CN112693991B - High-strength light-weight elevator guide rail - Google Patents
High-strength light-weight elevator guide rail Download PDFInfo
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- CN112693991B CN112693991B CN202011565147.7A CN202011565147A CN112693991B CN 112693991 B CN112693991 B CN 112693991B CN 202011565147 A CN202011565147 A CN 202011565147A CN 112693991 B CN112693991 B CN 112693991B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/022—Guideways; Guides with a special shape
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention provides a high-strength light-weight elevator guide rail which comprises a bottom plate and a vertical plate, wherein the vertical plate is fixed in the middle of the upper surface of the bottom plate, a cavity is formed in one end, away from the bottom plate, of the vertical plate, grooves are symmetrically formed in two sides of one end, close to the vertical plate, of the vertical plate, first limiting strips are symmetrically fixed to one end of the vertical plate, a slot is formed in one end, away from the first limiting strips, of the vertical plate, the first limiting strips are connected with the slot in an inserting mode, a first clamping block is fixed to the top, located on the vertical plate, of the slot, and a second limiting strip is fixed to one end, close to the first limiting strips, of the vertical plate. The invention can limit the vertical plate in two directions, greatly improve the installation precision, facilitate the installation of people, greatly reduce the weight and realize the light weight in the required strength range by arranging the cavity, and improve the strength, the plasticity, the toughness, the elongation and the like by adding alloy elements with different components in the guide rail, so that the smaller plate thickness can achieve higher strength, and the effects of high strength and light weight are achieved.
Description
Technical Field
The invention relates to the technical field of elevator guide rails, in particular to a high-strength light-weight elevator guide rail.
Background
An elevator (vertical elevator) is a transport equipment for vertically transporting pedestrians or goods, the elevator serves a building with a specified floor, the vertical elevator has a car running between at least two rows of vertical or rigid guide rails with an inclination angle of less than 15 ° for passengers to get in and out or load and unload goods, and can be divided into a low-speed elevator (less than 4 m/s), a high-speed elevator (4 to 12 m/s) and a high-speed elevator (more than 12 m/s) according to speed, and the elevator guide rails are elevator members composed of steel rails and connecting plates, and are divided into car guide rails and counterweight guide rails. The cross section is divided into three forms of T shape, L shape and hollow. The guide rail can bear the impact force of the car and the elevator during braking, the impact force of safety tongs during emergency braking and the like while playing a role in guiding. The magnitude of these forces is related to the load and speed of the elevator and the guide rails should therefore be selected according to the speed and load of the elevator. Generally, a car guide rail is called a main rail, and a counterweight guide rail is called a secondary rail;
when the elevator guide rail is installed, certain requirements are required on installation accuracy, if the installation accuracy is poor, the elevator runs and fails, therefore, when the elevator guide rail is installed, the female tenon and the male tenon are required to be butted, the existing elevator guide rail is simple in structure and only formed by splicing T-shaped steel, two pieces of T-shaped steel are positioned through the female tenon and the male tenon, but the positioning mode can only position one direction, so that the other direction still has deviation;
and current elevator guide rail is for intensity up to standard, with the comparatively thick and heavy of elevator guide rail preparation, has increased self weight, consequently leads to vertical installation back, and the phenomenon of distortion appears in the guide rail under the effect of gravity.
Therefore, it is necessary to provide a high-strength lightweight elevator guide rail to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a high-strength light-weight elevator guide rail.
The invention provides a high-strength light-weight elevator guide rail, which comprises a bottom plate and a vertical plate, wherein the middle part of the upper surface of the bottom plate is fixedly provided with the vertical plate, one end, far away from the bottom plate, of the vertical plate is provided with a cavity, two sides of one end, close to the vertical plate, of the vertical plate are symmetrically provided with grooves, one end, close to the vertical plate, of the vertical plate is symmetrically provided with a first limiting strip, one end, far away from the first limiting strip, of the vertical plate is provided with a slot, the first limiting strip is spliced with the slot, a first clamping block is fixedly arranged at the top of the slot of the vertical plate, one end, close to the first limiting strip, of the vertical plate is fixedly provided with a second limiting strip, one end, far away from the second limiting strip, of the vertical plate is provided with a limiting groove, the first clamping block and the second limiting strip are spliced with limiting grooves, and fixing holes are equidistantly formed in the surface of the bottom plate.
Preferably, the bottom plate, the vertical plate, the first limiting strip, the first clamping block and the second limiting strip are formed by integrally molding alloy steel.
Preferably, the elevator guide rail composed of the bottom plate, the vertical plate, the first limiting strip, the first clamping block and the second limiting strip comprises the following components in percentage by mass: 1 to 1.5 percent of manganese, 3 to 5.2 percent of nickel, 3 to 3.5 percent of molybdenum, 0.05 to 0.15 percent of carbon, 0.5 to 1.3 percent of silicon, less than or equal to 0.05 percent of phosphorus, 0.3 to 0.5 percent of titanium, 6 to 8 percent of chromium, 1 to 1.5 percent of aluminum, 0.0002 to 0.0004 percent of boron, 0.5 to 0.7 percent of vanadium, and the balance of iron element and inevitable impurities.
Preferably, the thickness a of the bottom plate is 5mm, the thickness b of the vertical plate is 10mm, and the thickness c of the vertical plate between the two grooves is 5 mm.
Preferably, the fillet r1 of the inner wall of the groove is 2mm, and the fillet r2 of the corner of the bottom plate and the vertical plate is 1 mm.
Preferably, the width of the bottom plate is 45mm, and the height of the vertical plate is 45 mm.
Preferably, one end of the first clamping block is provided with a chamfer.
Preferably, the elevator guide rail formed by the bottom plate, the vertical plate, the first limiting strip, the first clamping block and the second limiting strip further comprises 0.0001-0.0003% of rare earth elements.
Compared with the prior art, the high-strength light-weight elevator guide rail provided by the invention has the following beneficial effects:
the invention provides a high-strength light weight elevator guide rail:
the invention can limit the vertical plate in two directions, greatly improve the installation precision, facilitate the installation of people, greatly reduce the weight and realize the light weight in the required strength range by arranging the cavity, and improve the strength, the plasticity, the toughness, the elongation and the like by adding alloy elements with different components in the guide rail, so that the smaller plate thickness can achieve higher strength, and the effects of high strength and light weight are achieved.
Drawings
FIG. 1 is a schematic view of an overall structure provided by the present invention;
fig. 2 is a second schematic view of the overall structure provided by the present invention.
FIG. 3 is a schematic diagram of the overall side view structure provided by the present invention.
Reference numbers in the figures: 1. a base plate; 2. a vertical plate; 3. a cavity; 4. a groove; 5. a first limit strip; 6. a slot; 7. a first clamping block; 8. a second limit strip; 9. a limiting groove; 10. and (7) fixing holes.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Example one
In the specific implementation process, as shown in fig. 1 and 2, the high-strength light-weight elevator guide rail comprises a bottom plate 1 and a vertical plate 2, wherein the vertical plate 2 is fixed in the middle of the upper surface of the bottom plate 1, a cavity 3 is formed in one end, away from the bottom plate 1, of the vertical plate 2, grooves 4 are symmetrically formed in two sides of one end, close to the vertical plate 2, of the vertical plate 2, a first limiting strip 5 is symmetrically fixed at one end of the vertical plate 2, a slot 6 is formed in one end, away from the first limiting strip 5, of the vertical plate 2, the first limiting strip 5 is inserted into the slot 6, a first clamping block 7 is fixed at the top of the slot 6 of the vertical plate 2, a second limiting strip 8 is fixed at one end, away from the second limiting strip 8, of the vertical plate 2, a limiting groove 9 is formed in one end, away from the second limiting strip 8, the first clamping block 7 and the second limiting strip 8 are both inserted into the limiting groove 9, fixing holes 10 are formed in the surface of the bottom plate 1 at equal intervals, when the guide rail is used, the two guide rails are in butt joint end to end, make first spacing 5 on the riser 2 insert in slot 6, it is spacing to the upper and lower direction of riser 2, meanwhile, first fixture block 7 and second spacing 8 then insert at spacing groove 9 inner wall, it is spacing to the left and right directions of riser 2, realize spacing of two directions, improve the installation accuracy, and recess 4 is seted up to 2 upper end lower extremes of riser, be used for the direction, and cavity 3 that riser 2 upper end was seted up, can be in the intensity range of requirement, greatly reduced weight realizes the lightweight.
Referring to fig. 1 and 2, the bottom plate 1, the vertical plate 2, the first limiting strip 5, the first fixture block 7, and the second limiting strip 8 are formed integrally by alloy steel.
The elevator guide rail that bottom plate 1, riser 2, first spacing 5, first fixture block 7 and second spacing 8 are constituteed includes following mass percent component: 1% of manganese, 3% of nickel, 3% of molybdenum, 0.05% of carbon, 0.5% of silicon, less than or equal to 0.05% of phosphorus, 0.3% of titanium, 6% of chromium, 1% of aluminum, 0.0002% of boron, 0.5% of vanadium and the balance of iron and inevitable impurities, the strength and the hardness of the steel are improved by adding the manganese element into a guide rail, the strength of the steel is improved by adding the nickel element, the steel keeps good plasticity and toughness and has a certain corrosion resistance, the crystal grains of the steel can be refined by adding the molybdenum element, the hardenability and the heat strength are improved, the elastic limit, the yield point and the tensile strength of the steel can be obviously improved by adding the silicon, the internal structure of the steel can be compact by adding the titanium element, the crystal grain force is refined, the aging sensitivity and the cold brittleness are reduced, the welding performance is improved, the strength, the hardness and the wear resistance can be obviously improved by adding the chromium element, the impact toughness can be improved by adding a small amount of the aluminum element, the compactness and hot rolling performance of the steel can be improved and the strength is improved by adding the boron element, and the strength and the toughness are improved by adding the vanadium element.
Referring to fig. 3, the thickness a of the bottom plate 1 is 5mm, the thickness b of the vertical plate 2 is 10mm, the thickness c of the vertical plate 2 between the two grooves 4 is 5mm, the inner wall round corner r1 of each groove 4 is 2mm, the corner round corners r2 of the bottom plate 1 and the vertical plate 2 are 1mm, the width of the bottom plate 1 is 45mm, and the height of the vertical plate 2 is 45 mm.
Referring to fig. 2, one end of the first clamping block 7 is provided with a chamfer, so that the first clamping block 7 can be conveniently inserted into the first limiting strip 5.
The elevator guide rail formed by the bottom plate 1, the vertical plate 2, the first limiting strip 5, the first clamping block 7 and the second limiting strip 8 further comprises 0.0001-0.0003% of rare earth elements, wherein the rare earth elements refer to 15 lanthanide elements with atomic numbers of 57-71 in the periodic table of the elements, and can change the composition, form, distribution and properties of inclusions in steel, so that various performances of the steel are improved.
Example two
The elevator guide rail that bottom plate 1, riser 2, first spacing 5, first fixture block 7 and second spacing 8 are constituteed includes following mass percent component: 1.25% of manganese, 4.2% of nickel, 3.25% of molybdenum, 0.1% of carbon, 0.7% of silicon, less than or equal to 0.05% of phosphorus, 0.4% of titanium, 7% of chromium, 1.25% of aluminum, 0.0003% of boron, 0.6% of vanadium and the balance of iron and inevitable impurities.
EXAMPLE III
The elevator guide rail that bottom plate 1, riser 2, first spacing 5, first fixture block 7 and second spacing 8 are constituteed includes following mass percent component: 1.5 percent of manganese, 5.2 percent of nickel, 3.5 percent of molybdenum, 0.15 percent of carbon, 1.3 percent of silicon, less than or equal to 0.05 percent of phosphorus, 0.5 percent of titanium, 8 percent of chromium, 1.5 percent of aluminum, 0.0004 percent of boron, 0.7 percent of vanadium and the balance of iron and inevitable impurities.
The mechanical property test is carried out on the alloy elements with different components, and the test result is as follows:
as can be seen from the above table, the elevator guide rails prepared in embodiments 1 to 3 of the present invention have yield strength of 975 or more, tensile strength of 1235 or more, and excellent mechanical properties such as high strength, high plasticity, high toughness, and elongation, so that a smaller plate thickness can achieve higher strength, and a high strength and light weight effect.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A high-strength light-weight elevator guide rail comprises a bottom plate (1) and a vertical plate (2),
the middle part of the upper surface of the bottom plate (1) is fixed with a vertical plate (2), and the vertical plate (2) is far away from the bottom plate (1)
A cavity (3) is formed in one end of the vertical plate (2), grooves (4) are symmetrically formed in two sides of one end of the vertical plate (2), a first limiting strip (5) is symmetrically fixed at one end of the vertical plate (2), a slot (6) is formed in one end, far away from the first limiting strip (5), of the vertical plate (2), the first limiting strip (5) is spliced with the slot (6), a first clamping block (7) is fixed at the top of the vertical plate (2) located at the first limiting strip (5), a second limiting strip (8) is fixed at one end, close to the first limiting strip (5), of the vertical plate (2), a limiting groove (9) is formed in one end, far away from the second limiting strip (8), of the vertical plate (2), the first clamping block (7) and the second limiting strip (8) are spliced with the limiting groove (9), and fixing holes (10) are formed in the surface of the bottom plate (1) at equal intervals;
when using, two guide rail end to end for first spacing (5) on riser (2) are inserted in slot (6), and are spacing to the upper and lower direction of riser (2), and meanwhile, first fixture block (7) and spacing (8) of second then insert at spacing groove (9) inner wall, and the left and right directions to riser (2) are spacing, realize the spacing of two directions.
2. A high-strength light-weight elevator guide rail according to claim 1, characterized in that the floor (1) is provided with,
The vertical plate (2), the first limit strip (5), the first clamping block (7) and the second limit strip (8) are alloy steel I
And (4) forming the body.
3. A high-strength light-weight elevator guide rail according to claim 1, characterized in that the floor (1) is provided with,
Elevator that riser (2), first spacing (5), first fixture block (7) and second spacing (8) are constituteed
The guide rail comprises the following components in percentage by mass: 1 to 1.5 percent of manganese, 3 to 5.2 percent of nickel, 3 to 3.5 percent of molybdenum, 0.05 to 0.15 percent of carbon,
0.5 to 1.3 percent of silicon, less than or equal to 0.05 percent of phosphorus, 0.3 to 0.5 percent of titanium, 6 to 8 percent of chromium, 1 to 1.5 percent of aluminum, 0.0002 to 0.0004 percent of boron,
0.5 to 0.7 percent of vanadium, and the balance of iron element and inevitable impurities.
4. High strength light weight elevator guide rail according to claim 3, characterized in that the floor (1)
The thickness a is 5mm, the thickness b of the vertical plate (2) is 10mm, and the vertical plate (2) is positioned in two grooves (4)
The thickness c in between is 5 mm.
5. High strength and light weight elevator guide rail according to claim 4, characterized in that the groove (4)
Inner wall fillet r1 is 2mm, the corner fillet r2 of bottom plate (1) and riser (2) is 1 mm.
6. High strength light weight elevator guide rail according to claim 5, characterized in that the floor (1)
The width is 45mm, and the height of riser (2) is 45 mm.
7. The high strength light weight elevator guide rail of claim 5, wherein the first card is
One end of the block (7) is provided with a chamfer.
8. A high-strength light-weight elevator guide rail according to claim 5, characterized in that the floor (1),
Elevator 2 composed of vertical plate (2), first limit strip (5), first clamping block (7) and second limit strip (8)
The guide rail further comprises 0.0001-0.0003% of a rare earth element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565147.7A CN112693991B (en) | 2020-12-25 | 2020-12-25 | High-strength light-weight elevator guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011565147.7A CN112693991B (en) | 2020-12-25 | 2020-12-25 | High-strength light-weight elevator guide rail |
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| Publication Number | Publication Date |
|---|---|
| CN112693991A CN112693991A (en) | 2021-04-23 |
| CN112693991B true CN112693991B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011565147.7A Active CN112693991B (en) | 2020-12-25 | 2020-12-25 | High-strength light-weight elevator guide rail |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113213305A (en) * | 2021-06-22 | 2021-08-06 | 常熟理工学院 | Guide fastening connection structural member of elevator guide rail |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002003127A (en) * | 2000-06-26 | 2002-01-09 | Fujitec Co Ltd | Guide rail of elevator |
| JP2006290488A (en) * | 2005-04-07 | 2006-10-26 | Mitsubishi Electric Corp | Guide rail for elevator |
| CN103315542A (en) * | 2013-05-22 | 2013-09-25 | 孙震 | Embedded-type combined real wooden stool |
| CN106906983A (en) * | 2017-03-24 | 2017-06-30 | 扬州富铭新材料有限公司 | A kind of plastic floor with positioning substrate |
| CN206857911U (en) * | 2017-06-30 | 2018-01-09 | 亚洲富士电梯股份有限公司 | A kind of cage guide connection component |
| CN207078868U (en) * | 2017-08-29 | 2018-03-09 | 重庆三杭蒙特费罗电梯部件有限公司 | A kind of cage guide for being easy to lubrication |
| CN207226743U (en) * | 2017-08-30 | 2018-04-13 | 广州广日电梯工业有限公司 | A kind of cage guide of mortise-tenon joint |
| CN207483115U (en) * | 2017-11-07 | 2018-06-12 | 天津美东业金电梯部件有限公司 | A kind of Demountable combined-type cage guide |
| CN210286379U (en) * | 2019-05-05 | 2020-04-10 | 湖州高精电梯导轨科技有限公司 | Elevator guide rail structure convenient to installation and good in weather resistance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI545277B (en) * | 2014-06-17 | 2016-08-11 | Screw |
-
2020
- 2020-12-25 CN CN202011565147.7A patent/CN112693991B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002003127A (en) * | 2000-06-26 | 2002-01-09 | Fujitec Co Ltd | Guide rail of elevator |
| JP2006290488A (en) * | 2005-04-07 | 2006-10-26 | Mitsubishi Electric Corp | Guide rail for elevator |
| CN103315542A (en) * | 2013-05-22 | 2013-09-25 | 孙震 | Embedded-type combined real wooden stool |
| CN106906983A (en) * | 2017-03-24 | 2017-06-30 | 扬州富铭新材料有限公司 | A kind of plastic floor with positioning substrate |
| CN206857911U (en) * | 2017-06-30 | 2018-01-09 | 亚洲富士电梯股份有限公司 | A kind of cage guide connection component |
| CN207078868U (en) * | 2017-08-29 | 2018-03-09 | 重庆三杭蒙特费罗电梯部件有限公司 | A kind of cage guide for being easy to lubrication |
| CN207226743U (en) * | 2017-08-30 | 2018-04-13 | 广州广日电梯工业有限公司 | A kind of cage guide of mortise-tenon joint |
| CN207483115U (en) * | 2017-11-07 | 2018-06-12 | 天津美东业金电梯部件有限公司 | A kind of Demountable combined-type cage guide |
| CN210286379U (en) * | 2019-05-05 | 2020-04-10 | 湖州高精电梯导轨科技有限公司 | Elevator guide rail structure convenient to installation and good in weather resistance |
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| CN112693991A (en) | 2021-04-23 |
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