CN210443673U - Steel rail traction backflow connecting component combining expansion nail and cold pressing - Google Patents
Steel rail traction backflow connecting component combining expansion nail and cold pressing Download PDFInfo
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- CN210443673U CN210443673U CN201921083935.5U CN201921083935U CN210443673U CN 210443673 U CN210443673 U CN 210443673U CN 201921083935 U CN201921083935 U CN 201921083935U CN 210443673 U CN210443673 U CN 210443673U
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Abstract
The utility model discloses a rail traction backflow connecting component combining expansion nail and cold pressing, in particular to the field of railway traction backflow, which comprises a rail and a cable, wherein the rail is provided with a fixing component; the fixing assembly comprises an expansion nail, a first through hole is formed in the steel rail, the expansion nail penetrates through the first through hole, a clamping ring is fixedly arranged at one end of the expansion nail, a second through hole is formed in the expansion nail, a bolt penetrates through the expansion nail and is arranged in the second through hole, a bowl-shaped gasket is arranged on one side of the steel rail, a third through hole is formed in the bowl-shaped gasket, and the bolt penetrates through the third through hole. The utility model discloses a mode zonulae occludens that wiring nose and rail on nail and the cable conductor expand pass through mechanical crimping to reach the current transmission of the low resistance value between wiring nose, the nail that expands and the rail, it is convenient to install, and electrical impedance is little, and contact resistance is very low, and it is easier to maintain.
Description
Technical Field
The utility model relates to a railway pulls backward flow technical field, more specifically says, the utility model relates to a rail that bloated nail cold-pressed and combines pulls backward flow connecting elements.
Background
The return line on the railway is a lead which is connected in series with the secondary side of the current-absorbing transformer in the power supply mode of the alternating current electrified railway current-absorbing transformer, the current returning from the ground is forced by the action of the current absorption, most of the current returns to the traction substation from the return line, and the returning direction of the return line is opposite to the current direction in the contact network, so that the interference influence on a communication line, which is generated by the current of the contact network, can be counteracted for the most part.
Railway traction backflow needs steel rails and cables to be communicated, and steel rails and cable fixing devices in the prior art have the defects of inconvenience in installation, poor fixing effect and inconvenience in later maintenance.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an expand nail and draw backward flow connecting elements with rail of cold pressing combination, mode zonulae occludens through the connection nose on nail and the cable conductor that expands and the rail passes through mechanical crimping, in order to reach the connection nose, the current transmission of the low resistance value between nail and the rail that expands, it is convenient to install, electrical impedance is little, contact resistance is very low, it is easier to maintain, the nail that expands possesses multiple copper product, electrical connection's reliability and security have been guaranteed more, thicker wall thickness allows the nail that expands to have littleer requirement to the drilling error of rail, separable connection nose can be connected to the nail that expands from the rail both sides simultaneously, compare with traditional nail that expands, can make necessary connection quantity reduce half, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a steel rail traction backflow connecting component combining expansion nails and cold pressing comprises a steel rail and a cable, wherein a fixing assembly is arranged on the steel rail;
the fixing assembly comprises an expansion nail, a first through hole is formed in the steel rail, the expansion nail penetrates through the first through hole, a clamping ring is fixedly arranged at one end of the expansion nail, a second through hole is formed in the expansion nail, a bolt penetrates through the expansion nail and is arranged in the second through hole, a bowl-shaped gasket is arranged on one side of the steel rail, a third through hole is formed in the bowl-shaped gasket, the bolt penetrates through the third through hole, a wiring nose is fixedly arranged on the cable wire, the wiring nose is sleeved on one end, away from the bowl-shaped gasket, of the bolt, a gasket is sleeved on one end, close to the wiring nose, of the bolt, and a self-locking nut is sleeved on one end, close to the gasket, of the bolt.
In a preferred embodiment, the electric cable is arranged on the fixing component, and the steel rail and the electric cable are fixedly connected through the fixing component.
In a preferred embodiment, the collar is provided on one side of the rail.
In a preferred embodiment, the bolt is provided through the bowl-shaped gasket.
In a preferred embodiment, the cable is provided on the lug side.
In a preferred embodiment, the lug is disposed between the expansion pin and the washer.
In a preferred embodiment, the self-locking nut is provided on one side of the washer.
In a preferred embodiment, the washer is disposed between the lug and the self-locking nut.
In a preferred embodiment, the expansion nail is a tin-plated copper component, and the bolt, the bowl-shaped gasket, the washer and the self-locking nut are all stainless steel components.
The utility model discloses a technological effect and advantage:
mode zonulae occludens of connecting lug and rail through mechanical crimping on nail and the cable conductor expand, in order to reach the connecting lug, expand the current transmission of the low resistance value between nail and the rail, it is convenient to install, electric impedance is little, contact resistance is very low, it is easier to maintain, the nail that expands possesses multiple copper product, electrical connection's reliability and security have been guaranteed more, thicker wall thickness allows the nail that expands to have littleer requirement to the drilling error of rail, separable connecting lug can be connected to the nail that expands from the rail both sides simultaneously, compare with traditional nail that expands, can make necessary connection quantity reduce half.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side view schematic diagram of the connection lug of the utility model.
Fig. 3 is the three-dimensional structure schematic diagram of the expansion nail of the utility model.
Fig. 4 is a schematic view of a three-dimensional structure of the bowl-shaped gasket of the present invention.
Fig. 5 is a schematic view of a three-dimensional structure of the gasket of the present invention.
The reference signs are: the cable fixing device comprises a steel rail 1, a cable 2, a fixing assembly 3, an expansion nail 4, a first through hole 5, a clamping ring 6, a second through hole 7, a bolt 8, a bowl-shaped gasket 9, a third through hole 10, a wiring nose 11, a washer 12 and a self-locking nut 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The steel rail traction backflow connecting component combined by expansion nails and cold pressing as shown in the attached drawings 1-5 comprises a steel rail 1 and cables 2, wherein a fixing component 3 is arranged on the steel rail 1;
fixed subassembly 3 is including bloated nail 4, first through-hole 5 has been seted up on rail 1, bloated nail 4 runs through and locates inside first through- hole 5, 4 one end of bloated nail is fixed and is equipped with rand 6, the second through-hole 7 has been seted up on bloated nail 4, it is equipped with bolt 8 to run through on bloated nail 4, bolt 8 runs through and locates inside second through- hole 7, 1 one side of rail is equipped with bowl form gasket 9, third through-hole 10 has been seted up on bowl form gasket 9, bolt 8 runs through and locates inside third through-hole 10, the last fixed connection nose 11 that is equipped with of cable conductor 2, connection nose 11 cup joints and locates the one end that bolt 8 kept away from bowl form gasket 9, bolt 8 is close to connection nose 11 one end and cup joints and is equipped with packing ring 12, bolt 8 is close to packing ring 12 one.
The cable 2 is arranged on the fixing component 3, and the steel rail 1 is fixedly connected with the cable 2 through the fixing component 3.
The clamping ring 6 is arranged on one side of the steel rail 1.
The bolt 8 is arranged on the bowl-shaped gasket 9 in a penetrating way.
The cable 2 is arranged on one side of the wiring nose 11.
The lug 11 is arranged between the expansion nail 4 and the washer 12.
The self-locking nut 13 is arranged on one side of the washer 12.
The washer 12 is arranged between the wiring lug 11 and the self-locking nut 13;
the expansion nail 4 is a tinned copper component, and the bolt 8, the bowl-shaped gasket 9, the washer 12 and the self-locking nut 13 are all stainless steel components.
The implementation mode is specifically as follows: a first through hole 5 is punched on a steel rail 1 by using an electric steel rail drilling machine, then an expansion nail 4 is inserted into the first through hole 5, cold pressing treatment is carried out on the expansion nail 4 by using hydraulic pliers, a clamping ring 6 is formed at one end of the expansion nail 4, the expansion nail 4 is integrally formed into a rivet shape, the middle part of the expansion nail is clamped in the first through hole 5, two ends of the expansion nail are tightly attached to two sides of the steel rail 1, the expansion nail 4 is well fixed on the steel rail 1, then a bolt 8 penetrates through a third through hole 10 formed in a bowl-shaped gasket 9, the bowl-shaped gasket 9 is integrally sleeved on the bolt 8, the bolt 8 penetrates through a second through hole 7 formed in the expansion nail 4, the bowl-shaped gasket 9 is attached to one side of the steel rail 1 at the moment, the clamping ring 6 is positioned at the inner side of the bowl-shaped gasket 9 to be covered, a nut on the bolt 8 is prevented from being directly pressed on one side of the bowl-shaped, thereby the nut on the bolt 8 is indirectly pressed on one side of the steel rail 1, then the wiring nose 11 on the cable 2 is sleeved on one end of the bolt 8 and is attached on one side of the expansion nail 4, the end of the bolt 8 is sleeved with the gasket 12 and is attached on one side of the wiring nose 11, finally the end of the bolt 8 is sleeved with the self-locking nut 13 which is positioned on one side of the gasket 12, and the self-locking nut 13 is rotated, because the self-locking nut 13 is in threaded engagement with the bolt 8, and the bolt 8 is indirectly pressed on the left side of the steel rail 1 and can not move rightwards, the self-locking nut 13 moves leftwards when rotating, the gasket 12 compresses the wiring nose 11, the wiring nose 11 is tightly pressed by the gasket 12, the wiring nose 11 is tightly pressed by the expansion nail 4, the wiring nose 4 is tightly connected with the wiring nose 11, and because the expansion nail 4 is directly attached and fixed on the steel rail 1, thereby the steel rail 1 is communicated with the wiring nose, in order to reach wiring nose 11, the current transmission of the low resistance between nail 4 and the rail 1 expands, it is convenient to install, fixed effectual, electric impedance is little, contact resistance is very low, it is easier to maintain, nail 4 possesses multiple copper product, electric connection's reliability and security have been guaranteed more, thicker wall thickness allows nail 4 to expand to have littleer requirement to rail 1's drilling error, separable wiring nose 11 can be connected to nail 4 from rail 1 both sides simultaneously, compare with traditional nail 4 that expands, can make necessary connection quantity reduce half.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, the expansion nail 4 is tightly connected with the wiring lug 11 on the cable 2 and the steel rail 1 in a mechanical compression joint mode, so that low-resistance current transmission among the wiring lug 11, the expansion nail 4 and the steel rail 1 is achieved, the installation is convenient and fast, the electrical impedance is small, the contact resistance is very low, the maintenance is easier, the expansion nail 4 is made of multiple copper materials, the reliability and the safety of electrical connection are guaranteed, the thicker wall thickness allows the expansion nail 4 to have smaller requirements on the drilling error of the steel rail 1, the separable wiring lug 11 can be connected to the expansion nail 4 from two sides of the steel rail 1 at the same time, and compared with the traditional expansion nail 4, the necessary connection quantity can be reduced by half.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a rail that expands nail cold pressing combines pulls backward flow connecting elements, includes rail (1) and cable conductor (2), its characterized in that: the steel rail (1) is provided with a fixing component (3);
the fixing component (3) comprises an expansion nail (4), a first through hole (5) is formed in the steel rail (1), the expansion nail (4) penetrates through the first through hole (5), a clamping ring (6) is fixedly arranged at one end of the expansion nail (4), a second through hole (7) is formed in the expansion nail (4), a bolt (8) is arranged on the expansion nail (4) in a penetrating mode, the bolt (8) penetrates through the second through hole (7), a bowl-shaped gasket (9) is arranged on one side of the steel rail (1), a third through hole (10) is formed in the bowl-shaped gasket (9), the bolt (8) penetrates through the third through hole (10), a wiring nose (11) is fixedly arranged on the cable (2), the wiring nose (11) is sleeved at one end, far away from the bowl-shaped gasket (9), of the bolt (8) close to one end of the wiring nose (11), and is sleeved with a gasket (12), and a self-locking nut (13) is sleeved at one end of the bolt (8) close to the washer (12).
2. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the cable (2) is arranged on the fixing component (3), and the steel rail (1) is fixedly connected with the cable (2) through the fixing component (3).
3. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the clamping ring (6) is arranged on one side of the steel rail (1).
4. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the bolt (8) penetrates through the bowl-shaped gasket (9).
5. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the cable (2) is arranged on one side of the wiring nose (11).
6. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the wiring nose (11) is arranged between the expansion nail (4) and the gasket (12).
7. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the self-locking nut (13) is arranged on one side of the gasket (12).
8. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the washer (12) is arranged between the wiring nose (11) and the self-locking nut (13).
9. A rail traction return connection member formed by combining an expansion nail and a cold pressing nail according to claim 1, wherein: the expansion nail (4) is a tinned copper component, and the bolt (8), the bowl-shaped gasket (9), the washer (12) and the self-locking nut (13) are all stainless steel components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083935.5U CN210443673U (en) | 2019-07-11 | 2019-07-11 | Steel rail traction backflow connecting component combining expansion nail and cold pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083935.5U CN210443673U (en) | 2019-07-11 | 2019-07-11 | Steel rail traction backflow connecting component combining expansion nail and cold pressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443673U true CN210443673U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921083935.5U Active CN210443673U (en) | 2019-07-11 | 2019-07-11 | Steel rail traction backflow connecting component combining expansion nail and cold pressing |
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| CN (1) | CN210443673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116154494A (en) * | 2023-04-08 | 2023-05-23 | 中铁电气工业有限公司 | Cable domain-division same-side grounding method for flexible traction power supply system |
-
2019
- 2019-07-11 CN CN201921083935.5U patent/CN210443673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116154494A (en) * | 2023-04-08 | 2023-05-23 | 中铁电气工业有限公司 | Cable domain-division same-side grounding method for flexible traction power supply system |
| CN116154494B (en) * | 2023-04-08 | 2023-09-08 | 中铁电气工业有限公司 | Cable domain-division same-side grounding method for flexible traction power supply system |
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