CN218616929U - Cab rear suspension device and vehicle - Google Patents
Cab rear suspension device and vehicle Download PDFInfo
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- CN218616929U CN218616929U CN202223116557.0U CN202223116557U CN218616929U CN 218616929 U CN218616929 U CN 218616929U CN 202223116557 U CN202223116557 U CN 202223116557U CN 218616929 U CN218616929 U CN 218616929U
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- shaft assembly
- cab
- lock
- locking
- suspension device
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Abstract
The application provides suspension device and vehicle behind driver's cabin includes: the upper locking bracket, the hydraulic lock, the shaft assembly and the guide cone are arranged; the shaft assembly penetrates through the first mounting hole of the upper locking support, and the shaft assembly is connected with the upper locking support through the locking assembly; the shaft assembly comprises an inner sleeve, a rubber damping layer and an outer sleeve, the rubber damping layer is arranged on the outer wall of the inner sleeve, and the outer sleeve is sleeved outside the rubber damping layer, so that the structure can absorb high-frequency vibration and has a damping effect; the guide cone sets up to two, respectively the suit on the outer sleeve to, two guide cones are located the inboard of the first connecting hole of locking support respectively, and the guide cone plays the driver's cabin and falls the in-process and prevents the axle subassembly for the effect of lock body dislocation, so that the middle part of axle subassembly can stretch into the locked groove, and then lock support can go into the lock smoothly when making the driver's cabin fall back.
Description
Technical Field
The utility model relates to a suspension system field of vehicle, concretely relates to suspension device and vehicle behind driver's cabin.
Background
With the development of the transportation industry and the progress of science and technology in China, the requirement of people on the comfort of the heavy-duty truck is higher and higher. At present, domestic main trucks all adopt rear suspension devices with helical springs or air springs, and the structural form can attenuate the vibration transmitted to a cab by a frame and improve the comfort of the cab. However, with the accumulated error of the cab components, the locking bracket is difficult to lock in the process of falling back the cab, and the driving safety is possibly endangered.
Between locking subassembly and the hydraulic pressure lock on among the suspension behind current driver's cabin, through round pin hub connection, promptly: the pin shaft penetrates through the locking assembly, the upper locking assembly is connected with the cab, the hydraulic lock comprises a lock groove and a lock tongue which are connected, when the cab is lifted, the pin shaft is separated from the lock groove of the hydraulic lock, and when the cab drives the upper locking assembly to fall, the pin shaft falls into the lock groove and is limited between the lock body and the lock tongue;
in the existing structure form, the pin shaft cannot absorb high-frequency vibration transmitted by the chassis in the driving process; go up locking subassembly and fall the lock in-process to the round pin axle impact force great, simultaneously, the round pin axle falls into the in-process in hydraulic lock groove and has the error in front and back direction for go up the locking support and go into the lock difficulty.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a suspension device and vehicle behind driver's cabin for the round pin axle that solves prior art existence wears and wears away easily and goes up the technical problem that the locking support goes into the lock difficulty.
In view of the above object, the present application provides, in a first aspect, a cab rear suspension device including: the upper locking bracket, the hydraulic lock, the shaft assembly and the guide cone are arranged;
the upper locking bracket is provided with oppositely arranged first mounting holes for penetrating the shaft assembly;
the hydraulic lock has a lock body with a lock slot to receive the shaft assembly;
the shaft assembly penetrates through the first mounting hole of the upper locking bracket, and the shaft assembly is connected with the upper locking bracket through the locking assembly;
the shaft assembly comprises an inner sleeve, a rubber shock-absorbing layer and an outer sleeve, the rubber shock-absorbing layer is arranged on the outer wall of the inner sleeve, and the outer sleeve is sleeved outside the rubber shock-absorbing layer;
the two guide cones are respectively sleeved on the outer sleeve and are respectively positioned on the inner sides of the first connecting holes of the upper locking support, so that the shaft assembly can be ensured to extend into the locking groove.
Furthermore, the outer wall of the outer sleeve is provided with an annular protruding part, two ends of the protruding part and the outer wall of the outer sleeve form a limiting step surface, and opposite surfaces of the two guide cones respectively abut against the limiting step surface.
Further, the convex part is positioned in the middle of the outer sleeve and used for connecting the locking groove.
Furthermore, a plurality of weight reduction grooves are formed in the guide cone, and the weight reduction grooves are formed in the circumferential direction of the guide cone.
Furthermore, the guide cone is made of nylon.
Furthermore, the locking assembly comprises a locking bolt and a locking nut, the locking bolt penetrates through the inner sleeve, a nut at one end of the locking bolt abuts against the upper locking support, and the locking nut and the end part, extending out of the locking support, of the locking bolt are in threaded connection so as to fix the shaft assembly with the upper locking support.
Furthermore, the upper locking bracket comprises a top plate, a first connecting plate and a second connecting plate, the top plate is used for connecting a cab, the top plate is fixed to the upper portions of the first connecting plate and the second connecting plate, and first mounting holes which are coaxially arranged are formed in the first connecting plate and the second connecting plate respectively.
Furthermore, the hydraulic lock is assembled on a rear suspension lower support assembly, and the rear suspension lower support assembly is used for connecting a vehicle frame
In a second aspect, the present application provides a vehicle including the rear cab suspension device described above.
Adopt above-mentioned technical scheme, suspension device and vehicle behind the driver's cabin that this application provided compares in prior art, and the technological effect that has:
the application provides suspension behind driver's cabin includes: the upper locking bracket, the hydraulic lock, the shaft assembly and the guide cone are arranged; the upper locking bracket is provided with a first mounting hole which is used for penetrating through the shaft assembly and is oppositely arranged; the hydraulic lock is provided with a lock body, and the lock body is provided with a lock groove for accommodating the shaft assembly; the shaft assembly penetrates through the first mounting hole of the upper locking bracket and is connected with the upper locking bracket through the locking assembly; the shaft assembly comprises an inner sleeve, a rubber shock absorption layer and an outer sleeve, the rubber shock absorption layer is arranged on the outer wall of the inner sleeve, the outer sleeve is sleeved outside the rubber shock absorption layer, and rubber is vulcanized with the sleeves made of inner and outer metal materials, so that the structure can absorb high-frequency vibration and deformation and reduce abrasion between the shaft assembly and the hydraulic lock; the guide cones set to be two, suit respectively on the outer sleeve to, two guide cones are located the inboard of the first connecting hole of locking support respectively, and the guide cones can contact the outside of lock body, prevent that the relative hydraulic pressure of axle subassembly from producing the problem of great dislocation when the driver's cabin whereabouts to the middle part that makes the axle subassembly can stretch into the locked groove all the time, and then makes the locking support of locking go into the lock smoothly when the driver's cabin falls back.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rear suspension device of a cab according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of an assembly structure of a guide cone and a shaft assembly provided by an embodiment of the present application;
FIG. 3 is a schematic structural view of an upper locking bracket according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a shaft assembly provided in an embodiment of the present application.
An icon: 100-upper locking bracket; 110-a first mounting hole; 130-a top plate; 140-a first connection plate; 150-a second connecting plate; 200-hydraulic lock; 210-a lock body; 211-locking groove; 300-shaft assembly; 310-an inner sleeve; 320-rubber shock-absorbing layer; 330-an outer sleeve; 331-a boss; 332-a limit step surface; 400-a guide cone; 410-assembly holes; 420-weight reduction slots; 500-a locking assembly; 510-a locking bolt; 520-a locking nut; 600-rear overhang lower support assembly.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a pair of suspension behind driver's cabin, this back suspension have good shock attenuation effect to, can ensure the relative hydraulic lock of axle subassembly and can not produce the dislocation condition when last locking support whereabouts, make the axle subassembly can stretch into the locked groove all the time.
Fig. 1 shows a schematic structural diagram of a rear suspension device of a cab provided in the embodiment; FIG. 2 is a schematic view illustrating an assembly structure of a guide cone and a shaft assembly provided by the present embodiment; FIG. 3 is a schematic structural view of the upper locking bracket provided in the present embodiment; fig. 4 shows a schematic structural diagram of the shaft assembly provided by the present embodiment.
Specifically, as shown in fig. 1, 2, and 3, the cab rear suspension apparatus provided in the present embodiment includes: an upper locking bracket 100, a hydraulic lock 200, a shaft assembly 300 and a guide cone 400;
the upper locking bracket 100 is provided with a first mounting hole 110 which is used for penetrating through the shaft assembly 300 and is oppositely arranged;
the hydraulic lock 200 is provided with a lock body 210, the lock body 210 is provided with a lock groove 211 for accommodating the shaft assembly 300, the hydraulic lock 200 is used for ensuring that the shaft assembly 300 is limited in the lock groove 211 through a lock tongue in the driving process of a vehicle, and when a driver needs to overturn a cab, the hydraulic lock 200 can be normally unlocked, so that the shaft assembly 300 can be separated from the lock groove 211, and the cab can be smoothly overturned. It should be noted that the hydraulic lock 200 is a conventional component in the prior art, and therefore, the structure thereof will not be described in detail in this embodiment.
The shaft assembly 300 is arranged on the two oppositely arranged first mounting holes 110 of the upper locking bracket 100 in a penetrating way, and the shaft assembly 300 is connected with the upper locking bracket 100 through the locking assembly 500;
more specifically, the shaft assembly 300 includes an inner sleeve 310, a rubber cushion 320, and an outer sleeve 330; the inner sleeve 310 and the outer sleeve 330 are made of metal, the rubber shock absorption layer 320 is arranged on the outer wall of the inner sleeve 310, and the outer sleeve 330 is sleeved outside the rubber shock absorption layer 320; that is, the rubber damper 320 is disposed between the inner sleeve 310 and the outer sleeve 330, and the rubber damper 320, the inner sleeve 310 and the outer sleeve 330 are manufactured by a vulcanization process; the shaft assembly 300 of such a structure can absorb high-frequency vibration, absorb deformation, and reduce abrasion with the hydraulic lock 200;
the guide cones 400 are two, the middle of the guide cones 400 is provided with the assembly hole 410, the guide cones 400 are respectively sleeved on the outer sleeve 330 through the assembly hole 410, and the two guide cones 400 are respectively positioned at the inner sides of the two first connection holes 110 of the upper locking bracket 100 and are used for contacting the outer side of the lock body 210, so that the problem that the shaft assembly 300 generates large dislocation relative to the hydraulic lock 200 when the cab falls is prevented, the shaft assembly 300 can always extend into the lock groove 211, and then the connection with the hydraulic lock 200 is realized.
In an alternative embodiment, referring to fig. 4, the outer wall of the outer sleeve 330 is provided with an annular protrusion 331, the protrusion 331 is located in the middle of the outer sleeve 330, two ends of the protrusion 331 and the outer wall of the outer sleeve 330 form a limiting step surface 332, opposite surfaces of the two guide cones 400 respectively abut against the limiting step surface 332, and by providing the protrusion 331, on one hand, the axial limiting function of the guide cone 400 is achieved, and on the other hand, the fitting function with the locking groove 211 of the hydraulic lock 200 is achieved.
In an alternative embodiment, the guide cone 400 is provided with a plurality of weight-reducing grooves 420, the weight-reducing grooves 420 are arranged in the circumferential direction of the guide cone 400, and the weight-reducing grooves 420 play a role in reducing weight of the guide cone 400.
In an optional embodiment, the guide cone 400 is made of nylon, and has the characteristics of high mechanical strength, good toughness, higher tensile strength and compressive strength, and more outstanding fatigue resistance. Thus, in the falling process of the shaft assembly 300, even if the shaft assembly moves in the front-rear direction, the middle part of the shaft assembly 300 can fall into the lock groove 211 by the contact of the conical surface of the guide cone 400 and the outer side of the lock body 210, and meanwhile, the guide cone 400 is made of nylon, so that the problems of vibration and abrasion caused by rigid contact between the guide cone 400 and the lock body 210 can be reduced.
In an alternative embodiment, the locking assembly 500 includes a locking bolt 510 and a locking nut 520, the locking bolt 510 is disposed through the inner sleeve 310, a nut at one end of the locking bolt 510 abuts against the upper locking bracket 100, and the locking nut 520 is threadedly coupled to an end of the locking bolt 510 extending out of the locking bracket 100 to fix the shaft assembly 300 to the upper locking bracket 100.
In this embodiment, the upper locking bracket 100 includes a top plate 130, a first connecting plate 140 and a second connecting plate 150, the top plate 130 is used for connecting the cab, the top plate 130 is fixed on the upper portions of the first connecting plate 140 and the second connecting plate 150, and the whole body has an inverted U-shaped structure, and the first connecting plate 140 and the second connecting plate 150 are respectively provided with first mounting holes 110 coaxially arranged.
In this embodiment, the hydraulic lock 200 is assembled on the rear suspension lower support assembly 600, and the rear suspension lower support assembly 600 is used for connecting the frame.
The working principle of the cab rear suspension device provided in the present embodiment is explained as follows:
in the rear suspension device of the cab, a shaft assembly 300 comprises an inner sleeve 310, a rubber shock absorption layer 320 and an outer sleeve 330, wherein the rubber shock absorption layer 320 is arranged on the outer wall of the inner sleeve 310, the outer sleeve 330 is sleeved outside the rubber shock absorption layer 320, and rubber and sleeves made of inner and outer metal materials are vulcanized, so that the structure can absorb high-frequency vibration and deformation and reduce abrasion between the shaft assembly 300 and a hydraulic lock 200; the guide cones 400 are arranged in two numbers and are respectively sleeved on the outer sleeve 330, and the two guide cones 400 are respectively positioned on the inner sides of the first connecting holes 110 of the upper locking support 100, so that the guide cones 400 can contact the outer side of the lock body 210 in the falling process of the shaft assembly 300, the problem that the shaft assembly 300 is staggered relative to the hydraulic lock 200 when the cab falls is solved, the middle of the shaft assembly 300 can always extend into the lock groove 211, and the upper locking support 100 can smoothly enter the lock when the cab falls back.
In addition, the embodiment also provides a vehicle, which comprises a vehicle body, a cab and the cab rear suspension device;
in practical application, the upper locking support frame assembly is connected with the cab through a connecting piece;
the hydraulic lock 200 is assembled on the rear suspension lower support assembly 600, and the rear suspension lower support assembly 600 is used for connecting a vehicle frame.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A cab rear suspension device, comprising: the upper locking bracket, the hydraulic lock, the shaft assembly and the guide cone are arranged;
the upper locking bracket is provided with oppositely arranged first mounting holes for penetrating the shaft assembly;
the hydraulic lock has a lock body with a lock slot to receive the shaft assembly;
the shaft assembly penetrates through the first mounting hole of the upper locking bracket, and the shaft assembly is connected with the upper locking bracket through the locking assembly;
the shaft assembly comprises an inner sleeve, a rubber shock-absorbing layer and an outer sleeve, the rubber shock-absorbing layer is arranged on the outer wall of the inner sleeve, and the outer sleeve is sleeved outside the rubber shock-absorbing layer;
the two guide cones are respectively sleeved on the outer sleeve, and are respectively positioned on the inner sides of the first connecting holes of the upper locking bracket, so that the shaft assembly can extend into the locking groove.
2. The cab rear suspension device according to claim 1, wherein an annular protruding portion is provided on an outer wall of the outer sleeve, two ends of the protruding portion and the outer wall of the outer sleeve form a limiting step surface, and opposite surfaces of the two guide cones respectively abut against the limiting step surface.
3. The cab rear suspension device according to claim 2, wherein the projection is located at a middle portion of the outer sleeve for engaging a lock groove.
4. The cab rear suspension device according to claim 1, wherein the pilot cone is provided with a plurality of weight reduction grooves, and the weight reduction grooves are arranged in a circumferential direction of the pilot cone.
5. The cab rear suspension device of claim 1, wherein the guide cone is made of nylon.
6. The cab rear suspension device according to claim 1, wherein the locking assembly includes a locking bolt and a locking nut, the locking bolt is disposed through the inner sleeve, a nut at one end of the locking bolt abuts against the upper locking bracket, and the locking nut is in threaded connection with an end portion of the locking bolt extending out of the locking bracket, so as to fix the shaft assembly and the upper locking bracket.
7. The rear suspension device for the cab as claimed in claim 1, wherein the upper locking bracket includes a top plate for connecting the cab, a first connecting plate and a second connecting plate, the top plate being fixed to upper portions of the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate being provided with first mounting holes coaxially arranged, respectively.
8. The cab rear suspension device according to claim 1, wherein the hydraulic lock is mounted on a rear under-suspension support assembly for connection to a vehicle frame.
9. A vehicle characterized by comprising the rear cab suspension of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223116557.0U CN218616929U (en) | 2022-11-23 | 2022-11-23 | Cab rear suspension device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223116557.0U CN218616929U (en) | 2022-11-23 | 2022-11-23 | Cab rear suspension device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218616929U true CN218616929U (en) | 2023-03-14 |
Family
ID=85449635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223116557.0U Active CN218616929U (en) | 2022-11-23 | 2022-11-23 | Cab rear suspension device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218616929U (en) |
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2022
- 2022-11-23 CN CN202223116557.0U patent/CN218616929U/en active Active
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