Multi-degree-of-freedom cab and forklift
By designing a multi-degree of freedom cab, 360-degree rotation and axial expansion and pitch adjustment are achieved using components such as slewing mechanism, turntable, and telescopic arms, which solves the problem of limited vision of the driver in forklift operation and improves operating efficiency and safety.
Patent Information
- Application Number
- CN202420627035.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-29
AI Technical Summary
When operating forklifts, the cargo, the structure of the forklift itself and the operating environment will affect the driver's vision, which may lead to misoperation and even major safety problems.
A multi-degree of freedom cab is designed, and the operation flexibility of the cab is achieved through a combination of a slewing mechanism, a rotary table, a telescopic arm, amplitude cylinder and a control cylinder.
It greatly improves the operating vision of the cab, improves operating efficiency and safety, and ensures the safe transportation of goods.
Smart Images
Figure CN222555031U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a multi-freedom cab and belongs to the technical field of forklifts. Background Art
[0002] When a forklift is operating, the cargo, the forklift's own structure and the operating environment will affect the driver's field of vision, which may lead to misoperation or even major safety problems. Summary of the invention
[0003] In order to overcome the deficiencies in the prior art, the utility model provides a multi-degree-of-freedom cab, which greatly improves the working field of the cab, improves working efficiency and safety, and ultimately achieves safe transportation of goods through multi-degree-of-freedom adjustment of the cab.
[0004] The utility model is implemented according to the following technical solutions:
[0005] In a first aspect, the utility model provides a multi-degree-of-freedom cab, comprising:
[0006] The slewing mechanism is installed on the frame and has a rotating function;
[0007] A turntable, mounted on the slewing mechanism, capable of 360-degree rotation;
[0008] The telescopic arm has a telescopic function, and its bottom is hinged on the turntable and can rotate with the turntable;
[0009] A luffing cylinder, one end of which is hinged on the turntable, and the other end of which is hinged on the telescopic arm, so as to achieve luffing of the telescopic arm;
[0010] A mounting seat, fixed to the back of the cab, the mounting seat being hinged to the top of the telescopic arm;
[0011] An adjusting oil cylinder has one end hinged on the mounting seat and the other end hinged on the telescopic arm to achieve pitch adjustment of the cab.
[0012] In some embodiments, the telescopic arm comprises:
[0013] At least two section arms, the bottom section arm is installed on the turntable through a pin shaft, and the bottom section arm is also provided with an installation hinge point of a variable amplitude oil cylinder; the top section arm is provided with an installation hinge point of an adjustment oil cylinder and a mounting seat;
[0014] The telescopic cylinder is arranged in the at least two section arms, and the two ends of the telescopic cylinder are respectively hinged with the bottom section arm and the top section arm through the pin shaft to achieve axial telescoping.
[0015] In some embodiments, a sliding block is installed between two adjacent joint arms to reduce the friction between the two joint arms.
[0016] In some embodiments, the installation hinge point of the adjusting oil cylinder is located on the bottom surface of the topmost arm section close to the outer surface, and the installation hinge point of the mounting seat is located on the outer surface of the topmost arm section.
[0017] In some embodiments, the mounting hinge of the amplitude-changing cylinder, the mounting hinge of the adjusting cylinder and the mounting hinge of the mounting seat are all double-ear support structures.
[0018] In some embodiments, the turntable is composed of a disc, a pair of opposing support plates located on the disc, and a boss located between the two support plates and on the disc; the bottom of the telescopic arm is located between the two support plates, and the three are hinged together by a penetrating pin shaft; the boss is provided with an installation hinge point for the boom cylinder.
[0019] In some embodiments, the mounting hinge of the boom cylinder is a double-ear support structure.
[0020] In a second aspect, the utility model provides a forklift, comprising a frame, on which the above-mentioned multi-degree-of-freedom cab is mounted.
[0021] In some embodiments, the slewing mechanism is mounted on a counterweight located at the rear of the frame.
[0022] Beneficial effects of the utility model:
[0023] Compared with conventional models, the advantages of the multi-degree-of-freedom cab and forklift provided by the utility model are that the operating field of the cab driver is greatly improved, the handling safety is effectively improved, and the safety and efficiency of the operation are guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.
[0025] In the attached picture:
[0026] Figure 1 This is a schematic diagram of the application of the multi-degree-of-freedom cab of the utility model;
[0027] In the figure: frame 1, counterweight 2, slewing mechanism 3, turntable 4, telescopic arm 5, cab 6, mounting seat 7, luffing cylinder 8, adjusting cylinder 9.
[0028] Figure 2It is an overall schematic diagram of the turntable and telescopic arm of the utility model;
[0029] Figure 3 It is a cross-sectional schematic diagram of the turntable and telescopic arm of the utility model;
[0030] In the figure: a first arm 51, a second arm 52, a telescopic cylinder 53, a pin 54, and a slide block 55.
[0031] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.
[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] like Figure 1As shown, a multi-degree-of-freedom cab comprises a slewing mechanism 3, a turntable 4, a telescopic arm 5, a mounting seat 7, a variable-length oil cylinder 8, and an adjusting oil cylinder 9. The slewing mechanism 3 is mounted on the vehicle frame and has a rotating function; the turntable 4 is mounted on the slewing mechanism 3 and can rotate 360 degrees; the telescopic arm 5 has a telescopic function, and its bottom is hinged on the turntable 4 and can rotate with the turntable 4; one end of the variable-length oil cylinder 8 is hinged on the turntable 4, and the other end is hinged on the telescopic arm 5 to achieve the variable length of the telescopic arm 5; the mounting seat 7 is fixed on the back of the cab 6, and the mounting seat 7 is hinged to the top of the telescopic arm 5; one end of the adjusting oil cylinder 8 is hinged on the mounting seat 7, and the other end is hinged on the telescopic arm 5 to achieve the pitch adjustment of the cab 6. The above slewing mechanism 3, variable-length oil cylinder 8, adjusting oil cylinder 9, and telescopic arm 5 can all realize the adjustment of the cab; the utility model solves the safety problem caused by the vision problem of the cab occupant during forklift operation. The driver can freely adjust the position of the cab according to the working environment to ensure working safety.
[0036] The telescopic arm is further described below.
[0037] like Figure 2 , Figure 3 As shown, the telescopic arm 5 can realize the axial movement of the cab 6, and includes at least two section arms and a telescopic cylinder 53. The bottom section arm of the at least two section arms is installed on the turntable 4 through a pin 54, and the bottom section arm is also provided with a mounting hinge point of the variable amplitude cylinder 8; the top section arm is provided with a mounting hinge point of the adjusting cylinder 9 and the mounting seat 7; the telescopic cylinder 53 is arranged in at least two section arms, and the two ends of the telescopic cylinder 53 are respectively hinged with the bottom section arm and the top section arm through a pin to realize axial telescoping.
[0038] Specific embodiment: continue to refer to Figure 2 , Figure 3 As shown, the first boom 51 is mounted on the turntable 4 through a pin 54, and the first boom 51 is provided with a mounting hinge of a variable amplitude cylinder 8 to achieve the variable amplitude action of the entire boom. A plurality of sliders 55 are installed between the second boom 52 and the first boom 51, and the telescopic cylinder 53 is respectively connected to the first boom 51 and the second boom 52 through a pin to achieve axial telescoping. In addition, the second boom 52 is provided with a mounting hinge of an adjusting cylinder 9 and a mounting seat 7.
[0039] Further solutions: continue to refer to Figure 2 , Figure 3 As shown, the mounting hinge of the adjusting oil cylinder 9 is located on the bottom surface of the first boom 51 close to the outer surface, and the mounting hinge of the mounting seat 7 is located on the outer surface of the second boom 52. The mounting hinge of the variable amplitude oil cylinder 8, the mounting hinge of the adjusting oil cylinder 9 and the mounting hinge of the mounting seat 7 are all double-ear support structures.
[0040] The above-mentioned turntable is further described below.
[0041] Continue to refer to Figure 2 , Figure 3 As shown, the turntable 4 is composed of a disc, a pair of supporting plates located on the disc and facing each other, and a boss located between the two supporting plates and on the disc; the bottom of an arm 51 is located between the two supporting plates, and the three are hinged together by a penetrating pin 54; the boss is provided with a mounting hinge point for the variable amplitude cylinder 8.
[0042] A further solution is that the mounting hinge of the luffing cylinder 8 is a double-ear support structure.
[0043] like Figure 1 As shown, the utility model also discloses a forklift, including a frame 1, a counterweight 2 and the above-mentioned multi-degree-of-freedom cab. The slewing mechanism 3 is installed on the counterweight 2 at the rear end of the frame 1, and the turntable 4 is installed on the slewing mechanism 3. The slewing mechanism 3 can realize 360-degree rotation of the turntable 4, the telescopic arm 5 and the cab 6; one section of the telescopic arm 5 is connected to the turntable 4 through a pin shaft, and there is a variable amplitude cylinder 8 between the two, which can realize the variable amplitude of the cab 6; there is a telescopic cylinder inside the telescopic arm 5, which can realize the axial movement of the cab 6; the second section of the telescopic arm 5 is connected to the mounting seat 7 through a pin shaft, and there is an adjustment cylinder 9 between the second section of the telescopic arm 5 and the mounting seat 7, which can realize the pitch of the cab 6. The utility model solves the safety problem caused by the vision problem of the cab occupant during the operation of the forklift. The driver can freely adjust the position of the cab according to the working environment to ensure the safety of the operation.
[0044] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.
[0045] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.
[0046] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.
Claims
1. A multi-degree-of-freedom cab, characterized in that: include: The slewing mechanism is installed on the frame and has a rotating function; A turntable, mounted on the slewing mechanism, capable of 360-degree rotation; The telescopic arm has a telescopic function, and its bottom is hinged on the turntable and can rotate with the turntable; A luffing cylinder, one end of which is hinged on the turntable, and the other end of which is hinged on the telescopic arm, so as to achieve luffing of the telescopic arm; A mounting seat, fixed to the back of the cab, the mounting seat being hinged to the top of the telescopic arm; An adjusting oil cylinder has one end hinged on the mounting seat and the other end hinged on the telescopic arm to achieve pitch adjustment of the cab.
2. A multi-degree-of-freedom cab according to claim 1, characterized in that: The telescopic arm comprises: At least two section arms, the bottom section arm is installed on the turntable through a pin shaft, and the bottom section arm is also provided with an installation hinge point of a variable amplitude oil cylinder; the top section arm is provided with an installation hinge point of an adjustment oil cylinder and a mounting seat; The telescopic cylinder is arranged in the at least two section arms, and the two ends of the telescopic cylinder are respectively hinged with the bottom section arm and the top section arm through the pin shaft to achieve axial telescoping.
3. A multi-degree-of-freedom cab according to claim 2, characterized in that: A plurality of sliding blocks are installed between two adjacent section arms to reduce the friction between the two section arms.
4. The multi-degree-of-freedom cab according to claim 2, characterized in that: The installation hinge point of the regulating oil cylinder is located on the bottom surface of the topmost section arm close to the outer surface, and the installation hinge point of the mounting seat is located on the outer surface of the topmost section arm.
5. The multi-degree-of-freedom cab according to claim 2, characterized in that: The mounting hinge of the amplitude-changing oil cylinder, the mounting hinge of the adjusting oil cylinder and the mounting hinge of the mounting seat are all double-ear support structures.
6. The multi-degree-of-freedom cab according to claim 1, characterized in that: The turntable is composed of a disc, a pair of supporting plates located on the disc and facing each other, and a boss located between the two supporting plates and on the disc; The bottom of the telescopic arm is located between the two support plates, and the three are hinged together by a penetrating pin shaft; The boss is provided with an installation hinge point for the amplitude-changing oil cylinder.
7. The multi-degree-of-freedom cab according to claim 6, characterized in that: The installation hinge point of the luffing oil cylinder is a double-ear support structure.
8. A forklift, comprising a frame, characterized in that: The vehicle frame is mounted with a multi-degree-of-freedom cab as described in any one of claims 1 to 7.
9. A forklift according to claim 8, characterized in that: The slewing mechanism is installed on a counterweight located at the rear of the frame.