CN117227864A - Crawler-type chassis of scissor type aerial work platform - Google Patents
Crawler-type chassis of scissor type aerial work platform Download PDFInfo
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- CN117227864A CN117227864A CN202311193727.1A CN202311193727A CN117227864A CN 117227864 A CN117227864 A CN 117227864A CN 202311193727 A CN202311193727 A CN 202311193727A CN 117227864 A CN117227864 A CN 117227864A
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- 238000009434 installation Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a crawler chassis of a scissor type aerial working platform, which comprises a frame assembly and a crawler traveling system, wherein the crawler traveling system is arranged at the bottom of the frame assembly; the frame assembly comprises a mounting platform, a connecting bracket and a crawler mounting rack, wherein the mounting platform is mounted above the connecting bracket; the connecting bracket is of a symmetrical structure taking the longitudinal axis as the center, and the middle part is arched upwards to form an arch bridge structure with high middle and low two sides. The beneficial effects are that: the invention improves the trafficability, stability and weight of the chassis of the whole machine; the connecting bracket is hinged with the mounting platform, so that the stability of the whole machine is improved; the hydraulic components are concentrated in the assembly type electric component mounting box and the hydraulic component mounting box at the upper part of the mounting platform, so that the wading performance of the whole machine is improved; the support leg component improves the stability of the whole machine during lifting.
Description
Technical Field
The invention relates to a chassis of an engineering vehicle, in particular to a crawler chassis of a scissor type aerial work platform, and belongs to the technical field of engineering machinery.
Background
Aerial work platforms have become a type of aerial work machine equipment that has been rapidly becoming very frequently used in aerial work. With national technological innovations and soundness of modern laws and regulations, the new period has put forward stricter and normative guidelines for aloft work. Aloft work machines have become a scenario where important climbing equipment is applied to different conditions.
The scissor type aerial platform is the most common type of aerial platform products, and is usually a motor-driven wheel type self-propelled structure. With the wide use of scissor type aerial work platforms, users have put higher demands on the performance of the products. The existing wheel type motor driven product has lower whole vehicle trafficability due to the self structure limitation, so that certain requirements are provided for the working ring, especially the ground flatness. With popularization of scissor type aerial work platform products, more and more scissor type aerial work platforms are applied to sites with complex environments to perform aerial work, so that the complete machine is required to have better trafficability and obstacle surmounting capability.
However, the existing scissor type aerial work platform products on the market are serious in homogenization, similar in driving mode, frame structure and component arrangement.
Firstly, the driving modes are motor driving, the driving motor is large in size, the trafficability of the vehicle is affected, and the motor is bumped during running, so that the motor is damaged. If the motor shield is added, the ground clearance is further extruded, and the trafficability of the whole vehicle is greatly influenced. In addition, the ground clearance of the conventional product is small, so that the arrangement of components is low, and water is easy to enter when the components meet wading working conditions, so that short circuit and faults are caused; meanwhile, the battery is arranged on the abdomen of the frame, so that the assembly is difficult, the overhaul and maintenance are difficult, and if the fork arm suddenly drops under special conditions, the safety of overhaul and maintenance personnel is seriously threatened.
Disclosure of Invention
The invention aims to: the invention aims to provide a crawler chassis of a scissor type aerial work platform, aiming at the problems of insufficient ground clearance, poor trafficability, insufficient wading capacity, poor maintainability and safety during maintenance in the prior art.
The technical scheme is as follows: the crawler chassis of the scissor type aerial work platform comprises a frame assembly and a crawler traveling system, wherein the crawler traveling system is arranged at the bottom of the frame assembly, the frame assembly is provided with a scissor type lifting assembly upwards, and the top of the scissor type lifting assembly is provided with the work platform; the frame assembly comprises a mounting platform, a connecting bracket and track mounting frames, wherein the mounting platform is arranged above the connecting bracket, and the two track mounting frames are symmetrically distributed on two sides of the frame respectively; the connecting support is of a symmetrical structure taking a longitudinal axis as a center, and the middle part of the connecting support is arched upwards to form an arch bridge structure with high middle and low two sides; the crawler traveling system is arranged on two sides of the connecting support through crawler installation frames, and the bottom of the scissor type lifting assembly is connected with the installation platform.
According to the invention, through the structural design of the frame assembly, the two crawler belt mounting frames are symmetrically distributed on two sides of the frame respectively, meanwhile, the connecting support adopts an arch bridge structure, and the bottom of the frame assembly is of a hollow structure, so that collision between hydraulic and electric components and ground obstacles can be avoided, and the trafficability of the whole machine is improved.
Preferably, in order to reduce the weight of the chassis, the projection shape of the connecting bracket is a symmetrical X-shaped structure, four vertex angles of the connecting bracket are respectively provided with connecting parts, and two connecting parts positioned on the same side are fixedly connected with the same crawler installation frame. The symmetrical X-shaped structure can effectively reduce the weight of the connecting support, and the connecting reliability of the crawler installation frame and the connecting support can be improved by fixedly connecting the two connecting parts on the same side with the same crawler installation frame.
Preferably, in order to further reduce the weight of the chassis, the connecting support comprises an upper connecting plate, a lower connecting plate and connecting rib plates, the projection shapes of the upper connecting plate and the lower connecting plate are the same, and the upper connecting plate and the lower connecting plate are fixedly connected through the connecting rib plates to form a hollow frame-type structure. The hollow frame structure can further reduce the weight of the chassis on the premise of ensuring the structural strength.
Preferably, in order to reduce the weight of the connecting bracket, the centers of the upper connecting plate and the lower connecting plate are respectively provided with symmetrical through holes. The through holes not only can lighten the weight, but also can facilitate the installation and maintenance of the whole machine.
Preferably, in order to further reduce the weight of the connecting bracket, the connecting rib plate is provided with a lightening hole.
Preferably, in order to improve the trafficability of the whole machine and improve the stability of the whole machine, the connecting bracket is hinged with the mounting platform, and the hinge axis coincides with the central line of the connecting bracket. The connecting bracket can drive the crawler traveling system to swing left and right along the longitudinal symmetry plane of the whole machine so as to adapt to the unevenness of the road surface, ensure that the mounting platform keeps horizontal, and improve the stability of the whole machine.
In order to improve wading performance of the whole machine, electric component mounting boxes and hydraulic component mounting boxes are symmetrically arranged on the left side and the right side of the upper surface of the mounting platform; the junction of scissors formula lift assembly and mounting platform is located between electrical component mounting box and the hydraulic component mounting box.
In order to improve the convenience of the whole machine assembly and maintenance, the electric component mounting box and the hydraulic component mounting box are respectively provided with a box body door which is opened outwards.
In order to further improve the convenience of the whole machine assembly and maintenance, the electric component mounting box and the hydraulic component mounting box are respectively provided with a detachable upper cover.
The crawler traveling system adopts a liquid drive mode, the hydraulic motor and the speed reducer are hidden in the crawler installation frame, the collision risk is avoided, and the reliability of the whole machine is higher. Meanwhile, as the ground clearance is large, the hydraulic drive is realized, no electric component is arranged at the bottom, and the whole machine has better wading performance and can prevent water from soaking. The whole machine electric components and parts, hydraulic components and parts concentrate on mounting platform upper portion assembled electric components mounting box and hydraulic components mounting box in, box door and upper cover can be easily dismantled, be convenient for later stage overhauls and troubleshooting, are in the scissors formula lift assembly outside simultaneously, improve maintainer security. Meanwhile, the electric component mounting box and the hydraulic component mounting box are assembled, related parts can be preassembled during production, and then the electric component mounting box and the hydraulic component mounting box are integrally mounted on the mounting platform, so that the production cost is reduced, and the manufacturability is improved.
In order to improve the stability of the whole machine during lifting, four corners of the mounting platform are respectively provided with a supporting leg assembly. During operation, the installation platform, the scissor type lifting assembly and the operation platform can be directly lifted off the ground together through the telescopic quantity of the four support leg assemblies, meanwhile, the installation platform is ensured to be kept horizontal, and the stability of the whole machine is further improved.
The beneficial effects are that: the bottom of the frame assembly is of a hollow structure, so that the trafficability of the whole machine is improved; the chassis is designed to be a symmetrical structure, so that the stability of the whole machine is improved; the weight of the whole chassis can be reduced through the structural design of the connecting bracket; the connecting bracket is hinged with the mounting platform so as to adapt to the unevenness of the road surface, ensure that the mounting platform keeps horizontal, and improve the stability of the whole machine; the hydraulic components are concentrated in the assembly type electric component mounting box and the hydraulic component mounting box at the upper part of the mounting platform, so that the wading performance of the whole machine is improved; the supporting leg components at four corners of the mounting platform improve the stability of the whole machine during lifting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole machine of the present invention;
FIG. 2 is an exploded view of the chassis of the present invention;
FIG. 3 is an exploded view of the frame assembly of the present invention;
fig. 4 is a schematic structural view of the connecting bracket of the present invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1, 2 and 3, a crawler chassis of a scissor type aerial work platform comprises a frame assembly 1 and a crawler traveling system 2, wherein the crawler traveling system 2 is arranged at the bottom of the frame assembly 1, the frame assembly 1 is provided with a scissor type lifting assembly 3 upwards, and the top of the scissor type lifting assembly 3 is provided with a work platform 4; the frame assembly 1 comprises a mounting platform 11, a connecting bracket 12 and track mounting frames 13, wherein the mounting platform 11 is arranged above the connecting bracket 12, and the two track mounting frames 13 are respectively and symmetrically distributed on two sides of the frame 2; the connecting bracket 12 is of a symmetrical structure taking a longitudinal axis as a center, and the middle part of the connecting bracket is arched upwards to form an arch bridge structure with high middle and low two sides; the crawler travel system 2 is arranged on two sides of the connecting bracket 12 through crawler installation frames 13, and the bottom of the scissor type lifting assembly 3 is connected with the installation platform 11.
According to the invention, through the structural design of the frame assembly 1, the two crawler belt mounting frames 13 are symmetrically distributed on two sides of the frame 2 respectively, meanwhile, the connecting support 12 adopts an arch bridge structure, and the bottom of the frame assembly 1 is of a hollow structure, so that collision between hydraulic and electric components and ground obstacles can be avoided, and the trafficability of the whole machine is improved.
As shown in fig. 3 and 4, in order to reduce the weight of the chassis, the projection shape of the connecting bracket 12 is a symmetrical X-shaped structure, four vertex angles of the connecting bracket 12 are respectively provided with a connecting portion 121, and two connecting portions 121 located on the same side are fixedly connected with the same track mounting frame 13. The symmetrical X-shaped structure can effectively reduce the weight of the connecting bracket 12, and the connecting reliability of the crawler mounting bracket 13 and the connecting bracket 12 can be improved by fixedly connecting the two connecting parts 121 on the same side with the same crawler mounting bracket 13.
As shown in fig. 4, in order to further reduce the weight of the chassis, the connecting bracket 12 includes an upper connecting plate 122, a lower connecting plate 123 and a connecting rib plate 124, the projection shapes of the upper connecting plate 122 and the lower connecting plate 123 are the same, and the upper connecting plate 122 and the lower connecting plate 123 are fixedly connected through the connecting rib plate 124 to form a hollow frame structure. The hollow frame structure can further reduce the weight of the chassis on the premise of ensuring the structural strength.
In order to reduce the weight of the connection bracket 12, the centers of the upper connection plate 122 and the lower connection plate 123 are respectively provided with symmetrical through holes 125. The through holes 125 not only can reduce the weight, but also can facilitate the installation and maintenance of the whole machine.
To further reduce the weight of the connecting bracket 12, the connecting rib 124 is provided with weight reducing holes 126.
As shown in fig. 2, in order to improve the trafficability of the whole machine and the stability of the whole machine, the connecting bracket 12 is hinged to the mounting platform 11, and the hinge axis coincides with the center line of the connecting bracket 12. The connecting bracket 12 can drive the crawler travel system 2 to swing left and right along the longitudinal symmetry plane of the whole machine so as to adapt to the unevenness of the road surface, ensure that the mounting platform 11 keeps horizontal, and improve the stability of the whole machine.
As shown in fig. 2, in order to improve wading performance of the whole machine, an electric component mounting box 5 and a hydraulic component mounting box 6 are symmetrically arranged on the left and right sides of the upper surface of the mounting platform 11; the junction of the scissor lift assembly 3 and the mounting platform 11 is located between the electrical component mounting box 5 and the hydraulic component mounting box 6.
In order to improve the convenience of the assembly and maintenance of the whole machine, the electric component mounting box 5 and the hydraulic component mounting box 6 are respectively provided with a box door which is opened to the outside. The electric component mounting box 5 and the hydraulic component mounting box 6 are provided with detachable upper covers 7, respectively.
The crawler travel system 2 adopts a liquid drive mode, the hydraulic motor and the speed reducer are hidden in the crawler mounting frame 13, no collision risk exists, and the reliability of the whole machine is higher. Meanwhile, as the ground clearance is large, the hydraulic drive is realized, no electric component is arranged at the bottom, and the whole machine has better wading performance and can prevent water from soaking. The whole machine electric components and parts, hydraulic components and parts concentrate in mounting platform 11 upper portion assembled electric components mounting box 5 and hydraulic components mounting box 6, and box door and upper cover 7 can easily be dismantled, and the later stage of being convenient for overhauls and troubleshooting are in the 3 outsides of scissor lift assembly simultaneously, improve maintainer security. Meanwhile, the electric component mounting box 5 and the hydraulic component mounting box 6 are assembled, related parts can be preassembled during production, and then the electric component mounting box and the hydraulic component mounting box are integrally mounted on the mounting platform 11, so that the production cost is reduced, and the manufacturability is improved.
As shown in fig. 1 and 2, in order to improve the stability of the whole machine during lifting, four corners of the mounting platform 11 are respectively provided with a supporting leg assembly 8. During operation, the installation platform 11, the scissor type lifting assembly 3 and the operation platform 4 can be directly lifted off the ground through the telescopic quantity of the four support leg assemblies 8, meanwhile, the installation platform 11 is ensured to be kept horizontal, and the stability of the whole machine is further improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The crawler chassis of the scissor type aerial work platform comprises a frame assembly (1) and a crawler traveling system (2), wherein the crawler traveling system (2) is arranged at the bottom of the frame assembly (1), the frame assembly (1) is provided with a scissor type lifting assembly (3) upwards, and the top of the scissor type lifting assembly (3) is provided with a work platform (4); the method is characterized in that: the frame assembly (1) comprises a mounting platform (11), a connecting bracket (12) and a track mounting bracket (13),
the mounting platform (11) is arranged above the connecting bracket (12), and the two crawler mounting frames (13) are symmetrically distributed on two sides of the frame (2) respectively;
the connecting bracket (12) is of a symmetrical structure taking a longitudinal axis as a center, and the middle part of the connecting bracket is arched upwards to form an arch bridge structure with high middle and low two sides;
the crawler belt traveling system (2) is arranged on two sides of the connecting support (12) through crawler belt installation frames (13), and the bottom of the scissor type lifting assembly (3) is connected with the installation platform (11).
2. The scissor aerial work platform crawler chassis of claim 1, wherein: the projection shape of the connecting support (12) is of a symmetrical X-shaped structure, four vertex angles of the connecting support (12) are respectively provided with a connecting part (121), and two connecting parts (121) positioned on the same side are fixedly connected with the same track mounting frame (13).
3. Crawler chassis of a scissor aerial work platform according to claim 1 or 2, characterized in that: the connecting support (12) comprises an upper connecting plate (122), a lower connecting plate (123) and connecting rib plates (124), the projection shapes of the upper connecting plate (122) and the lower connecting plate (123) are the same, and the upper connecting plate (122) and the lower connecting plate (123) are fixedly connected through the connecting rib plates (124) to form a hollow frame-type structure.
4. A crawler chassis for a scissor lift platform as claimed in claim 3 wherein: and symmetrical through holes (125) are respectively arranged at the centers of the upper connecting plate (122) and the lower connecting plate (123).
5. A crawler chassis for a scissor lift platform as claimed in claim 3 wherein: the connecting rib plate (124) is provided with a lightening hole (126).
6. The scissor aerial work platform crawler chassis of claim 1, wherein: the connecting support (12) is hinged with the mounting platform (11), and the hinge axis is coincident with the central line of the connecting support (12).
7. The scissor aerial work platform crawler chassis of claim 1, wherein: the electric component mounting boxes (5) and the hydraulic component mounting boxes (6) are symmetrically arranged on the left side and the right side of the upper surface of the mounting platform (11); the joint of the scissor lifting assembly (3) and the mounting platform (11) is positioned between the electric component mounting box (5) and the hydraulic component mounting box (6).
8. The scissor aerial work platform crawler chassis of claim 7, wherein: the electric component mounting box (5) and the hydraulic component mounting box (6) are respectively provided with a box body door which is opened outwards.
9. The crawler chassis of a scissor lift platform of claim 7 or 8, wherein: the electric component mounting box (5) and the hydraulic component mounting box (6) are respectively provided with a detachable upper cover (7).
10. The method of controlling a crawler chassis of a scissor lift platform of claim 1, wherein: four corners of the mounting platform (11) are respectively provided with a supporting leg assembly (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311193727.1A CN117227864A (en) | 2023-09-15 | 2023-09-15 | Crawler-type chassis of scissor type aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311193727.1A CN117227864A (en) | 2023-09-15 | 2023-09-15 | Crawler-type chassis of scissor type aerial work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117227864A true CN117227864A (en) | 2023-12-15 |
Family
ID=89092381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311193727.1A Pending CN117227864A (en) | 2023-09-15 | 2023-09-15 | Crawler-type chassis of scissor type aerial work platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117227864A (en) |
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2023
- 2023-09-15 CN CN202311193727.1A patent/CN117227864A/en active Pending
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