CN209623925U - From centering switch convert resistance sensor - Google Patents

From centering switch convert resistance sensor Download PDF

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Publication number
CN209623925U
CN209623925U CN201920666046.5U CN201920666046U CN209623925U CN 209623925 U CN209623925 U CN 209623925U CN 201920666046 U CN201920666046 U CN 201920666046U CN 209623925 U CN209623925 U CN 209623925U
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China
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induction coil
fork
pull rod
shaped iron
pin
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CN201920666046.5U
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Chinese (zh)
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王安
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Shaanxi luide road and Bridge Technology Co., Ltd
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Shaanxi Yingtaihe Electronic Technology Co Ltd
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Abstract

The utility model provides a kind of from centering switch convert resistance sensor, including cylindrical pin and induction coil, induction coil is arranged around the circumferential direction of cylindrical pin, and when cylindrical pin is inserted into fork-shaped iron and acts the pin hole of pull rod, induction coil is located in the pin hole of fork-shaped iron and/or the pin hole of movement pull rod;Induction coil is respectively provided with the first section in the opposite two side walls in its active force induction direction and forms two power contact zones with adjacent with the first section two side walls on induction coil, first section is vertical with the active force of induction coil induction direction, when acting pull rod to fork-shaped iron application active force, two power contact zones are contacted with the hole wall of fork-shaped iron and/or the pin hole for acting pull rod.To effectively reduce the hole wall contact area of induction coil with fork-shaped iron and the pin hole for acting pull rod, under the active force of movement pull rod, the resultant direction for acting on movement pull rod on fork-shaped iron by cylindrical pin is overlapped with the active force of induction coil induction direction or close to being overlapped, effectively improves the accuracy of track switch items conversion resistance force detection.

Description

From centering switch convert resistance sensor
Technical field
The utility model relates to railway maintenance apparatus fields, pass in particular to one kind from centering switch convert resistance Sensor.
Background technique
In railroad train operational process and when entering the station or is outbound, requires transformation on different tracks and run.Track It is provided with track switch at conversion, the conversion of track switch can be realized automatically to guarantee the safe and efficient operation of train by goat.
And track switch is after the long period that works, since the conversion resistance force that roadbed or other reasons will lead to track switch increases, and The force limited of goat, switch resistance will affect goat normal work, eventually lead to track switch translation exception, shadow after increasing It rings and arrives traffic safety.Track switch conversion includes unlock, three conversion, locking processes, and in order to guarantee the traffic safety of train, it is fixed to need Phase detects the various mechanics parameters of the work of track switch, specifically includes resistance when static force under locking states, track switch normal conversion Bounce, the frictional force of conversion process and the conversion process of power, goat maximum output power (frictional force), tongue after unlock Card resistance power.The value of these mechanics parameters and the operation conditions of track switch are directly related, many failures of track switch also with these mechanics Parameter association.Therefore, turnout work situation is understood and grasped by these mechanics parameters of periodic measurement, and is converted and hindered in track switch When power exceeds normal range (NR), corresponding maintenance is carried out to make switch convert resistance be restored to normal model to track switch and roadbed It encloses.
Currently, the movement pull rod of goat and the fork-shaped iron connection of track switch are to drag track switch conversion, movement pull rod passes through Connecting pin is connect with fork-shaped iron, and when detecting switch convert resistance, connecting pin is extracted, in the movement pull rod of goat and track switch The pin hole interpolation of the connecting portion of fork-shaped iron enters switch convert resistance sensor, and the sensor shape is similar with connecting pin, passes through The sensor can be detected drag size when goat pulls track switch.
Existing switch convert resistance sensor has specific active force detection direction, and the direction is generally sensor spy Fixed diametrical direction, and the outer diameter of the induction coil on sensor and the internal diameter of movement pull rod or the pin hole of fork-shaped iron are very close, Pin hole to make induction coil and act pull rod or fork-shaped iron is difficult to realize point contact, in addition during atual detection, due to Operator shakes in installation or test process, is difficult the active force detection direction of sensor and movement pull rod and fork-shaped iron Between force direction alignment, therefore the active force detected can have certain deviation, to influence switch convert resistance The accuracy of detection finally causes misjudgment to the maintenance construction of maintenance worker.
Utility model content
The main purpose of the utility model is to provide one kind from centering switch convert resistance sensor, to solve existing skill There is detection direction deviation and cause prohibited data detection true in the switch convert resistance sensor in art.
To achieve the goals above, the utility model provides a kind of from centering switch convert resistance sensor, comprising: column Shape pin, for being threaded through in the pin hole of the pin hole of the fork-shaped iron of railway switch and the movement pull rod of goat;Induction coil, induction coil Circumferential direction around cylindrical pin is arranged, and when cylindrical pin is inserted into the pin hole of fork-shaped iron and acts the pin hole of pull rod, induction coil is located at fork-shaped iron Pin hole and/or act pull rod pin hole in;Wherein, induction coil divides in the opposite two side walls in its first preset diameters direction Not Ju You the first section on induction coil two side walls adjacent with the first section form two power contact zones, act pull rod pair When fork-shaped iron applies active force, two power contact zones are contacted with the hole wall of fork-shaped iron and/or the pin hole for acting pull rod;First is default Diametrical direction is that the active force of induction coil incudes direction, and the first section is vertical with the first preset diameters direction.
Further, induction coil is multiple, and multiple induction coils are arranged along the axis direction interval of cylindrical pin;Wherein, cylindricality When selling in the pin hole of insertion fork-shaped iron and movement pull rod, multiple induction coils are located in the pin hole of fork-shaped iron and movement pull rod.
Further, each induction coil includes the first induction coil;Wherein, the pin of cylindrical pin insertion fork-shaped iron and movement pull rod When in hole, the first induction coil is located in the pin hole of fork-shaped iron.
Further, each induction coil further includes the second induction coil;Wherein, cylindrical pin insertion fork-shaped iron and movement pull rod When in pin hole, the second induction coil is located in the pin hole of movement pull rod;
Further, the first induction coil is two, and the second induction coil is one;Wherein, the second induction coil is located at two the Between one induction coil.
Further, induction coil is respectively provided with the second section in the opposite two side walls in its second preset diameters direction, Second preset diameters direction is vertical with the first preset diameters direction, and the second section is vertical with the second preset diameters direction;Wherein, two On the side wall of induction coil of a power contact zone between each first section and two adjacent the second sections.
Further, from centering switch convert resistance sensor further include: the first end of cylindrical pin is arranged in handle portion, When cylindrical pin is inserted into the pin hole of fork-shaped iron and movement pull rod, the lower end surface of handle portion is abutted with the upper surface of fork-shaped iron to position The axial position of cylindrical pin.
Further, from centering switch convert resistance sensor further include: the lower end surface of handle portion is arranged in magnet block, When cylindrical pin is inserted into the pin hole of fork-shaped iron and movement pull rod, magnet block is adsorbed on the upper surface of fork-shaped iron to position cylindrical pin Circumferential position.
Further, magnet block is multiple, and multiple magnet blocks are divided into two groups;Wherein, handle portion is cylinder, two groups of magnet Block is symmetrical arranged along the diametrical direction of handle portion.
Further, the second end of cylindrical pin offers lock pin holes, and lock pin holes are opened up along the diametrical direction of cylindrical pin.
Using technical solutions of the utility model from centering switch convert resistance sensor, including cylindrical pin and induction coil, Cylindrical pin is used to be threaded through in the pin hole of the pin hole of the fork-shaped iron of railway switch and the movement pull rod of goat;Induction coil is around cylindricality The circumferential setting of pin, when cylindrical pin is inserted into the pin hole of fork-shaped iron and acts the pin hole of pull rod, induction coil is located at the pin hole of fork-shaped iron And/or in the pin hole of movement pull rod;Wherein, induction coil is respectively provided in the opposite two side walls in its first preset diameters direction First section forms two power contact zones, the first preset diameters direction with adjacent with the first section two side walls on induction coil Direction is incuded for the active force of induction coil, and the first section is vertical with the first preset diameters direction, and movement pull rod applies fork-shaped iron When active force, two power contact zones are contacted with the hole wall of fork-shaped iron and/or the pin hole for acting pull rod.To effectively reduce induction coil Make two power under the active force of movement pull rod with the hole wall contact area of the pin hole of the pin hole and movement pull rod of fork-shaped iron Contact zone acts on fork-shaped iron and/or acts the active force induction side of the resultant direction and induction coil on the hole wall of the pin hole of pull rod To coincidence or close to being overlapped, to make the work for acting resultant direction and induction coil that pull rod is acted on by cylindrical pin on fork-shaped iron Firmly induction direction is overlapped or close to being overlapped, realize induction coil from alignment function.Effectively improve the inspection of track switch items conversion resistance force The accuracy of survey.Solving switch convert resistance sensor in the prior art leads to detection data there are detection direction deviation The problem of inaccuracy.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:
Fig. 1 is from centering switch convert resistance sensor according to the optional one kind of the utility model embodiment in railway switch Fork-shaped iron pin hole and goat movement pull rod pin hole in installation condition the schematic diagram of the section structure;And
Fig. 2 is from centering switch convert resistance sensor according to the optional one kind of the utility model embodiment in railway switch Fork-shaped iron pin hole and goat movement pull rod pin hole in installation condition side structure schematic diagram;
Fig. 3 is according to the utility model embodiment optionally from the first embodiment of centering switch convert resistance sensor The distributed architecture schematic diagram of first section;
Fig. 4 is according to the utility model embodiment optionally from the second embodiment of centering switch convert resistance sensor The distributed architecture schematic diagram of first section;
Fig. 5 is according to the utility model embodiment optionally from the first embodiment of centering switch convert resistance sensor The distributed architecture schematic diagram of second section;And
Fig. 6 is according to the utility model embodiment optionally from the second embodiment of centering switch convert resistance sensor The distributed architecture schematic diagram of second section.
Wherein, the above drawings include the following reference numerals:
10, cylindrical pin;11, lock pin holes;20, induction coil;21, the first induction coil;22, the second induction coil;23, it first cuts Face;24, power contact zone;25, the second section;30, fork-shaped iron;40, pull rod is acted;50, handle portion;60, magnet block.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
According to the utility model embodiment from centering switch convert resistance sensor, as shown in Figures 1 to 4, including column Shape pin 10 and induction coil 20, cylindrical pin 10 are used to be threaded through the pin hole of the fork-shaped iron 30 of railway switch and the movement pull rod of goat In 40 pin hole;Circumferential direction setting of the induction coil 20 around cylindrical pin 10, the pin hole and movement pull rod of the insertion fork-shaped iron 30 of cylindrical pin 10 When 40 pin hole, induction coil 20 is located in the pin hole of fork-shaped iron 30 and/or the pin hole of movement pull rod 40;Wherein, 20 edge of induction coil Be respectively provided in the opposite two side walls in its first preset diameters direction the first section 23 on induction coil 20 with the first section 23 adjacent two side walls form two power contact zones 24, and the first preset diameters direction is the active force induction side of induction coil 20 To the first section 23 is vertical with the first preset diameters direction, and when movement pull rod 40 applies active force to fork-shaped iron 30, two power are connect Touching area 24 is contacted with the hole wall of fork-shaped iron 30 and/or the pin hole for acting pull rod 40.To effectively reduce induction coil 20 and fork-shaped iron 30 pin hole and the hole wall contact area of pin hole for acting pull rod 40 connect two power under the active force of movement pull rod 40 Touching area 24 acts on fork-shaped iron and/or acts the active force induction side of the resultant direction and induction coil on the hole wall of the pin hole of pull rod To coincidence or close to being overlapped, to make to act resultant direction and induction that pull rod 40 is acted on by cylindrical pin 10 on fork-shaped iron 30 The active force induction direction of circle 20 is overlapped or close to being overlapped, realize induction coil 20 from alignment function.Effectively improve track switch items The accuracy of conversion resistance force detection.It solves switch convert resistance sensor in the prior art to lead there are detection direction deviation The problem for causing prohibited data detection true.
When it is implemented, induction coil 20 be it is multiple, multiple induction coils 20 along cylindrical pin 10 axis direction interval setting and Spacing is equal between two adjacent induction coils 20;Wherein, cylindrical pin 10 is inserted into the pin hole of fork-shaped iron 30 and movement pull rod 40 When, multiple induction coils 20 are located in the pin hole of fork-shaped iron 30 and movement pull rod 40 to by multiple Point location detection track switches Conversion resistance force.
Specifically, each induction coil 20 includes the first induction coil 21 and the second induction coil 22, and the first induction coil 21 is two, Second induction coil 22 is one, and the second induction coil 22 is located between two the first induction coils 21, and cylindrical pin 10 is inserted into fork-shaped iron 30 When in the pin hole of movement pull rod 40, two the first induction coils 21 are located in two pin holes of fork-shaped iron 30, the second induction Circle 22 is located in the pin hole of movement pull rod 40;To fork-shaped iron 30 and the first induction coil 21 and movement pull rod 40 and the second sense The active force that should be enclosed between 22 is detected to obtain the conversion resistance force of track switch.
In practical application, as shown in Figures 3 to 6, it is machined with the first section 23 on two the first induction coils 21, second Induction coil 22 can process the first section 23 or not process the first section 23.Each induction coil 20 processes the first section 23 The accuracy of track switch items conversion resistance force detection can be further increased.First section 23 can be plane, or direction The curved surface of the inner recess of the cylindrical pin 10 or setback face.
Further, as shown in Figures 3 to 6, induction coil 20 is in the opposite two side walls in its second preset diameters direction It is respectively provided with the second section 25, the second preset diameters direction is vertical with the first preset diameters direction, and the second section 25 and second is pre- If diametrical direction is vertical;Wherein, two power contact zones 24 of 23 two sides of the first section be located at each first section 23 with it is adjacent On the side wall of induction coil 20 between two the second sections 25.By processing the second section 25 on induction coil 20, connect power Touching area 24 concentrates on region narrow between the first section 23 and the second section 25, to apply in movement pull rod 40 to fork-shaped iron 30 When adding active force, further decreases two power contact zones 24 and fork-shaped iron 30 and act the hole wall contact surface of the pin hole of pull rod 40 Product, the force direction and induction coil 20 for finally making to act pull rod 40 from centering can be better achieved by making each induction coil 20 Active force induction direction be overlapped or to greatest extent close to be overlapped, improve track switch items conversion resistance force detection accuracy.
In practical application, as shown in Figures 3 to 6, it is machined with the second section 25 on two the first induction coils 21, second Induction coil 22 can process the second section 25 or not process the second section 25.Each induction coil 20 processes the second section 25 The accuracy of track switch items conversion resistance force detection can be further increased.
It further, further include handle portion 50 from centering switch convert resistance sensor, handle portion 50 is cylindrical housings The first end of cylindrical pin 10 is arranged in structure, handle portion 50, and electronic component is arranged in handle portion 50, and the signal wire of detecting instrument connects It is connected in handle portion 50 and is connect with the electronic component in handle portion 50.Cylindrical pin 10 is inserted into fork-shaped iron 30 and acts pull rod 40 When in pin hole, the lower end surface of handle portion 50 abuts to position the axial position of cylindrical pin 10 with the upper surface of fork-shaped iron 30 It sets, and then each induction coil 20 is navigated into scheduled detection position.
In addition, handle portion 50 is cylinder, in order to quickly position the circumferential direction of cylindrical pin 10 when being inserted into cylindrical pin 10 Position further includes magnet block 60 from centering switch convert resistance sensor, magnet block 60 be it is multipair, each pair of magnet block 60 is respectively provided with In the lower end surface of handle portion 50.For two magnet polarities of each pair of magnet block 60 on the contrary, i.e. one is the pole N, another is the pole S, is made Each pair of magnet block 60 has maximum magnetism.The magnet block 60 of the present embodiment is two pairs, and two pairs of magnet blocks 60 are along handle portion 50 Diametrical direction is symmetrical arranged, to make to adsorb dynamic balance.Cylindrical pin 10 is being inserted into fork-shaped iron 30 and is acting the pin hole of pull rod 40 When interior, each pair of magnet block 60 can be adsorbed on the upper surface of fork-shaped iron 30 to position the circumferential position of cylindrical pin 10, make each sense Should enclose 20 active force induction direction with act pull rod 40 force direction to greatest extent approach be overlapped.
In addition, making each induction coil 20 to be inserted into fork-shaped iron 30 and the pin hole for acting pull rod 40 in cylindrical pin 10 Circumferential position is further stablized, and the lower end surface of handle portion 50 is processed as rough surface, to increase and the upper surface of fork-shaped iron 30 Frictional resistance prevents cylindrical pin 10 from arbitrarily rotating, guarantees that each 20 position of induction coil is accurate.
Further, the second end of cylindrical pin 10 offers lock pin holes 11, diameter of the lock pin holes 11 along cylindrical pin 10 Direction opens up, and when cylindrical pin 10 is inserted into the pin hole of fork-shaped iron 30 and movement pull rod 40, passes through to be inserted into lock pin holes 11 and lock Rationed marketing is to prevent cylindrical pin 10 from surprisingly deviating from out of fork-shaped iron 30 and movement pull rod 40 pin hole.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of from centering switch convert resistance sensor characterized by comprising
Cylindrical pin (10), for being threaded through the pin of the pin hole of the fork-shaped iron (30) of railway switch and the movement pull rod (40) of goat In hole;
Induction coil (20), circumferential direction setting of the induction coil (20) around the cylindrical pin (10), cylindrical pin (10) insertion institute When stating the pin hole and the pin hole for acting pull rod (40) of fork-shaped iron (30), the induction coil (20) is located at the fork-shaped iron (30) Pin hole and/or it is described movement pull rod (40) pin hole in;
Wherein, the induction coil (20) is respectively provided with the first section in the opposite two side walls in its first preset diameters direction (23) two power contact zones (24) are formed with adjacent with first section (23) two side walls on the induction coil (20), When the movement pull rod (40) applies active force to the fork-shaped iron (30), two power contact zones (24) and the fork-shaped iron (30) and/or the hole wall of the pin hole of movement pull rod (40) contacts;
First preset diameters direction is that the active force of the induction coil (20) incudes direction, first section (23) and institute It is vertical to state the first preset diameters direction.
2. according to claim 1 from centering switch convert resistance sensor, which is characterized in that the induction coil (20) is Multiple, multiple induction coils (20) are arranged along the axis direction interval of the cylindrical pin (10);
Wherein, when the cylindrical pin (10) is inserted into the pin hole of the fork-shaped iron (30) and movement pull rod (40), Duo Gesuo Induction coil (20) is stated to be located in the pin hole of the fork-shaped iron (30) and movement pull rod (40).
3. according to claim 2 from centering switch convert resistance sensor, which is characterized in that each induction coil (20) include the first induction coil (21);
Wherein, when the cylindrical pin (10) is inserted into the fork-shaped iron (30) and the pin hole for acting pull rod (40), described the One induction coil (21) is located in the pin hole of the fork-shaped iron (30).
4. according to claim 3 from centering switch convert resistance sensor, which is characterized in that each induction coil It (20) further include the second induction coil (22);
Wherein, when the cylindrical pin (10) is inserted into the fork-shaped iron (30) and the pin hole for acting pull rod (40), described the Two induction coils (22) are located in the pin hole of movement pull rod (40).
5. according to claim 4 from centering switch convert resistance sensor, which is characterized in that first induction coil It (21) is two, second induction coil (22) is one;
Wherein, second induction coil (22) is located between two first induction coils (21).
6. according to claim 1 from centering switch convert resistance sensor, which is characterized in that induction coil (20) edge Be respectively provided with the second section (25) in the opposite two side walls in its second preset diameters direction, second preset diameters direction with First preset diameters direction is vertical, and second section (25) is vertical with second preset diameters direction;
Wherein, two power contact zones (24) are between each first section (23) and two adjacent the second sections (25) The induction coil (20) side wall on.
7. according to claim 1 from centering switch convert resistance sensor, which is characterized in that described to turn from centering track switch Change resistive force sensor further include:
Handle portion (50), is arranged the first end in the cylindrical pin (10), and the cylindrical pin (10) is inserted into the fork-shaped iron (30) When in the pin hole of movement pull rod (40), the lower end surface of the handle portion (50) and the upper surface of the fork-shaped iron (30) are supported It connects to position the axial position of the cylindrical pin (10).
8. according to claim 7 from centering switch convert resistance sensor, which is characterized in that described to turn from centering track switch Change resistive force sensor further include:
Magnet block (60), setting are inserted into the fork-shaped iron (30) in the lower end surface of the handle portion (50), the cylindrical pin (10) When in the pin hole of movement pull rod (40), the magnet block (60) is adsorbed on the upper surface of the fork-shaped iron (30) to position The circumferential position of the cylindrical pin (10).
9. according to claim 8 from centering switch convert resistance sensor, which is characterized in that the magnet block (60) is It is multipair;
Wherein, the handle portion (50) be cylinder, it is each to the magnet block (60) along the circumferentially-spaced of the handle portion (50) Setting.
10. according to claim 7 from centering switch convert resistance sensor, which is characterized in that the cylindrical pin (10) Second end offer lock pin holes (11), the lock pin holes (11) open up along the diametrical direction of the cylindrical pin (10).
CN201920666046.5U 2019-05-05 2019-05-05 From centering switch convert resistance sensor Active CN209623925U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920666046.5U CN209623925U (en) 2019-05-05 2019-05-05 From centering switch convert resistance sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920666046.5U CN209623925U (en) 2019-05-05 2019-05-05 From centering switch convert resistance sensor

Publications (1)

Publication Number Publication Date
CN209623925U true CN209623925U (en) 2019-11-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920666046.5U Active CN209623925U (en) 2019-05-05 2019-05-05 From centering switch convert resistance sensor

Country Status (1)

Country Link
CN (1) CN209623925U (en)

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Effective date of registration: 20211116

Address after: Room 10504, building 6, No. 9, Jinye Road, high tech Zone, Xi'an, Shaanxi 710075

Patentee after: Shaanxi luide road and Bridge Technology Co., Ltd

Address before: 710077 building 203, South District, Yingchun community, Lianhu District, Xi'an City, Shaanxi Province

Patentee before: Shaanxi yingtaihe Electronic Technology Co., Ltd

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