KR101656189B1 - Apparatus for keeping nut tighten for turn-out branching-off point and crossing - Google Patents

Apparatus for keeping nut tighten for turn-out branching-off point and crossing Download PDF

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Publication number
KR101656189B1
KR101656189B1 KR1020150087671A KR20150087671A KR101656189B1 KR 101656189 B1 KR101656189 B1 KR 101656189B1 KR 1020150087671 A KR1020150087671 A KR 1020150087671A KR 20150087671 A KR20150087671 A KR 20150087671A KR 101656189 B1 KR101656189 B1 KR 101656189B1
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KR
South Korea
Prior art keywords
rotation
contact
preventing
groove
bracket
Prior art date
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KR1020150087671A
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Korean (ko)
Inventor
반기수
Original Assignee
코레일테크 주식회사
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Priority to KR1020150087671A priority Critical patent/KR101656189B1/en
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Publication of KR101656189B1 publication Critical patent/KR101656189B1/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/18—Combinations of switches and crossings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/004—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with a radial cut in order to improve elasticity of the washer

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The present invention relates to an apparatus for preventing unfastening for a switch point and, more specifically, to an apparatus for preventing unfastening for a switch point, capable of allowing a space control member to control normal rotation and a fixing member to control reverse rotation. The apparatus for preventing unfastening for a switch point comprises a space control member (10), an unfastening preventing washer (20), a fixing member (30), and a control tool (40). The space control member is integrally formed at a rear surface of the space control member coupled in an attachment control space to conveniently control a space of a bracket formed between connections. An unfastening preventing washer and a fixing member are sequentially coupled to a front surface of the space control member, and first and second wings are attached to a rotation preventing projection of the space control member and the fixing member formed in the unfastening preventing washer. A cut groove of a base varies in length so that the bent length and the elastic force of the first and second wings formed in the unfastening preventing washer are applied differently. The apparatus for preventing unfastening for a switch point can prevent the space control member from being detached from an initial set position and being attached to the bracket by preventing the space control member and the fixing member from being unfastened due to the heavy weight of the railway vehicle and the friction and vibration between a steel wheel and a rail, and prevent an accident that the attachment control space is detached from the bracket by maintaining the fixing member to be fixed to the initial set position.

Description

[0001] APPARATUS FOR KEEPING NUT TIGHTEN FOR TURN-OUT BRANCHING-OFF POINT AND CROSSING [0002]

The present invention relates to an unlocking device for a line converter, and more particularly, to an unclamping device for a line converter, and more particularly, to an unclamping device for a line converter, The first and second vanes formed on the unlocking washer are in close contact with the rotation preventing protrusions of the fixing member and the gap adjusting member while the unlocking washer and the fixing member are sequentially coupled to the front surface of the adjusting member, And a reverse rotation preventing device for preventing reverse rotation of the line switching device.

Bolts and nuts used to couple two or more members to fixtures such as general machinery, piers, pylons, ships, automobiles, airplanes, railway vehicles, etc., are used to rigidly connect various devices, It is used as a means for

When bolts and nuts are screwed to each other, the bolts and nuts are fastened together. After the bolts and nuts are tightened, when the bolts and nuts are subjected to external vibrations or shocks, the bolts and nuts are loosened in the opposite direction Such a phenomenon can be found in a variety of devices. Among them, a rail and a line switching device provided for traveling of a railway vehicle will be described as an example. A rail or a rail provided for running a railway vehicle (subway, train) In the case of bolts and nuts that are connected to the line switching device that changes the course of the railway vehicle, unlike ordinary automobile wheels, the railway car is subjected to friction and vibration between the iron wheels and the rail, It is true today that occurs more frequently.

Among them, a line switcher is a device that is attached to a bifurcation of a railway line to operate a railway car at the current railway line to another line. It determines the direction of a local train and locks the rail so that the rail can not move until the train passes. .

On the other hand, in the case of bolts and nuts fastened between tightening controls that move the tongue rail in the line changing device, the loosening of the bolts and nuts due to the excessive weight of the railway vehicle and the friction and vibration caused by the movement of the train wheels, It is today that happens frequently.

In such a line switching unit, a tongue rail installed on the inner side of the basic rail is moved to the left and right using a manual mechanical or automatic electric line switching unit provided outside the basic rail of the branch unit, It is possible to change the course of the railway vehicle by closely adhering the rail. In the case of a bolt fastened to a moving means (a switching lever) operated for converting a line, as time elapses, The clearance between the rails is generated, and in particular, the abrasion of the above-mentioned manual mechanical moving means and the wear of the bolts engaged with the moving means as described above cause loosening of the engaged state, resulting in loosening of the bolts and nuts, . ≪ / RTI >

Particularly, in the case of the loosening preventing device in which the brackets are coupled between the couplings on the inner side of the tongue rail, and the loosening prevention device is fixed to the one end of the bracket by the tightening control connected to the line switching device, A number of attempts have been proposed to prevent the loosening of bolts and nuts.

In the case of the unlocking prevention device for a line changeover device according to the patent application No. 1032118 filed by the applicant of the present invention, the large-diameter part 210 and the small-diameter part 220 And a coupling protrusion 210a protrudes from the front surface of the large diameter portion 210. The coupling protrusion 210a is formed on the front surface of the coupling protrusion 210a with a first guide The hole 260 is pierced so that the elastic spring 250 and the rotation control protrusion 230 are inserted and the second guide hole 260 is formed in the upper portion of the large diameter portion 210 so that the rear surface of the first guide hole 260 is penetrated upward. And a rotation groove 260b is formed at an end of the second guide hole 260a so that the engagement bracket 240 can be screwed to the rotation control projection 230 exposed in the second guide hole 260a. The rotation member 300 is coupled to the front surface of the fixing member 200 formed integrally with the rotary member 300 The rotation member 300 is composed of the main body 310 and the nut 320 and is screwed to the tightening control unit 100 and the engaging projection of the fixing member 200 is inserted into the rear surface of the main body 310 A rotation control part 330 protrudes from a rear surface of the main body 310 and a rotation control recess 340 formed in a semicircular shape around the rotation control part 330, A plurality of rotatable members 300 are formed in the circumferential direction to couple with the rotation control protrusions 230 of the fixing member 200 to control the rotation of the rotatable member 300, (A) having a fastening member (400) for preventing the fastening member (200) from being detached from the tightening control slot (100) by inserting a fastening pin (420) Discloses an apparatus for preventing loosening.

In the conventional unlocking device for a line converter, there is a problem that a flow occurs during the fixing operation of the fixing member and the rotating member and a problem that when the nut portion of the rotating member is rotated by the steel member, there was.

In the conventional unlocking device for a line converter, when a second guide hole, which is perforated on the circumferential surface of the large diameter portion, passes through the outside and rain or snow flows into the second guide hole and freezes, the operation of the engagement bracket and the rotation control protrusion So that the rotating member can not be rotated.

In addition, when the foreign matter is introduced into the second guide hole, the rotating member can not be rotated, and a separate cover is required to be formed on the upper portion of the second guide hole.

In the conventional unlocking device for a line converter, when the fastening pin of the fastening member is separated by vibration, the rotary member is disengaged from the fastening member.

Conventionally, the unlocking device for the line converter has a complicated structure of coupling between the fixing member and the rotary member, which is difficult to assemble and separate. Especially, it has a drawback that the coupling structure of the rotation control protrusion requires precision, have.

2. Description of the Related Art [0002] Recently, various products have been developed in order to overcome the problems of conventional loosening preventing devices for line converters. Among them, a fixing member fastened between tightening adjustments and a circumferential locking protrusion are formed on the circumferential surface, In the case of the loosening prevention device for the line switch which prevents the reverse rotation due to the rotation prevention blade closely attached to the locking pawl, there is a high risk of a safety accident that the worker's clothes or strings are rolled into the locking pawl, There is a problem that the foreign matter easily flows into the inside of the machine and the operation of the loosening preventing device becomes impossible and the conventional loosening preventing device has a problem that productivity is low due to high cost of the product.

Patent Registration No. 1032118

SUMMARY OF THE INVENTION It is an object of the present invention to improve the assembling structure of the gap adjusting member, the anti-loosening washer and the fixing member, The present invention also provides a loosening prevention device for a line switch that improves work efficiency and can quickly adjust the gap between the adjustment and the bracket by the length of the gap adjusting portion formed on the rear surface of the gap adjusting member.

It is another object of the present invention to provide a washer having a first and a second fastening portions formed on front and rear surfaces of a washer for prevention of loosening, The rotation preventing key formed on the unlocking washer is inserted into the formed key groove to control the rotation of the unlocking washer and the first and second wings of the unlocking washer are brought into close contact with the rotation preventing jaw formed on the front surface of the gap adjusting member and the fixing member, By controlling the forward rotation of the control member and the reverse rotation of the fixing member, it is possible to prevent the loosening phenomenon of the fixing member caused by the excessive weight of the railway car and the friction and vibration between the iron wheel and the rail, And an unlocking prevention device for the line converter.

It is a further object of the present invention to provide an anti-rotation blade and an anti-rotation jaw continuously in the circumferential direction on the front surface of the gap adjusting member and the fixing member, The cut surfaces are integrally formed so that when the worker fixes and separates the gap adjusting member and the fixing member, the end portions of the anti-rotation blades and the anti-rotation jaws protrude, so that the worker's clothes or strings are caught, And an object of the present invention is to provide an unclamping device for a line converter that can be prevented in advance.

Another object of the present invention is to provide an apparatus and a method for forming a cut-off preventing washer in which a cutout groove is formed inside a base located on a bottom peripheral surface of a first and second tight contact portions of a release preventing washer, , The first blade has a cut-out groove formed to be short to the left so as to be shortly bent downward to minimize the elastic force of the first blade, thereby controlling the forward rotation of the gap adjusting member while maintaining a tight contact with the fastening portion, When the fixing part pushes the second wing inward during the fastening operation of the fixing member, the second wing is press-fitted inward by the elastic force, And to provide a loosening prevention device for a line switch that maintains a more firmly fixed state.

Another object of the present invention is to minimize the total number of parts and to reduce the cost of the product while maintaining the fixed state of the fixing member firmly fixed between the tightening adjustments and preventing the reverse rotation, And the fixing member is controlled in reverse rotation by the loosening preventing washer to prevent the loosening of the fixing member caused by the excessive weight of the railway car and friction and vibration between the iron wheel and the rail, And the clamping tool is formed in a shape of a pincer while a clamp is formed in a semicircular shape so that the clamping portion and the rotary protrusion of the clamping portion can be press-fitted into the clamping member, A partition wall surface is integrally formed on the inner side, and a blade close portion is inserted between the fixing member and the second blade, A line switch to more quickly perform the separation material to provide a locking device copiers.

In order to achieve the above object, according to the present invention, there is provided an unlocking device for a line converter, wherein a bracket is provided between the connection and the connection for moving the tongue rail and protrudes downward, Wherein the back face is extended to be connected to the line switching device while the front face is inserted and the loosening preventing device is fastened to the circumferential surface of the contact adjustment located on both sides of the bracket to operate the bracket and the connection, Wherein the fastening portion is screwed to the circumferential surface of the fastening portion, the gap adjusting portion integrally extends to the rear surface of the fastening portion and is in close contact with the bracket between the fastening portions, and a rotation protrusion is continuously projected on the circumferential surface of the fastening portion, And a plurality of anti-rotation blades in the circumferential direction are formed on the outer side of the outer side of the contact groove And an anti-rotation protrusion formed at an end of the anti-rotation wing and the anti-rotation wing; Wherein the first and second contact portions are protruded from the front and back surfaces of the base so that the first contact portion is inserted into the contact groove of the connection portion, A rotation prevention key is protruded inside the first and second tight contact portions so as to control the rotation by being inserted into a key groove formed on the inner side of the face, and a cut groove is formed inside the base located at the lower end peripheral face of the first and second tight contact portions, The incision groove is formed in a short side to the left so that the first wing may be bent to the lower side so that the first wing is closely attached to the rotation preventing jaw of the fastening portion, And the second wing is extended toward the right by a cutting groove so that the second wing is elongated upwardly; And a second contact portion of the base is formed with a contact groove on the inside of the front surface so as to be inserted into the fixing portion, and a rotation projection is continuously projected on the circumferential surface of the fixing portion, A fixing member which forms a rotation preventing blade and forms a rotation preventing jaw at an end portion where the rotation preventing blade and the rotation preventing blade are connected to each other; And a control unit.

According to the present invention as described above, the present invention simplifies the assembling structure and the assembling process so as to minimize the number of parts of the gap adjusting member, the unlocking washer, and the fixing member that are screwed together, It is possible to reduce the work time required to adjust the distance between the close adjustment and the bracket by the length of the gap adjusting portion formed on the rear surface of the gap adjusting member It is effective.

In order to control the forward rotation of the gap adjusting member that is screwed between the tightening adjustments, the anti-rotation key of the anti-lock washer is inserted into the key groove formed in the inner side of the tightening adjustment, The wing is brought into close contact with the rotation preventing jaw of the gap adjusting member to control the normal rotation and the second wing of the unlocking washer is in close contact with the rotation preventing jaw of the fixing member to control the reverse rotation of the fixing member, It is possible to omit the position adjustment and maintenance work of the fixing member and the gap adjusting member by keeping the initial state in which the fixing member is screwed between the tightening control and the friction and vibration between the wheel and the rail.

The present invention is characterized in that a cutting surface formed by cutting the upper inner side surface of the rotation preventing jaw at the outer end of the gap adjusting member and the rotation preventing vanes of the fixing member is integrally formed so that when the operator fixes and separates the gap adjusting member and the fixing member It is possible to prevent an accident that the worker's clothes or straps are hooked on the end portions of the anti-rotation wings and the anti-rotation jaws to fall down.

In the present invention, the first wing of the unlocking washer is cut short to the left so as to minimize the elastic force, while at the same time bending the first wing downward to maintain a tight contact with the fastening portion, And the second wing is elongated to the upper side while the incision groove is elongated to the right so that the elastic force is maximally applied. When the fixing part pushes the second wing inward during the fastening operation of the fixing member, So that the reverse rotation is controlled and the loosening phenomenon of the fixing member can be prevented in advance.

The height of the rotation preventing jaw formed on the gap adjusting member is set to be lower than the height of the rotation preventing jaw of the fixing member to prevent foreign substances from penetrating into the inside while adhering to the unlocking washer as much as possible, A separate adjustment tool is manufactured so as to correspond to the rotation protrusion formed on the circumferential surface of the member, and the semicircular tongue of the adjustment tool is formed with a plurality of protrusions identical to the rotation protrusion so as to firmly fix the fastening portion and the fixing portion, There is an effect that the assembling and separating operation can be performed quickly by the operation of pushing the handle of the adjustment tool in the field.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing the entire configuration of the present invention. FIG.
FIG. 2 is a perspective view of the unlocking device of the present invention in a detached state. FIG.
3 is a front structural view of the gap adjusting member and the fixing member of the present invention.
4 is a side view of the gap adjusting member and the fixing member of the present invention.
5 is a front structural view of the unlocking washer of the present invention.
6 is a side view of the unshrouded washer of the present invention.
7 is a partially enlarged view of a combined state of the present invention.
8 is an exploded perspective view of another embodiment of the present invention.
9 is a front view of another embodiment of the unlocking washer of the present invention.
10 is a side view of another embodiment of the unlocking washer of the present invention.
11 is a partially enlarged view of a coupled state of another embodiment of the present invention.
12 is a planar structural view of an adjusting tool for fixing and separating the gap adjusting member and the fixing member of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 12, the present invention is characterized in that a tongue rail 3 is provided on the inner side surface of a base rail 2, and two connection tongues 3 are provided between the tongue rail 3 and the tongue rail 3 And a bracket 5 is provided between the connection link 4 and the connection link 4 so as to protrude downward and the inside of the bracket 5 is provided with a contact adjustment groove 6 A gap adjusting member 10, a loosening preventing washer 20 and a fixing member 30 are installed on both sides of the bracket 5 while passing through the contact adjustment gap 6, The switchgear 1 is connected to move the tongue rail 3 while moving the bracket 5 and the linkage 4 while moving the tightening control lever 6 to the left and right.

The adhesion adjusting gap 6 is formed by threading a circumferential surface so that the gap adjusting member 10, the anti-loosening washer 20 and the fixing member 30 can be fastened, A key groove 7 is formed in the longitudinal direction on the upper side of the washer 20 so that the rotation preventing key 24 of the unlocking washer 20 to be described later is inserted to control the rotation of the unlocking washer 20, The gap adjusting member 10 screwed to the shaft 6 is divided into a fastening portion 11 and a gap adjusting portion 12 and the fastening portion 11 is formed in a circular shape, A screw thread is formed in the fastening part 11 to screw the fastening adjusting screw 6 to adjust the length of the bracket 5 and the fastening part 11 A space adjusting portion 12 is extended in the longitudinal direction on the rear surface of the fastening portion 11, A plurality of rotation preventing blades 14 are formed in the circumferential direction on the outer surface of the contact groove 13 so as to be in contact with the first contact portion 22 of the unlocking washer 20 The rotation preventing jaws 15 are continuously formed at the ends where the rotation preventing blades 14 and the rotation preventing blades 14 are connected so that the first blades 26 of the unlocking washer 20, And is brought into close contact with the rotation preventing jaw 15 to control the forward rotation of the gap adjusting member 10. [

The inner surface of the upper portion of the rotation preventing jaw 15 is cut at the outer end of the coupling part 11 and the rotation preventing blade 14 of the fixing part 31 so that the cutting surface 16 is integrally formed, 4, the rotation preventing jaws 15 of the rotation preventing blades 14 are moved from the upper side to the lower side as shown in FIG. 4, The upper portion of the rotation preventing jaw 15 of the coupling portion 11 is formed to be lower than the height of the rotation preventing jaw 15 of the fixing portion 31 to be described later, To prevent penetration.

The inside of the unlocking washer 20 is in close contact with the gap adjusting member 10 so that the inside of the base 21 is inserted into the circumferential surface of the adhesion adjusting gap 6, The first tight contact portion 22 is inserted into the tight contact groove 13 of the fastening portion 11 and is kept in close contact with the fastening portion 22, The rotation prevention key 24 protrudes inside the first and second contact portions 22 and 23 so as to be inserted into the key groove 7 formed in the inner circumferential surface, A cutout groove 25 is formed in the base 21 located on the lower surface of the lower end of the first and second contact portions 22 and 23 to control the forward rotation of the adjustment member 10, The first and second vanes 26 and 27 are cut by cutting the lower end of the base 21 on which the first vane 25 is located to form the first vane 26, Incision to bend The first wing 25 is formed to be short to the left so that the elastic force acting on the first wing 26 is minimized so that the first wing 26 is firmly in close contact with the rotation preventing jaw 15 of the fastening portion 11, 7, in which the thickness of the first blade 26 is closer to the height of the rotation preventing jaw 15 than the height of the rotation preventing jaw 15, The end portion of the gap adjusting member 10 is separated from the position where the gap adjusting member 10 is initially set and is closely contacted with the bracket 5 by controlling the forward rotation of the gap adjusting member 10 while preventing foreign matter from penetrating into the inside of the fastening operation And the second blade 27 is elongated to the right to extend the cutout groove 25 so that the second blade 27 can be bent upwardly so that the elastic force can be applied to the second blade 27 at the maximum, Is firmly fixed while pressing the second blade 27 inwardly To be maintained.

The fixing member 30 which is in close contact with the unlocking washer 20 is formed with a contact groove 32 on the inner side of the front surface so that the second contact portion 23 of the base 21 is inserted into the fixing portion 31 A plurality of rotation preventing blades 33 are formed in the circumferential direction on the outer surface of the outer circumferential surface of the contact groove 32, The rotation preventing jaw 34 is formed at an end portion where the rotation preventing blade 33 and the rotation preventing blade 33 are connected so that the second blade 27 of the unlocking washer 20 is closely contacted to prevent reverse rotation Thereby preventing the fixing member 30 from being unwound from the adhesion control gap 6. [

On the other hand, the inner surface of the upper portion of the anti-rotation jaw 34 is cut off from the outer end of the anti-rotation blade 33 of the fixing portion 31 to form the cutting surface 35 integrally, The rotation preventing protrusion 34 of the anti-rotation vane 33 protrudes obliquely from the upper side to the lower side as shown in FIG. 4, As shown in FIG.

The fixing member 30 further includes an adjusting tool 40 for quickly working in the field and the adjusting tool 40 has a tongue-like shape and is provided with a handle 42 The clamp 43 is formed integrally with the clamp 43. The clamp 43 has a semicircular shape with upper and lower portions separated from each other and a protrusion 43a similar to the rotary protrusions 11a and 31a is formed on the inner side thereof, And the fixing member 30 is fixed and separated while maintaining the state of being firmly press-fitted with the rotation protrusion 31a. The blade attaching portion 44 protrudes in a semi- When the clamping member 43 presses the rotary projection 31a of the fixing member 30 and the blade attaching portion 44 is inserted between the fixing portion 31 and the second blade 27 to rotate the fixing member 30 forward The second wing 27 is press-fitted by an elastic force to more firmly fix the fixing member 30, and the separation of the fixing member 30 When the work is required, the second wing 27 is externally applied with an elastic force, so that the worker can not separate the fixing member 30 with his / her hands, so that the blade close contact portion 44 controls the elastic force of the second wing 27 The fixing member 30 can be reversely rotated and the fixing member 30 can be easily separated.

8 is a perspective view illustrating another example of the gap adjusting member 100 according to the present invention. The gap adjusting member 120 is integrally formed with the bracket 5 And a rotation protrusion 110a is continuously protruded from the circumferential surface of the coupling part 110 and a contact groove 130 is formed in the coupling part 110. [

The inside of the unlocking washer 200 which is in close contact with the gap adjusting member 100 is inserted so that the inside of the base 210 is inserted into the circumferential surface of the adhesion adjusting gap 6, The first and second tight contact portions 220 and 230 are protruded from the rear surface of the fastening portion 110 so that the first fastening portion 220 is inserted into the fastening groove 130 of the fastening portion 110, A rotation prevention key 240 protrudes inside the first and second contact portions 220 and 230 to be inserted into the key groove 7 formed on the inner side of the first and second contact portions 220 and 230, A cutout groove 250 is formed on the inner side of the base 210 located on the lower end of the base 230 and the lower end of the base 210 on which the cutout 250 is located is cut to form a first wing 260, The cutout groove 250 is extended to the right to closely contact the rotation preventing jaws 340 of the fixing member 300 to be described later so that the fixing member 300 can be fixed to the rotation preventing jaw 340. [ Of It controls the rotation.

The fixing member 300 closely attached to the unlocking washer 200 has a contact groove 320 formed in such a manner that the second contact portion 230 of the base 210 is in close contact with the interior of the fixing portion 310, A plurality of anti-rotation blades (330) are formed in the outer surface of the outer side of the contact groove (320) in the circumferential direction, and the rotation prevention protrusion (310a) The rotation preventing jaws 340 are formed at the ends where the blades 330 and the rotation preventing blades 330 are connected to each other while the first blades 260 of the base 210 are in close contact with each other Prevents reverse rotation.

The gap adjusting part 120 of the gap adjusting member 100 shown in FIGS. 8 to 11 can be manufactured by applying various lengths according to working conditions. In the state where the end of the gap adjusting part 120 is in close contact with the line changing device And the like.

The unlocking device for a line converter according to the present invention constructed as above operates as follows.

In general, in the line switcher, a connection gap 4 is formed on both sides of the base rail 2 so that the tongue rail 3 located on the inner side of the base rail 2 can move left and right. And a contact adjustment gap 6 is inserted into the inside of the bracket 5 and a gap adjusting member 6 is provided on both sides of the bracket 5, The first wing 26 of the unlocking washer 20 is fixed to the rotation preventing jaw 15 of the gap adjusting member 10 while the unlocking washer 10, the unlocking washer 20 and the fixing member 30 are sequentially engaged. When the normal rotation of the gap adjusting member 10 can not be controlled, the excessive weight of the railway car and friction and vibration between the iron wheel and the rail cause the gap adjusting member 10 ) Of the tongue rail (3) is moved toward the bracket (5) while being rotated forward, the moving distance of the tongue rail (3) And the second wing 27 of the release preventing washer 20 is fixed to the rotation preventing jaw 34 of the fixing member 30 And the reverse rotation of the fixing member 30 is controlled so that the fixing member 30 is prevented from being loosened in the contact adjustment gap 6. In the fixing operation of the fixing member 30, The position of the clamping portion 43 of the clamping tool 40 is adjusted so that the clamping portion 31a of the clamping portion 31 can be pressed into the clamping portion 43 using the tool 40, When the handle 41 is inserted while being inserted between the fixing portion 27 and the fixing portion 31 and the clamping portion 43 strongly presses the fixing portion 31, the fixing portion 31 is rotated forward to rotate the second wing 27, The fixing member 30 is held in a firmly fixed state and the reverse rotation is prevented by the second wing 27 .

When the line switcher 1 is operated, the interval adjusting member 10, the unlocking washer 20, and the fixing member 30 located on the right side of the bracket 5 move left and right, The tongue rail 3 is brought into close contact with the base rail 2 on the left side while moving the bracket 5 to the left side while moving to the left side and conversely when the line switch 1 and the close adjustment gap 6 are moved to the right side, The spacing adjusting member 10, the unlocking washer 20 and the fixing member 30 are moved to the right side to move the bracket 5 to the right and bring the tongue rail 3 into close contact with the right base rail 2 And the loosening prevention device for the line switcher is characterized in that the work efficiency is improved by improving the overall joining structure in order to facilitate the worker in the winter and the summer so that the worker can easily work alone, Anti-loosening device for converter Is difficult to assemble and separate, and in particular, there is no separate adjustment tool when assembling and separating the unblocking device. Therefore, it is difficult to use the existing tools as much as possible The gap adjusting member 10 of the present invention can control the rotation only by an operation of rotating the hand by an operator and the fixing member 300 is also rotated by hand, The present invention is characterized in that the number of parts can be minimized and the number of components can be minimized. Thereby reducing costs and maintenance costs.

In addition, the present invention has a problem in that the unlocking prevention device for the line converter can not operate the unlocking device due to freezing of the rain or snow inside the identification device. However, And a cutting surface 16 or 35 is formed on the fixing member 30 to prevent an accident that the worker's clothes or straps are caught and fall off. There is also a feature that can be prevented.

The gap adjusting member 10 and the fixing member 30 of the present invention can prevent the loosening of the gap adjusting member 10 and the fixing member 30 caused by the excessive weight of the railway car and friction and vibration between the iron wheel and the rail, Thereby preventing the gap adjusting member 10 from being in contact with the bracket 5 by releasing the position where the gap adjusting member 10 is initially set and maintaining the fixed position of the holding member 30 in its originally set position, It is possible to prevent accidental departure from the vehicle.

The above-described loosening preventing device for a line converter according to the present invention is not limited to the above-described embodiment, and various modifications and changes may be made without departing from the scope of the present invention as defined in the following claims. There is a technical spirit to the extent that anyone can make various changes.

10: an interval adjusting member 11:
11a: rotation projection 12:
13: contact groove 14: anti-rotation blade
15: rotation preventing jaw 16: cutting surface
20: Release prevention washer 21: Base
22: first tight contact portion 23: second tight contact portion
24: rotation prevention key 25: incision groove
26: first wing 27: second wing
30: Fixing member 31: Fixing member
31a: rotation protrusion 32: tight contact groove
33: anti-rotation blade 34: anti-rotation jaw
35: Cutting surface 40: Adjusting tool
41: center shaft 42: handle
43: forceps 43a: projection
44:

Claims (7)

A bracket is installed between the connection between the tongue rail and the connection and protrudes downward. The rear surface of the bracket is extended to be connected with the line switch while the front surface of the close adjustment is inserted into the bracket, An unlocking device for a line switch which is engaged with an unlocking device on a circumferential surface to operate between a bracket and a connection,
A fastening part 11 is screwed on a circumferential surface of the tightening control gap 6 and a gap adjusting part 12 is integrally extended to the rear surface of the fastening part 11 so that the bracket 5 of the inter- And a rotary projection 11a in the form of a screw thread is continuously protruded on the circumferential surface of the coupling part 11. A tight contact groove 13 is formed in the coupling part 11, A plurality of anti-rotation blades 14 are formed in the outer circumferential direction on the outer side of the rotation preventing blades 13, and at an end portion where the anti-rotation blades 14 and the anti-rotation blades 14 are connected, And an upper inner surface of the rotation preventing jaw 15 is cut at an outer end of the rotation preventing blade 14 to form a gap adjusting member 10 );
The inside is pierced so that the inside of the base 21 is inserted into the circumferential surface of the contact adjustment gap 6 and the first and second contact portions 22 and 23 protrude from the front surface and the rear surface of the base 21 The first tight contact portion 22 is inserted into the contact groove 13 of the fastening portion 11 and inserted into the key groove 7 formed inside the circumferential surface of the contact adjustment gap 6 to control the rotation. A rotation preventing key 24 protrudes inside the two tight contact portions 22 and 23 and is provided with a rotation preventing key 24 on the inner side of the base 21 located on the bottom peripheral surface of the first and second tight contact portions 22 and 23. [ And the first wing 26 is formed by cutting the lower end of the base 21 where the cutout groove 25 is located so that the first wing 26 is bent down The groove 25 is formed to be short in the left direction so as to be in tight contact with the rotation preventing step 15 of the fastening portion 11 to prevent the forward rotation and the cutout groove 25 is formed in the right side Elongated A release preventing washer 20;
A contact groove 32 is formed on the inside of the front surface so that the second contact portion 23 of the base 21 is inserted into the fixing portion 31, A plurality of anti-rotation blades 33 are formed in the circumferential direction on the outer surface of the contact groove 32, and the anti-rotation blades 33 and the anti-rotation blades 33 And an upper inner surface of the rotation preventing jaw 34 is cut at an outer end of the rotation preventing blade 33 to form a cutting surface The fixing member 30 is integrally formed with the rotation preventing jaw 34 to prevent the second wing 27 of the base 21 from coming into close contact with the rotation preventing jaw 34 to prevent reverse rotation. And
The protrusions 43a which are the same as the rotation protrusions 11a and 31a of the fixing part 11 and the fixing part 31 are integrally formed on the inner side of the front surface of the tongue 43, A grip 42 and a grip 43 are integrally formed on the front and back surfaces of the center shaft 41. The inside of the gripper 43 is semicircular and the upper and lower portions are separated from each other, And the projections 43a are brought into close contact with the rotary projections 31a to perform fixing and separation of the fixing portions 31 of the fixing members 30 and the inner side surfaces An adjusting tool 40 which protrudes in a semicircular shape and is inserted between the fixing portion 31 and the second blade 27 to quickly perform the fastening operation of the fixing member 30;
And an unlocking device for unlocking the line converter. The apparatus according to claim 1, characterized in that an upper height of the rotation preventing step (15) of the fastening part (11) is formed to be lower than a height of the rotation preventing step (15) . A bracket is installed between the connection between the tongue rail and the connection and protrudes downward. The rear surface of the bracket is extended to be connected with the line switch while the front surface of the close adjustment is inserted into the bracket, An unlocking device for a line switch which is engaged with an unlocking device on a circumferential surface to operate between a bracket and a connection,
The fastening part 110 is screwed on the circumferential surface of the adhesion adjusting part 6 and the gap adjusting part 120 is integrally extended to the rear surface of the fastening part 110 so that the bracket 5 of the inter- A space adjusting member 100 which is in tight contact with the coupling part 110 and in which a rotation protrusion 110a is continuously protruded on the circumferential surface of the coupling part 110 and a tight groove 130 is formed in the coupling part 110;
The inside of the base 210 is penetrated so that the inside of the base 210 is inserted into the circumferential surface of the adhesion control gap 6 and the first and second adhesion portions 220 and 230 protrude from the front and back surfaces of the base 210 The first tight fitting part 220 is inserted into the tight fitting groove 130 of the fastening part 110 and inserted into the key groove 7 formed inside the circumferential surface of the tight fitting adjustment gap 6 to control the rotation, A rotation prevention key 240 protrudes from the inside of the two tight contact portions 220 and 230 and is provided inside the base 210 located on the lower circumferential surface of the first and second tight contact portions 220 and 230, The first wing 260 is formed by cutting the lower end of the base 210 in which the cutout groove 250 is located and the first wing 260 is formed by cutting An unlocking washer 200 having a groove 250 extending to the right side; And
A contact groove 320 is formed so that the second contact portion 230 of the base 210 is in close contact with the inside of the fixing portion 310 and a rotation protrusion 310a is continuously formed on the circumferential surface of the fixing portion 310 A plurality of anti-rotation blades 330 are formed in the circumferential direction on the outer side of the contact groove 320, and a plurality of anti-rotation blades 330 are formed on the outer side of the contact groove 320, And a cutting surface 350 formed by cutting the upper inner surface of the anti-rotation protuberance 340 at the outer end of the anti-rotation vane 330 is integrally formed with the anti-rotation protuberance 340, And the rotation preventing jaw 340 includes a fixing member 300 for preventing reverse rotation while the first wing 260 of the base 210 is in close contact with the first wing 260. And
The clamping part 110 and the protrusion 43a identical to the rotation protrusions 110a and 310a of the fixing part 310 are integrally formed on the inner side of the front surface of the clamp 43, A grip 42 and a grip 43 are integrally formed on the front and back surfaces of the center shaft 41. The inside of the gripper 43 is semicircular and the upper and lower portions are separated from each other, And the protrusion 43a is in close contact with the rotation protrusion 310a to fix and separate the fixing portion 310 of the fixing member 300. The inner side surface An adjustment tool 40 that protrudes in a semicircular shape and is inserted between the fixing portion 310 and the second blade 270 to quickly perform the fastening operation of the fixing member 300;
And an unlocking device for unlocking the line converter. delete delete delete delete
KR1020150087671A 2015-06-19 2015-06-19 Apparatus for keeping nut tighten for turn-out branching-off point and crossing KR101656189B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240049749A (en) 2022-10-10 2024-04-17 방지철 Apparatus of tighten key washer between bolt and nut for preventing untied with fixed heavy weight
KR20240049750A (en) 2022-10-10 2024-04-17 방지철 Structure of tighten key washer between bolt and nut for preventing untied with multi step

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101007300B1 (en) * 2009-09-02 2011-01-13 (주)이시스이엔지 Bolt and nut's tighten structure
KR101032118B1 (en) 2010-09-06 2011-05-02 (주)이시스이엔지 Apparatus for keeping nut tighten for turn-out branching-off point and crossing
KR101354497B1 (en) * 2012-10-09 2014-02-04 주식회사 이노뷰 A multi-function tool with pliers storage function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101007300B1 (en) * 2009-09-02 2011-01-13 (주)이시스이엔지 Bolt and nut's tighten structure
KR101032118B1 (en) 2010-09-06 2011-05-02 (주)이시스이엔지 Apparatus for keeping nut tighten for turn-out branching-off point and crossing
KR101354497B1 (en) * 2012-10-09 2014-02-04 주식회사 이노뷰 A multi-function tool with pliers storage function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240049749A (en) 2022-10-10 2024-04-17 방지철 Apparatus of tighten key washer between bolt and nut for preventing untied with fixed heavy weight
KR20240049750A (en) 2022-10-10 2024-04-17 방지철 Structure of tighten key washer between bolt and nut for preventing untied with multi step

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