CN113119710B - Engine suspension cushion assembly of medium and heavy commercial vehicle - Google Patents
Engine suspension cushion assembly of medium and heavy commercial vehicle Download PDFInfo
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- CN113119710B CN113119710B CN202110600991.7A CN202110600991A CN113119710B CN 113119710 B CN113119710 B CN 113119710B CN 202110600991 A CN202110600991 A CN 202110600991A CN 113119710 B CN113119710 B CN 113119710B
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- 239000000725 suspension Substances 0.000 title claims abstract description 37
- 230000006835 compression Effects 0.000 description 19
- 238000007906 compression Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 17
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000009191 jumping Effects 0.000 description 5
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1275—Plastically deformable supports
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Abstract
The invention discloses a middle and heavy type commercial vehicle engine suspension cushion assembly, which relates to the field of middle and heavy type commercial vehicle power assembly suspension systems and comprises an upper cushion assembly, a lower cushion assembly, a bracket and a bracket, wherein the upper cushion assembly comprises an upper cushion upper framework, an upper cushion lower framework and upper cushion rubber positioned between the upper cushion upper framework and the upper cushion lower framework; the lower cushion assembly comprises a lower cushion upper framework, a lower cushion lower framework and lower cushion rubber positioned between the lower cushion upper framework and the lower cushion lower framework; one end of the bracket extends out and is positioned above the upper cushion upper framework; the bracket comprises an extension part positioned between the upper cushion assembly and the lower cushion assembly, and the lower end of the upper cushion upper framework penetrates through the extension part and the lower cushion assembly and is abutted against the lower cushion lower framework. The invention can effectively avoid the phenomenon of pulling, separating and tearing of rubber and ensure the use safety of the suspension cushion assembly.
Description
Technical Field
The invention relates to the field of power assembly suspension systems of medium and heavy commercial vehicles, in particular to a suspension cushion assembly of an engine of a medium and heavy commercial vehicle.
Background
Currently, the suspension cushion assembly is a block sandwich structure, and the suspension cushion assembly is vulcanized into a whole by three parts of an upper framework, rubber and a lower framework, as shown in fig. 1, one end of the rubber is connected with the upper framework, and the other end of the rubber is connected with the lower framework. When the whole vehicle is installed, the upper framework is connected with the support through the bolt, the lower framework is connected with the bracket through the bolt, the support is connected with the power assembly, and the bracket is connected with the vehicle frame assembly, as shown in fig. 2.
However, after the current suspension cushion assembly structure is put into the market, the overall reliability performance is general, and the rubber is easy to break and tear under severe working conditions, and the main reasons are as follows: 1. when the power assembly has a jump-up working condition, the rubber is in a stretching state, and the rubber is easy to pull off and tear due to no reliable limit; 2. when the whole vehicle is started in an emergency or is in a parking working condition, the power assembly is large in displacement, the rubber part is large in deformation, the lower framework is easy to jump to the outside of the upper framework, the lower framework cannot normally return, and the rubber is prone to being pulled off and torn.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a suspension cushion assembly of an engine of a medium-heavy commercial vehicle, which can effectively avoid the phenomenon of pulling-off and tearing of rubber and ensure the use safety of the suspension cushion assembly.
In order to achieve the above purpose, the invention adopts the technical scheme that the method comprises the following steps:
the upper cushion assembly comprises an upper cushion upper framework, an upper cushion lower framework and upper cushion rubber positioned between the upper cushion upper framework and the upper cushion lower framework;
the lower cushion assembly comprises a lower cushion upper framework, a lower cushion lower framework and lower cushion rubber positioned between the lower cushion upper framework and the lower cushion lower framework;
one end of the support extends out and is positioned above the upper cushion upper framework;
the bracket, the bracket is including being located go up the extension between cushion assembly and the lower cushion assembly, the lower extreme of skeleton passes on the last cushion extension and cushion assembly down to support and hold under the cushion on the skeleton, be equipped with the spacing ring in the extension, the skeleton is located down on the cushion the spacing ring.
On the basis of the technical scheme, the upper cushion upper framework comprises:
the sleeve is of a hollow structure, penetrates through the extension part and the lower cushion assembly and abuts against the lower cushion lower framework;
the flat plate is fixed at the upper end of the sleeve, the flat plate and the sleeve are vertically arranged, the center of the flat plate is provided with a hole, and the hole diameter of the hole is the same as the inner diameter of the sleeve.
On the basis of the technical scheme, a central long bolt is arranged in the sleeve and penetrates through the support and the sleeve, and the lower end of the central long bolt extends out of the lower end of the sleeve.
On the basis of the technical scheme, the upper cushion lower framework comprises:
the horizontal part is provided with a hole in the center;
be located the horizontal part below and be fixed in the vertical part on the hole, the vertical part is cylindricly, the internal diameter of horizontal part is the same with the aperture in hole, the sleeve pipe passes hole and vertical part on the horizontal part to support and hold the upper surface of skeleton on the cushion down, it is located to go up cushion rubber between flat board and the horizontal part, and the cover is located on the sleeve pipe.
On the basis of the above technical solution, the horizontal portion is located on an upper surface of the extension portion.
On the basis of the technical proposal, the device comprises a shell,
the upper surface of the upper cushion rubber is connected with the lower surface of the flat plate;
the lower surface of the upper cushion rubber is connected with the upper surface of the horizontal part.
On the basis of the technical scheme, the extending part is provided with a central mounting hole, and the sleeve penetrates through the central mounting hole.
On the basis of the technical scheme, the limiting ring is located on the lower surface of the extending portion and comprises a plurality of bosses, the bosses are evenly arranged in the circumferential direction of the central mounting hole, and gaps are formed among the bosses.
On the basis of the technical scheme, the lower cushion upper framework is positioned in the gap between the bosses.
On the basis of the technical scheme, the lower end of the sleeve penetrates through the center of the upper framework of the lower cushion and abuts against the upper surface of the lower framework of the lower cushion, and the lower cushion rubber sleeve is arranged on the sleeve.
Compared with the prior art, the invention has the advantages that: through the setting of last cushion assembly and lower cushion assembly, and set up the extension of bracket between last cushion assembly and the lower cushion assembly, it sets up the support to go up cushion assembly top, with the support, go up the cushion assembly, the fastening is connected to bracket extension and lower cushion assembly, and carry on spacingly to lower cushion assembly through the spacing ring in the extension, make suspension cushion assembly be in compression state all the time in the course of the work, effectively avoid rubber to appear drawing to take off tearing phenomenon, guarantee suspension cushion assembly's safe in utilization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 view of a prior art suspension cushion assembly;
FIG. 2 is a schematic view of a prior art suspension cushion assembly coupled to a bracket and bracket;
FIG. 3 is a schematic structural diagram of an engine suspension cushion assembly of a medium and heavy commercial vehicle according to an embodiment of the present invention;
FIG. 4 is a schematic view of the upper cushion assembly of an embodiment of the present invention;
FIG. 5 is a schematic structural view of a bracket according to an embodiment of the present invention;
fig. 6 is a schematic view of the construction of the lower cushion assembly in an embodiment of the present invention.
In the figure: 1-upper cushion assembly, 2-lower cushion assembly, 3-support, 4-bracket, 5-upper cushion upper framework, 6-upper cushion lower framework, 7-upper cushion rubber, 8-lower cushion upper framework, 9-lower cushion lower framework, 10-lower cushion rubber, 11-extension part, 12-central long bolt, 13-sleeve pipe, 14-flat plate, 15-horizontal part, 16-vertical part, 17-limiting ring, 18-central mounting hole and 19-lug boss.
Detailed Description
The embodiment of the invention provides a middle-heavy type commercial vehicle engine suspension cushion assembly, which is characterized in that an upper cushion assembly 1 and a lower cushion assembly 2 are arranged, an extending part 11 of a bracket 4 is arranged between the upper cushion assembly 1 and the lower cushion assembly 2, a bracket 3 is arranged above the upper cushion assembly 1, the bracket 3, the upper cushion assembly 1, the extending part 11 of the bracket 4 and the lower cushion assembly 2 are connected and fastened, and the lower cushion assembly 2 is limited by a limiting ring 17 on the extending part 11, so that the suspension cushion assembly is always in a compression state in the working process, the phenomenon that rubber is pulled off and torn is effectively avoided, and the use safety of the suspension cushion assembly is ensured.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 3 and 4, the embodiment of the invention provides a middle and heavy type commercial vehicle engine suspension cushion assembly, which comprises an upper cushion assembly 1, a lower cushion assembly 2, a bracket 3 and a bracket 4. When the suspension cushion assembly is installed and used, the support 3 is connected with the power assembly, and the bracket 4 is connected with the frame assembly.
In the embodiment of the invention, the upper cushion assembly 1 comprises an upper cushion upper framework 5, an upper cushion lower framework 6 and an upper cushion rubber 7 positioned between the upper cushion upper framework 5 and the upper cushion lower framework 6; the lower cushion assembly 2 comprises a lower cushion upper framework 8, a lower cushion lower framework 9 and lower cushion rubber 10 positioned between the lower cushion upper framework 8 and the lower cushion lower framework 9; one end of the bracket 3 extends out and is positioned above the upper cushion upper framework 5; bracket 4 is including being located go up extension 11 between cushion assembly 1 and the lower cushion assembly 2, the lower extreme of going up cushion upper skeleton 5 passes extension 11 and lower cushion assembly 2 to support and hold under the cushion on skeleton 9, be equipped with spacing ring 17 on the extension 11, cushion upper skeleton 8 is located down in the spacing ring 17.
Through the cooperation of last cushion assembly 1 and lower cushion assembly 2, when power assembly jumps down, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, when power assembly jumps up, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, make and go up cushion rubber 7 and lower cushion rubber 10 and be in the state of compression all the time in work, be difficult for appearing drawing to take off tearing phenomenon. The upper cushion lower framework 6 of the upper cushion assembly 1 is inserted into the central mounting hole 18 of the bracket 4, the upper cushion assembly 1 cannot be separated from the central mounting hole 18 when jumping upwards through size design, and the lower cushion lower framework 9 of the lower cushion assembly 2 and the limiting ring 17 of the bracket 4 are designed through size matching to limit the displacement of the lower cushion assembly 2. Namely through the setting of last cushion assembly 1 and lower cushion assembly 2, and set up the extension 11 of bracket 4 between last cushion assembly 1 and lower cushion assembly 2, it sets up support 3 to go up cushion assembly 1 top, with support 3, go up cushion assembly 1, bracket 4 extension 11 is connected the fastening with lower cushion assembly 2, and it is spacing to carry out lower cushion assembly 2 through spacing ring 17 on the extension 11, make the suspension cushion assembly be in the compression state all the time in the course of the work, effectively avoid rubber to appear pulling out and tear the phenomenon, guarantee the safe in utilization of suspension cushion assembly.
Referring to fig. 4, for the upper cushion upper frame 5 according to the embodiment of the present invention, the upper cushion upper frame 5 includes a sleeve 13 and a flat plate 14 fixed to an upper end of the sleeve 13, the sleeve 13 is a hollow structure, and the sleeve 13 passes through the extension 11 and the lower cushion assembly 2 and abuts against the lower cushion lower frame 9; the flat plate 14 is vertically arranged with the sleeve 13, and the center of the flat plate 14 is provided with an opening with the same diameter as the inner diameter of the sleeve 13. A central long bolt 12 is arranged in the sleeve 13, the central long bolt 12 penetrates through the bracket 3 and the sleeve 13, and the lower end of the central long bolt 12 extends out of the lower end of the sleeve 13.
For the upper cushion lower frame 6 in the embodiment of the present invention, the upper cushion lower frame 6 includes a horizontal portion 15 and a vertical portion 16 located below the horizontal portion 15 and fixed to a hole, and the horizontal portion 15 has a hole at the center; the vertical part 16 is cylindrical, the inner diameter of the horizontal part 15 is the same as the hole diameter, the sleeve 13 passes through the hole on the horizontal part 15 and the vertical part 16 and is abutted against the upper surface of the lower cushion upper framework 8, and the upper cushion rubber 7 is positioned between the flat plate 14 and the horizontal part 15 and is sleeved on the sleeve 13. The horizontal portion 15 is located on the upper surface of the extension 11. The upper surface of the upper cushion rubber 7 is connected with the lower surface of the flat plate 14; the lower surface of the upper cushion rubber 7 is connected to the upper surface of the horizontal portion 15.
That is, the upper cushion assembly 1 is positioned between the bracket 3 and the extension 11, the upper surface of the plate 14 is in contact with the lower surface of the bracket 3, the lower surface of the horizontal portion 15 is in contact with the upper surface of the extension 11, the upper cushion assembly 1 is clamped by the bracket 3 and the extension 11, and the sleeve 13 passes through the extension 11 to fasten the bracket 3, the upper cushion assembly 1, the extension 11 of the bracket 4, and the lower cushion assembly 2.
Referring to fig. 5, in the embodiment of the present invention, the extension 11 is provided with a central mounting hole 18, and the sleeve 13 passes through the central mounting hole 18. The limiting ring 17 is located on the lower surface of the extending portion 11, the limiting ring 17 comprises a plurality of bosses 19, the bosses 19 are evenly arranged along the circumferential direction of the central mounting hole 18, and gaps are formed among the bosses 19. The lower cushion upper armature 8 is located in the gap between the bosses 19. For example, the stop collar 17 includes 4 bosses 19,4 bosses 19 are uniformly arranged along the circumferential direction of the central mounting hole 18, a gap may exist between the two left bosses 19, and a gap may also exist between the two right bosses 19, so as to form a transverse space in which the upper frame 8 of the lower cushion can be placed, and the upper frame 8 of the lower cushion can be placed in the transverse space, so as to achieve the limit of the lower cushion assembly 2.
For the lower cushion assembly 2 in the embodiment of the present invention, referring to fig. 6, the lower end of the sleeve 13 passes through the center of the lower cushion upper frame 8 and abuts against the upper surface of the lower cushion lower frame 9, and the lower cushion rubber 10 is sleeved on the sleeve 13. Parallel arrangement between skeleton 8 and lower cushion lower frame 9 on the lower cushion, the upper surface of skeleton 8 and the lower surface contact of extension 11 on the lower cushion, the upper surface of lower cushion rubber 10 and the lower surface of skeleton 8 on the lower cushion are connected, the lower surface of lower cushion rubber 10 and the upper surface connection of lower cushion lower frame 9.
When the suspension cushion assembly is used, for the structure of the suspension cushion assembly, the lower cushion assembly 2 comprises a lower cushion upper framework 8, a lower cushion lower framework 9 and lower cushion rubber 10 positioned between the lower cushion upper framework 8 and the lower cushion lower framework 9; one end of the bracket 3 extends out and is positioned above the upper cushion upper framework 5; the bracket 4 is including being located extension 11 between last cushion assembly 1 and the lower cushion assembly 2, and the lower extreme of skeleton 5 passes on the last cushion extension 11 and lower cushion assembly 2 to support and hold under the cushion on skeleton 9, be equipped with spacing ring 17 on the extension 11, skeleton 8 is located under the cushion in the spacing ring 17. Through the cooperation of last cushion assembly 1 and lower cushion assembly 2, when power assembly jumps down, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, when power assembly jumps up, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, make and go up cushion rubber 7 and lower cushion rubber 10 and be in the state of compression all the time in work, be difficult for appearing drawing to take off tearing phenomenon. The upper cushion lower framework 6 of the upper cushion assembly 1 is inserted into the central mounting hole 18 of the bracket 4, the upper cushion assembly 1 cannot be separated from the central mounting hole 18 when jumping upwards through size design, and the lower cushion lower framework 9 of the lower cushion assembly 2 and the limiting ring 17 of the bracket 4 are designed through size matching to limit the displacement of the lower cushion assembly 2.
In order to realize that the rubber is always in a compressed state in the work process, in the structural design of the suspension cushion assembly, the upper cushion upper framework 5 comprises a sleeve 13 and a flat plate 14 fixed at the upper end of the sleeve 13, the sleeve 13 is of a hollow structure, and the sleeve 13 penetrates through the extension part 11 and the lower cushion assembly 2 and is propped against the lower cushion lower framework 9; the flat plate 14 is vertically arranged with the sleeve 13, and the center of the flat plate 14 is provided with an opening with the same diameter as the inner diameter of the sleeve 13. A central long bolt 12 is arranged in the sleeve 13, the central long bolt 12 penetrates through the bracket 3 and the sleeve 13, and the lower end of the central long bolt 12 extends out of the lower end of the sleeve 13. The upper cushion lower frame 6 comprises a horizontal part 15 and a vertical part 16 which is positioned below the horizontal part 15 and fixed on a hole, and the center of the horizontal part 15 is provided with a hole; the vertical part 16 is cylindrical, the inner diameter of the horizontal part 15 is the same as the hole diameter, the sleeve 13 passes through the hole on the horizontal part 15 and the vertical part 16 and is propped against the upper surface of the lower cushion upper framework 8, and the upper cushion rubber 7 is positioned between the flat plate 14 and the horizontal part 15 and is sleeved on the sleeve 13. The horizontal portion 15 is located on the upper surface of the extension 11. The upper surface of the upper cushion rubber 7 is connected with the lower surface of the flat plate 14; the lower surface of the upper cushion rubber 7 is connected to the upper surface of the horizontal portion 15. The upper cushion assembly 1 is positioned between the support 3 and the extension 11, the upper surface of the plate 14 is in contact with the lower surface of the support 3, the lower surface of the horizontal portion 15 is in contact with the upper surface of the extension 11, the upper cushion assembly 1 is clamped by the support 3 and the extension 11, and the sleeve 13 passes through the extension 11 so as to fasten the support 3, the upper cushion assembly 1, the extension 11 of the bracket 4 and the lower cushion assembly 2.
Meanwhile, the extension 11 is provided with a central mounting hole 18, and the sleeve 13 passes through the central mounting hole 18. The limiting ring 17 is located on the lower surface of the extending portion 11, the limiting ring 17 comprises a plurality of bosses 19, the bosses 19 are evenly arranged along the circumferential direction of the central mounting hole 18, and gaps are formed among the bosses 19. The lower cushion upper armature 8 is located in the gap between the bosses 19. The lower end of the sleeve 13 passes through the center of the upper framework 8 of the lower cushion and is propped against the upper surface of the lower framework 9 of the lower cushion, and the lower cushion rubber 10 is sleeved on the sleeve 13. The lower cushion upper framework 8 and the lower cushion lower framework 9 are arranged in parallel, the upper surface of the lower cushion upper framework 8 is contacted with the lower surface of the extension part 11, the upper surface of the lower cushion rubber 10 is connected with the lower surface of the lower cushion upper framework 8, and the lower surface of the lower cushion rubber 10 is connected with the upper surface of the lower cushion lower framework 9.
Through the cooperation of last cushion assembly 1 and lower cushion assembly 2, when power assembly jumps down, go up 1 magnitude of compression grow of cushion assembly, 2 magnitude of compression of lower cushion assembly diminish, when power assembly jumps up, go up 1 magnitude of compression grow of cushion assembly, 2 magnitude of compression of lower cushion assembly diminish, make and go up cushion rubber 7 and lower cushion rubber 10 and be in the state of compression all the time at work, be difficult for appearing drawing to take off and tear the phenomenon. The upper cushion lower framework 6 of the upper cushion assembly 1 is inserted into the central mounting hole 18 of the bracket 4, the upper cushion assembly 1 cannot be separated from the central mounting hole 18 when jumping upwards through size design, and the lower cushion lower framework 9 of the lower cushion assembly 2 and the limiting ring 17 of the bracket 4 are designed through size matching to limit the displacement of the lower cushion assembly 2. Namely through the setting of last cushion assembly 1 and lower cushion assembly 2, and set up the extension 11 of bracket 4 between last cushion assembly 1 and lower cushion assembly 2, it sets up support 3 to go up cushion assembly 1 top, with support 3, go up cushion assembly 1, bracket 4 extension 11 is connected the fastening with lower cushion assembly 2, and it is spacing to carry out lower cushion assembly 2 through spacing ring 17 on the extension 11, make the suspension cushion assembly be in the compression state all the time in the course of the work, effectively avoid rubber to appear pulling out and tear the phenomenon, guarantee the safe in utilization of suspension cushion assembly.
According to the engine suspension cushion assembly of the medium and heavy commercial vehicle, the upper cushion assembly 1 and the lower cushion assembly 2 are arranged, the extension part 11 of the bracket 4 is arranged between the upper cushion assembly 1 and the lower cushion assembly 2, the bracket 3 is arranged above the upper cushion assembly 1, the bracket 3, the upper cushion assembly 1, the extension part 11 of the bracket 4 and the lower cushion assembly 2 are connected and fastened, and the lower cushion assembly 2 is limited by the limiting ring 17 on the extension part 11, so that the suspension cushion assembly is always in a compression state in the working process, the phenomenon of pulling-off and tearing of rubber is effectively avoided, and the use safety of the suspension cushion assembly is ensured.
The suspension cushion assembly is exquisite in structural design, enables rubber to be in a compression state all the time during working, and meanwhile is good in limiting performance and better in reliability, and enables the whole vehicle to be better in running stability under severe working conditions. For the suspension cushion assembly structure of the invention, the lower cushion assembly 2 comprises a lower cushion upper skeleton 8, a lower cushion lower skeleton 9 and a lower cushion rubber 10 positioned between the lower cushion upper skeleton 8 and the lower cushion lower skeleton 9; one end of the bracket 3 extends out and is positioned above the upper cushion upper framework 5; the bracket 4 is including being located extension 11 between last cushion assembly 1 and the lower cushion assembly 2, and the lower extreme of skeleton 5 passes on the last cushion extension 11 and lower cushion assembly 2 to support and hold under the cushion on skeleton 9, be equipped with spacing ring 17 on the extension 11, skeleton 8 is located under the cushion in the spacing ring 17. Through the cooperation of last cushion assembly 1 and lower cushion assembly 2, when power assembly jumps down, go up 1 magnitude of compression grow of cushion assembly, 2 magnitude of compression of lower cushion assembly diminish, when power assembly jumps up, go up 1 magnitude of compression grow of cushion assembly, 2 magnitude of compression of lower cushion assembly diminish, make and go up cushion rubber 7 and lower cushion rubber 10 and be in the state of compression all the time at work, be difficult for appearing drawing to take off and tear the phenomenon. The upper cushion lower framework 6 of the upper cushion assembly 1 is inserted into the central mounting hole 18 of the bracket 4, the upper cushion assembly 1 cannot be separated from the central mounting hole 18 when jumping upwards through size design, and the lower cushion lower framework 9 of the lower cushion assembly 2 and the limit ring 17 of the bracket 4 are designed through size matching to limit the displacement of the lower cushion assembly 2.
In order to realize that the rubber is always in a compressed state in the work process, in the structural design of the suspension cushion assembly, the upper cushion upper framework 5 comprises a sleeve 13 and a flat plate 14 fixed at the upper end of the sleeve 13, the sleeve 13 is of a hollow structure, and the sleeve 13 penetrates through the extension part 11 and the lower cushion assembly 2 and is propped against the lower cushion lower framework 9; the flat plate 14 is vertically arranged with the sleeve 13, and the center of the flat plate 14 is provided with an opening with the same diameter as the inner diameter of the sleeve 13. A central long bolt 12 is arranged in the sleeve 13, the central long bolt 12 penetrates through the bracket 3 and the sleeve 13, and the lower end of the central long bolt 12 extends out of the lower end of the sleeve 13. The upper cushion lower frame 6 comprises a horizontal part 15 and a vertical part 16 which is positioned below the horizontal part 15 and fixed on a hole, and the center of the horizontal part 15 is provided with a hole; the vertical part 16 is cylindrical, the inner diameter of the horizontal part 15 is the same as the hole diameter, the sleeve 13 passes through the hole on the horizontal part 15 and the vertical part 16 and is propped against the upper surface of the lower cushion upper framework 8, and the upper cushion rubber 7 is positioned between the flat plate 14 and the horizontal part 15 and is sleeved on the sleeve 13. The horizontal portion 15 is located on the upper surface of the extension 11. The upper surface of the upper cushion rubber 7 is connected with the lower surface of the flat plate 14; the lower surface of the upper cushion rubber 7 is connected to the upper surface of the horizontal portion 15. The upper cushion assembly 1 is positioned between the support 3 and the extension 11, the upper surface of the plate 14 is in contact with the lower surface of the support 3, the lower surface of the horizontal portion 15 is in contact with the upper surface of the extension 11, the upper cushion assembly 1 is clamped by the support 3 and the extension 11, and the sleeve 13 passes through the extension 11 so as to fasten the support 3, the upper cushion assembly 1, the extension 11 of the bracket 4 and the lower cushion assembly 2.
Meanwhile, the extension 11 is provided with a central mounting hole 18, and the sleeve 13 passes through the central mounting hole 18. The limiting ring 17 is located on the lower surface of the extending portion 11, the limiting ring 17 comprises a plurality of bosses 19, the bosses 19 are evenly arranged along the circumferential direction of the central mounting hole 18, and gaps are formed among the bosses 19. The lower cushion upper armature 8 is located in the gap between the bosses 19. The lower end of the sleeve 13 passes through the center of the upper framework 8 of the lower cushion and is propped against the upper surface of the lower framework 9 of the lower cushion, and the lower cushion rubber 10 is sleeved on the sleeve 13. Parallel arrangement between skeleton 8 and lower cushion lower frame 9 on the lower cushion, the upper surface of skeleton 8 and the lower surface contact of extension 11 on the lower cushion, the upper surface of lower cushion rubber 10 and the lower surface of skeleton 8 on the lower cushion are connected, the lower surface of lower cushion rubber 10 and the upper surface connection of lower cushion lower frame 9. Through the cooperation of last cushion assembly 1 and lower cushion assembly 2, when power assembly jumps down, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, when power assembly jumps up, go up 1 decrement grow of cushion assembly, 2 decrement of lower cushion assembly, make and go up cushion rubber 7 and lower cushion rubber 10 and be in the state of compression all the time in work, be difficult for appearing drawing to take off tearing phenomenon. The upper cushion lower framework 6 of the upper cushion assembly 1 is inserted into the central mounting hole 18 of the bracket 4, the upper cushion assembly 1 cannot be separated from the central mounting hole 18 when jumping upwards through size design, and the lower cushion lower framework 9 of the lower cushion assembly 2 and the limit ring 17 of the bracket 4 are designed through size matching to limit the displacement of the lower cushion assembly 2.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a heavy commercial car engine suspension cushion assembly in well which characterized in that includes:
the upper cushion assembly (1), the upper cushion assembly (1) comprises an upper cushion upper skeleton (5), an upper cushion lower skeleton (6) and an upper cushion rubber (7) positioned between the upper cushion upper skeleton (5) and the upper cushion lower skeleton (6);
the cushion comprises a lower cushion assembly (2), wherein the lower cushion assembly (2) comprises a lower cushion upper framework (8), a lower cushion lower framework (9) and lower cushion rubber (10) positioned between the lower cushion upper framework (8) and the lower cushion lower framework (9);
one end of the support (3) extends out and is positioned above the upper cushion upper framework (5);
the bracket (4) comprises an extension part (11) positioned between the upper cushion assembly (1) and the lower cushion assembly (2), the lower end of the upper cushion upper framework (5) penetrates through the extension part (11) and the lower cushion assembly (2) and abuts against the lower cushion lower framework (9), a limiting ring (17) is arranged on the extension part (11), and the lower cushion upper framework (8) is positioned in the limiting ring (17);
the upper cushion upper frame (5) comprises:
the sleeve (13) is of a hollow structure, and the sleeve (13) penetrates through the extension part (11) and the lower cushion assembly (2) and abuts against the lower cushion lower framework (9);
a flat plate (14) fixed at the upper end of the sleeve (13), wherein the flat plate (14) and the sleeve (13) are vertically arranged, the center of the flat plate (14) is provided with an opening, and the aperture of the opening is the same as the inner diameter of the sleeve (13);
a central mounting hole (18) is formed in the extension part (11), and the sleeve (13) penetrates through the central mounting hole (18);
the limiting ring (17) is located on the lower surface of the extending portion (11), the limiting ring (17) comprises a plurality of bosses (19), the bosses (19) are uniformly arranged along the circumferential direction of the central mounting hole (18), and gaps are formed among the bosses (19);
the size of the lower surface of the lower cushion upper framework (8) is larger than that of the upper surface of the lower cushion rubber (10) contacted with the lower cushion upper framework;
the lower cushion upper framework (8) is positioned in the gap between the bosses (19).
2. The engine mount pad assembly for medium and heavy duty commercial vehicles according to claim 1, wherein: a central long bolt (12) is arranged in the sleeve (13), the central long bolt (12) penetrates through the support (3) and the sleeve (13), and the lower end of the central long bolt (12) extends out of the lower end of the sleeve (13).
3. A medium and heavy commercial vehicle engine suspension cushion assembly as claimed in claim 1, wherein said upper cushion lower frame (6) comprises:
a horizontal part (15), wherein a hole is formed in the center of the horizontal part (15);
be located horizontal part (15) below and be fixed in vertical part (16) on the hole, vertical part (16) are cylindricly, the internal diameter of horizontal part (15) is the same with the aperture in hole, hole and vertical part (16) on horizontal part (15) are passed to sleeve pipe (13) to support and hold in the upper surface of lower cushion upper frame (8), it is located to go up cushion rubber (7) between dull and stereotyped (14) and horizontal part (15) to the cover is located on sleeve pipe (13).
4. The engine mount pad assembly for medium and heavy duty commercial vehicles according to claim 3, wherein: the horizontal portion (15) is located on an upper surface of the extension portion (11).
5. The engine mount cushion assembly for medium and heavy duty commercial vehicles according to claim 3, wherein:
the upper surface of the upper cushion rubber (7) is connected with the lower surface of the flat plate (14);
the lower surface of the upper cushion rubber (7) is connected with the upper surface of the horizontal part (15).
6. The engine mount pad assembly for medium and heavy duty commercial vehicles according to claim 1, wherein: the lower end of the sleeve (13) penetrates through the center of the lower cushion upper framework (8) and abuts against the upper surface of the lower cushion lower framework (9), and the lower cushion rubber (10) is sleeved on the sleeve (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110600991.7A CN113119710B (en) | 2021-05-31 | 2021-05-31 | Engine suspension cushion assembly of medium and heavy commercial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110600991.7A CN113119710B (en) | 2021-05-31 | 2021-05-31 | Engine suspension cushion assembly of medium and heavy commercial vehicle |
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| CN113119710A CN113119710A (en) | 2021-07-16 |
| CN113119710B true CN113119710B (en) | 2022-11-11 |
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| CN202110600991.7A Active CN113119710B (en) | 2021-05-31 | 2021-05-31 | Engine suspension cushion assembly of medium and heavy commercial vehicle |
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| CN115476672B (en) * | 2022-10-26 | 2024-10-29 | 东风汽车股份有限公司 | Front suspension structure, commercial vehicle and assembly method of commercial vehicle |
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