CN216269282U - Switching mechanism for one-machine multi-point driving turnout movable point rail frog - Google Patents
Switching mechanism for one-machine multi-point driving turnout movable point rail frog Download PDFInfo
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- CN216269282U CN216269282U CN202122638196.5U CN202122638196U CN216269282U CN 216269282 U CN216269282 U CN 216269282U CN 202122638196 U CN202122638196 U CN 202122638196U CN 216269282 U CN216269282 U CN 216269282U
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Abstract
The utility model relates to a switching mechanism for driving a movable point rail frog of a turnout by one machine at multiple points, which at least comprises two traction points, wherein each traction point comprises a supporting plate arranged at one end of the turnout sleeper in the length direction, a square rod support arranged on the supporting plate, a connecting rod assembly arranged on the square rod support and a guide rod connected to one end of the connecting rod assembly; the connecting rod assemblies at the adjacent traction points are connected through a connecting pipe assembly; the corresponding wing rail at least one of the traction points is provided with a joint iron, and the long center rail and the short center rail corresponding to the other traction points are provided with a pulling plate assembly; a square pull rod is arranged on the joint iron; one end of the square pull rod is connected with the power output end of the switch device in a matching way, and the other end of the square pull rod is connected with one end of the guide rod at the corresponding traction point; the pulling plate component is connected with one end of the guide rod at the corresponding traction point. The utility model has simple and reasonable structural design, safe and stable structure, low manufacturing cost and small maintenance amount in field use.
Description
Technical Field
The utility model relates to the technical field of rail manufacturing, in particular to a switching mechanism for a movable point rail frog of a turnout by one machine and multi-point driving.
Background
The movable point rail frog of the turnout eliminates the harmful space at the throat part of the fixed frog, improves the lateral turnout passing speed of the train, and is widely applied to a large-size turnout passenger special line, a passenger-cargo collinear line and a heavy-duty railway line. At present, the traction points of movable point frog in China adopt a multi-machine multi-point traction mode, namely, 1 switch device is arranged at each traction point. No. 12 and No. 18 movable point frog are provided with 2 switch devices, and No. 30 and No. 42 movable point frog are provided with 3 switch devices.
When the movable point frog of the turnout is designed overseas, in order to meet the design requirements of users, reduce the manufacturing cost of the turnout and reduce the maintenance and maintenance workload in the use process of the turnout, a switching mechanism for driving the movable point frog of the turnout by one machine at multiple points needs to be developed, and the mechanism can complete the traction switching of the point frog by only 1 switching device aiming at the movable point frog with multiple traction points.
In the prior art, the utility model discloses a "a switching mechanism of a multiple spot traction switch" of a machine of publication number "CN 212796902U is close to this application, but this patent for switch switching device part switching mechanism, can not be used for movable point rail frog, and does not relate to the connected mode and the insulating properties requirement of switching mechanism and rail member. Current technology has limitations for one-machine multi-point drives of movable point frog.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the switching mechanism of the movable point rail frog of the one-machine multipoint driving turnout, which has the advantages of simple and reasonable structural design, safe and stable structure, low manufacturing cost and small field use, maintenance and maintenance amount.
The technical scheme of the utility model is as follows:
the switching mechanism of the movable point rail frog of the one-machine multi-point driving turnout is at least provided with two traction points, wherein each traction point comprises a supporting plate which is arranged at one end of the switch tie in the length direction in a matching mode, a square rod support which is arranged on the supporting plate in a matching mode, a connecting rod assembly which is arranged on the square rod support in a matching mode and a guide rod which is connected to one end of the connecting rod assembly in a matching mode; the connecting rod assemblies at the adjacent traction points are in matched connection through a connecting pipe assembly; the corresponding wing rail at least one of the traction points is provided with a joint iron in a matching way, and the long center rail and the short center rail corresponding to the other traction points are provided with a pulling plate assembly in a matching way; a square pull rod is installed on the joint iron in a matching manner; one end of the square pull rod is connected with a power output end of a switch device in a matching manner, and the other end of the square pull rod is connected with one end of the guide rod corresponding to the traction point in a matching manner; the pulling plate assembly is connected with one end of the guide rod corresponding to the traction point in a matching mode.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the connecting rod assembly comprises a first connecting rod, a second connecting rod and a third connecting rod; one end of the first connecting rod of each traction point is hinged to the upper part of the square rod support in a matching mode, and the other end of the first connecting rod of each traction point is connected to the other end of the guide rod in a matching mode; the connecting pipe assembly comprises two connecting pipes; one end of each of the two connecting pipes is respectively connected with the second connecting rod and the third connecting rod of one of the traction points in a matching manner, and the other end of each of the two connecting pipes is hinged with the second connecting rod and the third connecting rod of the other adjacent traction point in a matching manner.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: one ends of the two connecting pipes are in threaded fit connection with the second connecting rod and the third connecting rod, and axial limiting is carried out by mounting a connecting pipe nut at one end of the two connecting pipes.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the other end of the guide rod is connected with the other end of the first connecting rod in a threaded fit mode, and the other end of the first guide rod is provided with a guide rod nut for axial limiting.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the other end of the square pull rod is connected with one end of the guide rod corresponding to the traction point in a matching way through a rod joint assembly; the pulling plate assembly is connected with one end of the guide rod corresponding to the traction point in a matched mode through another rod joint assembly.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the pulling plate assembly comprises a joint plate, a pulling plate, a rib plate and a pulling plate bolt connecting pair; the joint plate and the pulling plate are both of right-angle bent plate structures; the horizontal end of the joint plate is provided with a joint plate mounting hole in a matching way, the horizontal end of the joint plate penetrates through the bottom side of the wing rail, the penetrating end of the joint plate is connected with the guide rod at the traction point through the rod joint assembly in a matching way, and the upper part of the vertical end of the joint plate is connected with the short center rail and a short center rail clamping plate arranged on the outer side surface of the short center rail in a contacting way; the horizontal end of the pulling plate is connected with the horizontal end of the joint plate in a matching way, and the upper part of the vertical end of the pulling plate is connected with the long center rail and the long center rail clamping plate arranged on the outer side surface of the long center rail in a contact way; the upper part of one vertical end of the joint plate and the upper part of one vertical end of the pulling plate are fixed together with the short center rail, the short center rail clamping plate, the long center rail and the long center rail clamping plate through the same pulling plate bolt connecting pair; the rib plates are matched and clamped between the lower part of one end, perpendicular to the pulling plate, of the pulling plate and the lower part of one end, perpendicular to the joint plate, of the joint plate.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the rod joint assembly consists of an insulating sleeve, a lubricating shaft, an oil cup, an insulating washer, a shaft sleeve and a split pin; in the rod joint assembly for connecting the square pull rod and the guide rod, the insulating sleeve is arranged at the other end of the square pull rod in a matched and penetrating manner, two ends of the insulating sleeve protrude towards the outer side of the other end of the square pull rod, and the insulating washer is sleeved outside the protruding end in a matched manner; in the rod joint assembly for connecting the joint plate and the guide rod, the insulating sleeve is arranged at one horizontal end of the joint plate in a matched and penetrating manner, two ends of the insulating sleeve protrude towards the outer side of one horizontal end of the joint plate, and the outside of the protruding end is sleeved with another insulating gasket in a matched manner; the lubricating shaft sequentially penetrates through the guide rod and the insulating sleeve in a matched mode, the head of the lubricating shaft extends out of the outer side of the guide rod and is provided with the split pin for axial limiting in a matched mode, and the tail of the lubricating shaft extends out of the outer side of the guide rod and is provided with a limiting baffle for axial limiting in a matched mode; the outer wall of the lubricating shaft is in transitional connection with the guide rod through the shaft sleeve; the oil cup is mounted at the tail part of the lubricating shaft in a matching manner.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the upper part of the rod body of the square pull rod, which is close to the middle section, is convexly provided with a connecting arm; and the upper part of the connecting arm is provided with a U-shaped groove in a matching way and is connected with the long center rail in a matching way through the U-shaped groove.
The switching mechanism of the movable point rail frog of the one-machine multi-point drive turnout is characterized in that: the joint iron is provided with a pair of joint irons which are matched and positioned at two sides of the connecting arm; and the pair of joint irons are respectively installed at two ends of the square pull rod in a matching way, and the upper ends of the pair of joint irons are respectively assembled and connected with the corresponding pair of wing rails through joint iron bolt connecting pairs.
Has the advantages that:
the switching mechanism of the movable point rail frog of the one-machine multi-point driving turnout has simple and reasonable structural design, safe and stable structure, low manufacturing cost and small maintenance amount in field use, can break through the bottleneck in the technical aspect at present, and is convenient to popularize and apply in the overseas railway turnout market.
In the switching mechanism of the movable point frog of the turnout with one machine and multiple points, each traction point is connected with the long point rail and the short point rail, and the long point rail and the short point rail are driven by the switching equipment to realize linear displacement, so that a train can smoothly pass through two directions of a straight strand and a side strand of the movable point frog.
The utility model also specifically comprises the following advantages or characteristics:
(1) the T-shaped connecting rod assembly, the square pull rod, the guide rod and the connecting pipe form a mechanical structure with stable force transmission, and the accurate displacement output of the pull rod pulling point rail at each traction point can be met;
(2) when the switch device works, traction force is transmitted by the switch device through the square pull rod, on one hand, the traction force is transmitted to the long center rail through the U-shaped groove on the square pull rod, so that the conversion of the long center rail is realized, and on the other hand, the traction force is transmitted to other traction points through the guide rod, so that the conversion of each traction point is realized;
(3) the traction force is transmitted to the pulling plate assembly through the guide rods at the second traction point and the third traction point, so that the long center rail and the short center rail at the second traction point and the third traction point are pulled; the pulling plate assembly manufacturing process is not limited to welding, block casting or integral machining processes;
(4) by installing the oil cup, the insulating sleeve, the gasket and the like at each connecting pair, the continuous lubrication is provided for the whole mechanical mechanism, and the conversion failure of each connecting part due to the conduction is prevented;
(5) the switch equipment can be driven by an electric switch machine or a manual switch device.
(6) The utility model can be simultaneously suitable for mechanisms with different traction point numbers, such as one machine with two points and one machine with four points.
Drawings
FIG. 1 is a top view of the switching mechanism of the movable point frog of the one-machine multi-point driving turnout of the present invention;
FIG. 2 is an enlarged view of area C in FIG. 1 of the switching mechanism of the movable point frog of the one-machine multi-point drive switch of the present invention;
FIG. 3 is a sectional view A-A in FIG. 1 of the switching mechanism of the movable point frog of the one-machine multi-point driving turnout of the utility model;
FIG. 4 is a sectional view B-B in FIG. 1 of the switching mechanism of the movable point frog of the one-machine multi-point driving turnout of the utility model;
fig. 5 is an enlarged view of area D in fig. 4 of the switching mechanism of the movable point frog of the one-machine multi-point drive switch of the present invention.
Detailed Description
As shown in fig. 1 to 5, the switching mechanism of the movable point frog of the one-machine multi-point driving turnout of the utility model comprises a supporting plate 1, a square rod support 2, a connecting rod assembly 3, a guide rod 4, a connecting pipe assembly 5, a square pull rod 6, a joint iron 7, a pull plate assembly 8 and a rod joint assembly 9.
The pallet 1 has three pieces and includes a first pallet 11, a second pallet 12 and a third pallet 13; the first supporting plate 11, the second supporting plate 12 and the third supporting plate 13 are all rectangular plate structures, the first supporting plate 11, the second supporting plate 12 and the third supporting plate 13 are spaced from each other by a certain distance, one end in the length direction is respectively matched and installed at one end in the length direction of the corresponding three switch sleepers 100, and the other end in the length direction of the first supporting plate 11, the second supporting plate 12 and the third supporting plate 13 is respectively protruded to the outer sides of the corresponding three switch sleepers 100.
The square bar support 2 has three, namely a first square bar support 21, a second square bar support 22 and a third square bar support 23; the first square bar support 21, the second square bar support 22 and the third square bar support 23 are respectively and correspondingly arranged on the top surface of one end of the first supporting plate 11, the second supporting plate 12 and the third supporting plate 13 which protrudes towards the outside of the switch tie 100.
The connecting rod assemblies 3 are three groups which are arranged at the upper part of the square rod support 2 in a matching way, and each group of connecting rod assemblies 3 is a T-shaped connecting rod assembly formed by connecting three groups of connecting rods and comprises a first connecting rod, a second connecting rod and a third connecting rod; the first, second and third links each include a main link 31 and an auxiliary link 32; one end of a main connecting rod 31 of the first connecting rod is hinged to the upper part of the square rod support 2 in a matching mode, and the other end of the main connecting rod is hinged to one end of an auxiliary connecting rod 32 of the first connecting rod in a matching mode; the other end of the auxiliary link 32 of the first link is connected to one end of the guide rod assembly 4 in a matching manner; the auxiliary link 32 of the first link is further provided with a section of internal threaded hole along the axial direction matching from the center of the end part at the other end.
The guide bar 4 has three, namely a first guide bar 41, a second guide bar 42 and a third guide bar 43; the first guide rod 41 is matched and connected between the auxiliary link 32 of the first link of the link assembly 3 on the first square rod support 21 and the square pull rod 6; the second guide rod 42 is matched and connected between the auxiliary connecting rod 32 of the first connecting rod of the connecting rod assembly 3 positioned on the second square rod support 22 and one group of the pulling plate assemblies 8; the third guide bar 43 is matingly connected between the secondary link 32 of the first link of the link assembly 3 on the third party bar support 23 and the other set of pull plate assemblies 8. Wherein, one end of the guide rod 4 is matched and connected with the internal thread hole at the other end of the auxiliary connecting rod 32 of the first connecting rod of the connecting rod assembly 3 through external threads and is axially limited through a guide rod nut 44 arranged at one end of the guide rod 4; one end of the guide rod 4, which is connected with the square pull rod 6 and the pull plate assembly 8, is provided with a U-shaped fork 45 in a matching way, and the centers of two opposite side walls of the U-shaped fork 45 are provided with through holes in a matching way.
The connecting pipe assembly 5 has two groups, namely a first connecting pipe assembly and a second connecting pipe assembly which are respectively matched and connected between the secondary connecting rods 32 in the second connecting rod and the third connecting rod of the adjacent two groups of connecting rod assemblies 3; the first and second coupling tube assemblies 5 each comprise two coupling tubes 51. Wherein, one end of the two connecting pipes 51 of the first connecting pipe assembly is connected with the other end of the secondary connecting rod 32 in the second connecting rod and the third connecting rod of the connecting rod assembly 3 on the first square rod support 21 through screw thread fit and is axially limited through a connecting pipe nut 52, and the other end of the two connecting pipes 51 of the first connecting pipe assembly is respectively hinged with the other end of the secondary connecting rod 32 in the second connecting rod and the third connecting rod of the connecting rod assembly 3 on the second square rod support 22 in a matching way; one end of the two connecting pipes 51 of the second connecting pipe assembly is connected with the other end of the two connecting pipes 51 of the first connecting pipe assembly in a threaded fit manner and is axially limited by another connecting pipe nut 52, and the other end of the two connecting pipes 51 of the second connecting pipe assembly 5 is hinged with the other end of the secondary connecting rod 32 in the second connecting rod and the third connecting rod of the connecting rod assembly 3 on the third party rod support 23 in a matching manner.
One end of the square pull rod 6 is provided with a pull rod mounting hole in a matching way and is matched with the rod joint assembly 9 through the pull rod mounting hole to be connected with one end of the guide rod 4 in a matching way, and the other end of the square pull rod 6 is provided with a switch device connecting hole 61 in a matching way and is connected with the power output end of a switch device through the switch device connecting hole 61 in a matching way; the upper part of the rod body of the square pull rod 6, which is close to the middle section, is convexly provided with a connecting arm 62, and the upper part of the connecting arm 62 is matched and provided with a U-shaped groove and is matched and connected with the long center rail 500 through the U-shaped groove.
The pair of joint irons 7 are provided with a pair and are respectively installed at two ends of the square pull rod 6 in a matching way, the pair of joint irons 7 are positioned at two sides of the connecting arm 62 of the square pull rod 6 in a matching way, and the upper ends of the pair of joint irons are respectively assembled and connected with the middle parts of the pair of wing rails 200 through joint iron bolt connecting pairs 71.
The manufacturing process of the pulling plate assembly 8 is not limited to welding, integral casting or integral machining process, and the pulling plate assembly is provided with a pair of pulling plate connecting plates 81, a pulling plate 82, a rib plate 83 and a pulling plate bolt connecting pair 84; the joint plate 81 and the pulling plate 82 are both of right-angle bent plate structures; the horizontal end of the joint plate 81 is provided with a joint plate mounting hole in a matching way, the horizontal end of the joint plate 81 penetrates through the bottom side of one side wing rail 200, the penetrating end is connected with the U-shaped fork 45 of the corresponding guide rod 4 in a matching way through a rod joint component 9, and the upper part of the vertical end of the joint plate 81 is connected with the outer side surface of the short heart rail 300 and a short heart rail clamping plate 400 arranged on the outer side surface of the short heart rail 300 in a contact way; the horizontal end of the pulling plate 82 is matched and connected with the horizontal end of the joint plate 81, and the upper part of the vertical end of the pulling plate 82 is in contact connection with the outer side surface of the long core rail 500 and a long core rail clamping plate 600 arranged on the outer side surface of the long core rail 500; meanwhile, the upper part of the end of the joint plate 81 perpendicular to the upper part of the end of the pulling plate 82 perpendicular to the joint plate is fixed to the rail 300, the rail clamp plate 400, the rail 500 and the rail clamp plate 600 by the same pulling plate bolt connection pair 84. The rib plate 83 is fittingly interposed between a lower portion of the end of the pulling plate 82 perpendicular to the lower portion of the end of the joint plate 81 perpendicular to the pulling plate.
As shown in fig. 5, the rod joint assembly 9 is composed of an insulating sleeve 91, a lubricating shaft 92, an oil cup 93, an insulating washer 94, a bushing 95, and a cotter pin 96. Wherein, install insulating sleeve 91 in the rod joint subassembly 9 between this square pull rod 6 and this guide arm 4 and match and wear to locate in the pull rod mounting hole of this square pull rod 6 other end, install in the both ends of insulating sleeve 91 in the pull rod mounting hole all to the outside protrusion in pull rod mounting hole both ends and protruding end outside all match the cover and be equipped with insulating washer 94. The insulating sleeve 91 installed in the rod joint assembly 9 between the joint plate 81 and the guide rod 4 is inserted into the joint plate mounting hole at one horizontal end of the joint plate 81 in a matching manner, the two ends of the insulating sleeve 91 installed in the joint plate mounting hole are protruded towards the outer sides of the two ends of the joint plate mounting hole, and the protruded ends are sleeved with insulating gaskets 94 in a matching manner. The lubricating shaft 92 sequentially penetrates through the through hole of the U-shaped fork 45 of the guide rod 4 and the inner hole of the insulating sleeve 91 in a matching manner, the head of the lubricating shaft extends out of one end of the through hole of the U-shaped fork 45 of the guide rod 4, the extending end of the lubricating shaft radially penetrates through a split pin 96 in a matching manner for axial limiting, and the tail of the lubricating shaft extends out of one end of the through hole of the U-shaped fork 45 of the guide rod 4 and is axially limited through a limiting baffle 97 arranged on the tail of the lubricating shaft; the lubricating shaft 92 is provided with an oil cup mounting hole along the axial direction from the center of the outer side surface of the limiting baffle 97 at the tail part; the outer wall of the lubricating shaft 92 and the inner wall of the through hole of the U-shaped fork 45 of the guide rod 4 are in transition connection through a shaft sleeve 95. The oil cup 93 is fittingly mounted in the oil cup mounting hole.
As shown in figure 1, the switching mechanism of the movable point frog of the one-machine multi-point driving turnout has three traction points; all traction points are connected through a connecting pipe assembly 5; the first traction point consists of a first supporting plate 11, a first square rod support 21, a connecting rod assembly 3 positioned on the first square rod support 21, a first guide rod 41, a square pull rod 6 and a joint iron 7; the second traction point and the third traction point have the same structure; the second traction point consists of a second supporting plate 12, a second square rod support 22, a connecting rod assembly 3 positioned on the second square rod support 22, a second guide rod 42 and one of the pull plate assemblies 8; the third traction point is composed of a third blade 13, a third party bar support 23, a linkage assembly 3 on the third party bar support 23, a third guide bar 42 and another pulling plate assembly 8.
The switch equipment can be an electric switch machine or a manual switch machine, the switch equipment is only arranged at the first traction point and is fixed by a reserved mounting hole on the switch tie 100, and the power output end of the switch equipment is connected with a switch equipment connecting hole 61 on the first traction point formula pull rod 6; when the switch equipment drives the first traction point prescription pull rod 6 to pull the long point rail 500, the connecting rod assemblies 3 at the traction points are driven to rotate around the square rod supports 2, so that the guide rods 4 at the second traction point and the third traction point are driven to pull the long point rail 500 and the short point rail 300; the connecting rod assembly 3, the square pull rod 6, the guide rod 4 and the connecting pipe 51 form a mechanical structure with stable force transmission, and the requirements of displacement linear output and actual stroke value accuracy of the components of the long core rail 500 and the short core rail 300 pulled by the square pull rod 6 at each traction point are met.
As shown in fig. 3, in operation, the switch device transmits traction force to the long point rail 500 through the square pull rod 6, on one hand, the traction force is transmitted to the long point rail 500 through the U-shaped groove on the square pull rod 6, so that the long point rail 500 is switched, and on the other hand, the traction force is transmitted to the second traction point through the guide rod 4, so that the second traction point is switched; the joint iron 7 is respectively connected with the pair of wing rails 100 through the joint iron bolt connecting pair 71, the square pull rod 6 passes through the square hole of the joint iron 7 to move, and meanwhile, the four-direction moving range of the square pull rod 6 is limited through the square hole of the joint iron 7, so that the switching mechanism of the utility model is not deviated from the designed position in the pulling process.
As shown in fig. 4, the pulling plate assembly 8 is connected with the long rail 500 and the short rail 300 through the pulling plate bolt connecting pair 84, the long rail clamping plate 600 and the short rail clamping plate 400, and the pulling force is transmitted to the pulling plate assembly 8 through the guide rod 4, so that the pulling of the assembly of the long rail 500 and the short rail 300 at the second pulling point and the third pulling point is realized.
As shown in fig. 5, the rod joint assembly 9 is matched with the shaft sleeve 95 through the lubricating shaft 92, so that the square pull rod 6 and the guide rod 4 can rotate within a small range in the pulling process, the conversion failure caused by blocking is prevented, and a certain wear-resisting effect is achieved; lubricating oil in the oil cup 93 plays a certain lubricating role between the lubricating shaft 92 and the shaft sleeve 95; the insulating sleeve 91 and the insulating washer 94 play a good insulating role, and prevent each connecting part from being converted and failed due to conduction; when used in a manual switch, the insulating sleeve 91, insulating washer 94 may be eliminated without the need for insulation.
The utility model has simple and reasonable structural design, safe and stable structure, low manufacturing cost and small maintenance amount in field use, and is suitable for popularization and application.
Claims (9)
1. A switching mechanism for a movable point frog of a one-machine multi-point drive turnout is characterized in that: the switching mechanism is at least provided with two traction points, and each traction point comprises a supporting plate (1) which is arranged at one end of the switch tie (100) in the length direction in a matching mode, a square rod support (2) which is arranged on the supporting plate (1) in a matching mode, a connecting rod assembly (3) which is arranged on the square rod support (2) in a matching mode and a guide rod (4) which is connected to one end of the connecting rod assembly (3) in a matching mode; the connecting rod assemblies (3) at the adjacent traction points are in matched connection through a connecting pipe assembly (5);
a joint iron (7) is arranged on the wing rail (200) corresponding to at least one of the traction points in a matching way, and pulling plate assemblies (8) are arranged on the long center rail (500) and the short center rail (300) corresponding to the rest traction points in a matching way;
a square pull rod (6) is installed on the joint iron (7) in a matching manner; one end of the square pull rod (6) is connected with a power output end of a switch device in a matching mode, and the other end of the square pull rod (6) is connected with one end, corresponding to the traction point, of the guide rod (4) in a matching mode; the pulling plate assembly (8) is connected with one end of the guide rod (4) at the traction point corresponding to the pulling plate assembly in a matching mode.
2. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 1, wherein: the connecting rod assembly (3) comprises a first connecting rod, a second connecting rod and a third connecting rod; one end of the first connecting rod of each traction point is hinged to the upper part of the square rod support (2) in a matching mode, and the other end of the first connecting rod of each traction point is connected to the other end of the guide rod (4) in a matching mode;
the connecting pipe assembly (5) comprises two connecting pipes (51); one end of each of the two connecting pipes (51) is respectively connected with the second connecting rod and the third connecting rod of one of the traction points in a matching manner, and the other end of each of the two connecting pipes (51) is hinged with the second connecting rod and the third connecting rod of the other adjacent traction point in a matching manner.
3. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 2, wherein: one ends of the two connecting pipes (51) are connected with the second connecting rod and the third connecting rod in a threaded fit mode, and a connecting pipe nut (52) is installed at one end of each of the two connecting pipes (51) to perform axial limiting.
4. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 2, wherein: the other end of the guide rod (4) is connected with the other end of the first connecting rod in a threaded fit mode, and a guide rod nut (44) is installed at the other end of the first guide rod (41) to carry out axial limiting.
5. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 1, wherein: the other end of the square pull rod (6) is in matched connection with one end of the guide rod (4) corresponding to the traction point through a rod joint assembly (9); the pulling plate assembly (8) is in matched connection with one end, corresponding to the traction point, of the guide rod (4) through another rod joint assembly (9).
6. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 5, wherein: the pulling plate assembly (8) comprises a joint plate (81), a pulling plate (82), a rib plate (83) and a pulling plate bolt connecting pair (84); the joint plate (81) and the pulling plate (82) are both of right-angle bent plate structures; one horizontal end of the joint plate (81) is provided with a joint plate mounting hole in a matching way, one horizontal end of the joint plate (81) penetrates through the bottom side of the wing rail (200), the penetrating end of the joint plate is connected with the guide rod (4) corresponding to the traction point in a matching way through a rod joint assembly (9), and the upper part of one vertical end of the joint plate (81) is in contact connection with the short center rail (300) and a short center rail clamping plate (400) arranged on the outer side surface of the short center rail (300); one horizontal end of the pulling plate (82) is connected with one horizontal end of the joint plate (81) in a matching way, and the upper part of one vertical end of the pulling plate (82) is connected with the long center rail (500) and the long center rail clamping plate (600) arranged on the outer side surface of the long center rail (500) in a contact way; the upper part of one vertical end of the joint plate (81) and the upper part of one vertical end of the pulling plate (82) are fixed together with the short center rail (300), the short center rail clamping plate (400), the long center rail (500) and the long center rail clamping plate (600) through the same pulling plate bolt connecting pair (84); the rib plate (83) is matched and clamped between the lower part of one vertical end of the pulling plate (82) and the lower part of one vertical end of the joint plate (81).
7. The switching mechanism of movable point frog of one-machine multi-point drive switch according to claim 6, characterized in that: the rod joint assembly (9) consists of an insulating sleeve (91), a lubricating shaft (92), an oil cup (93), an insulating washer (94), a shaft sleeve (95) and a split pin (96);
in the rod joint assembly (9) for connecting the square pull rod (6) and the guide rod (4), the insulating sleeve (91) is arranged at the other end of the square pull rod (6) in a matched and penetrating manner, two ends of the insulating sleeve (91) protrude towards the outer side of the other end of the square pull rod (6), and the outside of the protruding end is sleeved with the insulating washer (94) in a matched manner;
in the rod joint assembly (9) for connecting the joint plate (81) and the guide rod (4), the insulating sleeve (91) is arranged at one horizontal end of the joint plate (81) in a matched and penetrating manner, two ends of the insulating sleeve (91) protrude towards the outer side of one horizontal end of the joint plate (81), and the outside of the protruding end is sleeved with another insulating washer (94) in a matched and sleeved manner;
the lubricating shaft (92) sequentially penetrates through the guide rod (4) and the insulating sleeve (91) in a matched mode, the head of the lubricating shaft (92) extends out of the guide rod (4) and is provided with a split pin (96) used for axial limiting in a matched mode, and the tail of the lubricating shaft (92) extends out of the guide rod (4) and is provided with a limiting baffle (97) used for axial limiting in a matched mode; the outer wall of the lubricating shaft (92) is in transitional connection with the guide rod (4) through the shaft sleeve (95); the oil cup (93) is matched and installed at the tail part of the lubricating shaft (92).
8. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 1, wherein: a connecting arm (62) is convexly arranged on the upper part of the square pull rod (6) close to the rod body of the middle section; the upper part of the connecting arm (62) is provided with a U-shaped groove in a matching way and is connected with the long center rail (500) in a matching way through the U-shaped groove.
9. The switching mechanism for a movable point frog of a multipoint drive switch according to claim 8, wherein: the joint iron (7) is provided with a pair and is matched and positioned at two sides of the connecting arm (62); the pair of joint irons (7) are respectively installed at two ends of the square pull rod (6) in a matching mode, and the upper ends of the pair of joint irons are respectively assembled and connected with the corresponding pair of wing rails (200) through joint iron bolt connection pairs (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638196.5U CN216269282U (en) | 2021-10-29 | 2021-10-29 | Switching mechanism for one-machine multi-point driving turnout movable point rail frog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122638196.5U CN216269282U (en) | 2021-10-29 | 2021-10-29 | Switching mechanism for one-machine multi-point driving turnout movable point rail frog |
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| Publication Number | Publication Date |
|---|---|
| CN216269282U true CN216269282U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122638196.5U Active CN216269282U (en) | 2021-10-29 | 2021-10-29 | Switching mechanism for one-machine multi-point driving turnout movable point rail frog |
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| Country | Link |
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| CN (1) | CN216269282U (en) |
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