CN211974478U - Steel cat ladder with step angle capable of being adjusted steplessly - Google Patents
Steel cat ladder with step angle capable of being adjusted steplessly Download PDFInfo
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- CN211974478U CN211974478U CN202020131066.5U CN202020131066U CN211974478U CN 211974478 U CN211974478 U CN 211974478U CN 202020131066 U CN202020131066 U CN 202020131066U CN 211974478 U CN211974478 U CN 211974478U
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Abstract
The utility model relates to a steel cat ladder related technical field, specifically a but step angle infinitely variable control steel cat ladder, including ladder roof beam and the railing of setting on ladder roof beam, ladder roof beam is provided with two altogether, and is provided with adjustable step plate between two ladder roof beam structures, and adjustable step plate evenly is provided with many between ladder roof beam, and is provided with adjustable connecting plate between the top and the bottom of ladder roof beam, has seted up the connecting plate mounting hole on the plate body of adjustable connecting plate, and two connecting plates are installed on ground and roof face through its mounting hole respectively, the fixed welding of railing upper end has the handrail, and the lower extreme of its body of rod is provided with the limiting plate; install on the ladder roof beam through rotating adjustable step plate to install the gear on the bearing of adjustable step plate tip, and couple together each gear through the cogged belt track, thereby let the staff can be very convenient adjust the angle to adjustable step plate, thereby let the steel cat ladder can use between the floor of multiple height, unusual convenient and practical.
Description
Technical Field
The utility model relates to a relevant technical field of steel cat ladder specifically is a but angle of marking time infinitely variable control steel cat ladder.
Background
With the improvement of energy conservation and emission reduction and the awareness of protecting green water in the green mountains, more and more enterprises and public institutions push the working concept of cost reduction, efficiency improvement, quality improvement and efficiency improvement, and how to realize effective breakthrough of cost reduction and efficiency improvement from the fine part and the conventional part is a common target of all people. At present, temporary steel crawling ladders are widely used in construction sites of various industries, and generally comprise a step plate, ladder beams on two sides of the crawling ladder (the ladder beams are mainly made of channel steel or steel plates) and crawling ladder handrails; when arranging the steel cat ladder according to actual demand in the job site of present stage, can get the height, the width isopize that the scene arranged the steel cat ladder position to carry out the design and the preparation of steel cat ladder length, angle of marking time, railing handrail. Step time and ladder roof beam side and can adopt welded connection mostly, adopt bolted connection very rarely, railing handrail then is with ladder roof beam top surface welding. The selection of welding or bolted connection mode has directly leaded to the angle of marking time to have only one, uses this cat ladder under the artificial engineering prerequisite of according with, also can use the slope with a cat ladder that is the most comfortable. The manufactured steel crawling ladder is only used for being used for the situation of the position of the steel crawling ladder for the first time in a circulating mode after being detached, and the turnover performance is not achieved. Not conform to the production theory of present social energy saving and emission reduction, for this reason, the utility model provides a but angle infinitely variable control steel cat ladder of marking time is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but angle of marking time infinitely variable control steel cat ladder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but angle of marking time infinitely variable control steel cat ladder, includes the ladder beam and sets up the railing on the ladder beam, the ladder beam is provided with two altogether, and is provided with adjustable step between two ladder beam structures, adjustable step evenly is provided with many between the ladder beam, and is provided with adjustable connecting plate between the top of ladder beam and the lower extreme, the connecting plate mounting hole has been seted up on the plate body of adjustable connecting plate, and two connecting plates install on ground and roof surface through its mounting hole respectively, the fixed welding of railing upper end has the handrail, and the lower extreme of its body of rod is provided with the limiting plate, and is equipped with helicitic texture on the downside body of rod of limiting plate, and the railing passes through in nut fixed mounting's the handrail mounting hole on the ladder beam.
Preferably, the ladder beam is a rod body with an L-shaped cross section, a plurality of mounting holes are uniformly formed in the plate body of the vertical part of the rod body, and a bearing is fixedly mounted in the hole body of the mounting holes.
Preferably, the two ends of the adjustable connecting plate and the two ends of the adjustable step plate are both provided with rotating shafts, and the two ends of the adjustable connecting plate and the two ends of the adjustable step plate are both rotatably installed in bearing inner rings of the bearings through the rotating shafts.
Preferably, the rotating shaft at the two ends of the adjustable step plate is provided with an installation shaft with a regular hexagonal cross section, the outer side of the installation shaft is fixedly connected with a bolt column, a gear is installed on the shaft body of the installation shaft, and the installation hole of the gear is matched with the shape and size of the installation shaft.
Preferably, the downside of ladder roof beam is provided with the cingulum track gag lever post, the cingulum track gag lever post is an L type shaft member, and its both ends respectively fixed connection on the horizontal plate body and the vertical plate body of ladder roof beam, and rotates on the horizontal shaft body of cingulum track gag lever post and install the sleeve axle, and the cingulum track gag lever post sets up for crisscross with the mounting hole.
Preferably, the toothed belt track limiting rod is provided with a toothed belt track in an overhead mode, a tooth groove in the toothed belt track is meshed with a tooth groove structure in the gear, and a track lock is arranged at the lower end, close to the toothed belt track, of the toothed belt track.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the adjustable step plate is rotatably arranged on the ladder beam, the gear is arranged on the bearing at the end part of the adjustable step plate, and the gears are connected through the toothed belt track, so that the angle of the adjustable step plate can be conveniently adjusted by a worker, the steel ladder can be applied to floors with various heights, and the steel ladder is very convenient and practical;
2. and the position of the toothed belt track is limited by the toothed belt track limiting rod and the shaft sleeve, so that the motion friction of the toothed belt track is changed from sliding friction to rolling friction, and the motion of the toothed belt track is more flexible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a lower side view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the ladder beam structure of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4;
FIG. 6 is a schematic view of the adjustable step plate of the present invention;
fig. 7 is an enlarged view of the structure at C in fig. 6.
In the figure: the ladder comprises a ladder beam 1, a railing 2, handrails 3, a limiting plate 4, an adjustable step plate 5, a rotating shaft 6, an installation shaft 7, a bolt column 8, an adjustable connection plate 9, handrail installation holes 10, installation holes 11, a bearing 12, a toothed belt track limiting rod 13, a shaft sleeve 14, a gear 15, a toothed belt track 16 and a track lock 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a steel ladder with steplessly adjustable stepping angles comprises ladder beams 1 and handrails 2 arranged on the ladder beams 1, wherein two ladder beams 1 are arranged, an adjustable stepping plate 5 is arranged between the two ladder beam structures, a plurality of adjustable step plates 5 are uniformly arranged between the ladder beams 1, an adjustable connecting plate 9 is arranged between the uppermost end and the lowermost end of the ladder beams 1, the plate body of the adjustable connecting plate 9 is provided with connecting plate mounting holes, the two connecting plates are respectively mounted on the ground and the top floor surface through the mounting holes, the handrail 3 is fixedly welded at the upper end of the handrail 2, the lower end of the rod body is provided with a limit plate 4, the lower side of the limit plate 4 is provided with a thread structure, the railing 2 is fixedly arranged in a handrail mounting hole 10 on the ladder beam 1 through a nut, the safety of the device is improved through the railing, and the practicability of the device can be effectively improved through detachable installation.
Further, the ladder beam 1 is a rod body with an L-shaped section, a plurality of mounting holes 11 are formed in a plate body of the vertical part of the rod body, the mounting holes 11 are uniformly formed, and a bearing 12 is fixedly mounted in the hole body;
furthermore, the two ends of the adjustable connecting plate 9 and the adjustable step plate 5 are both provided with a rotating shaft 6, and the two ends are rotatably installed in the bearing inner ring of the bearing 12 through the rotating shaft 6, so that the flexibility of the pedal during rotation is improved through the bearing 12;
furthermore, the tail ends of the rotating shafts 6 at the two ends of the adjustable step plate 5 are provided with mounting shafts 7 with regular hexagonal sections, the outer sides of the mounting shafts 7 are fixedly connected with bolt columns 8, the shaft bodies of the mounting shafts 7 are provided with gears 15, and mounting holes of the gears 15 are matched with the shapes and sizes of the mounting shafts 7, so that the stability of gear fixation is improved;
furthermore, a toothed belt track limiting rod 13 is arranged on the lower side of the ladder beam 1, the toothed belt track limiting rod 13 is an L-shaped rod body, two ends of the L-shaped rod body are fixedly connected to a transverse plate body and a vertical plate body of the ladder beam 1 respectively, a sleeve shaft 14 is rotatably mounted on the transverse rod body of the toothed belt track limiting rod 13, the toothed belt track limiting rod 13 and the mounting hole 11 are arranged in a staggered mode, the position of the toothed belt track 16 is limited through the toothed belt track limiting rod 13 and the sleeve shaft 14, and therefore the motion friction of the toothed belt track 16 is converted from sliding friction to rolling friction, and the motion of the toothed belt track 16 is more flexible;
furthermore, a toothed belt track 16 is erected on the toothed belt track limiting rod 13, a tooth groove on the toothed belt track 16 is meshed with a tooth groove structure on the gear 15, and a track lock 17 is arranged at the lower end of the toothed belt track 16, so that a worker can conveniently adjust the angles of all the adjustable stepping plates 5, and the angle adjustment is very convenient;
the working principle is as follows: during the in-service use, the staff is through with adjustable connecting plate 9 of steel cat ladder upper and lower extreme respectively fixed mounting on roof surface and ground, then through loosening rail lock 17, then adjust through the inclination to one of them festival adjustable flier 5, because the regulation of a flier angle, it can drive gear 15 through its tip pivot 6 and rotate, thereby drive toothed belt rail 16 and remove, thereby the removal through toothed belt rail 16 drives the rotation of all the other gear structure, thereby adjust all adjustable fliers 5 to the same inclination, again with guide rail lock 17 with toothed belt rail 16 lock, through with railing 2 through the nut install in handrail mounting hole 10 on ladder beam 1 can.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 a but angle infinitely variable control steel cat ladder marks time, includes ladder roof beam (1) and railing (2) of setting on ladder roof beam (1), its characterized in that: ladder roof beam (1) is provided with two altogether, and is provided with adjustable step board (5) between two ladder roof beam structures, adjustable step board (5) evenly are provided with many between ladder roof beam (1), and are provided with adjustable connecting plate (9) between the top and the bottom of ladder roof beam (1), the connecting plate mounting hole has been seted up on the plate body of adjustable connecting plate (9), and two connecting plates are installed on ground and roof face through its mounting hole respectively, railing (2) upper end fixed welding has handrail (3), and the lower extreme of its body of rod is provided with limiting plate (4), and is equipped with helicitic texture on the downside body of rod of limiting plate (4), and railing (2) pass through in handrail mounting hole (10) of nut fixed mounting on ladder roof beam (1).
2. The steel ladder stand capable of steplessly adjusting the stepping angle according to claim 1, which is characterized in that: the ladder beam (1) is a rod body with an L-shaped cross section, a plurality of mounting holes (11) are uniformly formed in the plate body of the vertical part of the rod body, and bearings (12) are fixedly mounted in the hole body of the mounting holes (11).
3. The steel ladder stand capable of steplessly adjusting the stepping angle according to claim 1, which is characterized in that: the two ends of the adjustable connecting plate (9) and the two ends of the adjustable step plate (5) are both provided with rotating shafts (6), and the two ends are rotatably arranged in bearing inner rings of the bearings (12) through the rotating shafts (6).
4. The steel ladder stand capable of steplessly adjusting the stepping angle according to claim 1, which is characterized in that: the adjustable step plate is characterized in that the tail ends of the rotating shafts (6) at the two ends of the adjustable step plate (5) are provided with mounting shafts (7) with cross sections in regular hexagons, bolt columns (8) are fixedly connected to the outer sides of the mounting shafts (7), gears (15) are mounted on shaft bodies of the mounting shafts (7), and mounting holes of the gears (15) are matched with the shape and size of the mounting shafts (7).
5. The steel ladder stand capable of steplessly adjusting the stepping angle according to claim 1, which is characterized in that: the downside of ladder roof beam (1) is provided with cingulum track gag lever post (13), cingulum track gag lever post (13) are an L type shaft body, and its both ends difference fixed connection on the horizontal plate body and the vertical plate body of ladder roof beam (1), and rotate on the horizontal body of rod of cingulum track gag lever post (13) and install sleeve axle (14), and cingulum track gag lever post (13) and mounting hole (11) are crisscross setting.
6. The steel ladder stand capable of steplessly adjusting the stepping angle according to claim 5, which is characterized in that: toothed belt track (16) are erected on the toothed belt track limiting rod (13), tooth grooves in the toothed belt track (16) are meshed with tooth groove structures in the gear (15), and a track lock (17) is arranged at the lower end, close to the toothed belt track (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131066.5U CN211974478U (en) | 2020-01-20 | 2020-01-20 | Steel cat ladder with step angle capable of being adjusted steplessly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131066.5U CN211974478U (en) | 2020-01-20 | 2020-01-20 | Steel cat ladder with step angle capable of being adjusted steplessly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211974478U true CN211974478U (en) | 2020-11-20 |
Family
ID=73372634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020131066.5U Active CN211974478U (en) | 2020-01-20 | 2020-01-20 | Steel cat ladder with step angle capable of being adjusted steplessly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211974478U (en) |
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2020
- 2020-01-20 CN CN202020131066.5U patent/CN211974478U/en active Active
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