CN221498229U - Upstairs and downstairs supporting swing arm of stepping cat ladder - Google Patents

Abstract

The utility model discloses a stair climbing machine upstairs and downstairs supporting swing arm which comprises a supporting mechanism, a roller mechanism, a swing arm and a hinge mechanism, wherein the roller mechanism is rotatably arranged on the supporting mechanism, the swing arm is connected with the supporting mechanism, and the hinge mechanism is connected with the swing arm. The utility model can be hinged on the stepping ladder machine through the hinge mechanism and driven by the external power device, so that when the stepping ladder machine performs stair climbing actions of going upstairs and downstairs on the current steps, the swing arm can swing, and the utility model extends out and is supported on the other step, thereby effectively playing a supporting role, effectively improving the supporting reliability, and as the swing arm can swing, the swing arm can support at different angles, thereby being matched with the use of different height differences and having strong flexibility.

Description

Upstairs and downstairs supporting swing arm of stepping cat ladder

Technical Field

The utility model relates to the field of mechanical design, in particular to a supporting swing arm for a stepping cat ladder to go upstairs and downstairs.

Background

The carrying of heavy objects between floors is often dependent on the use of a step ladder. The step ladder climbing machine, also called step stair climbing machine, can load the heavy object to can remove between adjacent ladder, with this realization upstairs and downstairs, step ladder climbing machine can replace and only rely on the manual work to carry the heavy object upstairs and downstairs, uses manpower sparingly, work efficiency is high.

The existing step ladder climbing machine is insufficient in stability and easy to topple when performing step crawling action, and even if a supporting structure is correspondingly arranged, the actual step height difference is different, and the supporting structure on the step ladder climbing machine cannot be used in different height differences, so that the use flexibility and the reliability are poor.

Disclosure of utility model

The utility model aims to provide a step ladder climbing machine upstairs and downstairs supporting swing arm, which can solve one or more of the problems.

According to one aspect of the utility model, a stair climbing machine upstairs and downstairs supporting swing arm is provided, and the stair climbing machine comprises a supporting mechanism, a roller mechanism, a swing arm and a hinge mechanism, wherein the roller mechanism is rotatably installed on the supporting mechanism, the swing arm is connected with the supporting mechanism, and the hinge mechanism is connected with the swing arm.

The beneficial effects of the utility model are as follows: the utility model can be hinged on the stepping ladder machine through the hinge mechanism and driven by an external power device, so that when the stepping ladder machine performs the step crawling action of going upstairs and downstairs on the current step, the swing arm can swing, the utility model extends out and is supported on the other step, thereby effectively playing a supporting role, effectively improving the supporting reliability, and as the swing arm can swing, the swing arm can support at different angles, thereby matching the use of different height differences, the flexibility is strong, in addition, when the stepping ladder machine performs the step crawling action, the utility model can swing timely to change the setting angle to better match, and the utility model can be prevented from being in excessive contact with the step and not effectively moving due to the arrangement of the roller mechanism.

In some embodiments, the support mechanism comprises a first plate, a second plate, a connecting block, a side cover and a bottom cover, one side of the connecting block is connected with the first plate, the other side is connected with the second plate, one side of the first plate and one side of the second plate are both connected with the side cover, and the bottom of the first plate and the bottom of the second plate are both connected with the bottom cover.

In some embodiments, the roller mechanism includes a unit roller mechanism including a first roller, a second roller, and a shaft passing through the first plate and the second plate, the first roller and the second roller being both mounted on the shaft and disposed separately on both sides of the support mechanism.

In some embodiments, the unit roller mechanisms are a plurality of, and the unit roller mechanisms are all arranged on the supporting mechanism. The number of the unit roller mechanisms is multiple, so that the stability of the utility model when the utility model slides on the step surface can be improved.

In some embodiments, the utility model further comprises an auxiliary wheel rotatably mounted on the support mechanism. The auxiliary wheel can enable the utility model to contact with the step surface under certain swinging angles, so that the contact between the utility model and the step surface is ensured.

In some embodiments, the hinge mechanism includes a first shaft, a first set of blocks and a base, the base is connected with the swing arm, the first set of blocks is a plurality of, a plurality of the first set of blocks are all fixedly connected to the base, and the first shaft passes through all the first set of blocks and is fixed to the first set of blocks. The outer structure can be hinged to the utility model by being connected to the first shaft.

In some embodiments, the hinge mechanism includes a second shaft and a second set of blocks, the second set of blocks being a plurality of, a plurality of the second set of blocks being fixedly connected to the base, the second shaft passing through all of the first set of blocks and the second set of blocks and being fixed to the first set of blocks and the second set of blocks. The outer structure can be hinged to the utility model by being connected to the first and second shafts.

Drawings

Fig. 1 is a schematic structural view of a supporting swing arm for a step ladder machine to go upstairs and downstairs according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a supporting swing arm for a step ladder machine to go upstairs and downstairs according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a unit roller mechanism of a swing arm for supporting a step ladder machine upstairs and downstairs according to an embodiment of the present utility model.

In the figure: 1. support mechanism, 2. Roller mechanism, 3. Swing arm, 4. Hinge mechanism, 5. Auxiliary wheel, 11. First plate, 12. Second plate, 13. Connecting block, 14. Side cover, 15. Bottom cover, 21. Unit roller mechanism, 211. First roller, 212. Second roller, 213. Connecting shaft, 41. First shaft, 42. First set of block, 43. Base, 44. Second shaft, 45. Second set of block.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, the utility model relates to a step-by-step stair climbing machine upstairs and downstairs supporting swing arm, which comprises a supporting mechanism 1, a roller mechanism 2, a swing arm 3 and a hinging mechanism 4.

The supporting mechanism 1 comprises a first plate 11, a second plate 12, a connecting block 13, a side cover 14 and a bottom cover 15, one side of the connecting block 13 is fixedly connected with the first plate 11 through bolts, the other side of the connecting block 13 is fixedly connected with the second plate 12 through bolts, one side of the first plate 11 and one side of the second plate 12 are fixedly connected with the side cover 14 through bolts, the bottoms of the first plate 11 and the second plate 12 are fixedly connected with the bottom cover 15 through bolts, and the arranged first plate 11, second plate 12, connecting block 13, side cover 14 and bottom cover 15 jointly enclose a structure similar to a right triangular prism, so that the stability is strong.

The roller mechanism 2 includes a unit roller mechanism 21, and the unit roller mechanism 21 includes a first roller 211, a second roller 212, and a connecting shaft 213. The connecting shaft 213 passes through the first plate 11 and the second plate 12, so that the first plate 11 and the second plate 12 are fixedly sleeved on the connecting shaft 213, the first roller 211 and the second roller 212 are respectively installed on two ends of the connecting shaft 213 through bearings, and the first roller 211 and the second roller 212 are respectively arranged on two sides of the supporting mechanism 1.

The number of the unit roller mechanisms 21 can be plural, in this embodiment, the number of the unit roller mechanisms 21 is preferably two, both the unit roller mechanisms 21 are rotatably disposed on the supporting mechanism 1, and the two unit roller mechanisms 21 are disposed in parallel.

The stair climbing machine upstairs and downstairs supporting swing arm further comprises an auxiliary wheel 5, a connecting shaft is connected between the first plate 11 and the second plate 12, and the auxiliary wheel 5 is installed on the connecting shaft through a bearing, so that the auxiliary wheel 5 is rotatably installed on the supporting mechanism 1.

One end of the swing arm 3 extends into a triangular prism structure surrounded by the first plate 11, the second plate 12 and the connecting block 13, one side of the end of the swing arm 3 is fixedly connected with the first plate 11 through bolts, and the other side of the end of the swing arm 3 is fixedly connected with the second plate 12 through bolts, so that the swing arm 3 is connected with the supporting mechanism 1.

The hinge mechanism 4 includes a first shaft 41, a first set of blocks 42 and a base 43. The base 41 is fixedly connected with the other end of the swing arm 3 through welding, and the number of the first set of blocks 42 can be multiple, in this embodiment, the number of the first set of blocks 42 is preferably two, the two first set of blocks 42 are fixedly connected with the base 43 through welding and are positioned in the middle of the base 43, and the first shaft 41 penetrates through all the first set of blocks 42 and is fixed on the first set of blocks 42 through bolts.

The hinge mechanism 4 further comprises a second shaft 44 and a second set of blocks 45. The number of the second sleeve blocks 45 can be multiple, in this embodiment, the number of the second sleeve blocks 45 is preferably two, the two second sleeve blocks 45 are fixedly connected to the base 43 through welding, the two second sleeve blocks 45 are respectively arranged at two sides of the two first sleeve blocks 42, the second shaft 44 passes through all the first sleeve blocks 42 and the second sleeve blocks 45 and is fixed on the first sleeve blocks 42 and the second sleeve blocks 45 through bolts, and the first shaft 41 and the second shaft 44 are arranged in parallel.

When the utility model is used, the hinging mechanism 4 can be connected with the stepping ladder machine, specifically, the first shaft 41 and the second shaft 44 can pass through the fixed support on the stepping ladder machine, and a second sleeve block 45 can be provided with a bulge, and the bulge can be connected with an external power device through a transmission device such as a connecting rod, so that the swinging arm 3 connected with the hinging mechanism 4 can swing on the stepping ladder machine under the drive of the external power device.

When the stepping ladder machine performs stair climbing actions of going upstairs and downstairs on the current steps, the swing arm 3 can swing and swing out by virtue of the driving of the external power device, and the swing angle of the swing arm 3 can be matched with the height difference of the steps, so that the unit roller mechanism 21 or the auxiliary wheel 5 on the stepping ladder machine can be abutted against the surface of the other step, the stepping ladder machine can be supported, the working reliability of the stepping ladder machine is effectively ensured, in addition, the external power device can correspondingly swing the swing arm 3 along with the step climbing actions of the stepping ladder machine, and the first roller 211 and the second roller 212 or the auxiliary wheel 5 of the roller mechanism 2 can relatively slide at the moment so as to change the position of the stepping ladder machine to be matched with the actions of the stepping ladder machine.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (7)

1. The stair climbing machine upstairs and downstairs supporting swing arm is characterized by comprising a supporting mechanism, a roller mechanism, a swing arm and a hinge mechanism, wherein the roller mechanism is rotatably installed on the supporting mechanism, the swing arm is connected with the supporting mechanism, and the hinge mechanism is connected with the swing arm.

2. The stair climbing machine up-down building supporting swing arm according to claim 1, wherein the supporting mechanism comprises a first plate, a second plate, a connecting block, a side cover and a bottom cover, one side of the connecting block is connected with the first plate, the other side is connected with the second plate, one side of the first plate and one side of the second plate are connected with the side cover, and the bottom of the first plate and the bottom of the second plate are connected with the bottom cover.

3. The stair climbing machine stair climbing support swing arm according to claim 2, wherein the roller mechanism comprises a unit roller mechanism, the unit roller mechanism comprises a first roller, a second roller and a connecting shaft, the connecting shaft penetrates through the first plate and the second plate, and the first roller and the second roller are mounted on the connecting shaft and are arranged on two sides of the support mechanism respectively.

4. The stair climbing machine upstairs and downstairs supporting swing arm according to claim 3, wherein the unit roller mechanisms are a plurality of, and a plurality of the unit roller mechanisms are all arranged on the supporting mechanism.

5. The stair climbing machine stair climbing support swing arm according to claim 1, including an auxiliary wheel rotatably mounted on the support mechanism.

6. The stair climbing machine up-down building supporting swing arm according to claim 1, wherein the hinge mechanism comprises a first shaft, a first set of blocks and a base, the base is connected with the swing arm, the first set of blocks is a plurality of, the first set of blocks are fixedly connected to the base, and the first shaft penetrates through all the first set of blocks and is fixed to the first set of blocks.

7. The stair climbing machine stair climbing support swing arm according to claim 6, wherein the hinge mechanism includes a second shaft and a second set of blocks, the second set of blocks is a plurality of, the second set of blocks are each fixedly connected to the base, and the second shaft passes through all of the first set of blocks and the second set of blocks and is fixed to the first set of blocks and the second set of blocks.