CN217925697U - Ladder assembly, rack and engineering machinery - Google Patents
Ladder assembly, rack and engineering machinery Download PDFInfo
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- CN217925697U CN217925697U CN202221962262.2U CN202221962262U CN217925697U CN 217925697 U CN217925697 U CN 217925697U CN 202221962262 U CN202221962262 U CN 202221962262U CN 217925697 U CN217925697 U CN 217925697U
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- ladder
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Abstract
According to the ladder assembly, the rack and the engineering machinery, the ladder assembly is provided with the supporting piece, the ladder, the clamping stop piece and the connecting plate; one end of the ladder is hinged with the supporting piece, and the other end of the ladder is provided with a locking part; the clamping stop piece can be matched with the locking part; one end of the connecting plate is movably connected with the supporting piece, and the other end of the connecting plate is movably connected with the ladder; the ladder moves on the support piece to enable the clamping stop piece to be matched with the locking part, and the connecting plate is moved at the moment, so that the clamping stop piece is matched with the locking part, and the height of the locking part is increased. Through using support piece as the strong point, locking portion moves along support piece, makes stop piece and locking portion adaptation locking, through setting up the connecting plate, is that locking portion has certain position control space to make stop piece and locking portion laminating adaptation, with the stability of promotion to the ladder locking, with the efficiency of packing up of promotion to the ladder.
Description
Technical Field
The application relates to the technical field of engineering machinery, in particular to a ladder assembly, a machine frame provided with the ladder assembly and engineering machinery provided with the ladder assembly or the machine frame.
Background
At present, the ladder that engineering machine used commonly used, mostly for fixed setting on one side of engineering machine to supply operating personnel to climb and use, stability is better when the ladder is fixed to be set up on one side of engineering machine and is used, but can lead to engineering machine's volume increase. Particularly, in the field of the portal crane, the distance between the boarding ladder at the bottom and the ground is relatively short, and when the portal crane moves, the boarding ladder at the bottom can move together, so that the floor area of the crane during use is increased, and the hoisting efficiency of the crane is influenced.
Therefore, how to simply and quickly lock the ladder is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, a ladder assembly is provided. The present application further provides a frame including the ladder assembly described above. The present application further provides a work machine including the ladder assembly or frame described above.
In order to achieve the above purpose, the present application provides the following technical solutions:
a ladder assembly comprising:
a support member;
one end of the ladder is movably connected with the supporting piece, and the other end of the ladder is provided with a locking part;
a locking piece which can be matched with the locking part;
one end of the connecting plate is movably connected with the supporting piece, and the other end of the connecting plate is movably connected with the ladder;
wherein, the ladder moves about on the support piece, makes locking portion with the stop piece contact, adjusts the connecting plate to make stop piece and locking portion adaptation, thereby realize the locking to the ladder.
Preferably, the ladder is rotated relative to the support member to increase the height of the locking portion, the ladder is connected to the support member through the connecting plate, one end of the connecting plate is rotatably connected to the support member, and the other end of the connecting plate is rotatably connected to the ladder.
Preferably, a stopper is provided on the support, and the ladder is capable of abutting against the stopper.
Preferably, the clamping stop piece is of a rod-shaped structure, the locking part is a clamping groove formed in the ladder, and the locking part is hung on the clamping stop piece to achieve locking of the ladder.
Preferably, the stop member is vertically arranged so that the ladder is in a vertical state when the ladder abuts against the stop member.
Preferably, the ladder is slidably connected to the support member, and the height of the locking portion is increased by sliding the ladder on the support member.
Preferably, the ladder includes a first portion located at a bottom of the ladder and a second portion located at a top of the ladder, the first portion being rotatable and slidable toward the second portion to increase a height of the locking portion, and the support member and the locking piece are provided on the second portion.
A frame comprising the ladder assembly described above and a mounting bracket, the support and the catch each being provided on the mounting bracket.
Preferably, the ladder is arranged to be inclined with respect to the mounting bracket when the locking piece is fitted to the locking portion.
A crane comprising the ladder assembly or the frame.
The ladder assembly is provided with a support piece, a ladder, a clamping stop piece and a connecting plate; one end of the ladder is hinged with the supporting piece, and the other end of the ladder is provided with a locking part; the clamping stop piece can be matched with the locking part; one end of the connecting plate is movably connected with the supporting piece, and the other end of the connecting plate is movably connected with the ladder; the ladder moves on the support piece, so that the clamping stop piece is matched with the locking part, and the height of the locking part is increased. Through using support piece as the strong point, locking portion moves along support piece, makes clamping part and locking portion adaptation, swing joint board this moment to make clamping part and locking portion adaptation locking, through setting up the connecting plate, it has certain position control space to be locking portion, thereby makes clamping part and locking portion laminating adaptation, with the stability of promotion to the ladder locking, with the efficiency of packing up of promotion to the ladder.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a perspective view of a ladder assembly provided in accordance with an embodiment of the present application in a locked condition;
FIG. 2 is a side elevational view of the ladder assembly in a locked condition;
FIG. 3 is a perspective view of the ladder assembly in a rotated condition;
FIG. 4 is a side elevational view of the ladder assembly in a rotated condition;
FIG. 5 is a perspective view of the ladder assembly in use;
figure 6 is a side elevational view of the ladder assembly in use.
In fig. 1-6:
1-support, 11-stop, 2-ladder, 21-locking, 3-stop, 4-web, 5-mounting.
Detailed Description
The present application provides a ladder assembly. The present application further provides a frame including the ladder assembly described above. The present application further provides a work machine including the ladder assembly or frame described above.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
As shown in fig. 1-6, the embodiment of the present application provides a ladder assembly, which mainly comprises a support member 1, a ladder 2, a clamping stop 3 and a connecting plate 4, wherein one end of the ladder 2 is movably connected with the support member 1, and the other end is provided with a locking part 21; the retainer 3 can be fitted to the locking portion 21; one end of the connecting plate 4 is movably connected with the supporting piece 1, and the other end is movably connected with the ladder 2; wherein, ladder 2 moves about on support piece 1, makes locking portion 21 and clamping stop 3 contact, adjusts connecting plate 4 to make clamping stop 3 and locking portion 21 adaptation, thereby realize the locking to ladder 2.
It should be noted that the manner of movably connecting the ladder 2 and the support 1 is not exclusive, and may be one of a sliding connection or a rotating connection or a combination thereof.
It should also be noted that the locking portion 21 is located at the other end of the ladder 2, i.e. the locking portion 21 is located at the end away from the connection position of the ladder 2 and the support 1, the height of the locking portion 21 is the height of the bottom of the ladder 2, and an increase in the height of the locking portion 21 means that the center of the ladder 2 is raised, that is, the ladder 2 is raised.
Further, by providing the connecting plate 4, the locking portion 21 has a certain position adjustment space, so that the engaging piece 3 and the locking portion 21 are more closely attached to improve the stability after locking the ladder.
The ladder component with the structure is hinged with the supporting piece through one end of the ladder, and the other end of the ladder component is provided with the locking part; the clamping stop piece can be matched with the locking part; one end of the connecting plate is movably connected with the supporting piece, and the other end of the connecting plate is movably connected with the ladder; the ladder moves on the support piece, so that the clamping stop piece is matched with the locking part, and the height of the locking part is increased. Through using support piece as the strong point, locking portion moves along support piece, makes clamping part and locking portion adaptation, swing joint board this moment to make clamping part and locking portion adaptation locking, through setting up the connecting plate, it has certain position control space to be locking portion, thereby makes clamping part and locking portion laminating adaptation, with the stability of promotion to the ladder locking, with the efficiency of packing up of promotion to the ladder.
Further, the manner of fitting the retainer 3 to the locking portion 21 is not exclusive, and for example: the clamping stop piece 3 is matched with the locking part 21 through hanging; the clamping stop piece 3 and the locking part 21 are adapted in a magnetic attraction manner; the latch 3 is a projection structure, the locking portion 21 is a groove structure to realize fitting, and the like, and the fitting manner of the latch 3 and the locking portion 21 is one or a combination of the above fitting manners.
In some embodiments of the present application, referring to fig. 1 and 6, the ladder 2 is rotated relative to the support member 1 to increase the height of the locking portion 21, the ladder 2 is connected to the support member 1 through the connection plate 4, one end of the connection plate 4 is rotatably connected to the support member 1, and the other end is rotatably connected to the ladder 2.
In the present embodiment, an alternative is provided, in which the ladder 2 is rotated relative to the support 1 to increase the height of the locking portion 21, the ladder 2 is rotatably connected to the support 1 by means of a connecting plate 4, one end of the connecting plate 4 is rotatably connected to the support 1, and the other end is rotatably connected to the ladder 2. In this embodiment, the ladder 2 is hung on the clamping part 3 by gravity and the locking part 21 to realize the locking of the ladder 2, when the ladder 2 is rotated by taking the support part 1 as an axis, if the ladder 2 is directly connected with the support part 1 in a rotating way, and the ladder 2 is rotated until the locking part 21 contacts with the clamping part 3, the hanging effect of the locking part 21 and the clamping part 3 is poor because the movable space of the locking part 21 and the clamping part 3 does not exist; and through setting up the connecting plate 4 that is connected with ladder 2 and support piece 1 rotation respectively, when ladder 2 rotated to locking portion 21 and block 3 contacts, rotate and adjust connecting plate 4, can adjust the ladder 2 and the position of the rotation connection of connecting plate 4 a little to make locking portion 21 and block 3 articulate more fully.
In this embodiment, an alternative is also provided, which is substantially identical to the above described embodiment, except that the connection plate 4 is pivotally connected at one end to the support 1 and slidably connected at the other end to the ladder 2.
A further alternative is provided in this embodiment which is substantially identical to the previous embodiment except that the web 4 is slidably connected at one end to the support 1 and pivotally connected at the other end to the ladder 2.
In the ladder assembly with the above structure, by providing the connecting plate 4 with one end rotatably connected with the ladder 2 and the other end rotatably connected with the support member 1, after the ladder 2 is rotated by using the rotary joint of the support member 1 and the connecting plate 4 as a shaft to make the locking part 21 abut against the clamping stop piece 3, the ladder 2 is rotated by using the rotary joint of the ladder 2 and the connecting plate 4 as a shaft to make the locking part 21 and the clamping stop piece 3 more tightly connected, so as to improve the stability of the ladder 2 in a locking state.
In some embodiments of the present application, referring to fig. 1 and 6, the supporting member 1 is provided with a stop 11, and the ladder 2 can abut against the stop 11.
In the present embodiment, an alternative is provided, in which the stop 11 is provided on the support 1, and when the ladder 2 abuts against the stop 11, the stop 11 can block the ladder 2 from moving to the side of the stop 11 when the worker uses the ladder 2, so as to ensure the stability of the worker when using the ladder 2.
In this embodiment, it is also provided that the stop 11 is not provided on the support 1, the stop 11 being provided separately and ensuring that the stop 11 can abut against the ladder 2, the above-mentioned effect being achieved as well, achieving stability of the ladder 2 in use in the operating state.
The stopper 11 can prevent the movement of the ladder 2 in the use state of the ladder 2, and can function to support the ladder 2. The abutment of the stop piece 11 and the ladder 2 is not exclusive, for example, the stop piece 11 and the ladder 2 are both plate-shaped structures, the stop piece 11 is a projection which is arranged on the ladder 2 with a groove structure and is matched with the groove structure, the stop piece 11 and the ladder 2 are connected by magnetic attraction, and the like.
By arranging the stop piece 11 which can be abutted against the ladder 2, when the ladder 2 is used, the stop piece 11 can provide support for the ladder 2, so that the ladder 2 is prevented from displacement, and the safety of users is ensured; the stopper 11 is brought into contact with the ladder 2, whereby the ladder 2 can be locked more easily.
In some embodiments of the present application, please refer to fig. 1 and fig. 6 together, the locking piece 3 is a rod-shaped structure, the locking portion 21 is a slot disposed on the ladder 2, and the locking portion 21 is hung on the locking piece 3 to lock the ladder 2.
In the present embodiment, an alternative is provided, in which the retainer 3 is a rod-shaped structure, and the locking portion 21 is a groove adapted to the rod-shaped structure.
In this embodiment, it is also provided that the retainer 3 is of a groove structure and the locking portion 21 is of a tubular structure adapted to the groove structure.
Through setting up clamping part 3 to shaft-like structure, when making the draw-in groove structure of locking portion 21 articulate and dismantle from clamping part 3, frictional force when reducing locking portion 21 and articulate and dismantle makes during operating personnel locks or unblock ladder 2 more laborsaving, and faster.
In some embodiments of the present application, referring to fig. 1 and 6, the stop 11 is vertically disposed such that when the ladder 2 abuts against the stop 11, the ladder 2 is in a vertical state.
The surface of the stopper 11 that can abut against the ladder 2 has a flat structure, and can abut against the ladder 2 and also play a role in guiding; the vertical direction of the surface of the stopper 11 abutting against the ladder 2 ensures that the ladder 2 is also vertical when in use.
The specific shape of the stopper 11 is not limited, and only the stopper 11 may be ensured to abut against the ladder 2.
Specifically, the shape structure of the stop member 11 is not exclusive, and the stop member 11 may be one or a combination of a strip structure, a square structure, a bump structure, and the like.
In addition, the setting angle of the stop piece 11 is not exclusive, and the stop piece 11 may be set at other angles, such as 5 °, 10 ° from the vertical direction, and the like.
Through with the vertical setting of stopper 11, when making ladder 2 and stopper 11 butt, make ladder 2 also keep vertical setting, convenience when guaranteeing ladder 2 to use, and the stability when promoting ladder 2 to use.
In some embodiments of the application, the ladder 2 is slidably connected to the support 1, and the height of the locking portion 21 is increased by sliding the ladder 2 on the support 1.
In the embodiment, an optional manner is provided, where a slide rail is provided on the ladder 2, a pulley adapted to the slide rail is provided on the support member 1, the support member 1 is fixed, and the ladder 2 slides upward, so that the locking portion 21 and the locking stop member 3 are adapted to be locked, and thus the height of the locking portion 21 is increased, that is, the ladder 2 is lifted upward and retracted, and the ladder 2 is locked.
In this embodiment, another alternative is provided, which is substantially the same as the above embodiment except that a slide groove is provided in the ladder 2, and a connecting shaft that passes through the slide groove and can slide in the slide groove is provided in the support member 1.
The ladder 2 is connected with the support 1 in a sliding way, so that the ladder 2 slides on the support 1, the height of the locking part 21 is increased, and the ladder 2 is locked; meanwhile, the operator can operate the ladder 2 to slide more conveniently, so that trouble and labor are saved when the locking part 21 moves upwards, and the labor intensity is reduced.
In some embodiments of the application, the ladder 2 comprises a first portion at the bottom of the ladder 2 and a second portion at the top of the ladder 2, the first portion being able to rotate or and slide towards the second portion to increase the height of the locking portion 21, the support 1, the catch 3 being arranged on the second portion.
In the present embodiment an alternative is provided, where the ladder 2 comprises a first part at the bottom of the ladder 2, and a second part at the top of the ladder 2, towards which the first part can be turned, where the locking part 21 is arranged, and where the support 1 and the stop 3 are arranged. The first part can rotate to one side where the second part is located, so that the locking part 21 on the first part is matched with the clamping stop piece 3 on the second part, the displacement of the first part to one side where the second part is located is realized, and meanwhile, the ladder 2 is locked.
In this embodiment, another alternative is also provided, which is substantially the same as the above embodiment except that the first portion is slidable to the side where the second portion is located.
By arranging the ladder 2 into the first part and the second part, the folding and unfolding state of the ladder 2 can be changed, and the occupied space of the ladder 2 in the locking state is reduced.
A rack comprising the ladder assembly described above and a mounting bracket 5, the support 1 and the stop 3 each being provided on the mounting bracket 5.
It should be noted that the mounting bracket 5 can provide mounting positions for the support member 1 and the engaging member 3, and ensure the stability of the support member 1 when supporting the ladder 2 and the stability of the engaging member 3 when hooking the ladder 2.
In some embodiments of the present application, ladder 2 is arranged obliquely with respect to mounting bracket 5 when catch 3 is fitted with locking portion 21.
Specifically, when the engaging piece 3 is engaged with the locking portion 21, the ladder 2 is disposed obliquely with respect to the mounting bracket 5, and the inclination angle of the mounting bracket 5 is not particularly limited, and the inclination angle between the ladder 2 and the mounting bracket 5 may be 45 °, 60 °, 75 °, or the like.
When fastener 3 and locking portion 21 fit, through setting up ladder 2 for mounting bracket 5 slope, ladder 2, the length of support piece 1 perpendicular and mounting bracket 5 direction that the slope set up this moment and the length in the vertical direction of mounting bracket 5 form a triangle-like structure, rely on the gravity when ladder 2 leans on to one side, can improve the stability under the ladder 2 locking state.
A crane comprising the ladder assembly or the frame.
The ladder assembly is provided with a support piece, a ladder, a clamping stop piece and a connecting plate; one end of the ladder is hinged with the supporting piece, and the other end of the ladder is provided with a locking part; the clamping stop piece can be matched with the locking part; one end of the connecting plate is movably connected with the supporting piece, and the other end of the connecting plate is movably connected with the ladder; the ladder moves on the support piece, so that the clamping stop piece is matched with the locking part, and the height of the locking part is increased. Through using support piece as the strong point, locking portion moves along support piece, makes clamping part and locking portion adaptation, swing joint board this moment to make clamping part and locking portion adaptation locking, through setting up the connecting plate, it has certain position control space to be locking portion, thereby makes clamping part and locking portion laminating adaptation, with the stability of promotion to the ladder locking, with the efficiency of packing up of promotion to the ladder.
The components, devices referred to in this application are provided as illustrative examples only and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the drawings. The components, devices may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably herein. As used herein, the words "or" and "refer to, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the apparatus of the present application, the components may be disassembled and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.
Claims (10)
1. A ladder assembly, comprising:
a support (1);
one end of the ladder (2) is movably connected with the supporting piece (1), and the other end of the ladder is provided with a locking part (21);
a locking piece (3) which can be adapted to the locking part (21);
one end of the connecting plate (4) is movably connected with the supporting piece (1), and the other end of the connecting plate is movably connected with the ladder (2);
the ladder (2) moves on the support piece (1), the locking part (21) is in contact with the clamping stop piece (3), and the connecting plate (4) is adjusted to enable the clamping stop piece (3) to be matched with the locking part (21), so that the ladder (2) is locked.
2. A ladder assembly as claimed in claim 1, characterised in that the ladder (2) is connected to the support (1) by means of the connecting plate (4) by turning relative to the support (1) to increase the height of the locking portion (21), the connecting plate (4) being rotatably connected at one end to the support (1) and at the other end to the ladder (2).
3. Ladder assembly according to claim 2, characterised in that a stop (11) is provided on the support (1), the ladder (2) being able to abut against the stop (11).
4. A ladder assembly as claimed in claim 1, characterised in that the catch (3) is of rod-like construction, the locking portion (21) being a catch provided on the ladder (2), the locking portion (21) being hooked over the catch (3) to effect locking of the ladder (2).
5. A ladder assembly as claimed in claim 3, characterised in that the stop (11) is arranged vertically such that the ladder (2) is in an upright position when the ladder (2) abuts the stop (11).
6. A ladder assembly as claimed in claim 1, characterised in that the ladder (2) is slidably connected to the support (1), the height of the locking portion (21) being increased by sliding the ladder (2) over the support (1).
7. A ladder assembly as claimed in claim 1, wherein the ladder (2) comprises a first portion at the bottom of the ladder (2) and a second portion at the top of the ladder (2), the first portion being rotatable and slidable towards the second portion to increase the height of the locking portion (21), the support (1), the catch (3) being provided on the second portion.
8. A frame, characterized in that it comprises a ladder assembly according to any one of claims 1-7 and a mounting frame (5), the support (1) and the stop (3) being provided on the mounting frame (5).
9. A frame as claimed in claim 8, characterized in that the catch (3) is adapted such that the ladder (2) is arranged obliquely relative to the mounting frame (5) when the locking portion (21) is fitted.
10. A crane including a ladder assembly according to any one of claims 1 to 7 or a frame according to any one of claims 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962262.2U CN217925697U (en) | 2022-07-26 | 2022-07-26 | Ladder assembly, rack and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962262.2U CN217925697U (en) | 2022-07-26 | 2022-07-26 | Ladder assembly, rack and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217925697U true CN217925697U (en) | 2022-11-29 |
Family
ID=84150283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221962262.2U Active CN217925697U (en) | 2022-07-26 | 2022-07-26 | Ladder assembly, rack and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217925697U (en) |
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2022
- 2022-07-26 CN CN202221962262.2U patent/CN217925697U/en active Active
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