Detachable damping fastener device

Abstract

The utility model discloses a detachable damping fastener device, which belongs to the technical field of turnouts, and comprises a first base plate, a second base plate, a third base plate, a pressing plate and a switch tie bolt, the first base plate, the second base plate and the third base plate are sequentially stacked from top to bottom, and the first base plate and the third base plate are connected through a locking piece; the first base plate is used for pressing and limiting the second base plate on the third base plate; the pressing plate is connected to the third base plate through the switch tie bolt, and a buckling part is arranged on the pressing plate and used for abutting against the upper surface of the first base plate and pressing and limiting the first base plate. On the premise that the product performance is guaranteed, the types of parts can be effectively reduced, the machining and assembling difficulty of the parts can be reduced, pre-assembling of the first base plate, the second base plate and the third base plate can be achieved in a machining plant, assembling can be conducted without professional equipment, and the freight cost for reciprocating a vibration reduction fastener manufacturer to conduct assembling can be saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of turnout, in particular, to a detachable damping fastener device. BACKGROUND

[0002] The information provided in this section is for the purpose of generally presenting the context of the application. The work of the now named inventors, to the extent the inventor's work was developed before the filing date of this application, and the descriptions provided in this section are not, and are not intended to be, constructions of prior art to the claimed application.

[0003] The existing domestic turnout damping fastener system adopts a double-layer non-linear damping fastener system. The upper iron pad, the middle rubber pad, and the lower iron pad are assembled into a whole by professional equipment. The self-locking mechanism is generally arranged at the position of the turnout sleeper bolt. For example, a rigid adjustable shear type railway turnout damping fastener disclosed in Chinese patent CN 220724719 U can obtain different overall stiffness of the fastener system by adjusting the axial force of the pad bolt.

[0004] The existing technology has the following problems: the railway turnout damping fastener system has many parts, the self-locking structure is complex, the machining difficulty is large, the assembly height is high, and the special equipment is needed for pre-assembly in the damping factory, resulting in high transportation and procurement costs. In addition, due to the long design length of the turnout sleeper bolt, the bolt is affected by shear force, which is not conducive to train safety.

[0005] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. Content of the utility model

[0006] In view of at least one of the above technical problems, the present application provides a detachable damping fastener device, which can effectively reduce the types of parts, reduce the machining and assembly difficulty of parts, realize pre-assembly of the first pad, the second pad and the third pad in the machining factory, and save the transportation cost of assembly between the damping fastener factory.

[0007] According to one aspect of the present application, a detachable damping fastener device is provided, comprising a first pad, a second pad, a third pad, a pressing plate and a turnout sleeper bolt:

[0008] The first pad, the second pad and the third pad are arranged in sequence from top to bottom, the first pad and the third pad are connected by a locking piece, and the first pad is used to press and limit the second pad on the third pad;

[0009] The pressing plate is connected to the third pad plate by the frog bolt, and the pressing plate is provided with a buckling part for abutting against the upper surface of the first pad plate and pressing the first pad plate.

[0010] In some embodiments of the present application, two pressing plates are arranged on opposite sides of the third pad plate, and the pressing plate is provided with a first connecting hole. The frog bolt is used to pass through the first connecting hole and be screwed with a second connecting hole pre-provided on the third pad plate, so as to connect and fix the two pressing plates on the third pad plate respectively and press the opposite sides of the first pad plate by the buckling part and the third pad plate.

[0011] In some embodiments of the present application, the detachable damping fastener device further comprises an eccentric sleeve for being arranged in the first connecting hole and the second connecting hole to limit and fix the frog bolt to prevent loosening.

[0012] In some embodiments of the present application, the pressing plate is provided with a sunken groove, and the first connecting hole is arranged at the bottom of the sunken groove.

[0013] In some embodiments of the present application, the bottom surface of the buckling part in contact with the upper surface of the first pad plate is provided with a rubber gasket.

[0014] In some embodiments of the present application, the opposite sides of the third pad plate are provided with protruding parts, and the protruding parts on the two sides are provided with connecting through holes. The opposite ends of the first pad plate are provided with threaded connecting holes, and the locking part is used to pass through the connecting through holes and cooperate with the threaded connecting holes, so as to connect and fasten the two ends of the first pad plate and the protruding parts on the two sides of the third pad plate.

[0015] In some embodiments of the present application, the opposite sides of the third pad plate are provided with stop strips in the direction perpendicular to the protruding parts on the two sides, and the stop strips on the two sides and the protruding parts on the two sides form a limiting cavity for limiting the second pad plate.

[0016] In some embodiments of the present application, the top surface and the ground of the second pad plate are both provided with a plurality of rubber pad bosses, and the rubber pad bosses are used to adjust the rigidity of the second pad plate by changing the number and width.

[0017] In some embodiments of the present application, the third pad plate is provided with an adjustable height pad plate, and the adjustable height pad plate is provided with a third connecting hole for cooperating with the frog bolt to connect and fasten the adjustable height pad plate and the third pad plate. The adjustable height pad plate is used to adjust the height of the first pad plate, the second pad plate and the third pad plate as a whole.

[0018] In some embodiments of the present application, the bottom of the adjustable height pad plate is provided with a coupling pad plate, and the coupling pad plate is provided with a fourth connecting hole for cooperating with the frog bolt to connect and fasten the coupling pad plate and the adjustable height pad plate. The coupling pad plate is used to block the current.

[0019] The application has the following beneficial effects:

[0020] The detachable damping fastener device of the application is connected through the locking piece between the first pad plate and the third pad plate, so as to clamp and limit the second pad plate between the first pad plate and the third pad plate, and the pressure plate is connected on the third pad plate, and the clamping and limiting of the first pad plate can be enhanced through the clamping part of the pressure plate, so that the connection stability and overall strength of the first pad plate, the second pad plate and the third pad plate are greatly improved. The first pad plate, the second pad plate and the third pad plate can be conveniently assembled and disassembled without special tools, and the connection of the first pad plate and the third pad plate can be realized by using a conventional locking piece, and then the pressure plate is connected and fastened on the third pad plate through the tie plate bolt, which is very simple to operate and effectively improves the disassembly efficiency.

[0021] Of course, it is not necessary to achieve all the advantages described above when implementing any product of the application. In addition to the purposes, features and advantages described above, the application has other purposes, features and advantages. The application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The accompanying drawings do not constitute an inappropriate limitation on the present application. In the drawings:

[0023] Figure 1 is a schematic diagram of the overall structure of the preferred embodiment of the application;

[0024] Figure 2 is a schematic diagram of the position of the threaded connection hole of the preferred embodiment of the application;

[0025] Figure 3 is a top view schematic diagram of the first pad plate of the preferred embodiment of the application;

[0026] Figure 4 is a structural schematic diagram of the second pad plate of the preferred embodiment of the application;

[0027] Figure 5 is a structural schematic diagram of the third pad plate of the preferred embodiment of the application;

[0028] Figure 6 is a top view schematic diagram of the third pad plate of the preferred embodiment of the application;

[0029] Figure 7 is a structural schematic diagram of the pressure block of the preferred embodiment of the application;

[0030] Figure 8 is a structural schematic diagram of the sinking groove on the pressure block of the preferred embodiment of the application;

[0031] Figure 9 is a schematic diagram of the height-raising and height-adjusting pad plate of the preferred embodiment of the present application;

[0032] Legend: 1, first pad plate; 101, threaded connection hole; 2, second pad plate; 201, rubber pad boss; 3, third pad plate; 301, protruding part; 302, baffle; 303, connection through hole; 4, pressing plate; 401, sunken groove; 402, rubber washer; 5, eccentric sleeve; 6, frog bolt; 7, height-raising pad plate; 8, coupling pad plate. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described in detail below with reference to the accompanying drawings, but the present application can be implemented in various different ways as defined and covered by the following.

[0034] Figure 1 is a schematic diagram of the overall structure of the preferred embodiment of the present application; Figure 2 is a schematic diagram of the position of the threaded connection hole of the preferred embodiment of the present application; Figure 3 is a top view schematic diagram of the first pad plate of the preferred embodiment of the present application;

[0035] Figure 4 is a structural schematic diagram of the second pad plate of the preferred embodiment of the present application; Figure 5 is a structural schematic diagram of the third pad plate of the preferred embodiment of the present application; Figure 6 is a top view schematic diagram of the third pad plate of the preferred embodiment of the present application;

[0036] Figure 7 is a structural schematic diagram of the pressing block of the preferred embodiment of the present application; Figure 8 is a structural schematic diagram of the sunken groove on the pressing block of the preferred embodiment of the present application; Figure 9 is a schematic diagram of the height-raising and height-adjusting pad plate of the preferred embodiment of the present application.

[0037] A detachable damping fastener device, comprising a first pad plate 1, a second pad plate 2, a third pad plate 3, a pressing plate 4 and a frog bolt 6:

[0038] The first pad plate 1, the second pad plate 2 and the third pad plate 3 are arranged in sequence from top to bottom, the first pad plate 1 is connected with the third pad plate 3 through a locking member, and the first pad plate 1 is used to press and position the second pad plate 2 on the third pad plate 3;

[0039] The pressing plate 4 is connected to the third pad plate 3 through the frog bolt 6, and the pressing plate 4 is provided with a clamping part for abutting against the upper surface of the first pad plate 1 and pressing and positioning the first pad plate 1.

[0040] Here, the meaning of "locking member" refers to the structure connecting the first pad plate 1 and the third pad plate 3, and in some embodiments, the locking member is a connecting bolt.

[0041] The detachable damping fastener device of the application is connected through the locking member between the first pad plate 1 and the third pad plate 3, so as to clamp and limit the second pad plate 2 between the first pad plate 1 and the third pad plate 3, and the pressing plate 4 is connected on the third pad plate 3, and the clamping and limiting of the first pad plate 1 can be enhanced by the clamping part of the pressing plate 4, so as to greatly improve the connection stability and overall strength of the first pad plate 1, the second pad plate 2 and the third pad plate 3. The first pad plate 1, the second pad plate 2 and the third pad plate 3 can be conveniently assembled and disassembled without special tools, the connection of the first pad plate 1 and the third pad plate 3 can be realized by using a conventional locking member, and then the pressing plate 4 is connected and fastened on the third pad plate 3 by the frog bolt 6, so that the operation is very simple and the disassembly efficiency is effectively improved.

[0042] Preferably, as shown in Figure 1 and Figure 9 , the pressing plate 4 is provided with two, and the two pressing plates 4 are arranged on the opposite sides of the third pad plate 3, and the first connecting hole is formed on the pressing plate 4, and the frog bolt 6 is used to threadedly connect the first connecting hole and the second connecting hole preformed on the third pad plate 3, so as to connect and fix the two pressing plates 4 on the third pad plate 3 respectively and press and limit the opposite sides of the first pad plate 1 by the clamping part and the third pad plate 3.

[0043] It can be understood that the two pressing plates 4 can balance the clamping and limiting of the opposite sides of the first pad plate 1, so as to ensure the uniformity of the stress of the first pad plate 1 and strengthen the stability of the clamping and limiting.

[0044] Preferably, as shown in Figure 1 , 9 , the detachable damping fastener device further comprises an eccentric sleeve 5, and the eccentric sleeve 5 is used to be arranged in the first connecting hole and the second connecting hole to limit and fix the frog bolt 6 to prevent loosening.

[0045] It can be understood that in order to strengthen the fixing and anti-loosening effect of the frog bolt 6, the frog bolt 6 is fixed by adding the eccentric sleeve 5, the position of the frog bolt 6 is adjusted, the stability and reliability of the connection of the frog bolt 6 are increased, and the frog bolt 6 can be conveniently disassembled, which is convenient for workers to operate.

[0046] Preferably, as shown in Figure 7 , 8 , the pressing plate 4 is provided with a sunken groove 401, and the first connecting hole is formed at the bottom of the sunken groove 401.

[0047] It can be understood that, since the first connecting hole is opened at the bottom of the sunken groove 401, the length of the frog bolt 6 can be further reduced, the stress state of the frog bolt 6 is improved, and the phenomenon of performance degradation or even cracks of the long bolt due to continuous and large shear force is avoided. At the same time, the sunken groove 401 opened on the pressing plate 4 can also make the top position of the frog bolt 6 move downward, so that the frog bolt 6 is not easily damaged by knocking.

[0048] It should be noted that, since the pressing plate 4 is provided with the sunken groove 401, the cross section of the pressing plate 4 is in the shape of "Z", that is, the top of the pressing plate 4 is the buckling part, and the bottom of the pressing plate 4 can be connected to the third pad 3. The buckling part can be placed on the first pad 1 to limit the first pad 1 in the longitudinal direction, and also improve the transverse stress of the frog bolt 6, so that the overall connection of the multi-layer stacked pad structure is more compact, and the overall thickness can be better controlled.

[0049] Preferably, as shown in Figure 7 , the bottom surface of the buckling part in contact with the upper surface of the first pad 1 is provided with a rubber gasket 402.

[0050] It can be understood that the rubber gasket 402 can play the role of elastic buffering, realize the elastic buckling effect of the buckling part on the first pad 1, and can protect the buckling part and the first pad 1 at the same time, so as to avoid hard knocking damage between the two, and improve the service life of the parts.

[0051] Preferably, as shown in Figure 5 , 6 , the opposite sides of the third pad 3 are provided with protruding parts 301, the protruding parts 301 on the two sides are provided with connecting through holes 303, and the opposite ends of the first pad 1 are provided with threaded connecting holes 101. The locking part is used to pass through the connecting through hole 303 and cooperate with the threaded connecting hole 101, so as to connect and fasten the two ends of the first pad 1 and the protruding parts 301 on the two sides of the third pad 3.

[0052] It can be understood that, through the protruding parts 301 on the two sides of the third pad 3, the connection with the two ends of the first pad 1 can be realized, the stability of the connection between the first pad 1 and the third pad 3 is ensured, and at the same time, the locking part at the two ends of the first pad 1 can be shielded and protected through the pressing plate 4 with the cross section in the shape of "Z", so as to avoid the locking part being easily damaged by knocking, and affect the stability of the connection between the first pad 1 and the third pad 3.

[0053] Preferably, as shown in Figure 6As shown, the third base plate 3 is provided with a baffle 302 on the opposite side along the direction perpendicular to the two side protrusions 301, and the baffle 302 on the two sides and the protrusions 301 on the two sides form a limiting cavity for limiting the second base plate 2.

[0054] It can be understood that, since the second base plate 2 is limited and fixed by being clamped up and down by the first base plate 1 and the third base plate 3, in order to reduce the easy deviation of the second base plate 2 and prevent the second base plate 2 from falling off, a limiting cavity is formed by the two baffles 302 and the two protrusions 301 on the third base plate 3 to limit the second base plate 2, thereby ensuring the connection stability of the multi-layer base plate structure of the first base plate 1, the second base plate 2 and the third base plate 3.

[0055] Preferably, as shown in Figure 1 As shown, the top surface and the ground of the second base plate 2 are both provided with a plurality of rubber pad bosses 201, and the rubber pad bosses 201 are used to adjust the rigidity of the second base plate 2 by changing the number and width of the rubber pad bosses 201.

[0056] It can be understood that, since the second base plate 2 is located in the middle layer in the multi-layer base plate structure and plays an important role in vibration reduction and buffering, by providing a plurality of rubber pad bosses 201 on the top surface and the bottom surface of the second base plate 2, the vibration reduction effect of the second base plate 2 can be improved. At the same time, the rigidity of the second base plate 2 as a whole can be changed by changing the number and width of the rubber pad bosses 201, so as to adjust the vibration reduction effect of the second base plate 2.

[0057] It should be noted that the first base plate 1 and the third base plate 3 are made of steel material, and the second base plate 2 is made of rubber, which plays an important role in vibration reduction. In order to adjust the rigidity of the second base plate 2 as a whole, a plurality of rubber pad bosses 201 are provided on the second base plate 2. The rigidity of the second base plate 2 as a whole can be adjusted by the number of rubber pad bosses 201, i.e. the spacing between the rubber pad bosses 201, and the shape of the rubber pad bosses 201, thereby adapting to the requirements of different use conditions.

[0058] Preferably, as shown in Figure 1 and Figure 9 As shown, the third base plate 3 is provided with an adjustable height base plate 7, and the adjustable height base plate 7 is provided with a third connecting hole. The third connecting hole is used to cooperate with the frog bolt 6 to connect and fasten the adjustable height base plate 7 and the third base plate 3, and the adjustable height base plate 7 is used to adjust the height of the first base plate 1, the second base plate 2 and the third base plate 3 as a whole.

[0059] It can be understood that, by providing adjustable height base plates 7 with different thicknesses, different height adjustable height base plates 7 can be conveniently replaced on site to adjust the height of the first base plate 1, the second base plate 2 and the third base plate 3 as a whole, i.e. the height of the detachable vibration reduction fastener as a whole, thereby adapting to different working conditions.

[0060] Preferably, please refer to Figure 1 As shown, the bottom of the height adjustment pad 7 is provided with a coupling pad 8, and a fourth connecting hole is formed in the coupling pad 8, which is used to cooperate with the frog tie bolt 6 to connect and fasten the coupling pad 8 with the height adjustment pad 7, and the coupling pad 8 is used to block the current.

[0061] It should be noted that in the construction application, in order to effectively block the current and avoid the direct contact between the frog tie and the third pad 3, the coupling pad 8 is further provided at the bottom of the height adjustment pad 7, which can ensure the blocking of the current and the safety of the vibration reduction fastener device.

[0062] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive containing, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.

[0063] The principles and implementation modes of the present application are described by applying specific examples in this paper, and the above example is only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiment of the present application. It should be noted that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the present application, and the above technical features can be combined in an appropriate manner. The improvements, decorations, changes or combinations, or the direct application of the technical concept and technical scheme of the utility model to other occasions without improvement shall be regarded as the protection of the present application.

Claims

1. A detachable vibration-damping fastener device, characterized by, The utility model relates to a detachable damping fastener device for turnout sleeper, which comprises a first pad (1), a second pad (2), a third pad (3), a pressing plate (4) and a turnout sleeper bolt (6). The first pad (1), the second pad (2) and the third pad (3) are sequentially arranged from top to bottom, the first pad (1) is connected with the third pad (3) through a locking piece, and the first pad (1) is used for tightly positioning the second pad (2) on the third pad (3). The pressing plate (4) is connected to the third pad (3) through the turnout sleeper bolt (6), and the pressing plate (4) is provided with a buckling part for abutting against the upper surface of the first pad (1) and tightly positioning the first pad (1).

2. A detachable shock-absorbing fastener device according to claim 1, characterized in that The pressing plate (4) is provided with two, and the two pressing plates (4) are arranged on opposite sides of the third pad (3), the pressing plate (4) is provided with a first connecting hole, the turnout sleeper bolt (6) is used for being screwed into the first connecting hole and a second connecting hole prearranged on the third pad (3), so as to connect and fix the two pressing plates (4) on the third pad (3) respectively and tightly position the opposite sides of the first pad (1) through the buckling part and the third pad (3).

3. A removable shock-cord device according to claim 2, wherein, The detachable damping fastener device further comprises an eccentric sleeve (5) arranged in the first connecting hole and the second connecting hole to limit and fix the turnout sleeper bolt (6) to prevent loosening.

4. A detachable shock-absorbing fastener device according to claim 2, wherein The pressing plate (4) is provided with a sunken groove (401), and the first connecting hole is arranged at the bottom of the sunken groove (401).

5. The detachable shock-cord attachment device of claim 1, wherein, The bottom surface of the buckling part in contact with the upper surface of the first pad (1) is provided with a rubber gasket (402).

6. A removable shock-cord device according to claim 1, wherein, The opposite sides of the third pad (3) are provided with protruding parts (301), the protruding parts (301) on the two sides are provided with connecting through holes (303), the opposite ends of the first pad (1) are provided with threaded connecting holes (101), and the locking piece is used for being passed through the connecting through holes (303) and matched with the threaded connecting holes (101), so as to connect and fix the two ends of the first pad (1) and the protruding parts (301) on the two sides of the third pad (3).

7. A removable shock-cord device according to claim 6, wherein, The opposite sides of the third pad (3) are provided with stop strips (302) in the direction perpendicular to the protruding parts (301) on the two sides, and the stop strips (302) on the two sides and the protruding parts (301) on the two sides form a limiting cavity, which is used for limiting the second pad (2).

8. The detachable shock-cord attachment device of claim 1, wherein, The top surface and the ground of the second pad (2) are both provided with a plurality of rubber pad bosses (201) arranged at intervals, and the rubber pad bosses (201) are used for adjusting the rigidity of the second pad (2) by changing the number and width.

9. The detachable shock-cord attachment device of claim 1, wherein, The bottom of the third pad (3) is provided with an adjustable pad (7), the adjustable pad (7) is provided with a third connecting hole, the third connecting hole is used for being matched with the turnout sleeper bolt (6) to connect and fix the adjustable pad (7) and the third pad (3), and the adjustable pad (7) is used for adjusting the height of the first pad (1), the second pad (2) and the third pad (3) as a whole.

10. A detachable shock-absorbing fastener device according to claim 9, characterized in that The bottom of the adjustable pad (7) is provided with a coupling pad (8), the coupling pad (8) is provided with a fourth connecting hole, the fourth connecting hole is used for being matched with the turnout sleeper bolt (6) to connect and fix the coupling pad (8) and the adjustable pad (7), and the coupling pad (8) is used for blocking current.

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