Engine silencer support
By setting two sets of fixed mounting points and through holes on the muffler bracket, the problems of stress concentration and inconvenient installation of the muffler bracket are solved, resulting in a longer service life and convenient operation.
Patent Information
- Application Number
- CN202520063406.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The existing muffler bracket is only fixedly connected to the engine flywheel housing at one location, which leads to concentrated vibration stress, making it prone to cracking, and is inconvenient to install and disassemble.
Two sets of fixed mounting points are set on the muffler bracket, including the connection between the support plate and the engine flywheel housing and the lifting lug. The design of the bent plate and through hole provides additional fixing points and operating space.
It effectively reduces the impact of engine vibration on the muffler bracket, extends the bracket's lifespan, and facilitates quick installation and removal.
Smart Images

Figure CN223661959U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to muffler support technical field especially an engine muffler support. BACKGROUND
[0002] The muffler is generally installed on the excavator engine through the muffler support, wherein the top of the muffler support fixes and supports the muffler, and the bottom of the muffler support is fixedly connected with the engine flywheel housing through screw holes and bolts and the like; the vibration generated in the working process of the engine can be transmitted to the muffler support, therefore, the rigidity of the muffler support and the stability of the connection between the muffler support and the engine need to be ensured, otherwise, the amplitude of the muffler relative to the engine can be increased, and then the cracking phenomenon can be caused at the connection point position between the muffler support and the engine.
[0003] The inventor finds that since the existing muffler support is generally fixedly connected with only one position of the engine flywheel housing, the vibration of the engine is transmitted to the muffler support, the stress at the screw hole position of the muffler support is easily too large, and then cracking is caused, and the muffler support needs to be frequently replaced subsequently, and since the space for installing the muffler support above the engine flywheel housing is limited and there are many electrical devices, the muffler support is not very convenient to disassemble and assemble. SUMMARY
[0004] In view of the defects in the prior art, the utility model aims to provide an engine muffler support, two groups of fixed mounting points are arranged on the engine muffler support, the influence of the vibration of the engine on the muffler support can be effectively reduced, the problem that the stress concentration is easily caused at the support plate and then local cracking is caused can be effectively solved, and the service life of the muffler support is improved; the through hole provides the required operation space when the support is assembled and disassembled, and the quick assembly and disassembly of the muffler support are facilitated.
[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:
[0006] An engine muffler support, comprising a support plate, the support plate supports a muffler at the top, and a first screw hole is arranged at the bottom, the support plate is installed at the position of the engine flywheel housing through the first screw hole, a bent plate is arranged outside the support plate, a second screw hole is arranged on the bent plate, and the fixed connection between the bent plate and the engine lug is realized through the second screw hole.
[0007] As a further implementation manner, the support plate is in an L shape in cross section, and comprises a vertical plate and a side plate which are connected with each other.
[0008] As a further implementation manner, an installation plate is arranged at the top of the support plate, and a rib plate is arranged between the vertical plate and the installation plate away from the side plate.
[0009] As a further implementation manner, the rib plate is arranged in parallel with the side plate.
[0010] As a further implementation manner, the bent plate is fixed on the vertical plate.
[0011] As a further implementation manner, the bent plate is L-shaped and is connected with the vertical plate perpendicularly.
[0012] As a further implementation manner, the vertical plate is provided with a through hole corresponding to the second screw hole of the bent plate, and the through hole is coaxial with the second screw hole.
[0013] As a further implementation manner, the mounting plate body is arc-shaped and is used for cooperating with the muffler, and the mounting plate is provided with mounting holes on two sides and cooperates with the hoop.
[0014] As a further implementation manner, the bottom of the vertical plate is arc-shaped, and the first screw holes are uniformly distributed on the bottom edge of the vertical plate.
[0015] As a further implementation manner, the rib plate has a set distance from the end of the vertical plate.
[0016] The beneficial effects of the above-mentioned utility model are as follows:
[0017] The utility model discloses a mounting plate, a vertical plate and a rib plate are arranged on the mounting plate, the vertical plate is arranged on the mounting plate, and the rib plate is arranged on the vertical plate. In addition to the first screw hole at the bottom of the support plate and the fixed connection position of the engine flywheel shell, the support plate is also provided with a bent plate and a second screw hole outside the support plate and is fixedly connected with the engine lug, two groups of fixed mounting points are arranged on the engine muffler support, the influence of engine vibration on the muffler support can be effectively reduced, the problem that stress concentration easily occurs in the support plate and then leads to local cracking can be effectively solved, and the service life of the muffler support is improved. The through hole provides the required operation space when the support is installed and disassembled, and the quick installation and disassembly of the muffler support are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the description thereof are used to explain the utility model and do not constitute improper limitation on the utility model.
[0019] Figure 1 It is the overall structure schematic view of the engine muffler support in the utility model embodiment.
[0020] Figure 2 It is the rear side structure schematic view of the engine muffler support in the utility model embodiment.
[0021] Figure 3 It is the side surface structure schematic view of the engine muffler support in the utility model embodiment.
[0022] Figure 4 is a structural schematic view of the support plate in the embodiment of the utility model.
[0023] In the figure: the mutual distance or size is exaggerated for showing the position of each part, and the schematic view is only for illustration.
[0024] Among them: 1. support plate, 2. mounting plate, 3. web plate, 4. bent plate, 5. hoop, 6. fixing part, 7. muffler, 11. vertical plate, 12. side plate, 111. through hole, 112. first screw hole; 41. second screw hole. DETAILED DESCRIPTION
[0025] It should be pointed out that the following detailed description is exemplary, and aims at providing further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used in the utility model have the same meaning as that generally understood by the ordinary skilled in the art to which the utility model belongs.
[0026] Embodiment one
[0027] In a typical embodiment of the utility model, referring to Figures 1-4 As shown in the figure, an engine muffler support, including support plate 1, support plate outside is equipped with bent plate 4, support plate 1 bottom is used for fixed connection with flywheel shell, support plate 1 outside is fixedly connected with engine lug through bent plate 4, by setting two groups of fixed points of support plate 1 to be fixed, can effectively reduce the influence of engine vibration on muffler.
[0028] As shown in the figure, Figure 4 Support plate 1 is L-shaped in cross section, which includes vertical plate 11 and side plate 12 connected with each other, support plate 1 top supports muffler 7, bottom is equipped with first screw hole 112, support plate 1 is installed in engine flywheel shell position through first screw hole 112, support plate 1 outside is equipped with bent plate 4, bent plate 4 is equipped with second screw hole 41, and fixed connection of bent plate 4 and engine lug is realized through second screw hole 41.
[0029] As shown in the figure, Figure 1 Support plate 1 top is equipped with mounting plate 2, one end of vertical plate 11 away from side plate 12 is equipped with web plate 3 between mounting plate, web plate is used as the support structure between mounting plate 2 and vertical plate 11, and web plate 3 is parallelly arranged with side plate 12, and mounting plate 2 is located on the side of vertical plate 11 away from bent plate 4.
[0030] Web plate 3 and the end of vertical plate 11 have a set distance to avoid certain installation space and reduce the volume of muffler support.
[0031] The main body of the mounting plate 2 is arc-shaped and used for matching the muffler 7, mounting holes are arranged on both sides of the mounting plate 2 and matched with the hoop, when mounting, the muffler 7 is arranged at the arc-shaped position on the top of the mounting plate, then the mounting plate is fixedly connected with the hoop 5, and the mounting of the muffler 7 is realized.
[0032] As shown in Figure 1 and Figure 2 , the bending plate 4 is arranged on one side of the vertical plate 11 and vertically connected with the vertical plate, and the bending plate is L-shaped.
[0033] As shown in Figure 1 and Figure 2 , the bottom of the vertical plate 11 is arc-shaped, which is used for matching the shape of the engine flywheel housing, and the arc-shaped edges of the bottom of the vertical plate 11 are uniformly distributed with four first screw holes 112, and the mounting plate 11 is fixedly connected with the engine flywheel housing through the fixing member 6.
[0034] The second screw hole 41 is arranged on the bending plate 4, and the bending plate is fixedly connected with the engine lug through the fixing member 6 and the second screw hole 41.
[0035] In addition to the position of the first screw hole 112 at the bottom of the support plate and fixedly connected with the engine flywheel housing, the support plate 1 is also fixedly connected with the engine lug through the bending plate and the second screw hole 41 on the outer side of the support plate 1, and through the two groups of fixed mounting points of the engine muffler support, the influence of the engine vibration on the muffler support can be effectively reduced, the problem that the stress concentration easily occurs in the support plate and then leads to local cracking can be effectively solved, and the service life of the muffler support is improved.
[0036] In order to facilitate the mounting and dismounting of the muffler support, as shown in Figure 2 and Figure 4 , the through hole 111 is arranged on the vertical plate 11 and corresponds to the second screw hole 41 of the bending plate 4, and the through hole is coaxial with the second screw hole.
[0037] Through the arrangement of the through hole 111, the required operation space is provided by the through hole 111 during the mounting and dismounting, and the quick mounting and dismounting of the muffler support are facilitated.
[0038] The above merely describes preferred embodiments of the utility model and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An engine muffler bracket, characterized in that, It includes a support plate, with a muffler supported at the top and a first screw hole at the bottom. The support plate is installed on the engine flywheel housing through the first screw hole. A bending plate is provided on the outside of the support plate, and a second screw hole is provided on the bending plate. The bending plate is fixedly connected to the engine lifting lug through the second screw hole.
2. The engine muffler bracket according to claim 1, characterized in that, The support plate has an L-shaped cross-section and includes interconnected vertical plates and side plates.
3. The engine muffler bracket according to claim 2, characterized in that, The support plate is provided with a mounting plate on top, and a stiffening plate is provided between the end of the vertical plate away from the side plate and the mounting plate.
4. The engine muffler bracket according to claim 3, characterized in that, The stiffening ribs are arranged parallel to the side plates.
5. An engine muffler bracket according to claim 2, characterized in that, The bending plate is fixed to the vertical plate.
6. The engine muffler bracket according to claim 5, characterized in that, The bending plate is L-shaped and is perpendicularly connected to the vertical plate.
7. An engine muffler bracket according to claim 6, characterized in that, The vertical plate is provided with a through hole, which is provided corresponding to the second screw hole of the bent plate, and the through hole and the second screw hole are coaxial.
8. An engine muffler bracket according to claim 3, characterized in that, The mounting plate is arc-shaped and is used to cooperate with the muffler. The mounting plate has mounting holes on both sides to cooperate with the clamps.
9. An engine muffler bracket according to claim 2, characterized in that, The bottom of the vertical plate is arc-shaped, and the first screw holes are evenly distributed on the bottom edge of the vertical plate.
10. An engine muffler bracket according to claim 3, characterized in that, There is a set distance between the stiffening plate and the end of the vertical plate.