CN109837812B - Adjustable top for adjusting top of turnout steel rail - Google Patents
Adjustable top for adjusting top of turnout steel rail Download PDFInfo
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- CN109837812B CN109837812B CN201910255865.5A CN201910255865A CN109837812B CN 109837812 B CN109837812 B CN 109837812B CN 201910255865 A CN201910255865 A CN 201910255865A CN 109837812 B CN109837812 B CN 109837812B
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Abstract
The invention discloses an adjustable top head for adjusting the rail top of a turnout steel rail, which comprises a middle top head, an upper top head and a lower top head, wherein the head end surface of the middle top head is in a circular arc shape and is used for being contacted with the rail web of a steel rail, the upper top head is arranged above the middle top head and is in sliding connection with the middle top head, the upper top head pushes the middle top head to slide on the middle top head by using an upper pushing device, the upper top head is positioned on the middle top head by using an upper positioning device, the head of the upper top head is used for being contacted with the rail head of the steel rail, the lower top head is arranged below the middle top head and is in sliding connection with the middle top head, the lower top head pushes the middle top head to slide by using a lower pushing device, the lower top head is positioned on the middle top head by using a lower positioning device, and the head of the lower top head is used for being contacted with the rail bottom of the steel rail. The invention can simultaneously contact with the rail head, the rail web and the rail bottom of the steel rail during top adjustment, so that the turnout steel rail is uniformly stressed, and the requirements of straightness of the working edge and the straightness of the rail head of the turnout steel rail are met.
Description
Technical Field
The invention relates to the technical field of turnout steel rail processing equipment, in particular to an adjustable top for adjusting the top of a turnout steel rail.
Background
With the rapid development of economy in China, the continuous improvement of railway traffic construction and the continuous improvement of the hourly speed of high-speed rails, the demand of China on turnout rails is increasing day by day, and higher requirements on the quality of the turnout rails are provided. The turnout rail is a line connecting device for switching a locomotive from one track to another track, is one of weak links of the track, is usually laid in a large number in a station and a marshalling station, and plays an important role on a railway line. Need to push up the accent to it in the switch rail course of working, make its formation accord with the degree of curvature that the railway laid the requirement, at present, in each big switch processing enterprise, switch rail processing adopts the top most to transfer equipment, the top that is used for the switch top when transferring is the rectangle massif mostly, when pushing up the accent switch, make the atress uneven on the switch cross-section, can lead to the straightness accuracy on switch work limit, the straightness of railhead is not conform to the national regulation, lead to the switch fracture even, consequently in switch rail processing field, the urgent need one kind can make switch rail railhead, the web of a rail, the adjustable top of even atress in the rail end.
Disclosure of Invention
The invention aims to provide an adjustable top head for adjusting the top of a turnout steel rail, which aims to solve the problems in the prior art, and the adjustable top head can be simultaneously contacted with a rail head, a rail web and a rail bottom of a steel rail during top adjustment, so that the turnout steel rail is uniformly stressed, and the requirements of the straightness of the working edge of the turnout steel rail and the straightness of the rail head are met.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an adjustable top head for track top adjustment of turnout steel rails, which comprises a middle top head, an upper top head and a lower top head, wherein the middle top head is a cuboid, the head end surface of the middle top head is arc-shaped and is used for being contacted with the rail web of a steel rail, the tail part of the middle top head is used for being fixedly connected with a top head driving device in a top adjustment device, the upper top head is arranged above the middle top head, the upper top head is in sliding connection with the middle top head, the upper top head pushes the upper top head to slide on the middle top head by using an upper pushing device, the upper top head is positioned on the middle top head by using an upper positioning device, the head part of the upper top head is used for being contacted with the rail head of the steel rail, the lower top head is arranged below the middle top head, the lower top head is in sliding connection with the middle top head, and the lower top head pushes the lower top head to slide on the middle top head by using a lower pushing device, the lower top head is positioned on the middle top head by using a lower positioning device, and the head part of the lower top head is used for contacting with the rail bottom of the steel rail.
Preferably, the upper end surface of the middle ejector is provided with a first dovetail groove, and the lower end surface of the upper ejector is provided with a first dovetail slide block matched with the first dovetail groove in a sliding manner.
Preferably, the upper positioning device comprises an upper guide pillar and an upper bearing block, the upper guide pillar is fixed in the middle of the upper end face of the middle top head, the upper bearing block is sleeved on the upper guide pillar and is in sliding connection with the upper top head, the end face of the upper bearing block at the sliding connection position and the end face of the upper top head are first inclined planes matched with each other, the upper bearing block and the upper top head are made of the same material, and an included angle between each two first inclined planes and a vertical plane is smaller than a friction angle of the upper bearing block.
Preferably, a second dovetail groove is formed in the lower end face of the middle ejector, and a second dovetail sliding block matched with the second dovetail groove in a sliding mode is arranged on the upper end face of the lower ejector.
Preferably, the lower positioning device comprises a lower guide pillar and a lower bearing block, the lower guide pillar is fixed at the rear part of the lower end face of the middle top head, the lower bearing block is sleeved on the lower guide pillar and is in sliding connection with the lower top head, the end face of the lower bearing block at the sliding connection part and the end face of the lower top head are matched second inclined planes, the lower bearing block and the lower top head are made of the same material, and an included angle between the two second inclined planes and a vertical plane is smaller than a friction angle of the lower bearing block.
Preferably, the cross section of the upper plug is trapezoidal, the head end face of the upper plug is arc-shaped, the upper pushing device is located on one side of the middle plug, the upper pushing device comprises a first rack and a second rack, the first rack is fixed to the upper plug, a first gear meshed with the first rack is connected to the middle plug in a rotating mode, a third dovetail groove is formed in the middle plug, the second rack is connected to the third dovetail groove in a sliding mode, a second gear meshed with the second rack is connected to the middle plug in a rotating mode, the first gear is meshed with the second gear, a first clamping column is hinged to the second rack, and a plurality of first rectangular fixing grooves matched with the first clamping columns are formed in the middle plug.
Preferably, the cross section of first card post is the V-arrangement, the bottom of first card post is rotated and is connected with first round pin axle, the fixed first round pin seat that is equipped with on the second rack, first card post passes through first round pin axle first round pin seat with the second rack is articulated, the cover is equipped with first torsional spring on the first round pin axle, the both ends of first torsional spring respectively with first card post second rack butt.
Preferably, the cross section of the lower ejector is trapezoidal, the head end surface of the lower ejector is arc-shaped, the lower pushing device is located on the other side of the middle ejector, the lower pushing device comprises a third rack and a fourth rack, the third rack is fixed on the lower ejector, a third gear meshed with the third rack is connected to the middle ejector in a rotating mode, a fourth dovetail groove is formed in the middle ejector, the fourth rack is connected to the fourth dovetail groove in a sliding mode, a fourth gear meshed with the fourth rack is connected to the middle ejector in a rotating mode, the third gear is meshed with the fourth gear, a second clamping column is hinged to the fourth rack, and a plurality of second rectangular fixing grooves matched with the second clamping columns are formed in the middle ejector.
Preferably, the cross section of second card post is the V-arrangement, the bottom of second card post is rotated and is connected with second round pin axle, the fixed second round pin seat that is equipped with on the fourth rack, the second card post passes through second round pin axle the second round pin seat with the fourth rack is articulated, the epaxial cover of second round pin is equipped with the second torsional spring, the both ends of second torsional spring respectively with the second card post fourth rack butt.
Compared with the prior art, the invention has the following technical effects:
the upper top head is arranged above the middle top head in a sliding connection mode, the lower top head is arranged below the middle top head in a sliding connection mode, so that a hydraulic cylinder of a jacking and adjusting device is used for pushing the middle top head to be in contact with the rail web of the steel rail, meanwhile, the upper top head is pushed by the upper pushing device, the upper positioning device is used for positioning after the middle top head is pushed in place, the lower pushing device is used for pushing the lower top head in the same mode, the lower positioning device is used for positioning after the middle top head is pushed in place, and therefore the upper top head is in contact with the rail head and the rail web and the lower top head is in contact with the rail bottom; meanwhile, the invention can also slide and adjust the positions of the upper top head and the lower top head respectively so as to adapt to the jacking adjustment of various types of steel rails.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a right side view of the present invention;
FIG. 5 is an enlarged, fragmentary view of portion A of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged partial schematic view of portion B of FIG. 3 in accordance with the present invention;
fig. 7 is a schematic structural view of the inner plug 2 of the present invention;
fig. 8 is a schematic structural view of the upper plug 3 and the first rack 11 in the present invention;
fig. 9 is a schematic structural view of the lower plug 7 and the third rack 12 in the present invention;
fig. 10 is a schematic structural view of the second rack 9 and the first catch 16 in the present invention;
fig. 11 is a schematic structural view of the fourth rack 15 and the second catch 18 in the present invention;
in the figure: 1-a steel rail; 2-middle top; 3-top of the top; 4-upper bearing block; 5-upper guide post; 6-lower bearing block; 7-lower plug; 8-a second gear; 9-a second rack; 10-a first gear; 11-a first rack; 12-a third rack; 13-a third gear; 14-a fourth gear; 15-a fourth rack; 16-a first clip column; 17-a first torsion spring, 18-a second clamping column, 19-a second torsion spring, 20-a first rectangular fixing groove, 21-a lower guide column, 22-a second rectangular fixing groove, 23-a first dovetail groove, 24-a second dovetail groove, 25-a third dovetail groove and 26-a fourth dovetail groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-11: this embodiment provides a top with adjustable be used for switch rail top to transfer, including well top 2, go up top 3 and lower top 7, well top 2 is the cuboid, the head terminal surface of well top 2 is arc and is used for contacting with the rail web of rail 1, the afterbody of well top 2 is arranged in transferring the top drive arrangement fixed connection who equips with switch rail top, in this embodiment top 2 directly transfer the piston rod fixed connection of pneumatic cylinder in equipping with current top, wherein be the head with the direction of 1 contact of rail, the direction of keeping away from rail 1 is the tail. The upper top 3 is arranged above the middle top 2, the upper top 3 is in a trapezoid block shape, the cross section of the upper top 3 is in a trapezoid shape, the head end surface of the upper top 3 is in a circular arc shape, the upper top 3 is in sliding connection with the middle top 2, the upper end surface of the middle top 2 is provided with a first dovetail groove 23 penetrating through the head and the tail, the lower end surface of the upper top 3 is provided with a first dovetail slide block matched with the first dovetail groove 23, the upper top 3 is pushed to slide on the middle top 2 by an upper pushing device, the upper top 3 is positioned on the middle top 2 by an upper positioning device, the head of the upper top 3 is used for contacting with the rail head of the steel rail 1, after the upper top 3 reaches a certain top adjusting position, the upper positioning device can prevent the upper top 3 from sliding towards the tail direction, the lower top 7 is arranged below the middle top 2, the lower top 7 is in a trapezoid shape, and the cross section of the lower top 7 is in a trapezoid shape, the head end face of the lower ejector 7 is arc-shaped, the lower ejector 7 is connected with the middle ejector 2 in a sliding mode, a second dovetail groove 24 penetrating through the head and the tail is formed in the lower end face of the middle ejector 2, a second dovetail slide block matched with the second dovetail groove 24 is arranged on the upper end face of the lower ejector 7, the lower ejector 7 pushes the lower ejector 7 to slide on the middle ejector 2 through a lower pushing device, the lower ejector 7 is positioned on the middle ejector 2 through a lower positioning device, the head of the lower ejector 7 is used for contacting with the rail bottom of the steel rail 1, and the lower positioning device can prevent the lower ejector 7 from sliding towards the tail direction after the lower ejector 7 reaches a certain ejection adjusting position. In the embodiment, the upper top head 3 is arranged above the middle top head 2, the lower top head 7 is arranged below the middle top head 2, the upper top head 2 is in surface contact with the rail web of the steel rail 1 in pushing by a hydraulic cylinder of the jacking and adjusting equipment, meanwhile, the upper top head 3 is pushed by the upper pushing device, the upper positioning device is utilized for positioning after the pushing is in place, the lower top head 7 is pushed by the lower pushing device in the same way, the lower positioning device is utilized for positioning after the pushing is in place, and the upper top head 3 is in contact with the rail head and the rail bottom of the steel rail, namely, the contact with the rail head, the rail web and the rail bottom of the steel rail can be realized simultaneously during jacking and adjusting, so that the stress of the turnout steel rail is uniform, and the requirements on the straightness of the working edge of the turnout steel rail and the straightness of the.
Specifically, the upper positioning device comprises an upper guide pillar 5 and an upper bearing block 4, the upper guide pillar 5 is a rectangular upright, the upper guide pillar 5 is fixed in the middle of the upper end surface of the middle top head 2, a square through hole is formed in the middle of the upper bearing block 4, the upper bearing block 4 is sleeved on the upper guide pillar 5 and is in sliding connection with the upper top head 3, the end surface of the upper bearing block 4 at the sliding connection position and the end surface of the upper top head 3 are first inclined surfaces which are matched, namely, the tail end surface of the upper top head 3 and the head end surface of the upper bearing block 4 are first inclined surfaces, the upper bearing block 4 and the upper top head 3 are made of the same material, an included angle between the two first inclined surfaces and a vertical plane (such as α in fig. 2) is smaller than a friction angle of the upper bearing block 4, when the upper top head 3 moves towards the tail direction, the upper top head 4 cannot move upwards under the force of the upper top head 3 under the action of the upper top head 3, so that the upper guide pillar 4 can prevent the upper top pillar 3 from moving downwards, when the upper guide pillar 3 moves towards the tail end surface, the tail end surface of the upper guide pillar 2, the lower bearing block is in the direction, the guide pillar 2, the tail end surface of the guide pillar 2, the guide pillar is not contacted with the lower rail head end surface, the lower rail head end surface of the guide pillar 2, the guide pillar is connected with the lower bearing block, the lower rail head end surface of the guide pillar, the guide pillar 2, the guide pillar is connected with the lower rail head end surface of the guide pillar, the guide pillar 2, the guide pillar is connected with the guide pillar.
Go up thrust unit and be located one side of well top 2, thrust unit sets up in 2 left sides of well tops on this embodiment, it includes first rack 11 and second rack 9 to go up thrust unit, first rack 11 is fixed on last top 3, it is connected with first gear 10 with first rack 11 engaged with to rotate on the well top 2, third dovetail 25 has been seted up on well top 2, sliding connection has second rack 9 in the third dovetail 25, it is connected with second gear 8 with second rack 9 engaged with to rotate on the well top 2, first gear 10 meshes with second gear 8, it has first card post 16 to articulate on the second rack 9, set up a plurality of and first card post 16 assorted first rectangle fixed slot 20 on the well top 2. The cross section of the first clamping column 16 is in a V shape, the bottom of the first clamping column 16 is rotatably connected with a first pin shaft, a first pin seat is fixedly arranged on the second rack 9, the first clamping column 16 is hinged with the second rack 9 through the first pin shaft and the first pin seat, a first torsion spring 17 is sleeved on the first pin shaft, two ends of the first torsion spring 17 are respectively abutted to the first clamping column 16 and the second rack 9, specifically, according to a clip principle, the first pin shaft is arranged at the bottom in the middle of the V shape, the first torsion spring 17 is sleeved on the first pin shaft, the first torsion spring 17 is provided with two extending ends, one extending end is abutted to the first clamping column 16 far away from a middle top, the other extending end is abutted to the second rack 9, specifically, see FIG. 5, and the two extending ends of the first torsion spring 17 are arranged on the left side of the V-shaped structure of the first clamping column 16. Five first rectangular fixing grooves 20 are arranged at equal intervals, and the first clamping column 16 is embedded into the first rectangular fixing grooves 20 under the action of the first torsion spring 17; the second rack 9 moves back and forth to the back and forth movement of top 3 in the adjustment, first card post 16 imbeds under the effect of first torsional spring 17 in the left first rectangle fixed slot 20 of top 2 in the embedding, in order to fix the position of top 3, the left side of top 2 is equipped with five first rectangle fixed slots 20 in the middle, every first rectangle fixed slot 20 corresponds five positions of top 3, corresponds five different models's rail 1 promptly, in order to adapt to different rail 1 sizes.
Lower thrust unit is located the opposite side of well top 2, thrust unit sets up in well top 2 right side under this embodiment, lower thrust unit includes third rack 12 and fourth rack 15, third rack 12 is fixed on top 7 down, it is connected with third gear 13 with third rack 12 looks meshing to rotate on well top 2, well top has seted up fourth dovetail 26 on 2, sliding connection has fourth rack 15 in the fourth dovetail 26, it is connected with fourth gear 14 with fourth rack 15 looks meshing to rotate on well top 2, third gear 13 meshes with fourth gear 14 mutually, it has second card post 18 to articulate on fourth rack 15, set up a plurality of and second card post 18 assorted second rectangle fixed slot 22 on well top 2. The cross section of second card post 18 is the V-arrangement, the bottom of second card post 18 rotates and is connected with the second round pin axle, the fixed second round pin seat that is equipped with on fourth rack 15, second card post 18 is through the second round pin axle, the second round pin seat is articulated with fourth rack 15, the cover is equipped with second torsional spring 19 on the second round pin axle, the both ends of second torsional spring 19 respectively with second card post 18, fourth rack 15 butt, it is specific like the clip principle, the bottom in the middle of the second round pin axle sets up at the V-arrangement, second torsional spring 19 cover is established on the second round pin axle, second torsional spring 19 has two ends that stretch out, one end that stretches out and keeps away from the second card post 18 butt of well top, another end that stretches out and fourth rack 15 butt, it is specific, as in fig. 6, two ends that stretch out of second torsional spring 19 set up the right side at second card post 18V-arrangement. The bottom of the second clamping column 18 is hinged to the fourth rack 15, and one side, away from the middle plug 2, of the second clamping column 18 is connected with the fourth rack 15 through a second torsion spring 19. Five second rectangular fixing grooves 22 are arranged at equal intervals, and the second clamping column 18 is embedded into the second rectangular fixing grooves 22 under the action of the second torsion spring 19; the fourth rack 15 moves back and forth to adjust the back and forth movement of the lower plug 7, the second clamping column 18 is embedded into a second rectangular fixing groove 22 on the left side of the middle plug 2 under the action of a second torsion spring 19 to fix the position of the lower plug 7, five second rectangular fixing grooves 22 are formed in the right side of the middle plug 2, and each second rectangular fixing groove 22 corresponds to five positions of the lower plug 7, namely five steel rails 1 of different types, so that the steel rails 1 can adapt to different sizes of the steel rails 1.
In the embodiment, when the turnout steel rail jacking device is used, firstly, a hydraulic cylinder of the turnout steel rail jacking device extends out to enable the middle top 2 to contact the rail waist surface of the steel rail 1, then a worker lifts the upper bearing column by one hand, holds the first clamping column 16 on the second rack 9 by the other hand to enable the first clamping column 16 to be separated from the first rectangular fixing groove 20 on the third dovetail groove 25 on the left side surface of the middle top 2, adjusts the position of the upper top 3 according to the type of the steel rail 1, then loosens the first clamping column 16 to enable the first clamping column 16 to be embedded into the corresponding first rectangular fixing groove 20, and similarly, adjusts the fourth rack 15 to adjust the position of the lower top 7, so that the upper top 3 contacts the rail head side surface of the steel rail 1, the middle top 2 contacts the rail waist surface of the steel rail 1, the lower top 7 contacts the rail bottom side surface of the steel rail 1, and the rail head, rail waist and rail bottom of the turnout steel rail are simultaneously contacted when jacking is carried out, and the, thereby meeting the requirements of the straightness of the working edge of the turnout steel rail and the straightness of the rail head.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a top with adjustable be used for switch rail top to transfer which characterized in that: comprises a middle top head, an upper top head and a lower top head, wherein the head end surface of the middle top head is arc-shaped and is used for contacting with the rail web of the steel rail, the tail part of the middle ejector is used for being fixedly connected with an ejector driving device in the top adjusting device, the upper ejector is arranged above the middle ejector, the upper ejector head is connected with the middle ejector head in a sliding way, the upper ejector head pushes the upper ejector head to slide on the middle ejector head by using an upper pushing device, the upper top head is positioned on the middle top head by an upper positioning device, the head part of the upper top head is used for contacting with the rail head of the steel rail, the lower ejector is arranged below the middle ejector and is connected with the middle ejector in a sliding way, the lower top head pushes the lower top head to slide on the middle top head by using a lower pushing device, the lower top head positions the lower top head on the middle top head by using a lower positioning device, and the head of the lower top head is used for contacting with the rail bottom of the steel rail.
2. The adjustable head for the top adjustment of a switch rail as claimed in claim 1, wherein: a first dovetail groove is formed in the upper end face of the middle ejector, and a first dovetail sliding block matched with the first dovetail groove in a sliding mode is arranged on the lower end face of the upper ejector.
3. The adjustable head for the top adjustment of a switch rail as claimed in claim 1, wherein: the upper positioning device comprises an upper guide pillar and an upper bearing block, the upper guide pillar is fixed in the middle of the upper end face of the middle top head, the upper bearing block is sleeved on the upper guide pillar and is in sliding connection with the upper top head, the end face of the upper bearing block at the sliding connection position and the end face of the upper top head are first inclined planes which are matched, the upper bearing block and the upper top head are made of the same material, and the included angle between the two first inclined planes and a vertical plane is smaller than the friction angle of the upper bearing block.
4. The adjustable head for the top adjustment of a switch rail as claimed in claim 1, wherein: and a second dovetail groove is formed in the lower end face of the middle ejector, and a second dovetail sliding block matched with the second dovetail groove in a sliding mode is arranged on the upper end face of the lower ejector.
5. The adjustable head for the top adjustment of a switch rail as claimed in claim 1, wherein: the lower positioning device comprises a lower guide pillar and a lower bearing block, the lower guide pillar is fixed at the rear part of the lower end face of the middle top head, the lower bearing block is sleeved on the lower guide pillar and is in sliding connection with the lower top head, the end face of the lower bearing block at the sliding connection part and the end face of the lower top head are matched second inclined planes, the lower bearing block and the lower top head are made of the same material, and the included angle between the two second inclined planes and a vertical plane is smaller than the friction angle of the lower bearing block.
6. The adjustable head for the top adjustment of a switch rail as claimed in claim 1, wherein: the cross section of the upper ejector is trapezoidal, the head end face of the upper ejector is arc-shaped, the upper pushing device is located on one side of the middle ejector and comprises a first rack and a second rack, the first rack is fixed to the upper ejector, a first gear meshed with the first rack is connected to the middle ejector in a rotating mode, a third dovetail groove is formed in the middle ejector, the second rack is connected to the third dovetail groove in a sliding mode, a second gear meshed with the second rack is connected to the middle ejector in a rotating mode, the first gear is meshed with the second gear, a first clamping column is hinged to the second rack, and a plurality of first rectangular fixing grooves matched with the first clamping columns are formed in the middle ejector.
7. The adjustable head for the top adjustment of a switch rail as claimed in claim 6, wherein: the cross section of first card post is the V-arrangement, the bottom of first card post is rotated and is connected with first round pin axle, the fixed first round pin seat that is equipped with on the second rack, first card post passes through first round pin axle first round pin seat with the second rack is articulated, the epaxial cover of first round pin is equipped with first torsional spring, two of first torsional spring stretch out the end setting and are in first card post is kept away from one side of first rectangle fixed slot, the two of first torsional spring stretch out the end respectively with first card post second rack butt.
8. The adjustable head for the top adjustment of a switch rail as claimed in claim 6, wherein: the cross section of lower top is trapezoidal, the head terminal surface of lower top is arc, lower thrust unit is located the opposite side of well top, lower thrust unit includes third rack and fourth rack, the third rack is fixed on the top down, rotate on the well top be connected with the third gear that the third rack meshes mutually, the last fourth dovetail that has seted up of well top, sliding connection has the fourth rack in the fourth dovetail, rotate on the well top be connected with the fourth gear that the fourth rack meshes mutually, the third gear with fourth gear meshes mutually, it has the second card post to articulate on the fourth rack, well top on seted up a plurality of with second card post assorted second rectangle fixed slot.
9. The adjustable head for the switch rail top adjustment of claim 8, wherein: the cross section of second card post is the V-arrangement, the bottom of second card post is rotated and is connected with second round pin axle, the fixed second round pin seat that is equipped with on the fourth rack, the second card post passes through second round pin axle the second round pin seat with the fourth rack is articulated, the epaxial cover of second round pin is equipped with the second torsional spring, two of second torsional spring stretch out the end setting and are in the second card post is kept away from one side of second rectangle fixed slot, the two of second torsional spring stretch out the end respectively with the second card post fourth rack butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255865.5A CN109837812B (en) | 2019-04-01 | 2019-04-01 | Adjustable top for adjusting top of turnout steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255865.5A CN109837812B (en) | 2019-04-01 | 2019-04-01 | Adjustable top for adjusting top of turnout steel rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109837812A CN109837812A (en) | 2019-06-04 |
| CN109837812B true CN109837812B (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255865.5A Active CN109837812B (en) | 2019-04-01 | 2019-04-01 | Adjustable top for adjusting top of turnout steel rail |
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| CN (1) | CN109837812B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2042233C2 (en) * | 1970-08-26 | 1975-01-16 | Elektro Thermit Gmbh | Tongue switch, in which the tongues consist of rail sections of the main track |
| US6758406B2 (en) * | 2002-09-23 | 2004-07-06 | Progress Rail Services Corp. | Rail switch brace |
| DE102004004784B4 (en) * | 2004-01-30 | 2007-05-10 | Cdp Bharat Forge Gmbh | Device for displacing a tongue rail |
| CN2863858Y (en) * | 2006-02-24 | 2007-01-31 | 武汉钢铁(集团)公司 | 43 kg/m rail switch point point-hiding switcher |
| CZ2008256A3 (en) * | 2008-04-24 | 2009-12-30 | AŽD Praha s.r.o. | Point roller chair |
| CN102031730A (en) * | 2010-12-24 | 2011-04-27 | 中铁宝桥集团有限公司 | Horizontal deeply-concealed wear-resistant tongue rail and stock rail structure |
| US10400397B2 (en) * | 2017-03-31 | 2019-09-03 | Voestalpine Nortrak Inc. | Boltless rail brace |
| CN108842524A (en) * | 2018-09-14 | 2018-11-20 | 芜湖中铁科吉富轨道有限公司 | A kind of stock rail and tongue rail head structural form |
-
2019
- 2019-04-01 CN CN201910255865.5A patent/CN109837812B/en active Active
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| CN109837812A (en) | 2019-06-04 |
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