CN115014970A - Equipment for detecting tension of bridge steel cable - Google Patents
Equipment for detecting tension of bridge steel cable Download PDFInfo
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- CN115014970A CN115014970A CN202210952755.6A CN202210952755A CN115014970A CN 115014970 A CN115014970 A CN 115014970A CN 202210952755 A CN202210952755 A CN 202210952755A CN 115014970 A CN115014970 A CN 115014970A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The invention discloses a device for detecting tension of a bridge steel cable, which comprises a fixed damping structure, an explosion-proof detection mechanism, a threshold value pressurizing mechanism, a steel cable to be detected and a control module. The invention belongs to the field of bridge steel cable detection, and particularly relates to a device for detecting the tension of a bridge steel cable, which is provided with an explosion-proof detection mechanism, so that whether the interior of a steel cable to be detected is damaged or not can be detected deeply when the steel cable reaches a threshold tension, meanwhile, the damage condition of the interior of the steel cable can be more accurately obtained when the steel cable is detected, the technical effect of improving the detection precision is achieved, and the technical problem of inaccurate monitoring data is solved; in addition, the explosion-proof detection mechanism is arranged, so that splashing and impact generated when the steel cable is broken can be effectively avoided by using a dispersion effect, and a safe working environment is provided for detection personnel; the fixed damping structure and the threshold value pressurizing mechanism are arranged, the technical effects of fixing and tension detection are achieved, and the technical problem that a steel cable is easy to slip during testing is solved.
Description
Technical Field
The invention belongs to the technical field of bridge steel cable detection, and particularly relates to a device for detecting tension of a bridge steel cable.
Background
The bridge steel cable is usually formed by twisting a plurality of steel wires into strands, then the strands are twisted into a spiral cable by taking a cable core as a center, the spiral cable plays a role in tensioning and bearing in a bridge structure, and has the characteristics of high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work.
The conventional tension detection generally uses a mode of gradually increasing tension to detect the tension limit of the steel rope, but the detection mode has the following technical problems: the fixing structure is simple, and the steel cable is easy to slip off to cause safety accidents; the data of the tension limit is obtained when the steel cable is broken, and before the tested tension reaches the limit threshold, the steel cable is not broken or damaged, so that the tested tension limit is larger than the real tension limit; in addition, before the tensile force limit of the steel cable is reached, the steel cable tends to collapse and is easy to break, and at the moment, if a tester detects the steel cable, the steel cable is very likely to be exploded and damaged, so that potential safety hazards exist; when the cable tension test reaches a limit, the cable may break, and the tension during the test is reflected to the structure for fixing the cable, and the inertial impact may cause damage to the instrument.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the detection equipment for the tension of the bridge steel cable, and the explosion-proof detection mechanism is arranged according to the problem of inaccurate measured tension limit, so that whether the inner part of the steel cable to be detected is damaged or not can be deeply detected, meanwhile, the damage condition of the inner part of the steel cable can be more accurately obtained when the steel cable is detected, the technical effect of improving the detection precision is achieved, and the technical problem of inaccurate monitoring data is solved; in addition, the explosion-proof detection mechanism effectively avoids splashing and impact generated when the steel cable is broken by utilizing the dispersion effect (the phenomenon that the stress wave cannot keep an initial waveform in the propagation process, and each harmonic component is propagated at the respective phase velocity to cause waveform elongation, the rising edge is slowed down, and the waveform has high-frequency oscillation), thereby providing a safe working environment for detection personnel; according to the problem that the steel cable is easy to slip, a combined type twisting and fixing mode is adopted, and a fixed damping structure and a threshold value pressurizing mechanism are arranged, so that the technical effects of fixing and tension detection are realized, and the technical problem that the steel cable is easy to slip during testing is solved.
The technical scheme adopted by the invention is as follows: the invention provides a device for detecting the tension of a bridge steel cable, which comprises a fixed damping structure, an explosion-proof detection mechanism, a threshold pressurizing mechanism, a steel cable to be detected and a control module, wherein the fixed damping structure is arranged on one side of the explosion-proof detection mechanism; explosion-proof detection mechanism utilizes the dispersion effect on the one hand, reduces the impact force when the cable wire bursts apart through self structural design, avoids causing the personal harm to the tester, can carry out the pulling force when examining at the cable wire that awaits measuring simultaneously again, patrols and examines to the cable wire of detecting a flaw, can the inside damage whether has when the cable wire that awaits measuring reaches threshold value pulling force of degree of depth detection, can pass through retest again, and the inside damage condition of more accurate obtaining cable wire improves the detection precision.
Further, fixed shock-absorbing structure includes locking clamping device A, buffering carrying device and unable adjustment base A, unable adjustment base A locates explosion-proof detection mechanism one side, buffering carrying device locates on unable adjustment base A, locking clamping device A activity is located on the buffering carrying device.
The buffer carrying device comprises a sliding carrying frame, a buffer transmission arm, a balance transmission plate, a shock absorption buffer spring and a sliding limiting arm, the sliding carrying frame is arranged on the fixing base A, a tension sliding groove is formed in the sliding carrying frame, the buffer transmission arm is arranged on the sliding carrying frame in a sliding mode, the balance transmission plate is arranged on the buffer transmission arm, one end of the shock absorption buffer spring is arranged on the balance transmission plate, the other end of the shock absorption buffer spring is arranged on the sliding carrying frame, the sliding limiting arm is arranged on the sliding carrying frame, the buffer carrying device only receives the reaction force of a steel cable to be detected after the steel cable to be detected is disconnected, the buffer carrying device can be subjected to kinetic energy buffering only by the aid of the shock absorption buffer spring, and the technical effect of protection equipment is achieved on the premise of effectively distributing resources.
Furthermore, the locking and clamping device A comprises a fixed carrying frame A, a limiting slide block A, a movable limiting shaft, a fixed arm A, a split twisting fixed head A and a reinforcing nut group A, wherein the fixed carrying frame A is arranged on the sliding carrying frame in a sliding mode through the limiting slide block A, the movable limiting shaft is arranged on the fixed carrying frame A, the movable limiting shaft is simultaneously and movably arranged on a sliding limiting arm, the fixed arm A is movably arranged on the fixed carrying frame A, the split twisting fixed head A is arranged on the fixed carrying frame A, the reinforcing nut group A is movably arranged on the fixed arm A, the split twisting fixed head A and the fixed arm A are arranged according to the characteristic that the steel cable is twisted into strands by a plurality of steel wires, the steel cable to be measured is doubly fixed after split twisting in a combined fixing mode, and the technical effects of reinforcing, tightening, skid resistance and anti-slip and anti-drop of the steel cable are realized through the improvement structure, the safety during the whole detection is improved.
Furthermore, the explosion-proof detection mechanism comprises a detection base, a bottom explosion-proof chamber, a top cover moving device, a detection device and a top explosion-proof chamber, wherein the detection base is arranged on one side of the fixed damping structure, the bottom explosion-proof chamber is arranged on the detection base, the detection device is arranged on the bottom explosion-proof chamber, the top cover moving device is arranged on the detection device, the top explosion-proof chamber is arranged on the top cover moving device, and the top explosion-proof chamber and the bottom explosion-proof chamber are arranged by utilizing the dispersion effect, so that the splashing and impact generated when the steel cable is broken are effectively avoided, and a safe working environment is provided for detection personnel; detection device can be in explosion-proof detection mechanism inside unmanned patrol and examine, need not tester manual control, avoids tester be injured, simultaneously, patrols and examines the back at every turn, and detection device can get back to explosion-proof detection mechanism and be close to both ends position, also can avoid self to be exploded wounded by the cable wire.
Wherein the top cover moving device comprises an opening and closing telescopic arm, a rotation limiting arm, a turning arm, a rotation limiting base A, a rotation limiting base B and a turning base, the turning base is arranged at the top of the detection device, the rotation limiting base B is arranged at the top of the detection device, the rotary limiting base A is arranged on the top explosion-proof chamber, one end of the turnover arm is rotatably arranged on the turnover base, the other end of the turning arm is rotatably arranged on the rotary limiting base A, one end of the rotary limiting arm is rotatably arranged on the rotary limiting base A, the other end of the rotary limiting arm is rotatably arranged on the rotary limiting base B, one end of the retractable arm is movably arranged at the top of the detection device, the other end activity of the flexible arm that opens and shuts is located on the upset arm, utilizes top cap head mobile device to realize opening fast and closing of detection space, is convenient for protect the tester.
Furthermore, the detection device comprises a detection transmission chamber, a transmission rail, a data transmission cable, a path system, a displacement inner rail, a data processing terminal and a detection system, wherein the detection transmission chamber is arranged on the bottom explosion-proof chamber, the transmission rail is arranged on the detection transmission chamber, the path system is movably arranged on the transmission rail, the displacement inner rail is arranged on the transmission rail, the data processing terminal is arranged in the detection transmission chamber, one end of the data transmission cable is arranged on the data processing terminal, the other end of the data transmission cable is arranged on the path system, the detection system is arranged on the path system, and the detection transmission chamber is used for protecting the internal transmission structure and circuit of the detection device; and the data processing terminal is used for processing data obtained by detection feedback of the detection system and analyzing the internal damage condition of the steel rail.
Wherein, the route system includes that route motor, motor carry on frame, output gear, the spacing wheel of lower floor and the spacing wheel in upper strata, the motor carries on the frame and slides through the spacing wheel in lower floor and the spacing wheel in upper strata and locates on the drive track, the route motor is located on the motor carries on the frame, output gear locates on the route motor, output gear and displacement inner rail meshing are connected, carry out the route through the route system to the cable wire that awaits measuring and patrol and examine, obtain the whole damaged condition of the cable wire that awaits measuring, and the later stage multiunit data fitting analysis of being convenient for improves the pulling force and examines the precision when measuring.
Further, the threshold pressurizing mechanism comprises a hydraulic pressurizing device A, a locking clamping device B and a hydraulic pressurizing device B, the locking clamping device B is arranged on one side of the explosion-proof detection mechanism, the hydraulic pressurizing device A is arranged on one side of the locking clamping device B, and the hydraulic pressurizing device B is arranged on one side of the locking clamping device B.
As a further preferred aspect of the present invention, the hydraulic pressurizing device a and the hydraulic pressurizing device B have the same structure and the same operation principle, and are symmetrically disposed on both sides of the locking and clamping device B.
Further, the hydraulic pressure device A comprises a hydraulic base, a hydraulic arm, a limit frame, a hydraulic limit shaft and a pressure arm, the hydraulic base is arranged on one side of the locking and clamping device B, the limit frame is arranged on the hydraulic base, the fixed end of the hydraulic arm is arranged on the limit frame, the hydraulic limit shaft is arranged on the telescopic end of the hydraulic arm, the hydraulic limit shaft is simultaneously arranged on the limit frame in a sliding manner, the pressure arm is rotatably arranged on the hydraulic limit shaft,
furthermore, locking clamping device B includes fixed arm B, pulling force rocking arm, the fixed frame B that carries on, divide and twist with fingers fixed head B, buffer system, pulling force base, pulling force carry on the frame, consolidate nut group B and steering spindle, pulling force base locates explosion-proof detection mechanism one side, pulling force carries on the frame and locates on the pulling force base, the activity of fixed arm B is located on the pulling force rocking arm, fixed frame B that carries on slides through the steering spindle and locates on the pulling force carries on the frame, the steering spindle rotates simultaneously and locates on the pressure arm, the pulling force rocking arm rotates and locates on the fixed frame B that carries on, fixed arm B slides and locates on the pulling force rocking arm, divide and twist with fingers fixed head B and locate on the fixed frame B, consolidate nut group B locates on the fixed arm B.
Further, the buffer system includes. The buffer device comprises a balance baffle, a grading buffer spring A, a grading buffer spring B, a grading buffer spring C, a buffer limit plate B, a buffer limit plate A, a buffer chamber and a buffer shaft, wherein the buffer chamber is arranged on a tension base, the buffer shaft is movably arranged on the buffer chamber, the balance baffle is arranged on the buffer shaft, one end of the grading buffer spring A is arranged on the balance baffle, the buffer limit plate A is movably arranged on the buffer shaft, the other end of the grading buffer spring A is arranged on the buffer limit plate A, the buffer limit plate B is arranged on the buffer shaft, the buffer limit plate C is arranged on the buffer shaft, one end of the grading buffer spring B is arranged on the buffer limit plate B, the other end of the grading buffer spring B is arranged on the buffer chamber, one end of the grading buffer spring C is arranged on the buffer limit plate C, and the other end of the grading buffer spring C is arranged on the buffer chamber, after the steel cable is broken, the threshold value pressurizing mechanism is subjected to the reaction force of the steel cable to be detected and the thrust of the hydraulic pressurizing device A, so that a buffer system is set, a three-stage buffer mode is used, the total acting force of the threshold value pressurizing mechanism is effectively reduced, the equipment is effectively protected, the service life of the equipment is prolonged, and the production cost is saved.
As a further preferable mode of the present invention, the control module employs an SCT89C52RC type single chip microcomputer, the control module is electrically connected to the retractable arm, the path motor, the hydraulic arm, the detection system, and the data processing terminal, the control module controls a working state of the retractable arm, the control module controls a working state of the path motor, the control module controls a working state of the hydraulic arm, the control module controls a working state of the detection system, and the control module controls a working state of the data processing terminal.
The invention with the structure has the following beneficial effects: this scheme provides a tensile check out test set of bridge cable wire's beneficial effect as follows:
(1) the fixed damping structure is used for fixing one end of the steel cable to be detected and is matched with the threshold pressurizing mechanism, so that the technical effects of fixing the steel cable and detecting the tension are achieved.
(2) On one hand, the explosion-proof detection mechanism utilizes the dispersion effect (that stress waves can not keep an initial waveform in the propagation process, and harmonic components are propagated at respective phase speeds to cause waveform elongation, the rising edge becomes slow, and the waveform has the phenomenon of high-frequency oscillation) to reduce the impact force when the steel cable is broken, thereby avoiding personal damage to testers.
(3) Because the buffering carrying device only receives the reaction force of the steel cable to be detected after the steel cable to be detected is disconnected, the buffering carrying device can be subjected to kinetic energy buffering by only one group of damping buffer springs, and the technical effect of protecting equipment is achieved on the premise of effectively distributing resources.
(4) According to the characteristic that the steel cable is usually twisted into strands by a plurality of layers of steel wires, the split-twisting fixing head A and the fixing arm A are arranged, the steel cable to be detected is dually fixed after being split-twisted by a combined fixing mode, the technical effects of reinforcing the steel cable and preventing slipping and falling are achieved by improving the structure, and the safety of the whole detection process is improved.
(5) The top explosion-proof chamber and the bottom explosion-proof chamber are arranged by utilizing the dispersion effect (the phenomenon that stress waves can not keep initial waveforms in the propagation process, and harmonic components propagate at respective phase speeds to cause waveform elongation, the rising edge becomes slow, and high-frequency oscillation occurs in the waveforms), so that splashing and impact generated when the steel cable is broken are effectively avoided, and a safe working environment is provided for detection personnel.
(6) Detection device can be in explosion-proof detection mechanism inside unmanned patrol and examine, need not tester manual control, avoids tester be injured, simultaneously, patrols and examines the back at every turn, and detection device can get back to explosion-proof detection mechanism and be close to both ends position, also can avoid self to be exploded wounded by the cable wire.
(7) The top cover moving device is used for realizing the quick opening and closing of the detection space, so that the tester can be protected conveniently.
(8) The detection transmission chamber is used for protecting the transmission structure and the circuit in the detection device; and the data processing terminal is used for processing data obtained by detection feedback of the detection system and analyzing the internal damage condition of the steel rail.
(9) The steel cable to be detected is subjected to path inspection through the path system, the integral damage condition of the steel cable to be detected is obtained, later-stage multi-group data fitting analysis is facilitated, and the precision during tension detection is improved.
(10) After the steel cable is broken, the threshold value pressurizing mechanism is subjected to the reaction force of the steel cable to be detected and the thrust of the hydraulic pressurizing device A, so that a buffer system is arranged, a three-stage buffer mode is used, the total acting force applied to the threshold value pressurizing mechanism is effectively reduced, the equipment is effectively protected, the service life of the equipment is prolonged, and the production cost is saved.
Drawings
FIG. 1 is a schematic structural diagram of a device for detecting tension of a bridge steel cable according to the present invention;
FIG. 2 is a schematic view of a fixed shock absorbing structure;
FIG. 3 is a schematic structural view of a fixed shock absorbing structure;
FIG. 4 is a schematic view of the structure of the buffer mounting apparatus;
FIG. 5 is a schematic structural view of an explosion-proof detection mechanism;
FIG. 6 is a schematic structural view of a top cover moving device;
FIG. 7 is a schematic view of the explosion-proof detection mechanism in a closed state;
FIG. 8 is a schematic view of the detecting device;
FIG. 9 is a partial sectional view of the detecting unit;
FIG. 10 is a schematic diagram of the structure of the routing system;
fig. 11 is a schematic structural view of the threshold value pressurizing mechanism;
FIG. 12 is a schematic structural view of a hydraulic pressurizing device A;
FIG. 13 is a schematic view of the locking clamp B;
FIG. 14 is a cross-sectional view of a bumper system;
FIG. 15 is a diagram of control module connections;
fig. 16 is a circuit diagram of the control module.
Wherein, 1, a fixed damping structure, 2, an explosion-proof detection mechanism, 3, a threshold value pressurizing mechanism, 4, a steel cable to be detected, 5, a control module, 101, a locking clamping device A, 102, a buffer carrying device, 103, a fixed base A, 105, a sliding carrying frame, 106, a tension chute, 107, a buffer transmission arm, 108, a balance transmission plate, 109, a damping buffer spring, 110, a sliding limit arm, 111, a fixed carrying frame A, 112, a limit slider A, 113, a movable limit shaft, 114, a fixed arm A, 115, a twisting fixed head A, 116, a reinforced nut group A, 201, a detection base, 202, a bottom explosion-proof chamber, 203, a top cover movable device, 204, a detection device, 205, a top explosion-proof chamber, 206, an opening and closing telescopic arm, 207, a rotating limit arm, 208, a turning arm, 209, a rotating limit base A, 210, a rotating limit base B, 211, a turning base, 212. the device comprises a detection transmission chamber, 213, a transmission rail, 214, a data transmission cable, 215, a path system, 216, a displacement inner rail, 217, a data processing terminal, 218, a detection system, 219, a path motor, 220, a motor carrying frame, 221, an output gear, 222, a lower limit wheel, 223, an upper limit wheel, 301, a hydraulic pressurizing device A, 302, a locking clamping device B, 303, a hydraulic pressurizing device B, 304, a hydraulic base, 305, a hydraulic arm, 306, a limit frame, 307, a hydraulic limit shaft, 308, a pressure arm, 309, a steering shaft, 310, a fixing arm B, 311, a tension rotating arm, 312, a fixing carrying frame B, 313, a twisting fixing head B, 314, a buffer system, 315, a tension base, 316, a tension carrying frame, 317, a reinforcing nut group B, 318, a balance baffle, 319, a grading buffer spring A, 320, a grading buffer spring B, 321, a grading buffer spring B, a balance baffle, a buffer spring, a buffer baffle, a buffer baffle, a buffer, a buffer, a, The buffer device comprises grading buffer springs C and 322, buffer limit plates C and 323, buffer limit plates B and 324, buffer limit plates A and 325, buffer chambers and 326 and buffer shafts.
In the circuit diagram of the control module, +5V is the power supply of the circuit, GND is the ground terminal, XTAL1 is the crystal oscillator, C1, C2 are the oscillation starting capacitance of the crystal oscillator, P1-P5 open and close the telescopic arm, the path motor, the hydraulic arm, the detection system and the connection ports of the data processing terminal and the control module respectively.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a bridge steel cable tension detection apparatus, which includes a fixed damping structure 1, an explosion-proof detection mechanism 2, a threshold value pressurization mechanism 3, a steel cable to be detected 4 and a control module 5, wherein the control module 5 is disposed on the explosion-proof detection mechanism 2, the fixed damping structure 1 is disposed on one side of the explosion-proof detection mechanism 2, the threshold value pressurization mechanism 3 is disposed on one side of the explosion-proof detection mechanism 2, one end of the steel cable to be detected 4 is disposed on the fixed damping structure 1, and the other end of the steel cable to be detected 4 is disposed on the threshold value pressurization mechanism 3.
As shown in fig. 1 and 2, the fixed damping structure 1 includes a locking clamp device a101, a buffer loading device 102, and a fixed base a103, the fixed base a103 is disposed on one side of the explosion-proof detection mechanism 2, the buffer loading device 102 is disposed on the fixed base a103, and the locking clamp device a101 is movably disposed on the buffer loading device 102.
As shown in fig. 2, 3 and 4, the locking clamp device a101 includes a fixed carrying frame a111, a limit slider a112, a movable limit shaft 113, a fixed arm a114, a split twist fixing head a115 and a reinforcing nut set a116, the fixed carrying frame a111 is slidably provided on the sliding carrying frame 105 through the limit slider a112, the movable limit shaft 113 is provided on the fixed carrying frame a111, the movable limit shaft 113 is movably provided on the sliding limit arm 110 at the same time, the fixed arm a114 is movably provided on the fixed carrying frame a111, the split twist fixing head a115 is provided on the fixed carrying frame a111, and the reinforcing nut set a116 is movably provided on the fixed arm a 114.
As shown in fig. 4, the buffer mounting device 102 includes a slide mounting frame 105, a buffer transmission arm 107, a balance transmission plate 108, a shock-absorbing buffer spring 109, and a slide limit arm 110, the slide mounting frame 105 is provided on the fixed base a103, the slide mounting frame 105 is provided with a tension chute 106, the slide limit arm 110 is provided on the slide mounting frame 105, the buffer transmission arm 107 is slidably provided on the slide mounting frame 105, the balance transmission plate 108 is provided on the buffer transmission arm 107, one end of the shock-absorbing buffer spring 109 is provided on the balance transmission plate 108, and the other end of the shock-absorbing buffer spring 109 is provided on the slide mounting frame 105.
As shown in fig. 1, 5 and 7, the explosion-proof detection mechanism 2 includes a detection base 201, a bottom explosion-proof chamber 202, a top cover movable device 203, a detection device 204 and a top explosion-proof chamber 205, wherein the detection base 201 is disposed on one side of the fixed shock-absorbing structure 1, the bottom explosion-proof chamber 202 is disposed on the detection base 201, the detection device 204 is disposed on the bottom explosion-proof chamber 202, the top cover movable device 203 is disposed on the detection device 204, and the top explosion-proof chamber 205 is disposed on the top cover movable device 203.
As shown in fig. 5 and 6, the top cover moving device 203 comprises an opening and closing telescopic arm 206, a rotation limiting arm 207, a turning arm 208, a rotation limiting base a209, a rotation limiting base B210 and a turning base 211, the turning base 211 is arranged at the top of the detection device 204, the rotation limiting base B210 is arranged at the top of the detection device 204, the rotation limiting base a209 is arranged on the top explosion-proof chamber 205, one end of the turning arm 208 is rotated and arranged on the turning base 211, the other end of the turning arm 208 is rotated and arranged on the rotation limiting base a209, one end of the opening and closing telescopic arm 206 is movably arranged at the top of the detection device 204, the other end of the opening and closing telescopic arm 206 is movably arranged on the turning arm 208, one end of the rotation limiting arm 207 is rotated and arranged on the rotation limiting base a209, and the other end of the rotation limiting arm 207 is rotated and arranged on the rotation limiting base B210.
As shown in fig. 5, 8 and 9, the detecting device 204 includes a detecting transmission chamber 212, a transmission rail 213, a data transmission cable 214, a routing system 215, a displacement inner rail 216, a data processing terminal 217 and a detecting system 218, the detecting transmission chamber 212 is disposed on the bottom explosion-proof chamber 202, the transmission rail 213 is disposed on the detecting transmission chamber 212, the routing system 215 is movably disposed on the transmission rail 213, the detecting system 218 is disposed on the routing system 215, the displacement inner rail 216 is disposed on the transmission rail 213, the data processing terminal 217 is disposed in the detecting transmission chamber 212, one end of the data transmission cable 214 is disposed on the data processing terminal 217, and the other end of the data transmission cable 214 is disposed on the routing system 215.
As shown in fig. 10, the path system 215 includes a path motor 219, a motor mounting frame 220, an output gear 221, a lower limit wheel 222, and an upper limit wheel 223, the motor mounting frame 220 is slidably disposed on the transmission rail 213 via the lower limit wheel 222 and the upper limit wheel 223, the path motor 219 is disposed on the motor mounting frame 220, the output gear 221 is disposed on the path motor 219, and the output gear 221 is engaged with the displacement inner rail 216.
As shown in fig. 1 and 11, the threshold value pressurizing mechanism 3 includes a hydraulic pressurizing device a301, a locking clamp device B302, and a hydraulic pressurizing device B303, the locking clamp device B302 is provided on the explosion-proof detection mechanism 2 side, the hydraulic pressurizing device a301 is provided on the locking clamp device B302 side, and the hydraulic pressurizing device B303 is provided on the locking clamp device B302 side.
As shown in fig. 11 and 12, the hydraulic pressurizing device a301 includes a hydraulic base 304, a hydraulic arm 305, a limit frame 306, a hydraulic limit shaft 307, and a pressure arm 308, the hydraulic base 304 is disposed on one side of the locking and clamping device B302, the limit frame 306 is disposed on the hydraulic base 304, the fixed end of the hydraulic arm 305 is disposed on the limit frame 306, the hydraulic limit shaft 307 is disposed on the telescopic end of the hydraulic arm 305, the hydraulic limit shaft 307 is slidably disposed on the limit frame 306, and the pressure arm 308 is rotatably disposed on the hydraulic limit shaft 307.
As shown in fig. 1 and 13, the locking and clamping device B302 includes a fixing arm B310, a tension rotating arm 311, a fixed carrying frame B312, a split twist fixing head B313, a buffer system 314, a tension base 315, a tension carrying frame 316, a reinforcing nut set B317, and a steering shaft 309, wherein the tension base 315 is provided on the explosion-proof detection mechanism 2 side, the tension carrying frame 316 is provided on the tension base 315, the tension rotating arm 311 is rotatably provided on the fixed carrying frame B312, the fixing arm B310 is movably provided on the tension rotating arm 311, the fixed carrying frame B312 is slidably provided on the tension carrying frame 316 via the steering shaft 309, the split twist fixing head B313 is provided on the fixed carrying frame B312, the steering shaft 309 is simultaneously rotatably provided on the pressure arm 308, the fixing arm B310 is slidably provided on the rotating arm 311, and the reinforcing nut set B317 is provided on the fixing arm B310.
As shown in fig. 13 and 14, the buffering system 314 includes a balance baffle 318, a staged buffer spring a319, a staged buffer spring B320, a staged buffer spring C321, a buffer stop plate C322, a buffer stop plate B323, a buffer stop plate a324, a buffer chamber 325 and a buffer shaft 326, wherein the buffer chamber 325 is disposed on the tension base 315, the buffer shaft 326 is movably disposed on the buffer chamber 325, the balance baffle 318 is disposed on the buffer shaft 326, one end of the staged buffer spring a319 is disposed on the balance baffle 318, the buffer stop plate a324 is movably disposed on the buffer shaft 326, the other end of the staged buffer spring a319 is disposed on the buffer stop plate a324, the buffer stop plate C322 is disposed on the buffer shaft 326, the buffer stop plate B323 is disposed on the buffer shaft 326, one end of the staged buffer spring C321 is disposed on the buffer stop plate C322, the other end of the staged buffer spring C321 is disposed on the buffer chamber 325, one end of the staged buffer spring B320 is disposed on the buffer stop plate B323, the other end of the stepped damper spring B320 is provided on the damper chamber 325.
As shown in fig. 15, the control module 5 is electrically connected to the retractable arm 206, the path motor 219, the hydraulic arm 305, the detection system 218, and the data processing terminal 217, the control module 5 controls the operating state of the retractable arm 206, the control module 5 controls the operating state of the path motor 219, the control module 5 controls the operating state of the hydraulic arm 305, the control module 5 controls the operating state of the detection system 218, and the control module 5 controls the operating state of the data processing terminal 217.
When the device is used, firstly, the top explosion-proof chamber 205 of the explosion-proof detection mechanism 2 is opened, the control module 5 controls the opening and closing telescopic arm 206 to extend, the opening and closing telescopic arm 206 extends to drive the turning arm 208 to rotate, the turning arm 208 rotates to drive the rotary limiting base A209 to rotate, the rotary limiting base A209 rotates to drive the rotary limiting arm 207 to rotate, the rotary limiting arm 207 and the turning arm 208 are linked to rotate to drive the rotary limiting base A209 to rotate and drive the top explosion-proof chamber 205 to be in an opened state, the steel cable 4 to be detected sequentially passes through the fixing arm A114, the detection system 218 and the fixing arm B310, then two ends of the originally twisted steel cable 4 to be detected are twisted into a plurality of strands, the two ends of the steel cable 4 to be detected after being twisted are fixed on the split-twisting fixing head A115 of the fixed damping structure 1 and the split-twisting fixing head B313 of the threshold value pressurization mechanism 3, and the reinforcing nut group A116 on the fixing arm A114 and the reinforcing nut group B310 are screwed, finishing the secondary fixing of the steel cable 4 to be detected, closing the top explosion-proof chamber 205, finishing the preparation work, and starting to perform tension detection; firstly, multi-stage tension detection is carried out on the steel cable 4 to be detected by setting a tension threshold, the control module 5 starts the hydraulic arm 305, the hydraulic arm 305 extends to drive the hydraulic limiting shaft 307 to move horizontally, the hydraulic limiting shaft 307 moves horizontally to drive the pressure arm 308 to deflect, component force in the direction parallel to the steel cable 4 to be detected is utilized to push the steel cable when the pressure arm 308 deflects, and the steel cable is continuously pressurized until the resultant force thrust of the hydraulic pressurizing device A301 and the hydraulic pressurizing device B303 reaches the threshold; in the process of performing the tension test, flaw detection is performed on the steel cable 4 to be tested with different tension magnitudes at different stages through the detection device 204, and the measured data is fed back to the data processing terminal 217, so that the tension limit before the steel cable 4 to be tested is cracked can be obtained more accurately; when the detection device 204 performs path inspection on the steel cable through the path system 215, the control module 5 starts the path motor 219, the path motor 219 drives the output gear 221 to rotate, the output gear 221 rotates to drive the motor carrying frame 220 to horizontally move, and the path system 215 performs one-way inspection once when the pressure applied to the steel cable 4 to be detected is increased by one stage, and keeps self at two ends of the transmission track 213 at any time; when the steel cable 4 to be tested reaches the stress limit, the steel cable 4 to be tested is cracked, the fixed damping structure 1 is subjected to smaller reaction force compared with the threshold pressurizing mechanism 3, and the damping can be completed through the damping buffer spring 109; the threshold pressurizing mechanism 3 is a main stressed structure, and needs to perform three-stage buffering through the buffering system 314 to reduce damage to equipment when the steel cable is broken.
The specific working process of the invention is described above, and the steps are repeated when the device is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a tensile check out test set of bridge cable wire which characterized in that: the device comprises a fixed damping structure (1), an explosion-proof detection mechanism (2), a threshold value pressurizing mechanism (3), a steel cable (4) to be detected and a control module (5), wherein the control module (5) is arranged on the explosion-proof detection mechanism (2), the fixed damping structure (1) is arranged on one side of the explosion-proof detection mechanism (2), the threshold value pressurizing mechanism (3) is arranged on one side of the explosion-proof detection mechanism (2), one end of the steel cable (4) to be detected is arranged on the fixed damping structure (1), and the other end of the steel cable (4) to be detected is arranged on the threshold value pressurizing mechanism (3); the fixed damping structure (1) comprises a locking clamping device A (101), a buffer carrying device (102) and a fixed base A (103), the fixed base A (103) is arranged on one side of the explosion-proof detection mechanism (2), the buffer carrying device (102) is arranged on the fixed base A (103), and the locking clamping device A (101) is movably arranged on the buffer carrying device (102); the threshold value pressurizing mechanism (3) comprises a hydraulic pressurizing device A (301), a locking clamping device B (302) and a hydraulic pressurizing device B (303), the locking clamping device B (302) is arranged on one side of the explosion-proof detection mechanism (2), the hydraulic pressurizing device B (303) is arranged on one side of the locking clamping device B (302), and the hydraulic pressurizing device A (301) is arranged on one side of the locking clamping device B (302).
2. The apparatus for detecting tension of bridge steel cable according to claim 1, wherein: the explosion-proof detection mechanism (2) comprises a detection base (201), a bottom explosion-proof chamber (202), a top cover moving device (203), a detection device (204) and a top explosion-proof chamber (205), wherein the detection base (201) is arranged on one side of the fixed damping structure (1), the bottom explosion-proof chamber (202) is arranged on the detection base (201), the detection device (204) is arranged on the bottom explosion-proof chamber (202), the top cover moving device (203) is arranged on the detection device (204), and the top explosion-proof chamber (205) is arranged on the top cover moving device (203); the detection device (204) comprises a detection transmission chamber (212), a transmission track (213), a data transmission cable (214), a path system (215), a displacement inner track (216), a data processing terminal (217) and a detection system (218), wherein the detection transmission chamber (212) is arranged on the bottom explosion-proof chamber (202), the data processing terminal (217) is arranged in the detection transmission chamber (212), the transmission track (213) is arranged on the detection transmission chamber, the path system (215) is movably arranged on the transmission track (213), the displacement inner track (216) is arranged on the transmission track (213), one end of the data transmission cable (214) is arranged on the data processing terminal (217), the other end of the data transmission cable (214) is arranged on the path system (215), and the detection system (218) is arranged on the path system (215).
3. The apparatus for detecting tension of bridge steel cable according to claim 2, wherein: buffer carrying device (102) is including sliding carrying frame (105), buffering drive arm (107), balanced drive plate (108), shock attenuation buffer spring (109) and the spacing arm of slip (110), fixed base A (103) is located in sliding carrying frame (105), be equipped with pulling force spout (106) on sliding carrying frame (105), buffering drive arm (107) slides and locates on sliding carrying frame (105), on buffering drive arm (107) is located in balanced drive plate (108), slide spacing arm (110) are located on sliding carrying frame (105), on balanced drive plate (108) is located to the one end of shock attenuation buffer spring (109), the other end of shock attenuation buffer spring (109) is located on sliding carrying frame (105).
4. The apparatus for detecting tension of bridge steel cable according to claim 3, wherein: locking clamping device A (101) including fixed carrying frame A (111), spacing slider A (112), the spacing axle of activity (113), fixed arm A (114), divide and twist with fingers fixed head A (115) and reinforcement nut group A (116), fixed carrying frame A (111) slides through spacing slider A (112) and locates on the frame (105) that carries with the slip, fixed carrying frame A (111) is located to spacing axle of activity (113), spacing axle of activity (113) activity is located simultaneously on the spacing arm of slip (110), fixed arm A (114) activity is located on fixed carrying frame A (111), divide and twist with fingers fixed head A (115) and locate on fixed carrying frame A (111), reinforcement nut group A (116) activity is located on fixed arm A (114).
5. The apparatus for detecting tension of bridge steel cable according to claim 4, wherein: the top cover moving device (203) comprises an opening and closing telescopic arm (206), a rotation limiting arm (207), a turning arm (208), a rotation limiting base A (209), a rotation limiting base B (210) and a turning base (211), the turning base (211) is arranged at the top of the detection device (204), the rotation limiting base B (210) is arranged at the top of the detection device (204), the rotation limiting base A (209) is arranged on a top explosion-proof chamber (205), one end of the turning arm (208) is rotatably arranged on the turning base (211), the other end of the turning arm (208) is rotatably arranged on the rotation limiting base A (209), one end of the rotation limiting arm (207) is rotatably arranged on the rotation limiting base A (209), the other end of the rotation limiting arm (207) is rotatably arranged on the rotation limiting base B (210), one end of the opening and closing telescopic arm (206) is movably arranged at the top of the detection device (204), the other end of the opening and closing telescopic arm (206) is movably arranged on the overturning arm (208).
6. The apparatus for detecting tension of bridge steel cable according to claim 5, wherein: path system (215) include spacing round of (222) and the upper strata of route motor (219), motor carrying frame (220), output gear (221), lower floor and limit round (223), motor carrying frame (220) slides through spacing round of (222) and the upper strata of lower floor and locates on transmission track (213), route motor (219) is located on motor carrying frame (220), on route motor (219) is located in output gear (221), output gear (221) and displacement inner rail (216) meshing are connected.
7. The apparatus for detecting tension of bridge steel cable according to claim 6, wherein: the hydraulic pressurizing device A (301) comprises a hydraulic base (304), a hydraulic arm (305), a limiting frame (306), a hydraulic limiting shaft (307) and a pressure arm (308), the hydraulic base (304) is arranged on one side of the locking and clamping device B (302), the limiting frame (306) is arranged on the hydraulic base (304), the fixed end of the hydraulic arm (305) is arranged on the limiting frame (306), the hydraulic limiting shaft (307) is arranged on the telescopic end of the hydraulic arm (305), the hydraulic limiting shaft (307) is arranged on the limiting frame (306) in a sliding mode simultaneously, and the pressure arm (308) is arranged on the hydraulic limiting shaft (307) in a rotating mode.
8. The apparatus for detecting tension of bridge steel cable according to claim 7, wherein: the locking and clamping device B (302) comprises a fixed arm B (310), a tension rotating arm (311), a fixed carrying frame B (312), a split twisting fixed head B (313), a buffer system (314), a tension base (315), a tension carrying frame (316), a reinforcing nut set B (317) and a steering shaft (309), wherein the tension base (315) is arranged on one side of the explosion-proof detection mechanism (2), the tension rotating arm (311) is rotatably arranged on the fixed carrying frame B (312), the fixed arm B (310) is slidably arranged on the tension rotating arm (311), the tension carrying frame (316) is arranged on the tension base (315), the fixed arm B (310) is movably arranged on the tension rotating arm (311), the reinforcing nut set B (317) is arranged on the fixed arm B (310), and the fixed tension carrying frame B (312) is slidably arranged on the carrying frame (316) through the steering shaft (309), the steering shaft (309) is simultaneously rotatably arranged on the pressure arm (308), and the twisting separation fixing head B (313) is arranged on the fixed carrying frame B (312).
9. The apparatus for detecting tension of bridge steel cable according to claim 8, wherein: the buffer system (314) comprises a balance baffle plate (318), a graded buffer spring A (319), a graded buffer spring B (320), a graded buffer spring C (321), a buffer limit plate C (322), a buffer limit plate B (323), a buffer limit plate A (324), a buffer chamber (325) and a buffer shaft (326), wherein the buffer chamber (325) is arranged on a tension base (315), the buffer shaft (326) is movably arranged on the buffer chamber (325), the balance baffle plate (318) is arranged on the buffer shaft (326), one end of the graded buffer spring A (319) is arranged on the balance baffle plate (318), the buffer limit plate A (324) is movably arranged on the buffer shaft (326), the other end of the graded buffer spring A (319) is arranged on the buffer limit plate A (324), the buffer limit plate B (323) is arranged on the buffer shaft (326), the buffer limit plate C (322) is arranged on the buffer shaft (326), the one end of hierarchical buffer spring B (320) is located on buffering limiting plate B (323), the other end of hierarchical buffer spring B (320) is located on surge chamber (325), the one end of hierarchical buffer spring C (321) is located on buffering limiting plate C (322), the other end of hierarchical buffer spring C (321) is located on surge chamber (325).
10. The apparatus for detecting tension of bridge steel cable according to claim 9, wherein: the opening and closing telescopic arm (206), the path motor (219), the hydraulic arm (305), the detection system (218) and the data processing terminal (217) are electrically connected with the control module (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210952755.6A CN115014970B (en) | 2022-08-10 | 2022-08-10 | Equipment for detecting tension of bridge steel cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952755.6A CN115014970B (en) | 2022-08-10 | 2022-08-10 | Equipment for detecting tension of bridge steel cable |
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| CN115014970B CN115014970B (en) | 2022-10-14 |
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| CN215677888U (en) * | 2021-09-23 | 2022-01-28 | 青岛城阳强盛工贸有限公司 | Tensile testing device for steel cable production |
| CN114457678A (en) * | 2022-02-23 | 2022-05-10 | 焦鹏翼 | High-safety steel cable fixing part for bridge building engineering construction |
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|---|---|---|---|---|
| JPH10338474A (en) * | 1997-06-09 | 1998-12-22 | Hitachi Constr Mach Co Ltd | Tension applying device of wire rope for winch |
| CN1225453A (en) * | 1998-10-23 | 1999-08-11 | 李钢 | Super sonic flaw detection method for steel rail, probe roller and detecting device therefor |
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| CN114457678A (en) * | 2022-02-23 | 2022-05-10 | 焦鹏翼 | High-safety steel cable fixing part for bridge building engineering construction |
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| CN115014970B (en) | 2022-10-14 |
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