CN111590123B - Switch AT switch rail machining and positioning tool and using method thereof - Google Patents

Switch AT switch rail machining and positioning tool and using method thereof Download PDF

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Publication number
CN111590123B
CN111590123B CN202010470977.5A CN202010470977A CN111590123B CN 111590123 B CN111590123 B CN 111590123B CN 202010470977 A CN202010470977 A CN 202010470977A CN 111590123 B CN111590123 B CN 111590123B
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China
Prior art keywords
rail
positioning body
tool
force
positioning
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CN202010470977.5A
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Chinese (zh)
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CN111590123A (en
Inventor
田继新
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Anhui Zhongzhi Rail Transportation Equipment Manufacturing Co ltd
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Anhui Zhongzhi Rail Transportation Equipment Manufacturing Co ltd
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Priority to CN202010470977.5A priority Critical patent/CN111590123B/en
Publication of CN111590123A publication Critical patent/CN111590123A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/002—Milling elongated workpieces
    • B23C3/005—Rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated

Abstract

The invention discloses a turnout AT switch rail processing and positioning tool and a use method thereof, wherein the turnout AT switch rail processing and positioning tool comprises the following steps: a base plate for placing the AT point rail and serving as a general support; the first tool is used for exerting force on the AT switch rail from the vertical direction and assembling the AT switch rail above the bottom plate; the second tool is used for exerting force on the AT switch rail from the horizontal direction and assembling the AT switch rail above the bottom plate; the first tool is used for assembling a base material section of the AT switch rail, applies force to the rail bottom of the base material section from the vertical direction, and enables the rail bottom and the rail head of the base material section to be vertical from top to bottom; the second tool is used for assembling a pressing section of the AT switch rail, and the second tool also enables the rail bottom and the rail head of the pressing section to be vertical from top to bottom; the first tool is detachably arranged on the bottom plate, so that the base metal section is quickly positioned and clamped; the second tool is also detachably mounted on the bottom plate, so that the assembly is convenient, and the rapid pressing and positioning clamping of the pressing section is realized.

Description

Switch AT switch rail machining and positioning tool and using method thereof
Technical Field
The invention relates to the technical field of turnouts, in particular to a turnout AT tongue processing and positioning tool and a using method thereof.
Background
The point rail is an important part in the turnout, most of the prior points are manufactured by adopting a short special section steel rail (AT steel rail for short), the section shape is asymmetric, (see attached figure 1 in the specification) in order to connect the AT point rail with the guide rail in the turnout, the heel end of the AT point rail is forged into a standard steel rail section, (see attached figure 2 in the specification) in order to ensure that the rail bottom and the rail bottom of the guide rail are in the same plane after the heel end of the AT point rail is connected with the guide rail, the deformed rail bottom of the heel end of the AT point rail needs to be milled after the AT point rail is forged, in order to ensure that the relative position of the plane of the processed rail bottom and the plane of the rail bottom of the parent metal of the AT point rail is parallel and to ensure the stability and the non-distortion during the processing of the rail bottom, corresponding process equipment needs to be designed, so as to meet the requirements; meanwhile, in order to improve the production efficiency and the equipment cost, the tool can realize quick positioning and clamping, and realize subsequent processing and other operations.
Disclosure of Invention
Aiming AT the problems in the prior art, the invention provides a turnout AT switch rail processing and positioning tool and a use method thereof, wherein a first tool is detachably arranged on a bottom plate, so that the base material section is quickly positioned and clamped; the second frock of setting is same detachably installs convenient assembling on the bottom plate, realizes quick suppression, the location dress card of suppression section.
In order to achieve the purpose, the invention provides a turnout AT switch rail processing and positioning tool, which comprises: a base plate for placing the AT point rail and serving as a general support;
the first tool is used for exerting force on the AT switch rail from the vertical direction and assembling the AT switch rail above the bottom plate;
the second tool is used for exerting force on the AT switch rail from the horizontal direction and assembling the AT switch rail above the bottom plate;
the first tool is used for assembling a base material section of the AT switch rail, applies force to the rail bottom of the base material section from the vertical direction, and enables the rail bottom and the rail head of the base material section to be vertical from top to bottom;
the second tool is used for assembling a pressing section of the AT switch rail, the second tool enables the rail bottom and the rail head of the pressing section to be vertical from top to bottom, and the second tool applies force to the rail web of the pressing section from the horizontal direction and enables the rail web to deform inwards.
As a further optimization of the above scheme, the first tool includes:
a railhead positioning body; a rail bottom positioning body;
the rail head positioning bodies are detachably arranged on the bottom plate, the number of the rail head positioning bodies is two, the two rail head positioning bodies are separated by an interval I, and the rail head of the base metal section is inserted into the interval I from top to bottom and is attached to the rail head positioning bodies;
the rail bottom positioning body is detachably mounted on the bottom plate through a support rod I, when the rail head of the base metal section is inserted into the space I, the rail bottom positioning body can be turned over to cover the upper portion of the rail bottom of the base metal section, and after the rail bottom positioning body is covered, the rail bottom positioning body is kept horizontal and the rail bottom and the rail head of the base metal section are vertical from top to bottom.
As a further optimization of the scheme, the rail head positioning body is strip-shaped; the rail bottom positioning body is plate-shaped.
As a further optimization of the above solution, the upper end of the rail bottom positioning body can be externally applied with force, and the rail bottom positioning body is kept horizontal when externally applied with force.
As a further optimization of the scheme, when the rail bottom positioning body is kept parallel, the lower end of the rail bottom positioning body is attached to the support rod II on the bottom plate.
The upper end of the rail bottom positioning body can be externally applied with force, and the rail bottom positioning body is kept horizontal when being externally applied with force.
As a further optimization of the above scheme, the second tool includes:
the first rail web positioning body and the second rail web positioning body;
the first supporting seat and the second supporting seat;
the first rail web positioning body and the second rail web positioning body are respectively matched with the first supporting seat and the second supporting seat, the first supporting seat and the second supporting seat are both detachably and symmetrically arranged at the upper end of the bottom plate, the first supporting seat and the second supporting seat are separated by an interval II, the first rail web positioning body is fixedly arranged at the left side of the first supporting seat,
the second rail web positioning body is movably arranged on the right side of the second supporting seat.
As a further optimization of the above scheme, the second tool further includes:
the upper end of the wedge iron can be externally applied with force, and the right side of the wedge iron is propped against the second rail waist positioning body; when the wedge iron is applied with external force, the wedge iron applies the acting force to the second rail web positioning body.
As a further optimization of the above scheme, the upper end of the bottom plate is further provided with a force application mechanism which is located outside the first tool and the second tool and can apply force to the first tool and the second tool.
As a further optimization of the above aspect, the force application mechanism includes:
a drive cylinder; applying a force arm; a top rod;
the output end of the driving cylinder is vertically upward, the force application arm is provided with a power end and a resistance end, and the length of the power end is greater than that of the resistance end; the output end of the driving cylinder is movably hinged with the power end of the force application arm, the joint of the power end and the resistance end of the force application arm is hinged with the upper end of the ejector rod, and the lower end of the ejector rod is vertically downward and is connected with the bottom plate through the base; the lower end of the resistance end is provided with a protrusion protruding downwards;
the bulge of the first tool can be attached to the upper end of the rail bottom positioning body and apply a vertical downward force to the rail bottom positioning body;
the protrusion of the second tooling can also be hinged with the upper end of the wedge and apply a vertical downward force to the wedge.
The invention also provides a use method of the turnout AT tongue processing and positioning tool based on any turnout AT tongue, which comprises the following steps:
installing the rail head positioning body on the upper end of the bottom plate through a screw, separating the two rail head positioning bodies through an interval, wherein the transverse width of the interval is matched with the rail head width of the base metal section, and inserting the rail head of the base metal section into the interval;
assembling a rail head positioning body of a first tool, namely detachably installing a rail bottom positioning body at the upper end of a bottom plate through a support rod I, hinging one end of the rail bottom positioning body with the upper end of the support rod I, and then covering the rail bottom positioning body above a rail bottom of a parent metal section by turning over;
the assembly force application mechanism is characterized in that a driving cylinder and a mandril are arranged on a bottom plate, the output end of the driving cylinder is hinged with a power end of a force application arm, the upper end of the mandril is hinged between the power end and a resistance end of the force application arm, the power end of the force application arm upwards lifts the resistance end to move downwards by taking the upper end of the mandril as a fulcrum through the upward output of the driving cylinder, so that the bulge of the resistance end is attached to the upper end of the rail bottom positioning body and applies a vertical downward force to the rail bottom positioning body to horizontally compress the rail bottom positioning body;
processing a base material section: the base material section on the bottom plate is horizontally conveyed to the milling machine through the bottom plate, and the rail bottom and the rail head of the base material section are vertical from top to bottom, so that the milling machine mills the rail bottom of the base material section from the top;
after the rail bottom is milled, the first tool is integrally disassembled from the bottom plate before the second tool is assembled;
assembling a second tool: the first supporting seat and the second supporting seat are detachably arranged on the bottom plate through screws, and a space II is formed between the first supporting seat and the second supporting seat;
hanging a first rail web positioning body on the left side of the first supporting seat, and placing the milled base material section between the intervals II so as to enable the side face of the first rail web positioning body to be attached to the right rail web of the base material section;
then sequentially placing a second rail waist positioning body and the wedge iron into the space II, wherein the second rail waist positioning body and the wedge iron are mutually attached, and the side surface of the second rail waist positioning body is attached to the left rail waist of the base metal section;
pressing in a pressing section: the power end of the force application arm is lifted upwards to move the resistance end downwards by taking the upper end of the ejector rod as a fulcrum through the upward output of the driving cylinder, and the resistance end is hinged with the upper end of the wedge iron, so that the resistance end applies vertical downward force to the wedge iron to enable the wedge iron to be vertically downward, the wedge iron applies the force to the second rail waist positioning body, and the second rail waist positioning body applies force to the rail waist of the pressing section from the horizontal direction and presses the rail waist.
The invention discloses a turnout AT switch rail processing and positioning tool and a use method thereof, which have the following beneficial effects:
1. according to the positioning tool for processing the turnout AT switch rail and the use method thereof, the arranged first tool is detachably arranged on the bottom plate so as to clamp the rail head of the parent metal section of the AT switch rail and compress the rail bottom, so that the parent metal section is quickly positioned and clamped, the positioning and clamping ensure that the rail head and the rail bottom of the parent metal section are kept vertical, the rail bottom plane is ensured to be horizontal, and the stability in processing the rail bottom is ensured to avoid distortion;
2. the second tool is also detachably arranged on the bottom plate for convenient assembly, and the first rail web positioning body and the second rail web positioning body are simultaneously utilized to prop against the rail web of the pressing section of the AT point rail so as to deform along the inclined planes of the first rail web positioning body and the second rail web positioning body, thereby realizing rapid pressing, positioning and clamping of the pressing section;
3. the force application mechanism is used for outputting total power, the driving of the driving cylinder is utilized, the force application to the first tool and the first tool can be respectively realized, the force application to the AT switch rail by the first tool and the second tool is realized, and the subsequent related machining operation is conveniently completed, namely, the force application mechanism is used for outputting total power and can be directly matched with the first tool and the second tool, so that the positioning and clamping operation can be rapidly completed by the first tool and the first tool.
Drawings
FIG. 1 is a cross-sectional view of a prior art AT point rail;
FIG. 2 is a schematic cross-sectional view of an AT point rail after being machined according to the prior art;
FIG. 3 is a schematic view of the connection of a first tool of the present invention to a parent material segment of an AT point rail;
FIG. 4 is a schematic view of the connection of a second tooling of the present invention to a pressing section of an AT point rail;
FIG. 5 is a side schematic view of the shoe, AT point, and milling machine of the present invention;
FIG. 6 is a schematic top view of the shoe, AT point, and milling machine of the present invention.
In the figure: the track comprises a bottom plate 1, a base metal section 2, a pressing section 3, a track bottom 4, a track head 5, a track web 6, a track head positioning body 7, a track bottom positioning body 8, an interval I9, a support rod I10, a support rod II 11, a first track web positioning body 12, a second track web positioning body 13, a first support seat 14, a second support seat 15, a wedge 16, a driving cylinder 17, a force applying arm 18, an ejector rod 19, a protrusion 20, an interval II 21 and a milling machine 22.
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 obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
referring to fig. 1-6, the invention provides a positioning tool for processing a switch AT tongue, comprising:
a base plate 1 for placing the AT point rail and serving as a general support;
a first tool for applying force to the AT switch rail from the vertical direction and assembling the AT switch rail above the bottom plate 1;
a second tool for applying force to the AT switch rail from the horizontal direction and assembling the AT switch rail above the bottom plate 1;
the first tool is used for assembling the base metal section 2 of the AT switch rail, applies force to the rail bottom 4 of the base metal section 2 from the vertical direction, and enables the rail bottom 4 and the rail head 5 of the base metal section 2 to be vertical from top to bottom;
the second tool is used for assembling the pressing section 3 of the AT point rail, the second tool enables the rail bottom 4 and the rail head 5 of the pressing section 3 to be vertical from top to bottom, force is applied to the rail web 6 of the pressing section 3 from the horizontal direction by the second tool, the rail web 6 is enabled to deform inwards, the base material section 2 is a part to be milled of the AT point rail, and the pressing section 3 is a part to be pressed of the AT point rail.
First frock includes: a railhead positioning body 7; a rail bottom positioning body 8;
the rail head positioning bodies 7 are detachably arranged on the bottom plate 1, the number of the rail head positioning bodies 7 is two, the two rail head positioning bodies 7 are separated by a space I9, and the rail head 5 of the base metal section 2 is inserted into the space I9 from top to bottom and is attached to the rail head positioning bodies 7;
the rail bottom positioning body 8 is detachably arranged on the bottom plate 1 through a support rod I10, when the rail head 5 of the parent metal section 2 is inserted into the space I9, the rail bottom positioning body 8 can be covered above the rail bottom 4 of the parent metal section 2 through overturning, after the rail bottom positioning body 8 is covered, the rail bottom 4 of the parent metal section 2 and the rail head 5 are kept horizontal, the rail bottom 4 and the rail head 5 are vertical from top to bottom, and the rail head positioning body 7 is in a strip shape; the rail foot 4 positioning body is plate-shaped to match the AT point rail extending in the transverse length direction.
The upper end of the rail bottom positioning body 8 can be externally applied with force, the rail bottom positioning body 8 is kept horizontal when the force is applied externally, the lower end of the rail bottom positioning body 8 is attached to the support rod II 11 on the bottom plate 1 when the rail bottom positioning body 8 is kept parallel, the upper end of the rail bottom positioning body 8 can be externally applied with force, the rail bottom positioning body 8 is kept horizontal when the force is applied externally, and in conclusion, a first tool is detachably arranged on the bottom plate 1 to clamp the rail head 5 of the parent metal section 2 of the AT point rail and tightly press the rail bottom 4, so that the rapid positioning and clamping of the parent metal section 2 are realized, the positioning and clamping ensure that the rail head 5 and the rail bottom 4 of the parent metal section 2 are kept vertical, the plane of the rail bottom 4 is kept horizontal, and the rail bottom 4 is also ensured to be stable and avoid skew and distortion when being processed;
the second frock includes: a first rail web positioning body 12 and a second rail web positioning body 13; a first support base 14 and a second support base 15; first rail web location body 12, second rail web location body 13 respectively with first supporting seat 14, the cooperation of second supporting seat 15, first supporting seat 14, the equal detachably symmetry of second supporting seat 15 is installed in 1 upper end of bottom plate, and separates through interval II 21 between first supporting seat 14, the second supporting seat 15, first rail web location body 12 is fixed to be set up in the left side of first supporting seat 14, second rail web location body 13 movably sets up on the right side of second supporting seat 15.
The second frock still includes: the upper end of the wedge iron 16 can be applied with force from the outside, and the right side of the wedge iron 16 is propped against the second rail waist positioning body 13; when externally applied, the wedge 16 applies the force to the second web positioning body 13.
In addition, the upper end of bottom plate 1 still is provided with the forcing mechanism that is located first frock, the outside and can give first frock, the application of force of second frock, and forcing mechanism includes:
a drive cylinder 17; a force application arm 18; a top rod 19; the output end of the driving cylinder 17 is vertically upward, the force application arm 18 is provided with a power end and a resistance end, and the length of the power end is greater than that of the resistance end; the output end of the driving cylinder 17 is movably hinged with the power end of the force application arm 18, the joint of the power end and the resistance end of the force application arm 18 is hinged with the upper end of the ejector rod 19, and the lower end of the ejector rod 19 is vertically downward and connected with the bottom plate 1 through a base; the lower end of the resistance end is provided with a protrusion 20 which protrudes downwards;
referring to fig. 3, the protrusion 20 of the first tooling can be attached to the upper end of the rail bottom positioning body 8 and apply a vertical downward force to the rail bottom positioning body 8;
referring to fig. 4, the protrusion 20 of the second tooling can also be hinged to the upper end of the wedge 16 and apply a vertical downward force to the wedge 16;
in a word, the arranged second tool is also detachably arranged on the bottom plate 1 for convenient assembly, and the first rail web positioning body 12 and the second rail web positioning body 13 are simultaneously abutted against the rail web 6 of the pressing section 3 of the AT point rail so as to deform along the inclined planes of the first rail web positioning body 12 and the second rail web positioning body 13, thereby realizing rapid pressing, positioning and clamping of the pressing section 3;
the embodiment also provides a use method of the turnout AT tongue processing and positioning tool based on any turnout AT tongue, which comprises the following steps:
assembling a rail bottom positioning body 8 of a first tool, namely installing rail head positioning bodies 7 at the upper end of a bottom plate 1 through screws, and separating the two rail head positioning bodies 7 through a space I9, wherein the transverse width of the space I9 is matched with the width of a rail head 5 of a base material section 2, and inserting the rail head 5 of the base material section 2 into the space I9;
the slope of the inclined plane from the two sides of the railhead 5 of the base metal section 2 to the top surface thereof is 1: 20;
assembling a railhead positioning body 7 of a first tool, namely detachably mounting a railbottom positioning body 8 at the upper end of the bottom plate 1 through a support rod I10, hinging one end of the railbottom positioning body 8 with the upper end of the support rod I10, and then covering the railbottom positioning body 8 above a railbottom 4 of the parent metal section 2 by overturning;
the force application mechanism is assembled, namely a driving cylinder 17 and a mandril 19 are arranged on the bottom plate 1, the output end of the driving cylinder 17 is hinged with the power end of the force application arm 18, the upper end of the mandril 19 is hinged between the power end and the resistance end of the force application arm 18, and the power end of the force application arm 18 is lifted upwards to move the resistance end downwards by taking the upper end of the mandril 19 as a fulcrum through the upward output of the driving cylinder 17, so that the bulge 20 of the resistance end is attached to the upper end of the rail bottom positioning body 8 and applies vertical downward force to the rail bottom positioning body 8 to horizontally compress the rail bottom positioning body 8;
and (3) processing the base material section 2: the base material section 2 on the base plate 1 is kept horizontally conveyed to a milling machine 22 through the base plate 1, and the rail bottom 4 of the base material section 2 is vertically arranged from top to bottom between a rail head 5 and a rail bottom 4 of the base material section 2, so that the milling machine 22 mills the rail bottom 4 of the base material section 2 from the top;
after the rail bottom 4 is milled, the first tool is integrally disassembled from the bottom plate 1 before the second tool is assembled;
assembling a second tool: the first supporting seat 14 and the second supporting seat 15 are detachably mounted on the bottom plate 1 through screws, and a space II 21 is formed between the first supporting seat 14 and the second supporting seat 15;
hanging a first rail web positioning body 12 on the left side of a first supporting seat 14, and placing the milled base material section 2 between the intervals II 21 so as to enable the side surface of the first rail web positioning body 12 to be attached to the right rail web 6 of the base material section 2;
then, the second rail waist positioning body 13 and the wedge iron 16 are sequentially placed in the interval II 21, the second rail waist positioning body 13 and the wedge iron 16 are attached, and the side surface of the second rail waist positioning body 13 is attached to the left rail waist 6 of the base material section 2;
pressing in a pressing section 3: the power end of the force application arm 18 is lifted upwards to move the resistance end downwards by taking the upper end of the ejector rod 19 as a fulcrum through the upward output of the driving cylinder 17, and the resistance end is hinged with the upper end of the wedge 16, so that the resistance end applies a vertical downward force to the wedge 16 to enable the wedge 16 to be vertically downward, the wedge 16 applies the force to the second rail waist positioning body 13, and the second rail waist positioning body 13 applies force to the rail waist 6 of the pressing section 3 from the horizontal direction and presses the rail waist;
explained further, the inclination of the side surfaces of the first and second web positioning bodies 1, 13 which are close to each other is 1:3, after pressing, firmly wedging a side surface of the first rail web positioning body 1, which is close to the second rail web positioning body 13, with a left inclined surface and a right inclined surface (inclination 1: 3) of the rail web 6 together to realize pressing and quick positioning and clamping (the clamping in the embodiment is a general term for assembling and clamping);
it should be noted that, in the prior art in China, there are two kinds of AT steel rails, one is a 50AT steel rail, the heel end of which is required to be pressed into a 50 steel rail cross section for a 50gk/m steel rail turnout, and the other is a 60AT steel rail, when the heel end of which is pressed into a 60kg/m steel rail cross section, for a 60kg/m steel rail turnout; the AT tongue in the present embodiment is AT least one of a 50AT rail and a 60AT rail.
In addition, the milling machine 22 may be a vertical milling machine 22 in the prior art, or may be a planer type milling machine 22, the bed of the milling machine 22 is required to be as long as possible to support the base plate 1, if the bed is short, a supporting roller device needs to be arranged AT the lower end of the base plate 1 to convey the base plate 1 to the milling machine 22, in addition, the driving cylinder 17 may be a hydraulic cylinder or an air cylinder in the prior art, and the driving cylinder 17 can output an acting force matched with an acting force required by AT point rail pressing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a switch AT tongue processing location frock which characterized in that includes:
a base plate for placing the AT point rail and serving as a general support;
the first tool is used for exerting force on the AT switch rail from the vertical direction and assembling the AT switch rail above the bottom plate;
the second tool is used for exerting force on the AT switch rail from the horizontal direction and assembling the AT switch rail above the bottom plate;
the first tool is used for assembling a base material section of the AT switch rail, applies force to the rail bottom of the base material section from the vertical direction, and enables the rail bottom and the rail head of the base material section to be vertical from top to bottom;
the first tool comprises:
a railhead positioning body;
a rail bottom positioning body;
the rail head positioning bodies are detachably arranged on the bottom plate, the number of the rail head positioning bodies is two, the two rail head positioning bodies are separated by an interval I, and the rail head of the base metal section is inserted into the interval I from top to bottom and is attached to the rail head positioning bodies;
the rail bottom positioning body is detachably arranged on the bottom plate through a support rod I, when the rail head of the parent metal section is inserted into the space I, the rail bottom positioning body can be covered above the rail bottom of the parent metal section through overturning, and after the rail bottom positioning body is covered, the rail bottom positioning body is kept horizontal, and the rail bottom and the rail head of the parent metal section are vertical from top to bottom;
the second tool is used for assembling a pressing section of the AT switch rail, the second tool also enables the rail bottom and the rail head of the pressing section to be vertical from top to bottom, and the second tool applies force to the rail web of the pressing section from the horizontal direction and enables the rail web to deform inwards;
the second frock includes:
the first rail web positioning body and the second rail web positioning body;
the first supporting seat and the second supporting seat;
the first rail web positioning body and the second rail web positioning body are respectively matched with the first supporting seat and the second supporting seat, the first supporting seat and the second supporting seat are detachably and symmetrically arranged at the upper end of the bottom plate, the first supporting seat and the second supporting seat are separated by an interval II, the first rail web positioning body is fixedly arranged on the left side of the first supporting seat, and the second rail web positioning body is movably arranged on the right side of the second supporting seat;
the second frock still includes:
the upper end of the wedge iron can be externally applied with force, and the right side of the wedge iron is propped against the second rail waist positioning body; when the wedge iron is applied with external force, the wedge iron applies the force to the second rail web positioning body.
2. The processing and positioning tool for the switch AT tongue of claim 1, which is characterized in that:
the rail head positioning body is strip-shaped;
the rail bottom positioning body is plate-shaped.
3. The processing and positioning tool for the switch AT tongue of claim 2, characterized in that:
the upper end of the rail bottom positioning body can be externally applied with force, and the rail bottom positioning body is kept horizontal when being externally applied with force.
4. The processing and positioning tool for the switch AT tongue of claim 3, wherein:
when the rail bottom positioning bodies are kept parallel, the lower ends of the rail bottom positioning bodies are attached to the supporting rod II on the bottom plate;
the upper end of the rail bottom positioning body can be externally applied with force, and the rail bottom positioning body is kept horizontal when being externally applied with force.
5. The processing and positioning tool for the switch AT tongue of claim 4, wherein:
and the upper end of the bottom plate is also provided with a force application mechanism which is positioned outside the first tool and the second tool and can apply force to the first tool and the second tool.
6. The processing and positioning tool for the switch AT tongue of claim 5, wherein:
the force application mechanism comprises:
a drive cylinder;
applying a force arm;
a top rod;
the output end of the driving cylinder is vertically upward, the force application arm is provided with a power end and a resistance end, and the length of the power end is greater than that of the resistance end; the output end of the driving cylinder is movably hinged with the power end of the force application arm, the joint of the power end and the resistance end of the force application arm is hinged with the upper end of the ejector rod, and the lower end of the ejector rod is vertically downward and is connected with the bottom plate through the base; the lower end of the resistance end is provided with a protrusion protruding downwards;
the bulge of the first tool can be attached to the upper end of the rail bottom positioning body and apply a vertical downward force to the rail bottom positioning body;
the protrusion of the second tooling can also be hinged with the upper end of the wedge and apply a vertical downward force to the wedge.
7. The use method of the turnout AT tongue processing and positioning tool based on claim 6 is characterized in that: the method comprises the following steps:
installing the rail head positioning body of the first tool at the upper end of the bottom plate through a screw, separating the two rail head positioning bodies through a space I, wherein the transverse width of the space I is matched with the rail head width of the base metal section, and inserting the rail head of the base metal section into the space I;
assembling a rail bottom positioning body of a first tool, namely detachably installing the rail bottom positioning body at the upper end of a bottom plate through a support rod I, hinging one end of the rail bottom positioning body with the upper end of the support rod I, and then covering the rail bottom positioning body above a rail bottom of a parent metal section by turning over;
the assembly force application mechanism is characterized in that a driving cylinder and a mandril are arranged on a bottom plate, the output end of the driving cylinder is hinged with a power end of a force application arm, the upper end of the mandril is hinged between the power end and a resistance end of the force application arm, the power end of the force application arm upwards lifts the resistance end to move downwards by taking the upper end of the mandril as a fulcrum through the upward output of the driving cylinder, so that the bulge of the resistance end is attached to the upper end of the rail bottom positioning body and applies a vertical downward force to the rail bottom positioning body to horizontally compress the rail bottom positioning body;
processing a base material section: the base material section on the bottom plate is horizontally conveyed to the milling machine through the bottom plate, and the rail bottom and the rail head of the base material section are vertical from top to bottom, so that the milling machine mills the rail bottom of the base material section from the top;
after the rail bottom is milled, the first tool is integrally disassembled from the bottom plate before the second tool is assembled;
assembling a second tool: the first supporting seat and the second supporting seat are detachably arranged on the bottom plate through screws, and a space II is formed between the first supporting seat and the second supporting seat;
hanging a first rail web positioning body on the left side of the first supporting seat, and placing the milled base material section between the intervals II so as to enable the side face of the first rail web positioning body to be attached to the right rail web of the base material section;
then a second rail waist positioning body and the wedge iron are sequentially placed in the space II, the second rail waist positioning body and the wedge iron are mutually attached, the side surface of the second rail waist positioning body is attached to the left rail waist of the base metal section, and the upper end of the wedge iron is hinged with the resistance end of the force application arm;
pressing in a pressing section: the power end of the force application arm is lifted upwards to move the resistance end downwards by taking the upper end of the ejector rod as a fulcrum through the upward output of the driving cylinder, and the resistance end is hinged with the upper end of the wedge iron, so that the resistance end applies vertical downward force to the wedge iron to enable the wedge iron to be vertically downward, the wedge iron applies the force to the second rail waist positioning body, and the second rail waist positioning body applies force to the rail waist of the pressing section from the horizontal direction and presses the rail waist.
CN202010470977.5A 2020-05-28 2020-05-28 Switch AT switch rail machining and positioning tool and using method thereof Active CN111590123B (en)

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CN202010470977.5A CN111590123B (en) 2020-05-28 2020-05-28 Switch AT switch rail machining and positioning tool and using method thereof

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206578566U (en) * 2016-11-16 2017-10-24 湖北武铁山桥轨道装备有限公司 Linear positioning system during a kind of point tongue processing
CN206883208U (en) * 2017-04-20 2018-01-16 铁科（北京）轨道装备技术有限公司 A kind of rail flange of rail fixture for milling
CN207723934U (en) * 2017-06-01 2018-08-14 芜湖中铁科吉富轨道有限公司 A kind of heel of switch rail positioning device
CN207027017U (en) * 2017-06-23 2018-02-23 浙江贝尔通信集团有限责任公司 Multipurpose built-up jig for milling bed
CN209830179U (en) * 2019-04-29 2019-12-24 新铁德奥道岔有限公司 Turnout switch rail forging and pressing section machining tool
CN110076536B (en) * 2019-06-06 2020-10-13 新铁德奥道岔有限公司 Step-by-step processing method of overlong turnout switch rail

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