CN220301080U - Pulling rivet fastener with anti-falling structure for railway track laying - Google Patents
Pulling rivet fastener with anti-falling structure for railway track laying Download PDFInfo
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- CN220301080U CN220301080U CN202321456134.5U CN202321456134U CN220301080U CN 220301080 U CN220301080 U CN 220301080U CN 202321456134 U CN202321456134 U CN 202321456134U CN 220301080 U CN220301080 U CN 220301080U
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- ratchet
- rivet
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model relates to the technical field of rivet fasteners, and provides a rivet fastener with an anti-falling structure for paving a railway track, which comprises a connecting joint and a track panel steel rail, wherein under the action of a fastening component, an inserting rod and a threaded rod are inserted into the track panel steel rail through a ratchet groove, in the inserting process of the inserting rod, a limiting push rod is extruded by the inner wall of an inserting hole and overturns to enter the inner buckling groove, until the limiting push rod passes through the track panel steel rail, the limiting push rod loses extrusion of the inserting hole, overturns upwards and resets, at the moment, the blocking of the limiting push rod is performed, the inserting rod cannot retract, then a fixed disc is rotated, the fixed disc is rotated into the ratchet groove, at the moment, ratchets are extruded by the ratchet groove and are buried in the embedded groove in a rotating mode, and along with the continuous approach of the fixed disc and the limiting push rod, the track panel steel rail and the connecting joint can be clamped and fixed, and then the ratchets are rotated out of the embedded groove and meshed with the ratchet groove, so that the rotation of the fixed disc is limited, and looseness is avoided.
Description
Technical Field
The utility model relates to the technical field of rivet fasteners, in particular to a rivet fastener with an anti-falling structure for railway track laying.
Background
When the railway is paved, two steel rails are connected with a certain number of sleeper rails and fasteners at a track laying starting point station to form integral structural parts, the structural parts are track panels, the assembled track panels are transported by a flat car and are hung and paved on a track bed by a track laying machine, and then each section of track panel is assembled, wherein rivet pulling is a connecting means in assembling the steel rails at two ends of the track panels, rivet pulling is used as a fastening riveting process and is used for forming or fixing plates or parts by thousands of manufacturing enterprises, rivet pulling nuts are firstly penetrated into pre-drilled holes on the steel rails in rivet pulling, a bolt part is fastened by using a specific tool such as a rivet pulling gun, and along with the pulling force generated by the bolts, sleeve pipes of the rivet pulling nuts are extruded and deformed to outwards bulge, and the bulge ends are tightly pressed on the steel rails, so that the fixation of the track panels is realized.
However, in actual situations, when a train runs, the rivet nut can generate vibration due to loose connection, gaps are generated between the steel rails of the rail panel and the connecting joints, the gaps generated between the steel rails of the rail panel and the connecting joints can be larger and larger through accumulation of multiple vibrations, and finally, the rivet fastener can loose or even fall off, so that serious casualties can be caused.
In the utility model patent document with the publication number of CN112921714B and the name of a pulling rivet fastener with an anti-falling structure for railway track laying, the pulling rivet fastener comprises a track panel steel rail, a connecting joint is arranged in a groove on one side of the track panel steel rail, pulling rivet sleeves are connected in holes formed in the track panel steel rail and the connecting joint, each pulling rivet sleeve comprises a flange base, an L-shaped clamping plate, a spring, a clamping block, a sleeve fixing end, a sleeve movable end, a clamping ring and a limiting groove, one side of the flange base is abutted with the outer side face of the connecting joint, and three L-shaped clamping plates are radially and equally fixedly connected with the side face of the flange base abutted with the connecting joint. According to the utility model, the rivet pulling sleeve is stably fixed at two ends of the rail panel steel rail and the connecting joint, so that the problem that a gap is formed between the rail panel steel rail and the connecting joint due to unstable connection of rivet pulling nuts, and finally, a rivet pulling fastener is loosened or even falls off is solved, meanwhile, the condition that the rivet pulling sleeve rotates after being vibrated is prevented, and the stability of the rivet pulling fastener is improved.
However, in the above scheme, although the problem that the rivet fastening piece can be loosened is solved, the rail panel steel rail and the connecting joint are only connected and fixed in a threaded mode, the connection firmness degree is slightly insufficient, the movable end of the sleeve penetrating through the outer wall of the rail panel steel rail may need to be screwed down in the later stage, the rail panel steel rail and the connecting joint are further clamped and fixed through the extrusion of the screw cap and the flange base, the operation is relatively inconvenient, and the installation work efficiency is lower.
In view of the above, the present utility model provides a rivet fastener for railway track laying with an anti-drop structure.
Disclosure of Invention
The utility model provides a pulling rivet fastener with an anti-falling structure for railway track laying, which solves the problems that the pulling rivet fastener in the related art can loosen or even fall off during operation and is inconvenient to quickly connect and fix a track panel steel rail and a connecting joint.
The technical scheme of the utility model is as follows: a rivet fastener for railway track laying having an anti-drop structure, comprising: the track panel steel rail, be provided with the attach fitting in the recess of track panel steel rail one side, pass through fastening assembly fixed connection between attach fitting and the track panel steel rail. The fixed ring is fixedly sleeved in the center of the connecting joint, and the ratchet groove is formed in the fixed ring. The fastening assembly comprises an inserting rod and a threaded rod fixedly connected with the inserting rod, a plurality of inner buckling grooves are formed in the inserting rod, limiting push rods are connected to the inner portions of the inner buckling grooves in a rotating mode, a fixing disc is sleeved on the outer wall of the threaded rod in a threaded mode, a plurality of embedded grooves are formed in the outer wall of the fixing disc, and ratchet teeth matched with ratchet grooves in the direction are connected to the embedded grooves in a rotating mode.
Preferably, a reset spring for supporting the limiting push rod is fixedly connected between the limiting push rod and the inner buckling groove.
Preferably, a supporting spring for supporting the ratchet is fixedly connected between the ratchet and the embedded groove.
Preferably, one end of the fixed disc, which is far away from the inserted link, is fixedly connected with a rotary screw cap, and a thread groove matched with the threaded rod is jointly formed in the rotary screw cap and the fixed disc.
Preferably, the outer wall of the inserted bar between two adjacent limit push bars is fixedly connected with a limit slide bar.
Preferably, the inside of the track panel steel rail is provided with jacks for inserting the inserting rod and the threaded rod.
Preferably, a plurality of limit grooves communicated with the jack are formed in the outer side of the jack, and the limit grooves and the limit sliding rods are arranged in one-to-one correspondence.
Preferably, a rubber washer is fixedly adhered to the outer wall of one side, close to the inserted link, of the rotary nut.
The working principle and the beneficial effects of the utility model are as follows:
according to the utility model, the connecting joint and the track panel steel rail are fixedly connected through the fastening component, the inserted rod and the threaded rod are inserted into the track panel steel rail through the ratchet groove under the action of the fastening component, in the process of inserting the inserted rod, the limiting push rod is extruded by the inner wall of the jack, overturns and enters the inner buckling groove until the limiting push rod passes through the track panel steel rail, the limiting push rod loses extrusion of the jack, overturns and resets upwards, at the moment, the blocking of the limiting push rod, the inserted rod can not retract, then the fixed disc is rotated, the fixed disc is rotated into the ratchet groove, at the moment, the ratchet is extruded by the ratchet groove and is buried in the buried groove in a rotating mode, therefore, the ratchet can not limit normal screwing rotation of the fixed disc, can clamp and fix the track panel steel rail and the connecting joint along with the continuous approach of the fixed disc and the limiting push rod, and then rotates out of the buried groove and meshes with the ratchet groove, so that the rotation of the fixed disc is limited, looseness is avoided, the operation is simple, the connection and fixation of the connecting joint and the track panel steel rail can be quickly realized, and the ratchet has a good function, the high self-locking value, and high installation efficiency is avoided.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic plan view of a rivet fastener for railway track laying with an anti-drop structure according to the present utility model;
FIG. 2 is a schematic view of an assembling structure of a fixing ring according to the present utility model;
FIG. 3 is a schematic view of a fastening assembly according to the present utility model;
FIG. 4 is a schematic view of the inner structure of the fixing plate according to the present utility model;
FIG. 5 is a schematic view of the internal structure of the track panel rail according to the present utility model;
in the figure: 1. a fastening assembly; 101. a limit slide bar; 102. a limiting push rod; 103. a return spring; 104. an inner buckling groove; 105. a rod; 106. a threaded rod; 107. burying a groove; 108. a ratchet; 109. rotating the nut; 110. a support spring; 111. a fixed plate; 112. a thread groove; 113. a rubber gasket; 2. a connection joint; 3. a track panel rail; 4. a fixing ring; 5. ratchet grooves; 6. a jack; 7. and a limit groove.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3 and 5, a rivet fastener for railway track laying with an anti-drop structure, comprising: the novel steel rail comprises a rail panel steel rail 3, a connecting joint 2 is arranged in a groove on one side of the rail panel steel rail 3, the connecting joint 2 is fixedly connected with the rail panel steel rail 3 through a fastening component 1, a fixed ring 4 is fixedly sleeved in the center of the connecting joint 2, a ratchet groove 5 is formed in the fixed ring 4, the fastening component 1 comprises an inserting rod 105 and a threaded rod 106 fixedly connected with the inserting rod 105, a plurality of inner buckling grooves 104 are formed in the inserting rod 105, a limiting push rod 102 is rotatably connected to the inner portion of each inner buckling groove 104, and a reset spring 103 supporting the limiting push rod 102 is fixedly connected between the limiting push rod 102 and the inner buckling grooves 104. The outer wall of the inserted bar 105 between two adjacent limit push rods 102 is fixedly connected with a limit slide bar 101. The inside of the track panel steel rail 3 is provided with a jack 6 for inserting the inserting rod 105 and the threaded rod 106. A plurality of limit grooves 7 communicated with the jack 6 are formed in the outer side of the jack 6, and the limit grooves 7 and the limit sliding rods 101 are arranged in one-to-one correspondence. During operation, the inserting rod 105 and the threaded rod 106 are inserted into the insertion holes 6 in the track panel steel rail 3 through the ratchet groove 5, so that the limiting slide rod 101 is just inserted into the limiting groove 7, and the limiting slide rod 101 and the limiting groove 7 are arranged, so that the inserting rod 105 can rotate in the track panel steel rail 3. And, in the process of inserting the inserted bar 105, the limit push rod 102 is extruded by the inner wall of the jack 6, overturned and enters the inner buckling groove 104, the reset spring 103 compresses, until the limit push rod 102 passes through the inner part of the track panel steel rail 3, the limit push rod 102 loses extrusion to the jack 6, under the action of the reset spring 103, the limit push rod 102 overturns upwards and resets, at the moment, the limit push rod 102 is blocked, and the inserted bar 105 cannot move rightwards.
Referring to fig. 2, 3 and 4, a fixing disc 111 is sleeved on the outer wall of the threaded rod 106, a plurality of embedded grooves 107 are formed in the outer wall of the fixing disc 111, ratchet teeth 108 matched with the ratchet grooves 5 are rotatably connected in each embedded groove 107, and a supporting spring 110 for supporting the ratchet teeth 108 is fixedly connected between the ratchet teeth 108 and the embedded grooves 107. The end of the fixed disk 111 away from the inserted bar 105 is fixedly connected with a rotary nut 109, and a thread groove 112 matched with the threaded rod 106 is formed in the rotary nut 109 and the fixed disk 111. A rubber washer 113 is fixedly adhered to the outer wall of the side of the swivel nut 109 adjacent to the spigot 105. When the limit push rod 102 passes through the inside of the track panel steel rail 3, the rotary screw cap 109 and the fixed disc 111 rotate, as the threaded rod 106 cannot rotate, the rotary screw cap 109 and the fixed disc 111 move along the outer wall of the threaded rod 106 towards the direction of the inserted rod 105 until the fixed disc 111 rotates into the ratchet groove 5, at this time, the ratchet 108 is extruded by the ratchet groove 5 and is rotationally embedded in the embedded groove 107, so that the ratchet 108 cannot limit the normal screwing rotation of the fixed disc 111, the track panel steel rail 3 and the connecting joint 2 can be clamped and fixed along with the continuous approaching of the rotary screw cap 109 and the limit push rod 102, the sealing performance between the rotary screw cap 109 and the fixed ring 4 is greatly improved due to the arrangement of the rubber gasket 113, and the ratchet 108 rotates out of the embedded groove 107 under the action of the supporting spring 110 to limit the rotation of the fixed disc 111, so that looseness is avoided.
Working principle and using flow: during operation, the inserting rod 105 and the threaded rod 106 are inserted into the insertion holes 6 in the track panel steel rail 3 through the ratchet groove 5, so that the limiting slide rod 101 is just inserted into the limiting groove 7, and the limiting slide rod 101 and the limiting groove 7 are arranged, so that the inserting rod 105 can rotate in the track panel steel rail 3. And, in the process of inserting the inserted bar 105, the limit push rod 102 is extruded by the inner wall of the jack 6, overturned and enters the inner buckling groove 104, the reset spring 103 compresses, until the limit push rod 102 passes through the inner part of the track panel steel rail 3, the limit push rod 102 loses extrusion to the jack 6, under the action of the reset spring 103, the limit push rod 102 overturns upwards and resets, at the moment, the limit push rod 102 is blocked, and the inserted bar 105 cannot move rightwards. Then, the rotation screw cap 109 and the fixed disc 111 rotate, because the threaded rod 106 cannot rotate, the rotation screw cap 109 and the fixed disc 111 move along the outer wall of the threaded rod 106 towards the direction of the inserted rod 105 until the fixed disc 111 rotates into the ratchet groove 5, at this time, the ratchet 108 is extruded by the ratchet groove 5 and is rotationally embedded in the embedded groove 107, therefore, the ratchet 108 cannot limit the normal screwing rotation of the fixed disc 111, along with the continuous approach of the rotation screw cap 109 and the limiting push rod 102, until the rotation screw cap 109 and the fixed ring 4 squeeze, at this time, the track rail 3 and the connecting joint 2 can be clamped and fixed through the rotation screw cap 109 and the limiting push rod 102, and the sealing performance between the rotation screw cap 109 and the fixed ring 4 is greatly improved by the arrangement of the rubber gasket 113.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. A rivet fastener for railway track laying having an anti-drop structure, comprising: the novel steel rail comprises a rail panel steel rail (3), wherein a connecting joint (2) is arranged in a groove on one side of the rail panel steel rail (3), and is characterized in that the connecting joint (2) is fixedly connected with the rail panel steel rail (3) through a fastening assembly (1);
a fixed ring (4) is fixedly sleeved in the center of the connecting joint (2), and a ratchet groove (5) is formed in the fixed ring (4);
fastening assembly (1) include inserted bar (105) and with inserted bar (105) fixed connection's threaded rod (106), a plurality of interior catching groove (104) have been seted up to the inside of inserted bar (105), every the inside of interior catching groove (104) is all rotated and is connected with spacing push rod (102), the outer wall thread bush of threaded rod (106) is equipped with fixed disk (111), a plurality of buries groove (107) have been seted up to the outer wall inside of fixed disk (111), every the inside of burying groove (107) all rotates and is connected with ratchet groove (5) to complex ratchet (108).
2. The rivet pulling fastener for railway track laying with the anti-falling structure according to claim 1, wherein a reset spring (103) for supporting the limiting push rod (102) is fixedly connected between the limiting push rod (102) and the inner buckling groove (104).
3. The rivet pulling fastener for railway track laying with the anti-falling structure according to claim 1, wherein a supporting spring (110) for supporting the ratchet (108) is fixedly connected between the ratchet (108) and the embedded groove (107).
4. The pulling rivet fastener for railway track laying with the anti-falling structure according to claim 1, wherein one end of the fixed disc (111) far away from the inserted rod (105) is fixedly connected with a rotary nut (109), and a thread groove (112) matched with the threaded rod (106) is formed in the rotary nut (109) and the fixed disc (111) together.
5. The pulling rivet fastener with the anti-falling structure for railway track laying according to claim 1, wherein the limiting slide bars (101) are fixedly connected to the outer walls of the inserting bars (105) between two adjacent limiting push bars (102).
6. The rivet pulling fastener with the anti-falling structure for railway track laying according to claim 5, wherein the inside of the track panel steel rail (3) is provided with a jack (6) for inserting a plug rod (105) and a threaded rod (106).
7. The pulling rivet fastener with the anti-falling structure for railway track laying according to claim 6, wherein a plurality of limit grooves (7) communicated with the jack (6) are formed on the outer side of the jack (6), and the limit grooves (7) and the limit sliding rods (101) are arranged in one-to-one correspondence.
8. The rivet pulling fastener for railway track laying with the anti-falling structure according to claim 4, wherein a rubber washer (113) is fixedly adhered to the outer wall of the side, close to the inserted link (105), of the rotary nut (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456134.5U CN220301080U (en) | 2023-06-08 | 2023-06-08 | Pulling rivet fastener with anti-falling structure for railway track laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456134.5U CN220301080U (en) | 2023-06-08 | 2023-06-08 | Pulling rivet fastener with anti-falling structure for railway track laying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301080U true CN220301080U (en) | 2024-01-05 |
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ID=89372191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321456134.5U Active CN220301080U (en) | 2023-06-08 | 2023-06-08 | Pulling rivet fastener with anti-falling structure for railway track laying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301080U (en) |
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2023
- 2023-06-08 CN CN202321456134.5U patent/CN220301080U/en active Active
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