CN212000397U - Telescopic frog for movable-core turnout - Google Patents
Telescopic frog for movable-core turnout Download PDFInfo
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- CN212000397U CN212000397U CN202020366628.4U CN202020366628U CN212000397U CN 212000397 U CN212000397 U CN 212000397U CN 202020366628 U CN202020366628 U CN 202020366628U CN 212000397 U CN212000397 U CN 212000397U
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Abstract
The utility model relates to a telescopic frog for movable core turnout, which comprises a straight track and a lateral track which are arranged in a matching way, wherein a first wing rail and a second wing rail are arranged in the matching way, and a compensation swing unit is arranged in the matching way; the compensation swinging unit comprises a rail changing section, an elastic bendable section and a fixed section in sequence on one side facing the first wing rail, and a telescopic section is arranged on the rear part of one side facing the second wing rail and is matched with the fixed section; the compensated wobble unit is connected to the controller. The utility model discloses reduce harmful space and to the influence that the track travel, can eliminate harmful space, effectively reduce the swing part and pull the external force that needs, guarantee to pull the stability of back stub rail, and then guarantee the stability of driving. The utility model discloses compact structure, simple, can exchange with existing fixed frog, eliminate the harmful space of urban rail transit main track subway frog for the switch, eliminate the gauge wire discontinuity, improve the frog travelling comfort, noise reduction, environment friendly.
Description
Technical Field
The utility model relates to a railway track; a railway track accessory; the technical field of machines for laying various railways, in particular to a telescopic movable-core frog applied to shorter turnouts such as subway turnouts and the like and relating to a point switch and a cross.
Background
Frog is a device for making wheel pass from one steel rail to another, and is composed of fork core, wing rails and connecting parts.
The existing frog for the front subway turnout of urban rail transit generally adopts a fixed frog, the main structural schematic diagram of the fixed frog is shown in the attached drawing 1, a harmful space shown in the drawing exists, the frog gauge line of the harmful space part is interrupted, the impact on the frog is aggravated when a vehicle passes through the position, the injuries of frog wing rails and point rails are easy to occur, and in fact, a plurality of frog are only caused to get off the track by the injuries of rail parts of the harmful space part at present.
Further, the impact of the vehicle is increased when passing through a harmful spatial position of the fixed type frog, resulting in increased noise. In modern city construction, urban subways are main transportation modes, a common turnout of a main line of a subway is a No. 9 single turnout of a 60kg/m steel rail, when the turnout is located near a residential area, residents are very sensitive to noise of metro vehicles passing through a frog, a subway company receives complaints about the noise of users frequently, and therefore how to reduce the noise of the fixed turnout of the main line is an important problem of a subway operation department.
In the prior art, vibration reduction and noise reduction of a track are mainly completed through vibration reduction fasteners, the vibration reduction capability is limited, and the noise of a harmful space part of a frog is not well solved; meanwhile, because the subway has low passing speed at the turnout and short turnout, the conventional short center rail for the railway has large occupied area and high manufacturing cost and cannot be directly utilized.
SUMMERY OF THE UTILITY MODEL
The utility model provides an among the prior art, fixed frog has harmful space, gauge wire to break off, and when the vehicle that leads to passes through this position, to the impact aggravation of frog, the easy flaw that appears frog wing rail and point rail, the maintenance cost is high, the big problem of noise of traveling provides a concertina type movable core frog for switch of optimizing structure, reduces the flaw of frog harmful space position spare part, reduces the noise that the vehicle passes through frog harmful space position.
The utility model adopts the technical scheme that the telescopic frog for the movable-center turnout comprises a straight track and a lateral track which are arranged in a matching way, wherein the straight track and the lateral track are provided with a first wing rail and a second wing rail in a matching way, and the first wing rail and the second wing rail are provided with compensation swing units in a matching way; the compensation swinging unit comprises a rail changing section, an elastic bendable section and a fixed section in sequence on one side facing the first wing rail, and a telescopic section is arranged on the rear part of one side of the compensation swinging unit facing the second wing rail and matched with the fixed section; the compensated wobble unit is connected to a controller.
Preferably, the compensation swing unit includes long heart rail and short heart rail that the head is connected, the head cooperation of long heart rail and short heart rail is located between first wing rail and the second wing rail, long heart rail sets up towards first wing rail, short heart rail sets up towards the second wing rail.
Preferably, the telescopic section at the rear part of the stub rail comprises a telescopic joint matched with the stub rail, a standard joint is fixedly matched with the steel rail behind the stub rail, and a first gap is formed between the stub rail and the steel rail behind the stub rail.
Preferably, the expansion joint comprises 2 clamping plates arranged on two sides of the tail end of the short center rail, clamping plate supports are respectively arranged on the outer sides of the 2 clamping plates, any one of the clamping plate supports is connected with the corresponding clamping plate, and a second gap is formed between the short center rail and the clamping plates on the two sides.
Preferably, the clamping plate facing away from the long rail is a damping clamping plate.
Preferably, guide rail supports are arranged on two sides of the rear part of the short core rail in front of the telescopic section, and the top of any guide rail support is lower than that of the short core rail.
Preferably, the compensating oscillating unit includes a plurality of spacers disposed at a front portion between the long rail and the short rail.
Preferably, the elastic bendable section comprises a plurality of elastic limiting parts matched with the long core rail and the short core rail.
Preferably, the elastic limiting part comprises an anti-tripping top iron supporting vertical plate arranged between the long center rail and the short center rail, and a plurality of anti-tripping top irons are arranged between the anti-tripping top iron supporting vertical plate and the long center rail as well as between the long center rail and the short center rail.
Preferably, the elastic limiting part further comprises a top iron supporting vertical plate arranged on the outer side of the long center rail and the outer side of the short center rail, and a plurality of top irons are respectively arranged between the top iron supporting vertical plate and the long center rail as well as between the long center rail and the short center rail.
The utility model relates to a telescopic movable center frog with optimized structure, which is characterized in that a first wing rail and a second wing rail are respectively arranged between a straight track and a lateral track which are arranged in a matching way, and a compensation swing unit is arranged between the first wing rail and the second wing rail, thereby reducing the influence of harmful space on the track running; the compensation swing unit corresponding to the first wing rail is provided with a variable rail section, an elastic bendable section and a fixed section respectively, and the rear part of the compensation swing unit corresponding to the second wing rail is provided with a telescopic section.
The utility model discloses compact structure, simple can exchange with existing fixed frog, eliminates the harmful space of urban rail transit main track subway frog for the switch, eliminates the gauge wire discontinuity, improves the travelling comfort of frog, noise reduction, and environment friendly.
Drawings
Fig. 1 is a schematic structural view of a prior art fixed frog, in which a portion a is a harmful space;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention showing the engagement between the expansion joint and the short rail;
FIG. 4 is a schematic structural view of the standard joint of the present invention engaged with a steel rail;
fig. 5 is a schematic structural view of the middle guide rail brace and the short rail of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited thereto.
The utility model relates to a concertina type movable core frog for switch, including the straight track 1 and the side direction track 2 that cooperate to set up, cooperate the straight track 1 and the side direction track 2 are equipped with first wing rail 3 and second wing rail 4, cooperate first wing rail 3 and second wing rail 4 to be equipped with the compensation swing unit; the compensation swinging unit comprises a rail changing section 5, an elastic bendable section 6 and a fixed section 7 in sequence on one side facing the first wing rail 3, a telescopic section 8 is arranged at the rear part of one side of the compensation swinging unit facing the second wing rail 4, and the telescopic section 8 is matched with the fixed section 7; the compensated wobble unit is connected to a controller 9.
The utility model discloses in to the straight track 1 that sets up of cooperation and side direction track 2 and rather than first wing rail 3 of difference complex and second wing rail 4 are the benchmark frog, through set up compensation swing unit between first wing rail 3 and second wing rail 4, reduce the influence that harmful space traveles to the ground rail way.
The utility model discloses in, compensation swing unit includes track change section 5, flexible section 6 and canned paragraph 7 towards one side of first wing rail 3 in order, track change section 5 is the vehicle in driving, the main node of carrying out the track change like the subway, compensation swing unit swing in this section, make rail vehicle lane change based on the track change that is used for supporting the wheel, flexible section 6 is the transition state that exists that the swing of cooperation compensation swing unit exists, rail vehicle is in the transition stage in this section, can get into the track change track as soon as possible or tend to steadily; the fixed section 7 can ensure that one side of the compensation oscillating unit is in a stable state.
The utility model discloses in, compensation swing unit is equipped with flexible section 8 towards one side rear portion of second wing rail 4, and flexible section 8 can effectively reduce the swing part and pull the external force that needs when eliminating harmful space, guarantees to pull the stability of back compensation swing unit, and then guarantees the stability of driving a vehicle.
In the present invention, the controller 9 can be electrically and/or mechanically controlled, and it needs to achieve the purpose of swinging the compensation swinging unit, so there is a connection relationship with the compensation swinging unit; generally, the controller 9 is an electric switching mechanism, which is a set of electric control system, and controls the change of the turnout by controlling the displacement of the electric switching mechanism and the attachment of the traction compensation swing unit to the first wing rail 3 or the second wing rail 4; this is a matter that is easily understood by those skilled in the art, and those skilled in the art can set itself according to actual needs.
The utility model discloses in, the wing rail can adopt special section wing rail 60TY1 to make, for the installation of electricity affairs shifter provides the space, and special section wing rail is existing ripe rail among TB/T3109.
The utility model discloses compact structure, simple can exchange with existing fixed frog, eliminates the harmful space of urban rail transit main track subway frog for the switch, eliminates the gauge wire discontinuity, improves the travelling comfort of frog, noise reduction, and environment friendly.
The compensation swing unit includes long heart rail 10 and short heart rail 11 that the head is connected, first wing rail 3 and second wing rail 4 are located to the head cooperation of long heart rail 10 and short heart rail 11, long heart rail 10 sets up towards first wing rail 3, short heart rail 11 sets up towards second wing rail 4.
In the utility model, the compensation swing unit is mainly used for compensating the distance between the first wing rail 3 and the second wing rail 4, generally speaking, the heads of the long center rail 10 and the short center rail 11 are connected and arranged at the minimum distance between the first wing rail 3 and the second wing rail 4, and the long center rail 10 and the short center rail 11 extend correspondingly to the first wing rail 3 and the second wing rail 4 in the same width; the elongate rail 10 includes a variable rail section 5, a resiliently flexible section 6 and a fixed section 7.
In the utility model, the compensation swing unit can swing and generate the phenomenon of 'expansion' in the swing process; as shown in fig. 2, when the vehicle passes through the straight track 1, the heads of the long head rail 10 and the short head rail 11 swing to abut against the second wing rail 4, and when the vehicle needs to pass through the side track 2, the heads of the long head rail 10 and the short head rail 11 swing to abut against the first wing rail 3; in both cases, the harmful space can be filled up, and the interrupted track gauge line is continuous, so that the purposes of reducing the impact of the vehicle on the rail piece and reducing the noise are achieved.
The utility model discloses in, the direction that the compensation swing unit was based on the vehicle carries out position control in the angle type space between first wing rail 3 and second wing rail 4, when eliminating the harmful space of existing fixed frog, eliminates the discontinuous drawback of gauge line, and the vehicle is to the impact greatly reduced at "harmful space" position when passing through, and owing to reduced the impact between wheel and the rail spare, the noise also reduces thereupon.
The telescopic section 8 at the rear part of the short center rail 11 comprises a telescopic joint 12 matched with the short center rail 11, a steel rail 13 behind the short center rail 11 is fixedly matched with a standard joint 14, and a first gap 15 is arranged between the short center rail 11 and the steel rail 13 behind the short center rail 11.
The clamping plate facing away from the long rail 10 is a damping clamping plate 20.
The utility model discloses in, compensation swing unit is at the wobbling in-process, in order to guarantee that it accomplishes the swing task, need set up flexible section 8 at the rear portion of quarter butt rail 11, makes quarter butt rail 11 wherein can stretch out and draw back a small margin through flexible section 8, reduces compensation swing unit wobbling when not influencing normal driving and pulls the power.
In the utility model, the telescopic section 8 comprises joints respectively matched with the tail end of the short core rail 11 and the steel rail 13 at the rear end of the short core rail 11, wherein the joint connected with the steel rail 13 at the rear end of the short core rail 11 is a common standard joint 14 which is mainly formed by tightening the steel rail 13 through a clamping plate 16 and fixing the steel rail by bolts; the expansion joint 12 comprises a damping clamping plate 20 and a common clamping plate 16 which clamp the short rail 11, a clamping plate support 17 is respectively arranged on the outer sides of the damping clamping plate 20 and the common clamping plate 16 and is connected with the corresponding damping clamping plate 20 and the common clamping plate 16 through connecting bolts, but the damping clamping plate 20 and the common clamping plate 16 are not in direct contact with the short rail 11, a second gap 18 is arranged in the damping clamping plate, and a first gap 15 is arranged between the short rail 11 and a rail 13 behind the short rail 11, so that the short rail 11 can expand and contract in the second gap 18 of the expansion joint 12 and the first gap 15 between the short rail 11 and the rear rail 13.
The utility model discloses in, although first clearance 15 and second clearance 18 exist, first clearance 15 and second clearance 18 are all minimum in general, and the meaning of its existence is only for the adjustment of short heart rail 11, does not influence normal rail vehicle current.
The utility model discloses in, the chooseing for use of damping splint 20 is the conventional technique in this field, and the technical staff in this field can set up by oneself according to the demand.
In the utility model, the guide rail supports 19 are arranged on the two sides of the rear part of the short center rail 11 in front of the telescopic section 8, so as to limit the swinging piece in the working state and prevent jumping, and also guide the short center rail 11 to correctly enter the telescopic joint device; in general, the guide rail brace 19 may be a right-angle piece, wherein one outer right-angle surface is fixed on the side of the head rail 11, and the other outer right-angle surface is arranged on the base of the head rail 11, and obviously, the top of the guide rail brace 19 is lower than the top of the head rail 11.
The compensating oscillating unit comprises a plurality of spacing blocks 21 arranged at the front part between the long point rail 10 and the short point rail 11.
The utility model discloses in, further be equipped with a plurality of spacer blocks 21 in order in the space front portion between long heart rail 10 and short heart rail 11 for guarantee long heart rail 10 and short heart rail 11's bulk strength, prevent fracture and amount of deflection deformation.
The elastic bendable section 6 comprises a plurality of elastic limiting pieces which are matched with the long center rail 10 and the short center rail 11.
The elastic limiting part comprises an anti-bouncing top iron supporting vertical plate 22 arranged between the long center rail 10 and the short center rail 11, and a plurality of anti-bouncing top irons 23 are arranged between the anti-bouncing top iron supporting vertical plate 22 and the short center rail 11 as well as between the long center rail 10.
The elastic limiting part further comprises a top iron supporting vertical plate 24 arranged on the outer sides of the long center rail 10 and the short center rail 11, and a plurality of top irons 25 are respectively arranged between the top iron supporting vertical plate 24 and the short center rail 11 as well as between the long center rail 10.
The utility model discloses in, set up between long heart rail 10 and short heart rail 11 and outside within range and prevent jumping top iron support riser 22 and top iron support riser 24 to carry on spacingly with top iron 25 in case jumping, be used for guaranteeing the even running of vehicle transform station track in-process respectively, prevent that the vehicle from derailing.
The utility model has the advantages that the first wing rail 3 and the second wing rail 4 are respectively arranged between the vertical track 1 and the lateral track 2 which are arranged in a matching way, and the compensation swing unit is arranged between the first wing rail 3 and the second wing rail 4, thereby reducing the influence of the harmful space on the track running; simultaneously, the compensation swing unit corresponding to the first wing rail 3 is respectively provided with a rail changing section 5, an elastic bendable section 6 and a fixed section 7, and the rear part of the compensation swing unit corresponding to the second wing rail 4 is provided with a telescopic section 8.
The utility model discloses compact structure, simple can exchange with existing fixed frog, eliminates the harmful space of urban rail transit main track subway frog for the switch, eliminates the gauge wire discontinuity, improves the travelling comfort of frog, noise reduction, and environment friendly.
Claims (10)
1. The utility model provides a concertina type movable core frog for switch, is including the straight track way and the side direction track way that the cooperation set up, its characterized in that: a first wing rail and a second wing rail are arranged in cooperation with the straight track and the lateral track, and a compensation swing unit is arranged in cooperation with the first wing rail and the second wing rail; the compensation swinging unit comprises a rail changing section, an elastic bendable section and a fixed section in sequence on one side facing the first wing rail, and a telescopic section is arranged on the rear part of one side of the compensation swinging unit facing the second wing rail and matched with the fixed section; the compensated wobble unit is connected to a controller.
2. A telescopic movable-core frog assembly as claimed in claim 1, wherein: the compensation swing unit comprises a long center rail and a short center rail which are connected through heads, the heads of the long center rail and the short center rail are matched and arranged between the first wing rail and the second wing rail, the long center rail is arranged towards the first wing rail, and the short center rail is arranged towards the second wing rail.
3. A telescopic moving-core frog assembly as claimed in claim 2, wherein: the telescopic section at the rear part of the stub rail comprises a telescopic joint matched with the stub rail, a standard joint is fixedly matched with the steel rail behind the stub rail, and a first gap is formed between the stub rail and the steel rail behind the stub rail.
4. A telescopic moving-core frog assembly as claimed in claim 3, wherein: the expansion joint comprises 2 clamping plates arranged on two sides of the tail end of the short center rail, clamping plate supports are arranged on the outer sides of the 2 clamping plates respectively, any one of the clamping plate supports is connected with the corresponding clamping plate, and a second gap is formed between the short center rail and the clamping plates on the two sides.
5. A telescopic moving-core frog assembly as claimed in claim 4, wherein: the clamping plate back to the long center rail is a vibration reduction clamping plate.
6. A telescopic moving-core frog assembly as claimed in claim 2, wherein: guide rail supports are arranged on two sides of the rear portion of the short core rail in front of the telescopic section, and the top of any guide rail support is lower than that of the short core rail.
7. A telescopic moving-core frog assembly as claimed in claim 2, wherein: the compensation swing unit comprises a plurality of spacing blocks arranged at the front part between the long center rail and the short center rail.
8. A telescopic moving-core frog assembly as claimed in claim 2, wherein: the elastic bendable section comprises a plurality of elastic limiting parts matched with the long center rail and the short center rail.
9. A telescopic moving-core frog assembly as claimed in claim 8, wherein: the elastic limiting part comprises an anti-bouncing top iron supporting vertical plate arranged between the long center rail and the short center rail, and a plurality of anti-bouncing top irons are arranged between the anti-bouncing top iron supporting vertical plate and the long center rail as well as the short center rail.
10. A telescopic moving-core frog assembly as claimed in claim 8, wherein: the elastic limiting part further comprises a top iron supporting vertical plate arranged on the outer side of the long center rail and the outer side of the short center rail, and a plurality of top irons are respectively arranged between the top iron supporting vertical plate and the long center rail as well as between the long center rail and the short center rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020366628.4U CN212000397U (en) | 2020-03-22 | 2020-03-22 | Telescopic frog for movable-core turnout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020366628.4U CN212000397U (en) | 2020-03-22 | 2020-03-22 | Telescopic frog for movable-core turnout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212000397U true CN212000397U (en) | 2020-11-24 |
Family
ID=73430998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020366628.4U Active CN212000397U (en) | 2020-03-22 | 2020-03-22 | Telescopic frog for movable-core turnout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212000397U (en) |
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2020
- 2020-03-22 CN CN202020366628.4U patent/CN212000397U/en active Active
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