CN116180508A - Switch tongue switching device - Google Patents
Switch tongue switching device Download PDFInfo
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- CN116180508A CN116180508A CN202310366752.9A CN202310366752A CN116180508A CN 116180508 A CN116180508 A CN 116180508A CN 202310366752 A CN202310366752 A CN 202310366752A CN 116180508 A CN116180508 A CN 116180508A
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- rail
- switch
- straight
- connecting rod
- curved
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- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000009471 action Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 210000002105 tongue Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B7/00—Switches; Crossings
- E01B7/02—Tongues; Associated constructions
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
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Abstract
The invention discloses a switch tongue switching device, comprising: the device comprises a base plate supporting mechanism for mounting and rotating supporting, a connecting rod actuating mechanism arranged on the base plate supporting mechanism, and a switching machine for driving the connecting rod actuating mechanism to actuate. The backing plate supporting mechanism is arranged between the straight stock rail and the curved stock rail, and the switching machine is arranged on the outer sides of the straight stock rail and the curved stock rail. The power input end of the connecting rod actuating mechanism is connected with the switching machine, the power output end of the connecting rod actuating mechanism is respectively connected with the curved switch rail and the straight switch rail, and the connecting rod actuating mechanism is used for forming a lever labor-saving structure so that the switching machine drives the curved switch rail and the straight switch rail indirectly and in a labor-saving manner through the connecting rod actuating mechanism. The switch tongue rail conversion device can be applied to occasions with larger conversion forces such as small-size switch tongue rails, N traction points of multi-point traction switch rails and the like, and can prevent the close contact tongue rail from being separated from the stock rail when the connecting rod action mechanism is impacted by external force, thereby ensuring driving safety.
Description
Technical Field
The invention relates to the technical field of manufacturing of rail transit turnouts, in particular to a turnout switch rail switching device.
Background
The turnout is an important key device of a railway line, the switching device is of great importance, and the main function of the switching device is to correctly realize the switching of a turnout switch rail and finish different turning of a train. The switch equipment mainly comprises two major parts of a switch machine, a connecting rod locking device and the like, wherein the connecting rod locking device mainly realizes the close and separation of switch rails, and is divided into an inner locking device and an outer locking device. At present, the internal locking link mechanism of the domestic turnout usually adopts a single link or a double link structure, the link structure is that the link is directly connected with the switch machine, the locking mode has simple structure and lower cost, is convenient for daily maintenance and belongs to fixed force locking. But has the following problems: the straight and curved switch rails of the turnout form a frame structure, the whole rigidity of the switch rail part is higher, and the conversion resilience force and the resistance force caused by the frame structure are larger, so the defect is particularly prominent in small-number turnouts, and when the rod is impacted by external force, if bending deformation occurs, the close switch rail is separated from the stock rail, thereby seriously threatening the driving safety; when the train passes through the turnout, the impact force of the train directly acts on the inside of the switch machine through the rod piece, so that the switch machine parts are damaged, the extruding and cutting pin is broken, the shifting contactor is tripped, and the like.
The prior art also has the following disadvantages:
the condition that the switching force is large exists at the N-th traction point in the small-number turnout and the multipoint traction turnout, and the rated power of the switch machine is easily exceeded;
at present, the conventional inner locking link mechanism is directly connected with the switch machine, so that a large included angle is formed between the connecting rod and the connecting surface of the switch rail in the switching process, so that only one component force acts on the switch rail in the switching process of the switch machine, and therefore, larger force is required for completing the switching of the switch rail, and the switching efficiency of the switch machine is poor.
Disclosure of Invention
The invention provides a switch tongue switching device, which solves the technical problems that the prior device is easy to deform by external force, threatens driving safety, easily damages the internal structure of a switching machine due to impact force generated by passing a train, and is not suitable for working occasions with larger switching force.
The technical scheme adopted by the invention is as follows:
a switch point switch device for actuating a curved switch rail and a straight switch rail between a straight stock rail and a curved stock rail, the switch point switch device comprising: the device comprises a base plate supporting mechanism for mounting and rotating supporting, a connecting rod actuating mechanism arranged on the base plate supporting mechanism and a switching machine for driving the connecting rod actuating mechanism to act; the backing plate supporting mechanism is arranged between the straight stock rail and the curved stock rail, and the switching machine is arranged at the outer sides of the straight stock rail and the curved stock rail; the power input end of the connecting rod actuating mechanism is connected with the switching machine, the power output end of the connecting rod actuating mechanism is respectively connected with the curved switch rail and the straight switch rail, and the connecting rod actuating mechanism is used for forming a lever labor-saving structure so that the switching machine drives the curved switch rail and the straight switch rail indirectly and in a labor-saving manner through the connecting rod actuating mechanism.
Further, the backing plate supporting mechanism comprises a rotating shaft which is vertically supported and rotatably arranged; the connecting rod action mechanism comprises a mounting cylinder fixedly arranged on the outer circle of the rotating shaft, and a long arm rod, a first short arm rod and a second short arm rod which are fixedly connected on the outer circle of the mounting cylinder, wherein the length of the long arm rod is greater than that of the first short arm rod and the second short arm rod; the cantilever ends of the long arm rods are connected with a switching machine; the cantilever end of the first short arm is indirectly connected with the curved switch rail, and the cantilever end of the second short arm is indirectly connected with the straight switch rail.
Further, the long arm lever and the second short arm lever are positioned on the same straight line; the first short arm rod and the long arm rod are arranged at an included angle.
Further, the first short arm rod and the second short arm rod are equal in length; the ratio of the first short arm rod to the long arm rod to the second short arm rod is 0.4-0.6.
Further, the connecting rod action mechanism also comprises a pull rod for connecting the long arm rod and the switching machine; both ends of the pull rod are respectively hinged with the long arm rod and the switching machine.
Further, the linkage action mechanism further comprises a curved point rail linkage for connecting the first short arm and the curved point rail, and a straight point rail linkage for connecting the second short arm and the straight point rail; the first end of the curved switch rail connecting rod is hinged with the first short arm rod, and the second end opposite to the first end is connected with the driving end of the curved switch rail; the first end of the straight point rail connecting rod is hinged with the second short arm rod, and the opposite second end of the straight point rail connecting rod is connected with the driving end of the straight point rail.
Further, the curved point rail and the straight point rail are equal in length.
Further, the curved point rail connecting rod is vertically fixed with the driving end of the curved point rail, or the curved point rail connecting rod is hinged with the driving end of the curved point rail; the straight point rail connecting rod is vertically fixed with the driving end of the straight point rail, or the straight point rail connecting rod is hinged with the driving end of the straight point rail.
Further, the backing plate supporting mechanism also comprises a bottom plate fixedly arranged, a bearing mounting seat fixedly supported on the bottom plate and a supporting bearing arranged in the bearing mounting seat; the lower end of the rotating shaft is connected with a supporting bearing, and the opposite upper end of the rotating shaft vertically upwards penetrates out of the bearing mounting seat.
Further, the bearing mounting seat comprises two supporting blocks which are oppositely arranged on the bottom plate at intervals, a bearing bottom plate which is fixed on the top of the supporting blocks, a bearing cover plate which is used for covering and supporting the bearing, and a fastener which is used for fixing the bearing cover plate and the bearing bottom plate; the bearing support is arranged on the bearing bottom plate; the bearing cover plate is covered outside the supporting bearing and is fixed with the bearing bottom plate through a fastener; the rotating shaft is arranged in the supporting bearing and vertically penetrates through the bearing cover plate upwards.
The invention has the following beneficial effects:
in the switch tongue switch switching device, the connecting rod action mechanism is arranged, so that a lever labor-saving structure is formed, the device can be applied to occasions with larger switching force such as small-sized switch tongue and N-th traction points of a multi-point traction switch, and the like, and the switching machine is protected from exceeding the rated power when working; on the other hand, compared with the existing single connecting rod or double connecting rod structure which directly connects the switch rail mechanism and the switching machine, the switching machine is indirectly connected with the curved switch rail and the straight switch rail through the arrangement of the connecting rod action mechanism, so that when the connecting rod action mechanism is impacted by external force, if bending deformation occurs, the close switch rail and the basic rail are not separated, the driving safety is ensured, and when a train passes through a turnout, the generated impact force is not directly acted in the switching machine after passing through the connecting rod action mechanism, and the switching machine parts are not damaged, the extruding and cutting pin is broken, the shifting contactor is jumped off, and the like; the device has the advantages of simple structure, convenient realization, firm installation structure, simple operation, no potential safety hazard in the operation process and convenient subsequent maintenance.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic top view of a switch point switch device according to a preferred embodiment of the present invention;
fig. 2 is a schematic view showing the spatial configuration of a switch point switch device according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of the spatial configuration of the linkage mechanism of FIG. 2;
fig. 4 is a schematic view of a space structure of the pad supporting mechanism in fig. 2.
Description of the drawings
50. A backing plate supporting mechanism; 51. a rotating shaft; 52. a bottom plate; 53. a bearing mounting seat; 531. a support block; 532. a bearing bottom plate; 533. a bearing cover plate; 534. a fastener; 60. a link actuating mechanism; 61. a mounting cylinder; 62. a long arm lever; 63. a first short arm; 64. a second short arm; 65. a pull rod; 66. a curved tongue link; 67. straight point rail links.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a switch point switch device for driving the action of a curved point rail and a straight point rail located between a straight stock rail and a curved stock rail, the switch point switch device comprising: the device comprises a base plate supporting mechanism 50 for mounting and rotating supporting, a connecting rod actuating mechanism 60 arranged on the base plate supporting mechanism 50, and a switching machine for driving the connecting rod actuating mechanism 60 to actuate. The pad support mechanism 50 is installed between the straight stock rail and the curved stock rail, and the switch machine is disposed outside the straight stock rail and the curved stock rail. The power input end of the connecting rod actuating mechanism 60 is connected with the switching machine, the power output end of the switching machine is respectively connected with the curved switch rail and the straight switch rail, and the connecting rod actuating mechanism 60 is used for forming a lever labor-saving structure so that the switching machine drives the curved switch rail and the straight switch rail indirectly and in a labor-saving manner through the connecting rod actuating mechanism 60.
When the switch tongue switching device works, the switching machine is started, so that the connecting rod actuating mechanism 60 connected with the switching machine is driven to act, and the connecting rod actuating mechanism 60 drives the curved tongue and the straight tongue to act through the power output end of the connecting rod actuating mechanism, so that the curved tongue and the straight tongue are closely attached to and separated from the straight stock rail and the curved stock rail.
In the switch tongue switching device, the connecting rod action mechanism 60 is arranged, so that a lever labor-saving structure is formed, the device can be applied to occasions with larger switching force such as small-sized switch tongues, N-th traction points of a multi-point traction switch and the like, and the switching machine is protected from exceeding the rated power when working; on the other hand, compared with the existing single-link or double-link structure for directly connecting the switch rail mechanism and the switching machine, the switching machine is indirectly connected with the curved switch rail and the straight switch rail through the arrangement of the link action mechanism 60, so that when the link action mechanism 60 is impacted by external force, if bending deformation occurs, the close contact switch rail and the stock rail are not separated, driving safety is ensured, and when a train passes through a turnout, the generated impact force does not directly act on the inside of the switching machine after passing through the link action mechanism 60, and the switching machine parts are prevented from being damaged, the extruding and cutting pin is broken, the shifting contactor is prevented from being tripped, and the like; the device has the advantages of simple structure, convenient realization, firm installation structure, simple operation, no potential safety hazard in the operation process and convenient subsequent maintenance.
Optionally, in the device of the present invention, the driving mechanism is a switching machine.
Alternatively, as shown in fig. 2, the pad support mechanism 50 includes a rotation shaft 51 vertically supported and rotatably provided. The link actuating mechanism 60 includes a mounting cylinder 61 fixedly mounted on the outer circumference of the rotating shaft 51, and a long arm lever 62, a first short arm lever 63 and a second short arm lever 64 fixedly connected to the outer circumference of the mounting cylinder 61, and the long arm lever 62 has a length greater than that of the first short arm lever 63 and the second short arm lever 64. The cantilevered ends of the long arms 62 are connected to a switch. The cantilevered end of the first short arm 63 is indirectly connected to the curved switch rail and the cantilevered end of the second short arm 64 is indirectly connected to the straight switch rail. During operation, the switching machine is started, and then the long arm rod 62 is indirectly driven to rotate by taking the rotating shaft 51 as a deflection shaft, and under the action of the mounting cylinder 61, the first short arm rod 63 and the second short arm rod 64 are synchronously rotated by taking the rotating shaft 51 as deflection shafts, and when the first short arm rod 63 rotates, the curved switch rail is indirectly driven to be closely attached to or separated from the straight stock rail, and similarly, when the second short arm rod 64 rotates, the straight switch rail is also indirectly driven to be closely attached to or separated from the curved stock rail, so that the switching conversion of the switch rail is realized.
In the connecting rod action mechanism 60, the mounting cylinder 61 is matched and connected with the rotating shaft 51 to form a fulcrum of a lever labor-saving structure, the long arm rod 62 forms a long arm of the lever labor-saving structure, the first short arm rod 63 and the second short arm rod 64 form two short arms of the lever labor-saving structure, and as the long arm is connected with the switching machine and the short arms are respectively connected with the curved switch rail and the straight switch rail, the curved switch rail and the straight switch rail can be driven by smaller force, so that the device can be applied to occasions with larger switching force such as a small-sized switch rail, an N-th traction point of a multi-point traction switch, and the like, and the switching machine is protected from exceeding the rated power when working; on the other hand, the power input end of the lever labor-saving structure is connected with the switching machine, and the power output end is respectively and indirectly connected with the curved switch rail and the straight switch rail, so that when the lever labor-saving structure is impacted by external force, if bending deformation occurs, the closely-attached switch rail is not separated from the base rail, thereby ensuring driving safety, and when a train passes through a turnout, the generated impact force is not directly acted on the inside of the switching machine after passing through the connecting rod actuating mechanism 60, and the switching machine parts are not damaged, the extruding and cutting pin is broken, the shifting contactor is tripped, and the like; the device has the advantages of simple structure, convenient realization, firm installation structure, simple operation, no potential safety hazard in the operation process and convenient subsequent maintenance.
In this alternative, as shown in FIG. 1, the long arm 62 and the second short arm 64 are on the same straight line; in the specific embodiment of this alternative, the long arm 62 and the second short arm 64 are a long rod, and the long rod is provided with a mounting hole penetrating through the rod body, that is, an inner hole of the mounting barrel 61 is formed, so that the preparation of the lever labor-saving structure is simplified, and meanwhile, the overall strength is high, and the stability is good during working. The first short arm 63 and the long arm 62 are arranged at an included angle; in actual design, the magnitude of the angle between the first short arm 63 and the long arm 62 is related to the driving force required for the curved and straight points to be driven.
In this alternative, as shown in fig. 1, the lengths of the first short arm 63 and the second short arm 64 are equal, so that the design, processing and preparation of the whole scheme of the lever labor-saving structure are facilitated. The ratio of the first short arm rod 63 to the second short arm rod 64 to the long arm rod 62 is 0.4-0.6, and in the range of the ratio, on one hand, the lever labor-saving structure has high integral strength, good stability in working and difficult deformation and breakage under stress; on the other hand, the device can reach the best labor-saving state when working.
In this alternative, as shown in fig. 1 and 3, the link mechanism 60 further includes a tie rod 65 for connecting the long arm 62 to the swing machine. Both ends of the pull rod 65 are respectively hinged with the long arm rod 62 and the switching machine. In operation, the switch drives the pull rod 65, and the pull rod 65 pulls the long arm 62 to rotate by taking the rotating shaft 51 as a deflection shaft.
In this alternative, as shown in fig. 1 and 3, the linkage mechanism 60 further includes a curved point link 66 for connecting the first short arm 63 and the curved point, and a straight point link 67 for connecting the second short arm 64 and the straight point. The first end of the curved point link 66 is hinged to the first short arm 63 and the opposite second end is connected to the driving end of the curved point. The first end of the straight point link 67 is articulated to the second short arm 64 and the opposite second end is connected to the drive end of the straight point. When the switch machine works, the pull rod 65 is driven by the switch machine, the pull rod 65 pulls the long arm rod 62 to rotate by taking the rotating shaft 51 as a deflection shaft, meanwhile, the first short arm rod 63 and the second short arm rod 64 synchronously rotate by taking the rotating shaft 51 as deflection shafts, the first short arm rod 63 pulls the curved point rail connecting rod 66 again, the curved point rail connecting rod 66 drives the curved point rail again, the second short arm rod 64 pulls the straight point rail connecting rod 67 again, and the straight point rail connecting rod 67 drives the straight point rail again.
In this alternative, as shown in FIG. 1, the curved point rail link 66 and the straight point rail link 67 are of equal length, facilitating the design of the overall structure of the link actuation mechanism 60.
In this alternative, as shown in fig. 1, the curved point rail 66 is fixed vertically to the driving end of the curved point rail, or the curved point rail 66 is hinged to the driving end of the curved point rail; when the Qu Jiangui connecting rod 66 is vertically fixed with the driving end of the curved point rail, the included angle which is increased when the curved point rail 66 is connected with the curved point rail by an angle larger than 90 degrees can be eliminated, so that the curved point rail 66 is always vertical to the surface connected with the curved point rail in the conversion process, further, the acting force of the curved point rail 66 is ensured not to generate component force, the force required by point rail conversion is further reduced, and the conversion efficiency of the conversion machine is improved. The straight point rail connecting rod 67 is vertically fixed with the driving end of the straight point rail, or the straight point rail connecting rod 67 is hinged with the driving end of the straight point rail; similarly, when the straight point link 67 is perpendicularly fixed to the driving end of the straight point, the same effect as the Qu Jiangui link 66 is perpendicularly fixed to the driving end of the curved point is achieved, and will not be described again.
Alternatively, as shown in fig. 2 and 4, the pad support mechanism 50 further includes a base plate 52 fixedly provided, a bearing mount 53 fixedly supported on the base plate 52, and a support bearing mounted in the bearing mount 53. The lower end of the rotating shaft 51 is connected to a support bearing, and the opposite upper end thereof vertically passes upward out of the bearing mount 53. In this alternative, the pad support mechanism 50 is simply configured and allows the link mechanism 60 to rotate more easily.
In this alternative, as shown in fig. 4, the bearing mount 53 includes two supporting blocks 531 supported on the bottom plate 52 at opposite intervals, a bearing bottom plate 532 fixed to the top of the supporting blocks 531, a bearing cover plate 533 for covering the supporting bearings, and fasteners 534 for fixing the bearing cover plate 533 and the bearing bottom plate 532. The bearing support is mounted on a bearing mount 532. The bearing cover 533 is disposed over the support bearing and is secured to the bearing mount 532 by fasteners 534. The rotation shaft 51 is installed in the support bearing, and vertically passes through the bearing cover 533 upward. In this alternative, the bearing bottom plate 532 and the bearing cover plate 533 mainly serve to fix the support bearing, and seal the support bearing, so as to prevent impurities from entering the bearing; the rotating shaft 51 also has a step for supporting the link actuation mechanism 60.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A switch point switch device for actuating a curved point rail and a straight point rail between a straight stock rail and a curved stock rail, the switch point switch device comprising:
a backing plate supporting mechanism (50) which plays a role in installation and rotation support, a connecting rod actuating mechanism (60) which is arranged on the backing plate supporting mechanism (50), and a switching machine which is used for driving the connecting rod actuating mechanism (60) to actuate;
the backing plate supporting mechanism (50) is arranged between the straight stock rail and the curved stock rail, and the switching machine is arranged at the outer sides of the straight stock rail and the curved stock rail;
the power input end of the connecting rod actuating mechanism (60) is connected with the switching machine, the power output end of the switching machine is respectively connected with the curved switch rail and the straight switch rail, and the connecting rod actuating mechanism (60) is used for forming a lever labor-saving structure so that the switching machine drives the curved switch rail and the straight switch rail indirectly and in a labor-saving manner through the connecting rod actuating mechanism (60).
2. The switch point switch device of claim 1, wherein,
the backing plate supporting mechanism (50) comprises a rotating shaft (51) which is vertically supported and rotatably arranged;
the connecting rod action mechanism (60) comprises a mounting cylinder (61) fixedly arranged on the outer circle of the rotating shaft (51), and a long arm rod (62), a first short arm rod (63) and a second short arm rod (64) fixedly connected on the outer circle of the mounting cylinder (61), wherein the length of the long arm rod (62) is greater than that of the first short arm rod (63) and the second short arm rod (64);
the cantilever ends of the long arm rods (62) are connected with a switching machine;
the cantilevered end of the first short arm (63) is indirectly connected to the curved switch rail and the cantilevered end of the second short arm (64) is indirectly connected to the straight switch rail.
3. The switch point switch apparatus as in claim 2 wherein,
the long arm (62) and the second short arm (64) are positioned on the same straight line;
the first short arm (63) and the long arm (62) are arranged at an included angle.
4. The switch point switch apparatus as in claim 2 wherein,
the first short arm lever (63) and the second short arm lever (64) are equal in length;
the ratio of the first short arm (63) and the second short arm (64) to the long arm (62) is 0.4-0.6.
5. The switch point switch apparatus as in claim 2 wherein,
the connecting rod action mechanism (60) also comprises a pull rod (65) for connecting the long arm rod (62) and the switching machine;
both ends of the pull rod (65) are respectively hinged with the long arm rod (62) and the switching machine.
6. The switch point switch apparatus as in claim 5 wherein,
the linkage action mechanism (60) further comprises a curved point rail linkage (66) for connecting the first short arm (63) and the curved point rail, and a straight point rail linkage (67) for connecting the second short arm (64) and the straight point rail;
a first end of the curved point rail connecting rod (66) is hinged with the first short arm rod (63), and the opposite second end is connected with the driving end of the curved point rail;
a first end of a straight point link (67) is articulated to the second short arm (64) and an opposite second end is connected to the drive end of the straight point.
7. The switch point switch device of claim 1, wherein,
the curved point rail connecting rod (66) and the straight point rail connecting rod (67) are equal in length.
8. The switch point switch apparatus as in claim 7 wherein,
the curved point rail connecting rod (66) is vertically fixed with the driving end of the curved point rail, or the curved point rail connecting rod (66) is hinged with the driving end of the curved point rail;
the straight point rail connecting rod (67) is vertically fixed with the driving end of the straight point rail, or the straight point rail connecting rod (67) is hinged with the driving end of the straight point rail.
9. The switch point switch apparatus as in claim 2 wherein,
the backing plate supporting mechanism (50) further comprises a bottom plate (52) fixedly arranged, a bearing mounting seat (53) fixedly supported on the bottom plate (52) and a supporting bearing arranged in the bearing mounting seat (53);
the lower end of the rotating shaft (51) is connected with a supporting bearing, and the opposite upper end of the rotating shaft vertically upwards passes through a bearing mounting seat (53).
10. The switch point switch apparatus as in claim 9 wherein,
the bearing mounting seat (53) comprises two supporting blocks (531) which are oppositely arranged on the bottom plate (52) at intervals, a bearing bottom plate (532) which is fixed on the top of the supporting blocks (531), a bearing cover plate (533) which is used for covering and supporting a bearing, and a fastener (534) which is used for fixing the bearing cover plate (533) and the bearing bottom plate (532);
the bearing support is arranged on the bearing bottom plate (532);
the bearing cover plate (533) is covered outside the supporting bearing and is fixed with the bearing bottom plate (532) through a fastener (534);
the rotating shaft (51) is installed in the support bearing, and vertically penetrates through the bearing cover plate (533) upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310366752.9A CN116180508A (en) | 2023-04-07 | 2023-04-07 | Switch tongue switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310366752.9A CN116180508A (en) | 2023-04-07 | 2023-04-07 | Switch tongue switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116180508A true CN116180508A (en) | 2023-05-30 |
Family
ID=86446486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310366752.9A Pending CN116180508A (en) | 2023-04-07 | 2023-04-07 | Switch tongue switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116180508A (en) |
-
2023
- 2023-04-07 CN CN202310366752.9A patent/CN116180508A/en active Pending
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