Suction device of suction excavating vehicle and suction excavating vehicle
By designing the movable boom assembly, drive mechanism and loss prevention mechanism on the suction excavator, the problem of wear of the suction pipe is solved, the loss prevention and operation range of the suction pipe is achieved, and the service life and rescue efficiency are improved.
Patent Information
- Application Number
- CN202422125885.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The suction pipes of existing suction excavators are easily worn during rotation because they directly contact the robotic arm, resulting in cracking or damage to the suction pipe, affecting service life and rescue efficiency.
A suction device for a suction excavator is designed, using a movable arm assembly, a driving mechanism and a loss prevention mechanism to limit the suction pipe to prevent wear and tear through the loss prevention mechanism, and drive the suction pipe to expand and expand the operating range through the drive mechanism.
有效防止抽吸管在活动臂架总成伸展过程中磨损,提高抽吸管的使用寿命,避免因损坏影响抢险效率。
Smart Images

Figure CN223074805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of emergency rescue equipment, in particular to a suction device and a suction excavation vehicle of a suction excavation vehicle. Background Art
[0002] At present, on-vehicle pneumatic suction excavation vehicles are widely used in industries such as personnel rescue (where they are not likely to cause secondary injuries), earthquake rescue, construction and maintenance of flammable and explosive pipelines, construction and maintenance of urban pipe networks, industrial waste cleaning, and construction and maintenance of highways and railways due to their flexibility and strong environmental adaptability.
[0003] At present, the suction pipe of the suction excavation vehicle is arranged on the robotic arm, and the rotation of the robotic arm drives the rotation of the suction pipe. Since the suction pipe is in direct contact with the robotic arm, the robotic arm will wear the suction pipe during the rotation process, resulting in cracking or damage of the suction pipe, reducing the service life of the suction pipe and affecting the rescue efficiency. Summary of the Utility Model
[0004] Therefore, it is necessary to provide a suction device and a suction excavation vehicle of a suction excavation vehicle to solve the technical problem that the suction pipe of the current suction excavation vehicle is arranged on the robotic arm, and the rotation of the robotic arm drives the rotation of the suction pipe. Since the suction pipe is in direct contact with the robotic arm, the robotic arm will wear the suction pipe during the rotation process, resulting in cracking or damage of the suction pipe, reducing the service life of the suction pipe and affecting the rescue efficiency.
[0005] To achieve the above object, the inventor provides a suction device of a suction excavation vehicle, including:
[0006] A movable boom assembly, which is arranged on the suction excavation vehicle;
[0007] A driving mechanism, which is connected to the movable boom assembly and is used to drive the movable boom assembly to extend or contract;
[0008] An anti-wear mechanism, which is arranged on the movable boom assembly and is connected to the movable boom assembly;
[0009] And a suction pipe, which passes through the anti-wear mechanism and adheres to the movable boom assembly. One end of the suction pipe is connected to the suction excavation vehicle, and the other end of the suction pipe is used for sucking materials. The anti-wear mechanism is used to limit the suction pipe and prevent the suction pipe from being worn.
[0010] As a preferred structure of the present utility model, there are multiple anti-damage mechanisms, and the multiple anti-damage mechanisms are respectively arranged at intervals on the movable boom assembly. The multiple anti-damage mechanisms are respectively connected to the movable boom assembly, and the suction pipe passes through the multiple anti-damage mechanisms and is attached to the movable boom assembly.
[0011] As a preferred structure of the present utility model, the anti-damage mechanism includes two anti-damage plates, two first guide rollers, and two second guide rollers;
[0012] One of the anti-damage plates is arranged on one side of the movable boom assembly, and the other anti-damage plate is arranged on the other side of the movable boom assembly. The two anti-damage plates are arranged opposite to each other at intervals, and the two anti-damage plates are respectively fixedly connected to the movable boom assembly;
[0013] The two first guide rollers are respectively rotatably arranged on the left sides of the two anti-damage plates, the two first guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two first guide rollers are respectively parallel to the arrangement directions of the two anti-damage plates;
[0014] The two second guide rollers are respectively rotatably arranged on the right sides of the two anti-damage plates, the two second guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two second guide rollers are respectively parallel to the arrangement directions of the two anti-damage plates.
[0015] As a preferred structure of the present utility model, the anti-damage mechanism further includes two third guide rollers. The two third guide rollers are respectively rotatably arranged on the tops of the two anti-damage plates, the two third guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two third guide rollers are respectively perpendicular to the arrangement directions of the two anti-damage plates.
[0016] As a preferred structure of the present utility model, the first guide roller and the second guide roller are arranged on the inner sides of the two anti-damage plates relative to the movable boom assembly.
[0017] As a preferred structure of the present utility model, arc plates are arranged on the left and right sides of the two anti-damage plates, and the arc plates are integrally formed with or fixedly connected to the anti-damage plates.
[0018] As a preferred structure of the present utility model, the movable boom assembly includes multiple movable booms, the driving mechanism includes multiple driving components, the multiple movable booms are sequentially hinged to each other, the multiple driving components are connected to the multiple movable booms, and the multiple driving components are used to drive the multiple movable booms to extend or contract.
[0019] As a preferred structure of the present utility model, the suction device of the suction excavation vehicle further includes a suction head;
[0020] The multiple movable arms include a first movable arm, a second movable arm, a third movable arm, a fourth movable arm, and a fifth movable arm;
[0021] The first movable arm is connected to the frame assembly of the suction excavation vehicle, and the first movable arm, the second movable arm, the third movable arm, the fourth movable arm, and the fifth movable arm are sequentially hinged to each other;
[0022] The suction head is connected to the fifth movable arm, and the other end of the suction pipe is detachably connected to the suction head;
[0023] The multiple driving components include a first driving oil cylinder, a second driving oil cylinder, a third driving oil cylinder, and a fourth driving oil cylinder;
[0024] One end of the first driving oil cylinder is connected to the first movable arm, and the other end of the first driving oil cylinder is hinged to the second movable arm. The first driving oil cylinder is used to drive the second movable arm to extend or contract;
[0025] One end of the second driving oil cylinder is connected to the second movable arm, and the other end of the second driving oil cylinder is hinged to the third movable arm. The second driving oil cylinder is used to drive the third movable arm to extend or contract;
[0026] One end of the third driving oil cylinder is connected to the third movable arm, and the other end of the third driving oil cylinder is hinged to the fourth movable arm. The third driving oil cylinder is used to drive the fourth movable arm to extend or contract;
[0027] One end of the fourth driving oil cylinder is connected to the fourth movable arm, and the other end of the fourth driving oil cylinder is hinged to the fifth movable arm. The fourth driving oil cylinder is used to drive the fifth movable arm to extend or contract.
[0028] As a preferred structure of the present utility model, the suction device of the suction excavation vehicle further includes a slewing mechanism. The slewing mechanism is arranged on the suction excavation vehicle, and the movable arm frame assembly is arranged on the slewing mechanism. The slewing mechanism is used for slewing left and right to drive the movable arm frame assembly to slewing left and right.
[0029] Different from the prior art, the beneficial effects of the above technical solution are as follows: For the suction device of the suction excavation vehicle of the present utility model, during emergency rescue operations, the suction pipe passes through the anti-damage mechanism and attaches to the movable boom assembly, preventing the suction pipe from slipping off the movable boom assembly. The driving mechanism drives the movable boom assembly to extend, thereby driving the suction pipe on the movable boom assembly to extend, thus expanding the working range of the suction pipe. Since the anti-damage mechanism is provided on the movable boom assembly, it prevents the suction pipe from being worn during the extension of the movable boom assembly, avoids or reduces the cracking or damage of the suction pipe, improves the service life of the suction pipe, and avoids affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe.
[0030] To achieve the above object, the inventor also provides a suction excavation vehicle, including the suction device of any one of the suction excavation vehicles provided by the above inventor.
[0031] Different from the prior art, the beneficial effects of the above technical solution are as follows: For the suction excavation vehicle of the present utility model, the suction device of the suction excavation vehicle, during emergency rescue operations, the suction pipe passes through the anti-damage mechanism and attaches to the movable boom assembly, preventing the suction pipe from slipping off the movable boom assembly. The driving mechanism drives the movable boom assembly to extend, thereby driving the suction pipe on the movable boom assembly to extend, thus expanding the working range of the suction pipe. Since the anti-damage mechanism is provided on the movable boom assembly, it prevents the suction pipe from being worn during the extension of the movable boom assembly, avoids or reduces the cracking or damage of the suction pipe, improves the service life of the suction pipe, and avoids affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe.
[0032] The above relevant descriptions of the utility model content are only an overview of the technical solution of this application. In order to enable those of ordinary skill in the art to more clearly understand the technical solution of this application, and then can be implemented according to the content recorded in the description and the drawings, and in order to make the above objects, other objects, features and advantages of this application more easily understood, the following is described in conjunction with the specific embodiments of this application and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] The drawings are only used to illustrate the principles, implementation methods, applications, features and effects of the specific embodiments of this application and other related contents, and should not be considered as a limitation to this application.
[0034] In the drawings of the specification:
[0035] Figure 1 It is one of the structural schematic diagrams of the suction excavation vehicle described in the specific embodiment;
[0036] Figure 2 It is the second structural schematic diagram of the suction excavation vehicle described in the specific embodiment;
[0037] Figure 3Schematic structural diagram of the suction device of the suction excavation vehicle described in the specific implementation manner;
[0038] Figure 4 is Figure 3 partial enlarged schematic diagram in
[0039] Figure 5 Top view of the anti-damage mechanism described in the specific implementation manner.
[0040] The reference numerals involved in the above-mentioned various drawings are explained as follows:
[0041] 100, frame assembly,
[0042] 200, operation box,
[0043] 300, suction device,
[0044] 400, fan,
[0045] 1, movable boom assembly,
[0046] 11, first movable boom,
[0047] 12, second movable boom,
[0048] 13, third movable boom,
[0049] 14, fourth movable boom,
[0050] 15, fifth movable boom,
[0051] 2, drive mechanism,
[0052] 21, first drive oil cylinder,
[0053] 22, second drive oil cylinder,
[0054] 23, third drive oil cylinder,
[0055] 24, fourth drive oil cylinder,
[0056] 3, anti-damage mechanism,
[0057] 31, anti-damage plate,
[0058] 32, first guide roller,
[0059] 33, second guide roller,
[0060] 34, third guide roller,
[0061] 35, arc plate,
[0062] 4, suction pipe,
[0063] 5, suction head,
[0064] 6. Rotary mechanism. Detailed implementation manners
[0065] To describe in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects of this application, the following will be described in detail in combination with the listed specific embodiments and with reference to the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application, and therefore are only examples and cannot be used to limit the protection scope of this application.
[0066] Referring to "embodiments" herein means that the specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The term "embodiment" appearing in various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.
[0067] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the technical field to which this application belongs; the use of the relevant terms herein is only for describing specific embodiments and is not intended to limit this application.
[0068] In the description of this application, the phrase "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships, for example, A and / or B, which means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " herein generally represents an "or" logical relationship between the associated objects before and after.
[0069] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary or secondary, or order relationship between these entities or operations.
[0070] Without more limitations, in this application, the use of "including", "comprising", "having" or other similar expressions in a statement is intended to cover non-exclusive inclusion. These expressions do not exclude that there may be other elements in the process, method or product including the said elements, so that the process, method or product including a series of elements may not only include those defined elements, but also include other elements not explicitly listed, or also include elements inherent to this process, method or product.
[0071] Similar to the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than", "exceeding" are understood to exclude the base number; expressions such as "above", "below", "within" are understood to include the base number. In addition, in the description of the embodiments of this application, the meaning of "a plurality of" is two or more (including two), and similar expressions related to "many" are understood in the same way, such as "multiple groups", "multiple times", etc., unless otherwise specifically defined.
[0072] In the description of the embodiments of this application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the specific embodiment or the drawing, and is only for the convenience of describing the specific embodiments of this application or for the reader to understand, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it cannot be understood as a limitation to the embodiments of this application. In addition, in the context, it should also be understood that when it is mentioned that one component is connected "above" or "below" another component, it can not only be directly connected "above" or "below" another component, but also be indirectly connected "above" or "below" another component through an intermediate component.
[0073] Unless otherwise clearly specified or limited, in the description of the embodiments of this application, the terms "installed", "connected", "connected", "fixed", "set", etc. should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art to which this application belongs, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.
[0074] Please refer to Figures 1 to 5 , this embodiment relates to a suction device 300 of a suction excavation vehicle, including:
[0075] A movable boom assembly 1, and the movable boom assembly 1 is arranged on the frame assembly 100 of the suction excavation vehicle;
[0076] The driving mechanism 2, the driving mechanism 2 is connected to the movable boom assembly 1, and the driving mechanism 2 is used to drive the movable boom assembly 1 to extend or contract. By driving the driving mechanism 2 to drive the movable boom assembly 1 to extend, the suction pipe 4 on the movable boom assembly 1 is driven to extend, thereby expanding the working range of the suction pipe 4.
[0077] The anti-damage mechanism 3, the anti-damage mechanism 3 is arranged on the movable boom assembly 1, and the anti-damage mechanism 3 is connected to the movable boom assembly 1;
[0078] And the suction pipe 4, the suction pipe 4 passes through the anti-damage mechanism 3 and is attached to the movable boom assembly 1. One end of the suction pipe 4 is connected to the operation box 200 of the suction excavator, and the other end of the suction pipe 4 is used for sucking materials. The anti-damage mechanism 3 is used to limit the suction pipe 4 to prevent the suction pipe 4 from slipping off the movable boom assembly 1 and prevent the suction pipe 4 from being worn. By providing the anti-damage mechanism 3 on the movable boom assembly 1, the wear of the suction pipe 4 during the extension of the movable boom assembly 1 is prevented, the cracking or damage of the suction pipe 4 is avoided or reduced, the service life of the suction pipe 4 is improved, and the emergency rescue efficiency is not affected due to the cracking or damage of the suction pipe 4. Specifically, the materials in this embodiment are tiles, bricks, cement steel bars, soil, etc.
[0079] Specifically, in the suction device 300 of the suction excavator in this embodiment, during the emergency rescue operation, the suction pipe 4 passes through the anti-damage mechanism 3 and is attached to the movable boom assembly 1 to prevent the suction pipe 4 from slipping off the movable boom assembly 1. By driving the driving mechanism 2 to drive the movable boom assembly 1 to extend, the suction pipe 4 on the movable boom assembly 1 is driven to extend, thereby expanding the working range of the suction pipe 4. Since the anti-damage mechanism 3 is provided on the movable boom assembly 1, the wear of the suction pipe 4 during the extension of the movable boom assembly 1 is prevented, the cracking or damage of the suction pipe 4 is avoided or reduced, the service life of the suction pipe 4 is improved, and the emergency rescue efficiency is not affected due to the cracking or damage of the suction pipe 4.
[0080] Specifically, in this embodiment, as Figures 1 to 5As shown, there are multiple loss prevention mechanisms 3, and the multiple loss prevention mechanisms 3 are respectively arranged at intervals on the movable boom assembly 1. The multiple loss prevention mechanisms 3 are respectively connected to the movable boom assembly 1, and the suction pipe 4 passes through the multiple loss prevention mechanisms 3 and is attached to the movable boom assembly 1. Specifically, by providing multiple loss prevention mechanisms 3 on the movable boom assembly 1 and arranging the multiple loss prevention mechanisms 3 at intervals, the suction pipe 4 is protected against damage in multiple directions, thereby further preventing the suction pipe 4 from being worn during the extension process of the movable boom assembly 1, avoiding or reducing the cracking or damage of the suction pipe 4, improving the service life of the suction pipe 4, and avoiding affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe 4. It should be noted that in this embodiment, the number of the loss prevention mechanisms 3 is not limited and can be set according to actual needs.
[0081] Optionally, in some embodiments, such as Figures 1 to 5 As shown, the loss prevention mechanism 3 includes two loss prevention plates 31, two first guide rollers 32 and two second guide rollers 33; one of the loss prevention plates 31 is arranged on one side of the movable boom assembly 1, and the other loss prevention plate 31 is arranged on the other side of the movable boom assembly 1. The two loss prevention plates 31 are arranged opposite to each other at intervals, and the two loss prevention plates 31 are respectively fixedly connected to the movable boom assembly 1, so that the suction pipe 4 can pass through between the two loss prevention plates 31 and be attached to the movable boom assembly 1, and the two loss prevention plates 31 play a role in limiting the suction pipe 4 to prevent the suction pipe 4 from slipping off the movable boom assembly 1.
[0082] Furthermore, the two first guide rollers 32 are respectively rotatably arranged corresponding to the left sides of the two loss prevention plates 31, the two first guide rollers 32 are respectively connected to the two loss prevention plates 31, and the arrangement directions of the two first guide rollers 32 are respectively parallel to the arrangement directions of the two loss prevention plates 31; the two second guide rollers 33 are respectively rotatably arranged corresponding to the right sides of the two loss prevention plates 31, the two second guide rollers 33 are respectively connected to the two loss prevention plates 31, and the arrangement directions of the two second guide rollers 33 are respectively parallel to the arrangement directions of the two loss prevention plates 31. With the rotatable arrangement of the first guide roller 32 and the second guide roller 33, the extension of the movable boom assembly 1 drives the suction pipe 4 to extend, and the extension of the suction pipe 4 will contact the rotatable first guide roller 32 and second guide roller 33, thereby preventing the suction pipe 4 from being worn during the extension process of the movable boom assembly 1, avoiding or reducing the cracking or damage of the suction pipe 4, improving the service life of the suction pipe 4, and avoiding affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe 4. Specifically, in this embodiment, the shape of the first guide roller 32 is cylindrical to avoid or reduce the wear of the suction pipe 4; the shape of the second guide roller 33 is cylindrical to avoid or reduce the wear of the suction pipe 4.
[0083] Preferably, in this embodiment, as Figure 5 shown, the anti-loss mechanism 3 further includes two third guide rollers 34. The two third guide rollers 34 are respectively rotatably arranged corresponding to the tops of the two anti-loss plates 31. The two third guide rollers 34 are respectively connected to the two anti-loss plates 31. The arrangement directions of the two third guide rollers 34 are respectively perpendicular to the arrangement directions of the two anti-loss plates 31. Guide rollers are provided on three sides of the two anti-loss plates 31, namely the first guide roller 32, the second guide roller 33 and the third guide roller 34, and the first guide roller 32, the second guide roller 33 and the third guide roller 34 are rotatably arranged. The extension of the movable boom assembly 1 drives the suction pipe 4 to extend. When the suction pipe 4 extends, it will contact the rotatable first guide roller 32, second guide roller 33 and third guide roller 34, thereby preventing the wear of the suction pipe 4 during the extension of the movable boom assembly 1, avoiding or reducing the cracking or damage of the suction pipe 4, improving the service life of the suction pipe 4, and avoiding affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe 4. Specifically, in this embodiment, the shape of the third guide roller 34 is cylindrical, so as to avoid or reduce the wear of the suction pipe 4. It should be noted that the structure of the anti-loss mechanism 3 in this embodiment is not limited to this, and those skilled in the art can select other suitable anti-loss mechanisms 3 according to the teachings of this embodiment.
[0084] Optionally, in some embodiments, as Figure 5 shown, the first guide roller 32 and the second guide roller 33 are arranged on the inner sides of the two anti-loss plates 31 relative to the movable boom assembly 1, so that the extension of the movable boom assembly 1 drives the suction pipe 4 to extend. When the suction pipe 4 extends, it will first contact the rotatable first guide roller 32 and second guide roller 33, thereby preventing the wear of the suction pipe 4 during the extension of the movable boom assembly 1, avoiding or reducing the cracking or damage of the suction pipe 4, improving the service life of the suction pipe 4, and avoiding affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe 4.
[0085] Optionally, in some embodiments, as Figure 5 shown, arc plates 35 are provided on the left and right sides of the two anti-loss plates 31. The arc plates 35 are integrally formed with the anti-loss plates 31. By providing the arc plates 35, the wear of the suction pipe 4 can be avoided or reduced. Or in other embodiments, the arc plates 35 are fixedly connected to the anti-loss plates 31 by welding.
[0086] Optionally, in some embodiments, as Figures 1 to 5As shown, the movable boom assembly 1 includes a plurality of movable booms, the drive mechanism 2 includes a plurality of drive components, the plurality of movable booms are sequentially hinged to each other, the plurality of drive components are connected to the plurality of movable booms, and the plurality of drive components are used to drive the plurality of movable booms to extend or contract, so as to expand the extension range of the movable boom assembly 1 and expand the operation range of the suction pipe 4.
[0087] Specifically, in this embodiment, as Figure 3 shown, the suction device 300 of the suction excavator further includes a suction head 5, and the suction head 5 is used to suck the materials on the ground. The plurality of movable booms include a first movable boom 11, a second movable boom 12, a third movable boom 13, a fourth movable boom 14 and a fifth movable boom 15; the first movable boom 11 is connected to the frame assembly 100 of the suction excavator, and the first movable boom 11, the second movable boom 12, the third movable boom 13, the fourth movable boom 14 and the fifth movable boom 15 are sequentially hinged to each other; the suction head 5 is connected to the fifth movable boom 15, and the other end of the suction pipe 4 is detachably connected to the suction head 5 through a quick-connect joint. When the fan 400 in the suction excavator works, a negative pressure is generated in the operation box 200, and the suction head 5 sucks the materials on the ground and inhales them into the operation box 200 through the suction pipe 4.
[0088] Furthermore, in some embodiments, as Figure 3As shown, multiple said driving components include a first driving oil cylinder 21, a second driving oil cylinder 22, a third driving oil cylinder 23, and a fourth driving oil cylinder 24; one end of the first driving oil cylinder 21 is connected to the first movable arm 11, the other end of the first driving oil cylinder 21 is hinged to the second movable arm 12, and the first driving oil cylinder 21 is used to drive the second movable arm 12 to extend or contract, so as to expand the extension range of the movable arm frame assembly 1 and expand the operation range of the suction pipe 4. One end of the second driving oil cylinder 22 is connected to the second movable arm 12, the other end of the second driving oil cylinder 22 is hinged to the third movable arm 13, and the second driving oil cylinder 22 is used to drive the third movable arm 13 to extend or contract; thus expanding the extension range of the movable arm frame assembly 1 and expanding the operation range of the suction pipe 4. One end of the third driving oil cylinder 23 is connected to the third movable arm 13, the other end of the third driving oil cylinder 23 is hinged to the fourth movable arm 14, and the third driving oil cylinder 23 is used to drive the fourth movable arm 14 to extend or contract; thus expanding the extension range of the movable arm frame assembly 1 and expanding the operation range of the suction pipe 4. One end of the fourth driving oil cylinder 24 is connected to the fourth movable arm 14, and the other end of the fourth driving oil cylinder 24 is hinged to the fifth movable arm 15. The fourth driving oil cylinder 24 is used to drive the fifth movable arm 15 to extend or contract. Thus expanding the extension range of the movable arm frame assembly 1 and expanding the operation range of the suction pipe 4. Among them, the driving component can also be a driving cylinder or a driving electric cylinder, etc. It should be noted that the structure of the movable arm frame assembly 1 in this embodiment is not limited to this, and those skilled in the art can select other suitable movable arm frame assemblies 1 according to the teachings of this embodiment.
[0089] Optionally, in some embodiments, as Figure 3 shown, the suction device 300 of the suction excavator truck further includes a slewing mechanism 6. The slewing mechanism 6 is arranged on the frame assembly 100 of the suction excavator truck, and the movable arm frame assembly 1 is arranged on the slewing mechanism 6. The slewing mechanism 6 is used for slewing left and right to drive the movable arm frame assembly 1 to slewing left and right, so as to expand the extension range of the movable arm frame assembly 1 and expand the operation range of the suction pipe 4. Among them, the slewing mechanism 6 is a slewing bearing, and the slewing bearing is driven to slewing by a hydraulic motor.
[0090] Please refer to Figures 1 to 5, this embodiment also relates to a suction excavation vehicle, which includes a frame assembly 100, an operation box 200, and the suction device 300 of the suction excavation vehicle according to any one of the above embodiments. The frame assembly 100 serves as the frame structure of the whole vehicle and is the base of the whole vehicle. It supports and connects the various assemblies of the whole vehicle, keeps the various assemblies in relatively correct positions, and bears various loads inside and outside the vehicle. The operation box 200 is arranged on the frame assembly 100 and can be used to store materials. The suction device 300 is arranged on the frame assembly 100 and is used to extract the materials on the ground into the operation box 200. Specifically, the materials in this embodiment are tiles, bricks, cement steel bars, soil, etc.
[0091] Specifically, in the suction excavation vehicle of this embodiment, as Figures 1 to 5 shown, during the emergency rescue operation, the fan 400 in the suction excavation vehicle works, causing a negative pressure in the operation box 200. The suction head 5 sucks the materials on the ground and inhales them into the operation box 200 through the suction pipe 4. The suction pipe 4 passes through the two anti-damage plates 31 and is attached to the first movable arm 11, the second movable arm 12, the third movable arm 13, the fourth movable arm 14, and the fifth movable arm 15. The first driving oil cylinder 21, the second driving oil cylinder 22, the third driving oil cylinder 23, and the fourth driving oil cylinder 24 drive the first movable arm 11, the second movable arm 12, the third movable arm 13, the fourth movable arm 14, and the fifth movable arm 15 to extend, thereby driving the suction pipe 4 on the movable arm frame assembly 1 to extend, so as to expand the operation range of the suction pipe 4. Since guide rollers, namely the first guide roller 32, the second guide roller 33, and the third guide roller 34, are provided on three sides of the two anti-damage plates 31, and the first guide roller 32, the second guide roller 33, and the third guide roller 34 are rotatably arranged, when the movable arm frame assembly 1 extends to drive the suction pipe 4 to extend, the suction pipe 4 will contact the rotatable first guide roller 32, the second guide roller 33, and the third guide roller 34, thereby preventing the suction pipe 4 from being worn during the extension process of the movable arm frame assembly 1, avoiding or reducing the cracking or damage of the suction pipe 4, improving the service life of the suction pipe 4, and avoiding affecting the emergency rescue efficiency due to the cracking or damage of the suction pipe 4.
[0092] Finally, it should be noted that although the above embodiments have been described in the text and drawings of the specification of this application, the patent protection scope of this application cannot be limited thereby. Any technical solutions generated by equivalent structure or equivalent process substitution or modification using the content recorded in the text and drawings of the specification of this application based on the essential concept of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included in the patent protection scope of this application.
Claims
1. A suction device for a suction excavation vehicle, characterized in that, Comprising: A movable boom assembly, which is arranged on a suction excavator truck; A driving mechanism, which is connected to the movable boom assembly, and the driving mechanism is used to drive the movable boom assembly to extend or contract; An anti-damage mechanism, which is arranged on the movable boom assembly and is connected to the movable boom assembly; And a suction pipe, the suction pipe passes through the anti-damage mechanism and is attached to the movable boom assembly, one end of the suction pipe is connected to the suction excavator truck, the other end of the suction pipe is used for sucking materials, and the anti-damage mechanism is used to limit the suction pipe and prevent the suction pipe from being worn.
2. The suction device of the suction excavation vehicle according to claim 1, characterized in that: There are multiple anti-damage mechanisms, and the multiple anti-damage mechanisms are respectively arranged on the movable boom assembly at intervals, the multiple anti-damage mechanisms are respectively connected to the movable boom assembly, and the suction pipe passes through the multiple anti-damage mechanisms and is attached to the movable boom assembly.
3. The suction device of the suction excavation vehicle according to claim 2, characterized in that: The anti-damage mechanism includes two anti-damage plates, two first guide rollers and two second guide rollers; One of the anti-damage plates is arranged on one side of the movable boom assembly, and the other anti-damage plate is arranged on the other side of the movable boom assembly. The two anti-damage plates are arranged opposite to each other at intervals, and the two anti-damage plates are respectively fixedly connected to the movable boom assembly; The two first guide rollers are respectively rotatably arranged on the left sides of the two anti-damage plates, the two first guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two first guide rollers are respectively parallel to the arrangement directions of the two anti-damage plates; The two second guide rollers are respectively rotatably arranged on the right sides of the two anti-damage plates, the two second guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two second guide rollers are respectively parallel to the arrangement directions of the two anti-damage plates.
4. The suction device of the suction excavation vehicle according to claim 3, characterized in that: The anti-damage mechanism further includes two third guide rollers, the two third guide rollers are respectively rotatably arranged on the tops of the two anti-damage plates, the two third guide rollers are respectively connected to the two anti-damage plates, and the arrangement directions of the two third guide rollers are respectively perpendicular to the arrangement directions of the two anti-damage plates.
5. The suction device of the suction excavation vehicle according to claim 3, characterized in that: The first guide roller and the second guide roller are arranged on the inner sides of the two anti-damage plates and are biased towards the movable boom assembly.
6. The suction device of the suction excavation vehicle according to claim 3, characterized in that: Arc plates are arranged on the left and right sides of the two anti-damage plates, and the arc plates are integrally formed or fixedly connected with the anti-damage plates.
7. The suction device of the suction excavation vehicle according to claim 1, characterized in that: The movable boom assembly includes multiple movable booms, the driving mechanism includes multiple driving components, the multiple movable booms are sequentially hinged to each other, the multiple driving components are connected to the multiple movable booms, and the multiple driving components are used to drive the multiple movable booms to extend or contract.
8. The suction device of the suction excavation vehicle according to claim 7, characterized in that: The suction device of the suction excavator truck further includes a suction head; The multiple movable booms include a first movable boom, a second movable boom, a third movable boom, a fourth movable boom and a fifth movable boom; The first movable boom is connected to the frame assembly of the suction excavator truck, and the first movable boom, the second movable boom, the third movable boom, the fourth movable boom and the fifth movable boom are sequentially hinged to each other; The suction head is connected to the fifth movable arm, and the other end of the suction pipe is detachably connected to the suction head; The multiple driving components include a first driving oil cylinder, a second driving oil cylinder, a third driving oil cylinder, and a fourth driving oil cylinder; One end of the first driving oil cylinder is connected to the first movable arm, and the other end of the first driving oil cylinder is hinged to the second movable arm. The first driving oil cylinder is used to drive the second movable arm to extend or contract; One end of the second driving oil cylinder is connected to the second movable arm, and the other end of the second driving oil cylinder is hinged to the third movable arm. The second driving oil cylinder is used to drive the third movable arm to extend or contract; One end of the third driving oil cylinder is connected to the third movable arm, and the other end of the third driving oil cylinder is hinged to the fourth movable arm. The third driving oil cylinder is used to drive the fourth movable arm to extend or contract; One end of the fourth driving oil cylinder is connected to the fourth movable arm, and the other end of the fourth driving oil cylinder is hinged to the fifth movable arm. The fourth driving oil cylinder is used to drive the fifth movable arm to extend or contract.
9. The suction device of the suction excavation vehicle according to claim 1 or 8, characterized in that: The suction device of the suction excavator further includes a slewing mechanism. The slewing mechanism is arranged on the suction excavator, and the movable arm frame assembly is arranged on the slewing mechanism. The slewing mechanism is used for slewing left and right to drive the movable arm frame assembly to slewing left and right.
10. A suction excavation vehicle, characterized in that, It includes the suction device of the suction excavator according to any one of claims 1 to 9 above.