CN214403403U - Cat ladder subassembly and walk a cat ladder assembly - Google Patents

Abstract

The utility model provides a cat ladder subassembly and walk a cat ladder assembly, this cat ladder subassembly include cat ladder, rack and support frame, the cat ladder connect in the support frame, just the cat ladder can rotate around first direction and second direction respectively, wherein, first direction perpendicular to the second direction, the rack with the support frame interval sets up, the cat ladder can bear in on the rack. The utility model provides an among cat ladder subassembly and walking platform cat ladder assembly, because the cat ladder can be rotated around first direction and second direction respectively, can expand when using, draw in when accomodating, convenient to use does not account for the space, and can avoid being damaged such as falling rocks.

Description

Cat ladder subassembly and walk a cat ladder assembly

Technical Field

The utility model relates to an engineering machine tool equipment technical field especially relates to a cat ladder subassembly and walk a cat ladder assembly.

Background

Various engineering machines such as excavators and crushers play an important role in modern engineering construction, and are widely applied to the fields of national defense construction engineering, traffic transportation construction, energy industry construction and production, raw material industry construction and production of mines and the like, agriculture and forestry water conservancy construction, industrial and civil construction, urban construction, environmental protection and the like.

Because the general environment of the workplace where the engineering machinery is located is bad, the engineering machinery breaks down very often, and workers need to climb on the equipment for maintenance and repair. However, some cat ladders that do not supply the staff to climb on present engineering machine tool, some cat ladders direct mount are in engineering machine tool's side, are pounded bad by falling rocks etc. easily, and can't accomodate, and occupation space collides with easily.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can accomodate, do not account for the cat ladder subassembly in space and walk a cat ladder assembly.

The utility model provides a cat ladder subassembly, including cat ladder, rack and support frame, the cat ladder connect in the support frame, just the cat ladder can rotate around first direction and second direction respectively, wherein, the first direction perpendicular to the second direction, the rack with the support frame interval sets up, the cat ladder can bear in on the rack.

In one embodiment, the ladder comprises a ladder frame and a plurality of pedals, the pedals are connected to the ladder frame at intervals along the longitudinal direction of the ladder frame, and each pedal is hinged to the ladder frame.

In one embodiment, the ladder stand further comprises handrails, and each of the footrests is further hinged to the handrail.

In one embodiment, the ladder frame comprises two longitudinal rods, the two longitudinal rods are arranged at intervals, the handrail comprises two longitudinal beams arranged at intervals, two sides of one end of each pedal are hinged to the two longitudinal rods of the ladder frame respectively, and two sides of the other end of each pedal are hinged to the two longitudinal beams respectively.

In one embodiment, the ladder stand further comprises a mounting plate, and the ladder frame is rotatably connected to the support frame about the first direction through the mounting plate.

In one embodiment, the support frame comprises a support plate and a swivel bracket, the swivel bracket is rotatably connected to the support plate around a second direction, and the ladder stand is rotatably connected to the swivel bracket around the first direction.

In one embodiment, the supporting plate comprises a first plate and a second plate which are perpendicular to each other, the swivel bracket is connected to the second plate, the swivel bracket comprises a main body plate, a support arranged on the main body plate, and a rotating shaft, the rotating shaft penetrates through the support and the mounting plate of the ladder stand, a bolt transversely penetrates through the tail end of the rotating shaft, and a convex column is further arranged on the main body plate and penetrates through the second plate so as to rotatably connect the swivel bracket to the supporting plate.

In one embodiment, the placing frame comprises a connecting frame and a placing plate, the placing plate is fixedly connected to the connecting frame, and the crawling ladder is borne on the placing plate or separated from the placing plate.

In one embodiment, the connecting frame comprises two connecting plates arranged at intervals, each connecting plate comprises a transverse plate and a vertical plate, the placing plate is connected to the transverse plates of the connecting plates, and the placing plate is further provided with a placing groove for placing the crawling ladder.

The utility model also provides a walk a cat ladder assembly, walk a cat ladder assembly including walking a platform and above-mentioned cat ladder subassembly, walk a platform including the top surface that supplies the walking and with the bottom surface that the top surface is relative, the cat ladder subassembly the rack with the support frame connect respectively in walk a platform the bottom surface, the first direction perpendicular to walk a platform the top surface, the second direction be on a parallel with walk a platform the top surface.

In one embodiment, the ladder stand further comprises a protection member connected to the ladder stand and the walking board, respectively.

The utility model provides an among cat ladder subassembly and walking platform cat ladder assembly, because the cat ladder can be rotated around first direction and second direction respectively, can expand when using, draw in when accomodating, convenient to use does not account for the space, and can avoid being damaged such as falling rocks.

Drawings

Fig. 1 is a schematic structural view of a ladder assembly according to an embodiment of the present invention.

Figure 2 is a schematic view of the ladder assembly of figure 1.

Fig. 3 is a schematic structural view of a placement frame of the ladder assembly shown in fig. 1.

Figure 4 is a schematic view of the support frame of the ladder assembly of figure 1.

Fig. 5 is a schematic structural view of a walking ladder assembly according to an embodiment of the present invention.

Fig. 6 is a schematic view of the use of the walking ladder assembly of fig. 5.

Fig. 7 is a schematic view of the storage state of the walking ladder assembly shown in fig. 5.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, the ladder assembly of an embodiment of the present invention includes a ladder 11, a rack 13 and a supporting frame 15. The ladder 11 is connected to the support frame 15 and the ladder 11 is rotatable about a first direction and a second direction, respectively, wherein the first direction is perpendicular to the second direction. The placing frame 13 and the supporting frame 15 are arranged at intervals, and the ladder stand 11 can be borne on the placing frame 13.

In this embodiment, referring to fig. 2, the ladder 11 includes a ladder frame 112, a plurality of steps 114, a mounting plate 116, a protector 118, and a handrail 121. The ladder stand 11 can be made of aluminum alloy materials, and is light in weight and firm in structure.

The ladder frame 112 includes two vertical rods, the two vertical rods are arranged in parallel at intervals, and one end of the vertical rod is provided with a mounting portion 1120. Of course, the two longitudinal bars may be arranged in a "splayed" shape, so that the ladder frame 112 is large at the bottom and small at the top. The two longitudinal bars are arranged in parallel, so that the size of each pedal 114 can be ensured to be consistent, and the processing and the installation are convenient. The other end of each vertical bar is provided with an anti-slip block 1122, and when the ladder stand 11 is put on the ground, the anti-slip blocks 1122 are in contact with the ground, so that the ladder stand 11 can be prevented from slipping.

A plurality of tread plates 114 are attached to the ladder frame 112 at spaced intervals along the longitudinal direction of the ladder frame 112. Specifically, a plurality of steps 114 are provided on the ladder frame 112 at regular intervals. The both sides of the one end of every footboard 114 articulate respectively in two vertical poles of cat ladder frame 112, the both sides of the other end of every footboard 114 articulate respectively in handrail 121, form a parallelogram structure so being equivalent to, when needs use the cat ladder subassembly, can rotate footboard 114 to with cat ladder frame 112, the great position of handrail 121 contained angle, the staff's climbing of being convenient for, when needs accomodate the cat ladder subassembly, can rotate footboard 114 to with cat ladder frame 112, handrail 121 contained angle is less or the position that the contained angle is 0, make cat ladder 11 sound construction when using, the climbing is convenient, do not account for the space when accomodating, it is not fragile. Specifically, both sides of one end of each step 114 are respectively hinged to two longitudinal bars of the ladder frame 112. Specifically, each step 114 is further provided with a protrusion 1142, so that the surface friction of the step 114 is increased, and the risk of slipping when a worker climbs the ladder is reduced.

The mounting plate 116 may be disposed at an end of the ladder frame 112 opposite the non-slip blocks 1122, and the ladder frame 112 may be rotatably connected to the support frame 15 via the mounting plate 116 about a first direction. Specifically, the mounting plate 116 is coupled to a side rail, and specifically to a mounting portion 1120 of the side rail. The mounting plate 116 is provided with a mounting hole 1162. It will be appreciated that the mounting plate 116 may be located elsewhere on the ladder stand 112.

The guard 118 may be provided at the end of the ladder frame 112 opposite to where the cleats 1122 are provided. Specifically, the guard 118 is coupled to the other side rail, specifically to the mounting portion 1120 of the other side rail. The end of the guard 118 remote from the ladder frame 112 is provided with a hook 1182 to facilitate attachment to other components such as a walk-board. The protection member 118 may be embodied as a chain which can be connected to the ladder 11 without restricting the rotation of the ladder 11, it being understood that the protection member 118 may also be other flexible members such as a protection rope. The guard 118 may be hung from the platform or other part of the work machine to prevent the ladder 11 from moving during use, enhancing the reliability of the ladder assembly. It will be appreciated that the protective member 118 may be omitted and the connection of the mounting plate 116 to the support frame 15 may form a support for the ladder stand 11.

The armrest 121 is connected to each step 114. Specifically, the handrail 121 includes two longitudinal beams disposed at intervals, and both sides of the other end of each step 114 are respectively hinged to the two longitudinal beams of the handrail 121. It is understood that the handrail 121 may also be provided with balustrades on only one side, i.e. the handrail 121 may comprise only one longitudinal beam. Specifically, the longitudinal beam of the handrail 121 is provided with an anti-slip sleeve 1212 at one end and a cover plate 1214 at the other end. When the ladder stand 11 is put on the ground, the anti-slip sleeve 1212 contacts the ground to prevent the ladder stand 11 from slipping. The longeron is the hollow tube, sets up apron 1214 and can prevent that the dust from falling into, also can prevent that longeron tip edge from pressing against the hand, avoids the staff injured.

In this embodiment, referring to fig. 3, the placing frame 13 includes a connecting frame 132 and a placing board 134, the connecting frame 132 is used for connecting to a walking board or other parts of the engineering machine, the placing board 134 is fixedly connected to the connecting frame 132, and the placing board 134 is used for carrying the ladder 11. Specifically, the connecting frame 132 includes two connecting plates 136 spaced apart from each other, but the number of the connecting plates 136 may be one or more than two, and is not limited herein.

Specifically, the connecting plate 136 includes a transverse plate 137 and a vertical plate 138 that are perpendicular to each other, such that the connecting plate 136 forms an L-shaped plate. The connecting plate 136 is provided with a through hole 1362, and the connecting plate 136 is connected with the walking platform or other parts of the engineering machinery through the through hole 1362. The placing plate 134 is connected to the horizontal plate 137 of the connecting plate 136, and a placing groove 1342 is further formed on the placing plate 134 to place the ladder stand 11. Specifically, two placement grooves 1342 are opened at both ends of the placement plate 134, respectively. The placing frame 13 further comprises a reinforcing plate 139 connected to the horizontal plate 137 and the vertical plate 138 of the connecting plate 136 to reinforce the strength of the placing frame 13.

In this embodiment, referring to fig. 4, the supporting frame 15 includes a supporting plate 152 and a revolving support 154, the supporting plate 152 is used for connecting with the walking board or other parts of the construction machine, the revolving support 154 is connected to the supporting plate 152 in a manner of being rotatable around the second direction, and the ladder stand 11 is connected to the revolving support 154 in a manner of being rotatable around the first direction, so that the ladder stand 11 can be rotated around the first direction and the second direction respectively. It will be appreciated that the rotation of the ladder 11 in the first and second directions may be achieved by other arrangements, for example the ladder 11 itself may be provided with a structure which enables rotation in both directions, and the ladder 11 may be fixed to the support frame 15, provided that it enables rotation in both directions.

Specifically, the support plate 152 includes a first plate 155 and a second plate 156 perpendicular to each other, the first plate 155 being used for connecting to a deck or other component of the construction machine, and the pivoting bracket 154 being connected to the second plate 156. An opening 1552 is formed in the first plate 155 to connect the support plate 152 to a walking board or other components of the construction machine. The swivel bracket 154 comprises a main body plate 157, a support 158 arranged on the main body plate 157 and a rotating shaft 159, wherein the two support 158 are arranged on the main body plate 157 at intervals, and the rotating shaft 159 penetrates through the support 158 and the connecting hole 1162 of the mounting plate 116 of the ladder stand 11 so as to rotatably connect the ladder stand 11 to the swivel bracket 154. A latch 161 extends transversely across the end of the shaft 159 to prevent the shaft 159 from being removed from the seat 158. The main body plate 157 is further provided with a boss 163, and the boss 163 passes through the second plate 156 to rotatably connect the swivel bracket 154 to the support plate 152.

Specifically, the support frame 15 further includes rib plates 165, and the rib plates 165 are connected to the first plate 155 and the second plate 156 to reinforce the strength of the support frame 15.

The utility model discloses a cat ladder subassembly because cat ladder 11 can rotate around first direction and second direction respectively, can expand when using, draws in when accomodating, and convenient to use does not account for the space, and can avoid being damaged such as falling rocks.

The utility model also provides a walk a cat ladder assembly, please refer to fig. 5, and the walk a cat ladder assembly of an embodiment is including walking a 31 and above-mentioned cat ladder subassembly. The walking board 31 includes a top surface 312 for walking and a bottom surface 314 opposite to the top surface. The rack 13 and the support frame 15 of the ladder assembly are respectively connected to the bottom surface 314 of the walking board 31 in a first direction perpendicular to the top surface 312 of the walking board 31 and in a second direction parallel to the top surface 312 of the walking board 31. By rotating the ladder 11 in the first direction, the ladder 11 can be swung under the deck 31 or to one side of the deck 31.

In this embodiment, one end of the protection member 118 is connected to the bottom of the platform 31.

When the ladder 11 is needed, referring to fig. 6, the ladder 11 can be rotated in a first direction to rotate the ladder 11 in a horizontal plane by a certain angle, and the ladder 11 can be swung to one side of the walking platform 31 from the lower part of the walking platform 31, then the ladder 11 can be rotated in a second direction to swing the ladder 11 from a position approximately parallel to the walking platform 31 to one end to be contacted with the ground, so that the ladder 11 can be inclined by a certain angle relative to the walking platform 31, finally the handrail 121 can be pulled to rotate the handrail 121 relative to the pedal 114, the pedal 114 can be rotated relative to the ladder frame 112, and the ladder 11 can be unfolded, and at this time, the included angle between the pedal 114 and the handrail 121 as well as between the ladder frame 112 is large. When the ladder 11 needs to be stored, referring to fig. 7, the handrail 121 can be pushed first, the handrail 121 can be made to rotate relative to the pedal 114, the pedal 114 can be made to rotate relative to the ladder frame 112, the ladder 11 can be folded, at this time, the included angle between the pedal 114 and the handrail 121 and the ladder frame 112 is small, then the ladder 11 can be rotated around the second direction, the ladder 11 can be rotated to the position approximately parallel to the walking platform 31 from the inclined state, finally, the ladder 11 can be rotated around the first direction, the ladder 11 can be rotated in the horizontal plane for a certain angle, and can be swung to the lower part of the walking platform 31 from one side of the walking platform 31, at this time, the ladder 11 can be completely stored under the walking platform 31, the space can not be occupied, and the risk of being damaged by falling stones and the like can also be avoided. It will be appreciated that the order of rotation in the three different directions may be reversed when adjusting the position of the ladder 11, for example by opening the ladder 11 by first rotating in the second direction, then rotating in the first direction and finally pulling the handrail 121.

The utility model provides an among the walking bench cat ladder assembly, because cat ladder 11 can rotate around first direction and second direction respectively, can expand when using, draw in when accomodating, convenient to use does not account for the space, and can avoid being damaged such as falling rocks.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate the orientation or weight relationship based on the orientation or weight relationship shown in the drawings, only for the sake of clarity and convenience of description of the technical solution, and thus, should not be construed as limiting the present invention.

As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.

As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. The ladder stand assembly is characterized by comprising a ladder stand (11), a placing frame (13) and a supporting frame (15), wherein the ladder stand (11) is connected to the supporting frame (15), the ladder stand (11) can rotate around a first direction and a second direction respectively, the first direction is perpendicular to the second direction, the placing frame (13) and the supporting frame (15) are arranged at intervals, and the ladder stand (11) can be borne on the placing frame (13).

2. A ladder assembly according to claim 1, wherein the ladder (11) comprises a ladder frame (112) and a plurality of treads (114), the plurality of treads (114) being attached to the ladder frame (112) at longitudinally spaced intervals along the ladder frame (112), each tread (114) being hingedly connected to the ladder frame (112).

3. A ladder stand assembly according to claim 2 wherein the ladder stand (11) further comprises an armrest (121), each of the steps (114) being further hingedly connected to the armrest (121).

4. A ladder assembly as claimed in claim 3, wherein the ladder frame (112) comprises two longitudinal bars spaced apart from each other, the hand rail (121) comprises two spaced apart longitudinal beams, one end of each tread (114) is hingedly connected on either side to each longitudinal bar of the ladder frame (112), and the other end of each tread (114) is hingedly connected on either side to each longitudinal beam.

5. A ladder assembly according to claim 2, characterised in that the ladder (11) further comprises a mounting plate (116), the ladder frame (112) being rotatably connected to the support frame (15) by the mounting plate (116) about the first direction.

6. A ladder assembly according to claim 5 wherein the support frame (15) comprises a support plate (152) and a slewing bracket (154), the slewing bracket (154) being rotatably connected to the support plate (152) about a second direction, and the ladder (11) being rotatably connected to the slewing bracket (154) about the first direction.

7. A ladder assembly according to claim 6 wherein the support plate (152) comprises first and second plates (155, 156) which are perpendicular to each other, the swivel bracket (154) being connected to the second plate (156), the swivel bracket (154) comprising a main plate (157), a support (158) provided on the main plate (157) and a pivot (159), the pivot (159) passing through the support (158) and the mounting plate (116) of the ladder (11), a pin (161) passing transversely through the end of the pivot (159), the main plate (157) further having a boss (163) provided thereon, the boss (163) passing through the second plate (156) to rotatably connect the swivel bracket (154) to the support plate (152).

8. A ladder assembly according to claim 1, characterised in that the rack (13) comprises a connecting frame (132) and a standing board (134), the standing board (134) being fixedly connected to the connecting frame (132), the ladder (11) being carried on the standing board (134) or being detached from the standing board (134).

9. The ladder stand assembly as claimed in claim 8, wherein the connecting frame (132) includes two connecting plates (136) spaced apart from each other, the connecting plates (136) include a transverse plate (137) and a vertical plate (138), the placing plate (134) is connected to the transverse plate (137) of the connecting plates (136), and a placing groove (1342) is formed in the placing plate (134) for placing the ladder stand (11).

10. A walking ladder assembly, characterized in that it comprises a walking board (31) and a ladder assembly according to any of claims 1-9, said walking board (31) comprising a top surface (312) for walking and a bottom surface (314) opposite to said top surface (312), said holding frame (13) and said support frame (15) of said ladder assembly being connected to said bottom surface (314) of said walking board (31), respectively, said first direction being perpendicular to said top surface (312) of said walking board (31), said second direction being parallel to said top surface (312) of said walking board (31).

11. A walking ladder assembly as claimed in claim 10 wherein the ladder (11) further comprises protective members (118), the protective members (118) being connected to the ladder (11) and the walking board (31) respectively.

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