CN112066844B - Signal cable detection equipment and detection process for rail transit - Google Patents
Signal cable detection equipment and detection process for rail transit Download PDFInfo
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- CN112066844B CN112066844B CN202011028519.2A CN202011028519A CN112066844B CN 112066844 B CN112066844 B CN 112066844B CN 202011028519 A CN202011028519 A CN 202011028519A CN 112066844 B CN112066844 B CN 112066844B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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Abstract
The invention relates to a signal cable detection device for rail transit, which comprises a base and a detection mechanism, wherein the base is provided with a mounting hole, and the detection mechanism comprises a support barrel, a plurality of distance measuring wheels and a monitoring ring. The monitoring ring is rotatably arranged on the outer side of the distance measuring wheel, a plurality of standard guide grooves are formed in the inner surface of the side wall of the monitoring ring, and the transmission column can rotate into the standard guide grooves; the invention discloses a signal cable detection process for rail transit, which comprises the following steps: the stranded wire penetrates out of the processing equipment, then penetrates through the support barrel and moves rightwards, the distance measuring wheel rotates along a spiral line groove in the periphery of the stranded wire, when the stranded wire to be detected is enlarged in lay length, the transmission column rubs against the side wall of the standard guide groove, the monitoring ring is driven to rotate greatly under the action of the transmission column, and whether the lay length of the stranded wire meets the standard or not is judged by observing the position between the monitoring notch and the graduated scale, so that the intuition is strong.
Description
Technical Field
The invention relates to the field of cable detection, in particular to signal cable detection equipment for rail transit and a detection process.
Background
The rail transit communication signal cable is an important means for realizing train command and train operation management, and becomes indispensable key equipment for ensuring train safety and improving transportation efficiency. A signal cable is generally manufactured by twisting at least two wires, which are regarded as a twisted wire, the twisted wire is formed by twisting two or more twisted single wires, and a plurality of spiral wire grooves are formed on the outer periphery of the outermost twisted single wire. To improve the transition characteristics, in particular near end crosstalk (NEXT) and Return Loss (RL), it is important to twist the conductors with a regular lay length in the longitudinal direction. The twisted wire is easy to be overlarge in the production process, the twisted wire is softer, and the twisted wire is easy to be loosened in the manufacturing and using processes. This makes it particularly important to detect the lay length of the conductors forming the cable in advance when the cable is produced.
Disclosure of Invention
The invention provides a signal cable detection device and a detection process for track traffic, which aim to solve the problem that the conventional twisting distance of a lead of a cable cannot be detected.
The invention discloses a signal cable detection device for rail transit, which adopts the following technical scheme:
a signal cable detection device for rail transit comprises a base and a detection mechanism, wherein the base is provided with a mounting hole, and the detection mechanism comprises a support barrel, a plurality of distance measuring wheels and a monitoring ring; the support barrel is rotatably arranged in the mounting hole of the base, the axis of the support barrel extends along the left-right direction, and the stranded wire to be detected penetrates through the support barrel; the distance measuring wheel is rotatably arranged on the support barrel and is uniformly distributed along the circumferential direction of the support barrel, the outer side wall of the distance measuring wheel is provided with a transmission column perpendicular to the axis of the distance measuring wheel, and the distance measuring wheel is in friction transmission contact with the spiral line groove of the stranded wire; the monitoring ring is rotatably arranged on the outer side of the distance measuring wheel, a plurality of guide strips are arranged on the inner surface of the side wall of the monitoring ring, a standard guide groove is formed between every two adjacent guide strips, the shape of the standard guide groove is the same as the moving track of the distance measuring wheel in a spiral line groove of a standard stranded wire, and the transmission column can rotate into the standard guide groove.
The stranded wire penetrates out of the processing equipment, then penetrates through the support barrel and moves rightwards, the distance measuring wheel rotates along a spiral wire groove in the periphery of the stranded wire, and when the twisting distance of the stranded wire to be detected does not meet the standard, the side walls of the transmission column and the standard guide groove generate relative acting force, so that the monitoring ring rotates relative to the base under the acting force of the transmission column.
Furthermore, a plurality of hinged shafts are arranged on the right side of the support barrel, the hinged shafts are uniformly distributed along the circumferential direction of the support barrel, every two adjacent hinged shafts are connected through a first connecting frame, each first connecting frame is installed on the right end face of the support barrel through a second connecting frame, and a plurality of hinged balls are fixedly connected to the middle parts of the hinged shafts and are coaxially arranged with the hinged shafts;
the distance measuring wheel comprises a wheel core, a hinge port penetrates through the middle of the wheel core, the wheel core is rotatably arranged on the outer side of the hinge ball through the hinge port, two end faces of the wheel core are respectively provided with a movable ring, the outer surface of the side wall of each movable ring forms a contact surface, and the contact surfaces are in contact with the twisted single lines on the two sides of the spiral line groove.
Furthermore, the wheel core is buckled with the movable rings on two sides, and rubber springs are arranged at the connecting positions of the two sides of the wheel core and the movable rings.
Further, the device also comprises a right check ring and an adjusting cylinder; the right check ring is arranged on the base and positioned on the right side of the monitoring ring, and the right check ring and the support barrel are coaxially arranged; the lateral wall surface of adjusting a section of thick bamboo is provided with the screw thread, and the lateral wall internal surface of right retaining ring is provided with the screw thread, adjusts a section of thick bamboo and passes through screw-thread fit with right retaining ring, and the right-hand member outward flange of monitoring circle is provided with protruding edge, and protruding edge is in between base and the regulation section of thick bamboo, and the right-hand member of adjusting a section of thick bamboo is provided with the knob to adjust the size of the pretightning force of monitoring circle through the rotating knob.
Furthermore, the upper half circle of the right check ring is provided with a monitoring groove, the upper half circle of the convex edge is positioned in the monitoring groove, a plurality of monitoring gaps are uniformly distributed on the convex edge, the positions of the monitoring gaps can be displayed in the monitoring groove, and the corresponding positions of the base and the convex edge are provided with a graduated scale.
Further, the left side of a support section of thick bamboo is provided with left retaining ring, and left retaining ring rigid coupling is in the base, and the right side of left retaining ring forms the pressing surface, and the pressing surface contacts with the left end face of a support section of thick bamboo.
Furthermore, the lower end of the outer side face of the left check ring is provided with a first positioning support fixedly connected with the base, and the lower end of the outer side face of the right check ring is provided with a second positioning support fixedly connected with the base.
Further, a guide arc surface is formed when the left side extends, so that the transmission column enters the standard guide groove along the guide arc surface.
Furthermore, the left side and the right side of the signal cable detection equipment for rail transit are respectively provided with a support frame at intervals, so that the stranded wires are straightened before and after entering the support barrel.
A detection process of a signal cable for track traffic comprises the following steps:
the stranded wire moves to the right from the processing equipment, enters the support barrel through the support frame on the left side of the track traffic signal cable detection equipment, and then moves to the support frame on the right side of the track traffic signal cable detection equipment.
The distance measuring wheel rotates along a spiral line groove in the periphery of the stranded wire, the contact surface is in friction transmission contact with the stranded wires on the two sides of the spiral line groove, when the strand lay of the detected stranded wire is increased, the movable wheel expands outwards under the tension of the rubber spring, the contact surface of the movable wheel keeps in contact with the periphery of the stranded wire, the transmission column and the side wall of the standard guide groove generate relative acting force, the transmission column rubs with the side wall of the standard guide groove, and the monitoring ring is enabled to be pushed to rotate greatly under the action of the transmission column.
And taking the rotating distance of the monitoring ring in a certain time period when the stranded wire with the standard strand lay passes through as a standard distance, indicating that the strand lay of the detected stranded wire is not standard when the rotating distance of the monitoring ring exceeds the standard distance in the certain time period, and stopping the processing equipment from overhauling the processing equipment at the moment.
The invention has the beneficial effects that: the signal cable detection equipment for track traffic detects the twist pitch of the twisted wire forming the cable, and because the number of the guide grooves is approximately equal to the number of autorotation turns of one twist pitch of a standard spiral wire groove of the distance measuring wheel, when the twist pitch of the twisted wire to be detected meets the standard, the monitoring ring rotates in a small amplitude. When the lay length of the stranded wire to be detected is increased, the transmission column rubs the side wall of the standard guide groove, so that the monitoring ring is pushed to rotate greatly under the action of the transmission column, and whether the lay length of the stranded wire meets the standard or not is judged by observing the position between the monitoring notch and the graduated scale, and the intuition is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a method for using a signal cable detection device for rail transit according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a signal cable detection device for rail transit according to the present invention;
FIG. 3 is a partial cross-sectional view of one embodiment of a signal cable detection apparatus for rail transit of the present invention;
FIG. 4 is a partial cross-sectional view of a further layer of an embodiment of a signal cable detection apparatus for rail transit of the present invention;
FIG. 5 is a schematic structural diagram of a rack drum of an embodiment of a signal cable detection device for rail transit according to the present invention;
FIG. 6 is a schematic structural diagram of a distance measuring wheel of an embodiment of a signal cable detection device for rail transit according to the present invention;
FIG. 7 is a schematic structural diagram of a monitoring ring of an embodiment of a signal cable detection apparatus for rail transit according to the present invention;
FIG. 8 is a schematic structural diagram of an adjusting cylinder of an embodiment of the signal cable detection device for rail transit according to the present invention;
FIG. 9 is a schematic structural diagram of a left block cover of an embodiment of a signal cable detection device for rail transit according to the present invention;
FIG. 10 is a schematic structural diagram of a right block cover of an embodiment of a signal cable detection device for rail transit according to the present invention;
FIG. 11 is a schematic view of the mounting of a hinge ball of another embodiment of a signal cable detection apparatus for rail transit of the present invention;
fig. 12 is a schematic diagram of the positions of the distance measuring wheel and the twisted wire of the signal cable detection device for rail transit according to the present invention.
In the figure: 1. stranding; 11. a spiral wire groove; 2. a machine base; 3. a left retainer ring; 31. a first positioning bracket; 32. a compression surface; 4. a right retainer ring; 42. a second positioning bracket; 43. monitoring the tank; 5. an adjusting cylinder; 51. pressing the surface; 53. a knob; 6. monitoring the loop; 61. a convex edge; 62. monitoring the gap; 63. a guide strip; 64. a standard guide groove; 65. a guiding cambered surface; 7. a holder barrel; 71. a first connecting frame; 72. a second link frame; 73. hinging the ball; 74. hinging a shaft; 75. a support pillar; 8. a distance measuring wheel; 81. a wheel core; 82. hinging the interface; 83. a drive post; 84. a movable ring; 85. a contact surface; 86. buckling; 87. a rubber spring; 10. a graduated scale.
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.
The invention discloses a signal cable detection device for track traffic, which is used for detecting the lay length of a stranded wire 1, wherein the stranded wire 1 consists of more than two stranded single wires, and the stranded single wires on the periphery of the stranded wire 1 form a spiral wire groove 11. As shown in fig. 2 to 4, including base 2 and detection mechanism, be provided with the mounting hole on the base 2, detection mechanism includes a support section of thick bamboo 7, a plurality of range finding wheel 8 and monitoring circle 6. The support barrel 7 is rotatably installed in the installation hole of the base 2, the axis of the support barrel 7 extends in the left-right direction, and the stranded wire 1 to be detected penetrates through the support barrel 7. The distance measuring wheel 8 is rotatably installed on the support barrel 7 and is uniformly distributed along the circumferential direction of the support barrel 7, the outer side wall of the distance measuring wheel 8 is provided with a transmission column 83 perpendicular to the axis of the distance measuring wheel 8, and the distance measuring wheel 8 is in friction transmission contact with the spiral line groove 11 of the stranded wire 1. The monitoring ring 6 is rotatably arranged on the outer side of the distance measuring wheel 8, a plurality of guide strips 63 are arranged on the inner surface of the side wall of the monitoring ring 6, a standard guide groove 64 is formed between every two adjacent guide strips 63, the shape of the standard guide groove 64 is the same as the moving track of the distance measuring wheel 8 in the spiral line groove 11 of the standard stranded wire 1, and the transmission column 83 can rotate into the standard guide groove 64.
The stranded wire 1 passes through the support barrel 7 and moves rightwards, the distance measuring wheel 8 rotates along the spiral wire groove 11 on the periphery of the stranded wire 1, and because the number of the guide grooves is approximately equal to the number of autorotation turns of a stranded wire distance traveled by the standard spiral wire groove 11 of the distance measuring wheel 8, when the stranded wire 1 to be detected meets the standard, the monitoring ring 6 rotates in a small amplitude. When the lay length of the stranded wire 1 to be detected does not meet the standard, the transmission column 83 and the side wall of the standard guide groove 64 generate a relative acting force, so that the monitoring ring 6 overcomes the rotation of the monitoring ring under the acting force of the transmission column 83 and greatly rotates relative to the base 2.
In this embodiment, as shown in fig. 5, a plurality of hinge shafts 74 are provided on the right side of the support barrel 7, the hinge shafts 74 are uniformly distributed along the circumferential direction of the support barrel 7, every two adjacent hinge shafts 74 are connected through a first connecting frame 71, each first connecting frame 71 is installed on the right end face of the support barrel 7 through a second connecting frame 72, and a plurality of hinge balls 73 are fixedly connected to the middle of the hinge shafts 74 and are coaxially disposed with the hinge shafts 74.
The distance measuring wheel 8 comprises a wheel core 81, a hinge port 82 penetrates through the middle of the wheel core 81, the wheel core 81 is rotatably arranged on the outer side of the hinge ball 73 through the hinge port 82, two end faces of the wheel core 81 are respectively provided with a movable ring 84, the inner surface of the side wall of each movable ring 84 extends towards the axial direction of the wheel core 81, the outer surface of the side wall of each movable ring 84 forms a contact surface 85, and rubber is arranged on the outer side of each contact surface 85 to increase the friction force between each contact surface 85 and the stranded wires 1 on two sides of the spiral wire groove 11.
In this embodiment, as shown in fig. 6, the wheel core 81 is movably fastened to the movable ring 84, specifically, the movable ring 84 and the wheel core 81 are both provided with a catch 86, and the catch 86 of the wheel core 81 is located outside the catch 86 of the movable ring 84. The rubber springs 87 are arranged at the connecting positions of the two sides of the wheel core 81 and the movable ring 84, when the lay length of the stranded wire 1 is increased, the rubber springs 87 expand outwards to enable the contact surface 85 of the movable ring 84 to be in close contact with the stranded single wires at the two sides of the spiral wire groove 11, and when the stranded wire 1 in the spiral wire groove 11 of the stranded wire 1 with the standard lay length is subjected to the acting force of the stranded single wires at the two sides of the spiral wire groove 11 and the acting force of the first support to contract inwards, the contact surface 85 of the movable ring 84 is enabled to be in close contact with the stranded single wires at the two sides of the spiral wire groove 11 all the time.
In the present embodiment, as shown in fig. 7 to 10, the signal cable detection apparatus for track traffic further includes a right baffle ring 4 and an adjustment cylinder 5. Right retaining ring 4 installs in base 2, and is in the right side of monitoring circle 6, and right retaining ring 4 sets up with a support section of thick bamboo 7 is coaxial. The adjusting cylinder 5 is arranged on the inner side of the right retainer ring 4, the outer surface of the side wall of the adjusting cylinder 5 is provided with threads, the left end is provided with a top pressing surface 51, the top pressing surface 51 is matched with the right end of the monitoring ring 6, the inner surface of the side wall of the right retainer ring 4 is provided with threads, the adjusting cylinder 5 is matched with the right retainer ring 4 through the threads, the outer edge of the right end of the monitoring ring 6 is provided with a convex edge 61, the convex edge 61 is positioned between the base 2 and the adjusting cylinder 5, the right end of the adjusting cylinder 5 is provided with a knob 53, the knob 53 is rotated, a pretightening force is applied to the monitoring ring 6 through the adjusting cylinder 5, and the monitoring ring 6 is static when not in contact with the transmission column 83.
In this embodiment, the upper half of the right retainer 4 is provided with a monitoring groove 43, the upper half of the convex edge 61 is located in the monitoring groove 43, a plurality of monitoring notches 62 are uniformly distributed on the convex edge 61, the positions of the monitoring notches 62 can be displayed in the monitoring groove 43, the corresponding positions of the base 2 and the convex edge 61 are provided with a scale 10, and whether the lay length of the monitored stranded wire 1 meets the standard or not is judged by comparing the positions of the monitoring notches 62 and the scale 10.
In this embodiment, the left side of a support cylinder 7 is provided with a left retainer ring 3, the left retainer ring 3 is fixedly connected to the base 2, the right side of the left retainer ring 3 forms a pressing surface 32, and the pressing surface 32 contacts with the left end face of the support cylinder 7 to support the support cylinder 7.
In this embodiment, the lower end of the outer side surface of the left retainer ring 3 is provided with a first positioning bracket 31, the first positioning bracket 31 is fixedly connected with the left side of the base 2, the lower end of the outer side surface of the right retainer ring 4 is provided with a second positioning bracket 42, and the second positioning bracket 42 is fixedly connected with the right side of the base 2.
In this embodiment, the right end of the guide bar 63 forms the guide arc 65 when extending to the left side, so that the transmission posts 83 enter the standard guide groove 64 along the guide arc 65, the transmission posts 83 all enter from the left end of the standard guide groove 64, and the outermost ends of the transmission posts are not lower than the innermost end of the guide bar 63 when the transmission posts 83 enter the standard guide groove 64. As shown in fig. 12, the outermost end of the drive post 83 is not in contact with the strand 1.
In this embodiment, a first support frame and a second support frame are disposed on the left and right sides of the track traffic signal cable detection device, as shown in fig. 1, a represents the track traffic signal cable detection device, B represents the first support frame, and C represents the second support frame, so that the stranded wire 1 is straightened before and after entering the support cylinder 7, and the stranded wire 1 is prevented from vibrating and affecting the detection result.
In other embodiments of the present invention, as shown in fig. 11, the hinge ball 73 may also be directly mounted on the support barrel 7 through the support column 75, and the distance measuring wheel 8 rotates on the hinge ball 73 more sensitively, is more sensitive to the detection of the change of the lay length of the stranded wire 1, and is convenient to produce and manufacture.
A detection process of signal cable detection equipment for rail transit comprises the following steps: the stranded wire 1 moves rightwards from the processing equipment, enters the support barrel 7 through the support frame on the left side of the track traffic signal cable detection equipment, then moves to the support frame on the right side of the track traffic signal cable detection equipment, the distance measuring wheel 8 rotates along the spiral line groove 11 on the periphery of the stranded wire 1, and the contact surface 85 is in friction transmission contact with the stranded wire 1 on two sides of the spiral line groove 11. When the lay length of the stranded wire 1 to be detected meets the standard, the number of the guide grooves is approximately equal to the number of autorotation turns of one lay length of the standard spiral wire groove 11 of the distance measuring wheel 8, so that the monitoring ring 6 rotates in a small range, the stranded wire 1 passes through one lay length, and the support cylinder 7 rotates for a circle.
When the detected twisting distance of the twisted wire 1 is increased, the spiral wire groove 11 is widened, the movable wheel expands outwards under the tension of the rubber spring 87, so that the contact surface 85 of the movable wheel is always kept in contact with the peripheries of the single twisted wires at two sides of the spiral wire groove 11, the length of the single twisted wire in one twisting distance is increased, the spiral wire groove 11 at the periphery of the twisted wire 1 is increased, the number of rotation turns of the distance measuring wheel 8 is greater than that of the rotation turns of the spiral wire groove 11 along the standard twisted wire 1, at the moment, the number of rotation turns of the distance measuring wheel 8 is not matched with that of the standard guide groove 64, so that the transmission column 83 and the side wall of the standard guide groove 64 generate relative acting force, the acting force overcomes the pre-tightening friction force of the monitoring ring 6 and the self rotation of the monitoring ring 6 drives the monitoring ring 6 to rotate greatly, by judging the relative position of the monitoring gap 62 on the monitoring ring 6 and the graduated scale 1 on the base 2, the change of the lay length of the detected stranded wire 1 can be intuitively reminded. And taking the rotating distance of the monitoring ring 6 in a certain time period when the stranded wire 1 with the standard twisting pitch passes as a standard distance. When the rotating distance of the monitoring ring 6 exceeds the standard distance in the period of time, the detected twisting distance of the twisted wire 1 is not standard, the processing equipment is stopped at the moment, the twisted wire 1 stops moving rightwards, and then the processing equipment is overhauled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a signal cable check out test set for track traffic which characterized in that: the device comprises a base and a detection mechanism, wherein the base is provided with a mounting hole; the detection mechanism comprises a support barrel, a plurality of distance measuring wheels and a monitoring ring; the support barrel is rotatably arranged in the mounting hole of the base, the axis of the support barrel extends along the left-right direction, and the stranded wire to be detected penetrates through the support barrel; the distance measuring wheel is rotatably arranged on the support barrel and is uniformly distributed along the circumferential direction of the support barrel, the outer side wall of the distance measuring wheel is provided with a transmission column perpendicular to the axis of the distance measuring wheel, and the distance measuring wheel is in friction transmission contact with the spiral line groove of the stranded wire; the monitoring ring is rotatably arranged on the outer side of the distance measuring wheel, a plurality of guide strips are arranged on the inner surface of the side wall of the monitoring ring, a standard guide groove is formed between every two adjacent guide strips, the shape of the standard guide groove is the same as the moving track of the distance measuring wheel in a spiral line groove of a standard stranded wire, and the transmission column can rotate into the standard guide groove;
the stranded wire penetrates out of the processing equipment, then penetrates through the support barrel and moves rightwards, the distance measuring wheel rotates along a spiral wire groove in the periphery of the stranded wire, and when the twisting distance of the stranded wire to be detected does not meet the standard, the side walls of the transmission column and the standard guide groove generate relative acting force, so that the monitoring ring rotates relative to the base under the acting force of the transmission column.
2. The rail transit signal cable detection apparatus of claim 1, wherein: the right side of the support barrel is provided with a plurality of hinged shafts, the hinged shafts are uniformly distributed along the circumferential direction of the support barrel, every two adjacent hinged shafts are connected through a first connecting frame, each first connecting frame is installed on the right end face of the support barrel through a second connecting frame, and a plurality of hinged balls are fixedly connected to the middle parts of the hinged shafts and are coaxially arranged with the hinged shafts;
the distance measuring wheel comprises a wheel core, a hinge port penetrates through the middle of the wheel core, the wheel core is rotatably arranged on the outer side of the hinge ball through the hinge port, two end faces of the wheel core are respectively provided with a movable ring, the outer surface of the side wall of each movable ring forms a contact surface, and the contact surfaces are in contact with the twisted single lines on the two sides of the spiral line groove.
3. The rail transit signal cable detection apparatus of claim 2, wherein: the wheel core is buckled with the movable rings on the two sides, and rubber springs are arranged at the connecting positions of the two sides of the wheel core and the movable rings.
4. The rail transit signal cable detection apparatus of claim 1, wherein: the device also comprises a right check ring and an adjusting cylinder; the right check ring is arranged on the base and positioned on the right side of the monitoring ring, and the right check ring and the support barrel are coaxially arranged; the lateral wall surface of adjusting a section of thick bamboo is provided with the screw thread, and the lateral wall internal surface of right retaining ring is provided with the screw thread, adjusts a section of thick bamboo and passes through screw-thread fit with right retaining ring, and the right-hand member outward flange of monitoring circle is provided with protruding edge, and protruding edge is in between base and the regulation section of thick bamboo, and the right-hand member of adjusting a section of thick bamboo is provided with the knob to adjust the size of the pretightning force of monitoring circle through the rotating knob.
5. The rail transit signal cable detection apparatus of claim 4, wherein: the upper half circle of the right check ring is provided with a monitoring groove, the upper half circle of the convex edge is positioned in the monitoring groove, a plurality of monitoring gaps are uniformly distributed on the convex edge, the positions of the monitoring gaps can be displayed in the monitoring groove, and the corresponding positions of the base and the convex edge are provided with a graduated scale.
6. The rail transit signal cable detection apparatus of claim 5, wherein: the left side of a support section of thick bamboo is provided with left retaining ring, and left retaining ring rigid coupling is in the base, and the right side of left retaining ring forms the face that compresses tightly, and the face that compresses tightly contacts with the left end face of a support section of thick bamboo.
7. The rail transit signal cable detection apparatus of claim 6, wherein: the lower extreme of the lateral surface of left retaining ring is provided with first locating support, and first locating support and base rigid coupling, the lower extreme of the lateral surface of right retaining ring is provided with second locating support, and second locating support and base rigid coupling.
8. The rail transit signal cable detection apparatus of claim 1, wherein: the right end of the guide strip forms a guide arc surface when extending to the left side, so that the transmission column enters the standard guide groove along the guide arc surface.
9. The rail transit signal cable detection apparatus of claim 1, wherein: the left side and the right side of the signal cable detection equipment for rail transit are respectively provided with a support frame at intervals, so that the stranded wires are straightened before and after entering the support frame barrel.
10. A detection process of the signal cable detection equipment for rail transit according to any one of claims 1 to 9, characterized in that:
the stranded wires move rightwards from the processing equipment, enter the support barrel through the support frame on the left side of the track traffic signal cable detection equipment and then move to the support frame on the right side of the track traffic signal cable detection equipment;
the distance measuring wheel rotates along a spiral line groove on the periphery of the stranded wire, the contact surface of the distance measuring wheel is in friction transmission contact with the stranded wire on two sides of the spiral line groove, when the strand lay of the detected stranded wire is increased, the movable wheel expands outwards under the tension of the rubber spring, the contact surface of the movable wheel keeps in contact with the periphery of the stranded wire, the transmission column and the side wall of the standard guide groove generate a relative acting force, the transmission column and the side wall of the standard guide groove are in friction, and the monitoring ring is pushed to rotate greatly under the action of the transmission column;
and taking the rotating distance of the monitoring ring in a certain time period when the stranded wire with the standard strand lay passes through as a standard distance, indicating that the strand lay of the detected stranded wire is not standard when the rotating distance of the monitoring ring exceeds the standard distance in the certain time period, and stopping the processing equipment from overhauling the processing equipment at the moment.
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| CN202011028519.2A CN112066844B (en) | 2020-09-27 | 2020-09-27 | Signal cable detection equipment and detection process for rail transit |
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| CN202011028519.2A CN112066844B (en) | 2020-09-27 | 2020-09-27 | Signal cable detection equipment and detection process for rail transit |
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| CN201327378Y (en) * | 2008-12-30 | 2009-10-14 | 江阴法尔胜钢铁制品有限公司 | Strain testing device in the steel strand relaxation test |
| CN204924185U (en) * | 2015-09-15 | 2015-12-30 | 宁波鑫通线缆有限公司 | Pitch light measuring device of stranded wire |
| KR101861068B1 (en) * | 2016-09-23 | 2018-05-28 | 한국전력공사 | Apparatus for mesuring pitch |
| DE102018204173A1 (en) * | 2018-03-19 | 2019-09-19 | Leoni Kabel Gmbh | Measuring arrangement for monitoring a flexibly flexible strand and flexibly flexible strand and method for monitoring a flexibly flexible strand |
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