CN110905391B

CN110905391B - Suspension ladder adjusting control method suitable for different wall surfaces

Info

Publication number: CN110905391B
Application number: CN201911254143.4A
Authority: CN
Inventors: 施继良; 马豪; 石宏杰
Original assignee: Wenzhou Guojun Machinery Co ltd
Current assignee: Jiaxing shunkailu Technology Co.,Ltd.
Priority date: 2018-08-17
Filing date: 2018-08-17
Publication date: 2020-11-24
Anticipated expiration: 2038-08-17
Also published as: CN109339689A; CN110905391A; CN109339689B

Abstract

The invention discloses a suspension ladder adjusting control method suitable for different wall surfaces, wherein the suspension ladder comprises a ladder frame, an upper hanging plate arranged at the upper end of the ladder frame, and a supporting plate, wherein a lower pressing plate arranged at the lower end of the upper hanging plate is hinged with the end part of the lower pressing plate; the Z-shaped structure of the ladder frame ensures that the lower end of the whole ladder has good supporting effect, the upper hanging plate clamped at the upper end of the ladder frame can be horizontally assembled with the upper end of the ladder frame and can also be vertically assembled with the upper end of the ladder frame, the upper hanging plate can increase the supporting surface at the upper end of the ladder frame, and the upper hanging plate can play a role in fixing a barb to the inner side of a wall surface when a climbing point is a vertical wall surface; the rolling wheel II is rotated to drive the rolling wheel I to rotate together, so that the steel wire ropes on two sides of the ladder frame are wound tightly, the supporting plate and the lower pressing plate are lifted upwards through the steel wire ropes, and then the lower pressing plate and the upper end face of the ladder frame form a clamping mechanism, so that the safety and stability of the whole ladder are improved.

Description

Suspension ladder adjusting control method suitable for different wall surfaces

Technical Field

The application is a divisional application of a Chinese patent application with the application number of 201810939796.5, which is filed on 8.17.2018 and is named as an adjustable hanging ladder.

Background

The ladder is a common climbing hardware tool of usefulness of ascending a height, can divide into single face ladder, double ladder, extension ladder and dual-purpose ladder from structural, and during the operation of ascending a height, the ladder is an ideal appurtenance, but it still has following drawback in the in-service use:

1. when the equal-height point is a convex suspended surface, the ladder in the prior art can not be firmly hung, so that the ladder can not quickly and effectively reach the equal-height point;

2. the ladder in the prior art is lack of fixing devices at the upper end and the lower end of a suspended surface, so that the ladder is easy to slide off from a supporting point, and safety accidents are caused.

Disclosure of Invention

The present invention is directed to an adjustable hanging ladder to solve the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable hanging ladder comprises a ladder frame, an upper hanging plate arranged at the upper end of the ladder frame, a lower pressing plate arranged at the lower end of the upper hanging plate, and a supporting plate hinged with the end part of the lower pressing plate, wherein the main body of the ladder frame is of a Z-shaped frame structure, a clamping groove of a U-shaped groove body structure is arranged at the upper end of the ladder frame, the upper hanging plate of a square frame body structure is clamped in the clamping groove, two side surfaces of the upper hanging plate and the clamping groove are connected together through a U-shaped pin of the U-shaped structure, two guide blocks I of a block structure and two guide blocks II of a block structure are symmetrically arranged at the upper end and the lower end of the ladder frame, a hinged seat I is arranged at the lower end of each guide block I, the rear end surface of the ladder frame is provided with the lower pressing plate of the plate structure, the other end of the lower pressing plate is hinged with the supporting plate, the lower end of the hinged seat I is uniformly provided with stopping teeth, the lower extreme of ladder frame just is equipped with the fixing base on the rear end face of ladder frame, it has winding wheel I to articulate on the fixing base, winding wheel II is installed in the left end of winding wheel I matching, and is equipped with spline tooth I who is the dentate structure of circumference range at the left end of fixing base.

Preferably, the wall bodies on the left side and the right side of the upper hanging plate and the wall bodies on the left side and the right side of the clamping groove are respectively provided with a corresponding pin hole, and the U-shaped pin is matched with the pin holes to fixedly connect the upper hanging plate in the clamping groove.

Preferably, the main body of the supporting plate is a pulling plate with a plate-shaped structure, a hinge joint hinged with the lower pressing plate is arranged at the upper end of the pulling plate, and two guide blocks III with block structures are symmetrically arranged at the left end and the right end of the pulling plate.

Preferably, the middle of the winding wheel I is provided with a rotating shaft with a cylindrical rod-shaped structure, the right end of the rotating shaft is provided with a rope wheel I with a grooved wheel-shaped structure, the left end of the rotating shaft is provided with a plug-in shaft with a square cylindrical structure, and the plug-in shaft is in plug-in fit with the winding wheel II.

Preferably, the main body of the winding wheel II is a sheave-shaped rope wheel II, spline teeth II which are meshed with the spline teeth I and are circumferentially arranged and have a tooth-shaped structure are arranged at the right end of the sheave wheel II, and a hand wheel disc with a disc-shaped structure is arranged at the left end of the sheave wheel II.

Preferably, all be equipped with the via hole of cylinder type structure on guide block I, guide block II and the guide block III, and be furnished with wire rope in the via hole endotheca, wire rope symmetry is installed on the left and right sides face of ladder frame, and wire rope's one end fixed mounting is on the guide block III of backup pad left and right sides, wire rope's the other end is convoluteed respectively on rope sheave I and rope sheave II.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. the Z-shaped structure of the ladder frame enables the lower end of the whole ladder to have a good supporting effect, the upper end of the ladder frame has a good hanging effect, an upper hanging plate clamped at the upper end of the ladder frame can be horizontally assembled with the upper end of the ladder frame and can also be vertically assembled with the upper end of the ladder frame, the upper hanging plate can increase the supporting surface at the upper end of the ladder frame, and the lower hanging plate can play a role in fixing a barb on the inner side of a wall surface when a climbing point is a vertical wall surface;

2. the rolling wheel II is rotated to drive the rolling wheel I to rotate together, so that the steel wire ropes on the two sides of the ladder frame are wound tightly, the supporting plate and the lower pressing plate are lifted upwards through the steel wire ropes, and then the lower pressing plate and the upper end face of the ladder frame form a clamping mechanism, so that the whole upper end of the hanging ladder is fastened with the hanging supporting face, and the safety and stability of the whole ladder are improved.

Drawings

FIG. 1 is a schematic view of the structural assembly of the present invention A;

FIG. 2 is a schematic view of the structural assembly of the present invention B;

fig. 3 is an exploded view of the structure of the present invention.

In the figure: the steel wire rope pulley comprises a ladder frame 1, an upper hanging plate 2, a U-shaped pin 3, a guide block I4, a guide block II 5, a lower pressing plate 6, a supporting plate 7, a rolling wheel I8, a rolling wheel II 9, a steel wire rope 10, a clamping groove 101, an articulated seat I102, stop teeth 103, a fixed seat 104, spline teeth I105, a pulling plate 701, an articulated joint 702, a guide block III 703, a rotating shaft 801, a rope pulley I802, a plug-in shaft 803, a rope pulley II 901, a hand wheel disc 902 and spline teeth II 903.

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. 1-3, the present invention provides a technical solution: an adjustable hanging ladder comprises a ladder frame 1, an upper hanging plate 2 arranged at the upper end of the ladder frame 1, a lower pressing plate 6 arranged at the lower end of the upper hanging plate 2 and a supporting plate 7 hinged with the end part of the lower pressing plate 6, wherein the main body of the ladder frame 1 is of a Z-shaped frame structure, a clamping groove 101 of a U-shaped groove body structure is arranged at the upper end of the ladder frame 1, the upper hanging plate 2 of a square frame body structure is clamped in the clamping groove 101, two side faces of the upper hanging plate 2 and the clamping groove 101 are connected together through a U-shaped pin 3 of the U-shaped structure, two guide blocks I4 of the U-shaped block structure and two guide blocks II 5 of the block structure are symmetrically arranged at the upper end and the lower end of the ladder frame 1, a hinged seat I102 is arranged at the lower end of the guide blocks I4, a lower pressing plate 6 of the plate structure is hinged on the hinged seat I102, the other end of the lower pressing plate 6 is hinged with the supporting plate 7, stopping teeth 103 of the inverted tooth-shaped structure are uniformly arranged, the lower extreme of ladder frame 1 just is equipped with fixing base 104 on the rear end face of ladder frame 1, and articulated on fixing base 104 have a rolling wheel I8, and rolling wheel II 9 is installed in the left end matching of rolling wheel I8, and is equipped with the spline tooth I105 that is the dentate structure of circumference range at the left end of fixing base 104.

Further, go up and all be equipped with the pinhole that corresponds on the wall body of the left and right sides of link plate 2 and the wall body of the draw-in groove 101 left and right sides, U type round pin 3 will go up link plate 2 fixed connection in draw-in groove 101 through inserting with the pinhole, and this kind of structure makes and goes up link plate 2 can quick cartridge in draw-in groove 101 to can carry out quick switching between level and two vertical cooperation states.

Furthermore, the main body of the supporting plate 7 is a pulling plate 701 with a plate-shaped structure, the upper end of the pulling plate 701 is provided with a hinge 702 hinged to the lower pressing plate 6, the left end and the right end of the pulling plate 701 are symmetrically provided with two guide blocks III 703 with block structures, when the guide blocks III 703 are pulled upwards by a steel wire rope, the hinge 702 at the upper end of the supporting plate 7 drives the lower pressing plate 6 to rotate upwards, and meanwhile, the lower end of the supporting plate 7 is slidably arranged in the stop teeth 103 at the rear end face of the ladder frame 1, so that the supporting plate 7 plays a good role in fixing and supporting relative to the lower pressing plate 6.

Furthermore, a rotating shaft 801 with a cylindrical rod-shaped structure is arranged in the middle of the winding wheel I8, a rope wheel I802 with a groove-wheel-shaped structure is arranged at the right end of the rotating shaft 801, a plug-in shaft 803 with a square column-shaped structure is arranged at the left end of the rotating shaft 801, the plug-in shaft 803 is plugged in and matched with the winding wheel II 9, and the winding wheel I8 and the winding wheel II 9 rotate together due to the structure.

Further, the main body of the reel II 9 is a sheave II 901 with a sheave-shaped structure, spline teeth II 903 which are meshed with the spline teeth I105 and are arranged circumferentially and are in a toothed structure are arranged at the right end of the sheave II 901, a hand wheel disc 902 with a disc-shaped structure is arranged at the left end of the sheave II 901, when the spline teeth I105 and the spline teeth II 903 are disengaged, the reel II 9 drives the reel I8 to rotate together to tighten or loosen the steel wire rope, and when the spline teeth I105 and the spline teeth II 903 are meshed, the tensioning length of the steel wire rope is fixed.

Further, through holes with cylindrical structures are formed in the guide block I4, the guide block II 5 and the guide block III 703, a steel wire rope 10 is arranged in each through hole, the steel wire ropes 10 are symmetrically arranged on the left side surface and the right side surface of the ladder frame 1, one end of each steel wire rope 10 is fixedly arranged on the guide block III 703 on the left side surface and the right side surface of the support plate 7, the other end of each steel wire rope 10 is wound on the corresponding rope wheel I802 and the corresponding rope wheel II 901 respectively, the winding wheel II 9 is rotated to drive the corresponding winding wheel I8 to rotate together, meanwhile, the steel wire ropes wound on the corresponding rope wheel I802 and the corresponding rope wheel II 901 are wound tightly or loosened together, the support plate 7 at the other end of each steel wire rope and the lower pressing plate 6 are driven to rotate upwards or downwards, and.

The working principle is as follows: when the suspended supporting surface is a horizontal wall surface, referring to fig. 1, the upper hanging plate 2 and the clamping groove 101 are horizontally clamped together, the upper hanging plate 2 and the ladder frame 1 are inserted and matched and connected together through a U-shaped pin 3, the reel II 9 is pulled outwards along an inserting shaft 803 on the reel I8, the spline teeth II 903 at the right end of the reel II 9 are separated from the spline teeth I105, then the reel II 9 is rotated to drive the reel I8 to rotate together, so that the rope pulley II 901 and the rope pulley I802 wind the steel wire rope tightly, meanwhile, the other end of the steel wire rope drives the supporting plate 7 and the lower pressing plate 6 to be lifted upwards, so that the lower pressing plate 6 and the suspended horizontal wall surface of the upper end surface of the ladder frame 1 have an up-and-down clamping effect, after clamping, the reel II 9 is pulled towards the reel I8, so that the spline teeth II 903 at the right end of the reel II 9 are meshed and fixed with the spline teeth I105, and further the tensioning length of the, the upper end of the hanging ladder is tightly fixed with the suspended horizontal wall surface, the installation stability of the whole ladder is improved, and the lower end of the supporting plate 7 is clamped and matched in the stopping teeth 103 to further play a role in preventing skidding and falling.

When the suspended supporting wall surface is a vertical wall surface, refer to fig. 2, the spline teeth II 903 and the spline teeth I105 are separated, the winding wheel II 9 is rotated to drive the winding wheel I8 to unscrew the steel wire ropes on the left and right sides of the ladder frame 1, so that the supporting plate 7 at the other end of the steel wire ropes drives the lower pressing plate 6 to rotate downwards and flatly attach to the rear end surface of the ladder frame 1, then the spline teeth II 903 and the spline teeth I105 are meshed, it is ensured that the supporting plate 7 and the lower pressing plate 6 cannot swing at the rear end of the ladder frame 1, meanwhile, the upper hanging plate 2 is vertically clamped and matched in the clamping groove 101, the upper hanging plate 2 and the ladder frame 1 are connected in an inserting and matching mode through the U-shaped pin 3, at the moment, the upper end of the hanging ladder is buckled at the upper end of the vertical suspended wall surface, so that the upper end of the hanging ladder is tightly.

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

1. The utility model provides a hang ladder regulation control method who is adapted to different wall, its characterized in that, hang ladder includes ladder frame (1), last link plate (2) that ladder frame (1) upper end was established, lower holding plate (6) that link plate (2) lower extreme was established and with lower holding plate (6) tip articulated backup pad (7), its characterized in that: the main part of ladder frame (1) is Z shape frame construction, and is equipped with draw-in groove (101) of U-shaped groove structure in the upper end of ladder frame (1), draw-in groove (101) inside callipers have square frame structure's last link plate (2), and go up link plate (2) and the both sides face of draw-in groove (101) and be connected together through U type round pin (3) of U-shaped structure, the upper end bilateral symmetry of ladder frame (1) respectively is equipped with guide block I (4) of a block structure, the lower extreme bilateral symmetry of ladder frame (1) respectively is equipped with guide block II (5) of a block structure, the lower extreme of guide block I (4) is and be equipped with articulated seat I (102) on the rear end face of ladder frame (1), articulated seat I (102) go up articulated lower holding down plate (6) that have platelike structure, the other end of lower holding down plate (6) is articulated to have backup pad (7), the lower extreme of articulated seat I (102) is and be equipped with the locking tooth (103) of inverted tooth-like structure on the rear end face The lower end of the ladder frame (1) is provided with a fixed seat (104) on the rear end face of the ladder frame (1), the fixed seat (104) is hinged with a winding wheel I (8), the left end of the winding wheel I (8) is provided with a winding wheel II (9) in a matching way, and the left end of the fixed seat (104) is provided with spline teeth I (105) which are arranged circumferentially and have a tooth-shaped structure; a rotating shaft (801) with a cylindrical rod-shaped structure is arranged in the middle of the winding wheel I (8), a rope wheel I (802) with a grooved wheel-shaped structure is arranged at the right end of the rotating shaft (801), an inserting shaft (803) with a square column-shaped structure is arranged at the left end of the rotating shaft (801), and the inserting shaft (803) is inserted and matched with the winding wheel II (9); the main body of the reel II (9) is a sheave II (901) with a sheave-shaped structure, spline teeth II (903) which are meshed with the spline teeth I (105) and are in a tooth-shaped structure and are arranged circumferentially are arranged at the right end of the sheave II (901), and a hand wheel disc (902) with a disc-shaped structure is arranged at the left end of the sheave II (901);

through holes with cylindrical structures are formed in the guide block I (4), the guide block II (5) and the guide block III (703), steel wire ropes (10) are matched in the through holes, the steel wire ropes (10) are symmetrically installed on the left side surface and the right side surface of the ladder frame (1), and one ends of the steel wire ropes (10) are fixedly installed on the guide blocks III (703) on the left side and the right side of the supporting plate (7);

the other end of the steel wire rope (10) is respectively wound on the rope wheel I (802) and the rope wheel II (901), the winding wheel II (9) is rotated to drive the winding wheel I (8) to rotate together, and simultaneously, the steel wire rope wound on the rope wheel I (802) and the rope wheel II (901) are wound tightly or loosened together, so that the supporting plate (7) at the other end of the steel wire rope and the lower pressing plate (6) are driven to rotate upwards or downwards, and the clamping or loosening state is formed between the lower pressing plate (6) and the upper end face of the ladder frame (1) further;

the regulation control method comprises the following steps:

when the suspended supporting surface is a horizontal wall surface, the upper hanging plate (2) and the clamping groove (101) are horizontally clamped together, the upper hanging plate (2) and the ladder frame (1) are inserted and matched through the U-shaped pin (3) to be connected together, the reel II (9) is pulled outwards along the insertion shaft (803) on the reel I (8), the spline teeth II (903) at the right end of the reel II (9) are separated from the spline teeth I (105), then the reel II (9) is rotated to drive the reel I (8) to rotate together, so that the rope pulley II (901) and the rope pulley I (802) wind the steel wire rope tightly, meanwhile, the other end of the steel wire rope drives the supporting plate (7) and the lower pressing plate (6) to be lifted upwards, so that the upper end surface of the lower pressing plate (6) and the upper end surface of the ladder frame (1) have an up-down clamping effect relative to the suspended horizontal wall surface, after clamping, the reel II (9) is pulled towards the reel I (8), so that the spline teeth II (903) at the right end of the reel II (9) and the spline teeth I, the tensioning length of the steel wire ropes at the left end and the right end of the ladder frame (1) is further kept fixed, so that the upper end of the hanging ladder is tightly fixed with the suspended horizontal wall surface, the mounting stability of the whole ladder is improved, and the lower end of the supporting plate (7) is clamped in the stopping teeth (103) to further play a role in anti-skidding and anti-falling protection;

when the suspended supporting wall surface is a vertical wall surface, the spline teeth II (903) and the spline teeth I (105) are separated, the winding wheel II (9) is rotated to drive the winding wheel I (8) to unscrew the steel wire ropes on the left side and the right side of the ladder frame (1), so that the supporting plate (7) at the other end of the steel wire rope drives the lower pressing plate (6) to rotate downwards and be flatly attached to the rear end face of the ladder frame (1), then the spline teeth II (903) are meshed with the spline teeth I (105) to ensure that the supporting plate (7) and the lower pressing plate (6) cannot deflect at the rear end of the ladder frame (1), meanwhile, the upper hanging plate (2) is vertically clamped in the clamping groove (101), the upper hanging plate (2) is inserted and connected with the ladder frame (1) through the U-shaped pin (3), at the moment, the upper end of the hanging ladder is buckled at the upper end of the vertical suspended wall surface, the upper end of the hanging ladder is tightly buckled with the vertical suspended wall surface, and the stability of installation between the ladder and the suspended wall surface is guaranteed.

2. The hanging ladder adjustment control method suitable for different wall surfaces as claimed in claim 1, characterized in that: go up and all be equipped with the pinhole that corresponds on the wall body of the left and right sides of link plate (2) and the wall body of draw-in groove (101) left and right sides, U type round pin (3) will go up link plate (2) fixed connection in draw-in groove (101) through inserting with the pinhole.

3. The hanging ladder adjustment control method suitable for different wall surfaces as claimed in claim 1, characterized in that: the main body of the supporting plate (7) is a pulling plate (701) with a plate-shaped structure, a hinge joint (702) hinged with the lower pressing plate (6) is arranged at the upper end of the pulling plate (701), and two guide blocks III (703) with block structures are symmetrically arranged at the left end and the right end of the pulling plate (701).