CN214784330U - Excavator lift platform - Google Patents
Excavator lift platform Download PDFInfo
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- CN214784330U CN214784330U CN202120288647.4U CN202120288647U CN214784330U CN 214784330 U CN214784330 U CN 214784330U CN 202120288647 U CN202120288647 U CN 202120288647U CN 214784330 U CN214784330 U CN 214784330U
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- connecting rod
- platform
- excavator
- lower connecting
- oil cylinder
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Abstract
The utility model relates to an excavator lift platform, it is including installing the lift platform support on excavator rotary platform to and be used for installing the driver's cabin platform of driver's cabin, the driver's cabin platform is located the bottom of driver's cabin, the last hinge of lift platform support is equipped with connecting rod and lower connecting rod, and the other end of going up connecting rod and lower connecting rod is all articulated to be installed on the driver's cabin platform, goes up connecting rod and lower connecting rod interval from top to bottom, installs the lift cylinder that is used for changing connecting rod or lower connecting rod lifting angle on the lift platform support. This excavator lift platform is through improvement design, and the security improves greatly, possesses higher reliability, has improved the stability of upper connecting rod and lower connecting rod.
Description
Technical Field
The utility model relates to an engineering machine tool field, specific excavator lift platform that says so.
Background
For medium-sized or large-sized excavators, a platform assembly is an important component of the excavator, a standard excavator platform structure is generally integrated, and in the excavator segment market, particularly in special occasions with targets such as railway lines, ports and docks, cargo yards, steel mills, new energy recovery industries, building industries and the like, the excavator is required to have a cab lifting function in order to increase the visual field of a driver and improve the operation efficiency of equipment. The prior art scheme is generally based on the structure of reforming on ordinary excavator revolving platform assembly to install simple lift platform additional, the general structure of this kind of lift platform is fairly simple, and the lift height also receives the restriction.
The prior art has the following disadvantages: 1. the temporary reformed structure is not subjected to sufficient structure verification, so that potential safety hazards exist; 2. the lifting platform is not developed in a customized manner, and the structure is relatively simple; 3. the upper and lower connecting rods have no sufficient reinforcing structure; 4. pipelines such as hydraulic pipelines, air-conditioning pipelines and other wire harnesses for connecting the cab are exposed outside, and the trend is not smooth due to lack of constraint.
SUMMERY OF THE UTILITY MODEL
The utility model aims at customizing development excavator lift platform, through carrying out abundant structural verification, ensure the reliability of complete machine, carry out modular design to its structure again, make lift platform can directly assemble on rotary platform to ensure simultaneously that the connecting rod possesses sufficient intensity.
In order to achieve the above object, the utility model relates to an excavator lift platform, its structural feature is: the lifting platform comprises a lifting platform support and a cab platform, wherein the lifting platform support is installed on a rotary platform of the excavator, the cab platform is used for installing a cab, the cab platform is located at the bottom of the cab, an upper connecting rod and a lower connecting rod are hinged to the lifting platform support, the other ends of the upper connecting rod and the lower connecting rod are hinged to be installed on the cab platform, the upper connecting rod and the lower connecting rod are spaced from each other, and a lifting oil cylinder used for changing the lifting angle of the upper connecting rod or the lower connecting rod is installed on the lifting platform support.
The lifting platform is improved and designed on the basis of full structure verification, so that the safety is greatly improved; the lifting platform is developed in a customized mode, is suitable for the current standard excavator, has relatively complex structure and higher reliability, and is provided with the upper connecting rod and the lower connecting rod which are respectively arranged into an integrated frame structure, so that the stability is improved compared with the traditional lower connecting rod split structure.
Regarding the concrete structure of lift platform support, lift platform support includes the bottom plate, and bottom plate fixed mounting has two curb plates on excavator rotary platform, the upside fixed mounting of bottom plate, and mutual interval about two curb plates, the upside of bottom plate still fixed mounting have the back plate, the back plate be located the rear portion of two curb plates and with two curb plate fixed connection. The bottom plate can adopt bolted connection with rotary platform's fixed connection mode, when being convenient for lift platform support installation, still makes things convenient for the maintenance in the future.
About the articulated connected mode of last connecting rod and lower connecting rod and lift platform support, install the connecting seat on the lift platform support, the connecting seat is located the upper portion that leans on of lift platform support, and the connecting seat is installed between two curb plates, and the connecting seat is equipped with two and upper and lower interval, and two connecting seats are connected with last connecting rod and lower connecting rod are articulated respectively.
In order to reduce the overall size of the lifting platform, the upper and lower links are located between the two side plates and extend outwardly toward one side of the cab platform. When the cab is not lifted, the upper connecting rod and the lower connecting rod are taken into the lifting platform support, so that additional space is not occupied, the purpose of reducing the size of the lifting platform is achieved, and the excavator can conveniently go in and out of a narrow passage.
Regarding the mounting structure of the lifting oil cylinder, an oil cylinder base is fixedly mounted on the upper side of the bottom plate, an oil cylinder pin shaft is mounted on the oil cylinder base, and the lifting oil cylinder is hinged to the lifting platform support through the oil cylinder pin shaft.
Regarding the connection structure of the lifting oil cylinder, the cylinder body of the lifting oil cylinder is hinged on the oil cylinder base, and the piston rod of the lifting oil cylinder is hinged with the upper connecting rod.
Regarding the connecting part of the lifting oil cylinder and the upper connecting rod, the upper connecting rod is divided into three sections according to the length, wherein the three sections are respectively the front end, the middle section and the rear end, and the hinged part of the lifting oil cylinder and the upper connecting rod is positioned on the middle section of the upper connecting rod.
About the hinge structure of lower connecting rod and driver's cabin platform, install lower connecting rod round pin axle on the driver's cabin platform, lower connecting rod round pin axle is located the one side that is close to lift platform support, and lower connecting rod passes through lower connecting rod round pin axle and is connected with the hinge of driver's cabin platform. The connecting rod and the oil cylinder pin shaft are convenient to process by adopting a large chamfer and a built-in grease hole, and the connecting rod and the oil cylinder pin shaft are provided with threaded holes convenient to disassemble and assemble the pin shaft through a single bolt fixing structure.
Regarding the hinge structure of the upper connecting rod and the cab platform, a connecting rod frame is fixedly installed on the upper side of the cab platform, the connecting rod frame is located on one side close to the lifting platform support, the connecting rod frame is located above the lower connecting rod, an upper connecting rod pin shaft is installed on the connecting rod frame, and the upper connecting rod is connected with the cab platform in a hinged mode through the upper connecting rod pin shaft. The connecting rod and the oil cylinder pin shaft are convenient to process by adopting a large chamfer and a built-in grease hole, and the connecting rod and the oil cylinder pin shaft are provided with threaded holes convenient to disassemble and assemble the pin shaft through a single bolt fixing structure.
In order to avoid being connected to the pipeline of driver's cabin and the circuit exposes and receive destruction outward, install the tow chain that is used for the cover to establish circuit and pipeline between driver's cabin platform and the lift platform support, the tow chain is located the top of last connecting rod, and the top at the lift platform support is installed to tow chain one end, and the other end is installed on the driver's cabin platform. The unique drag chain structure is used for protecting the pipeline, so that the hydraulic pipeline, the air conditioner pipeline and the wire harness are smooth and reasonable in arrangement.
Because above-mentioned technical scheme's application is following right the utility model discloses an advantage effect carries out concrete analysis.
In conclusion, the lifting platform is improved and designed on the basis of sufficient structure verification, so that the safety is greatly improved; the lifting platform is developed in a customized manner, is suitable for the current standard excavator, and has relatively complex structure but higher reliability; the upper connecting rod and the lower connecting rod are of an integrated frame structure, so that the stability is improved compared with the traditional lower connecting rod split structure; in addition, utilize unique tow chain structure, protect the pipeline for hydraulic pressure pipeline, air conditioner pipeline and pencil move towards more smoothly, arrange more rationally.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic side view of the cab platform and lift platform bracket.
In the figure: cab platform 1, tow chain 2, upper connecting rod 3, lower connecting rod 4, connecting rod frame 5, lift platform support 6, hydro-cylinder base 7, lift cylinder 8, back plate 9, bottom plate 10, connecting seat 11, curb plate 12.
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.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
It should be noted that the terms "inner surface" and "outer surface" of the conveyor belt are based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application, and it is specified that the side of the conveyor belt in contact with the driven shaft and the transmission shaft is the inner surface, and the back side in contact with the driven shaft and the transmission shaft is the outer surface, i.e., the side for conveying the stalks is the outer surface.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, 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 in the present application can be understood in a specific case by those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
Referring to the attached drawings, the utility model discloses an excavator lift platform: including installing lift platform support 6 on excavator revolving platform, and be used for installing cab platform 1 of driver's cabin, cab platform 1 is located the bottom of driver's cabin, lift platform support 6 goes up the hinge and is equipped with connecting rod 3 and lower connecting rod 4, the other end of going up connecting rod 3 and lower connecting rod 4 is all articulated to be installed on cab platform 1, the other end of going up connecting rod 3 and lower connecting rod 4 is the one end of going up connecting rod 3 and lower connecting rod 4 and keeping away from lift platform support 6 promptly, go up connecting rod 3 and lower connecting rod 4 interval from top to bottom, install the lift cylinder 8 that is used for changing connecting rod 3 or lower connecting rod 4 lifting angle on lift platform support 6. Referring to the attached figure 1, the lifting platform is improved and designed on the basis of full structure verification, so that the safety is greatly improved; the lifting platform is developed in a customized manner, is suitable for the current standard excavator, and has relatively complex structure but higher reliability; the upper connecting rod 3 and the lower connecting rod 4 are respectively arranged into an integrated frame structure, so that the stability is improved compared with the traditional split structure of the lower connecting rod 4.
Regarding the specific structure of the lifting platform support 6, referring to fig. 2, the lifting platform support 6 includes a bottom plate 10, the bottom plate 10 is fixedly installed on the excavator revolving platform, two side plates 12 are fixedly installed on the upper side of the bottom plate 10, the two side plates 12 are spaced from each other, a rear plate 9 is also fixedly installed on the upper side of the bottom plate 10, and the rear plate 9 is located at the rear portion of the two side plates 12 and is fixedly connected with the two side plates 12. The fixed connection mode of the bottom plate 10 and the rotary platform can adopt bolt connection, so that the lifting platform support 6 is convenient to install and is convenient to overhaul in the future. Regarding the hinged connection mode of the upper connecting rod 3 and the lower connecting rod 4 with the lifting platform support 6, referring to fig. 1, the lifting platform support 6 is provided with two connecting seats 11, the connecting seats 11 are located at the upper part of the lifting platform support 6, the connecting seats 11 are installed between two side plates 12, the connecting seats 11 are arranged at intervals from top to bottom, and the two connecting seats 11 are respectively hinged with the upper connecting rod 3 and the lower connecting rod 4. In order to reduce the overall size of the lifting platform, and with reference to fig. 2, the upper and lower links 3, 4 are located between the two side plates 12, the upper and lower links 3, 4 projecting outwardly towards one side of the cab platform 1. When the cab is not lifted, the upper connecting rod 3 and the lower connecting rod 4 are taken into the lifting platform support 6, and extra space is not occupied, so that the purpose of reducing the size of the lifting platform is achieved, and the excavator can conveniently go in and out of narrow passages.
Regarding the mounting structure of the lift cylinder 8, referring to fig. 1, a cylinder base 7 is fixedly mounted on the upper side of the bottom plate 10, a cylinder pin is mounted on the cylinder base 7, and the lift cylinder 8 is hinged to the lift platform support 6 through the cylinder pin. Regarding the connection structure of the lifting oil cylinder 8, the cylinder body of the lifting oil cylinder 8 is hinged on the oil cylinder base 7, and the piston rod of the lifting oil cylinder 8 is hinged with the upper connecting rod 3. Regarding the connection part of the lifting oil cylinder 8 and the upper connecting rod 3, the upper connecting rod 3 is divided into three sections according to the length, wherein the three sections are respectively the front end, the middle section and the rear end, and the hinged part of the lifting oil cylinder 8 and the upper connecting rod 3 is positioned on the middle section of the upper connecting rod 3.
Regarding the hinge structure of the lower connecting rod 4 and the cab platform 1, referring to fig. 2, a lower connecting rod pin shaft is installed on the cab platform 1, the lower connecting rod pin shaft is located at one side close to the lifting platform support 6, and the lower connecting rod 4 is hinged to the cab platform 1 through the lower connecting rod pin shaft. About the hinge structure of upper connecting rod 3 and driver's cabin platform 1, driver's cabin platform 1 upside fixed mounting has a connecting rod frame 5, and connecting rod frame 5 is located the one side that is close to lift platform support 6, and connecting rod frame 5 is located the top of lower connecting rod 4, installs the upper connecting rod round pin axle on the connecting rod frame 5, and upper connecting rod 3 is connected with driver's cabin platform 1 is articulated through the upper connecting rod round pin axle. The connecting rod and the oil cylinder pin shaft are convenient to process by adopting a large chamfer and a built-in grease hole, and the connecting rod and the oil cylinder pin shaft are provided with threaded holes convenient to disassemble and assemble the pin shaft through a single bolt fixing structure.
In order to avoid the pipelines and the lines connected to the cab from being exposed to the outside and damaged, referring to the attached drawings 1 and 2, a drag chain 2 used for sleeving the lines and the pipelines is installed between a cab platform 1 and a lifting platform support 6, the drag chain 2 is located above an upper connecting rod 3, one end of the drag chain 2 is installed at the top of the lifting platform support 6, and the other end of the drag chain is installed on the cab platform 1. Use unique tow chain 2 structure, protect the pipeline for hydraulic pressure pipeline, air conditioner pipeline and pencil move towards more smoothly, arrange more rationally.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an excavator lift platform which characterized by: including installing lift platform support (6) on excavator rotary platform to and be used for installing driver's cabin platform (1) of driver's cabin, driver's cabin platform (1) is located the bottom of driver's cabin, lift platform support (6) go up the hinge and are equipped with connecting rod (3) and lower connecting rod (4), the other end of going up connecting rod (3) and lower connecting rod (4) is all articulated to be installed on driver's cabin platform (1), go up connecting rod (3) and lower connecting rod (4) interval from top to bottom, install on lift platform support (6) and be used for changing connecting rod (3) or lower connecting rod (4) lift cylinder (8) of angle.
2. The excavator lifting platform of claim 1 wherein: lifting platform support (6) include bottom plate (10), and bottom plate (10) fixed mounting is on excavator rotary platform, and the upside fixed mounting of bottom plate (10) has two curb plates (12), and mutual interval about two curb plates (12), and the upside of bottom plate (10) is fixed mounting still has back plate (9), and back plate (9) are located the rear portion of two curb plates (12) and with two curb plate (12) fixed connection.
3. The excavator lifting platform of claim 2 wherein: install connecting seat (11) on lift platform support (6), connecting seat (11) are located the upper portion by of lift platform support (6), and connecting seat (11) are installed between two curb plates (12), and connecting seat (11) are equipped with two and upper and lower interval, and two connecting seats (11) are connected with last connecting rod (3) and lower connecting rod (4) are articulated respectively, go up connecting rod (3) and lower connecting rod (4) and articulate through connecting seat (11) and install on lift platform support (6).
4. The excavator lifting platform of claim 3 wherein: the upper connecting rod (3) and the lower connecting rod (4) are located between the two side plates (12), and the upper connecting rod (3) and the lower connecting rod (4) extend outwards towards one side of the cab platform (1).
5. The excavator lifting platform of claim 2 wherein: an oil cylinder base (7) is fixedly installed on the upper side of the bottom plate (10), an oil cylinder pin shaft is installed on the oil cylinder base (7), and the lifting oil cylinder (8) is installed on the lifting platform support (6) in a hinged mode through the oil cylinder pin shaft.
6. The excavator lifting platform of claim 5 wherein: the cylinder body of the lifting oil cylinder (8) is hinged to the oil cylinder base (7), and the piston rod of the lifting oil cylinder (8) is hinged to the upper connecting rod (3).
7. The excavator lifting platform of claim 6 wherein: the hinged part of the lifting oil cylinder (8) and the upper connecting rod (3) is positioned on the middle section of the upper connecting rod (3).
8. The excavator lifting platform of claim 4 wherein: the cab platform (1) is provided with a lower connecting rod pin shaft, the lower connecting rod pin shaft is positioned on one side close to the lifting platform support (6), and the lower connecting rod (4) is hinged with the cab platform (1) through the lower connecting rod pin shaft.
9. The excavator lifting platform of claim 8 wherein: cab platform (1) upside fixed mounting has connecting rod frame (5), and connecting rod frame (5) are located the one side that is close to lift platform support (6), and connecting rod frame (5) are located the top of lower connecting rod (4), install connecting rod round pin axle on connecting rod frame (5), go up connecting rod (3) and be connected through last connecting rod round pin axle and cab platform (1) are articulated.
10. The excavator lifting platform of any one of claims 1 to 9 wherein: install tow chain (2) that are used for the cover to establish circuit and pipeline between driver's cabin platform (1) and lift platform support (6), tow chain (2) are located the top of last connecting rod (3), and the top at lift platform support (6) is installed to tow chain (2) one end, and the other end is installed on driver's cabin platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288647.4U CN214784330U (en) | 2021-02-02 | 2021-02-02 | Excavator lift platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288647.4U CN214784330U (en) | 2021-02-02 | 2021-02-02 | Excavator lift platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784330U true CN214784330U (en) | 2021-11-19 |
Family
ID=78751587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120288647.4U Active CN214784330U (en) | 2021-02-02 | 2021-02-02 | Excavator lift platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214784330U (en) |
-
2021
- 2021-02-02 CN CN202120288647.4U patent/CN214784330U/en active Active
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |