Rail fastener protection device
By designing a rail fastener protection device for subway track construction, the problem of cement filling caused by unprotected fasteners during construction is solved, effective protection of fasteners is achieved, and construction efficiency and environmental protection effect are improved.
Patent Information
- Application Number
- CN201810792180.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-07-18
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2038-07-18
AI Technical Summary
During the construction of existing subway tracks, the vibration-absorbing fasteners are not protected against anti-fouling sludge when pouring cement, resulting in cement being poured into the fastener, affecting the stiffness and durability of the fastener, and thus affecting the comfort, stability and safety of the track.
A rail fastener protection device is designed, including a first and a second protective cover symmetrically mounted on both sides of the rail. The protective cover includes a protective cover plate and a side guard plate to form a receiving cavity to protect the fastener, and ensure the stability of the device through an elastic fixing member and an over-tight fit.
Effectively prevent cement from entering the fastener, improve the stiffness and durability of the fastener, reduce construction workload, and avoid waste and environmental pollution.
Smart Images

Figure CN110735363B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of rail transportation, and specifically provides a rail fastener protection device. Background Art
[0002] During the installation and construction of existing subway tracks, some sections of the track did not provide anti-fouling and mud-blocking protection for the vibration-damping fasteners when pouring cement, resulting in cement pouring into the vibration-damping fasteners, which would affect the rigidity and durability of the fasteners, thereby affecting the comfort, stability and safety of the track. Some sections of the track that require anti-fouling protection mostly use plastic paper to wrap the vibration-damping fasteners for anti-fouling and mud-blocking protection. Wrapping the fasteners with plastic paper is troublesome and requires a large amount of work. The plastic paper used on site is a disposable consumable. Not only can it not be recycled, causing waste, but the large amount of plastic paper used to wrap the fasteners causes white pollution, which is not conducive to environmental protection.
[0003] In view of this, the present invention is proposed. Summary of the invention
[0004] The object of the present invention is to provide a rail fastener protection device to solve the above-mentioned problem.
[0005] In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme:
[0006] A rail fastener protection device is provided. The rail is fixedly mounted on the fastener. The protection device comprises a first protection cover and a second protection cover. The first protection cover and the second protection cover are symmetrically mounted on both sides of the rail and accommodate the fastener.
[0007] Preferably, the first protective cover and the second protective cover both include a protective cover plate, and side guard plates are provided at both ends of the protective cover plate; the protective cover plate includes a mating side surface, a protective top surface, and a protective side surface connected in sequence, and the mating side surface, protective top surface, and protective side surface cooperate with the side guard plates at both ends to form a accommodating cavity, and the accommodating cavity accommodates fasteners.
[0008] Preferably, the matching side surfaces on the first protective cover and the second protective cover both match with the waist of the rail.
[0009] Preferably, the side guard plates of the first protective cover and the second protective cover are both provided with accommodating grooves, and the accommodating grooves cooperate with the rail feet of the rails.
[0010] Preferably, the first protective cover and the second protective cover are both provided with grooves, and elastic fixing members are provided in the grooves, and the elastic fixing members fix and connect the first protective cover and the second protective cover installed on both sides of the rail.
[0011] Preferably, an insert strip is provided at the lower end of the first protective cover, and an insert hole is provided at the lower end of the second protective cover, and the insert strip on the first protective cover is interference fit with the insert hole.
[0012] Preferably, the side guard plates of the first protective cover and the second protective cover are both provided with a first matching portion, and the first matching portion matches with the upper surface of the rail foot of the rail.
[0013] Preferably, the fastener is fixed to the roadbed by means of spikes; the first protective cover and the second protective cover are both provided with second limiting grooves on their respective protective top surfaces, and the second limiting grooves correspond to the spikes and are tightly fitted with the spikes.
[0014] Preferably, the fastener is provided with an elastic bar, which fixes the rail; the elastic bar is fixed by bolts and nuts; the first protective cover and the second protective cover are both provided with a first limiting groove on their respective protective top surfaces, and the first limiting groove corresponds to the bolt on the fastener and is tightly fitted with the bolt end or the nut.
[0015] Preferably, the protective device comprises a dirt baffle, which is mounted on the rail foot and is clamped and fixed by a first protective cover and a second protective cover located on both sides of the rail.
[0016] Beneficial Effects
[0017] The present invention designs a rail fastener protection device, which is made of high-performance materials, has good anti-fouling and mud-blocking effects, is easy to install and disassemble, and can be reused. It not only meets the requirements of blocking cement during the installation of vibration-damping fasteners, but also greatly reduces the workload, while avoiding waste and environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic structural diagram of the rail fastener system of the present invention from a first viewing angle;
[0019] Figure 2 It is a structural schematic diagram of the rail fastener system of the present invention from a second viewing angle;
[0020] Figure 3 This is a schematic diagram of the overall structure of an anti-fouling protection device according to an embodiment of the present invention;
[0021] Figure 4 This is a cross-sectional view of the overall structure of the anti-fouling protection device according to the first embodiment of the present invention;
[0022] Figure 5 This is a schematic diagram of the monomer structure of the anti-fouling protection device according to the first embodiment of the present invention;
[0023] Figure 6 This is a schematic diagram of the overall structure of the anti-fouling protection device of Embodiment 2 of the present invention;
[0024] Figure 7 This is a schematic diagram of the structure of a first protective cover of an anti-fouling protection device according to a second embodiment of the present invention;
[0025] Figure 8 This is a schematic diagram of the structure of a second protective cover of the anti-fouling protection device according to the second embodiment of the present invention;
[0026] Fig. 9 This is a schematic diagram of the overall structure of the anti-fouling protection device of Embodiment 3 of the present invention;
[0027] Fig.10 This is a cross-sectional view of the overall structure of the anti-fouling protection device of Embodiment 3 of the present invention;
[0028] Fig.11 A cross-sectional view of the protective cover structure of the anti-fouling protection device of the third embodiment of the present invention;
[0029] Fig.12 This is a schematic diagram of the coordination structure of the rail and the protective plate of the anti-fouling protection device according to an embodiment of the present invention.
[0030] Description of Reference Numerals
[0031] In order to further clearly illustrate the structure of the present invention and the connection relationship between the various components, the following figure numbers are given and explained.
[0032] Rail 1, fastener 2, T-bolt 3, W-shaped spring bar 4, spike 5, protective cover 6, first protective cover 61, second protective cover 62, side guard plate 63, accommodating groove 631, first matching portion 6311, second matching portion 6312, protruding block 6313, protective cover plate 64, accommodating cavity 640, matching side surface 641, protective top surface 642, protective side surface 643, first limiting groove 645, second limiting groove 646, support plate 65, groove 651, protrusion 652, socket 653, insertion strip 654, elastic fixing member 7, dirt baffle 8.
[0033] Through the above-mentioned description of the accompanying drawings, combined with the embodiments of the present invention, the technical solution of the present invention can be more clearly understood and explained. DETAILED DESCRIPTION
[0034] The present invention is further described below in conjunction with specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the scope of protection claimed in the present invention is not limited to the scope described in the specific embodiments. It should be noted that the embodiments in this application and the features in the embodiments can be combined with each other arbitrarily without conflict.
[0035] Embodiment 1
[0036] A rail fastener protection device, such as Figure 1-Figure 2The rail 1 is fixedly mounted on the fastener 2, and the fastener 2 is fixed to the ballast bed through spikes 5. The fastener 2 is provided with a spring bar seat, and the spring bar seat is equipped with a W spring bar 4. The W spring bar 4 is fixed to the fastener 2 through a T-bolt 3, and the W spring bar 4 presses the rail 1, thereby fixing the rail 1 and the fastener 2 together.
[0037] like Figure 3-Figure 5 The anti-fouling protection device includes a protective cover 6, and the protective cover 6 includes a first protective cover 61 and a second protective cover 62. The first protective cover 61 and the second protective cover 62 are symmetrically installed on both sides of the rail 1, and accommodate the fastener 2 to protect it. The first protective cover 61 includes a protective cover plate 64, and side guard plates 63 are provided at both ends of the protective cover plate 64; the protective cover plate 64 includes a matching side surface 641, a protective top surface 642, and a protective side surface 643 connected in sequence, and the matching side surface 641, the protective top surface 642, and the protective side surface 643 cooperate with the side guard plates 63 at both ends to form a receiving cavity 640; the receiving cavity 640 forms a receiving space to accommodate the fastener 2, so as to protect the fastener 2. The matching side surface 641 on the protective cover plate 64 cooperates with the waist of the rail 1.
[0038] The two side guard plates 63 and the protective side surface 643 extend downward to form a U-shaped support plate 65. The support plate 65 is provided with a protrusion 652 and a groove 651 along its circumference, and the protrusion 652 and the groove 651 are arranged in parallel. An elastic fixing member 7 is arranged in the groove 651.
[0039] A receiving groove 631 is provided at the connection between the side guard plate 63 and the support plate 65, and the receiving groove 631 cooperates with the rail foot of the rail 1 to accommodate the rail foot of the rail 1. The receiving groove 631 is opened and arranged on the side close to the matching side surface 641, and the receiving groove 631 includes a first matching portion 6311 and a second matching portion 6312, wherein the first matching portion 6311 cooperates with the upper surface of the rail foot of the rail 1, and the second matching portion 6312 cooperates with the bottom of the rail foot of the rail 1. The receiving groove 631 and the matching side surface 641 cooperate with the rail 1 together.
[0040] The second protective cover 62 has the same structure as the first protective cover 61 and is symmetrically installed on both sides of the rail 1 to form a rail accommodating portion; the rail accommodating portion matches the shape of the rail waist and rail foot of the rail. The elastic fixing member 7 fixes the first protective cover 61 and the second protective cover 62 installed on both sides of the rail 1, so that the protective cover 6 is connected to the rail, thereby ensuring that the first protective cover 61 and the second protective cover 62 will not fall off during the construction process, and can effectively protect the fastener 2. The elastic fixing member 7 is a rubber band.
[0041] A rail fastener protection device described in this embodiment can effectively prevent pollution and block mud during the subway track construction process. The protective cover of the device is installed laterally inward from the fasteners on both sides of the rails. The protective cover is constrained by elastic fixings and the protection cover cooperates with the fasteners and the rails. The protection cover meets the stability requirements during use. After installation, the protection cover can achieve the effect of preventing pollution and blocking mud during the subway track construction process.
[0042] Embodiment 2
[0043] A rail fastener protection device, such as Figure 1-Figure 2 The rail 1 is fixedly mounted on the fastener 2, and the fastener 2 is fixed to the ballast bed through spikes 5. The fastener 2 is provided with a spring bar seat, and the spring bar seat is equipped with a W spring bar 4. The W spring bar 4 is fixed to the fastener 2 through a T-bolt 3, and the W spring bar 4 presses the rail 1, thereby fixing the rail 1 and the fastener 2 together.
[0044] like Figure 6-Figure 8 The anti-fouling protection device includes a protective cover 6, which includes a first protective cover 61 and a second protective cover 62. The first protective cover 61 and the second protective cover 62 are symmetrically installed on both sides of the rail 1 to form a rail accommodating portion; the rail accommodating portion is consistent with the shape of the rail waist and rail foot of the rail; the protective cover 6 protects the fastener 2. The first protective cover 61 includes a protective cover plate 64, and side guard plates 63 are provided at both ends of the protective cover plate 64; the protective cover plate 64 includes a matching side surface 641, a protective top surface 642, and a protective side surface 643 connected in sequence, and the matching side surface 641, the protective top surface 642, and the protective side surface 643 cooperate with the side guard plates 63 at both ends to form a accommodating cavity 640; the accommodating cavity 640 forms an accommodating space to accommodate the fastener 2, thereby protecting the fastener 2. The matching side surface 641 on the protective cover plate 64 cooperates with the rail waist of the rail 1.
[0045] The two side guard plates 63 and the protective side surface 643 extend downward to form a U-shaped support plate 65. A receiving groove 631 is provided at the connection between the side guard plate 63 and the support plate 65. The receiving groove 631 matches with the rail foot of the rail 1 to accommodate the rail foot of the rail 1. The support plate 65 is located adjacent to the receiving groove 631 to form an insertion strip 654. The receiving groove 631 is opened on the side close to the matching side surface 641. The receiving groove 631 includes a first matching portion 6311, which matches with the upper surface of the rail foot of the rail 1. The side wall of the insertion strip 654 close to the receiving groove 631 is a second matching portion 6312.
[0046] The second protective cover 62 has the same protective cover principle as the first protective cover 61, and the main difference is that the insertion strip 654 on the second protective cover 62 extends in a direction away from the protective side surface 643, and its length is greater than the length of the insertion strip 654 on the first protective cover 61. The insertion strip 654 on the second protective cover 62 is provided with an insertion hole 653, and the insertion strip 654 on the first protective cover 61 is installed in the insertion hole 653, and the insertion strip 654 on the first protective cover 61 is interference-fitted with the insertion hole 653. The second matching portion 6312 is provided with a protrusion block 6313 to ensure that the first protective cover 61 and the second protective cover 62 are tightly matched, thereby ensuring that the first protective cover 61 and the second protective cover 62 will not fall off during the construction process.
[0047] The present invention provides a rail fastener protection device, which can effectively prevent pollution and block mud during the construction of subway tracks. The protective covers of the device are installed laterally inward from both sides of the rails along the fasteners. The first protective covers and the second protective covers on the left and right sides are plug-in matched. By utilizing the cooperation between the first protective covers and the second protective covers on the left and right sides, and the cooperation between the protective covers and the fasteners and the rails, the protective covers meet the stability requirements during use. After installation, the protective covers can achieve the effect of preventing pollution and blocking mud during the construction of subway tracks.
[0048] Embodiment 3
[0049] A rail fastener protection device, such as Figure 1-Figure 2 The rail 1 is fixedly mounted on the fastener 2, and the fastener 2 is fixed to the ballast bed through spikes 5. The fastener 2 is provided with a spring bar seat, and the spring bar seat is equipped with a W spring bar 4. The W spring bar 4 is fixed to the fastener 2 through a T-bolt 3, and the W spring bar 4 presses the rail 1, thereby fixing the rail 1 and the fastener 2 together.
[0050] like Figure 9-12 The anti-fouling protection device includes a protective cover 6, which includes a first protective cover 61 and a second protective cover 62. The first protective cover 61 and the second protective cover 62 are symmetrically installed on both sides of the rail 1 to form a rail accommodating portion; the rail accommodating portion is consistent with the shape of the rail waist and rail foot of the rail; the protective cover 6 protects the fastener 2. The first protective cover 61 includes a protective cover plate 64, and side guard plates 63 are provided at both ends of the protective cover plate 64; the protective cover plate 64 includes a matching side surface 641, a protective top surface 642, and a protective side surface 643 connected in sequence, and the matching side surface 641, the protective top surface 642, and the protective side surface 643 cooperate with the side guard plates 63 at both ends to form a accommodating cavity 640; the accommodating cavity 640 forms an accommodating space to accommodate the fastener 2, thereby protecting the fastener 2. The matching side surface 641 on the protective cover plate 64 cooperates with the rail waist of the rail 1.
[0051] The side guard plate 63 is provided with a first matching portion 6311 , and the first matching portion 6311 matches with the upper surface of the rail foot of the rail 1 .
[0052] The protective cover plate 64 is provided with a first limiting groove 645 and a second limiting groove 646 on the protective top surface 642. The first limiting groove 645 corresponds to the T-bolt 3 on the fastener 2 and is tightly fitted with the end of the T-bolt 3 or the nut installed on the end thereof; the second limiting groove 646 corresponds to the spike 5 on the fastener 2 and is tightly fitted with the spike 5.
[0053] The protective device includes a dirt baffle 8, which is provided with a rail mounting groove, the rail mounting groove is consistent with the shape of the rail foot of the rail 1, and the rail foot of the rail 1 is installed in the rail mounting groove, so that the dirt baffle 8 is suspended on the rail foot of the rail 1. The dirt baffle 8 is installed on both sides of the fastener 2 and is parallel to the edge of the fastener 2. The horizontal length of the dirt baffle 8 along the fastener 2 is slightly larger than the distance between the two protective side surfaces 643 on the first protective cover 61 and the second protective cover 62 after installation. Therefore, the first protective cover 61 and the second protective cover 62 after installation can clamp the dirt baffle 8.
[0054] The present invention provides a rail fastener protection device, which can effectively prevent pollution and mud during the construction of subway tracks. Considering the factors of the construction environment, when the protection device cannot be installed inward from the left and right sides of the rail, in this embodiment, the device hangs a mud guard at the bottom of the rail, installs the protective cover from the top of the rail downward, and clamps the mud guard while clamping the fastener by an over-tight fit; the first limiting groove and the second limiting groove on the mud guard cover, the cooperation of the first and second protective covers on the left and right sides, the cooperation between the protective cover and the fastener and the rail are used to make the protective cover meet the stability requirements during use, and after installation, the protective cover can achieve the effect of preventing pollution and mud during the construction of subway tracks.
[0055] The present invention designs a rail fastener protection device, which is made of high-performance materials, has good anti-fouling and mud-blocking effects, is easy to install and disassemble, and can be reused. It not only meets the requirements of blocking cement during the installation of vibration-damping fasteners, but also greatly reduces the workload, while avoiding waste and environmental pollution.
[0056] In the description of this application, "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or a connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0057] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0058] Those skilled in the art should understand that although the embodiments disclosed in the embodiments of the invention are as above, the contents described are only embodiments adopted to facilitate understanding of the invention and are not intended to limit the embodiments of the invention. Any person skilled in the art of the embodiments of the invention may make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed in the invention, but the scope of patent protection of the embodiments of the invention shall still be subject to the scope defined by the attached claims.
Claims
1. A rail fastener protection device, wherein a rail (1) is fixedly mounted on a fastener (2), characterized in that: The protective device comprises a first protective cover (61) and a second protective cover (62), wherein the first protective cover (61) and the second protective cover (62) are symmetrically mounted on both sides of the rail (1) and accommodate fasteners (2); the first protective cover (61) and the second protective cover (62) both comprise a protective cover plate (64), and side guard plates (63) are provided at both ends of the protective cover plate (64); the protective cover plate (64) comprises a matching side surface (641), a protective top surface (642), and a protective side surface (643) connected in sequence, wherein the matching side surface (641), the protective top surface (642), and the protective side surface (643) cooperate with the side guard plates (63) at both ends to form an accommodating cavity (640), wherein the accommodating cavity (640) accommodates the fastener (2); the two side guard plates (63) and the protective side surface (643) extend downward to form a U-shaped support plate (65), wherein the support plate (65) is provided with a protrusion (652) and a groove (651) along its circumference, wherein the protrusion (652) and the groove (651) are arranged in parallel; the first protective cover (61) and the second protective cover (62) are both provided with a groove (651), wherein an elastic fixing member (7) is provided in the groove (651), wherein the elastic fixing member (7) fixes and connects the first protective cover (61) and the second protective cover (62) installed on both sides of the rail (1); The side guard plates (63) of the first protective cover (61) and the second protective cover (62) are both provided with a first matching portion (6311), and the first matching portion (6311) matches with the upper surface of the rail foot of the steel rail (1); The protective device comprises a dirt baffle (8), which is mounted on the foot of the steel rail (1) and is clamped and fixed by a first protective cover (61) and a second protective cover (62) located on both sides of the steel rail.
2. The rail fastener protection device according to claim 1, characterized in that: The matching side surfaces (641) on the first protective cover (61) and the second protective cover (62) both match with the waist of the steel rail (1).
3. The rail fastener protection device according to claim 2, characterized in that: The side guard plates (63) of the first protective cover (61) and the second protective cover (62) are both provided with a receiving groove (631), and the receiving groove (631) matches with the rail foot of the steel rail (1).
4. The rail fastener protection device according to claim 1, characterized in that: The fastener (2) is fixed to the roadbed via a road spike (5); the first protective cover (61) and the second protective cover (62) are both provided with a second limiting groove (646) on their respective protective top surfaces (642); the second limiting groove (646) corresponds to the road spike (5) and is tightly fitted with the road spike (5).
5. The rail fastener protection device according to claim 4, characterized in that: The fastener (2) is provided with an elastic bar, the elastic bar fixes the rail (1); the elastic bar is fixed by bolts and nuts; the first protective cover (61) and the second protective cover (62) are both provided with a first limiting groove (645) on their respective protective top surfaces (642), the first limiting groove (645) corresponding to the bolt on the fastener (2) and tightly fitting with the end of the bolt or the nut.
Citation Information
Patent Citations
Sand prevention device for fasteners on railway lines in windy and dusty regions
CN102966010A
Socket-type power surge protector with protective housing
CN104577473A
Bury formula fastener protection casing
CN205821906U
Steel rail fastener protection device
CN208981026U