CN110940262A

CN110940262A - Track position sensor

Info

Publication number: CN110940262A
Application number: CN201911257794.9A
Authority: CN
Inventors: 茹新华; 齐东合; 田本强; 秦四祥; 刘中华; 胡遵宁; 吴军杰
Original assignee: Shandong Dongshan Mining Industry Co Ltd
Current assignee: Shandong Energy Group Luxi Mining Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-03-31
Anticipated expiration: 2039-12-10
Also published as: CN110940262B

Abstract

The invention discloses a track position sensor which comprises an upper shell, a first clamping block and a mounting seat, wherein a lower shell is installed on the inner side of the mounting groove, first clamping grooves are formed in two sides of the lower shell, insulating inner shells are arranged on the inner sides of the upper shell and the lower shell, a steel plate is installed at the bottom end of the inner portion of the lower shell, common magnets are installed on two sides of the top end of the steel plate, a partition plate is installed at the top end of each common magnet, strong magnets are installed on two sides of the top end of the partition plate, and magnetic coils are arranged on the outer sides of the strong magnets. According to the invention, the steel plate is arranged at the bottom end in the lower shell, the common magnets are arranged on two sides of the top end of the steel plate, and the partition plate is arranged at the top end of the common magnets, so that the two common magnets fixed on the steel plate and the partition plate form two short magnetic circuit magnetic fields which are relatively closed, electromagnetic interference from the outside can be effectively resisted, the working magnetic field is prevented from being influenced by the external electromagnetic interference, and the signal output is more stable and reliable.

Description

Track position sensor

Technical Field

The invention relates to the technical field of track position sensor equipment, in particular to a track position sensor.

Background

The conventional track sensor for acquiring train running state information of railways in China is mostly a magnetoelectric sensor and mainly comprises a permanent magnet and a coil wound on the permanent magnet, when a train wheel passes through a magnetic field of a permanent magnet loop of the track sensor, magnetic flux changes, and induced pulse voltage can be generated in the coil wound on the permanent magnet. The defects of the currently used track sensor are as follows: most of them are single information, and more than three sets of sensors must be installed for counting axes, measuring speed and measuring direction. The installation is inconvenient, and is with high costs, and magnetic structure is unreasonable, and the interference killing feature is poor. Today, the rapid development of science and technology cannot meet the requirements of refinement, simplification, high reliability and high stability of modern railway information construction in a severe complex railway environment;

moreover, the conventional track position sensor does not have the functions of good waterproof and sealing performance, capability of withstanding a severe environment, pressure resistance and corrosion resistance of a shell, prolonging the service life of the sensor and facilitating installation.

Disclosure of Invention

The invention aims to provide a track position sensor, which aims to solve the functional problems that the track position sensor provided in the background art does not have good waterproof and sealing performance, long service life and convenience in installation.

In order to achieve the purpose, the invention provides the following technical scheme: a track position sensor comprises an upper shell, a first clamping block and a mounting seat, wherein the top end of the mounting seat is provided with a mounting groove, cavities are arranged on two sides of the mounting groove, a lower shell is arranged on the inner side of the mounting groove, first clamping grooves are arranged on two sides of the lower shell, the first clamping grooves and the first clamping block cooperate with each other to form a fixed structure, insulating inner shells are arranged on the inner sides of the upper shell and the lower shell, a steel plate is arranged at the bottom end of the inner part of the lower shell, common magnets are arranged on two sides of the top end of the steel plate, a partition plate is arranged at the top end of each common magnet, strong magnets are arranged on two sides of the top end of each partition plate, magnetic coils are arranged on the outer sides of the strong magnets, through pipes are arranged on two sides between two ends of the upper shell and the lower shell, heat conducting blocks are uniformly arranged on the inner sides of the upper shell and the, and the top end of the connecting block is provided with a first fastening bolt.

Preferably, all through the first fixture block of first spring fixedly connected with on the inner wall of one side of cavity, and the stopper is all installed on the top of first fixture block, the top of cavity top mount pad all is provided with spacing hole, and the top of stopper all runs through the top that spacing hole extended to the mount pad, the second spring is all installed to the top of stopper one side, and the fixed block is all installed on the top of second spring side mount pad.

Preferably, the top of casing is provided with the second recess down, and the inboard of second recess installs the sealing washer, the casing is installed on the top of sealing washer, and the below of going up the casing both sides all is provided with the guide plate.

Preferably, first installation blocks are installed below the inner walls of the two sides of the upper shell, second installation blocks are installed above the inner walls of the two sides of the lower shell below the first installation blocks, first grooves are formed in the two sides of the bottom end of the lower shell, second fastening bolts are installed on the inner sides of the first grooves, and the top ends of the second fastening bolts penetrate through the inner sides of the first installation blocks and the second installation blocks.

Preferably, all install the third installation piece on the both sides inner wall of the inboard insulating inner shell of last casing, and the both sides inner wall of the insulating inner shell of third installation piece below all installs the fourth installation piece, the bottom of third installation piece all is provided with the second fixture block, and the top of fourth installation piece all is provided with the second draw-in groove, the second draw-in groove cooperatees with the second fixture block each other, constitutes fixed knot and constructs, and the both sides inner wall of second draw-in groove all is through third spring fixedly connected with lug.

Preferably, the inside of going up casing and lower casing all evenly is provided with triangular supports frame, and goes up the outer wall of casing and lower casing and all is provided with the polyethylene coating, the outside of polyethylene coating all is provided with nanometer stoving lacquer layer, and the inner wall of going up casing and lower casing all is provided with the polyimide insulation film.

Compared with the prior art, the invention has the beneficial effects that:

(1) the sealing ring, the second groove, the upper shell, the lower shell, the guide plate, the first groove, the second fastening bolt, the insulating inner shell, the second mounting block, the first mounting block, the second clamping groove, the third spring and the convex block are fixed in the second groove through the sealing ring to realize the filling between the gaps of the upper shell and the lower shell, thereby realizing the sealing effect, the guide plate has the flow guiding effect, so that rainwater cannot enter the shell, thereby avoiding the water from entering the shell, the second fastening bolt is arranged in the first groove, and passes through the second mounting block and the first mounting block to realize the fastening mounting between the upper shell and the lower shell, the second clamping block is clamped in the second clamping groove to be fixed, after the third spring is reset, the convex block is clamped on the two sides of the second clamping block to be locked, thereby realizing the secondary fixing effect, the stability and the sealing performance of the sensor are ensured by fixing the insulating inner shells;

(2) meanwhile, the device is provided with a limiting block, a first spring, a limiting hole, a first clamping block, a cavity, a mounting groove and a first clamping groove, the first spring is extruded and deformed by moving the limiting block, the limiting block moves in the limiting hole to drive the first clamping block to move simultaneously, when the limiting block is moved outwards, the first clamping block moves towards the inner side of the cavity, so that a sensor is conveniently mounted in the mounting groove, after hands are loosened, the first spring resets and extends to enable the first clamping block to return to the original position, and the first clamping block is clamped in the first clamping groove to mount the sensor;

(3) the device is through installing the triangular supports frame simultaneously, the polyethylene coating, nanometer baking varnish layer and polyimide insulating film, through setting up the triangular supports frame, realize resistance to compression non-deformable's effect, it is more firm to make the sensor, through being provided with the polyethylene coating, realize shell anticorrosion's effect, through being provided with nanometer baking varnish layer, the nanometer surface is very fine and close, the spot can not permeate the inside of molecule, when the rainwater washes, the spot can drop along with the rainwater is natural, the anti-soil is effectual, through the polyimide insulating film, the polyimide insulating film has insulating effect, guarantee the stability that the sensor used, make the sensor can adapt to external rugged environment, long service life.

Drawings

FIG. 1 is a schematic cross-sectional view of the apparatus of the present invention;

FIG. 2 is a schematic diagram of the front view structure of the apparatus of the present invention;

FIG. 3 is a schematic view of the housing structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

FIG. 5 is an enlarged view of the structure at B of the present invention;

in the figure: 1. a limiting hole; 2. a first spring; 3. a fixed block; 4. a second spring; 5. an upper housing; 6. a strong magnet; 7. using a magnetic coil; 8. pipe passing; 9. a limiting block; 10. a cavity; 11. a first clamping block; 12. a first card slot; 13. a lower housing; 14. an insulating inner case; 15. a partition plate; 16. a steel plate; 17. a common magnet; 18. a mounting seat; 19. a heat conducting block; 20. a first groove; 21. mounting grooves; 22. a baffle; 23. a first fastening bolt; 24. connecting blocks; 25. a triangular support frame; 26. a polyethylene coating; 27. a nano baking paint layer; 28. a polyimide insulating film; 29. a seal ring; 30. a first mounting block; 31. a second mounting block; 32. a second fastening bolt; 33. a second groove; 34. a third mounting block; 35. a second fixture block; 36. a bump; 37. a fourth mounting block; 38. a second card slot; 39. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a track position sensor comprises an upper shell 5, a first fixture block 11 and a mounting seat 18, wherein the top end of the mounting seat 18 is provided with a mounting groove 21, and two sides of the mounting groove 21 are provided with cavities 10;

a first fixture block 11 is fixedly connected to the inner wall of one side of the cavity 10 through a first spring 2, a limiting block 9 is mounted at the top end of the first fixture block 11, limiting holes 1 are formed in the top end of an installation seat 18 above the cavity 10, the top end of the limiting block 9 penetrates through the limiting holes 1 and extends to the upper side of the installation seat 18, a second spring 4 is mounted above one side of the limiting block 9, a fixing block 3 is mounted at the top end of the installation seat 18 on one side of the second spring 4, the first spring 2 is extruded and deformed by moving the limiting block 9, the limiting block 9 moves in the limiting holes 1, so that the first fixture block 11 is driven to move simultaneously, when the limiting block 9 is moved outwards, the first fixture block 11 moves towards the inner side of the cavity 10, so that a sensor can be mounted in the installation groove 21 conveniently, and after hands are loosened, the first spring 2 resets and extends to enable the;

a lower shell 13 is arranged on the inner side of the mounting groove 21, first clamping grooves 12 are formed in two sides of the lower shell 13, and the first clamping grooves 12 and the first clamping blocks 11 are mutually matched to form a fixing structure;

a second groove 33 is formed in the top end of the lower shell 13, a sealing ring 29 is mounted on the inner side of the second groove 33, the upper shell 5 is mounted on the top end of the sealing ring 29, flow guide plates 22 are arranged below two sides of the upper shell 5, the sealing ring 29 is fixed in the second groove 33, gaps between the upper shell 5 and the lower shell 13 are filled, sealing is achieved, the flow guide plates 22 have the flow guide effect, rainwater cannot enter the shell, and water entering into the shell is avoided;

the lower parts of the inner walls of the two sides of the upper shell 5 are respectively provided with a first mounting block 30, the lower parts of the first mounting blocks 30 are respectively provided with a second mounting block 31 above the inner walls of the two sides of the lower shell 13, the two sides of the bottom end of the lower shell 13 are respectively provided with a first groove 20, the inner sides of the first grooves 20 are respectively provided with a second fastening bolt 32, the top ends of the second fastening bolts 32 respectively penetrate through the inner sides of the first mounting blocks 30 and the second mounting blocks 31, the second fastening bolts 32 are mounted in the first grooves 20, and the second fastening bolts 32 penetrate through the inner parts of the second mounting blocks 31 and the first mounting blocks 30, so that the upper shell 5 and the lower shell 13 are fastened and mounted;

the inner sides of the upper shell 5 and the lower shell 13 are both provided with an insulating inner shell 14, the bottom end inside the lower shell 13 is provided with a steel plate 16, two sides of the top end of the steel plate 16 are both provided with a common magnet 17, the top end of the common magnet 17 is provided with a partition plate 15, two sides of the top end of the partition plate 15 are both provided with a strong magnet 6, and the outer side of the strong magnet 6 is provided with a magnetic coil 7;

third mounting blocks 34 are mounted on inner walls of two sides of an inner insulating shell 14 on the inner side of the upper shell 5, fourth mounting blocks 37 are mounted on inner walls of two sides of the inner insulating shell 14 below the third mounting blocks 34, second clamping blocks 35 are arranged at bottom ends of the third mounting blocks 34, second clamping grooves 38 are arranged at top ends of the fourth mounting blocks 37, the second clamping grooves 38 and the second clamping blocks 35 cooperate to form a fixed structure, protruding blocks 36 are fixedly connected to inner walls of two sides of the second clamping grooves 38 through third springs 39, the second clamping blocks 35 are clamped in the second clamping grooves 38 for fixing, and the protruding blocks 36 are locked on two sides of the second clamping blocks 35 after the third springs 39 return, so that a secondary fixing effect is achieved, the inner insulating shells 14 are fixed, and stability and sealing performance of the sensor are guaranteed;

both sides between the two ends of the upper shell 5 and the lower shell 13 are provided with through pipes 8, the inner sides of the upper shell 5 and the lower shell 13 on the outer walls of the through pipes 8 are uniformly provided with heat conducting blocks 19, both sides of the two ends of the mounting seat 18 are provided with connecting blocks 24, and the top ends of the connecting blocks 24 are provided with first fastening bolts 23;

the triangular supports 25 are uniformly arranged inside the upper shell 5 and the lower shell 13, the outer walls of the upper shell 5 and the lower shell 13 are respectively provided with a polyethylene coating 26, the outer sides of the polyethylene coatings 26 are respectively provided with a nano baking paint layer 27, the inner walls of the upper shell 5 and the lower shell 13 are respectively provided with a polyimide insulating film 28, the triangular supports 25 are arranged to realize the effects of resisting pressure and deformation and enabling the sensor to be firmer, the polyethylene coatings 26 are arranged to realize the corrosion resistance effect of the shell, the nano baking paint layer 27 is arranged, the nano surface is very compact, stains cannot permeate into the molecule, and can naturally fall off along with rainwater when being washed by rainwater, the anti-fouling effect is good, the polyimide insulating film 28 has the insulating effect, the use stability of the sensor is ensured, and the sensor can adapt to the severe external environment, the service life is long.

The working principle is as follows: when the sensor mounting device is used, the first spring 2 is extruded and deformed by moving the limiting block 9, the limiting block 9 moves in the limiting hole 1, so that the first clamping block 11 is driven to move simultaneously, when the limiting block 9 moves outwards, the first clamping block 11 moves towards the inner side of the cavity 10, so that a sensor can be conveniently mounted in the mounting groove 21, after hands are loosened, the first spring 2 resets and extends, the first clamping block 11 returns to the original position, and the first clamping block 11 is clamped in the first clamping groove 12 to mount the sensor;

the sealing ring 29 is fixed in the second groove 33, so that the gap between the upper shell 5 and the lower shell 13 is filled, the sealing effect is realized, the guide plate 22 has the flow guide effect, rainwater cannot enter the shell, and water can be prevented from entering the shell, the second fastening bolt 32 is installed in the first groove 20, the second fastening bolt 32 penetrates through the second installation block 31 and the first installation block 30, the fastening installation between the upper shell 5 and the lower shell 13 is realized, the second fixture block 35 is clamped in the second clamping groove 38 for fixing, the convex block 36 is clamped on two sides of the second fixture block 35 for locking after the third spring 39 is reset, the secondary fixing effect is realized, the insulation inner shell 14 is fixed, and the stability and the sealing performance of the sensor are ensured;

through setting up triangular supports frame 25, realize resistance to compression non-deformable's effect, make the sensor more firm, through being provided with polyethylene coating 26, realize the anticorrosive effect of shell, through being provided with nanometer stoving lacquer layer 27, the nanometer surface is very fine and close, the spot can not permeate into inside the molecule, when the rainwater washes, the spot can drop along with the rainwater is natural, the anti-soil is effectual, through polyimide insulating film 28, polyimide insulating film 28 has insulating effect, guarantee the stability that the sensor used, make the sensor can adapt to external abominable environment, long service life.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A track position sensor, includes upper housing (5), first fixture block (11) and mount pad (18), its characterized in that: the mounting structure is characterized in that a mounting groove (21) is formed in the top end of the mounting seat (18), cavities (10) are formed in two sides of the mounting groove (21), a lower shell (13) is installed on the inner side of the mounting groove (21), first clamping grooves (12) are formed in two sides of the lower shell (13), the first clamping grooves (12) and first clamping blocks (11) cooperate with each other to form a fixed structure, an insulating inner shell (14) is arranged on the inner sides of the upper shell (5) and the lower shell (13), a steel plate (16) is installed at the bottom end of the inner portion of the lower shell (13), common magnets (17) are installed on two sides of the top end of the steel plate (16), a partition plate (15) is installed at the top end of the common magnets (17), strong magnets (6) are installed on two sides of the top end of the partition plate (15), magnetic coils (7) are arranged on the outer side of the strong magnets (6), through pipes (8) are arranged on two sides of, and all evenly install heat conduction piece (19) in the inboard of casing (5) and lower casing (13) on siphunculus (8) outer wall, connecting block (24) are all installed to the both sides at mount pad (18) both ends, and first fastening bolt (23) are all installed on the top of connecting block (24).

2. A track position sensor as claimed in claim 1, wherein: all through the first fixture block (11) of first spring (2) fixedly connected with on the one side inner wall of cavity (10), and stopper (9) are all installed on the top of first fixture block (11), the top of cavity (10) top mount pad (18) all is provided with spacing hole (1), and the top of stopper (9) all runs through spacing hole (1) and extends to the top of mount pad (18), second spring (4) are all installed to the top of stopper (9) one side, and fixed block (3) are all installed on the top of second spring (4) one side mount pad (18).

3. A track position sensor as claimed in claim 1, wherein: the top of lower casing (13) is provided with second recess (33), and sealing washer (29) are installed to the inboard of second recess (33), casing (5) are installed on the top of sealing washer (29), and all are provided with guide plate (22) to the below of going up casing (5) both sides.

4. A track position sensor as claimed in claim 1, wherein: go up casing (5) both sides inner wall's below and all install first installation piece (30), and first installation piece (30) below casing (13) both sides inner wall's top all installs second installation piece (31), the both sides of casing (13) bottom all are provided with first recess (20) down, and the inboard of first recess (20) all installs second fastening bolt (32) to the inboard of first installation piece (30) and second installation piece (31) is all run through on the top of second fastening bolt (32).

5. A track position sensor as claimed in claim 1, wherein: go up all to install third installation piece (34) on the both sides inner wall of casing (5) inboard insulating inner shell (14), and fourth installation piece (37) are all installed to the both sides inner wall of third installation piece (34) below insulating inner shell (14), the bottom of third installation piece (34) all is provided with second fixture block (35), and the top of fourth installation piece (37) all is provided with second draw-in groove (38), second draw-in groove (38) and second fixture block (35) mutually support, constitute fixed knot and construct, and the both sides inner wall of second draw-in groove (38) all is through third spring (39) fixedly connected with lug (36).

6. A track position sensor as claimed in claim 1, wherein: go up the inside of casing (5) and casing (13) down and all evenly be provided with triangular supports frame (25), and the outer wall of going up casing (5) and casing (13) down all is provided with polyethylene coating (26), the outside of polyethylene coating (26) all is provided with nanometer baking varnish layer (27), and the inner wall of going up casing (5) and casing (13) down all is provided with polyimide insulation film (28).