CN112498488B - Special vehicle and chassis tail beam assembly thereof - Google Patents
Special vehicle and chassis tail beam assembly thereof Download PDFInfo
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- CN112498488B CN112498488B CN202011460599.9A CN202011460599A CN112498488B CN 112498488 B CN112498488 B CN 112498488B CN 202011460599 A CN202011460599 A CN 202011460599A CN 112498488 B CN112498488 B CN 112498488B
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- tail
- tail beam
- vertical plate
- main body
- beam main
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a special vehicle and a chassis tail beam assembly thereof, wherein the chassis tail beam assembly comprises: the suspension frame comprises a tail beam main body, wherein suspension frame avoiding structures are arranged on two sides of the tail beam main body; the vertical plate assembly comprises a first vertical plate and a second vertical plate which are respectively arranged on two sides of the tail beam main body, and the vertical plate assembly and the tail beam main body enclose a leg avoidance space; the top plate is fixedly connected with the tail beam main body, the first vertical plate and the second vertical plate respectively, a rotary disc is mounted on the top plate through a mounting hole, and the rotary disc is used for being connected with a vehicle upper device; the supporting structure is arranged on the top plate and is respectively connected with the tail cross beam and the longitudinal beam; the two stationary hoe supports are respectively arranged at two ends of the tail beam main body and are used for installing supporting legs. The tail beam device solves the technical problems that an existing tail beam device is single in interface and poor in impact resistance.
Description
Technical Field
The invention belongs to the technical field of special vehicles, and particularly relates to a special vehicle and a chassis tail beam assembly thereof.
Background
At present, in a working site, a plurality of special vehicles need to use supporting leg devices, supporting legs can play a supporting role, the load of bearing parts such as axle tires and the like is reduced, the integral stability of the vehicles is ensured, and the vehicles are prevented from being overturned. The arrangement of the supporting legs on the special vehicle is generally determined according to the distribution of load, a group of supporting legs are usually arranged at the tail part of the vehicle frame, the supporting legs are arranged on the tail beam of the vehicle frame, and the supporting strength is increased through the tail beam structure.
The tail beam is an important bearing structural part of the chassis, generally, holes are formed in the frame longitudinal beam to penetrate through the frame and the frame longitudinal beam is connected into a whole through welding, and the mounting requirement is high. However, in the assembly process of drilling and welding on the frame, the frame is often required to be installed firstly and then welded, and in the installation process, special attention is required to avoid interference on the operation of other parts in the through area, so that the requirement on the arrangement of the vehicle is high. Moreover, the conventional tail beam device has a single function, only provides an interface for the supporting leg, has low integration degree and needs to occupy more space of a frame; and bearing capacity is lower, and most tail boom structures mainly bear static load, and to dynamic load, especially impact load bearing capacity not enough, bearing direction is single, can only bear the power of vertical direction, bears not enough to other orientation atress.
Therefore, for a special vehicle chassis with compact arrangement, a tail boom assembly with compact space, complete interfaces, reliable structure and strong impact resistance is provided, which is a problem to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a special vehicle and a chassis tail beam assembly thereof, which at least partially solve the technical problems of single interface and poor impact resistance of the conventional tail beam device.
The invention realizes the purpose through the following technical scheme:
a chassis tail boom assembly for a specialty vehicle, comprising:
the suspension frame comprises a tail beam main body, wherein suspension frame avoiding structures are arranged on two sides of the tail beam main body;
the vertical plate assembly comprises a first vertical plate and a second vertical plate which are respectively arranged on two sides of the tail beam main body, and the vertical plate assembly and the tail beam main body enclose a leg avoiding space;
the top plate is fixedly connected with the tail beam main body, the first vertical plate and the second vertical plate respectively, a rotary disc is mounted on the top plate through a mounting hole, and the rotary disc is used for being connected with a vehicle upper device;
the supporting structure is arranged on the top plate and is respectively connected with the tail cross beam and the longitudinal beam;
the two stationary hoe supports are respectively arranged at two ends of the tail beam main body and are used for installing supporting legs.
Further, the tail beam main body is of a box type structure, and a reinforcing rib assembly is arranged inside the box type structure.
Further, the reinforcing rib assembly comprises a plurality of transverse rib plates and a plurality of longitudinal rib plates, each transverse rib plate divides the tail beam body into a plurality of layers, and the longitudinal rib plates are distributed in a radial shape.
Furthermore, two sides of the tail beam main body are of a stepped structure, the upper part of the stepped structure is close to the front side of the vehicle, and the lower part of the stepped structure is close to the rear side of the vehicle, and the stepped structure forms the suspension avoiding structure.
Furthermore, the standing hoe support is a box-shaped seat, a slotted structure is arranged in the middle of the box-shaped seat, a support lug is mounted on the box-shaped seat, and the movable cylinder and the support leg body are mounted through the support lug.
Further, the supporting structure comprises a square body, and an opening of the square body is opposite to the mounting opening in the top plate.
Further, the supporting structure further comprises a transverse plate and a vertical plate which are arranged on the square body, and the transverse plate and the vertical plate are arranged at positions away from the opening.
Furthermore, the supporting structure further comprises a plurality of groups of reinforcing plates, each reinforcing plate is arranged between the transverse plate and the vertical plate, and each reinforcing plate is distributed in a radial shape.
Further, first riser with the second riser is L type structure, just the limit of bending of L type structure is towards the tail-boom center, first riser with all seted up the axle semi-axis on the second riser and dodged the hole.
The invention also provides a special vehicle which comprises the chassis tail beam assembly.
In one or more specific embodiments, the chassis tail boom assembly provided by the invention comprises the following technical effects:
in the chassis tail beam assembly provided by the invention, the tail beam main body is box-shaped, the reinforcing ribs are arranged in the tail beam main body, the left side and the right side of the front end are step-shaped, the upper part is close to the front part and the lower part is close to the back part, the strength is ensured, and meanwhile, the mounting space is reserved for suspension systems on two sides of a frame; meanwhile, the middle of the lower part of the tail beam main body protrudes forwards to reserve an installation space for the oil cylinder, and two ends of the rear part are provided with hoe mounting interfaces. The tail beam main body is connected with a supporting structure in front through vertical plates on the left side and the right side to form a large-frame tail beam assembly. Leave the sky below the big frame afterbody roof beam, reserve installation space for the axle, arrange the gyration dish above the roof, supply to install equipment and use. A step-shaped end face is reserved at the tail end of the frame longitudinal beam, the large frame tail beam assembly and the frame longitudinal beam are welded together, a using space of an upper assembling system is arranged above the tail beam, and an installation space of an axle structure is arranged below the middle of the tail beam. Therefore, the chassis tail beam assembly is compact in structure, can be highly integrated with a frame, reduces occupied space, provides interfaces for a plurality of systems, is high in bearing capacity and impact resistance, and solves the technical problems that an existing tail beam device is single in interface and poor in impact resistance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a tail boom assembly of a chassis provided in the present invention;
fig. 2 is an exploded view of the chassis tail boom assembly shown in fig. 1.
Description of reference numerals:
1-tail beam main body 2-stationary hoe support 3-rotary disc 4-supporting structure 5-first vertical plate
6-second vertical plate 7-top plate
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an embodiment of a chassis tail boom assembly provided in the present invention; fig. 2 is an exploded view of the chassis tail boom assembly shown in fig. 1.
In a specific embodiment, the chassis tail boom assembly provided by the invention is used for special vehicles and comprises a tail boom main body 1, a vertical plate assembly, a top plate 7, a supporting structure 4 and a hoe holder 2. The suspension frame avoiding structure is arranged on two sides of the tail beam main body 1 and is used as an installation interface of the suspension frame; the vertical plate assembly comprises a first vertical plate 5 and a second vertical plate 6 which are respectively arranged on two sides of the tail beam main body 1, and a supporting leg avoiding space is formed by the vertical plate assembly and the tail beam main body 1 in a surrounding mode.
The top plate 7 is fixedly connected with the tail beam main body 1, the first vertical plate 5 and the second vertical plate 6 respectively, a rotary disc 3 is mounted on the top plate 7 through a mounting hole, and the rotary disc 3 is used for being connected with a vehicle upper device; the supporting structure 4 is arranged on the top plate 7, and the supporting structure 4 is respectively connected with the tail cross beam and the longitudinal beam; the number of the hoe standing supports 2 is two, the two hoe standing supports 2 are respectively installed at two ends of the tail beam main body 1, and the hoe standing supports 2 are used for installing supporting legs.
Specifically, roof 7 covers tail boom main part 1, bearing structure 4, first riser 5 and second riser 6 to connect the tail boom assembly as a whole, gyration dish 3 that the roof 7 top set up provides the installation interface for the facial make-up, leaves the sky below the tail boom, leaves installation space for the axle. The supporting structure 4 is connected with the first vertical plate 5, the second vertical plate 6 and the top plate 7 to form a box-shaped supporting structure 4, and the box-shaped supporting structure has good supporting strength.
The outer sides of a first vertical plate 5 and a second vertical plate 6 of the tail beam assembly (namely the directions in which the two vertical plates are far away from each other) are attached to the inner side surface of the frame, the front end surface of the tail beam main body 1 is attached to the tail end of a longitudinal beam of a vehicle, and the whole tail beam assembly is welded with the longitudinal beam together to form a stable connection relation. The tail beam assembly is 10 to 20 centimeters higher than the upper plane of the vehicle frame on the whole, and good arrangement space is provided for the upper mounting system.
In order to further increase the supporting strength and thus provide maximum supporting capacity in the case of a limited space occupation, the tail boom body 1 is of a box-type structure, and a reinforcing rib assembly is provided inside the box-type structure. Specifically, the reinforcing rib assembly comprises a plurality of transverse rib plates and a plurality of longitudinal rib plates, each transverse rib plate divides the tail beam body into a plurality of layers, the longitudinal rib plates are radially distributed, and the longitudinal rib plates radially face the center of the big tail beam, so that stress is uniformly transmitted.
The two sides of the tail beam main body 1 are of a step-shaped structure, the upper part of the step-shaped structure is close to the front side of the vehicle, the lower part of the step-shaped structure is close to the rear side of the vehicle, and the step-shaped structure forms the suspension frame avoiding structure. That is, the left side and the right side of the front end of the tail beam main body 1 are in a step shape, the upper part is close to the front, the lower part is close to the back, so that the mounting space is reserved for suspension systems on two sides of a frame while the strength is ensured; the middle of the lower part of the tail beam main body 1 protrudes forwards and is level with the front part of the upper part, the middle part of the tail beam is reserved with a mounting space for the supporting leg oil cylinder, and the rear end of the tail beam main body 1 can be reserved with a groove to reserve a mounting space for an upper mounting system.
In this specific embodiment, the stationary hoe support 2 is a box-shaped seat, a slotted structure is provided in the middle of the box-shaped seat, a support lug is installed on the box-shaped seat, and the actuating cylinder and the support leg body are installed through the support lug. Specifically, two ends behind the tail beam are provided with a hoe supporting seat 2, supporting legs can be installed on the hoe supporting seat 2, the hoe supporting seat 2 is of a box-shaped structure, a groove is formed in the middle of the hoe supporting seat, two supporting lugs are arranged above the hoe supporting seat, one supporting lug is arranged below the hoe supporting seat, a moving cylinder is installed above the hoe supporting seat, a supporting leg body is installed below the hoe supporting seat, the supporting legs can be driven by an oil cylinder, the direction of the locking rear supporting legs can face the center of the tail beam, and 65 tons of impact loads can be borne at the highest.
The supporting structure 4 comprises a square body, and an opening of the square body is opposite to the mounting opening on the top plate 7. Like this, bearing structure 4 is the square type, and the space is left in the middle of it, bearing structure 4 still including install in diaphragm and riser on the square type body, the diaphragm with the position that sets up of riser avoids the opening.
Further, the supporting structure 4 further includes a plurality of sets of reinforcing plates, each of the reinforcing plates is disposed between the horizontal plate and the vertical plate, and each of the reinforcing plates is radially distributed.
Specifically, first riser 5 with second riser 6 is L type structure, just the limit of bending of L type structure is towards the tail-boom center, first riser 5 with all seted up the axle semi-axis on the second riser 6 and dodged the hole. The two vertical plates are L-shaped, the bending edges face the center of the tail beam, the tail portions of the vertical plates are in a step shape and are consistent with the tail beam main body 1, the inner sides of the two vertical plates are welded with the tail beam main body 1, and holes are formed in the positions, close to the tail beam, of the two vertical plates to make room for the axle half shaft.
In the above embodiment, in the chassis tail beam assembly provided by the present invention, the tail beam main body 1 is box-shaped, the reinforcing ribs are arranged inside, the left and right sides of the front end are step-shaped, and the upper part is close to the front and the lower part is close to the rear part, so that while the strength is ensured, an installation space is reserved for the suspension systems on the two sides of the frame; meanwhile, the middle of the lower part of the tail beam main body 1 protrudes forwards to reserve an installation space for the oil cylinder, and two ends of the rear part are provided with mounting interfaces of the stationary hoe. The tail beam main body 1 is connected with the supporting structure 4 in front through vertical plates on the left side and the right side to form a large-frame tail beam assembly. Leave the sky below the big frame tailboom, reserve installation space for the axle, arrange gyration dish 3 above roof 7, supply to install equipment and use. A step-shaped end face is reserved at the tail end of the frame longitudinal beam, the large frame tail beam assembly is welded with the frame longitudinal beam, a use space of an upper mounting system is arranged above the tail beam, and an installation space of an axle structure is arranged below the middle of the tail beam. Therefore, the chassis tail beam assembly is compact in structure, can be highly integrated with a frame, reduces occupied space, provides interfaces for a plurality of systems, is high in bearing capacity and impact resistance, and solves the technical problems that an existing tail beam device is single in interface and poor in impact resistance.
In addition to the above-mentioned chassis tail beam assembly, the present invention also provides a special vehicle including the chassis tail beam assembly, and the structure of other parts of the special vehicle is referred to the prior art and is not described herein again.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the invention.
Claims (5)
1. A chassis tail boom assembly for a specialty vehicle, comprising:
the tail beam comprises a tail beam main body (1), wherein suspension avoidance structures are arranged on two sides of the tail beam main body (1); two sides of the tail beam main body (1) are of a stepped structure, the upper part of the stepped structure is close to the front side of the vehicle, the lower part of the stepped structure is close to the rear side of the vehicle, and the stepped structure forms the suspension frame avoiding structure; the left side and the right side of the front end of the tail beam main body (1) are in a step shape, the upper part is close to the front, the lower part is close to the back, so that the mounting space is reserved for suspension systems on two sides of a frame while the strength is ensured; the middle part of the lower part of the tail beam main body (1) protrudes forwards and is level with the front part of the upper part, the middle part of the tail beam is reserved with a mounting space for the supporting leg oil cylinder, and the rear end of the tail beam main body (1) can be reserved with a groove to reserve a mounting space for an upper mounting system;
the vertical plate assembly comprises a first vertical plate (5) and a second vertical plate (6) which are respectively arranged on two sides of the tail beam main body (1), and a leg avoiding space is enclosed by the vertical plate assembly and the tail beam main body (1); the first vertical plate (5) and the second vertical plate (6) are both L-shaped structures, the bending edge of each L-shaped structure faces the center of the tail beam, and axle half shaft avoiding holes are formed in the first vertical plate (5) and the second vertical plate (6); the outer sides of a first vertical plate (5) and a second vertical plate (6) of the tail beam assembly are attached to the inner side surface of the frame, the front end surface of the tail beam main body (1) is attached to the tail end of a longitudinal beam of a vehicle, and the tail beam assembly is integrally welded with the longitudinal beam to form a stable connection relation;
the top plate (7) is fixedly connected with the tail beam main body (1), the first vertical plate (5) and the second vertical plate (6) respectively, a rotary disc (3) is installed on the top plate (7) through an installation opening, and the rotary disc (3) is used for being connected with a vehicle upper device;
the supporting structure (4) is installed on the top plate (7), and the supporting structure (4) is connected with the tail cross beam and the longitudinal beam respectively; the supporting structure (4) comprises a square body, and an opening of the square body is opposite to the mounting opening on the top plate (7); the supporting structure (4) further comprises a transverse plate and a vertical plate which are arranged on the square-shaped body, and the arrangement positions of the transverse plate and the vertical plate are away from the opening; the supporting structure (4) further comprises a plurality of groups of reinforcing plates, each reinforcing plate is arranged between the transverse plate and the vertical plate, and each reinforcing plate is distributed in a radial shape;
the hoe device comprises two hoe standing supports (2), the two hoe standing supports (2) are respectively installed at two ends of the tail beam main body (1), and the hoe standing supports (2) are used for installing supporting legs.
2. The chassis tail boom assembly according to claim 1, characterized in that the tail boom body (1) is a box-type structure, inside of which a stiffener assembly is arranged.
3. The chassis tail beam assembly according to claim 2, wherein the reinforcing rib component comprises a plurality of transverse rib plates and a plurality of longitudinal rib plates, each transverse rib plate divides the tail beam body into a plurality of layers, and the longitudinal rib plates are radially distributed.
4. The chassis tail beam assembly according to claim 1, characterized in that the hoe stay (2) is a box-shaped seat, the middle of the box-shaped seat is provided with a slotted structure, and the box-shaped seat is provided with a support lug, and a shipping cylinder and a support leg body are mounted through the support lug.
5. A specialty vehicle comprising a chassis tail boom assembly according to any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460599.9A CN112498488B (en) | 2020-12-11 | 2020-12-11 | Special vehicle and chassis tail beam assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011460599.9A CN112498488B (en) | 2020-12-11 | 2020-12-11 | Special vehicle and chassis tail beam assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112498488A CN112498488A (en) | 2021-03-16 |
| CN112498488B true CN112498488B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011460599.9A Active CN112498488B (en) | 2020-12-11 | 2020-12-11 | Special vehicle and chassis tail beam assembly thereof |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3601459A1 (en) * | 1986-01-20 | 1987-07-23 | Krone Bernhard Gmbh Maschf | TRAILER FOR TRUCKS |
| US9656702B2 (en) * | 2011-11-07 | 2017-05-23 | Saf-Holland, Inc. | Fifth wheel hitch support assembly |
| CN103192882B (en) * | 2013-04-10 | 2016-01-13 | 徐州徐工施维英机械有限公司 | Framework type frame structure and concrete pump truck |
| US20150084309A1 (en) * | 2013-09-20 | 2015-03-26 | Deere & Company | Work vehicle chassis articulation joint |
| CN203666774U (en) * | 2013-11-06 | 2014-06-25 | 徐州重型机械有限公司 | Base ring support and wheeled crane chassis frame structure |
| CN204137115U (en) * | 2014-07-29 | 2015-02-04 | 徐州徐工挖掘机械有限公司 | Engineering machinery chassis H shelf structure |
| CN112026926A (en) * | 2020-08-24 | 2020-12-04 | 东风汽车集团有限公司 | Military vehicle weapon carrying and mounting structure |
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2020
- 2020-12-11 CN CN202011460599.9A patent/CN112498488B/en active Active
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