CN114991653B - Aluminum alloy section bar - Google Patents
Aluminum alloy section bar Download PDFInfo
- Publication number
- CN114991653B CN114991653B CN202210648941.0A CN202210648941A CN114991653B CN 114991653 B CN114991653 B CN 114991653B CN 202210648941 A CN202210648941 A CN 202210648941A CN 114991653 B CN114991653 B CN 114991653B
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- pedal
- alloy ladder
- ladder beam
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 76
- 239000000956 alloy Substances 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
- E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/423—Ladder stabilising struts
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/46—Non-skid equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides an aluminum alloy section bar, which comprises an aluminum alloy ladder beam, pedal components, springs and anti-tilting components, wherein the two aluminum alloy ladder beams are mutually hinged, the pedal components are composed of mutually connected pedals, the pedal components are installed in vertical guide grooves in the aluminum alloy ladder beam in a matched mode, the springs are arranged between the pedal components and the aluminum alloy ladder beam, the anti-tilting components are arranged on two sides of the aluminum alloy ladder beam, and each anti-tilting component comprises a friction wheel, a friction plate and a telescopic supporting rod. Install in the vertical guide slot in alloy ladder beam through pedal subassembly cooperation, will push down pedal subassembly when then the user stands on pedal subassembly, the pedal subassembly drives the friction plate and moves down this moment, and the friction plate drive friction wheel of moving down rotates, and then makes flexible bracing piece and ground contact, and then realizes the side direction support reinforcing, has guaranteed the security of using.
Description
Technical Field
The invention relates to the technical field of aluminum alloy components, in particular to an aluminum alloy profile.
Background
With the development of the metal industry, aluminum alloy materials are mostly utilized; the aluminum alloy has the characteristics of portability, attractive appearance and durability. Therefore, the herringbone ladder made of the aluminum alloy material also has the characteristics.
The invention patent publication No. CN112647833A discloses an aluminum alloy section, which is limited and supported by hinge points among ladder beams in the prior art, so that the ladder beams are prevented from overturning when a user stands on the ladder beams. However, the limiting mode can only ensure that the mutually hinged ladder beams do not turn over relatively, and when a user stands on the ladder beams, the user easily falls down integrally due to the fact that the gravity center is deviated, so that the user needs to manually hold the herringbone ladder.
Most of the existing herringbone ladders adopt transverse pull straps or scissor type pull rods to pull two ladder beams, so that the overturning of the herringbone ladders is avoided, and the limiting mode is the same as the prior art, so that the technical defect that the herringbone ladders are wholly dumped cannot be avoided.
Disclosure of Invention
The invention aims to provide an aluminum alloy profile for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an aluminum alloy section bar, includes aluminum alloy ladder beam, footboard subassembly, spring and anti-tilting subassembly, two aluminum alloy ladder beam articulates each other, wherein:
be equipped with vertical guide slot in the aluminum alloy ladder beam, the footboard subassembly comprises interconnect's footboard, and the footboard subassembly cooperation is installed in vertical guide slot, and then the footboard subassembly forms the revolute in vertical direction, is equipped with the spring between footboard subassembly and the aluminum alloy ladder beam, and the both sides of aluminum alloy ladder beam all are equipped with the subassembly of preventing leaning on, the subassembly of preventing leaning on includes friction wheel, friction plate and flexible bracing piece, the friction wheel is rotated and is installed in the side of aluminum alloy ladder beam, and the friction plate is connected with the side of footboard subassembly, and wherein friction plate and friction wheel frictional contact, flexible bracing piece set up the side at the friction wheel.
Preferably, the telescopic supporting rod comprises an outer rod, an inner rod and a rubber base, wherein the outer rod is arranged on the side face of the friction wheel, the inner rod is installed in the outer rod in a matched mode and can stretch out and draw back, and the rubber base is arranged at the end portion of the inner rod.
Preferably, the aluminum alloy section bar further comprises a cable-stayed jacking component, wherein the cable-stayed jacking component is arranged on the two aluminum alloy ladder beams and used for driving the two aluminum alloy ladder beams to open or merge.
Preferably, the inclined pulling jacking component consists of a linear driving component and an inclined pulling jacking rod, wherein the linear driving component is arranged on one of the aluminum alloy ladder beams, one end of the inclined pulling jacking rod is hinged with the other aluminum alloy ladder beam, and the other end of the inclined pulling jacking rod is hinged with an executing component of the linear driving component.
Preferably, a limit bolt is arranged in the threaded hole on the outer rod, and the end part of the limit bolt is in contact with the inner rod.
Preferably, the aluminum alloy ladder beam is provided with a limit baffle, wherein the limit baffle is positioned below the pedal in the pedal assembly, and a gap is reserved between the limit baffle and the pedal.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the pedal assembly is matched and installed in the vertical guide groove in the alloy ladder beam, so that a user can press the pedal assembly when standing on the pedal assembly, and at the moment, the pedal assembly drives the friction plate to move downwards, and the friction plate which moves downwards drives the friction wheel to rotate, so that the telescopic support rod is in contact with the ground, lateral support and reinforcement are realized, and the use safety is ensured.
Drawings
FIG. 1 is a three-dimensional schematic view of the overall structure of the present invention;
FIG. 2 is a front view of an aluminum alloy ladder beam and its associated components in accordance with the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a three-dimensional schematic view of a telescopic support bar according to the present invention;
fig. 5 is a three-dimensional schematic view of the components of the present invention when the aluminum alloy ladder beam is open.
In the figure: the device comprises an aluminum alloy ladder beam 1, a pedal assembly 2, a spring 3, an anti-tilting assembly 4, a diagonal jacking assembly 5, a limit baffle 11, a friction wheel 41, a friction plate 42, a telescopic support rod 43, an outer rod 431, an inner rod 432, a rubber base 433, a limit bolt 434, a linear driving assembly 51 and a diagonal jacking rod 52.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1 to 4, the present invention provides a technical solution:
an aluminum alloy section bar, includes aluminum alloy ladder beam 1, footboard subassembly 2, spring 3 and prevents inclining subassembly 4, wherein:
the two aluminum alloy ladder beams 1 are hinged with each other, therefore, the two aluminum alloy ladder beams 1 serving as supporting components can be turned over, and then turned over to be in a 'herringbone' shape when in use, and turned over to be in a state parallel to each other when not in use, vertical guide grooves are formed in the aluminum alloy ladder beams 1, the pedal components 2 are composed of mutually connected pedals, the pedal components 2 are matched and installed in the vertical guide grooves, and then the pedal components 2 form a moving pair in the vertical direction, then the pedal components 2 are pressed down when a user stands on the pedal components 2, a spring 3 is arranged between the pedal components 2 and the aluminum alloy ladder beams 1, wherein the spring 3 is vertically arranged, then the pedal components 2 which move downwards are subjected to buffer shock absorption, and when the user leaves the pedal components 2, the spring 3 pushes the pedal components to move backwards, flexible buffering can be realized on the premise of being used as active transmission, the pedal components 2 are prevented from being impacted by rigidity when the user stands directly, the two sides of the aluminum alloy ladder beams 1 are provided with anti-tilting components 4, the anti-tilting components 4 comprise friction wheels 41, friction plates 42 and supporting rods 43, the friction wheels 41 are rotatably installed on the side faces of the pedal components 2, the supporting rods 43 are rotatably arranged on the side faces of the aluminum alloy ladder beams 1, the supporting rods are rotatably connected with the friction wheels 41, and the friction wheels 41 are rotatably arranged on the side faces of the supporting rods 43, and are fixedly connected with the supporting rods 43, and are rotatably in friction wheels 41, and are rotatably connected with the friction wheels 41, and are rotatably and connected with the supporting rods, and are in a friction wheel 43.
As a preferred embodiment, the bottom of the aluminum alloy ladder beam 1 is provided with rubber pad feet, and the rubber pad feet can be contacted with the ground when the aluminum alloy ladder beam 1 is inclined.
As a preferred embodiment, the telescopic support rod 43 includes an outer rod 431, an inner rod 432, and a rubber base 433, the outer rod 431 is disposed on a side surface of the friction wheel 41 and is fixedly connected with the friction wheel 41, the inner rod 432 is mounted in the outer rod 431 in a matched manner and can realize telescopic motion, so that the distance between the inner rod 432 and the aluminum alloy ladder beam 1 is adjustable, the support effect can be further ensured under a condition of wide places, and the rubber base 433 is disposed at an end portion of the inner rod 432.
As a preferred embodiment, the aluminum alloy section bar further comprises a cable-stayed jacking component 5, wherein the cable-stayed jacking component 5 is arranged on the two aluminum alloy ladder beams 1 and is used for driving the two aluminum alloy ladder beams 1 to open or merge. The cable-stayed jacking component 5 consists of a linear driving component 51 and a cable-stayed jacking rod 52, wherein the linear driving component 51 is arranged on one aluminum alloy ladder beam 1, one end of the cable-stayed jacking rod 52 is hinged with the other aluminum alloy ladder beam 1, and the other end of the cable-stayed jacking rod is hinged with an executing component of the linear driving component 51.
As a preferred embodiment, in the above embodiment, the linear driving assembly 51 is a screw motion pair, and the linear driving assembly 51 is composed of a sliding rail, a sliding block and a screw, wherein the sliding rail is connected with the aluminum alloy ladder beam 1, the sliding block is mounted on the sliding rail in a matched manner, the screw is rotatably mounted on the sliding rail and penetrates through the sliding block, the screw is in threaded connection with the sliding block, and the sliding block serving as an executing component can linearly displace when the screw is rotated, wherein one end of the inclined pull jacking rod 52 is hinged with the sliding block in the linear driving assembly 51, and the screw transmission pair has a self-locking characteristic, so that the inclined pull jacking rod 52 is prevented from actively moving, and the inclined pull jacking rod 52 can be driven to move only when the screw is rotated.
As a preferred embodiment, a limit bolt 434 is disposed in a threaded hole on the outer rod 431, wherein an end of the limit bolt 434 contacts the inner rod 432, thereby limiting the inner rod 432.
As a preferred embodiment, the aluminum alloy ladder beam 1 is provided with a limit baffle 11, wherein the limit baffle 11 is located below the pedal in the pedal assembly 2, and the limit baffle 11 is in a gap with the pedal, so that the limit baffle 11 can avoid the transition downward movement of the pedal assembly 2 and avoid the transition extrusion of the spring 3.
According to the use principle of the invention, two aluminum alloy ladder beams 1 are turned over, so that the two aluminum alloy ladder beams 1 stand in a herringbone shape, then a user can climb, when the user stands on the pedal assembly 2, the pedal assembly 2 moves downwards under the action of gravity, at the moment, the pedal assembly 2 drives the friction plate 42 to synchronously move downwards, at the moment, the friction plate 42 drives the friction wheel 41 to rotate, the rotating friction wheel 41 drives the telescopic supporting rod 43 to turn outwards, and the telescopic supporting rod 43 transversely supports the aluminum alloy ladder beams 1, so that the situation of toppling is avoided;
in order to ensure that the two aluminum alloy ladder beams 1 do not overturn when in use, the technical effect is achieved by means of the inclined pull jacking component 5, and one end of the inclined pull jacking rod 52 is hinged with the other aluminum alloy ladder beam 1, and the other end of the inclined pull jacking rod 52 is hinged with an executing component of the linear driving component 51, so that the inclined pull jacking rod 52 can pull the two aluminum alloy ladder beams 1, the two aluminum alloy ladder beams 1 are prevented from rotating mutually, and safety is guaranteed. And under the premise of ensuring safety, because one end of the inclined pull jacking rod 52 is hinged with an executing component of the linear driving assembly 51, the inclined pull jacking rod 52 can push the aluminum alloy ladder beam 1 to overturn only when the linear driving assembly 51 acts, and the situation that the overturning angle of the aluminum alloy ladder beam 1 is fixed due to the adoption of a fixed-length bandage in the prior art is avoided.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an aluminum alloy section bar, includes aluminum alloy ladder beam (1), footboard subassembly (2), spring (3) and anti-tilt subassembly (4), two aluminum alloy ladder beam (1) are articulated each other, its characterized in that:
be equipped with vertical guide slot in aluminum alloy ladder beam (1), footboard subassembly (2) are constituteed by interconnect's footboard, and footboard subassembly (2) cooperation is installed in vertical guide slot, and then footboard subassembly (2) form the revolute pair in vertical direction, are equipped with spring (3) between footboard subassembly (2) and aluminum alloy ladder beam (1), and both sides of aluminum alloy ladder beam (1) all are equipped with anti-tilt subassembly (4), anti-tilt subassembly (4) include friction wheel (41), friction plate (42) and flexible bracing piece (43), the side at aluminum alloy ladder beam (1) is installed in the rotation of friction wheel (41), and friction plate (42) are connected with the side of footboard subassembly (2), and wherein friction plate (42) and friction wheel (41) frictional contact, flexible bracing piece (43) set up the side at friction wheel (41).
2. An aluminium alloy section according to claim 1, wherein: the telescopic supporting rod (43) comprises an outer rod (431), an inner rod (432) and a rubber base (433), wherein the outer rod (431) is arranged on the side face of the friction wheel (41), the inner rod (432) is installed in the outer rod (431) in a matched mode, and can stretch out and draw back, and the rubber base (433) is arranged at the end portion of the inner rod (432).
3. An aluminium alloy section according to claim 1, wherein: the aluminum alloy section bar also comprises a cable-stayed jacking component (5), wherein the cable-stayed jacking component (5) is arranged on the two aluminum alloy ladder beams (1) and is used for driving the two aluminum alloy ladder beams (1) to open or merge.
4. An aluminum alloy profile as claimed in claim 3, wherein: the cable-stayed jacking assembly (5) consists of a linear driving assembly (51) and a cable-stayed jacking rod (52), wherein the linear driving assembly (51) is arranged on one of the aluminum alloy ladder beams (1), one end of the cable-stayed jacking rod (52) is hinged with the other aluminum alloy ladder beam (1), and the other end of the cable-stayed jacking rod is hinged with an executing component of the linear driving assembly (51).
5. An aluminium alloy ex-trusions according to claim 2, characterized in that: a limit bolt (434) is arranged in a threaded hole in the outer rod (431), and the end part of the limit bolt (434) is in contact with the inner rod (432).
6. An aluminium alloy section bar according to any one of claims 1-5, wherein: the aluminum alloy ladder beam (1) is provided with a limit baffle (11), wherein the limit baffle (11) is positioned below the pedal in the pedal assembly (2), and the limit baffle (11) is in clearance with the pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648941.0A CN114991653B (en) | 2022-06-09 | 2022-06-09 | Aluminum alloy section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648941.0A CN114991653B (en) | 2022-06-09 | 2022-06-09 | Aluminum alloy section bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114991653A CN114991653A (en) | 2022-09-02 |
| CN114991653B true CN114991653B (en) | 2023-11-10 |
Family
ID=83032345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210648941.0A Active CN114991653B (en) | 2022-06-09 | 2022-06-09 | Aluminum alloy section bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991653B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128139A (en) * | 1977-12-07 | 1978-12-05 | Cook Sr Jack E | Automatic levelling and locking ladder |
| JPH0333390A (en) * | 1989-06-28 | 1991-02-13 | Natl House Ind Co Ltd | Vertically movable tool |
| US6688426B1 (en) * | 2002-03-02 | 2004-02-10 | Harry Mikros | Wheel extension and lift device for ladders |
| JP3128837U (en) * | 2006-11-08 | 2007-01-25 | 建兒 喜久村 | Scaffolding device having ladder-like legs |
| JP2011102478A (en) * | 2009-11-10 | 2011-05-26 | Sankyo:Kk | Device for preventing fall of ladder |
| JP2011202470A (en) * | 2010-03-26 | 2011-10-13 | G System:Kk | Device for prevention of stepladder toppling over |
| KR20140000271U (en) * | 2012-07-03 | 2014-01-14 | 현대중공업 주식회사 | Rolling ladder |
| CN206845078U (en) * | 2017-07-04 | 2018-01-05 | 国网安徽省电力公司亳州供电公司 | Steady ladder |
| CN107975339A (en) * | 2017-12-11 | 2018-05-01 | 天津市金锚家居用品有限公司 | A kind of Retractive leg structure of step stool |
| CN108252642A (en) * | 2018-03-06 | 2018-07-06 | 吴江市佳格精密机械有限公司 | A kind of Portable aluminium alloy ladder |
| CN209523698U (en) * | 2018-10-14 | 2019-10-22 | 天津宜捷海特通用航空服务有限公司 | A kind of high-strength light carbon fiber baby plane empennage maintenance ladder |
| CN209875031U (en) * | 2019-04-10 | 2019-12-31 | 湖南省第三工程有限公司 | Adjustable lifting herringbone ladder |
| CN210195648U (en) * | 2019-04-24 | 2020-03-27 | 广东蓝堡建设有限公司 | Building decoration removes ladder |
| CN210370449U (en) * | 2019-07-02 | 2020-04-21 | 东莞市枫华园林工程有限公司 | Garden ladder |
| CN210460475U (en) * | 2019-06-28 | 2020-05-05 | 徐凤格 | Novel ladder |
| CN111305743A (en) * | 2020-02-24 | 2020-06-19 | 永康市东旭梯业有限公司 | Intelligent adjustable lifting ladder |
| CN211900432U (en) * | 2020-03-26 | 2020-11-10 | 舟山市兴港物业管理有限公司 | Herringbone ladder |
| CN213807513U (en) * | 2020-10-16 | 2021-07-27 | 艾军 | Insulating foot rest for electromechanical maintainer of colliery |
| KR20220006383A (en) * | 2020-07-08 | 2022-01-17 | 원종심 | A-shaped safety ladder combined with scaffolding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10988985B2 (en) * | 2018-06-25 | 2021-04-27 | Thomas Yoo | Ladder |
-
2022
- 2022-06-09 CN CN202210648941.0A patent/CN114991653B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128139A (en) * | 1977-12-07 | 1978-12-05 | Cook Sr Jack E | Automatic levelling and locking ladder |
| JPH0333390A (en) * | 1989-06-28 | 1991-02-13 | Natl House Ind Co Ltd | Vertically movable tool |
| US6688426B1 (en) * | 2002-03-02 | 2004-02-10 | Harry Mikros | Wheel extension and lift device for ladders |
| JP3128837U (en) * | 2006-11-08 | 2007-01-25 | 建兒 喜久村 | Scaffolding device having ladder-like legs |
| JP2011102478A (en) * | 2009-11-10 | 2011-05-26 | Sankyo:Kk | Device for preventing fall of ladder |
| JP2011202470A (en) * | 2010-03-26 | 2011-10-13 | G System:Kk | Device for prevention of stepladder toppling over |
| KR20140000271U (en) * | 2012-07-03 | 2014-01-14 | 현대중공업 주식회사 | Rolling ladder |
| CN206845078U (en) * | 2017-07-04 | 2018-01-05 | 国网安徽省电力公司亳州供电公司 | Steady ladder |
| CN107975339A (en) * | 2017-12-11 | 2018-05-01 | 天津市金锚家居用品有限公司 | A kind of Retractive leg structure of step stool |
| CN108252642A (en) * | 2018-03-06 | 2018-07-06 | 吴江市佳格精密机械有限公司 | A kind of Portable aluminium alloy ladder |
| CN209523698U (en) * | 2018-10-14 | 2019-10-22 | 天津宜捷海特通用航空服务有限公司 | A kind of high-strength light carbon fiber baby plane empennage maintenance ladder |
| CN209875031U (en) * | 2019-04-10 | 2019-12-31 | 湖南省第三工程有限公司 | Adjustable lifting herringbone ladder |
| CN210195648U (en) * | 2019-04-24 | 2020-03-27 | 广东蓝堡建设有限公司 | Building decoration removes ladder |
| CN210460475U (en) * | 2019-06-28 | 2020-05-05 | 徐凤格 | Novel ladder |
| CN210370449U (en) * | 2019-07-02 | 2020-04-21 | 东莞市枫华园林工程有限公司 | Garden ladder |
| CN111305743A (en) * | 2020-02-24 | 2020-06-19 | 永康市东旭梯业有限公司 | Intelligent adjustable lifting ladder |
| CN211900432U (en) * | 2020-03-26 | 2020-11-10 | 舟山市兴港物业管理有限公司 | Herringbone ladder |
| KR20220006383A (en) * | 2020-07-08 | 2022-01-17 | 원종심 | A-shaped safety ladder combined with scaffolding |
| CN213807513U (en) * | 2020-10-16 | 2021-07-27 | 艾军 | Insulating foot rest for electromechanical maintainer of colliery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114991653A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113027169B (en) | Angle-adjustable support frame for building | |
| CA2808602A1 (en) | Tower-type double-chain belt pumping unit | |
| CN114754949A (en) | Top suspension drive type bridge durability wheel load experimental device | |
| CN114991653B (en) | Aluminum alloy section bar | |
| CN113445424A (en) | No. 0 block bracket structure of steel bridge | |
| CN212027213U (en) | Prosthetic bracket mounting structure of ancient building | |
| CN116443787A (en) | Railway electrification construction ladder car capable of leveling | |
| CN216365601U (en) | Self-balancing cross lifting wheelchair | |
| CN2451559Y (en) | Wheel type shears frame lifting jack | |
| CN215851542U (en) | Electric tractor lift platform | |
| CN112158239B (en) | Building site handcart | |
| CN210176373U (en) | Lifting machine | |
| CN216002276U (en) | New energy automobile trades electric installation | |
| CN216611054U (en) | Climbing ladder capable of being placed in transverse rotation mode | |
| CN2636900Y (en) | Raising device of treadlemill | |
| CN220926122U (en) | Truck crane with auxiliary supporting device | |
| CN221027049U (en) | T-shaped elevator guide rail limiting table | |
| CN220394331U (en) | Urban barrier-free ramp buffer device | |
| CN211567951U (en) | Rail transit bogie | |
| CN211423901U (en) | Vehicle-mounted holder link mechanism lodging device | |
| CN217200063U (en) | Split roller type vertical rail hydraulic supporting device for hook arm vehicle | |
| CN213477574U (en) | Movable ascending frame | |
| CN221457845U (en) | Bicycle parking supporting device | |
| CN219480756U (en) | Massage armchair convenient to remove | |
| CN221095980U (en) | But bracing piece of quick adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |