes arranged on the lower transition connecting plate D are round holes.
Specifically, in the installation through holes 5, a first installation through hole 51 and a second installation through hole 52 are arranged on an upper transition connecting plate a, the first installation through hole 51 is a round hole, the second installation through hole 52 is a slotted hole, the connection line of the first installation through hole 51 and the second installation through hole 52 is parallel to the length extending direction of the upper transition connecting plate a, a third installation through hole 53 is a slotted hole and is provided with a plurality of equidistant arranged on an outer circular arc plate 1 of an upper circular arc middle plate B, a fourth installation through hole 54 is a slotted hole and is provided with a plurality of equidistant arranged on an outer circular arc plate 1 of a lower circular arc middle plate C, and a fifth installation through hole 55 is a round hole and is arranged on an outer circular arc plate 1 of a lower transition connecting plate D, so that fine adjustment and positioning are realized through the second installation through hole 52 on the upper transition connecting plate a, and then the fixing of the upper transition connecting plate a is realized through the first installation through hole 51; fine adjustment, positioning and fixing are realized through a plurality of third mounting through holes 53 (only 1 is symbolically marked in the figure) on the upper circular arc middle plate B and a plurality of fourth mounting through holes 54 (only 1 is symbolically marked in the figure) on the lower circular arc middle plate C; finally, the lower transition connecting plate D is fixed through a fifth mounting through hole 55 on the lower transition connecting plate D.
Specifically, the top surface connecting plate 3 is also provided with an inner ring of anti-slip convex strips 31 and an outer ring of anti-slip convex strips 31 at equal intervals along the length extending direction of the cover plate, so that the position deviation of the cover plate caused by the position deviation of the cover plate due to sliding and the like during installation is avoided.
Specifically, the thicknesses of the outer arc plate 1, the bottom surface connecting plate 2, the top surface connecting plate 3 and the top surface bending plate 4 are equal, so that the overall strength of the cover plate in the process of sectional forming is balanced, and the influence on the overall strength of the cover plate caused by overlarge or overlarge thickness of a single plate is avoided.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. The utility model provides a segmentation bending and shaping apron which characterized in that: the cover plate comprises an upper transition connecting plate (A), an upper arc middle plate (B), a lower arc middle plate (C) and a lower transition connecting plate (D) which are sequentially connected and formed into a whole, wherein the right end of the upper transition connecting plate (A) is connected with the upper end of the upper arc middle plate (B), the lower end of the upper arc middle plate (B) is connected with the upper end of the lower arc middle plate (C), the left end of the lower arc middle plate (C) is connected with the right end of the lower transition connecting plate (D), the upper transition connecting plate (A) and the lower transition connecting plate (D) are horizontal plates and are kept parallel to each other, and the upper arc middle plate (B) and the lower arc middle plate (C) are respectively 1/4 circular arc plates with different radiuses; viewed from the cross section direction of the cover plate, the cover plate comprises an outer arc plate (1), a bottom surface connecting plate (2), a top surface connecting plate (3) and a top surface bending plate (4), wherein the outer arc plate (1) extends along the vertical direction, the left end of the bottom surface connecting plate (2) is connected with the lower end of the outer arc plate (1), the bottom surface connecting plate (2) is vertical to the outer arc plate (1) and extends along the horizontal direction, the left end of the top surface connecting plate (3) is connected with the upper end of the outer arc plate (1), a first included angle (A1) is formed between the top surface connecting plate (3) and the outer arc plate (1), the upper end of the top surface bending plate (4) is connected with the right end of the top surface connecting plate (3), the top surface bending plate (4) is parallel to the outer arc plate (1) in the vertical direction and extends downwards along the vertical direction, and the length of the top surface connecting plate (3) in the horizontal direction is larger than the length of the bottom surface connecting plate (2) in the horizontal direction;
the arc radius of the upper arc middle plate (B) is smaller than that of the lower arc middle plate (C);
the first included angle is 60-70 degrees;
the left end of the bottom surface connecting plate (2) is connected with the lower end of the outer circular arc plate (1), the left end of the top surface connecting plate (3) is connected with the upper end of the outer circular arc plate (1), and the upper end of the top surface bending plate (4) is connected with the right end of the top surface connecting plate (3) through round angles;
a plurality of mounting through holes (5) are further formed in the outer circular arc plate (1), and the mounting through holes (5) are positioned at positions, closer to the lower side, in the vertical direction of the outer circular arc plate (1);
the mounting through hole (5) comprises a long round hole and a round hole;
the mounting through holes (5) are partially arranged on the upper transition connecting plate (A), partially arranged on the upper arc middle plate (B) and the lower arc middle plate (C), and partially arranged on the lower transition connecting plate (D), the mounting through holes arranged on the upper transition connecting plate (A) are oblong holes and round holes, the mounting through holes arranged on the upper arc middle plate (B) and the lower arc middle plate (C) are oblong holes, and the mounting through holes arranged on the lower transition connecting plate (D) are round holes;
among the installation through-holes (5), first installation through-hole (51) and second installation through-hole (52) set up on last transition connecting plate (A) and first installation through-hole (51) are the round hole, second installation through-hole (52) are the slotted hole, and the link of first installation through-hole (51) and second installation through-hole (52) keeps parallelism with the length extending direction of last transition connecting plate (A), third installation through-hole (53) are the slotted hole and are provided with a plurality of and equidistant setting on outside circular arc board (1) of last circular arc intermediate plate (B), fourth installation through-hole (54) are the slotted hole and are provided with a plurality of and equidistant setting on outside circular arc board (1) of lower circular arc intermediate plate (C), fifth installation through-hole (55) are the round hole and set up on outside circular arc board (1) of lower transition connecting plate (D).
2. A segmented curved shaped cover plate according to claim 1, wherein: an inner ring of anti-slip raised strips (31) and an outer ring of anti-slip raised strips (31) are also arranged on the top surface connecting plate (3) at equal intervals along the length extending direction of the cover plate.
3. A segmented curved shaped cover plate according to claim 1, wherein: the thicknesses of the outer arc plate (1), the bottom surface connecting plate (2), the top surface connecting plate (3) and the top surface bending plate (4) are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619778.5A CN109484959B (en) | 2018-12-28 | 2018-12-28 | Sectional bending forming cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619778.5A CN109484959B (en) | 2018-12-28 | 2018-12-28 | Sectional bending forming cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109484959A CN109484959A (en) | 2019-03-19 |
| CN109484959B true CN109484959B (en) | 2024-02-09 |
Family
ID=65712847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619778.5A Active CN109484959B (en) | 2018-12-28 | 2018-12-28 | Sectional bending forming cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484959B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20103074U1 (en) * | 2001-02-21 | 2001-06-13 | Thyssen Fahrtreppen Gmbh | Escalator or moving walk |
| CN203229300U (en) * | 2013-04-26 | 2013-10-09 | 苏州富士电梯有限公司 | Handcart conveying system |
| CN203845648U (en) * | 2014-03-07 | 2014-09-24 | 浙江西子重工机械有限公司 | Escalator |
| CN204714302U (en) * | 2015-05-15 | 2015-10-21 | 波士顿电梯(苏州)有限公司 | A kind of segmentation contraction type protective cover for escalator machine room lower |
| CN205616419U (en) * | 2016-03-24 | 2016-10-05 | 苏州菱高快速电梯有限公司 | Outdoor automatic escalator |
| CN205892467U (en) * | 2016-07-11 | 2017-01-18 | 鑫诺电梯有限公司 | Escalator is last / and lower part step guide rail connects reinforced structure |
| CN206014227U (en) * | 2016-08-31 | 2017-03-15 | 苏州杰富电梯有限公司 | The handrail gateway protection device of staircase or moving sidewalk |
| JP2017137165A (en) * | 2016-02-03 | 2017-08-10 | 日立金属株式会社 | Rubber handrail |
| CN209291761U (en) * | 2018-12-28 | 2019-08-23 | 江苏同力日升机械股份有限公司 | A kind of segmentation brake forming cover board |
-
2018
- 2018-12-28 CN CN201811619778.5A patent/CN109484959B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20103074U1 (en) * | 2001-02-21 | 2001-06-13 | Thyssen Fahrtreppen Gmbh | Escalator or moving walk |
| CN203229300U (en) * | 2013-04-26 | 2013-10-09 | 苏州富士电梯有限公司 | Handcart conveying system |
| CN203845648U (en) * | 2014-03-07 | 2014-09-24 | 浙江西子重工机械有限公司 | Escalator |
| CN204714302U (en) * | 2015-05-15 | 2015-10-21 | 波士顿电梯(苏州)有限公司 | A kind of segmentation contraction type protective cover for escalator machine room lower |
| JP2017137165A (en) * | 2016-02-03 | 2017-08-10 | 日立金属株式会社 | Rubber handrail |
| CN205616419U (en) * | 2016-03-24 | 2016-10-05 | 苏州菱高快速电梯有限公司 | Outdoor automatic escalator |
| CN205892467U (en) * | 2016-07-11 | 2017-01-18 | 鑫诺电梯有限公司 | Escalator is last / and lower part step guide rail connects reinforced structure |
| CN206014227U (en) * | 2016-08-31 | 2017-03-15 | 苏州杰富电梯有限公司 | The handrail gateway protection device of staircase or moving sidewalk |
| CN209291761U (en) * | 2018-12-28 | 2019-08-23 | 江苏同力日升机械股份有限公司 | A kind of segmentation brake forming cover board |
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| Publication number | Publication date |
|---|---|
| CN109484959A (en) | 2019-03-19 |
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