A kind of enhanced vibration reduction and noise reduction type body reinforcement plate
By designing an enhanced vibration-absorbing and noise-reducing body reinforcement plate including a reinforcement plate body and a counterweight regulator, the problem of rapid adjustment of the NVH and weight of the whole machine in the prior art is solved, and the optimal matching of the characteristics of the whole machine and the center of gravity adjustment are achieved, reducing costs and improving service life.
Patent Information
- Application Number
- CN202111296957.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-10-29
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2041-10-29
AI Technical Summary
The existing body reinforcement plate cannot be quickly adjusted according to different machine NVH and machine weight requirements, resulting in increased design and production costs, and the fixed center of gravity is inconvenient for adjustment.
A reinforcement plate of enhanced vibration and noise reduction type body is designed, including a reinforcement plate body and a counterweight regulator. The counterweight regulator is installed on the reinforcement plate body through fasteners. The counterweight regulator composed of support strips, folds, counterweight blocks and locking parts can be quickly adjusted.
The optimal matching of the weight, stiffness and noise characteristics of the entire machine is achieved, and the center of gravity can be adjusted, design and production costs can be reduced, and the service life of the reinforcement board can be improved.
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Figure CN114165682B_ABST
Abstract
Description
[Technical field]
[0001] The invention relates to the technical field of diesel engine body reinforcement plates, in particular to the technical field of a reinforced vibration-damping and noise-reducing type body reinforcement plate. [Background technology]
[0002] The body reinforcement plate is usually installed at the lower opening of the diesel engine body, which can tighten the edge of the larger cavity at this part of the body to improve the rigidity of the whole machine and improve the NVH (noise, vibration and harshness) characteristics of the body. The existing body reinforcement plate is usually a single stamping part with a fixed shape and structure, and cannot meet the different NVH and weight requirements of the whole machine. For example, agricultural machinery or passenger cars are equipped with the same thicker body reinforcement plate. Therefore, in order to achieve the best match, the factory often needs to redesign the structure and mold of the body reinforcement plate, resulting in increased design and production costs. In addition, once the existing body reinforcement plate is installed, the center of gravity is also fixed and difficult to adjust. [Summary of the invention]
[0003] The purpose of the present invention is to solve the problems in the prior art and to propose an enhanced vibration-damping and noise-reducing body reinforcement plate, which can quickly adjust the total weight of the reinforcement plate body as needed, thereby achieving the optimal match of the weight, stiffness and noise characteristics of the whole machine, and the center of gravity is adjustable.
[0004] To achieve the above-mentioned objectives, the present invention proposes an enhanced vibration-damping and noise-reducing body reinforcement plate, comprising a reinforcement plate body and a counterweight adjuster, wherein a plurality of the counterweight adjusters are threadedly connected to the reinforcement plate body through a plurality of fasteners, respectively, and the counterweight adjuster comprises a support bar, a folding piece, a counterweight block and a locking piece, wherein the top end of the folding piece is fixed to the bottom surface of the support bar, and a plurality of counterweight blocks are fixed in sequence from top to bottom on the same side of the folding piece, and the bottom end of the folding piece can be bent upward from the other side and fixed in position through a locking piece.
[0005] Preferably, a plurality of mounting holes are provided at the edge of the reinforcing plate body, a plurality of hollow portions are provided at the middle of the reinforcing plate body, and a plurality of protrusions are provided at the middle of the reinforcing plate body surrounding each hollow portion.
[0006] Preferably, the support bar is provided with a plurality of bar body through holes, and the fasteners successively pass through the bar body through holes and the mounting holes to connect the reinforcing plate body and the counterweight adjuster.
[0007] Preferably, when the flap is not folded, adjacent surfaces of the counterweight blocks arranged sequentially from top to bottom are in close contact with each other, and a plurality of block through holes are provided on the counterweight blocks.
[0008] Preferably, a side of the folding piece with the counterweight block is provided with a plurality of reinforcing ribs in sequence from top to bottom, and each of the reinforcing ribs is arranged one by one between adjacent surfaces of each counterweight block.
[0009] Preferably, the cross-section of the reinforcing rib is triangular, and one of the tips of the reinforcing rib points to the gap between two adjacent counterweights.
[0010] Preferably, the locking member comprises a chain net and a hook, the chain net is laid on a side of the folding piece where no counterweight is provided, the hook is fixed to the bottom end of the folding piece, and when the folding piece is in a bent state, the hook can hook one or several meshes of the chain net.
[0011] Preferably, the locking member further comprises a lock buckle, which can close the opening of the hook buckle when the hook buckle hooks the mesh of the chain net.
[0012] Preferably, the lock comprises a side plate, a rotating shaft and a bolt, the two side plates being relatively arranged on the side of the hook of the hook away from the hook arm, the rotating shaft being rotatably connected between the two side plates, the top of the hook being downwardly provided with a notch, the rotating shaft being provided with an axial through hole, and the side of the hook arm close to the hook being provided with a threaded blind hole, the bottom end of the screw rod of the bolt being successively passed through the axial through hole and the notch and then screwed into the threaded blind hole to close the opening of the hook, and the screw rod wall of the bolt being provided with a limiting flange to prevent the bolt from escaping from the hook and the rotating shaft.
[0013] Preferably, a protrusion is provided on the side of the hook arm away from the hook, and the threaded blind hole extends into the protrusion.
[0014] Beneficial effects of the present invention: the present invention installs a plurality of counterweight adjusters on the reinforcing plate body respectively through fasteners, and can quickly adjust the total weight of the reinforcing plate body as required, thereby achieving the optimal matching of the weight, stiffness and noise characteristics of the whole machine; the counterweight adjuster is composed of a support bar, a folding piece, a counterweight block and a locking piece, and each counterweight block is located on the same side of the freely bendable folding piece, so that the bending state of the folding piece can be locked by the locking piece, and the center of gravity of the counterweight adjuster can be adjusted; by arranging a plurality of reinforcing ribs with triangular cross sections from top to bottom on the side of the folding piece with the counterweight block, the strength of the folding piece can be effectively improved, thereby extending the service life of the counterweight adjuster; by arranging a lock buckle, the opening of the hook buckle can be closed when the hook buckle hooks the mesh of the chain net, thereby preventing the hook buckle from falling off the chain net; by arranging a side plate, a rotating shaft and a bolt to form a lock buckle, before the hook buckle hooks the chain net, on the one hand, the central axis of the rotating shaft can be used as the axis to make the bolt rotate and move away from the opening to avoid the existence of the bolt affecting the normal hooking, and on the other hand, the bolt can always be located outside the hook buckle to avoid the loss of the bolt.
[0015] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.
Brief Description of the Drawings
[0016] Figure 1This is a front view of an enhanced vibration-reducing and noise-reducing machine body reinforcement plate of the present invention;
[0017] Figure 2 It is a front view of a reinforcement plate body of a reinforced vibration-damping and noise-reducing machine body reinforcement plate of the present invention;
[0018] Figure 3 It is a bottom view of a reinforcement plate body of a reinforced vibration-damping and noise-reducing machine body reinforcement plate of the present invention;
[0019] Figure 4 It is a front view of a counterweight adjuster of a reinforced vibration-damping and noise-reducing machine body reinforcement plate of the present invention;
[0020] Figure 5 It is a left view of a counterweight adjuster of a reinforced vibration-reducing and noise-reducing machine body reinforcement plate of the present invention;
[0021] Figure 6 It is a front view of the hook and lock of the enhanced vibration and noise reduction type body reinforcement plate of the present invention during assembly;
[0022] Figure 7 The utility model is a left side view of the hook and the lock of the enhanced vibration reduction and noise reduction type machine body reinforcement plate of the present invention during assembly.
[0023] In the figure: 1-reinforcement plate body, 11-mounting hole, 12-hollow portion, 13-protrusion, 2-counterweight adjuster, 21-support bar, 211-bar body through hole, 22-folding piece, 23-counterweight block, 24-locking piece, 241-chain net, 242-hook, 2421-recess, 243-lock, 2431-side plate, 2432-rotating shaft, 2433-bolt, 2434-protrusion, 25-reinforcement rib. [Specific implementation method]
[0024] See also Figures 1 to 7 The present invention discloses an enhanced vibration-damping and noise-reducing body reinforcement plate, comprising a reinforcement plate body 1 and a counterweight adjuster 2. A plurality of the counterweight adjusters 2 are respectively threadedly connected to the reinforcement plate body 1 through a plurality of fasteners. The counterweight adjuster 2 comprises a support bar 21, a folding piece 22, a counterweight block 23 and a locking piece 24. The top end of the folding piece 22 is fixed to the bottom surface of the support bar 21, and a plurality of counterweight blocks 23 are fixed to the same side of the folding piece 22 in sequence from top to bottom. The bottom end of the folding piece 22 can be bent upward from the other side and fixed in position through the locking piece 24.
[0025] The edge of the reinforcing plate body 1 is provided with a plurality of mounting holes 11 , the middle of the reinforcing plate body 1 is provided with a plurality of hollow portions 12 , and the middle of the reinforcing plate body 1 is provided with a plurality of protrusions 13 surrounding each hollow portion 12 .
[0026] The support bar 21 is provided with a plurality of bar body through holes 211 , and the fasteners pass through the bar body through holes 211 and the mounting holes 11 in sequence to connect the reinforcing plate body 1 and the counterweight adjuster 2 .
[0027] When the folding piece 22 is not folded, adjacent surfaces of the counterweight blocks 23 arranged sequentially from top to bottom are closely attached to each other, and a plurality of block through holes are arranged on the counterweight blocks 23 .
[0028] A plurality of reinforcing ribs 25 are sequentially arranged from top to bottom on one side of the folding piece 22 with the counterweight block 23 , and each of the reinforcing ribs 25 is arranged one by one between adjacent surfaces of each counterweight block 23 .
[0029] The cross section of the reinforcing rib 25 is triangular, and one of the tips of the reinforcing rib 25 points to the gap between two adjacent counterweights 23 .
[0030] The locking member 24 includes a chain net 241 and a hook 242. The chain net 241 is laid on the side of the folding piece 22 where the counterweight block 23 is not provided. The hook 242 is fixed to the bottom end of the folding piece 22. When the folding piece 22 is in a bent state, the hook 242 can hook one or several meshes of the chain net 241.
[0031] The locking member 24 further includes a lock buckle 243 , which can close the opening of the hook buckle 242 when the hook buckle 242 hooks the mesh of the chain net 241 .
[0032] The lock buckle 243 includes a side plate 2431, a rotating shaft 2432 and a bolt 2433. The two side plates 2431 are relatively arranged on the side of the hook of the hook buckle 242 away from the hook arm. The rotating shaft 2432 is rotatably connected between the two side plates 2431. The top of the hook is downwardly provided with a notch 2421, the rotating shaft 2432 is provided with an axial through hole, and the side of the hook arm close to the hook is provided with a threaded blind hole. The bottom end of the screw rod of the bolt 2433 passes through the axial through hole and the notch 2421 in turn and then is screwed into the threaded blind hole to close the opening of the hook buckle 242. The screw rod wall of the bolt 2433 is provided with a limiting flange to prevent the bolt 2433 from escaping from the hook and the rotating shaft 2432.
[0033] A protrusion 2434 is provided on one side of the hook arm away from the bent hook, and the threaded blind hole extends into the protrusion 2434 .
[0034] Working process of the present invention:
[0035] First, the reinforcing plate body 1 is mounted on the lower part of the diesel engine body through fasteners. Then, the counterweight regulator 2 is mounted on the reinforcing plate body 1 through a plurality of fasteners that successively pass through the strip body through hole 211 and the mounting hole 11. Next, as required, the bottom end of the flap 22 is bent upward for a certain distance from the side where the counterweight block 23 is not provided, and then the hook of the hook 242 is hooked into one or several meshes of the chain net 241. Subsequently, the bolt 2433 is rotated with the central axis of the rotating shaft 2432 as the axis, so that the screw rod of the bolt 2433 passes through the notch 2421 of the hook, and then the bolt 2433 is rotated with the central axis of the bolt 2433 itself as the axis, so that the bottom end of the screw rod of the bolt 2433 is screwed into the threaded blind hole in the hook arm, thereby closing the opening of the hook 242. In addition, each counterweight block 23 can be fixed on the diesel engine body by fasteners.
[0036] The present invention installs a plurality of counterweight adjusters on the reinforcing plate body respectively by fasteners, and can quickly adjust the total weight of the reinforcing plate body as required, so as to achieve the optimal matching of the weight, stiffness and noise characteristics of the whole machine; the counterweight adjuster is composed of a support bar, a folding piece, a counterweight block and a locking piece, and each counterweight block is located on the same side of the freely bendable folding piece, so that the bending state of the folding piece can be locked by the locking piece, and the center of gravity of the counterweight adjuster can be adjusted; by arranging a plurality of reinforcing ribs with triangular cross sections from top to bottom on the side of the folding piece with the counterweight block, the strength of the folding piece can be effectively improved, thereby extending the service life of the counterweight adjuster; by arranging a lock buckle, the opening of the hook buckle can be closed when the hook buckle hooks the mesh of the chain net, thereby preventing the hook buckle from falling off the chain net; by arranging a side plate, a rotating shaft and a bolt to form a lock buckle, before the hook buckle hooks the chain net, on the one hand, the central axis of the rotating shaft can be used as the axis to make the bolt rotate and move away from the opening, so as to avoid the existence of the bolt affecting the normal hooking, and on the other hand, the bolt can always be located outside the hook buckle to avoid the loss of the bolt.
[0037] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.
Claims
1. A reinforced vibration and noise reduction type body reinforcement plate, characterized in that: The invention comprises a reinforcing plate body (1) and a counterweight regulator (2), wherein a plurality of the counterweight regulators (2) are respectively threadedly connected to the reinforcing plate body (1) via a plurality of fasteners, the counterweight regulator (2) comprising a support bar (21), a folding sheet (22), a counterweight block (23) and a locking piece (24), the top end of the folding sheet (22) being fixed to the bottom surface of the support bar (21), a plurality of counterweight blocks (23) being fixed to the same side of the folding sheet (22) in sequence from top to bottom, the bottom end of the folding sheet (22) being able to be bent upward from the other side and fixed in position via the locking piece (24); a plurality of mounting holes (11) are provided on the edge of the reinforcing plate body (1), a plurality of hollow portions (12) are provided in the middle of the reinforcing plate body (1), and a plurality of hollow portions (12) are also provided in the middle of the reinforcing plate body (1) surrounding each hollow portion (12). The support bar (21) has a plurality of bar body through holes (211), and the fasteners successively pass through the bar body through holes (211) and the mounting holes (11) to connect the reinforcing plate body (1) and the counterweight adjuster (2); the locking member (24) comprises a chain net (241) and a hook (242), the chain net (241) is laid on a side of the folding sheet (22) where no counterweight block (23) is provided, and the hook (242) is fixed to the bottom end of the folding sheet (22), and when the folding sheet (22) is in a bent state, the hook (242) can hook one or more meshes of the chain net (241); the locking member (24) also comprises a lock (243), and the lock (243) can close the opening of the hook (242) when the hook (242) hooks the mesh of the chain net (241).
2. The enhanced vibration and noise reduction type body reinforcement plate according to claim 1, characterized in that: When the folding piece (22) is not folded, adjacent surfaces of the counterweight blocks (23) arranged sequentially from top to bottom are in close contact with each other, and a plurality of block through holes are provided on the counterweight blocks (23).
3. The enhanced vibration and noise reduction type body reinforcement plate according to claim 2, characterized in that: A plurality of reinforcing ribs (25) are sequentially arranged on one side of the folding piece (22) with the counterweight block (23) from top to bottom, and each of the reinforcing ribs (25) is arranged one by one between adjacent surfaces of each of the counterweight blocks (23).
4. The enhanced vibration and noise reduction type body reinforcement plate according to claim 3, characterized in that: The cross section of the reinforcing rib (25) is triangular, and one of the tips of the reinforcing rib (25) points toward the gap between two adjacent counterweight blocks (23).
5. The enhanced vibration and noise reduction type machine body reinforcement plate according to claim 1, characterized in that: The lock buckle (243) comprises a side plate (2431), a rotating shaft (2432) and a bolt (2433). The two side plates (2431) are arranged opposite to each other on the side of the hook of the hook buckle (242) away from the hook arm. The rotating shaft (2432) is rotatably connected between the two side plates (2431). A notch (2421) is provided downwardly at the top of the hook. A shaft through hole is provided on the rotating shaft (2432). A threaded blind hole is provided on the side of the hook arm close to the hook. The bottom end of the screw rod of the bolt (2433) passes through the shaft through hole and the notch (2421) in sequence and then is screwed into the threaded blind hole to close the opening of the hook buckle (242). A limiting flange is provided on the screw rod of the bolt (2433) to prevent the bolt (2433) from coming off the hook and the rotating shaft (2432).
6. The enhanced vibration and noise reduction type machine body reinforcement plate according to claim 5, characterized in that: A protrusion (2434) is provided on the side of the hook arm away from the bent hook, and the threaded blind hole extends into the protrusion (2434).
Citation Information
Patent Citations
Vibration and noise reduction enhancing type machine body reinforcing plate
CN216590611U