CN212645621U - Connecting rod deformation detection equipment - Google Patents
Connecting rod deformation detection equipment Download PDFInfo
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- CN212645621U CN212645621U CN202021532737.5U CN202021532737U CN212645621U CN 212645621 U CN212645621 U CN 212645621U CN 202021532737 U CN202021532737 U CN 202021532737U CN 212645621 U CN212645621 U CN 212645621U
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Abstract
The utility model discloses a connecting rod deformation check out test set belongs to the automobile overhaul instrument field. This connecting rod deformation check out test set includes: with the mounting hole complex supporting seat of engine, and the range unit who links to each other with the supporting seat, the supporting seat is mutually supported with the mounting hole of engine, range unit measures the distance between the piston of supporting seat to engine, the bottom of supporting seat have with the tip butt complex plane of mounting hole, range unit cooperates with the plane is perpendicular, range unit includes the measuring tape with supporting seat grafting complex, one side of measuring tape is equipped with the scale, linear motion is done along the center pin direction of supporting seat to the measuring tape, the utility model discloses a supporting seat cooperatees with the mounting hole that is used for installing spark plug or diesel injector, can provide a measurement benchmark for range unit, range unit measures the distance between the piston of supporting seat to engine, can make the audio-visual state of observing the connecting rod of customer under the condition of not tearing open the engine, has greatly shortened the repair time simultaneously.
Description
Technical Field
The utility model belongs to the automobile overhaul instrument field specifically is a connecting rod deformation check out test set.
Background
The vehicle is after the aquatic is stalled, water liquid can be followed air intake manifold and get into the piston cylinder in, because the incompressibility of water, thereby the piston motion stroke can shorten and lead to the bending of engine connecting rod or fracture, need go the vehicle to the maintenance point to overhaul this moment, maintenance personal need take the engine apart under the circumstances that obtains the authorization among the prior art and just can get rid of the state of connecting rod one by one, this maintenance process not only needs the owner to draw money still extravagant maintenance personal's time, need provide an engine fault detection equipment that can reduce the maintenance time cost in order to solve above-mentioned problem.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a connecting rod deformation check out test set to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a connecting rod deformation detecting apparatus includes: the distance measuring device comprises a supporting seat matched with a mounting hole of the engine and a distance measuring device connected with the supporting seat, wherein the distance measuring device measures the distance between the supporting seat and a piston of the engine.
The bottom of supporting seat has the tip butt complex plane with the mounting hole, range unit cooperates with the plane is perpendicular.
The distance measuring device comprises a measuring scale which is in plug-in fit with the supporting seat, scales are arranged on one side of the measuring scale, and the measuring scale moves linearly along the direction of the central shaft of the supporting seat.
In further embodiment, the bottom fixed mounting of supporting seat has the screw thread axle, screw thread axle and mounting hole spiro union cooperation, range unit and screw thread axle's center pin parallel fit, the screw thread axle still is provided with the fender material piece apart from the outside of terminal preset position or opens and has the spacing groove or scribble pigment, can provide the holding power for the supporting seat through the mode of spiro union, makes range unit rigidity carry out the measurement of piston height, has reduced the operation degree of difficulty.
Can provide the degree of depth through setting up fender material ring or spacing groove or pigment and instruct for the user, can provide unified measuring reference for range unit and improve the measuring degree of accuracy.
In a further embodiment, one side of the supporting seat is provided with a threaded through hole, a positioning screw is screwed in the threaded through hole and is in butt fit with the measuring tape, the measuring tape can be positioned through the positioning screw, and the problem that the measuring tape displacement in the prior art causes inaccurate observation is solved.
In a further embodiment, the connecting rod deformation detection equipment further comprises a digital display device fixedly connected with the supporting seat, the digital display device comprises an electronic display fixedly installed on the outer side of the supporting seat, an angular displacement sensor fixedly installed in the supporting seat and a gear rack mechanism rotatably connected with the angular displacement sensor, a gear of the gear rack mechanism is rotatably connected with the angular displacement sensor, a rack of the gear rack mechanism is fixedly installed on one side of the measuring scale, the angular displacement sensor is electrically connected with the electronic display, and the measured value can be amplified through the digital display device to achieve the effect of reducing the measuring error.
In a further embodiment, the distance measuring device is a laser distance measuring sensor or an ultrasonic sensor, and the measuring accuracy can be further improved while the operation steps of the detection device are simplified.
In a further embodiment, the bottom end of the measuring tape is arc-shaped, so that the problem that the surface of the piston is easily scratched due to the fact that the measuring tape has edges and corners in the prior art is solved.
In a further embodiment, the connecting rod deformation detection equipment further comprises an acoustic wave display electrically connected with the ultrasonic sensor, the acoustic wave display displays the acoustic wave propagation distance and the amplitude of the acoustic wave, the distance from the supporting seat to the piston can be accurately known by observing the amplitude of the acoustic wave, and misleading caused by the thickness of carbon deposition is avoided.
Has the advantages that: the utility model discloses a connecting rod deformation check out test set, this connecting rod deformation check out test set passes through the supporting seat and is used for installing spark plug or diesel injector's mounting hole matched with plane, can provide a benchmark of measuring the face for range unit, range unit measures the linear distance between the piston top of supporting seat to engine, can be directly with the high datamation of piston, can be under the condition of not tearing open the engine audio-visually compare the observation with data, confirm the piston cylinder back of intaking, the bending state of piston rod group liquid impact back connecting rod, maintenance time has greatly been shortened simultaneously.
The bottom end of the supporting seat is designed to be in butt fit with the mounting hole of the end portion, the spark plug mounting hole of the gasoline engine and the diesel injector mounting hole of the diesel engine are mounted above the piston in the existing production process, and the center shaft of the mounting hole is parallel to the moving direction of the piston in physical characteristics, so that the distance measuring device can measure the heights of the pistons of the gasoline engine and the diesel engine.
In the machining process of the plurality of mounting holes of the engine with the end planes of the mounting holes, the process requirement of low error exists on the distance from the mounting holes with the end planes of the mounting holes to the piston, the physical characteristic is utilized, the structure of the detection equipment is greatly simplified, the measuring points can be established on a relatively uniform height reference, and the measuring precision is improved.
Through being equipped with the scale and cooperating with the supporting seat, can realize the measurement of piston height with very low manufacturing cost.
Drawings
Fig. 1 is a schematic view of an embodiment of a bottom end plane of a support base according to the present invention.
Fig. 2 is a schematic view of an embodiment of the threaded shaft at the bottom end of the support seat of the present invention.
Fig. 3 is a schematic view of another embodiment of the distance measuring device of the present invention.
Fig. 4 is a waveform diagram of the ultrasonic sensor of the present invention.
Fig. 5 is a schematic view of an embodiment of the support frame of the present invention.
Fig. 6 is a partially cut-away schematic view of a hinge pin according to the present invention.
Fig. 7 is a schematic view of the internal structure of the support frame of the present invention.
Fig. 8 is a schematic partial sectional view of a supporting seat of an embodiment of the supporting frame of the present invention.
Fig. 9 is a partially sectional view of a supporting seat of another embodiment of the supporting frame of the present invention.
Fig. 10 is a schematic diagram of the prior art operating principle.
Figure 11 is a schematic view of the working principle of an embodiment of the support frame of the present invention.
The reference numerals shown in fig. 1 to 11 are: the device comprises a supporting seat 1, a distance measuring device 2, a digital display device 3, an acoustic wave display 4, a supporting frame 5, a threaded shaft 11, a hinge rod 51, a hinge pin 52, a connecting rod 53, a level gauge 54, a hinge shell 511, a telescopic rod 512 and a gear 513.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
When the applicant overhauls an automobile engine, the applicant often encounters the problems that a vehicle owner does not want to overhaul due to overlong time for overhauling the engine after disassembling the engine, the cost is overhigh, maintenance personnel do not want to overhaul, water easily enters a piston cylinder from an air inlet manifold after the vehicle is flamed out in water in the subsequent driving process, the motion stroke of a piston is shortened due to incompressibility of the water, so that a connecting rod of the engine bends or breaks, power is insufficient due to deformation of the connecting rod and reduction of the compression ratio of the cylinder, the accelerator is enlarged by the vehicle owner in order to obtain enough power, the connecting rod deforms more seriously along with increase of the rotating speed, the piston is finally blocked in the piston cylinder, and the broken connecting rod breaks through the cylinder body in serious cases, the state of the connecting rod is judged, the piston height can be directly digitalized under the condition of not disassembling the engine, and the overhauling time and cost are greatly shortened.
This connecting rod deformation check out test set includes: the device comprises a supporting seat 1, a distance measuring device 2, a digital display device 3, an acoustic wave display 4, a supporting frame 5, a threaded shaft 11, a hinge rod 51, a hinge pin 52, a connecting rod 53, a level gauge 54, a hinge shell 511, a telescopic rod 512 and a gear 513.
Supporting seat 1 and the mounting hole cooperation of engine, the mounting hole of engine is used for installing spark plug or diesel injector, and when the terminal surface of mounting hole opened there is the plane, the bottom of supporting seat 1 had the plane with the tip butt complex of mounting hole, and range unit 2 cooperates perpendicularly with the plane this moment.
The working principle is as follows: firstly, a spark plug or a diesel oil injector at the top of a piston cylinder of an engine is detached from an installation hole, a threaded shaft 11 of a support seat 1 is in threaded fit with the installation hole, a measuring scale extends into the piston cylinder to enable the end of the measuring scale to be in butt fit with the piston cylinder, then a crankshaft is rotated, the highest height or the lowest height of a piston in each piston cylinder is measured and recorded in sequence, the recorded data of the highest height or the lowest height of the piston in each piston cylinder is compared, and when the highest height or the lowest height of a single piston is smaller than the height preset values of other pistons, it is judged that a connecting rod of the piston is damaged.
In a further embodiment, due to different processing technologies, the end faces of the mounting holes of some engines are curved surfaces and cannot provide supporting force for the supporting seat 1, and the unsupported distance measuring device 2 needs a maintenance master to fix the position of the distance measuring device 2 by experience, so that the problem of difficulty in operation exists.
In order to solve the problems, a threaded shaft 11 is fixedly installed at the bottom end of the supporting seat 1, the threaded shaft 11 is in threaded fit with the installation hole, the distance measuring device 2 is in parallel fit with the central shaft of the threaded shaft 11, and a material blocking block is further arranged on the outer side of a preset position, away from the tail end, of the threaded shaft 11 or a limiting groove is formed in the outer side or a pigment is coated on the outer side.
Can provide the holding power for supporting seat 1 through the mode of spiro union, make 2 rigidity of range unit carry out the measurement of piston height, reduce the operation degree of difficulty.
Can provide the degree of depth through setting up fender material ring or spacing groove or pigment and instruct for the user, can improve the measuring degree of accuracy for range unit 2 provides unified measuring reference.
In a further embodiment, when the scales of the measuring scale are recorded, the engine is not detached from the vehicle, so that the problem of difficult observation exists, and the problem of inaccurate observation caused by displacement of the measuring scale in the process of taking the detection device off for observation exists.
In order to solve the problems, a threaded through hole is formed in one side of the supporting seat 1, a positioning screw is screwed in the threaded through hole, and the positioning screw is in butt fit with the measuring scale.
The positioning of the measuring tape can be realized through the positioning screw, and the problem of inaccurate observation caused by displacement of the measuring tape in the prior art is solved.
In a further embodiment, the numerical error detectable by the human eye viewing the tick marks is large.
In order to solve the problems, the connecting rod deformation detection equipment further comprises a digital display device 3 fixedly connected with the supporting seat 1, the digital display device 3 comprises an electronic display fixedly installed on the outer side of the supporting seat 1, an angular displacement sensor fixedly installed in the supporting seat 1 and a gear rack mechanism rotatably connected with the angular displacement sensor, a gear of the gear rack mechanism is rotatably connected with the angular displacement sensor, a rack of the gear rack mechanism is fixedly installed on one side of the measuring scale, and the angular displacement sensor is electrically connected with the electronic display.
The digital display device 3 can amplify the measured numerical value to reduce the measurement error.
In another embodiment, the distance measuring device 2 is a laser distance measuring sensor or an ultrasonic sensor in order to further improve the measurement accuracy.
The laser sensor or the ultrasonic sensor can simplify the operation steps of the detection device and can further improve the measurement accuracy.
In a further embodiment, the end of the measuring tape in the prior art has an edge angle, which easily causes a scratch problem to the surface of the piston when the measuring tape abuts against the piston.
In order to solve the problems, the bottom end of the measuring tape is arc-shaped, and the problem that the surface of the piston is easily scratched when the measuring tape has edges and corners in the prior art is solved.
In a further embodiment, the thickness of the soot is a misleading problem for the measuring scale and the laser distance measuring sensor due to the fact that the engine works on the surface of the piston for a long time and the soot with a preset thickness is left on the surface of the piston.
In order to solve the above problem, in the embodiment using ultrasonic sensing, an acoustic wave display 4 electrically connected with the ultrasonic sensor is further included, wherein the sound wave display 4 is positioned outside the vehicle and is held by a maintenance worker or is placed on a workbench, the sound wave display 4 displays the sound wave propagation distance and the amplitude of the sound wave, as shown in fig. 4, the point O shown in the acoustic wave display 4 is the origin of coordinates, the axis t is the acoustic wave propagation distance, the axis h is the amplitude of the received acoustic wave, the point a is the acoustic wave emitting point, the point B is the carbon deposit surface, the point C is the piston surface, the point D is the acoustic wave end point, wherein, the distance from the point A to the point B is the distance from the support seat 1 to the carbon deposit, the thickness from the point B to the point C is the thickness of the carbon deposit, the thickness from the point C to the point D is the thickness of the piston, therefore, the distance from the supporting seat 1 to the piston can be accurately obtained by reading the distance from the point A to the point C during detection, and misguidance caused by the thickness of carbon deposition is avoided.
Based on the above embodiment, the detection method of the engine failure detection apparatus includes S1, removing the spark plug or the diesel injector on the top of the piston cylinder of the engine from the mounting hole, and then selecting the support seat 1 according to whether the end of the mounting hole is provided with a flat surface.
And S2, when the end part of the mounting hole is in an arc shape, the supporting seat 1 fixedly provided with the threaded shaft 11 at the bottom end is in threaded fit with the mounting hole, and when the end part of the mounting hole is in a plane, the supporting seat 1 with the plane at the bottom end is in butt fit with the plane at the end part of the mounting hole.
And S3, fixedly matching the supporting seat 1 with the mounting hole, rotating the crankshaft, and sequentially measuring and recording the highest height or the lowest height of the piston in each piston cylinder.
S4, comparing the recorded highest height or lowest height data of the piston in each piston cylinder, and judging that the connecting rod of the piston is damaged when the highest height or the lowest height of a single piston is smaller than the height preset values of other pistons.
In a further embodiment, as shown in fig. 10, the schematic diagram of the working principle of the prior art that the support seat is used to abut against the end of the mounting hole and the measurement is performed with the end of the mounting hole as a reference, Z is a measured value, X1 is the external dimension of the support seat, X2 is the thickness of the shell of the engine, X3 is the distance from the shell to the piston, and Z = X1+ X2+ X3.
Wherein, X1 can be when processing the supporting seat, and the overall dimension of supporting seat is controlled below 0.1mm, does not have an influence to final contrast, and when processing the engine in prior art, to the inside dimensional error control of casing below 0.1mm, does not have an influence to final contrast.
The end part of the mounting hole is not provided with the plane, the thickness of the shell is not used when the engine is mounted and used, the shell is not subjected to finish machining after demoulding, the size of X2 is not controlled, the error value can reach more than 1mm, even if the end part of the mounting hole is provided with the plane engine, the mounting hole is a multi-step hole, more impurities such as dust, oil stains and the like can be accumulated in the step hole to form a thicker impurity layer when the engine is used for a long time, the thickness of the impurity layer can reach more than 1mm, the measured value Z can also be influenced, the error value of the measured value Z in the prior art can reach more than 1mm, namely, the error of the thickness of the shell, which is the depth of different mounting holes on the same shell, can reach more than.
And the deformation of the connecting rod caused by impact is generally below 3mm, so when the engine damage condition is detected by using a contrast method, the final contrast is affected, the reference is not uniform, and the problem of large error and inaccurate measurement is caused.
In order to solve the above problem, the engine fault detection device further comprises a supporting frame 5, at least two supporting seats 1 and at least two distance measuring devices 2 are arranged, the supporting frame 5 comprises a frame body in hinged fit with the supporting seats 1, and a level meter 54 fixedly installed in the middle of the frame body, and when the heights of the two distance measuring devices 2 are the same, the level meter 54 is in a horizontal state.
As shown in fig. 11, X is the plane where the distance measuring device is located, Y is the distance between the distance measuring device and the piston, whether two different distance measuring devices are located on the plane X can be detected through the level gauge, the measured value Y can be known to avoid the external dimension of the engine case from the figure, the measuring references of two different distance measuring devices 2 are adjusted to the same plane X, and the problem of inaccurate measurement caused by errors caused by the external dimension of the engine case is solved. In a further embodiment, the support frame 5 also has a problem that it is not easy to store due to its fixed volume.
In order to solve the above problems, the support body comprises at least one hinge rod 51, hinge pins 52 rotatably connected with both ends of the hinge rod 51, and a connecting rod 53 rotatably engaged with the hinge pins 52, the top end of the support base 1 is rotatably connected with the connecting rod 53, a level meter 54 is fixedly installed at a position above the middle part of the hinge rod 51, when the number of the hinge rods 51 is greater than or equal to two, the middle part of the hinge rod 51 is rotatably engaged, wherein the middle position of the top end of the support base 1 is rotatably connected with the connecting rod 53 by spherical hinge engagement, so as to avoid lateral deviation when a plurality of support bases 1 are engaged with the connecting rod 53, in this embodiment, the distance measuring device 2 can be a measuring scale or a laser distance measuring sensor or an ultrasonic sensor, the measuring scale is required to be installed at an eccentric position of the support base 1 as shown in fig. 9, the laser distance measuring sensor or the ultrasonic sensor can, the measurement accuracy is further improved.
When only using one articulated rod 51, can measure the alignment engine through the articulated cooperation with the both ends of supporting seat 1 and articulated rod 51, when the quantity more than or equal to two of articulated rod 51, can utilize the articulated cooperation in middle part of articulated rod 51 to measure the V type engine, can accomodate the articulated rod 51 of quantity more than or equal to two through the articulated cooperation of articulated rod 51 moreover, solve the difficult problem of accomodating of braced frame 5.
In a further embodiment, since the hinge rod 51 is fixed in size, there is a possibility that only engines of fixed size can be measured, and engines of different sizes cannot be measured.
In order to solve the above problems, the hinge rod 51 comprises a hinge housing 511, telescopic rods 512 inserted at two ends of the hinge housing 511, and a gear 513 installed at a middle position inside the hinge housing 511, wherein the gear 513 is rotatably connected with the hinge housing 511, a hinge pin 52 is in hinged fit with one end of the telescopic rod 512 far away from the hinge housing 511, the telescopic rod 512 is located inside the hinge housing 511 and is provided with a rack part engaged with the gear 513, when the telescopic rod 512 at one end of the hinge housing 511 makes a linear motion, the telescopic rod 512 at the other end makes a linear motion in opposite directions, and the displacement distances of the telescopic rods 512 at two ends are matched, wherein the gear 513 is rotatably connected with the hinge housing 511 through a bearing and a hollow shaft, when at least two hinge rods 51 are required, a pin can be used to be inserted into and matched with at least two hollow shafts, the center positions of at least two hinge rods 51 are rotatably connected together, a groove in the hinge housing 511 and, the telescoping rod 512 is guided.
Through the meshing cooperation of telescopic link 512 and gear 513, can make the telescopic link 512 at hinge shell 511 both ends do synchronous linear motion, can guarantee that spirit level 54 is located the intermediate position of hinge bar 51 all the time, and can measure the engine of not unidimensional, and can also withdraw the telescopic link 512 when not using in the hinge shell 511, be favorable to accomodating check out test set, it is the same to stretch out the distance through making telescopic link 512, even can guarantee that the distance that the telescopic link 512 between the telescopic link 512 of two and above hinge bar 51 stretches out is different, also can form between range unit 2 and use spirit level 54 as the regular polygon of mid point, this moment as long as range unit 2 is the same to the vertical distance of spirit level 54, can guarantee measurement accuracy.
In the above embodiment, the length of the connecting rod 53 hinged to the same hinge rod 51 is the same, the length of the connecting rod 53 hinged to different hinge rods 51 is different, the vertical distance from the distance measuring device 2 to the level 54 is the same when the angles of the hinge rods 51 and the connecting rod 53 are the same, and the effect of controlling the vertical distance from the distance measuring device 2 to the level 54 can be achieved by controlling the length of the connecting rod 53.
In a further embodiment, although the above detection method can accurately measure the height of each piston by using the support seat 1 with the planar bottom end, the crankshaft needs to be rotated, which is easy to cause secondary damage to the damaged connecting rod and the piston cylinder, the crankshaft needs to be rotated to remove the timing belt of the engine, and the detection process is not simple enough.
In order to solve the above problem, a detection method of an engine failure detection apparatus includes: firstly, selecting a supporting frame 5 with one hinged rod 51 or two or more hinged rods 51 according to the type of an engine, then determining a piston which synchronously works according to the type of the engine, adjusting the length of a telescopic rod 512 to a preset length, then removing a spark plug or a diesel oil injector at the top of a piston cylinder of the engine from an installation hole, screwing and matching a supporting seat 1 with the installation hole, paying attention to the state of a level meter 54 in the process of installing the supporting seat 1, measuring the height of the piston by a measuring ruler or a laser ranging sensor or an ultrasonic sensor after all the supporting seats 1 are fixed and the level meter 54 shows that the supporting frame 5 is in a horizontal state, and judging whether the connecting rod of the piston is damaged or not according to the compared piston height which synchronously works.
Utilize the piston cylinder to intake and be the time intaking when breathing in before the single cylinder ignition, lead to this intake piston cylinder can't ignite, the inertia of elimination flywheel when receiving flywheel inertia to crush the connecting rod, make this phenomenon of engine stop work known, only one connecting rod can take place deformation after the vehicle stalls in aqueous, even the flywheel rotational speed leads to many connecting rods impaired too fast, it is more serious to deduce the piston cylinder matched with graduated flask deformation of intaking earlier, piston height through measuring and contrast synchronous working this moment, can be when need not demolish the timing belt, detect the state of connecting rod when rotating the bent axle, the detection technology has both been simplified, avoided causing the secondary damage to impaired connecting rod and piston cylinder again.
Claims (7)
1. A connecting rod deformation detecting apparatus, comprising: the distance measuring device is used for measuring the distance between the supporting seat and a piston of the engine;
the bottom end of the supporting seat is provided with a plane which is in butt fit with the end part of the mounting hole, and the distance measuring device is vertically matched with the plane;
the distance measuring device comprises a measuring scale which is in plug-in fit with the supporting seat, scales are arranged on one side of the measuring scale, and the measuring scale moves linearly along the direction of the central shaft of the supporting seat.
2. The connecting rod deformation detection device of claim 1, wherein a threaded shaft is fixedly mounted at the bottom end of the supporting seat, the threaded shaft is in threaded fit with the mounting hole, the distance measuring device is in parallel fit with a central shaft of the threaded shaft, and a material blocking block is further arranged on the outer side of a preset position of the threaded shaft away from the tail end or a limiting groove is formed in the outer side of the preset position or the outer side of the preset position is coated with pigment.
3. The connecting rod deformation detection device according to claim 1 or 2, wherein a threaded through hole is further formed in one side of the supporting seat, a positioning screw is further screwed in the threaded through hole, and the positioning screw is in abutting fit with the measuring scale.
4. The connecting rod deformation detecting device according to claim 3, further comprising a digital display device fixedly connected with the supporting seat, wherein the digital display device comprises an electronic display fixedly installed on the outer side of the supporting seat, an angular displacement sensor fixedly installed in the supporting seat, and a rack and pinion mechanism rotatably connected with the angular displacement sensor, a gear of the rack and pinion mechanism is rotatably connected with the angular displacement sensor, a rack of the rack and pinion mechanism is fixedly installed on one side of the measuring scale, and the angular displacement sensor is electrically connected with the electronic display.
5. The connecting rod deformation detecting apparatus according to claim 3, wherein the distance measuring device is a laser distance measuring sensor or an ultrasonic sensor.
6. The connecting rod deformation detecting apparatus according to claim 3, wherein the bottom end of the measuring tape is curved.
7. The connecting rod deformation detecting apparatus according to claim 5, further comprising an acoustic wave display electrically connected to the ultrasonic sensor, the acoustic wave display displaying an acoustic wave propagation distance and an amplitude of the acoustic wave.
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|---|---|---|---|
| CN202021532737.5U CN212645621U (en) | 2020-07-29 | 2020-07-29 | Connecting rod deformation detection equipment |
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| CN202021532737.5U CN212645621U (en) | 2020-07-29 | 2020-07-29 | Connecting rod deformation detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959351A (en) * | 2021-09-07 | 2022-01-21 | 北京建筑大学 | Omnibearing dynamic deformation test monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959351A (en) * | 2021-09-07 | 2022-01-21 | 北京建筑大学 | Omnibearing dynamic deformation test monitoring device |
| CN113959351B (en) * | 2021-09-07 | 2023-08-11 | 北京建筑大学 | Omnibearing dynamic deformation test monitoring device |
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