CN213902716U

CN213902716U - Horizontal installation transverse force test sensor

Info

Publication number: CN213902716U
Application number: CN202023350382.0U
Authority: CN
Inventors: 何正艾; 陈栋铭; 周预成
Original assignee: Changzhou Juzhuo Intelligent Technology Co ltd
Current assignee: Changzhou Juzhuo Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-06
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a horizontal installation transverse force test sensor, its monitoring and the train running state monitoring technology field that relates to the rail, including the strain block, the strain hole that is used for placing the foil gage is offered at the strain block top, the strain block both ends are fixed with first elastic block and second elastic block respectively, first elastic block is kept away from strain hole one end and is fixed with the first fixed block that is used for with rail waist butt, the second elastic block is kept away from strain hole one end and is fixed with the second fixed block that is used for with rail waist butt, first elastic block lateral wall is equipped with and is used for the cable of being connected with the foil gage electricity, be equipped with the positioning mechanism who is used for restricting first fixed block and second fixed block displacement on the rail. Through placing the strain block in rail one side, and then reduce the possibility that the vertical power of rail crosstalked the sensor, this application has the effect that improves the detection precision.

Description

Horizontal installation transverse force test sensor

Technical Field

The application relates to the technical field of rail monitoring and train running state monitoring, in particular to a horizontal installation transverse force test sensor.

Background

At present, in order to ensure the train running safety, the train running ground monitoring is more and more important, and a main mode of a train ground monitoring system is a train wheel snake-shaped movement and wheel set fault dynamic detection system. Train ground monitoring systems rely primarily on lateral force measuring sensors.

The wheel-rail force integrated test sensor and the rail fastener with the notice number of CN204188326U comprise a large base plate, an elastic strip fixing beam, a vertical force sensor and a transverse force sensor; the middle part of the large base plate is provided with a supporting part, and the transverse force sensor is fixed in the elastic strip fixing beam. The train moves on the rail, the train wheels rub the rail, the rail shakes to apply force to the elastic strip fixing beam, the elastic strip fixing beam deforms, and the deformation quantity is converted into an electric signal by the transverse force sensor to be output.

In view of the above-mentioned related art, the inventor thinks that the rail rocks from top to bottom, leads to the horizontal force sensor to rock from top to bottom, and then horizontal force sensor receives vertical force easily and crosstalks to lead to detecting the precision inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the detection precision is inaccurate due to the fact that the transverse force sensor is subjected to vertical force crosstalk, the application provides a horizontal force testing sensor installed horizontally.

The application provides a horizontal installation transverse force test sensor adopts following technical scheme:

the utility model provides a horizontal force test sensor of horizontal installation, includes the rail and sets up the strain gage on the rail, strain gage top is offered and is used for placing the strain gage and meet an emergency the hole, strain gage both ends are fixed with first elastic block and second elastic block respectively, first elastic block is kept away from strain hole one end and is fixed with the first fixed block that is used for with the rail waist butt, second elastic block is kept away from strain hole one end and is fixed with the second fixed block that is used for with rail waist butt, first elastic block lateral wall is equipped with and is used for the cable of being connected with the strain gage electricity, be equipped with the positioning mechanism who is used for restricting first fixed block and second fixed block displacement on the rail.

Through adopting above-mentioned technical scheme, through setting up positioning mechanism for the foil gage is fixed in guide rail one side, and the foil gage of being convenient for detects transverse force. Through placing the strain gauge block in rail one side, and then reduce the vertical power of rail and cross talk sensor's possibility to improve and detect the precision.

Optionally, the positioning mechanism includes two supporting seats abutted against the side wall of the rail guide rail, two supporting seats are all fixed with an upper jaw and a lower jaw at the bottom, two the upper jaw is abutted against the top of the guide rail respectively, two the lower jaw is abutted against the bottom of the guide rail respectively, the supporting seat is provided with a limiting component for limiting the upper jaw and the lower jaw to keep away from the strain block, two first bolts are all penetrated through the side wall of the supporting seat, two first bolts are all in threaded connection with second nuts, two the second nuts are respectively in abutted against one side of the rail waist with the two supporting seats, two first bolts are kept away from one end of the supporting seat and are respectively abutted against a first fixed block and a second fixed block, two ends of the first bolts close to the strain block are all fixed with apexes, and the first fixed block and the second fixed block are all provided with through holes for being inserted into the apexes.

Through adopting above-mentioned technical scheme, go up jack catch and lower jack catch centre gripping rail, and then reduce the supporting seat because of the rail rocks from top to bottom with the possibility of rail separation to reduce the condition emergence of first bolt and first fixed block and second fixed block separation. The top plays the effect of direction for first fixed block and second fixed block, reduces the possibility of first fixed block and the skew of second fixed block, reduces the condition that sensor and rail separate.

Optionally, spacing subassembly includes two pull rods that wear to locate two lower jack catchs respectively, two the jack catch keeps away from rail web of rail one side down and all is equipped with the first nut that is used for with pull rod threaded connection, two first nut is close to down equal butt in jack catch one side and has first packing ring, two first packing ring keeps away from first nut one side all with lower jack catch butt, two the pull rod is kept away from first nut one end and all is fixed with the montant that is used for keeping away from supporting seat one side butt with the guide rail, two the montant top all is fixed with the horizontal pole, two the horizontal pole bottom all with guide rail top butt, two the horizontal pole is fixed with the connecting rod that is used for with guide rail top butt. Through setting up first packing ring for first nut and support frame area of contact increase, thereby reduce the bolt and rock not hard up possibility because of the rail.

Through adopting above-mentioned technical scheme, through setting up spacing subassembly, the restriction slides about two support frames, reduces the support frame and keeps away from the possibility of rail because of rail transverse force to improve the stability of support frame.

Optionally, the through hole openings of the two through holes are provided with positioning grooves, positioning pins are fixed at ends of the two first bolts close to the strain block, ends of the two positioning pins close to the strain block are respectively fixedly connected with the two centers, the positioning pins are connected with the inner wall of the positioning grooves in a sliding manner, two second gaskets are abutted to one sides, away from the supporting seat, of the two second gaskets, sleeves are respectively fixed at one sides, away from the supporting seat, of the two second gaskets, limiting pipes are fixed at one sides, away from the supporting seat, of the two sleeves, the two limiting pipes are respectively embedded with the two positioning grooves, and the two centers are respectively embedded with the two through holes after penetrating through the sleeves.

Through adopting above-mentioned technical scheme, through setting up spacing pipe, increase the area of contact of first fixed block and second fixed block and sleeve pipe, reduce the possibility of first fixed block and second fixed block and sleeve pipe separation. The locating pin provides the supporting role for the fixed block, reduces the fixed block to top impact force, reduces top cracked possibility.

Optionally, two force transmission beams are fixedly connected to two sides of the strain block respectively, one side of each force transmission beam, far away from the strain block, is fixedly connected with the first elastic block and the second elastic block respectively, and the bottom of each strain hole is fixedly provided with a strain beam fixedly connected with the strain gauge.

By adopting the technical scheme, stress concentration is realized when force of the first elastic block and the second elastic block is transferred to force of the strain gauge by arranging the force transfer beam, so that the deformation amount of the strain gauge is increased, and the detection range of the strain gauge is enlarged. Compared with a sensor, the strain beam is small in size, large in deformation amount after being stressed, and further larger in deformation amount range received by the strain gauge, so that the detection range is larger.

Optionally, a first threading hole is formed in one side, far away from the rail web, of the first elastic block, and a second threading hole is formed in the first elastic block.

Through adopting above-mentioned technical scheme, through setting up first through wires hole and second through wires hole for the circuit can be placed inside the sensor, reduces the circuit and places the possibility that wets outside the sensor, improves the life of sensor.

Optionally, the strain block is located at the top of the strain hole and provided with a fixing groove, and a cover plate for sealing the strain hole is inserted into the fixing groove.

Through adopting above-mentioned technical scheme, through setting up the apron for the foil gage is in a sealed space, reduces the condition that the foil gage wets, further improves the life of sensor.

Optionally, a protective cover is arranged on the supporting seat, second bolts are respectively arranged on two sides of the protective cover in a penetrating mode, and the second bolts penetrate through the protective cover and then are in threaded connection with the supporting seat.

Through adopting above-mentioned technical scheme, through setting up the safety cover, reduce rainwater erosion metalwork, improve the life of bolt, reduce the maintenance cost.

Optionally, the first fixed block and the second fixed block are all fixed with insulating pad towards rail web one side, two insulating pad all with rail web butt.

Through adopting above-mentioned technical scheme, through setting up insulating pad for it is insulating between sensor and the first bolt, and then reduces the condition that railway signal voltage crosstalks the sensor signal, thereby improves the stability of sensor monitoring.

In summary, the present application includes at least one of the following beneficial technical effects:

by adopting the technical scheme, the strain block is fixed on one side of the guide rail by arranging the positioning mechanism, so that the strain gauge can detect the transverse force conveniently, and the strain block is placed on one side of the rail, so that the possibility of crosstalk of the vertical force of the rail on the sensor is reduced, and the detection accuracy is improved;

go up jack catch and lower jack catch centre gripping rail, and then reduce the supporting seat because of the rail rocks the possibility with the rail separation from top to bottom, and then reduces the condition that first fixed block and second fixed block were kept away from to first bolt. The top plays the effect of direction for first fixed block and second fixed block, reduces the possibility of first fixed block and the skew of second fixed block, reduces the condition that sensor and rail separate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic view of the sensor structure of the present embodiment.

Fig. 3 is a schematic view of the fixing mechanism installation of the present embodiment.

Fig. 4 is an overall operation diagram of the present embodiment.

Description of reference numerals: 1. a strain block; 11. strain holes; 111. fixing grooves; 112. a cover plate; 12. a strain beam; 2. a transfer beam; 3. a first elastic block; 31. a first threading hole; 311. a cable; 32. a second threading hole; 4. a second elastic block; 5. a first fixed block; 51. an insulating pad; 52. a fabrication hole; 53. a through hole; 54. positioning a groove; 6. a second fixed block; 7. a supporting seat; 71. an upper jaw; 72. a lower jaw; 73. a pull rod; 731. a vertical rod; 732. a cross bar; 733. a connecting rod; 74. a first nut; 75. a first gasket; 76. a first bolt; 761. positioning pins; 762. a tip; 763. a second nut; 764. a second gasket; 765. a sleeve; 766. a limiting pipe; 8. a protective cover; 81. a second bolt; 9. a rail; 91. a rail web; 92. a guide rail.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses horizontal installation transverse force test sensor. Referring to fig. 1 and 2, the horizontally installed transverse force testing sensor comprises a rail 9, a strain block 1 placed on the rail 9, two force transmission beams 2, a first elastic block 3, a second elastic block 4, a first fixing block 5 and a second fixing block 6, wherein two sides of the strain block 1 are fixedly connected with the two force transmission beams 2 respectively, one side, far away from the strain block 1, of the two force transmission beams 2 is fixedly connected with the first elastic block 3 and the second elastic block 4 respectively, one side, far away from the strain block 1, of the first elastic block 3 is fixedly connected with the first fixing block 5, one side, far away from the strain block 1, of the second elastic block 4 is fixedly connected with the second fixing block 6, the first fixing block 5 and the second fixing block 6 are abutted against a rail waist 91, and one sides, towards the rail waist 91, of the first fixing block 5 and the second fixing block 6 are knurled surfaces. The first fixing block 5 and the second fixing block 6 are fixed with insulating pads 51 towards the rail web 91, and the two insulating pads 51 are abutted against the rail web 91. Through setting up the knurling face, can increase the friction of fixed block and insulating pad 51, reduce insulating pad 51 because of rail 9 rocks the possibility with the fixed block separation. Strain hole 11 has been seted up at strain gauge 1 top, and strain hole 11 bottom is fixed with strain roof beam 12 for circular thin slice, and strain gage that the level was placed is installed at strain roof beam 12 top. The strain beam 12 is weaker than the strain gauge 1, the strain beam 12 is deformed more greatly after being stressed, and the deformation amount range received by the strain gauge is enlarged. The strain block 1 is positioned at the top of the strain hole 11 and is provided with a fixing groove 111, and a cover plate 112 for sealing the strain hole 11 is inserted into the fixing groove 111. A first threading hole 31 is formed in one side, far away from the rail web 91 of the rail 9, of the first elastic block 3, the first threading hole 31 is communicated with the strain hole 11, a cable 311 is inserted in the first threading hole 31, and the cable 311 is used for being electrically connected with the strain gauge. The first fixed block 5 is provided with a fabrication hole 52 along the length direction of the first fixed block 5, the first elastic block 3 is provided with a second threading hole 32 along the length direction of the first elastic block 3, the fabrication hole 52 is communicated with the second threading hole 32, and the second threading hole 32 is communicated with the strain hole 11.

Referring to fig. 1 and 3, two support seats 7 are arranged on one side of the strain block 1 away from the rail web 91 of the rail 9, an upper jaw 71 and a lower jaw 72 are fixed at the bottoms of the two support seats 7, the two upper jaws 71 are respectively abutted against the top of a rail 92 of the rail 9, and the two lower jaws 72 are respectively abutted against the bottom of the rail 92 of the rail 9. The upper jaw 71 and the lower jaw 72 are used for clamping a rail 9 guide rail 92 on one side and limiting the vertical movement of the support frame. Draw bars 73 are all worn to be equipped with along lower jack catch 72 length direction by two lower jack catches 72, and two lower jack catches 72 keep away from rail 9 web of rail 91 one side all to be equipped with and be used for with the first nut 74 of draw bar 73 threaded connection, and two first nuts 74 are close to the equal butt in jack catch 72 one side and have first packing ring 75 down, and two first packing rings 75 keep away from first nut 74 one side all with lower jack catch 72 butt. The first washer 75 is arranged to increase the force bearing area of the support base 7 and reduce the possibility of loosening the first nut 74. One end of each of the two pull rods 73, which is far away from the first nut 74, is fixedly provided with a vertical rod 731 which is used for being abutted against one side, which is far away from the support base 7, of the guide rail 92, the top end of each of the two vertical rods 731 is fixedly provided with a cross rod 732, the bottom of each of the two cross rods 732 is abutted against the top of the guide rail 92, and the inner side of each of the two cross rods 732 is fixedly provided with a connecting rod 733 which is used for being abutted against the top of the guide rail 92. The connecting rod 733 connects the two crossbars 732, so that the possibility that the two crossbars 732 approach or separate from each other is reduced, and the occurrence of deformation of the pull rod 73 is reduced. The two cross bars 732 can limit the vertical displacement of the pull rod 73, and the two vertical bars 731 and the pull rod 73 can clamp the rail 9 and the guide rail 92, so that the stability of the supporting seat 7 is improved.

Referring to fig. 2 and 3, the first fixing block 5 and the second fixing block 6 are both provided with a through hole 53 facing the rail web 91 of the rail 9, one side of the first fixing block 5 and the second fixing block 6 away from the guide rail 92 is provided with a positioning groove 54, and the positioning groove 54 is communicated with the through hole 53. First bolt 76 is all worn to be equipped with by two supporting seat 7 lateral walls, and two first bolts 76 are close to 1 one end of meeting an emergency and all are fixed with locating pin 761, and two locating pins 761 are close to 1 one end of meeting an emergency and all are fixed with top 762. The outer peripheral surface of the tip 762 is connected with the inner wall of the through hole 53 in a sliding manner, and the positioning pin 761 is connected with the inner wall of the positioning groove 54 in a sliding manner. The tip 762 and the positioning pin 761 play a guiding role for the first fixing block 5 and the second fixing block 6, so that the sensor can be stably attached to the rail web 91 of the guide rail 92. Two first bolts 76 all have threaded connection second nut 763, second nut 763 keeps away from locating pin 761 one side and butts with supporting seat 7, second nut 763 keeps away from supporting seat 7 one side butts with second packing ring 764, second packing ring 764 keeps away from supporting seat 7 one side and is fixed with sleeve 765, sleeve 765 keeps away from supporting seat 7 one side and is fixed with spacing pipe 766, spacing pipe 766 and constant head tank 54 gomphosis, sleeve 765 inner peripheral surface and top 762 peripheral surface are connected with sliding, top 762 passes sleeve 765 back and gomphosis with through-hole 53.

Referring to fig. 4, the supporting seat 7 is provided with a protective cover 8, two second bolts 81 which are oppositely arranged are respectively arranged on two sides of the protective cover 8 in a penetrating manner, and the second bolts 81 penetrate through the protective cover 8 and then are in threaded connection with the supporting seat 7.

The implementation principle of the horizontal installation transverse force test sensor in the embodiment of the application is as follows: an operator attaches the insulating pad 51 to the rail web 91 of the rail 9, attaches the knurled surface of the sensor to the side, away from the rail web 91 of the rail 9, of the insulating pad 51, then places the sensor on the side wall of the insulating pad 51, enables the driving tip 762 to be embedded with the through hole 53, enables the limiting pipe 766 to be embedded with the positioning groove 54, and screws the second nut 763, so that the first bolt 76 tightly presses the first fixing block 5 and the second fixing block 6. The vertical rod 731 is then inserted into the side of the guide rail 92 away from the support base 7, and the pull rod 73 penetrates through the support base 7 and then the first nut 74 is screwed, so that the sensor can be fixed. The train runs over from rail 9, and the train wheel shakes with rail 9 friction makes rail 9 control, and the first fixed block 5 of one side that apart from the train short takes precedence and rocks, and the second fixed block 6 of the other end is static this moment, and first fixed block 5 extrusion biography power roof beam 2, 2 power transmission of biography power roof beam 12 for meeting an emergency, and the roof beam 12 that meets an emergency takes place deformation, and the strain gauge converts the deformation volume that meets an emergency roof beam 12 and produce into the signal of telecommunication and exports from the cable, can realize the monitoring to rail 9 lateral force.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A horizontal installation lateral force test sensor, includes rail (9) and sets up strain gage (1) on rail (9), its characterized in that: strain hole (11) that are used for placing the foil gage are seted up at strain gage (1) top, strain gage (1) both ends are fixed with first elastic block (3) and second elastic block (4) respectively, strain hole (11) one end is fixed with first fixed block (5) that are used for with rail waist (91) butt is kept away from in first elastic block (3), strain hole (11) one end is fixed with second fixed block (6) that are used for with rail waist (91) butt are kept away from in second elastic block (4), first elastic block (3) lateral wall is equipped with cable (311) that are used for being connected with the foil gage electricity, be equipped with the positioning mechanism who is used for restricting first fixed block (5) and second fixed block (6) displacement on rail (9).

2. The horizontally mounted lateral force testing sensor of claim 1, wherein: the positioning mechanism comprises two supporting seats (7) abutted against the side wall of a guide rail (92), an upper clamping jaw (71) and a lower clamping jaw (72) are fixed at the bottoms of the two supporting seats (7), the two upper clamping jaws (71) are respectively abutted against the top of the guide rail (92), the two lower clamping jaws (72) are respectively abutted against the bottom of the guide rail (92), a limiting component for limiting the upper clamping jaw (71) and the lower clamping jaw (72) to be far away from a strain block (1) is arranged on the supporting seat (7), a first bolt (76) is respectively penetrated through the side wall of the two supporting seats (7), a second nut (763) is respectively in threaded connection with the two first bolts (76), the two second nuts (763) are respectively abutted against one side of the rail waist (91) with the two supporting seats (7), one end of the two first bolts (76) far away from the supporting seat (7) is respectively abutted against a first fixing block (5) and a second fixing block (6), two first bolt (76) are close to strain block (1) one end and all are fixed with top (762), first fixed block (5) and second fixed block (6) all offer be used for with top (762) the through-hole (53) of pegging graft.

3. The horizontally mounted lateral force testing sensor of claim 2, wherein: spacing subassembly includes two pull rods (73) of wearing to locate two lower jack catchs (72) respectively, two jack catch (72) are kept away from rail waist (91) one side and all are equipped with first nut (74) that are used for with pull rod (73) threaded connection down, two first nut (74) are close to lower jack catch (72) one side and all have been met first packing ring (75), two first packing ring (75) are kept away from first nut (74) one side and all with lower jack catch (72) butt, two first nut (74) one end is kept away from in pull rod (73) all is fixed with and is used for keeping away from montant (731) of supporting seat (7) one side butt with guide rail (92), two montant (731) top all is fixed with horizontal pole (732), two horizontal pole (732) bottom all with guide rail (92) top butt, two horizontal pole (732) are fixed with connecting rod (733) that are used for with guide rail (92) top butt.

4. The horizontally mounted lateral force testing sensor of claim 2, wherein: positioning grooves (54) are formed in the openings of the two through holes (53), positioning pins (761) are fixed at one ends of the two first bolts (76) close to the strain block (1), one ends of the two positioning pins (761) close to the strain block are respectively fixedly connected with the two apexes (762), the locating pin (761) is connected with the inner wall of the locating groove (54) in a sliding mode, two second gaskets (763) are abutted to one side, away from the supporting seat (7), of each second nut (763), two second gaskets (764) are fixed to one side, away from the supporting seat (7), of each second nut (763), two sleeve pipes (765) are fixed to one side, away from the supporting seat (7), of each sleeve pipe (765), a limiting pipe (766) is fixed to one side, away from the supporting seat (7), of each limiting pipe (766) is embedded with the two locating grooves (54) respectively, and the two apexes (762) are embedded with the two through holes (53) respectively after penetrating through the sleeve pipes (765).

5. The horizontally mounted lateral force testing sensor of claim 1, wherein: strain piece (1) both sides are two biography power roof beams (2) of fixedly connected with respectively, two biography power roof beam (2) keep away from strain piece (1) one side respectively with first elastic mass (3) and second elastic mass (4) fixed connection, strain hole (11) bottom is fixed with be used for with strain gage fixed connection strain roof beam (12).

6. The horizontally mounted lateral force testing sensor of claim 1, wherein: first through wires hole (31) have been seted up to first elastic block (3) one side of keeping away from web of rail (91), second through wires hole (32) have been seted up in first elastic block (3).

7. The horizontally mounted lateral force testing sensor of claim 1, wherein: the strain block (1) is positioned at the top of the strain hole (11) and is provided with a fixing groove (111), and a cover plate (112) for sealing the strain hole (11) is inserted in the fixing groove (111).

8. The horizontally mounted lateral force testing sensor of claim 2, wherein: be equipped with safety cover (8) on supporting seat (7), second bolt (81) are worn to be equipped with respectively in safety cover (8) both sides, second bolt (81) pass behind safety cover (8) and supporting seat (7) threaded connection.

9. The horizontally mounted lateral force testing sensor of claim 1, wherein: first fixed block (5) and second fixed block (6) all are fixed with insulating pad (51) towards web of rail (91) one side, two insulating pad (51) all with web of rail (91) butt.