CN112664317A - Engine mounting structure and engine - Google Patents
Engine mounting structure and engine Download PDFInfo
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- CN112664317A CN112664317A CN202011562604.7A CN202011562604A CN112664317A CN 112664317 A CN112664317 A CN 112664317A CN 202011562604 A CN202011562604 A CN 202011562604A CN 112664317 A CN112664317 A CN 112664317A
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Abstract
The invention discloses an engine suspension mounting structure, which comprises an engine mounting support, a machine body bracket and a suspension mechanism which is arranged between the engine mounting support and the machine body bracket and is used for damping vibration; suspension mechanism is including being used for the suspension pillar of being connected with fuselage support and being connected the suspension subassembly that sets up with engine erection support, this technical scheme's engine suspension installation structure adopts external suspension structure, guaranteed that suspension rubber has enough big size and deformation space, the area of contact of suspension rubber and air has been increased simultaneously, make suspension rubber can in time dispel the heat, the inefficacy structure is prevented to the cantilever type, guarantee the suspension rubber after becoming invalid, the engine also can the short time normal operating, mechanism reliability has been guaranteed, overall structure design is simple, and the processing and the assembly of being convenient for.
Description
Technical Field
The invention relates to the field of engine suspension, in particular to an engine suspension mounting structure and an engine.
Background
Currently, in order to ensure the on-hook reliability of the engine, an in-line suspension system is generally adopted. The suspension rubber is embedded in the support mounting hole and is assembled by matching with the bushing and the bolt, the structure is complex, the vibration isolation is poor, and the suspension rubber is small in size, small in deformation space and poor in vibration isolation when embedded; the mounting position of the suspension is far away from the gravity center of the engine, so that the decoupling is poor and the resonance is easy to occur; the contact area of suspension rubber and air is little, and the heat dissipation is poor, and is fragile, and suspension rubber is destroyed the back simultaneously, does not have corresponding prevention and control measure, leads to hookup location department's part directly to drop easily, causes the incident.
There is a need for an engine mount mounting configuration that addresses the above-mentioned problems.
Disclosure of Invention
In view of the above, the invention provides an engine mount mounting structure, which adopts an external mount structure, ensures that mount rubber has a sufficiently large size and deformation space, and increases the contact area between the mount rubber and air, so that the mount rubber can dissipate heat in time.
An engine mount mounting structure characterized in that: the vibration reduction device comprises an engine mounting support, a machine body bracket and a suspension mechanism which is arranged between the engine mounting support and the machine body bracket and is used for reducing vibration; the suspension mechanism comprises a suspension strut connected with the body support and a suspension assembly connected with the engine mounting support; adopt external suspension structure, guaranteed that suspension rubber has enough big size and deformation space, increased the area of contact of suspension rubber 23 with the air simultaneously for suspension rubber can in time dispel the heat, and the inefficacy structure is prevented to the cantilever type, ensures that the suspension rubber inefficacy back, and the engine also can the short time normal operating, has guaranteed mechanism reliability, and overall structure design is simple, is convenient for processing and assembly.
Further, the suspension assembly comprises a positioning sleeve ring, suspension rubber arranged in the positioning sleeve ring and a suspension connecting rod connected with the suspension rubber; the suspension connecting rod is arranged in the positioning ring sleeve and is fixedly connected with the suspension rubber; the suspension rubber in the positioning sleeve ring is directly contacted with the air, so that the contact area of the suspension rubber 23 and the air is increased, and the suspension rubber can dissipate heat in time.
Furthermore, the position ring sleeve comprises a suspension installation part for installing suspension rubber and a ring sleeve connecting rod part for being installed in cooperation with the suspension strut, the suspension strut is of a hollow rod-shaped structure, and the ring sleeve connecting rod part is inserted into the suspension strut. The outer end face of the connecting rod part of the ring sleeve can be designed into a thread shape, an internal thread mechanism is correspondingly designed in the suspension strut, the two are in threaded connection, of course, welding and other modes can be adopted, one end of the suspension strut is connected to the positioning ring sleeve, and the other end of the suspension strut is fixedly connected with the machine body support.
Further, a connecting rod mounting hole for mounting a suspension connecting rod is formed in the axial end face of the suspension mounting portion, an axial positioning hole is formed in the suspension rubber, and the suspension connecting rod penetrates through the connecting rod mounting hole and is fixedly connected into the axial positioning hole.
Further, suspension connecting rod axial cross-section is "ten" style of calligraphy structure, the suspension connecting rod is including the laminating install the positioning disk at suspension rubber terminal surface, along the protruding location body of rod that forms of positioning disk terminal surface axial direction and along the protruding installation body of rod that forms of another terminal surface axial direction of positioning disk. The suspension connecting rod comprises a positioning disc for attaching and positioning, a positioning rod body fixedly connected and installed with the suspension rubber and an installation rod body penetrating through the connecting rod installation hole and used for being connected and installed with the engine installation support, and the positioning disc ensures installation accuracy and simultaneously ensures that the positioning disc cannot be separated from the positioning ring sleeve.
Furthermore, the positioning rod body is inserted into the connecting rod mounting hole, the diameter of the positioning disc is larger than that of the connecting rod mounting hole, and the suspension strut, the positioning sleeve ring, the suspension rubber and the suspension connecting rod are coaxially arranged. The positioning disk can block all the time in the holding ring cover, and the location body of rod can design for the back taper structure, and inside embedding suspension rubber, the connection between the further promotion part, the effectual protective effect that plays after the part became invalid protects operator's safety.
Furthermore, four suspension mechanisms are arranged between the engine mounting support and the machine body support and are distributed in a rectangular shape.
Furthermore, the engine is connected and installed by adopting the engine suspension installation structure.
The invention has the beneficial effects that:
the engine suspension installation structure in this technical scheme adopts external suspension structure, has guaranteed that suspension rubber has enough big size and deformation space, has increased the area of contact of suspension rubber and air simultaneously for suspension rubber can in time dispel the heat, and the inefficacy structure is prevented to the cantilever type, ensures that the suspension rubber inefficacy back, and the engine also can the short time normal operating, has guaranteed mechanism reliability, and overall structure design is simple, the processing and the assembly of being convenient for.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the suspension mechanism of the present invention;
fig. 3 is a cross-sectional view of the suspension of the present invention.
Detailed Description
FIG. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic view of the suspension mechanism of the present invention; fig. 3 is a cross-sectional view of the suspension mechanism of the present invention, and as shown, an engine suspension mounting structure includes an engine mount bracket 11, a body mount 3, and a suspension mechanism 2 for vibration damping provided between the engine mount bracket 11 and the body mount 3; the suspension mechanism 2 comprises a suspension strut 21 for connecting with the fuselage support 3 and a suspension assembly arranged in connection with the engine mount 11. The engine suspension installation structure in this technical scheme adopts external suspension structure, has guaranteed that suspension rubber has enough big size and deformation space, has increased the area of contact of suspension rubber 23 with the air simultaneously for suspension rubber can in time dispel the heat, and the inefficacy structure is prevented to the cantilever type, ensures that the suspension rubber inefficacy back, and the engine also can the short time normal operating, has guaranteed mechanism reliability, and overall structure design is simple, the processing and the assembly of being convenient for. The suspension mounting position is selected at a position close to the engine box body, so that the mounting distance between the suspension mounting position and the center of gravity of the engine is shortened and the vibration effect of the suspension mounting position is obviously improved compared with the traditional structure.
In this embodiment, the suspension assembly includes a positioning collar 22, a suspension rubber 23 installed in the positioning collar 22, and a suspension link 24 connected to the suspension rubber 23; the suspension connecting rod 24 is arranged in the positioning ring sleeve 22, and the suspension connecting rod 24 is fixedly connected with the suspension rubber 23; 11 end connection installation engines 1 of engine erection support, suspension connecting rod 24 one end fixed connection sets up on engine erection support 11, position lantern ring 22 axial cross-section is annular structure, play effectual support positioning action, can play better damping effect with what suspension rubber 23 size was done simultaneously, suspension rubber 23 in the position lantern ring 22 is direct to contact with the air, the area of contact of suspension rubber 23 with the air has been increased, make suspension rubber can in time dispel the heat.
In this embodiment, the positioning ring sleeve 22 includes a suspension mounting portion for mounting suspension rubber and a ring sleeve connecting rod portion 221 for cooperating with the suspension strut 31, the suspension strut 31 is a hollow rod-shaped structure, and the ring sleeve connecting rod portion 221 is inserted into the suspension strut. The outer end surface of the ring connecting rod portion 221 may be designed into a thread shape, and the suspension strut 31 is internally provided with an internal thread mechanism, and the two are connected by a thread, or welded and riveted, and the like, and one end of the suspension strut 31 is connected to the positioning ring 22, and the other end is fixedly connected to the body support 3.
In this embodiment, a connecting rod mounting hole 25 for mounting a suspension connecting rod is formed in an axial (i.e., in a horizontal direction in fig. 3) end surface of the suspension mounting portion, an axial positioning hole is formed in the suspension rubber 23, and the suspension connecting rod 24 passes through the connecting rod mounting hole 25 and is fixedly connected in the axial positioning hole. The suspension rubber 23 of the columnar structure is fixedly connected to the inner wall of the positioning ring sleeve 22, the suspension connecting rod 24 axially penetrates through the connecting rod mounting hole 25 and then is fixedly connected into the axial positioning hole of the suspension rubber 23, positioning and mounting of parts are achieved, the overall structure is simple in design, and processing and assembling are facilitated.
In this embodiment, the axial cross section of the suspension connecting rod 24 is a cross-shaped structure, and the suspension connecting rod 24 includes a positioning disk 242 mounted on the end surface of the suspension rubber in a fitting manner, a positioning rod 241 formed by protruding along the axial direction of the end surface of the positioning disk, and a mounting rod 243 formed by protruding along the axial direction of the other end surface of the positioning disk. The inner surface of the mounting rod body 243 is processed into a threaded structure, the engine mounting support 11 and the mounting rod body 243 can be tightly connected through bolts, the two mounting rod bodies can also be connected in a welding and riveting mode, the suspension connecting rod 24 comprises a positioning disc 242 for attaching and positioning, a positioning rod body 241 for being fixedly connected and mounted with the suspension rubber 23 and a mounting rod body 243 penetrating through the connecting rod mounting hole 25 for being connected and mounted with the engine mounting support 11, and the positioning disc 242 ensures mounting accuracy and simultaneously ensures that the mounting rod body cannot be separated from the positioning ring sleeve 22.
In this embodiment, the positioning rod 241 is inserted into the connecting rod mounting hole, and the diameter of the positioning plate 242 is larger than that of the connecting rod mounting hole 25. The setting of positioning disk 242 diameter has guaranteed that several sound suspension rubber is impaired also can not take place to break away from between the part, and positioning disk 242 can block in position ring cover 22 all the time, and the location body of rod 241 can design for the back taper structure, and embedding suspension rubber 23 is inside, the relation of connection between the further promotion part, the effectual protective effect that plays after the part became invalid protects operator's safety.
In this embodiment, four suspension mechanisms are arranged between the engine mounting support 11 and the body support 3, the four suspension mechanisms are distributed in a rectangular shape, and the four suspension mechanisms of the rectangular structure are arranged, so that the stability of connection of the whole structure is ensured. The suspension strut 21, the positioning collar 22, the suspension rubber 23 and the suspension connecting rod 24 are coaxially arranged, so that the vibration damping performance of the product is further improved.
In this embodiment, the engine is connected and mounted by using the engine suspension mounting structure.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. An engine mount mounting structure characterized in that: the vibration reduction device comprises an engine mounting support, a machine body bracket and a suspension mechanism which is arranged between the engine mounting support and the machine body bracket and is used for reducing vibration; the suspension mechanism comprises a suspension strut connected with the fuselage support and a suspension assembly connected with the engine mounting support.
2. The engine mount mounting configuration according to claim 1, characterized in that: the suspension assembly comprises a positioning sleeve ring, suspension rubber arranged in the positioning sleeve ring and a suspension connecting rod connected with the suspension rubber; the suspension connecting rod is arranged in the positioning ring sleeve and fixedly connected with the suspension rubber.
3. The engine mount mounting configuration according to claim 2, characterized in that: the locating ring sleeve comprises a suspension installation part for installing suspension rubber and a ring sleeve connecting rod part for being installed in cooperation with a suspension strut, the suspension strut is of a hollow rod-shaped structure, and the ring sleeve connecting rod part is installed in the suspension strut.
4. The engine mount mounting configuration according to claim 3, characterized in that: the suspension connecting rod is characterized in that a connecting rod mounting hole for mounting a suspension connecting rod is formed in the axial end face of the suspension mounting portion, an axial positioning hole is formed in the suspension rubber, and the suspension connecting rod penetrates through the connecting rod mounting hole and is fixedly connected into the axial positioning hole.
5. The engine mount mounting configuration according to claim 4, characterized in that: suspension connecting rod axial cross-section is "ten" style of calligraphy structure, the suspension connecting rod is including the laminating install at the positioning disk of suspension rubber terminal surface, along the protruding location body of rod that forms of positioning disk terminal surface axial direction and along the protruding installation body of rod that forms of another terminal surface axial direction of positioning disk.
6. The engine mount mounting configuration according to claim 5, characterized in that: the positioning rod body is inserted into the connecting rod mounting hole, the diameter of the positioning disc is larger than that of the connecting rod mounting hole, and the suspension strut, the positioning sleeve ring, the suspension rubber and the suspension connecting rod are coaxially arranged.
7. The engine mount mounting configuration according to claim 6, characterized in that: four suspension mechanisms are arranged between the engine mounting support and the engine body support and are distributed in a rectangular shape.
8. An engine, characterized in that: the engine is connected and mounted by using the engine mount mounting structure according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562604.7A CN112664317B (en) | 2020-12-25 | 2020-12-25 | Engine mounting structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562604.7A CN112664317B (en) | 2020-12-25 | 2020-12-25 | Engine mounting structure and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112664317A true CN112664317A (en) | 2021-04-16 |
| CN112664317B CN112664317B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011562604.7A Active CN112664317B (en) | 2020-12-25 | 2020-12-25 | Engine mounting structure and engine |
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| CN (1) | CN112664317B (en) |
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| Publication number | Publication date |
|---|---|
| CN112664317B (en) | 2022-09-13 |
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