High-speed railway piano-style protective cover

Abstract

The present invention relates to the technical field of protective covers, and in particular to a high-speed railway piano-shaped protective cover, a fastener, which is fixedly installed on a switch machine, and a cover body, which is used to cover a rod of the switch machine, the cover body is arranged on the fastener, and a fixing mechanism for fixing the cover body to the fastener is arranged between the cover body and the fastener. When the high-speed railway piano-shaped protective cover of the present invention is in use, the fastener is arranged on the switch machine, and the cover body is fixed or removed from the fastener through the fixing mechanism, so that the protective cover can be easily and quickly disassembled, which is convenient for the maintenance of the switch machine, and avoids the problem that the rod is stuck after the existing protective cover is installed due to the replacement of the switch machine with a new rod, which is inconvenient during maintenance.

Description

Technical Field

[0001] The invention relates to the technical field of protective covers, and in particular to a high-speed railway piano-type protective cover. Background Art

[0002] With the rapid development of railways, the degree of remote automation of railways is increasing. The switch machine is a switch and locking device for turnouts, and is also a key device directly related to driving safety. The switch machine switches and locks turnouts, which is easy to centrally operate and realize automation. Due to the replacement of the switch machine with a new rod, the existing protective cover is installed, resulting in the rod being blocked, which is inconvenient for maintenance. Summary of the invention

[0003] The technical problem to be solved by the present invention is: in order to solve the problem that the existing protective cover is blocked by the rod after installation due to the replacement of the switch machine with a new rod, which is inconvenient during maintenance, a high-speed railway piano-type protective cover is provided.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a high-speed railway piano-shaped protective cover, including a fastener, which is fixedly installed on a switch machine;

[0005] And a cover body, which is used to cover the rod of the switch machine, the cover body is arranged on the fastener, and a fixing mechanism for fixing the cover body to the fastener is arranged between the cover body and the fastener.

[0006] The present invention arranges a fastener on the switch machine, and fixes or removes the cover body on the fastener through a fixing mechanism, so that the protective cover can be removed conveniently and quickly, and the switch machine is convenient for maintenance.

[0007] In order to realize the fixing mechanism between the fastener and the cover body, further, the fixing mechanism includes a pin shaft and a lock body matched with the pin shaft, the pin shaft is arranged on the fastener, the cover body is provided with a cavity body matching with the lock body, the lock body is arranged in the cavity, and one end of the cover body located in the cavity body is provided with a through hole connected with the cavity body, and the lock body includes

[0008] A slide seat is arranged in the cavity, and a slideway is provided on the slide seat, and the slideway is opposite to the through hole;

[0009] A fixed block is used to cooperate with the external pin shaft, the fixed block is arranged on the slide seat along the radial direction of the slideway, a limiting section cooperating with the fixed block is arranged in the cover body, and the limiting section is an inclined surface gradually inclined downward from the inside to the outside along the axial direction of the slideway;

[0010] A pre-tightening mechanism is arranged in the cavity, and is used to control the fixed block to always be in contact with the limiting section, and to enable the fixed block to lock the pin shaft inserted into the slideway through the through hole on the cover body;

[0011] And a control mechanism is arranged on the cover body, and is used to control the displacement of the slide seat in the cover body, so that the fixed block is separated from the limit section, and the cover body and the pin shaft are unlocked. The control mechanism drives the slide seat to displace in the cover body, so that the fixed block is separated from the limit section, and the cover body and the pin shaft are unlocked, so that the cover body is fixed or loosened on the fastener.

[0012] In order to facilitate the displacement of the fixed block on the slide, further, a slot connected to the slide is provided on the outer peripheral wall of the slide, the fixed block matches the slot, and the fixed block is slidably arranged in the slot. By providing the slot on the slide, the fixed block is slidably arranged in the slot, which facilitates the displacement of the fixed block on the slide.

[0013] Furthermore, the pre-tightening mechanism is an elastic element, and the elastic element is arranged between the outer shell and the sliding seat.

[0014] In order to realize the elastic element, further, the elastic element is a first spring, a groove is provided at one end of the slide away from the through hole, the first spring is arranged in the groove, one end of the first spring is abutted against the cover body, and the other end of the first spring is abutted against the slide. By being in the groove of the slide and the slide, the elastic element is always abutted against the slide.

[0015] In order to realize the control mechanism, the control mechanism further includes a push block, which is slidably arranged on the cover body, one end of the push block is located in the cavity, and the other end of the push block protrudes from the outer peripheral surface of the cover body. The slide seat is provided with a guide surface in contact with the push block, and the guide surface is an inclined surface, which is gradually inclined downward along the push block toward the slide seat. When the push block contacts the guide surface, the slide seat is displaced in the cavity and the fixed block is separated from the limit section, thereby realizing the unlocking of the cover body and the pin shaft. The push block contacts the guide surface on the slide seat, thereby pushing the slide seat to displace in the cover body, so that the fixed block on the cover body is separated from the limit section, and the fixed block is separated from the pin shaft, thereby achieving the purpose of unlocking.

[0016] In order to facilitate the control of the push block, further, a sliding shaft is arranged on the cover body in the hollow body along the displacement direction of the push block, and a second spring is sleeved on the sliding shaft on which the push block slides, and the second spring is located between the cover body and the push block. By arranging the sliding shaft in the hollow body of the cover body, and the push block slides on the sliding shaft, the spring on the sliding shaft is located between the push block and the cover body, and the push block can be restored to the initial position.

[0017] In order to fix the fastener on the switch machine, the fastener further comprises an upper snap ring and a lower snap ring, the upper snap ring and the lower snap ring are arranged opposite to each other, and a locking mechanism for fixing the upper snap ring and the lower snap ring to each other is arranged between the upper snap ring and the lower snap ring. The fastener is fixed on the switch machine by the locking mechanism between the upper snap ring and the lower snap ring.

[0018] In order to realize the locking mechanism, further, the locking mechanism includes a locking screw and a locking nut, and the upper and lower snap rings are threadedly connected to the locking screw through the locking nut to fix the upper and lower snap rings to each other. The locking screw and the locking nut cooperate to fix the upper and lower snap rings together.

[0019] In order to prevent the locking screw from falling off due to vibration, further, a polygonal nut is provided at one end of the locking screw, and a first notch matching the nut is provided on one of the upper and lower snap rings, and the nut is arranged in the first notch. By providing the first notch matching the nut on the upper or lower snap ring, the first notch stops the nut from rotating, effectively preventing the locking screw from falling off due to vibration.

[0020] In order to prevent the locking nut from falling off due to vibration, the locking mechanism further includes a cap, the locking screw is polygonal, a second notch matching the locking screw is provided in the cap, a hole is provided in the second notch, and when the locking nut is set in the second notch, one end of the locking screw passes through the hole and protrudes from the cap. By providing a cap matching the locking nut on the locking nut, the cap is provided with a second notch matching the locking nut, and the locking nut is set in the second notch, a certain anti-loosening effect is achieved.

[0021] In order to better prevent the cap from falling off, further, a limiting shaft is provided at one end of the locking screw away from the nut, and the cap is located between the limiting shaft and the nut. By providing the limiting shaft on the locking screw, the cap is limited by the limiting shaft, so that the locking nut cannot be disengaged, and the cap is better prevented from falling off.

[0022] In order to prevent the fastener from falling off, a silicone gasket is further arranged between the contact surface of the fastener and the switch machine. By arranging the silicone gasket between the fastener and the switch machine, the silicone gasket has the advantages of anti-slip, shock absorption, and high temperature resistance, and prevents the fastener from falling off due to vibration generated when a train passes by.

[0023] Furthermore, the cover body is provided with a plurality of supporting keels along its axial direction, and the supporting force of the protective cover is enhanced by the supporting keels.

[0024] In order to prevent the workers from installing the protective cover incompletely after maintenance, a pull rope is further provided between the cover body and the fastener. By providing the pull rope between the fastener and the cover body, the cover body can be effectively prevented from being thrown off.

[0025] In order to facilitate maintenance by the staff, further, the cover body is provided with an observation window for observing the rod. The rod can be seen through the observation window, and there is no need to open the cover body, which reduces the operation steps and facilitates maintenance by the staff.

[0026] The beneficial effect of the present invention is that when the high-speed railway piano-type protective cover of the present invention is in use, fasteners are arranged on the switch machine, and the cover body is fixed or removed on the fasteners through a fixing mechanism, so that the protective cover can be easily and quickly removed, which is convenient for the maintenance of the switch machine, and avoids the problem that the existing protective cover is stuck after the installation of the rod due to the replacement of the switch machine with a new rod, which makes it inconvenient during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0029] Figure 2 yes Figure 1 A partial enlarged view of middle A;

[0030] Figure 3 is a schematic diagram of the three-dimensional structure of the fastener in the present invention;

[0031] Figure 4 yes Figure 3 A partial enlarged view of B in the middle;

[0032] Figure 5 is a top view of the fastener of the present invention;

[0033] Figure 6 yes Figure 5 Cross-sectional view of CC;

[0034] Figure 7 yes Figure 6 A partial enlarged view of D in the middle;

[0035] Figure 8 It is the front view when installed in the present invention;

[0036] Fig. 9 It is a top view of the present invention when installed;

[0037] Fig.10 yes Figure 8 Sectional view of EE;

[0038] Fig.11 yes Fig. 9 Cross-sectional view of the middle FF;

[0039] Fig.12 yes Fig.10 A partial enlarged view of G in the middle;

[0040] Fig.13 yes Fig.11 A partial enlarged view of H in the figure.

[0041] In the figure: 1. fastener, 2. upper retaining ring, 3. lower retaining ring, 4. locking screw, 5. locking nut, 6. nut, 7. first notch, 8. cap, 9. second notch, 10. limit shaft, 11. silicone gasket, 12. cover body, 13. cavity body, 14. through hole, 15. slide seat, 16. slide way, 17. first spring, 18. guide surface, 19. push block, 20. fixed block, 21. second spring, 22. pull rope, 23. observation window, 24. support keel, 25. pin shaft, 26. slot, 27. slide shaft, 28. limit section. DETAILED DESCRIPTION

[0042] The present invention is further described in detail below in conjunction with embodiments:

[0043] The present invention is not limited to the following specific embodiments. A person skilled in the art can implement the present invention in various other specific embodiments according to the contents disclosed in the present invention, or any simple changes or modifications made to the design structure and ideas of the present invention fall within the protection scope of the present invention. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside",

[0045] The orientation or positional relationship indicated by "outside" and the like is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0047] like Figure 1-13 As shown, a high-speed railway piano-type protective cover includes

[0048] A fastener 1, which is fixedly mounted on the switch machine;

[0049] And a cover body 12, which is used to cover the rod of the switch machine, the cover body 12 is arranged on the fastener 1, and a fixing mechanism for fixing the cover body 12 to the fastener 1 is arranged between the cover body 12 and the fastener 1.

[0050] The fixing mechanism includes a pin 25 and a lock body matched with the pin 25, the pin 25 is arranged on the fastener 1, the cover 12 is provided with a cavity 13 matched with the lock body, the lock body is arranged in the cavity 13, and one end of the cover 12 located in the cavity 13 is provided with a through hole 14 connected with the cavity 13, the lock body includes

[0051] A slide seat 15 is disposed in the cavity 13, and a slideway 16 is provided on the slide seat 15, and the slideway 16 is opposite to the through hole 14;

[0052] The fixing block 20 is used to cooperate with the external pin shaft 25. The fixing block 20 is arranged on the slide seat 15 along the radial direction of the slideway 16. The cover body 12 is provided with a limiting section 28 that cooperates with the fixing block 20. The limiting section 28 is an inclined surface that is gradually inclined downward from the inside to the outside along the axial direction of the slideway 16;

[0053] The pre-tightening mechanism is arranged in the cavity 13, and is used to control the fixing block 20 to always contact with the limiting section 28, and to enable the fixing block 20 to lock the pin 25 inserted into the slideway 16 through the through hole 14 on the cover body 12;

[0054] And a control mechanism is arranged on the cover body 12 and is used to control the displacement of the slide seat 15 in the cover body 12 so that the fixing block 20 is separated from the limiting section 28 and the cover body 12 and the pin shaft 25 are unlocked.

[0055] A slot 26 communicating with the slideway 16 is formed on the outer peripheral wall of the slide seat 15 , and the fixing block 20 matches the slot 26 . The fixing block 20 is slidably disposed in the slot 26 .

[0056] The pre-tightening mechanism is an elastic element, and the elastic element is arranged between the outer shell and the slide seat 15 .

[0057] The elastic element is a first spring 17 . A groove is provided at one end of the slide seat 15 away from the through hole 14 . The first spring 17 is arranged in the groove. One end of the first spring 17 abuts against the cover body 12 , and the other end of the first spring 17 abuts against the slide seat 1515 .

[0058] The control mechanism includes a push block 19, which is slidably arranged on the cover body 12, one end of the push block 19 is located in the cavity 13, and the other end of the push block 19 protrudes from the outer peripheral surface of the cover body 12. The slide seat 15 is provided with a guide surface 18 that contacts the push block 19, and the guide surface 18 is an inclined surface, which is gradually inclined downward along the push block 19 toward the slide seat 15. When the push block 19 contacts the guide surface 18, the slide seat 15 is displaced in the cavity 13 and the fixed block 20 is disengaged from the limiting section 28, thereby realizing the unlocking of the cover body 12 and the pin shaft 25.

[0059] The cover body 12 is provided with a sliding shaft 27 in the cavity 13 along the displacement direction of the push block 19 . The push block 19 is slidably provided on the sliding shaft 27 . A second spring 21 is sleeved on the sliding shaft 27 . The second spring 21 is located between the cover body 12 and the push block 19 .

[0060] The fastener 1 comprises an upper snap ring 2 and a lower snap ring 3 , the upper snap ring 2 and the lower snap ring 3 are arranged opposite to each other, and a locking mechanism for fixing the upper snap ring 2 and the lower snap ring 3 to each other is arranged between the upper snap ring 2 and the lower snap ring 3 .

[0061] The locking mechanism includes a locking screw 4 and a locking nut 5. The upper snap ring 2 and the lower snap ring 3 are threadedly connected to the locking screw 4 through the locking nut 5, so that the upper snap ring 2 and the lower snap ring 3 are fixed to each other.

[0062] A polygonal nut 6 is disposed at one end of the locking screw 4 , and a first notch 7 matching the nut 6 is disposed on one of the upper retaining ring 2 and the lower retaining ring 3 , and the nut 6 is disposed in the first notch 7 .

[0063] The locking mechanism also includes a cap 8, the locking screw 4 is polygonal, and a second slot 9 matching the locking screw 4 is provided in the cap 8, and a hole is provided in the second slot 9. When the locking nut 5 is set in the second slot 9, one end of the locking screw 4 passes through the hole and protrudes from the cap 8.

[0064] A limit shaft 10 is disposed at one end of the locking screw 4 away from the nut 6 , and the cap 8 is located between the limit shaft 10 and the nut 6 .

[0065] A silicone gasket 11 is provided between the contact surface of the fastener 1 and the switch machine.

[0066] The cover body 12 is provided with a plurality of supporting keels 24 along its axial direction.

[0067] A drawstring 22 is provided between the cover body 12 and the fastener 1 .

[0068] The cover body 12 is provided with an observation window 23 for observing the rod.

[0069] When installing the above-mentioned high-speed railway piano-type protective cover, first place a silicone gasket 11 between the upper clamping ring 2 and the lower clamping ring 3, then place the upper clamping ring 2 and the lower clamping ring 3 on the flange of the switch machine, pass one end of the locking screw 4 through the lower clamping ring 3 and the upper clamping ring 2, and place the nut of the locking screw 4 in the first notch 7 of the lower clamping ring 3, and at the same time, thread the locking nut 5 on the locking screw 4, fix the upper clamping ring 2 and the clamping ring, and then correspond and place the second notch 9 of the cap 8 on the locking nut 5, and finally insert the limit shaft 10 on the locking screw 4 to complete the installation of the fastener 1 on the switch machine, and then align the through hole 14 on the cover body 12 with the pin shaft 25 on the fastener 1 and insert it, and at the same time press the push block 19, the push block 19 moves on the sliding shaft 27 and squeezes the second spring 21, the push block 19 gradually contacts with the guide surface 18 and drives the slide seat 15 to move gradually upward, and at the same time The slide 15 squeezes the first spring 17 so that the fixed block 20 on the slide 15 disengages from the limiting section 28. At this time, the pin 25 is inserted into the slideway 16 of the slide 15 through the through hole 14, and the push block 19 is released. The push block 19 returns to its initial position under the action of the second spring 21, and the push block 19 disengages from the guide surface 18. The slide 15 is displaced in the cavity 13 of the cover body 12 under the action of the first spring 17, and the fixed block 20 on the slide 15 contacts the limiting section 28. At the same time, the fixed block 20 contacts the pin 25 through the slot 26, thereby fixing the cover body 12 on the fastener 1. In this way, quick installation is achieved. When disassembling, the push block 19 can be installed to quickly disassemble the cover body 12 from the fastener 1 to prevent the staff from throwing away the cover body 12. A pull rope 22 is set between the cover body 12 and the fastener 1, which can prevent the staff from throwing away the cover body 12.

[0070] The above-mentioned ideal embodiments of the present invention are for inspiration. Through the above-mentioned description, relevant staff can make various changes and modifications without departing from the technical idea of ​​the present invention. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A high-speed railway piano-type protective cover, characterized in that: include A fastener (1) fixedly mounted on the switch machine; and a cover body (12) for covering a rod of a switch machine, the cover body (12) being arranged on a fastener (1), and a fixing mechanism for fixing the cover body (12) to the fastener (1) being arranged between the cover body (12) and the fastener (1); The fixing mechanism comprises a pin (25) and a lock body matched with the pin (25), the pin (25) being arranged on the fastener (1), the cover (12) being provided with a cavity (13) matching with the lock body, the lock body being arranged in the cavity (13), the cover (12) being provided with a through hole (14) communicating with the cavity (13) at one end thereof located in the cavity (13), the lock body comprising A slide seat (15) is arranged in the hollow cavity (13); a slideway (16) is provided on the slide seat (15); the slideway (16) is opposite to the through hole (14); A fixed block (20) is used to cooperate with the external pin shaft (25); the fixed block (20) is arranged on the slide seat (15) along the radial direction of the slideway (16); a limiting section (28) cooperating with the fixed block (20) is arranged in the cover body (12); the limiting section (28) is an inclined surface arranged to gradually tilt downward from the inside to the outside along the axial direction of the slideway (16); a pre-tightening mechanism, which is arranged in the cavity (13) and is used to control the fixed block (20) to always be in contact with the limiting section (28), and to enable the fixed block (20) to lock a pin shaft (25) inserted into the slideway (16) through the through hole (14) on the cover body (12); and a control mechanism, which is arranged on the cover body (12) and is used to control the displacement of the slide seat (15) in the cover body (12), so that the fixed block (20) is disengaged from the limiting section (28), and the cover body (12) and the pin shaft (25) are unlocked.

2. The high-speed railway piano-shaped protective cover according to claim 1 is characterized in that: A slot (26) communicating with the slideway (16) is provided on the outer peripheral wall of the slide seat (15); the fixing block (20) matches the slot (26); and the fixing block (20) is slidably disposed in the slot (26).

3. The high-speed railway piano-shaped protective cover according to claim 1 is characterized in that: The pre-tightening mechanism is an elastic element, and the elastic element is arranged between the outer shell and the sliding seat (15).

4. The high-speed railway piano-shaped protective cover according to claim 3 is characterized in that: The elastic element is a first spring (17); a groove is provided at one end of the slide seat (15) away from the through hole (14); the first spring (17) is arranged in the groove; one end of the first spring (17) is abutted against the cover body (12); and the other end of the first spring (17) is abutted against the slide seat (15).

5. The high-speed railway piano-shaped protective cover according to claim 1 is characterized in that: The control mechanism comprises a push block (19), wherein the push block (19) is slidably arranged on the cover body (12), one end of the push block (19) is located in the cavity body (13), and the other end of the push block (19) protrudes from the outer peripheral surface of the cover body (12); the slide seat (15) is provided with a guide surface (18) in contact with the push block (19), and the guide surface (18) is an inclined surface, and the inclined surface is gradually inclined downward along the push block (19) toward the slide seat (15); when the push block (19) contacts the guide surface (18), the slide seat (15) is displaced in the cavity body (13) and causes the fixed block (20) to be separated from the limiting section (28), thereby realizing unlocking of the cover body (12) and the pin shaft (25).

6. The high-speed railway piano-shaped protective cover according to claim 5, characterized in that: A sliding shaft (27) is provided on the cover body (12) and is located in the cavity body (13) along the displacement direction of the push block (19). The push block (19) is slidably provided on the sliding shaft (27). A second spring (21) is sleeved on the sliding shaft (27). The second spring (21) is located between the cover body (12) and the push block (19).

7. The high-speed railway piano-shaped protective cover according to claim 1 is characterized in that: The fastener (1) comprises an upper snap ring (2) and a lower snap ring (3), the upper snap ring (2) and the lower snap ring (3) being arranged opposite to each other, and a locking mechanism for fixing the upper snap ring (2) and the lower snap ring (3) to each other is arranged between the upper snap ring (2) and the lower snap ring (3).

8. The high-speed railway piano-shaped protective cover according to claim 7 is characterized in that: The locking mechanism comprises a locking screw (4) and a locking nut (5); the upper clamping ring (2) and the lower clamping ring (3) are threadedly connected to the locking screw (4) via the locking nut (5), thereby fixing the upper clamping ring (2) and the lower clamping ring (3) to each other.

9. The high-speed railway piano-shaped protective cover according to claim 8, characterized in that: A polygonal nut (6) is provided at one end of the locking screw (4), a first notch (7) matching the nut (6) is provided on one of the upper snap ring (2) and the lower snap ring (3), and the nut (6) is arranged in the first notch (7).

10. The high-speed railway piano-shaped protective cover according to claim 9, characterized in that: The locking mechanism further comprises a cap (8), the locking screw (4) is polygonal, a second notch (9) matching the locking screw (4) is arranged in the cap (8), a hole is arranged in the second notch (9), and when the locking nut (5) is arranged in the second notch (9), one end of the locking screw (4) passes through the hole and protrudes from the cap (8).

11. The high-speed railway piano-shaped protective cover according to claim 10, characterized in that: A limit shaft (10) is provided at one end of the locking screw (4) away from the nut (6), and the cap (8) is located between the limit shaft (10) and the nut (6).

12. The high-speed railway piano-shaped protective cover according to claim 1, characterized in that: A silicone gasket (11) is provided between the contact surface between the fastener (1) and the switch machine.

13. The high-speed railway piano-shaped protective cover according to claim 1, characterized in that: A plurality of supporting keels (24) are arranged on the cover body (12) along its axial direction.

14. The high-speed railway piano-shaped protective cover according to claim 1, characterized in that: A drawstring (22) is provided between the cover body (12) and the fastener (1).

15. The high-speed railway piano-shaped protective cover according to claim 1, characterized in that: The cover body (12) is provided with an observation window (23) for observing the rod.

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