High-strength silicone oil shock absorber
By designing a continuous pre-tightening structure on the silicone oil shock absorber, the problems of bolt loosening and insufficient pre-tightening force are solved, achieving high-strength connection and real-time monitoring, thus ensuring the stability and safety of the engineering machinery cab.
Patent Information
- Application Number
- CN202520909334.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-09
AI Technical Summary
Existing silicone oil shock absorbers in construction machinery are prone to bolt loosening, insufficient preload, and difficulty in monitoring loosening, which affects connection strength and cab stability, posing safety hazards.
Design a high-strength silicone oil shock absorber with a continuous preload structure, including components such as a fixed plate, fixed block, reinforcing ribs, movable block, pressure sensor and disc spring, to provide continuous preload force and monitor the changes in bolt preload force in real time.
By continuously pre-tightening the structure to automatically compensate for loose bolts, the connection strength is improved, the stability of the cab is ensured, and a loosening signal is promptly fed back to avoid safety hazards.
Smart Images
Figure CN223953160U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silicone oil shock absorber, specifically to a high strength silicone oil shock absorber. BACKGROUND
[0002] Silicone oil shock absorber is widely used in the cab damping system of engineering machinery (such as excavator), and is usually fixed on the four corners of the bottom of the cab by bolts.
[0003] However, the silicone oil shock absorber in the prior art has the following significant disadvantages in actual use:
[0004] 1. Looseness of bolts: due to the continuous vibration and impact generated during the operation of engineering machinery, the bolts for fixing the shock absorber are prone to gradual loosening, resulting in a decrease in connection strength and affecting the damping effect and stability of the cab;
[0005] 2. Insufficient pre-tightening force: the traditional installation method lacks a continuous pre-tightening force compensation mechanism, and the bolts cannot be automatically adjusted after loosening, further increasing the risk of connection failure;
[0006] 3. Difficulty in monitoring loosening: the initial loosening of the bolts is not easy to detect, and the problem is often discovered when it is serious, which poses a safety hazard and may lead to more serious mechanical failures if not addressed in time.
[0007] Therefore, we propose a high strength silicone oil shock absorber. CONTENT OF THE UTILITY MODEL
[0008] (I) Technical problem solved
[0009] In view of the deficiencies of the prior art, the utility model provides a high strength silicone oil shock absorber, which can provide continuous pre-tightening force after installation of the silicone oil shock absorber, increase the strength of the connection, and effectively solve the problems in the background art.
[0010] (II) Technical scheme
[0011] To achieve the above purpose, the utility model adopts the technical scheme: a high strength silicone oil shock absorber, comprising a silicone oil shock absorber, a fixed plate is fixedly installed on the outer wall of the upper part of the silicone oil shock absorber, first installation holes are formed in the four corners of the outer surface of the upper end of the fixed plate, through grooves are formed in the left and right sides of the outer surface of the upper end of the fixed plate, continuous pre-tightening structures are installed on the left and right sides of the outer surface of the lower end of the fixed plate, the continuous pre-tightening structure comprises a fixed block, a reinforcing rib, an installation slot, a movable block, a second installation hole, a pressure sensor, a guide hole, a disc spring and a guide rod, and the through groove penetrates to the outer surface of the lower end of the fixed plate.
[0012] Preferably, the movable block penetrates the through groove, and the outer wall of the movable block is in sliding connection with the through groove.
[0013] Preferably, the fixed block is located below the through slot, and the upper end outer surface of the fixed block is fixedly connected with the lower end outer surface of the fixed plate, the mounting slot is arranged on the upper end outer surface of the fixed block, and the reinforcing rib is fixed between the outer wall of the fixed block and the lower end outer surface of the fixed plate.
[0014] Preferably, the number of the guide holes, guide rods, second mounting holes and pressure sensors in one set of the continuous pre-tightening structure is two, the two sets of second mounting holes are arranged at the left and right ends of the upper end outer surface of the movable block, the pressure sensors are mounted in the second mounting holes, and the probes of the pressure sensors extend to the upper part of the movable block.
[0015] Preferably, the guide holes are arranged at the left and right ends of the lower end outer surface of the movable block, the two sets of guide rods are fixed at the left and right ends of the bottom of the mounting slot, the movable block is in sliding connection with the outer walls of the guide rods through the guide holes, and the outer wall of the movable block is in sliding connection with the mounting slot.
[0016] Preferably, a disc spring is fixedly mounted at the middle of the lower end outer surface of the movable block, the lower end outer surface of the disc spring is fixedly connected with the middle of the bottom of the mounting slot, and the lower end outer surface of the movable block is elastically connected with the bottom of the mounting slot through the disc spring.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the utility model provides a high strength silicone oil shock absorber has the following beneficial effects:
[0019] 1、 this high strength silicone oil shock absorber, through the setting of the continuous pre-tightening structure, after bolt installation, disc spring can provide the continuous elastic pre-tightening force, automatic compensation due to the bolt loosening caused by vibration, ensure that the connection is always stable, significantly improve the connection strength between shock absorber and cab.
[0020] 2、 this high strength silicone oil shock absorber, reinforcing rib is equipped between fixed block and fixed plate, effectively improve the support strength of fixed block and the stability of overall structure, make it not easy to deform or break under long-term vibration working condition.
[0021] 3、 this high strength silicone oil shock absorber, the pressure sensor installed on the movable block can monitor the pre-tightening force change of bolt in real time, once the pre-tightening force drops (indicates that the bolt loosens), the pressure sensor will feedback signal in time, and the operator can take maintenance measures, to avoid security risks. ACCURACY OF DRAWINGS
[0022] Figure 1 It is the overall structure schematic view of the utility model high strength silicone oil shock absorber.
[0023] Figure 2A partial structure schematic view of the high-strength silicone oil shock absorber.
[0024] Figure 3 A structure schematic view of the continuous pre-tightening structure in the high-strength silicone oil shock absorber.
[0025] Figure 4 A side view sectional view of the continuous pre-tightening structure in the high-strength silicone oil shock absorber.
[0026] In the figure: 1, fixed plate; 2, silicone oil shock absorber; 3, first mounting hole; 4, continuous pre-tightening structure; 5, through slot; 6, fixed block; 7, reinforcing rib; 8, mounting groove; 9, movable block; 10, second mounting hole; 11, pressure sensor; 12, guide hole; 13, disc spring; 14, guide rod. DETAILED DESCRIPTION
[0027] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0028] The embodiment is a high-strength silicone oil shock absorber.
[0029] As shown in Figures 1-4 , it comprises a silicone oil shock absorber 2, a fixed plate 1 is fixedly installed on the outer wall of the upper portion of the silicone oil shock absorber 2, first mounting holes 3 are formed in the four corners of the outer surface of the upper end of the fixed plate 1, through slots 5 are formed on the left and right sides of the outer surface of the upper end of the fixed plate 1, continuous pre-tightening structures 4 are installed on the left and right sides of the outer surface of the lower end of the fixed plate 1, the continuous pre-tightening structure 4 comprises a fixed block 6, a reinforcing rib 7, a mounting groove 8, a movable block 9, a second mounting hole 10, a pressure sensor 11, a guide hole 12, a disc spring 13 and a guide rod 14, and the through slots 5 penetrate to the outer surface of the lower end of the fixed plate 1.
[0030] The movable block 9 penetrates through the through slot 5, and the outer wall of the movable block 9 is in sliding connection with the through slot 5; the fixed block 6 is located below the through slot 5, and the upper end outer surface of the fixed block 6 is fixedly connected with the lower end outer surface of the fixed plate 1; the mounting slot 8 is arranged on the upper end outer surface of the fixed block 6, and the reinforcing rib 7 is fixed between the outer wall of the fixed block 6 and the lower end outer surface of the fixed plate 1; the number of the guide hole 12, the guide rod 14, the second mounting hole 10 and the pressure sensor 11 in one set of the continuous pre-tightening structure 4 is two, the two second mounting holes 10 are arranged on the left and right ends of the upper end outer surface of the movable block 9, the pressure sensor 11 is installed in the second mounting hole 10, and the probe of the pressure sensor 11 extends to the upper part of the movable block 9; the guide hole 12 is arranged on the left and right ends of the lower end outer surface of the movable block 9, the two guide rods 14 are fixed on the left and right ends of the bottom of the mounting slot 8, the outer wall of the movable block 9 is in sliding connection with the guide hole 12 and the guide rod 14, and the outer wall of the movable block 9 is in sliding connection with the mounting slot 8; the disc spring 13 is fixedly installed on the middle part of the lower end outer surface of the movable block 9, the lower end outer surface of the disc spring 13 is fixedly connected with the middle part of the bottom of the mounting slot 8, and the lower end outer surface of the movable block 9 is elastically connected with the bottom of the mounting slot 8 through the disc spring 13.
[0031] It should be noted that the utility model is a kind of high-strength silicone shock absorber, fixed plate 1, silicone shock absorber 2 and first mounting hole 3 described in the present application all belong to prior art, which can be effectively known by those skilled in the art, and specific details will not be repeated;The continuous pre-tightening structure 4 is arranged, and the fixed plate 1 on the upper outer wall of the silicone shock absorber 2 is fixed on the bottom of the cab by bolt, the movable block 9 in the continuous pre-tightening structure 4 is extruded, the movable block 9 slides along the through slot 5 and the mounting slot 8, the movable block 9 extrudes the disc spring 13, the movable block 9 slides along the guide rod 14 through the guide hole 12, so that the upper end of the movable block 9 enters the through slot 5, after installation, the disc spring 13 provides continuous pre-tightening force, eliminates the looseness after bolt connection, and improves the strength of connection;Pressure sensor 11 is installed on the upper part of the movable block 9, and the pressure sensor 11 can monitor the pressure, and can feedback in time when the bolt is loose, to improve safety.
[0032] It is to be noted that, in this document, the terms such as first and second, etc. are used merely to distinguish one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprising", "including", or any other variant 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the stated element.
[0033] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A high-strength silicone oil shock absorber, comprising a silicone oil shock absorber (2), wherein a fixing plate (1) is fixedly installed on the upper outer wall of the silicone oil shock absorber (2), and first mounting holes (3) are provided at the four corners of the upper outer surface of the fixing plate (1), characterized in that: The upper outer surface of the fixed plate (1) is provided with through slots (5) on both the left and right sides. The lower outer surface of the fixed plate (1) is provided with continuous pre-tightening structures (4) on both the left and right sides. The continuous pre-tightening structure (4) includes a fixed block (6), a reinforcing rib (7), a mounting slot (8), a movable block (9), a second mounting hole (10), a pressure sensor (11), a guide hole (12), a disc spring (13), and a guide rod (14). The through slots (5) extend to the lower outer surface of the fixed plate (1).
2. The high-strength silicone oil shock absorber according to claim 1, characterized in that: The movable block (9) passes through the through groove (5), and the outer wall of the movable block (9) and the through groove (5) are slidably connected.
3. A high-strength silicone oil shock absorber according to claim 2, characterized in that: The fixing block (6) is located below the through groove (5), and the upper outer surface of the fixing block (6) is fixedly connected to the lower outer surface of the fixing plate (1). The mounting groove (8) is opened on the upper outer surface of the fixing block (6), and the reinforcing rib (7) is fixed between the outer wall of the fixing block (6) and the lower outer surface of the fixing plate (1).
4. A high-strength silicone oil shock absorber according to claim 3, characterized in that: In a set of continuous pre-tightening structures (4), there are two sets of guide holes (12), guide rods (14), second mounting holes (10) and pressure sensors (11). The two sets of second mounting holes (10) are opened at the left and right ends of the upper outer surface of the movable block (9). The pressure sensor (11) is installed in the second mounting hole (10), and the probe of the pressure sensor (11) extends to the upper part of the movable block (9).
5. A high-strength silicone oil shock absorber according to claim 4, characterized in that: The guide hole (12) is opened at the left and right ends of the lower outer surface of the movable block (9). The two sets of guide rods (14) are fixed at the left and right ends of the bottom of the mounting groove (8). The movable block (9) is slidably connected to the outer wall of the guide rod (14) through the guide hole (12). The outer wall of the movable block (9) and the mounting groove (8) are slidably connected.
6. A high-strength silicone oil shock absorber according to claim 5, characterized in that: A disc spring (13) is fixedly installed in the middle of the lower outer surface of the movable block (9). The lower outer surface of the disc spring (13) is fixedly connected to the middle of the bottom of the mounting groove (8). The lower outer surface of the movable block (9) is elastically connected to the bottom of the mounting groove (8) through the disc spring (13).