Damping-adjustable noise reduction track fastener
By designing an adjustment mechanism in the noise reduction track fastener, including screws, fixing rings, support springs and support piles, the elasticity of the fastener is achieved, and the problem of increasing noise caused by vibration intensity in the prior art is solved, and a better shock absorption effect is achieved.
Patent Information
- Application Number
- CN202421137034.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing noise reduction track fasteners cannot adjust the elastic force during shock absorption, resulting in the inability to adapt to the vibration intensity and causing the problem of increasing noise.
A noise reduction track fastener with adjustable damping is designed to achieve elastic adjustment through the adjustment mechanism. Specifically, it includes a combination of a first screw, a fixing ring, a support spring, a support pile and a second screw, through the interconnection and movement of these components, the length of the support spring is adjusted to adjust the damping performance of the fastener.
The elastic adjustment of the noise reduction track fastener is achieved, which can adapt to different vibration intensities and avoid the problem of increasing noise.
Smart Images
Figure CN222557347U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of track fasteners, in particular to a noise-reducing track fastener with adjustable damping. Background Art
[0002] The main function of noise reduction rail fasteners is to connect the slide rails and sleepers, maintain the track gauge and prevent the longitudinal and lateral movement of the rails relative to the sleepers. The fastener system also has the functions of transmitting the lateral thrust of the rails, adapting to the needs of different rail types and track gauges, and providing a certain degree of elasticity to reduce vibration and delay the accumulation of residual deformation of the track.
[0003] When the existing noise reduction track fasteners are used, the function of the noise reduction track fasteners is to connect the slide rails and the sleepers. However, the existing noise reduction track fasteners cannot adjust the elastic force when performing shock absorption, which may easily cause the problem of increased noise due to the inability to adapt to the vibration intensity. Utility Model Content
[0004] The purpose of the utility model is to provide a noise reduction track fastener with adjustable damping to solve the problem that the existing noise reduction track fasteners proposed in the above background technology cannot adjust the elastic force when performing shock absorption, which easily causes the noise to become louder due to the inability to adapt to the vibration intensity.
[0005] To achieve the above purpose, the utility model provides the following technical solution, a noise reduction track fastener with adjustable damping, comprising:
[0006] The device body comprises a sleeper, a fixing piece is connected to the surface of the sleeper, and a slide rail is connected to the surface of the fixing piece;
[0007] An adjustment mechanism is inserted inside both sides of the bottom of the fixing part, including a first screw rod, a fixing ring is sleeved on the outer wall of the first screw rod, a support spring is connected to the bottom end of the fixing ring, a support pile is connected to the bottom end of the support spring, and a second screw rod is inserted inside both sides of the support pile.
[0008] Preferably, through holes are provided on both sides of the surface of the fixing ring, a thread groove is provided on the bottom surface of the fixing piece, and one end of the first screw rod passes through the through holes provided in the fixing ring and is rotatably connected to the inside of the thread groove provided in the fixing piece.
[0009] Preferably, the bottom end of the support spring is connected to one side of the inner surface of the support pile, and both sides of the bottom end of the fixing ring are slidably connected to the support pile inside the support pile.
[0010] Preferably, through grooves are provided on both sides of the inner surface of the support pile, threaded holes are provided on both sides of the fixing ring, and one end of the second screw rod passes through the through groove provided in the support pile and is rotatably connected to the inside of the threaded hole provided in the fixing ring.
[0011] Preferably, the supporting piles are connected to a limiting structure on both sides, the limiting structure includes a fixing plate, a third screw is inserted inside the fixing plate, a bearing is sleeved on the outer wall of the bottom end of the third screw, limiting rods are connected on both sides of the bearing, and a sliding block is sleeved on the outer wall of one end of the limiting rod.
[0012] Preferably, the slider is connected to the bottom surface of the fixed plate, and limiting grooves are opened on both sides of the slider. One end of the limiting rod is inserted into the limiting groove opened in the slider and is slidably connected to the slider. The bearing is connected to the outer surface of the third screw rod, and the third screw and the limiting rod are movably connected by the bearing.
[0013] Preferably, a slot hole is provided on the surface of the fixing plate, and a second threaded hole is provided on the surface of the sleeper. The bottom end of the third screw rod passes through the slot hole provided in the fixing plate and is rotatably connected to the inside of the second threaded hole provided in the sleeper.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. Connect and fix the fixing part and the fixing ring by passing one end of the first screw through the through hole provided in the fixing ring and rotating it to the inside of the threaded groove provided in the fixing part, rotate the second screw to make it disengage from the inside of the threaded groove provided in the fixing ring, and then move the spacing between the fixing ring and the supporting pile, so that the two sides of the bottom end of the fixing ring slide inside the supporting pile, and the supporting spring contracts. After the spacing adjustment is completed, pass one end of the second screw through the through groove provided in the supporting pile and rotate it to connect it to the inside of the threaded hole provided in the fixing ring, limit the fixing ring, and make the moving position of the fixing ring limited to the length of the through groove provided in the supporting pile, thereby achieving the effect of adjusting the elasticity and avoiding the problem of increased noise due to inability to adapt to vibration intensity.
[0016] 2. The third screw is rotated to make its bottom end rotate and connect to the second threaded hole opened in the sleeper, so as to limit the fixed plate, and the third screw drives the limit rods connected on both sides of the bearing to slide in the limit groove opened in the slider, and the limit rod is used to limit the movement of the third screw so that the third screw is always located inside the fixed plate, and when the third screw rotates, the bearing is used to ensure that the rotation of the third screw does not affect the angle of the limit rod, and the third screw is used to connect and fix the support pile and the sleeper. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a front view and cutaway perspective diagram of the structure of the utility model;
[0019] Figure 3 It is a top view and a partially cutaway three-dimensional schematic diagram of the structure of the utility model;
[0020] Figure 4 For this utility model Figure 3 A in the middle is an enlarged three-dimensional schematic diagram of the structure;
[0021] Figure 5 It is a partially cutaway three-dimensional schematic diagram of the structure of the utility model when viewed from above.
[0022] In the figure: 1. device body; 11. sleeper; 12. fixing piece; 13. slide rail; 2. adjustment mechanism; 21. first screw rod; 22. fixing ring; 23. support spring; 24. support pile; 25. second screw rod; 3. limiting structure; 31. fixing plate; 32. third screw rod; 33. bearing; 34. limiting rod; 35. slider. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-5 , an embodiment provided by the utility model:
[0025] A noise-reducing rail fastener with adjustable damping, comprising:
[0026] The device body 1 includes a sleeper 11, a fixing member 12 is connected to the surface of the sleeper 11, and a slide rail 13 is connected to the surface of the fixing member 12. The internal material of the fixing member 12 is the existing technology and can be purchased on the market. It is not a technical protection point of this application, so no excessive description is made;
[0027] An adjustment mechanism 2 is inserted inside both sides of the bottom of the fixing piece 12, including a first screw 21, a fixing ring 22 is sleeved on the outer wall of the first screw 21, a supporting spring 23 is connected to the bottom end of the fixing ring 22, a supporting pile 24 is connected to the bottom end of the supporting spring 23, and a second screw 25 is inserted inside both sides of the supporting pile 24.
[0028] Furthermore, through holes are opened on both sides of the surface of the fixing ring 22, and a threaded groove is opened on the bottom surface of the fixing piece 12. One end of the first screw 21 passes through the through hole opened in the fixing ring 22 and is rotatably connected to the inside of the threaded groove opened in the fixing piece 12, so that the fixing ring 22 and the fixing piece 12 are connected and fixed by the first screw 21.
[0029] Furthermore, the bottom end of the support spring 23 is connected to one side of the inner surface of the support pile 24, and both sides of the bottom end of the fixing ring 22 are slidingly connected to the support pile 24 inside the support pile 24, so that the bottom end of the fixing ring 22 is moved and limited by the support pile 24.
[0030] Furthermore, through grooves are opened on both sides of the inner surface of the support pile 24, and threaded holes are opened on both sides of the fixing ring 22. One end of the second screw 25 passes through the through groove opened in the support pile 24 and is rotatably connected to the inside of the threaded hole opened in the fixing ring 22, so that the moving position of the fixing ring 22 is limited by the second screw 25.
[0031] Furthermore, the supporting pile 24 is connected to a limiting structure 3 on both sides, and the limiting structure 3 includes a fixing plate 31, a third screw 32 is inserted inside the fixing plate 31, a bearing 33 is sleeved on the outer wall of the bottom end of the third screw 32, limiting rods 34 are connected to both sides of the bearing 33, and a slider 35 is sleeved on the outer wall of one end of the limiting rod 34, so that the supporting pile 24 and the sleeper 11 are connected and fixed by the third screw 32.
[0032] Furthermore, the slider 35 is connected to the bottom surface of the fixed plate 31, and limiting grooves are opened on both sides of the slider 35. One end of the limiting rod 34 is inserted into the limiting groove opened in the slider 35 and is slidably connected to the slider 35. The bearing 33 is connected to the outer surface of the third screw 32. The third screw 32 and the limiting rod 34 are movably connected by the bearing 33, so that the bearing 33 can be used to realize that the angle of the limiting rod 34 is not affected when the third screw 32 rotates.
[0033] Furthermore, a slot is provided on the surface of the fixing plate 31, and a second threaded hole is provided on the surface of the sleeper 11. The bottom end of the third screw 32 passes through the slot provided in the fixing plate 31 and is rotatably connected to the inside of the second threaded hole provided in the sleeper 11, thereby limiting the fixing plate 31 through the third screw 32.
[0034] Working principle: When adjusting the noise reduction rail fastener, the fixing part 12 and the fixing ring 22 are connected and fixed by passing one end of the first screw rod 21 through the through hole provided in the fixing ring 22 and rotating it to be connected to the inside of the threaded groove provided in the fixing part 12, and then rotating the second screw rod 25 to make it disengage from the inside of the threaded groove provided in the fixing ring 22, and then moving the spacing between the fixing ring 22 and the supporting pile 24, so that the two sides of the bottom end of the fixing ring 22 slide inside the supporting pile 24, and the supporting spring 23 is contracted. After the spacing adjustment is completed, pass one end of the second screw rod 25 through the through groove provided in the supporting pile 24 and rotate it to be connected to the inside of the threaded hole provided in the fixing ring 22, and limit the fixing ring 22 so that the moving position of the fixing ring 22 is limited to the length of the through groove provided in the supporting pile 24, thereby achieving the effect of adjusting the elasticity.
[0035] When the damping-adjustable noise reduction rail fastener is limited, the third screw 32 is rotated to make its bottom end rotate and connect to the second threaded hole opened in the sleeper 11, so as to limit the fixing plate 31, and the third screw 32 drives the limiting rods 34 connected on both sides of the bearing 33 to slide in the limiting groove opened in the slider 35, and the limiting rods 34 are used to limit the movement of the third screw 32 so that the third screw 32 is always located in the fixing plate 31, and when the third screw 32 rotates, the bearing 33 is used to ensure that the rotation of the third screw 32 does not affect the angle of the limiting rod 34, and the third screw 32 is used to connect and fix the support pile 24 and the sleeper 11.
[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A noise-reducing rail fastener with adjustable damping, characterized in that: include: The device body (1) comprises a rail sleeper (11), the surface of the rail sleeper (11) is connected to a fixing member (12), and the surface of the fixing member (12) is connected to a slide rail (13); An adjusting mechanism (2) is inserted inside the two sides of the bottom of the fixing member (12), comprising a first screw rod (21), a fixing ring (22) is sleeved on the outer wall of the first screw rod (21), a supporting spring (23) is connected to the bottom end of the fixing ring (22), a supporting pile (24) is connected to the bottom end of the supporting spring (23), and a second screw rod (25) is inserted inside the two sides of the supporting pile (24).
2. A noise-reducing rail fastener with adjustable damping according to claim 1, characterized in that: Through holes are provided on both sides of the surface of the fixing ring (22), a thread groove is provided on the bottom surface of the fixing piece (12), and one end of the first screw rod (21) passes through the through holes provided in the fixing ring (22) and is rotatably connected to the inside of the thread groove provided in the fixing piece (12).
3. The noise-reducing rail fastener with adjustable damping according to claim 1, characterized in that: The bottom end of the support spring (23) is connected to one side of the inner surface of the support pile (24), and both sides of the bottom end of the fixing ring (22) are slidably connected to the support pile (24) inside the support pile (24).
4. The noise-reducing rail fastener with adjustable damping according to claim 1, characterized in that: Through grooves are provided on both sides of the inner surface of the support pile (24), and threaded holes are provided on both sides of the fixing ring (22). One end of the second screw rod (25) passes through the through grooves provided in the support pile (24) and is rotatably connected to the inside of the threaded hole provided in the fixing ring (22).
5. The noise-reducing rail fastener with adjustable damping according to claim 1, characterized in that: The support pile (24) is connected to a limiting structure (3) on both sides, the limiting structure (3) comprises a fixing plate (31), a third screw rod (32) is inserted inside the fixing plate (31), a bearing (33) is sleeved on the outer wall of the bottom end of the third screw rod (32), limiting rods (34) are connected to both sides of the bearing (33), and a slider (35) is sleeved on the outer wall of one end of the limiting rod (34).
6. A noise-reducing rail fastener with adjustable damping according to claim 5, characterized in that: The slider (35) is connected to the bottom surface of the fixed plate (31), and limiting grooves are provided on both sides of the slider (35). One end of the limiting rod (34) is inserted into the limiting groove provided in the slider (35) and is slidably connected to the slider (35). The bearing (33) is connected to the outer surface of the third screw rod (32), and the third screw rod (32) and the limiting rod (34) are movably connected by the bearing (33).
7. The noise-reducing rail fastener with adjustable damping according to claim 5, characterized in that: A slot hole is provided on the surface of the fixing plate (31), a second threaded hole is provided on the surface of the rail sleeper (11), and the bottom end of the third screw rod (32) passes through the slot hole provided in the fixing plate (31) and is rotatably connected to the inside of the second threaded hole provided in the rail sleeper (11).