CN111173435A - Automatic cat ladder chassis of high stability - Google Patents
Automatic cat ladder chassis of high stability Download PDFInfo
- Publication number
- CN111173435A CN111173435A CN202010025299.1A CN202010025299A CN111173435A CN 111173435 A CN111173435 A CN 111173435A CN 202010025299 A CN202010025299 A CN 202010025299A CN 111173435 A CN111173435 A CN 111173435A
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- China
- Prior art keywords
- wall
- rotating shaft
- ladder
- fixedly connected
- connecting 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.)
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- 241000282326 Felis catus Species 0.000 title abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000009193 crawling Effects 0.000 claims abstract description 13
- 230000009194 climbing Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- E06C1/04—Ladders for resting against objects, e.g. walls poles, trees
- E06C1/08—Ladders for resting against objects, e.g. walls poles, trees multi-part
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/10—Reinforcements for ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/423—Ladder stabilising struts
Abstract
The invention belongs to the technical field of crawling ladders, and particularly relates to a high-stability automatic crawling ladder chassis which comprises a base, wherein two symmetrical extension plates are integrally formed at the top of the base, the inner walls of the two extension plates are rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a crawling ladder, the crawling ladder is rotatably connected with the base through the first rotating shaft, a fixed seat is fixedly connected to one side, far away from the extension plates, of the top of the base, sleeves are fixedly connected to two sides of the fixed seat in a screwed mode, and the two sleeves penetrate through the fixed seat and extend to the inside of the fixed seat; cooperation and transmission piece fixed connection through fillet of screw and thread groove to will fix the connecting rod at the transmission piece outer wall and carry on spacingly, support the bottom both sides of cat ladder by the connecting rod, increased the stress point of cat ladder, increased the stability of cat ladder, let the cat ladder more firm when using, simple structure, it is convenient to use, the practicality is strong.
Description
Technical Field
The invention belongs to the technical field of crawling ladders, and particularly relates to a high-stability automatic crawling ladder chassis.
Background
The ladder, daily life apparatus, this instrument is done the limit by two long thick poles, the middle horizontal pole that is fit for the climbing that crosses, be used for climbing the height, the ladder divide into lift single ladder and lift double ladder, along with the rapid development of national economy and city infrastructure, also strengthen increasingly to the demand of all kinds of new building materials, as the affiliated facilities of city inspection well, long-term, the cat ladder material adopts the reinforcing bar preparation always, but traditional metal cat ladder is under many adverse circumstances conditions, for example inspection shaft, the tunnel, chemical industry enterprise, occasion such as rainy moist, the metal cat ladder is extremely easy, influence safety in utilization, life is also shorter, consequently more and more portable automatic cat ladder appears.
The portable automatic cat ladder that has now can stretch out and draw back the cat ladder at most, does not use, reduces the volume of cat ladder with the cat ladder shrink to make cat ladder portable, when using, the length of extension ladder leans on the ladder to one side and uses on the wall, does not have a device for the cat ladder supports specially, when leading to the cat ladder to lean on to one side and use on the wall, just supports in order to ground to the bottom of cat ladder, makes the fixed insecure of cat ladder, has the potential safety hazard.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a high-stability automatic crawling ladder chassis which has the characteristic of high stability.
In order to achieve the purpose, the invention provides the following technical scheme: a high-stability automatic ladder stand chassis comprises a base, wherein two symmetrical extension plates are integrally formed at the top of the base, the inner walls of the two extension plates are rotatably connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a ladder stand, the ladder stand is rotatably connected with the base through the first rotating shaft, one side of the top of the base, far away from the extension plates, is fixedly connected with a fixed seat, two sides of the fixed seat are fixedly connected with sleeves in a screwed mode, the two sleeves penetrate through the fixed seat and extend into the fixed seat, the inner parts of the two sleeves are respectively rotatably connected with a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected with a transmission block, a threaded groove matched with the sleeves is formed in the transmission block, the sleeves are fixedly connected with the transmission block through the threaded groove, and the outer wall of the transmission block is fixedly connected with a connecting rod, the other end of the connecting rod is rotatably connected with a limiting block, the limiting block is clamped and fixed on the outer wall of the crawling ladder, a bolt is arranged on the limiting block, and the bolt penetrates through the limiting block and is fixedly connected with the crawling ladder.
Preferably, a bearing is slidably connected to the inside of the sleeve, the second rotating shaft is fixed to the inside of the bearing, and the second rotating shaft is rotatably connected to the sleeve through the bearing.
Preferably, the outer wall of the sleeve is fixedly connected with a thread ring, and the sleeve is fixed on the inner wall of the transmission block through the matching of the thread ring and the thread groove.
Preferably, the transmission block is provided with a through hole inside, the through hole is matched with the second rotating shaft, and the transmission block is fixed on the outer wall of the second rotating shaft through the through hole.
Preferably, the outer wall of the limiting block is fixedly connected with two symmetrical support lugs, and a third rotating shaft is rotatably connected between the two support lugs.
Preferably, the connecting rod is kept away from the one end fixedly connected with connecting block of fixing base, the connecting block is fixed the outer wall of third pivot, just the connecting rod passes through the third pivot with the stopper rotates to be connected.
Preferably, the limiting block is provided with a clamping groove matched with the crawling ladder, and the limiting block is fixed on the outer wall of the crawling ladder through the clamping of the clamping groove.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is used, after a worker carries the ladder stand to a use place, the ladder stand is rotated through the first rotating shaft to enable the ladder stand to lean against a wall obliquely, the ladder stand is supported by the base, the contact area of the ladder stand and the ground is increased, the supporting force is increased, the worker rotates the transmission block through the matching of the bearing and the second rotating shaft so as to drive the connecting rod fixed on the outer wall of the transmission block to rotate, so that the connecting rod is vertical to the ground, because the bearing slides on the inner wall of the sleeve, when the position of the sleeve is screwed, the bearing and the second rotating shaft cannot interfere with the sleeve, meanwhile, when the connecting rod is displaced, the limiting block rotating on the connecting block is driven to slide on the outer wall of the ladder stand through the matching of the connecting block and the rotating shaft, after the position of the connecting rod is adjusted, the worker screws the bolt to fix the limiting block on the outer wall of the, make the sleeve extend the inside that gets into the transmission piece to cooperation through fillet of screw and thread groove makes sleeve and transmission piece fixed connection, thereby will fix and carry on spacingly at the connecting rod of transmission piece outer wall, carry on spacingly the back to the connecting rod of adjusting the position, support the bottom both sides of cat ladder by the connecting rod, increased the stress point of cat ladder, increased the stability of cat ladder, let the cat ladder more firm when using, simple structure, it is convenient to use, and the practicality is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a sleeve and a transmission block according to the present invention;
FIG. 3 is a schematic structural diagram of a limiting block according to the present invention;
fig. 4 is a schematic structural diagram of the transmission block of the present invention.
In the figure: 1. a base; 11. an extension plate; 12. climbing a ladder; 13. a first rotating shaft; 2. a fixed seat; 21. a sleeve; 211. a bearing; 212. a thread ring; 22. a second rotating shaft; 23. a transmission block; 231. a thread groove; 232. a through hole; 24. a connecting rod; 241. connecting blocks; 25. a limiting block; 251. a card slot; 252. supporting a lug; 253. a third rotating shaft; 26. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a high-stability automatic ladder stand chassis comprises a base 1, two symmetrical extension plates 11 are integrally formed at the top of the base 1, the inner walls of the two extension plates 11 are rotatably connected with a first rotating shaft 13, the outer wall of the first rotating shaft 13 is fixedly connected with a ladder stand 12, the ladder stand 12 is rotatably connected with the base 1 through the first rotating shaft 13, one side of the top of the base 1, far away from the extension plates 11, is fixedly connected with a fixed seat 2, two sides of the fixed seat 2 are fixedly connected with sleeves 21 in a threaded manner, the two sleeves 21 penetrate through the fixed seat 2 and extend into the fixed seat 2, the interiors of the two sleeves 21 are respectively rotatably connected with a second rotating shaft 22, the outer wall of the second rotating shaft 22 is fixedly connected with a transmission block 23, a thread groove 231 matched with the sleeves 21 is formed in the transmission block 23, the sleeves 21 are fixedly connected with the transmission block 23 through the thread groove 231, and the outer, the other end of connecting rod 24 rotates and is connected with stopper 25, and the stopper 25 block is fixed at the outer wall of cat ladder 12, is equipped with bolt 26 on the stopper 25, and bolt 26 runs through stopper 25 and cat ladder 12 fixed connection.
In this embodiment: the top of the base 1 is integrally formed with two symmetrical extension plates 11, the inner walls of the two extension plates 11 are rotatably connected with a first rotating shaft 13, the outer wall of the first rotating shaft 13 is fixedly connected with a ladder stand 12, the ladder stand 12 is rotatably connected with the base 1 through the first rotating shaft 13, when in use, a worker rotates the ladder stand 12 through the first rotating shaft 13 to enable the ladder stand 12 to lean against a wall for use, the ladder stand 12 is supported by the base 1, the contact area of the ladder stand 12 and the ground is increased, the supporting force is increased, and the ladder stand is more stable, one side of the top of the base 1, far away from the extension plates 11, is fixedly connected with a fixed seat 2, two sides of the fixed seat 2 are fixedly screwed with sleeves 21, the two sleeves 21 penetrate through the fixed seat 2 and extend to the inside of the fixed seat 2, the inside of the two sleeves 21 is rotatably connected with a second rotating shaft 22, the outer wall of, the transmission block 23 is rotated by the matching of the bearing 211 and the second rotating shaft 22, so as to drive the connecting rod 24 fixed on the outer wall to rotate, so that the connecting rod 24 is perpendicular to the ground, the transmission block 23 is provided with a thread groove 231 matched with the sleeve 21, the sleeve 21 is fixedly connected with the transmission block 23 by the thread groove 231, after the position of the connecting rod 24 is adjusted, a worker screws the sleeve 21 fixed by the two ends of the fixing seat 2 and the sleeve 21 fixed by screwing, so that the sleeve 21 extends into the transmission block 23, the sleeve 21 is fixedly connected with the transmission block 23 by the matching of the thread ring 212 and the thread groove 231, the connecting rod 24 fixed on the outer wall of the transmission block 23 is limited, so as to limit the connecting rod 24 with the adjusted position, when the ladder stand 12 is supported, the support strength is prevented from being influenced by the rotation of the transmission block 23, the outer wall of the transmission block 23 is fixedly connected with the connecting rod 24, the two sides of, increased the stress point of cat ladder 12, the stability of cat ladder 12 has been improved, let cat ladder 12 more firm when using, moreover, the steam generator is simple in structure, it is convenient to use, therefore, the clothes hanger is strong in practicability, connecting rod 24's the other end is rotated and is connected with stopper 25, the outer wall at cat ladder 12 is fixed to stopper 25 block, be equipped with bolt 26 on the stopper 25, bolt 26 runs through stopper 25 and cat ladder 12 fixed connection, when connecting rod 24 takes place the displacement, stopper 25 that drives to rotate on it through connecting block 241 and third pivot 253 cooperation slides at the outer wall of cat ladder 12, twist bolt 26 again and fix the outer wall at cat ladder 12 with stopper 25, thereby be convenient for support cat ladder 12.
Specifically, a bearing 211 is slidably connected inside the sleeve 21, the second rotating shaft 22 is fixed inside the bearing 211, and the second rotating shaft 22 is rotatably connected with the sleeve 21 through the bearing 211; through the cooperation of bearing 211 and second pivot 22, the staff rotates transmission block 23 to the connecting rod 24 who fixes at its outer wall is rotated in the drive, makes connecting rod 24 and ground perpendicular, simultaneously because bearing 211 slides at the inner wall of sleeve 21, when twisting the position of sleeve 21, bearing 211, second pivot 22 can not interfere with sleeve 21, convenient to use.
Specifically, the outer wall of the sleeve 21 is fixedly connected with a thread ring 212, and the sleeve 21 is fixed on the inner wall of the transmission block 23 through the matching of the thread ring 212 and the thread groove 231; the staff twists and moves sleeve 21, make sleeve 21 extend the inside that gets into transmission piece 23, and make sleeve 21 and transmission piece 23 fixed through the cooperation of fillet of screw 212 and thread groove 231, be convenient for carry on spacingly to the connecting rod 24 after adjusting the position, make connecting rod 24 and perpendicular to ground, support the bottom both sides of cat ladder 12 by connecting rod 24, the stress point of cat ladder 12 has been increased, the stability of cat ladder 12 has been improved, let cat ladder 12 more firm when using, moreover, the steam generator is simple in structure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.
Specifically, a through hole 232 matched with the second rotating shaft 22 is formed in the transmission block 23, and the transmission block 23 is fixed on the outer wall of the second rotating shaft 22 through the through hole 232; second pivot 22 is fixed in through-hole 232 to driving transmission block 23 when making second pivot 22 rotate and rotating, being convenient for adjust the position of connecting rod 24, making connecting rod 24 and perpendicular to the ground, supporting the bottom both sides of cat ladder 12 by connecting rod 24, having increased the stress point of cat ladder 12, improved cat ladder 12's stability, it is more firm to let cat ladder 12 when using, simple structure, it is convenient to use, and the practicality is strong.
Specifically, the outer wall of the limiting block 25 is fixedly connected with two symmetrical support lugs 252, and a third rotating shaft 253 is rotatably connected between the two support lugs 252; connecting rod 24 rotates with stopper 25 through third pivot 253 to be connected, when connecting rod 24 takes place the displacement, drive stopper 25 that rotates above that through connecting block 241 and third pivot 253's cooperation and slide at the outer wall of cat ladder 12, support cat ladder 12 by rotating connecting rod 24 in the bottom, support the bottom both sides of cat ladder 12 by connecting rod 24, the stress point of cat ladder 12 has been increased, the stability of cat ladder 12 has been improved, let cat ladder 12 more firm when using, moreover, the steam generator is simple in structure, it is convenient to use, therefore, the clothes hanger is strong in practicability.
Specifically, one end of the connecting rod 24, which is far away from the fixed seat 2, is fixedly connected with a connecting block 241, the connecting block 241 is fixed on the outer wall of the third rotating shaft 253, and the connecting rod 24 is rotatably connected with the limiting block 25 through the third rotating shaft 253; the connecting rod 24 is rotatably connected with the limiting block 25 through the third rotating shaft 253, and when the connecting rod 24 displaces, the limiting block 25 rotating thereon is driven to slide on the outer wall of the ladder stand 12 through the cooperation of the connecting block 241 and the third rotating shaft 253.
Specifically, a clamping groove 251 matched with the ladder stand 12 is formed in the limiting block 25, and the limiting block 25 is clamped and fixed on the outer wall of the ladder stand 12 through the clamping groove 251; the block of cat ladder 12 is fixed in draw-in groove 251, fixes stopper 25 at the outer wall of cat ladder 12, supports the bottom both sides of cat ladder 12 by connecting rod 24, has increased the stress point of cat ladder 12, has improved the stability of cat ladder 12, lets cat ladder 12 more firm when using, simple structure, and it is convenient to use, and the practicality is strong.
The working principle and the using process of the invention are as follows: after the worker carries the ladder stand 12 to a use place, the ladder stand 12 is rotated through the first rotating shaft 13 to enable the ladder stand 12 to lean against a wall obliquely, the base 1 supports the ladder stand 12, the contact area between the ladder stand 12 and the ground is increased, the supporting force is increased, the worker rotates the transmission block 23 through the matching of the bearing 211 and the second rotating shaft 22 so as to drive the connecting rod 24 fixed on the outer wall of the transmission block to rotate, the connecting rod 24 is perpendicular to the ground, meanwhile, as the bearing 211 slides on the inner wall of the sleeve 21, when the position of the sleeve 21 is screwed, the bearing 211 and the second rotating shaft 22 cannot interfere with the sleeve 21, the transmission block 23 is convenient to use, the transmission block 23 drives the connecting rod 24 fixed on the outer wall of the transmission block to rotate, the connecting rod 24 is perpendicular to the ground, and meanwhile, when the connecting rod 24 displaces, the limiting block 25 rotating on the connecting block 241 is driven to slide on, after adjusting the position of connecting rod 24, the staff twists bolt 26 earlier and fixes stopper 25 at the outer wall of cat ladder 12, twist again and move fixing base 2 both ends and its spiro union fixed sleeve 21, make sleeve 21 extend the inside that gets into driving block 23, and make sleeve 21 and driving block 23 fixed connection through the cooperation of fillet of screw 212 and thread groove 231, thereby will fix and carry out spacingly at the connecting rod 24 of driving block 23 outer wall, prevent when supporting cat ladder 12, influence support intensity because of driving block 23 rotates, connecting rod 24 after adjusting the position carries out spacingly back, support the bottom both sides of cat ladder 12 by connecting rod 24, the stress point of cat ladder 12 has been increased, the stability of cat ladder 12 has been improved, let cat ladder 12 more firm when using, moreover, the steam generator is simple in structure, it is convenient to use, therefore, the clothes hanger is strong in practicability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high stability's automatic ladder stand chassis, includes base (1), its characterized in that: the top of the base (1) is integrally formed with two symmetrical extension plates (11), the inner walls of the two extension plates (11) are rotatably connected with a first rotating shaft (13), the outer wall of the first rotating shaft (13) is fixedly connected with a ladder (12), the ladder (12) is rotatably connected with the base (1) through the first rotating shaft (13), one side of the top of the base (1), which is far away from the extension plates (11), is fixedly connected with a fixed seat (2), sleeves (21) are fixedly screwed on two sides of the fixed seat (2), the two sleeves (21) penetrate through the fixed seat (2) and extend to the inside of the fixed seat (2), the insides of the two sleeves (21) are rotatably connected with a second rotating shaft (22), the outer wall of the second rotating shaft (22) is fixedly connected with a transmission block (23), and a thread groove (231) matched with the sleeves (21) is formed in the transmission block (23), the ladder is characterized in that the sleeve (21) is connected with the transmission block (23) through the thread groove (231), a connecting rod (24) is fixedly connected to the outer wall of the transmission block (23), a limiting block (25) is rotatably connected to the other end of the connecting rod (24), the limiting block (25) is clamped and fixed to the outer wall of the ladder stand (12), a bolt (26) is arranged on the limiting block (25), and the bolt (26) penetrates through the limiting block (25) and the ladder stand (12) and is fixedly connected with the ladder stand.
2. A high stability automatic ladder stand chassis according to claim 1, characterized in that: the inside sliding connection of sleeve (21) has bearing (211), second pivot (22) are fixed the inside of bearing (211), just second pivot (22) pass through bearing (211) with sleeve (21) rotate and are connected.
3. A high stability automatic ladder stand chassis according to claim 1, characterized in that: the outer wall of the sleeve (21) is fixedly connected with a thread ring (212), and the sleeve (21) is fixed on the inner wall of the transmission block (23) through the matching of the thread ring (212) and the thread groove (231).
4. A high stability automatic ladder stand chassis according to claim 1, characterized in that: the transmission block (23) is internally provided with a through hole (232) matched with the second rotating shaft (22), and the transmission block (23) is fixed on the outer wall of the second rotating shaft (22) through the through hole (232).
5. A high stability automatic ladder stand chassis according to claim 1, characterized in that: the outer wall of the limiting block (25) is fixedly connected with two symmetrical support lugs (252), and a third rotating shaft (253) is rotatably connected between the two support lugs (252).
6. A high stability automatic ladder stand chassis according to claim 5, characterized in that: keep away from connecting rod (24) one end fixedly connected with connecting block (241) of fixing base (2), connecting block (241) are fixed the outer wall of third pivot (253), just connecting rod (24) pass through third pivot (253) with stopper (25) rotate and are connected.
7. A high stability automatic ladder stand chassis according to claim 1, characterized in that: the limiting block (25) is provided with a clamping groove (251) matched with the crawling ladder (12), and the limiting block (25) is clamped and fixed on the outer wall of the crawling ladder (12) through the clamping groove (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025299.1A CN111173435B (en) | 2020-01-10 | 2020-01-10 | Automatic cat ladder chassis of high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025299.1A CN111173435B (en) | 2020-01-10 | 2020-01-10 | Automatic cat ladder chassis of high stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111173435A true CN111173435A (en) | 2020-05-19 |
| CN111173435B CN111173435B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010025299.1A Active CN111173435B (en) | 2020-01-10 | 2020-01-10 | Automatic cat ladder chassis of high stability |
Country Status (1)
| Country | Link |
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| CN (1) | CN111173435B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0609523A1 (en) * | 1993-01-26 | 1994-08-10 | HYMER LEICHTMETALLBAU GmbH & Co. KG | Hinge for step-ladder |
| US20050092551A1 (en) * | 2003-10-31 | 2005-05-05 | Caldwell Mark J. | Ladder safe base and method for utilization thereof |
| DE102013003920A1 (en) * | 2013-03-07 | 2014-09-11 | Günzburger Steigtechnik Munk GmbH | Articulated foot for ladder spars |
| CN108798482A (en) * | 2018-06-14 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of novel extension ladder |
| CN109057695A (en) * | 2017-07-19 | 2018-12-21 | 国网山东省电力公司莱西市供电公司 | A kind of method for supporting of ascending a height of power construction operation |
| CN209398340U (en) * | 2018-09-21 | 2019-09-17 | 合肥经纬园林工程有限公司 | A kind of removable garden ladder |
| CN209430099U (en) * | 2018-12-12 | 2019-09-24 | 丁凤景 | A kind of moveable safety escalator |
| CN209621200U (en) * | 2019-02-17 | 2019-11-12 | 绵阳二四机械有限公司 | A kind of mechanical package working stand anti-rollover positioning device |
| CN209838263U (en) * | 2019-04-28 | 2019-12-24 | 宁夏宝龙新能源科技有限公司 | Electrical power rush-repair ladder based on electric power engineering uses |
-
2020
- 2020-01-10 CN CN202010025299.1A patent/CN111173435B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0609523A1 (en) * | 1993-01-26 | 1994-08-10 | HYMER LEICHTMETALLBAU GmbH & Co. KG | Hinge for step-ladder |
| US20050092551A1 (en) * | 2003-10-31 | 2005-05-05 | Caldwell Mark J. | Ladder safe base and method for utilization thereof |
| DE102013003920A1 (en) * | 2013-03-07 | 2014-09-11 | Günzburger Steigtechnik Munk GmbH | Articulated foot for ladder spars |
| CN109057695A (en) * | 2017-07-19 | 2018-12-21 | 国网山东省电力公司莱西市供电公司 | A kind of method for supporting of ascending a height of power construction operation |
| CN108798482A (en) * | 2018-06-14 | 2018-11-13 | 芜湖博康机电有限公司 | A kind of novel extension ladder |
| CN209398340U (en) * | 2018-09-21 | 2019-09-17 | 合肥经纬园林工程有限公司 | A kind of removable garden ladder |
| CN209430099U (en) * | 2018-12-12 | 2019-09-24 | 丁凤景 | A kind of moveable safety escalator |
| CN209621200U (en) * | 2019-02-17 | 2019-11-12 | 绵阳二四机械有限公司 | A kind of mechanical package working stand anti-rollover positioning device |
| CN209838263U (en) * | 2019-04-28 | 2019-12-24 | 宁夏宝龙新能源科技有限公司 | Electrical power rush-repair ladder based on electric power engineering uses |
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| CN111173435B (en) | 2021-06-01 |
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Effective date of registration: 20220217 Address after: 528000 205-2, second floor, Huaya Plaza, No. 38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee after: FOSHAN GUANGKE INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: Room 217-1, 218, 2nd floor, Huaya Plaza, No.38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Foshan DingKe Technology Development Co.,Ltd. |
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Effective date of registration: 20240204 Address after: No.70, Zone B, Exhibition Hall, No. 998 Xuyang Road, Xuyang Economic Development Zone, Xiangdu District, Xingtai City, Hebei Province, 054000 Patentee after: Hebei Jixiang Technology Co.,Ltd. Country or region after: China Address before: 528000 205-2, second floor, Huaya Plaza, No. 38, Shuitou section, Guihe Road, Dali Town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN GUANGKE INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |