CN220721074U - Connecting rod guiding device of railway turnout electric service switching mechanism - Google Patents
Connecting rod guiding device of railway turnout electric service switching mechanism Download PDFInfo
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- CN220721074U CN220721074U CN202322394491.XU CN202322394491U CN220721074U CN 220721074 U CN220721074 U CN 220721074U CN 202322394491 U CN202322394491 U CN 202322394491U CN 220721074 U CN220721074 U CN 220721074U
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- switching mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model relates to a connecting rod guiding device of a railway turnout electrical switching mechanism, which comprises a base, an insulating side plate, an insulating roller and an adjusting sheet; the bottom of the base is provided with angle steel in a matching way and is fixedly arranged at the bottom of the stock rail through the angle steel; an adjusting sheet is arranged between the bottom of the base and the top of the angle steel in a matched and fixed manner; the insulating side plates are provided with a pair of middle section top surfaces which are vertically fixed on the base in a matching manner; the upper ends of the pair of insulating side plates are connected with each other through a second bolt assembly, and the lower ends of the pair of insulating side plates are connected with each other through another second bolt assembly; the pair of insulating side plates are respectively hinged with the insulating roller wheels in a matching manner on the second bolt assemblies between the upper ends and the lower ends of the insulating side plates. The utility model has simple and reasonable structural design, convenient maintenance and replacement, reduced maintenance time cost, safe and reliable use and long service life.
Description
Technical Field
The utility model relates to a guiding device, in particular to a connecting rod guiding device of an electric service switching mechanism of a railway turnout.
Background
The application of the electric switching mechanism of the point rail (or the core rail) driven by one machine in multiple points significantly reduces the quantity of switching equipment and maintenance and repair undertaking, and the long connecting rod plays a vital force transmission role in the mechanism. When the electric service conversion equipment drives the multi-point link mechanism of one machine, the long link is easy to generate overlarge deformation due to larger span, even the phenomenon of blocking occurs, the whole electric service conversion of the turnout is affected, and the running safety of the train is greatly threatened. In order to solve the difficult problem of the excessive stress deformation of the long connecting rod, when the length of the long connecting rod of the primary multipoint drive switch rail mechanism exceeds 4m, a group of guide supporting devices are required to be arranged at intervals along the length direction of the connecting rod so as to ensure the stable and smooth operation of the long connecting rod.
In view of this, in chinese patent CN202122190947.1, a one-machine multi-point driving mechanism for railway switch is disclosed, which relates to a link guide structure for one-machine multi-point electric service conversion mechanism. The guide device is provided with a pair of crescent insulating blocks, and is fixed at the middle part of the electrical service conversion connecting rod mechanism through bolts, nuts and other fasteners, so that the long connecting rod can be effectively limited to generate larger deformation in the horizontal and vertical directions. The guide supporting device is characterized in that a through hole is formed in the insulating block, and a long connecting rod penetrates through the through hole to realize the guide supporting function. The insulation block in direct contact with the long connecting rod is of a fixed structure, and the following problems exist:
(1) And the installation and the disassembly are inconvenient. The insulating block is of a fixed structure, the insulating block is required to be sleeved on the long connecting rod for installation in the installation process, the long connecting rod and the device are required to be integrally disassembled and assembled in the maintenance process, and the required time cost is high;
(2) Sliding friction is arranged between the long connecting rod and the insulating block. The friction mode can increase the running resistance of the whole connecting rod mechanism, further increase the overall load of the electric service conversion equipment and reduce the service life of switch rails and pull rods;
(3) When the electric service conversion equipment drives a multi-point link mechanism, a certain contact angle exists between the long link and the insulating block, so that high pairs are easy to form; the abrasion speed is increased under the conditions of long-time large friction force and concentrated load, the long connecting rod cannot be well supported, new insulating blocks need to be replaced regularly, and maintenance workload is large.
In view of the above, further improvements in the prior art are necessary.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides the connecting rod guide device of the railway turnout electric switching mechanism, which has the advantages of simple and reasonable structural design, convenient maintenance and replacement, reduced maintenance time cost, safe and reliable use and long service life.
The technical scheme of the utility model is as follows:
the connecting rod guiding device of the railway turnout electrical switching mechanism comprises a base, an insulating side plate, an insulating roller and an adjusting sheet; the bottom of the base is provided with angle steel in a matching way and is fixedly arranged at the bottom of the stock rail through the angle steel; an adjusting sheet is arranged between the bottom of the base and the top of the angle steel in a matched and fixed manner; the insulating side plates are provided with a pair of middle section top surfaces which are vertically fixed on the base in a matching manner; the upper ends of the pair of insulating side plates are connected with each other through a second bolt assembly, and the lower ends of the pair of insulating side plates are connected with each other through another second bolt assembly; the insulation roller wheels are hinged on the second bolt assemblies between the upper ends and the lower ends of the pair of insulation side plates in a matched mode; the insulating roller and the pair of insulating side plates enclose a closed space.
The railway switch electrical switching mechanism connecting rod guider, wherein: the insulation roller (3) is also provided with a U-shaped guide groove along the circumferential surface in a matching way.
The railway switch electrical switching mechanism connecting rod guider, wherein: the insulation roller is of an integrated structure made of polytetrafluoroethylene wear-resistant insulation materials.
The railway switch electrical switching mechanism connecting rod guider, wherein: the base is of an integral structure, and first bolt holes are formed in the two ends of the base in a matching manner along the vertical direction; mounting holes are formed in the two ends of the adjusting piece in a matching mode; the base and the two ends of the adjusting piece are assembled and fixed with the angle steel through the first bolt hole and the mounting hole and the first bolt component.
The railway switch electrical switching mechanism connecting rod guider, wherein: the first bolt assembly consists of a first bolt, a first flat washer, a first spring washer, a first thin nut, a first locknut and a first cotter pin; the first bolt is a hexagon head screw rod, sequentially vertically passes through the first bolt hole, the mounting hole and the angle steel from top to bottom and extends out to the lower part of the angle steel; the screw rod of the first bolt extending downwards from the angle steel is provided with a first flat washer, a first spring washer, a first thin nut and a first locknut in a matching manner from top to bottom in sequence; the lower end screw rod of the first bolt is provided with the first cotter pin in a radial matching mode, and the first flat gasket, the first spring gasket, the first thin nut and the first locknut are axially limited through the first cotter pin.
The railway switch electrical switching mechanism connecting rod guider, wherein: a pair of said insulating side panels each comprising a body panel; the main body plates of the pair of insulating side plates are fixedly provided with insulating base plates in a matching way on one side face opposite to each other.
The railway switch electrical switching mechanism connecting rod guider, wherein: the upper end and the lower end of the main body plate are provided with second bolt holes in a matching way along the horizontal direction; the upper end and the lower end of the insulating base plate are provided with assembly holes in a matching mode along the horizontal direction.
The railway switch electrical switching mechanism connecting rod guider, wherein: the second bolt assembly consists of a second bolt, a second spring washer, a second locknut and a second cotter pin; the second bolt is a hexagon head screw rod, passes through the second bolt hole and the assembly hole from left to right, and the tail end screw rod extends out of the insulating side plate; the second spring washer and the second locknut are sequentially arranged on the end screw rod, extending out of the insulating side plate, of the second bolt in a matching manner from left to right; the second cotter pin is arranged on the end screw rod extending out of the insulating side plate along the radial direction in a matching mode, and the second spring washer and the second locknut are axially limited through the second cotter pin.
The railway switch electrical switching mechanism connecting rod guider, wherein: the insulating roller is hinged on the screw rod of the second bolt between the pair of insulating side plates in a matching way.
The beneficial effects are that:
the connecting rod guide device of the railway turnout electric service switching mechanism is simple and reasonable in structural design, is designed into a detachable structure, can be maintained and replaced only by disassembling and assembling the bolt assembly in the daily maintenance and replacement process, greatly reduces the time cost of maintenance and has high economical efficiency; the structure of the insulating side plate and the insulating roller is adopted to replace an insulating block, so that sliding friction is changed into rolling friction, the running resistance in the transmission process of the long connecting rod is obviously reduced, the pulling force is reduced, and the service lives of the switching equipment and the switch tongue are prolonged; the insulation roller is used for replacing the insulation block, rolling friction is formed between the long connecting rod and the insulation roller, friction force between the long connecting rod and the guide device is reduced, running resistance in the transmission process of the long connecting rod is obviously reduced, pulling force is reduced, and service life of the conversion equipment is prolonged; the supporting mode of the long connecting rod is changed, namely, the U-shaped guide groove is formed in the insulating roller, so that the long connecting rod and the insulating roller form a low pair, abrasion of the insulating roller is reduced, and a more accurate and flexible guiding effect is provided for the long connecting rod.
Drawings
FIG. 1 is a front view of a link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 2 is an isometric view of a link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 3 is a front view of the base of the link guide of the railway switch electrical service switching mechanism of the present utility model in combination with the body plate of the insulated side plate;
FIG. 4 is a top view of the base of the link guide of the railway switch electrical service switching mechanism of the present utility model in combination with the body plate of the insulated side plate;
FIG. 5 is a front view of an insulated roller of the link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 6 is a cross-sectional view of an insulated roller of the link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 7 is a front view of the tab of the link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 8 is a top view of the tab of the link guide of the railway switch electrical service switching mechanism of the present utility model;
FIG. 9 is a front view of the insulating pad of the link guide of the railway switch electrical service switching mechanism of the present utility model;
fig. 10 is a top view of an insulating pad of the link guide of the railway switch electrical service switching mechanism of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in fig. 1, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 6, the connecting rod guide device of the railway switch electrical service switching mechanism of the present utility model comprises a base 1, an insulating side plate 2, an insulating roller 3, a regulating plate 4, a first bolt assembly 5 and a second bolt assembly 6.
The bottom of the base 1 is provided with angle steel 7 in a matching mode and is fixedly arranged at the bottom of a stock rail through the angle steel 7, displacement of the base 1 in the horizontal direction and the vertical direction is limited through the angle steel 7, and stable support is provided for a guide device. Wherein, the base 1 is of a monolithic structure, which provides more stable support; the adjusting piece 4 is arranged between the bottom of the base 1 and the top of the angle steel 7 in a matching way, and the distance adjustment of the base 1 in the vertical direction can be realized through the adjusting pieces 4 with different thicknesses. The two ends of the base 1 are provided with first bolt holes 11 in a matching manner along the vertical direction; mounting holes 41 are formed at two ends of the adjusting piece 4 in a matching manner; the two ends of the base 1 and the adjusting piece 4 are assembled and fixed with the angle steel 7 through the first bolt hole 11 and the mounting hole 41 and the first bolt component 5.
The first bolt assembly 5 is comprised of a first bolt 51, a first flat washer 52, a first spring washer 53, a first thin nut 54, a first locknut 55, and a first cotter pin 56; the first bolt 51 is a hexagon head screw, which vertically passes through the first bolt hole 11 of the base 1, the mounting hole 41 of the adjusting piece 4 and the angle steel 7 from top to bottom and extends out of the lower part of the angle steel 7, and the screw of the first bolt 51 extending out of the lower part of the angle steel 7 is sequentially matched and provided with a first flat washer 52, a first spring washer 53, a first thin nut 54 and a first locknut 55 from top to bottom; the first cotter pin 56 is mounted on the lower end terminal rod of the first bolt 51 in a matching manner along the radial direction of the first bolt 51 to axially limit the first flat washer 52, the first spring washer 53, the first thin nut 54 and the first locknut 55.
The insulating side plates 2 are provided with a pair of middle section top surfaces which are vertically fixed on the base 1 in a matching way; the pair of insulating side plates 2 are parallel and symmetrical to each other, and each of the pair of insulating side plates 2 includes a main body plate 21; an insulating base plate 22 is fixedly arranged on one side surface of the main body plate 21 of the pair of insulating side plates 2, which are opposite to each other; the upper and lower ends of the main body plates 21 of the pair of insulating side plates 2 are each provided with a second bolt hole 211 in a horizontal direction; the upper ends of the pair of insulating side plates 2 are connected with each other by being matched with one second bolt assembly 6 through a second bolt hole 211, and the lower ends of the pair of insulating side plates 2 are connected with each other by being matched with the other second bolt assembly 6 through the second bolt hole 211; the insulating side plate 2 plays a role in insulating and sealing; the upper and lower ends of the insulating pad 22 are provided with fitting holes 221 in a matching manner.
The second bolt assembly 6 is composed of a second bolt 61, a second spring washer 62, a second locknut 63 and a second cotter pin 64; the second bolt 61 is a hexagon head screw which passes through the second bolt holes 211 of the pair of insulating side plates 2 and the fitting holes 221 of the insulating base plate 22 from left to right and the end screw protrudes to the outside of the insulating side plates 2; the second bolt 61 is provided with a second spring washer 62 and a second locknut 63 which are arranged in a matching way from left to right at the tail end of the screw rod extending to the outer side of the insulating side plate 2; the second cotter pin 64 is fitted to an end screw of the second bolt 61 protruding to the outside of the insulating side plate 2 in the radial direction of the second bolt 61 to axially restrain the second spring washer 62 and the second locknut 63.
The insulating roller 3 has a pair and is respectively fitted on the screws of the second bolts 61 of the pair of second bolt assemblies 6 located between the upper and lower ends of the pair of insulating side plates 2; the insulating roller 3 is an integral structure made of polytetrafluoroethylene wear-resistant insulating materials, and encloses a closed space through insulating side plates 2 arranged on two sides in the axial direction, so as to provide an insulating operation environment for the long connecting rod 8. The insulation roller 3 is provided with a U-shaped guide groove, so that a long connecting rod 8 and the insulation roller 3 form a low pair, abrasion of the insulation roller 3 is reduced, and a more accurate guide effect is provided for the long connecting rod 8; the insulating roller 3 plays an insulating sealing role, and the rolling transmission of the long connecting rod 8 is realized by installing the insulating roller 3 on the second bolt 61; the long connecting rod 8 drives the insulating roller 3 to rotate freely around the second bolt 61 in the transmission process.
Wherein, in the operation process of the switching equipment, the long connecting rod 8 transmits displacement through the connecting rod guiding device of the railway turnout electric service switching mechanism; the insulation roller 3 is in direct contact with the long connecting rod 8 to provide supporting and guiding functions, the original sliding friction of the insulation roller 3 is changed into rolling friction, and the energy loss of the long connecting rod 8 in the action process is greatly reduced; the insulation roller 3 is provided with a U-shaped guide groove, so that the long connecting rod 8 and the insulation roller 3 form a low pair, abrasion of the insulation roller 3 is reduced, and a more accurate guide effect is provided for the long connecting rod 8.
The working principle of the utility model is as follows:
the base 1 is fixedly connected with a stock rail through angle steel 7, so as to provide stable support for the connecting rod guide device of the railway switch electric service switching mechanism; through setting up an insulating running roller 3 respectively from top to bottom, each sets up an insulating curb plate 2 about, forms insulating confined operational environment, restricts long connecting rod 8 in horizontal and vertical direction's displacement, provides support direction effect for long connecting rod 8.
The utility model has simple and reasonable structural design, convenient maintenance and replacement, reduced maintenance time cost, safe and reliable use and long service life.
Claims (9)
1. A connecting rod guiding device of a railway switch electrical switching mechanism is characterized in that: the guiding device comprises a base (1), an insulating side plate (2), an insulating roller (3) and an adjusting sheet (4);
the bottom of the base (1) is provided with angle steel (7) in a matching way and is fixedly arranged at the bottom of the stock rail through the angle steel (7); an adjusting sheet (4) is also matched and clamped between the bottom of the base (1) and the top of the angle steel (7);
the insulating side plates (2) are provided with a pair of middle section top surfaces which are vertically fixed on the base (1) in a matching manner; the upper ends of a pair of the insulating side plates (2) are connected with each other through a second bolt assembly (6), and the lower ends of the insulating side plates are connected with each other through another second bolt assembly (6);
the pair of insulating side plates (2) are respectively hinged with the insulating roller wheels (3) in a matching manner on a second bolt assembly (6) between the upper ends and the lower ends of the insulating side plates; the insulating roller (3) and the pair of insulating side plates (2) enclose a closed space.
2. The railroad switch electrical service switching mechanism link guide apparatus of claim 1, wherein: the insulation roller (3) is also provided with a U-shaped guide groove along the circumferential surface in a matching way.
3. The railroad switch electrical service switching mechanism link guide apparatus of claim 1, wherein: the insulation roller (3) is of an integral structure made of polytetrafluoroethylene wear-resistant insulation materials.
4. The railroad switch electrical service switching mechanism link guide apparatus of claim 1, wherein: the base (1) is of an integral structure, and first bolt holes (11) are formed in the two ends of the base in a matching manner along the vertical direction; mounting holes (41) are formed in the two ends of the adjusting piece (4) in a matching mode; the base (1) and the two ends of the adjusting piece (4) are assembled and fixed with the angle steel (7) through the first bolt hole (11) and the mounting hole (41) and the first bolt component (5).
5. The railroad switch electrical service switching mechanism link guide apparatus of claim 4, wherein: the first bolt assembly (5) consists of a first bolt (51), a first flat washer (52), a first spring washer (53), a first thin nut (54), a first locknut (55) and a first cotter pin (56);
the first bolt (51) is a hexagon head screw rod, sequentially passes through the first bolt hole (11), the mounting hole (41) and the angle steel (7) vertically from top to bottom and extends out to the lower part of the angle steel (7); the screw rod of the first bolt (51) extending downwards from the angle steel (7) is provided with a first flat washer (52), a first spring washer (53), a first thin nut (54) and a first locknut (55) in a matching manner from top to bottom in sequence;
the lower end screw rod of the first bolt (51) is provided with the first cotter pin (56) in a radial matching mode, and the first flat washer (52), the first spring washer (53), the first thin nut (54) and the first locknut (55) are axially limited through the first cotter pin (56).
6. The railroad switch electrical service switching mechanism link guide apparatus of claim 1, wherein: a pair of the insulating side plates (2) each include a main body plate (21); a pair of main body plates (21) of the insulating side plates (2) are fixedly provided with insulating base plates (22) in a matching way on one side surface opposite to each other.
7. The railroad switch electrical service switching mechanism link guide apparatus of claim 6, wherein: the upper end and the lower end of the main body plate (21) are provided with second bolt holes (211) in a matching manner along the horizontal direction;
the upper end and the lower end of the insulating base plate (22) are provided with assembly holes (221) in a matching mode along the horizontal direction.
8. The railroad switch electrical service switching mechanism link guide apparatus of claim 7, wherein: the second bolt assembly (6) consists of a second bolt (61), a second spring washer (62), a second locknut (63) and a second cotter pin (64);
the second bolt (61) is a hexagon head screw rod, which passes through the second bolt hole (211) and the assembly hole (221) from left to right, and the tail end screw rod extends out of the insulating side plate (2); the second spring washer (62) and the second locknut (63) are sequentially arranged on the end screw rod of the second bolt (61) extending to the outer side of the insulating side plate (2) in a matching manner from left to right;
the second split pin (64) is arranged on the end screw rod, which extends out of the insulating side plate (2), of the second bolt (61) in a radial matching mode, and the second spring washer (62) and the second locknut (63) are axially limited through the second split pin (64).
9. The railroad switch electrical service switching mechanism link guide apparatus of claim 8, wherein: the insulating roller (3) is hinged on the screw rod of the second bolt (61) positioned between the pair of insulating side plates (2) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394491.XU CN220721074U (en) | 2023-09-04 | 2023-09-04 | Connecting rod guiding device of railway turnout electric service switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394491.XU CN220721074U (en) | 2023-09-04 | 2023-09-04 | Connecting rod guiding device of railway turnout electric service switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220721074U true CN220721074U (en) | 2024-04-05 |
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ID=90524859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322394491.XU Active CN220721074U (en) | 2023-09-04 | 2023-09-04 | Connecting rod guiding device of railway turnout electric service switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220721074U (en) |
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2023
- 2023-09-04 CN CN202322394491.XU patent/CN220721074U/en active Active
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