CN210768575U

CN210768575U - Novel ladder

Info

Publication number: CN210768575U
Application number: CN201921293982.2U
Authority: CN
Inventors: 王颖睿
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-16
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a novel ladder, aiming at providing an advantage of being capable of extending and retracting and convenient for people to use, the technical scheme is that, a novel ladder, including the ladder body, the ladder body includes first ladder and second ladder, sliding connection has telescopic machanism between first ladder and the second ladder, telescopic machanism include with first ladder sliding connection's third ladder and with second ladder sliding connection's fourth ladder, be equipped with between third ladder and the fourth ladder and rotate the first bracing piece of being connected with the third ladder, first bracing piece sliding connection is on the fourth ladder, rotate respectively on first ladder and the second ladder and be connected with second bracing piece and third bracing piece, be equipped with locking mechanism on third ladder and the fourth ladder, it is connected with the rotating turret to rotate on third ladder and the fourth ladder, be equipped with on the rotating turret rather than fixed connection's rail guard. The telescopic ladder is operated to realize the telescopic function of the ladder and is convenient for people to use.

Description

Novel ladder

Technical Field

The utility model relates to a life instrument field, concretely relates to novel ladder.

Background

With the continuous improvement of living standard of people, the requirements of people on substances are higher and higher. The ladder is a common life appliance in daily life of people and is mainly used for climbing. However, the existing ladder, whether a straight ladder or a herringbone ladder, has single function and cannot meet the requirements of people. The existing herringbone ladder has the characteristics of convenient placement, relatively stable placement and the like when in use, and is popular with people. However, when people use the herringbone ladder, the people need to climb up and down to transfer the ladder, and the ladder is inconvenient to place articles, so that unnecessary troubles are brought to people.

At present, chinese patent with publication number CN205778486U discloses a multifunctional ladder, which comprises a ladder body, wherein one end of the ladder body is provided with a storage box, the other end of the ladder body is provided with a supporting anti-skid column, a step is arranged on the ladder body, a vibration damping layer is arranged below the supporting anti-skid column, and wheels are arranged at the bottom of the vibration damping layer.

The multifunctional ladder controls the wheels to move left, right, front and back through the remote controller, so that a user is prevented from climbing up and down to carry the ladder, and the labor capacity of the user is reduced; the vibration damping layer on the multifunctional ladder can weaken jolt of a user when the user passes through uneven ground; the multifunctional herringbone ladder can be disassembled into a straight ladder, so that a user can use the ladder conveniently in different environments; be provided with skid proof block on this multifunctional ladder's the step, the frictional force of increase step, but the length of ladder has the length to have the short, when using to the ladder, because the length of ladder is not enough, can only trade longer ladder and use, so not only inconvenient people's use need make the ladder of different length in addition, resource-wasting.

Disclosure of Invention

The utility model aims at providing a novel ladder, it has can stretch out and draw back and make things convenient for the advantage that people used.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel ladder comprises a ladder body, the ladder body comprises a first ladder and a second ladder, a telescopic mechanism which is in sliding connection with the first ladder and the second ladder is arranged between the first ladder and the second ladder, the telescopic mechanism comprises a third ladder which is in sliding connection with the first ladder and a fourth ladder which is in sliding connection with the second ladder, a first support rod which is in rotating connection with the third ladder is arranged between the third ladder and the fourth ladder, one end of the first support rod is in sliding connection with the fourth ladder, a second support rod and a third support rod which are in rotating connection with the first ladder and the second ladder are respectively arranged on the first ladder and the second ladder, the second support rod and the third support rod are respectively in rotating connection, locking mechanisms which are used for respectively locking the third ladder and the fourth ladder on the first ladder and the second ladder are respectively arranged on the third ladder and the fourth ladder, and the locking mechanisms on the third ladder and the fourth ladder are the same in structure, the third ladder and the fourth ladder are provided with rotating frames which are rotatably connected with the third ladder, and the rotating frames are provided with guard rails which are fixedly connected with the rotating frames and used for protecting people.

Through adopting above-mentioned technical scheme, when people need stretch out and draw back the ladder, through pulling third ladder and the fourth ladder of sliding connection on first ladder and second ladder, third ladder and fourth ladder motion are driving the rotating turret motion rather than rotating the connection, the rotating turret is driving rather than fixed connection's rail guard and is moving, locking mechanism through on third ladder and the fourth ladder locks third ladder and fourth ladder on first ladder and second ladder, carry on spacingly with this third ladder and fourth ladder, the realization is flexible the ladder. Can protect people through the rail guard, prevent that people from falling from the ladder eminence. Can play fine supporting role to third ladder and fourth ladder through first bracing piece, can play the supporting role to first ladder and second ladder through second bracing piece and second bracing piece simultaneously.

Further setting: locking mechanism is including rotating first pinch-off blades and the second pinch-off blades of connection on third ladder and fourth ladder both sides, first pinch-off blades is detachable with the second pinch-off blades, be equipped with first threaded rod and second threaded rod rather than threaded connection on first pinch-off blades and the second pinch-off blades respectively, be equipped with a plurality of rather than parallel connection's screw hole on first ladder and the second ladder, first threaded rod does not rotate with second threaded rod wind and connects in the screw hole for lock third ladder and fourth ladder respectively on first ladder and second ladder. One side of the third ladder and one side of the fourth ladder facing the ground are provided with a first clamping plate and a second clamping plate which are fixedly connected with the third ladder, the first clamping plate and the second clamping plate are respectively provided with a first sliding plate and a second sliding plate which are connected with the first clamping plate and the second clamping plate in a sliding mode, the first ladder and the second ladder are provided with a plurality of sliding grooves which are connected with the first clamping plate and the second clamping plate in parallel, and the sliding grooves are respectively matched with the first sliding plate and the second sliding plate.

Through adopting above-mentioned technical scheme, can lock first clamp plate and second clamp plate on the both sides of third ladder and fourth ladder through screwing up first threaded rod and second threaded rod, screw hole on first ladder and second ladder of first threaded rod and second threaded rod threaded connection simultaneously locks third ladder and fourth ladder on first ladder and second ladder. The first sliding plate and the second sliding plate are pressed to slide on the first clamping plate and the second clamping plate, and the first sliding plate and the second sliding plate are respectively matched with the sliding grooves in the first ladder and the second ladder, so that the third ladder and the fourth ladder are secondarily locked on the first ladder and the second ladder.

Further setting: one side of the third ladder and one side of the fourth ladder are respectively provided with a supporting plate fixedly connected with the third ladder, and the supporting plates are provided with universal wheels fixedly connected with the supporting plates, so that people can transport the ladders conveniently.

Through adopting above-mentioned technical scheme, can be convenient for people through the universal wheel to the transportation of third ladder and fourth ladder, make things convenient for people's use.

Further setting: the first ladder and the second ladder are respectively provided with a first accommodating groove and a second accommodating groove which are connected with the first ladder in parallel, the first accommodating groove and the second accommodating groove are respectively internally provided with a first clothes hanger and a second clothes hanger which are rotatably connected with the first accommodating groove and the second accommodating groove, the first clothes hanger and the second clothes hanger are respectively provided with a first connecting rod and a second connecting rod which are rotatably connected with the first clothes hanger and the second clothes hanger, and the first connecting rod and the second connecting rod are respectively connected in the first accommodating groove and the second accommodating groove in a sliding manner. The first accommodating groove and the second accommodating groove are respectively provided with a third accommodating groove and a fourth accommodating groove which are connected with the first accommodating groove and the second accommodating groove in parallel, the third accommodating groove and the fourth accommodating groove are respectively matched with the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod are respectively provided with a locking block fixedly connected with the first connecting rod and the second connecting rod, and one side of the first accommodating groove and one side of the second accommodating groove are provided with locking grooves matched with the locking blocks and used for limiting the first connecting rod and the second connecting rod. One side of the first clothes hanger and one side of the second clothes hanger are respectively provided with a first sliding column and a second sliding column which are in sliding connection with the first clothes hanger and the second clothes hanger, and the first sliding column and the second sliding column are respectively provided with a sliding rod which is fixedly connected with the first sliding column and the second sliding column and used for airing clothes.

Through adopting above-mentioned technical scheme, accomodate the groove through first and second and can play fine storage effect to first clothes hanger and the second clothes hanger that dries in the air, can play the effect of support to first clothes hanger and the second clothes hanger that dries in the air through first connecting rod and second connecting rod, accomodate the third in the groove through first and second and accomodate the groove and can play fine storage effect to head rod and second connecting rod with the fourth through first. Through the locking blocks on the first connecting rod and the second connecting rod and the locking grooves on the first accommodating groove and the second accommodating groove, the first connecting rod and the second connecting rod can be well limited, and the first clothes hanger and the second clothes hanger are supported at the same time. The first sliding column and the second sliding column can be driven to slide on the first clothes hanger and the second clothes hanger by pulling the sliding rod, and the range of using the clothes hangers is enlarged.

Further setting: a first rotating rod and a second rotating rod which are rotatably connected with the protective guard are respectively arranged on one side of the protective guard, a rotating plate which is rotatably connected with the first rotating rod is arranged between the first rotating rod and the second rotating rod, the rotating plate is rotatably connected with the protective guard, a handrail which is fixedly connected with the protective guard is arranged on the other side of the protective guard and is used for being convenient for people to support, and a safety belt which is fixedly connected with the handrail is arranged on the handrail and is used for protecting people. And one side of the rotating frame, which faces the ground, is provided with a telescopic rod fixedly connected with the rotating frame and used for pushing the rotating frame.

Through adopting above-mentioned technical scheme, can support the rotor plate through first dwang and second dwang, utilize the rotor plate to make people sit and have a rest on the rotor plate at eminence during operation. Utilize the handrail can play fine guard action to people, the safety belt can prevent that people from dropping from the ladder simultaneously. The telescopic rod can be used for facilitating the pushing of people to the rotating frame, and the third ladder and the fourth ladder are driven to slide on the first ladder and the second ladder.

To sum up, the utility model discloses following beneficial effect has: people can slide on first ladder and second ladder through drive third ladder and fourth ladder and drive the rail guard on rotating turret and the rotating turret and move, locking third ladder and fourth ladder respectively on first ladder and second ladder through locking mechanism to this realizes the flexible of ladder, is convenient for people to use the ladder of different length. Through first sliding plate and the second sliding plate of sliding connection on first chucking board and second chucking board to and a plurality of sliding tray on first ladder and the second ladder, can play fine limiting displacement to the locking of third ladder and fourth ladder secondary on first ladder and second ladder.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of a novel ladder construction;

FIG. 2 is a schematic structural view of a telescopic mechanism in the novel ladder;

FIG. 3 is a schematic structural view of a first clothes hanger and a second clothes hanger in the novel ladder;

FIG. 4 is a schematic view of the A-side structure of the novel ladder;

fig. 5 is a schematic diagram of a guard rail structure in the novel ladder.

In the figure, 1, a ladder body; 101. a first ladder; 12. a second ladder; 13. a third ladder; 14. a fourth ladder; 15. a first support bar; 16. a second support bar; 17. a third support bar; 18. a first clamping plate; 19. a second clamping plate; 110. a first threaded rod; 111. a second threaded rod; 112. a threaded hole; 113. a telescopic rod; 114. a sliding groove; 115. a first receiving groove; 1151. a first laundry rack; 1152. a second laundry rack; 1153. a connecting rod; 1154. a first sliding column; 1155. a second sliding column; 1156. a slide bar; 1157. a first connecting rod; 11571. a locking block; 11572. a locking groove; 1158. a second connecting rod; 1159. a third receiving groove; 1160. a fourth receiving groove; 116. a second receiving groove; 2. A rotating frame; 3. protecting the fence; 31. a first rotating lever; 32. a second rotating lever; 33. a rotating plate; 4. a handrail; 5. a seat belt; 6. a support plate; 7. a universal wheel; 8. a first chucking plate; 9. a second chucking plate; 10. a first sliding plate; 11. A second sliding plate.

Detailed Description

The following describes the embodiments of the present invention with reference to the accompanying drawings.

The utility model adopts the technical proposal that:

a novel ladder comprises a ladder body 1, as shown in figure 1 and figure 2, the ladder body 1 comprises a first ladder 101 and a second ladder 12, a telescopic mechanism which is connected with the first ladder 101 and the second ladder 12 in a sliding way is arranged between the first ladder 101 and the second ladder 12, the telescopic mechanism comprises a third ladder 13 which is connected with the upper end of the right side of the first ladder 101 in a sliding way and a fourth ladder 14 which is connected with the upper end of the left side of the second ladder 12 in a sliding way, a first support rod 15 which is connected with the third ladder 13 in a rotating way is arranged between the front side and the rear side of the third ladder 13 and the fourth ladder 14, the left end of the first support rod 15 is connected with the third ladder 13 in a rotating way, the right end of the first support rod 15 is connected with the fourth ladder 14 in a sliding way, a second support rod 16 and a third support rod 17 which are connected with the first ladder 101 and the second ladder 12 in a rotating way are respectively arranged on the front side and the rear side of the lower ends of, the right end of the third support rod 17 is rotatably connected to the second ladder 12, the right end of the second support rod 16 is rotatably connected to the left end of the third support rod 17, locking mechanisms for respectively locking the third ladder 13 and the fourth ladder 14 to the first ladder 101 and the second ladder 12 are respectively arranged on the third ladder 13 and the fourth ladder 14, and the locking mechanisms on the third ladder 13 and the fourth ladder 14 are identical in structure.

As shown in fig. 1, 2 and 5, the locking mechanism includes a first clamping plate 18 and a second clamping plate 19 rotatably connected to the front side and the rear side of the third ladder 13 and the fourth ladder 14, the first clamping plate 18 and the second clamping plate 19 are detachable, the first clamping plate 18 and the second clamping plate 19 are respectively provided with a first threaded rod 110 and a second threaded rod 111 connected to the first clamping plate and the second clamping plate in a threaded manner, the first ladder 101 and the second ladder 12 are provided with a plurality of threaded holes 112 connected to the first ladder 101 and the second ladder 12 in parallel, the threaded holes 112 are sequentially and horizontally arranged from bottom to top, and the first threaded rod 110 and the second threaded rod 111 are respectively rotatably connected to the threaded holes 112 for respectively locking the third ladder 13 and the fourth ladder 14 to the first ladder 101 and the second ladder 12. The third ladder 13 and the fourth ladder 14 are provided with a rotating frame 2 which is rotatably connected with the third ladder, and the rotating frame 2 is provided with a protective fence 3 which is fixedly connected with the rotating frame and used for protecting people. One side of the rotating frame 2 facing the ground is provided with a telescopic rod 113 fixedly connected with the rotating frame for pushing the rotating frame 2, the right side of the protective guard 3 is respectively provided with a first rotating rod 31 and a second rotating rod 32 rotatably connected with the protective guard, a rotating plate 33 rotatably connected with the first rotating rod 31 and the second rotating rod 32 is arranged between the first rotating rod 31 and the second rotating rod 32, the rotating plate 33 is rotatably connected with the right side of the protective guard 3, the left side of the protective guard 3 is provided with a handrail 4 fixedly connected with the handrail 4 for supporting people, and the handrail 4 is provided with a safety belt 5 fixedly connected with the handrail 4 for protecting people.

As shown in fig. 1 and 2, a support plate 6 fixedly connected with the support plate 6 is respectively arranged on the right side of the third ladder 13 and the left side of the fourth ladder 14, universal wheels 7 fixedly connected with the support plate 6 are arranged on the support plate 6 and used for facilitating transportation of people to the ladders, a first clamping plate 8 and a second clamping plate 9 fixedly connected with the third ladder 13 and the fourth ladder 14 are respectively arranged on one sides of the third ladder 13 and the fourth ladder 14 facing the ground, a first sliding plate 10 and a second sliding plate 11 slidably connected with the first clamping plate 8 and the second clamping plate 9 are respectively arranged on the right side of the first clamping plate 8 and the left side of the second clamping plate 9, a plurality of sliding grooves 114 connected with the first clamping plate 8 and the second clamping plate 12 in parallel are arranged on the right side of the first ladder 101 and the left side of the second ladder 12, the sliding grooves 114 are sequentially and horizontally arranged from bottom to top, and.

As shown in fig. 2, 3 and 4, a first accommodating groove 115 and a second accommodating groove 116 connected in parallel to the left side of the first ladder 101 and the right side of the second ladder 12 are respectively provided, a first laundry rack 1151 and a second laundry rack 1152 rotatably connected to the first accommodating groove 115 and the second accommodating groove 116 are respectively provided in the first accommodating groove 115 and the second accommodating groove 116, a connecting rod 1153 fixedly connected to the first laundry rack 1151 and the second laundry rack 1152 is provided between the left ends of the first laundry rack 1151 and the second laundry rack 1152, a first sliding column 1154 and a second sliding column 1155 slidably connected to the first laundry rack 1151 and the second laundry rack 1152 are respectively provided on the front side thereof, a sliding rod 1156 fixedly connected to the first sliding column 1154 and the second sliding column 1155 is provided for drying clothes, a first connecting rod 1157 and a second connecting rod 1158 rotatably connected to the first laundry rack 1151 and the second laundry rack 1152 are respectively provided on the first drying rack 1157 and the second connecting rod 1158, and the second connecting rod 1158 are respectively slidably connected to the first connecting rod 115115 and the second accommodating groove 116, the first accommodating groove 115 and the second accommodating groove 116 are respectively provided therein with a third accommodating groove 1159 and a fourth accommodating groove 1160 which are connected in parallel therewith, the third accommodating groove 1159 and the fourth accommodating groove 1160 are respectively adapted to the first connecting rod 1157 and the second connecting rod 1158, the rear side of the first connecting rod 1157 and the front side of the second connecting rod 1158 are respectively provided with a locking block 11571 fixedly connected thereto, and the rear side of the first accommodating groove 115 and the front side of the second accommodating groove 116 are respectively provided with a locking groove 11572 adapted to the locking block 11571, for limiting the first connecting rod 1157 and the second connecting rod 1158.

The working principle is as follows:

when people need to extend and retract the ladder, the rotating frame 2 is driven to move by pushing the telescopic rod 113, the third ladder 13 and the fourth ladder 14 are respectively connected with the rotating frame 2 in a rotating way, the first ladder 101 and the second ladder 12 are connected on the third ladder 13 and the fourth ladder 14 in a sliding way, so the third ladder 13 and the fourth ladder 14 are driven to slide on the first ladder 101 and the second ladder 12, the rotating frame 2 moves to drive the guard rail 3 fixedly connected with the rotating frame to move, the first clamping plate 18 and the second clamping plate 19 which are connected on the third ladder 13 and the fourth ladder 14 in a rotating way are locked on the threaded holes 112 on the first ladder 101 and the second ladder 12 by screwing the first threaded rod 110 and the second threaded rod 111, so as to lock the ladder, and simultaneously, the first sliding plate 10 and the second sliding plate 11 which are connected on the first clamping plate 8 and the second clamping plate 9 in a sliding way are pushed, the first sliding plate 10 and the second sliding plate 11 are pushed into the sliding grooves 114 on the first ladder 101 and the second ladder 12, and the third ladder 13 and the fourth ladder 14 are locked on the first ladder 101 and the second ladder 12 for the second time, so that the extension and contraction of the ladders are realized, and people can use ladders with different lengths conveniently.

The above is the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the simple modifications, equivalent changes and modifications made by the technical entity of the present invention to the above embodiments all belong to the scope of the technical solution of the present invention.

Claims

1. A novel ladder comprises a ladder body (1) and is characterized in that: the ladder comprises a ladder body (1) and is characterized in that the ladder body (1) comprises a first ladder (101) and a second ladder (12), a telescopic mechanism which is connected with the first ladder (101) in a sliding mode is arranged between the first ladder (101) and the second ladder (12), the telescopic mechanism comprises a third ladder (13) which is connected with the first ladder (101) in a sliding mode and a fourth ladder (14) which is connected with the second ladder (12) in a sliding mode, a first supporting rod (15) which is connected with the third ladder (13) in a rotating mode is arranged between the third ladder (13) and the fourth ladder (14), one end of the first supporting rod (15) is connected onto the fourth ladder (14) in a sliding mode, a second supporting rod (16) and a third supporting rod (17) which are connected with the first ladder (101) and the second ladder (12) in a rotating mode are respectively arranged, the second supporting rod (16) and the third supporting rod (17) are connected with the third supporting rod (17) in a rotating mode, and the third ladder (13) and the fourth ladder (14) are respectively arranged on the first ladder (13) and (101) the locking mechanism on the second ladder (12) and the locking mechanism on the third ladder (13) and the fourth ladder (14) are identical in structure, a rotating frame (2) rotatably connected with the third ladder (13) and the fourth ladder (14) is arranged on the third ladder (13) and the fourth ladder (14), and a protective fence (3) fixedly connected with the rotating frame (2) is arranged on the rotating frame and used for protecting people.

2. A novel ladder as set forth in claim 1 wherein: the locking mechanism comprises a first clamping plate (18) and a second clamping plate (19) which are rotatably connected to two sides of a third ladder (13) and a fourth ladder (14), the first clamping plate (18) and the second clamping plate (19) are detachable, a first threaded rod (110) and a second threaded rod (111) which are in threaded connection with the first clamping plate (18) and the second clamping plate (19) are respectively arranged on the first clamping plate (18) and the second clamping plate (19), a plurality of threaded holes (112) which are in parallel connection with the first clamping plate (101) and the second clamping plate (12) are arranged on the first ladder (101) and the second ladder (12), and the first threaded rod (110) and the second threaded rod (111) are respectively rotatably connected in the threaded holes (112) for respectively locking the third ladder (13) and the fourth ladder (14) on the first ladder (101) and the second ladder (12).

3. A novel ladder as set forth in claim 1 wherein: one side of the third ladder (13) and one side of the fourth ladder (14) facing the ground are provided with a first clamping plate (8) and a second clamping plate (9) which are fixedly connected with the third ladder, the first clamping plate (8) and the second clamping plate (9) are respectively provided with a first sliding plate (10) and a second sliding plate (11) which are connected with the first clamping plate and the second clamping plate in a sliding mode, the first ladder (101) and the second ladder (12) are provided with a plurality of sliding grooves (114) which are connected with the first ladder in parallel, and the sliding grooves (114) are respectively matched with the first sliding plate (10) and the second sliding plate (11).

4. A novel ladder as set forth in claim 1 wherein: and one side of each of the third ladder (13) and the fourth ladder (14) is respectively provided with a supporting plate (6) fixedly connected with the third ladder, and the supporting plate (6) is provided with universal wheels (7) fixedly connected with the supporting plate, so that people can transport the ladders conveniently.

5. A novel ladder as set forth in claim 1 wherein: the first ladder (101) and the second ladder (12) are respectively provided with a first accommodating groove (115) and a second accommodating groove (116) which are connected in parallel, a first clothes drying rack (1151) and a second clothes drying rack (1152) which are rotatably connected with the first accommodating groove (115) and the second accommodating groove (116) are respectively arranged in the first accommodating groove (115) and the second accommodating groove (116), a first connecting rod (1157) and a second connecting rod (1158) which are rotatably connected with the first clothes drying rack (1151) and the second clothes drying rack (1152) are respectively arranged on the first clothes drying rack (1151) and the second clothes drying rack (1152), and the first connecting rod (1157) and the second connecting rod (1158) are respectively connected in the first accommodating groove (115) and the second accommodating groove (116) in a sliding mode.

6. A novel ladder as claimed in claim 5, wherein: the first accommodating groove (115) and the second accommodating groove (116) are internally provided with a third accommodating groove (1159) and a fourth accommodating groove (1160) which are connected with the first accommodating groove and the second accommodating groove in parallel respectively, the third accommodating groove (1159) and the fourth accommodating groove (1160) are respectively matched with the first connecting rod (1157) and the second connecting rod (1158), the first connecting rod (1157) and the second connecting rod (1158) are respectively provided with a locking block (11571) fixedly connected with the first connecting rod and the second connecting rod, one side of the first accommodating groove (115) and one side of the second accommodating groove (116) are provided with a locking groove (11572) matched with the locking block (11571), and the first accommodating groove (115) and the second accommodating groove (116) are used for limiting the first connecting rod (1157) and the second connecting rod (1158).

7. A novel ladder as claimed in claim 5, wherein: one side of each of the first clothes hanger (1151) and the second clothes hanger (1152) is provided with a first sliding column (1154) and a second sliding column (1155) which are connected with the first sliding column in a sliding mode, and the first sliding column (1154) and the second sliding column (1155) are provided with sliding rods (1156) which are fixedly connected with the first sliding column (1154) and the second sliding column (1155) and used for airing clothes.

8. A novel ladder as set forth in claim 1 wherein: be equipped with respectively on one side of rail guard (3) rather than rotating first dwang (31) and second dwang (32) of being connected, be equipped with between first dwang (31) and second dwang (32) rather than rotating the rotor plate (33) of being connected, and rotor plate (33) rotate to be connected on rail guard (3), be equipped with on the opposite side of rail guard (3) rather than fixed connection's handrail (4) for be convenient for people's support, be equipped with on handrail (4) rather than fixed connection's safety belt (5), be used for the protection to people.

9. A novel ladder as set forth in claim 1 wherein: and one side of the rotating frame (2) facing the ground is provided with a telescopic rod (113) fixedly connected with the rotating frame for pushing the rotating frame (2).