CN114322737A - Connecting rod thickness measuring device and measuring method thereof - Google Patents

Connecting rod thickness measuring device and measuring method thereof Download PDF

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Publication number
CN114322737A
CN114322737A CN202210001941.1A CN202210001941A CN114322737A CN 114322737 A CN114322737 A CN 114322737A CN 202210001941 A CN202210001941 A CN 202210001941A CN 114322737 A CN114322737 A CN 114322737A
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CN
China
Prior art keywords
connecting rod
measuring device
gear
thickness measuring
groove
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Pending
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CN202210001941.1A
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Chinese (zh)
Inventor
缪桃生
丁平峰
王琪
卞翔
陶丽佳
孙丁宇
杜佳轩
包振明
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JIANGSU HONGBAO FORGING CO Ltd
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JIANGSU HONGBAO FORGING CO Ltd
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Priority to CN202210001941.1A priority Critical patent/CN114322737A/en
Publication of CN114322737A publication Critical patent/CN114322737A/en
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Abstract

The invention discloses a connecting rod thickness measuring device, which comprises a transmission belt, an involute gear, an encoder and a reset motor, and also discloses a using method of the connecting rod thickness measuring device, which comprises the following steps of a positioning process of a connecting rod; the relative motion process of the connecting rod and the involute gear; detecting the component; resetting the involute gear; according to the connecting rod thickness measuring device, the connecting rod thickness measuring device formed by combining the transmission belt, the involute gear, the encoder and the reset motor is arranged, so that the detection assembly is stressed through the relative movement between the involute gear and the connecting rod, the stress value of the detection assembly can be changed under different conditions according to the thickness of the connecting rod, the purpose of measuring the thickness of the connecting rod is achieved, and compared with a traditional manual measuring mode, the connecting rod thickness measuring device is higher in measuring efficiency and higher in detection accuracy.

Description

Connecting rod thickness measuring device and measuring method thereof
Technical Field
The invention relates to the technical field related to connecting rod thickness detection, in particular to a connecting rod thickness measuring device and a measuring method thereof.
Background
The connecting rod is an important component of an automobile engine, the thickness dimension of the connecting rod has strict requirements, the connecting rod is generally detected by a caliper, but manual detection usually only detects the geometric dimension of the position of the connecting rod part, the limitation of detection data is too large, the data accuracy is improved by increasing the number of the detection positions, the overall detection efficiency is reduced, the accuracy of the detection data obtained by manual single measurement is low, and the requirement of the modern technology development is not met.
Disclosure of Invention
The invention aims to provide a connecting rod thickness measuring device and a measuring method thereof, which are used for solving the problem that the connecting rod thickness detection data provided in the background technology is often inaccurate.
In order to achieve the purpose, the invention provides the following technical scheme: a connecting rod thickness measuring device and a measuring method thereof are provided, the connecting rod thickness measuring device includes:
the transmission belt comprises a transmission belt, wherein a mounting seat is fixedly mounted on a baffle of the transmission belt, a bearing seat is fixedly mounted on the mounting seat, a ball bearing is fixedly mounted in the bearing seat, and a rotating shaft is fixedly mounted in an inner ring of the ball bearing;
the involute gear is fixedly arranged on the rotating shaft and consists of a gear body and a detection assembly;
the encoder is fixedly arranged on the mounting seat and corresponds to the rotating shaft;
the reset motor is fixedly arranged on the mounting seat, and a rotor of the reset motor is connected with the rotating shaft through a coupler;
the connecting rod to be detected is placed on the transmission belt and passes through the position right below the involute gear.
Preferably, the mounting groove has been seted up on the gear body lateral wall of involute gear, the guide bar groove has been seted up to the bottom surface of mounting groove, the guide bar groove all corresponds with the mounting groove and is provided with a plurality ofly, and the detection subassembly sets up among the mounting groove.
Preferably, the detection assembly is composed of a gear tooth, a guide rod, a reset assembly and a piezoresistor in a combined mode, the gear tooth is movably arranged in the mounting groove, the guide rod is fixedly connected with the gear tooth, the guide rod is movably arranged in the guide rod groove, the reset assembly is sleeved on the guide rod, the piezoresistor is fixedly connected with the reset assembly, and the other end of the piezoresistor is connected with the groove bottom of the mounting groove.
Preferably, an annular groove is formed in the gear body, the annular groove is communicated with the guide rod groove, a signal transmission module is arranged in the annular groove, the signal transmission module is in electric signal connection with a signal processing module on the measuring device, a wire routing hole is formed in the rod body of the guide rod, a wire routing groove is formed in the side wall of the wire routing hole, the piezoresistor is in electric signal connection with the signal transmission module through a wire, and the wire is a spring wire body.
Preferably, the reset assembly is composed of a first connecting plate, a second connecting plate and reset springs, and a plurality of reset springs are uniformly arranged between the first connecting plate and the second connecting plate.
Preferably, when the connecting rod flows to a position right below the involute gear, the return spring is in a compressed state.
Preferably, piezo-resistor, reset motor, encoder all carry out signal connection with control center, and when reset motor was in the reset state, one of them gear tooth was vertical setting down on the involute gear.
Preferably, the conveying roller shafts on the transmission belt are uniformly provided with a plurality of groups, and the setting distance value between the conveying roller shafts is less than one third of the length of the connecting rod.
Preferably, a workpiece groove is formed in the conveying belt of the conveying belt.
The using method of the connecting rod thickness measuring device comprises the following steps:
the workpiece positioning process comprises: placing the connecting rod to be detected in the workpiece groove;
the workpiece conveying process comprises the following steps: driving the transmission belt to move, and when the connecting rod to be detected moves to the position of the involute gear, pushing the involute gear to rotate by the connecting rod to be detected;
the measurement process comprises the following steps: in the rotation process of the involute gear, the stress of a piezoresistor on the detection assembly is detected, the stress numerical value of the piezoresistor is transmitted to the control center, and the numerical value is converted into the thickness value of the connecting rod;
the recording process of the rotation angle: then, recording the rotation angle of the involute gear according to an encoder;
resetting: the reset motor rotates reversely to make the involute gear complete the reset process.
Compared with the prior art, the method has the following beneficial effects:
through setting up by the drive belt, the involute gear, the connecting rod thickness measurement device that encoder and reset motor combination constitute, and constitute by gear body and determine module combination through setting the involute gear, and set up the mounting groove on the gear body lateral wall, thereby let the determine module atress through the relative motion between involute gear and the connecting rod, thereby according to connecting rod thickness under the condition of difference, determine module's stress value size can change, thereby reach the purpose of realizing the measurement to connecting rod thickness, it is compared in traditional manual measurement mode, its measurement of efficiency is faster, and it also can be higher to detect the accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of an involute gear of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a detecting assembly according to the present invention;
fig. 5 is an enlarged view of the structure at B in fig. 4.
In the figure: the device comprises a transmission belt 1, a mounting seat 2, a bearing seat 3, a rotating shaft 4, an involute gear 5, an encoder 6, a reset motor 7, a gear body 8, a detection component 9, a connecting rod 10, a transmission belt 11, a workpiece groove 12, a transmission roller shaft 13, a mounting groove 14, a guide rod groove 15, gear teeth 16, a guide rod 17, a reset component 18, a piezoresistor 19, a first connecting plate 20, a reset spring 22, an annular groove 23, a signal transmission module 24, a wiring hole 25, a wiring groove 26 and a wire 27.
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 order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1-4, the present invention provides a technical solution: a connecting rod thickness measuring device and a measuring method thereof are provided, the connecting rod thickness measuring device comprises:
the transmission belt comprises a transmission belt 1, wherein a mounting seat 2 is fixedly mounted on a baffle plate of the transmission belt 1, a bearing seat 3 is fixedly mounted on the mounting seat 2, a ball bearing is fixedly mounted in the bearing seat 3, and a rotating shaft 4 is fixedly mounted in an inner ring of the ball bearing;
the involute gear 5 is fixedly arranged on the rotating shaft 4, and the involute gear 5 is formed by combining a gear body 8 and a detection assembly 9;
the encoder 6 is fixedly arranged on the mounting seat 2, and the encoder 6 is arranged corresponding to the rotating shaft 4;
the reset motor 7 is fixedly arranged on the mounting seat 2, and a rotor of the reset motor 7 is connected with the rotating shaft 4 through a coupler;
treat connecting rod 10 and put on drive belt 1, and connecting rod 10 passes through from involute gear 5 under, through setting up by drive belt 1, involute gear 5, encoder 6 and reset motor 7 combination's connecting rod thickness measurement device, and constitute through setting involute gear 5 to by gear body 8 and detection component 9 combination, and set up mounting groove 14 on gear body 8 lateral wall, thereby let detection component 9 atress through the relative motion between involute gear 5 and connecting rod 10, thereby under the condition of difference according to connecting rod 10 thickness, detection component 9's stress value size can change, thereby reach and realize the measuring purpose to connecting rod 10 thickness, it compares in traditional manual measurement mode, its measurement efficiency is faster, and it also can be higher to detect the accuracy.
The ring-shaped groove 23 is formed in the gear body 8, the ring-shaped groove 23 is communicated with the guide rod groove 15, the ring-shaped groove 23 is internally provided with a signal transmission module 24, the signal transmission module 24 is in electric signal connection with a signal processing module on the measuring device, the rod body of the guide rod 17 is provided with a wiring hole 25, the side wall of the wiring hole 25 is provided with a wiring groove 26, the piezoresistor 19 is in electric signal connection with the signal transmission module 24 through a wire 27, and the wire 27 is a spring wire body.
The side wall of a gear body 8 of the involute gear 5 is provided with a mounting groove 14, the bottom surface of the mounting groove 14 is provided with a guide rod groove 15, the guide rod grooves 15 and the mounting grooves 14 are correspondingly provided with a plurality of guide rod grooves, and the detection assembly 9 is arranged in the mounting groove 14;
a plurality of groups of conveying roller shafts 13 are uniformly arranged on the conveying belt 1, the distance value between the conveying roller shafts 13 is smaller than one third of the length of the connecting rod 10, and a workpiece groove 12 is formed in the conveying belt 11 of the conveying belt 1, so that the stability of the connecting rod 10 in the transmission process is improved;
the working principle is as follows: through setting the connecting rod thickness measuring device composed of the combination of the transmission belt 1, the involute gear 5, the encoder 6 and the reset motor 7, and through setting the involute gear 5 to be composed of the combination of the gear body 8 and the detection component 9, and arranging the mounting groove 14 on the side wall of the gear body 8, the detection component 9 is stressed through the relative movement between the involute gear 5 and the connecting rod 10, so that the magnitude of the stress value of the detection component 9 can be changed under different conditions according to the thickness of the connecting rod 10, thereby achieving the purpose of measuring the thickness of the connecting rod 10, compared with the traditional manual measurement mode, the measuring efficiency is faster, and the detection accuracy is higher, when in actual use, a worker firstly places the connecting rod 10 to be detected in the workpiece groove 12, then drives the transmission belt 1 to move, when the connecting rod 10 to be detected moves to the position of the involute gear 5, the connecting rod 10 to be detected pushes the involute gear 5 to rotate, and in the rotating process of the involute gear 5, the piezoresistor 19 on the detection assembly 9 is stressed, the stress numerical value of the piezoresistor 19 is transmitted to the control center, and the numerical value is converted into the thickness value of the connecting rod 10, so that the measurement of the thickness of the connecting rod 10 is completed.
Example two
On the basis of the first embodiment, the detection assembly 9 is formed by combining a gear tooth 16, a guide rod 17, a reset assembly 18 and a piezoresistor 19, wherein the gear tooth 16 is movably arranged in the installation groove 14, the guide rod 17 is fixedly connected with the gear tooth 16, the guide rod 17 is movably arranged in the guide rod groove 15, the reset assembly 18 is sleeved on the guide rod 17, the piezoresistor 19 is fixedly connected with the reset assembly 18, and the other end of the piezoresistor 19 is connected with the groove bottom of the installation groove 14;
the reset component 18 is formed by combining a first connecting plate 20, a second connecting plate and reset springs 22, a plurality of reset springs 22 are uniformly arranged between the first connecting plate 20 and the second connecting plate, and the overall elastic effect of the reset component 18 is effectively improved through the plurality of reset springs 22;
when the connecting rod 10 flows to the position right below the involute gear 5, the return spring 22 is in a compressed state;
the piezoresistor 19, the reset motor 7 and the encoder 6 are all in electrical signal connection with the control center, and when the reset motor 7 is in a reset state, one of the gear teeth 16 on the involute gear 5 is vertically arranged downwards, so that the involute gear 5 and the connecting rod 10 can be in contact when moving mutually;
the remaining technical features and technical effects of the detection apparatus of the present embodiment are the same as those of the first embodiment.
EXAMPLE III
The using method of the connecting rod thickness measuring device comprises the following steps:
the workpiece positioning process comprises: placing the connecting rod 10 to be detected in the workpiece groove 12;
the workpiece conveying process comprises the following steps: the driving belt 1 is driven to move, and when the connecting rod 10 to be detected moves to the position of the involute gear 5, the connecting rod 10 to be detected pushes the involute gear 5 to rotate;
the measurement process comprises the following steps: in the rotation process of the involute gear 5, the piezoresistor 19 on the detection assembly 9 is stressed, the stress numerical value of the piezoresistor 19 is transmitted to the control center, and the numerical value is converted into the thickness value of the connecting rod 10;
the recording process of the rotation angle: then, the rotation angle of the involute gear 5 is recorded according to the encoder 6;
resetting: the reset motor 7 rotates reversely to enable the involute gear 5 to complete the reset process;
the remaining technical features and technical effects of the detection apparatus of the present embodiment are the same as those of the embodiment.
Although the illustrative embodiments of the present application have been described above to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the embodiments, and various modifications within the spirit and scope of the present application defined and determined by the appended claims will be apparent to those skilled in the art from this disclosure.

Claims (10)

1. A connecting rod thickness measuring device which characterized in that: the connecting rod thickness measuring device includes:
the transmission belt comprises a transmission belt (1), wherein a mounting seat (2) is fixedly mounted on a baffle of the transmission belt (1), a bearing seat (3) is fixedly mounted on the mounting seat (2), a ball bearing is fixedly mounted in the bearing seat (3), and a rotating shaft (4) is fixedly mounted in an inner ring of the ball bearing;
the involute gear (5) is fixedly arranged on the rotating shaft (4), and the involute gear (5) is formed by combining a gear body (8) and a detection assembly (9);
the encoder (6) is fixedly arranged on the mounting seat (2), and the encoder (6) is arranged corresponding to the rotating shaft (4);
the reset motor (7), the reset motor (7) is fixedly installed on the mounting seat (2), and a rotor of the reset motor (7) is connected with the rotating shaft (4) through a coupler;
a connecting rod (10) to be detected is placed on the transmission belt (1), and the connecting rod (10) passes through the position right below the involute gear (5).
2. A connecting rod thickness measuring device according to claim 1, wherein: the involute gear is characterized in that a mounting groove (14) is formed in the side wall of a gear body (8) of the involute gear (5), a guide rod groove (15) is formed in the bottom surface of the mounting groove (14), the guide rod groove (15) and the mounting groove (14) are correspondingly provided with a plurality of guide rod grooves, and a detection assembly (9) is arranged in the mounting groove (14).
3. A connecting rod thickness measuring device according to claim 2, wherein: detection element (9) comprises gear tooth (16), guide arm (17), subassembly (18) and piezo-resistor (19) combination, gear tooth (16) activity sets up among mounting groove (14), guide arm (17) and gear tooth (16) fixed connection, and guide arm (17) activity sets up among guide bar groove (15), reset element (18) cover is established on guide arm (17), and piezo-resistor (19) and subassembly (18) fixed connection that resets, and the other end of piezo-resistor (19) is connected with the tank bottom of mounting groove (14).
4. A connecting rod thickness measuring device according to claim 3, wherein: the gear comprises a gear body (8) and is characterized in that an annular groove (23) is formed in the gear body (8), the annular groove (23) is communicated with a guide rod groove (15), a signal transmission module (24) is arranged in the annular groove (23), the signal transmission module (24) is in electrical signal connection with a signal processing module on a measuring device, a wire walking hole (25) is formed in a rod body of the guide rod (17), a wire walking groove (26) is formed in the side wall of the wire walking hole (25), a piezoresistor (19) is in electrical signal connection with the signal transmission module (24) through a wire (27), and the wire (27) is a spring wire body.
5. A connecting rod thickness measuring device according to claim 3, wherein: the reset assembly (18) is composed of a first connecting plate (20), a second connecting plate and reset springs (22) in a combined mode, and a plurality of reset springs (22) are evenly arranged between the first connecting plate (20) and the second connecting plate.
6. The connecting rod thickness measuring device according to claim 5, wherein: when the connecting rod (10) flows to the position right below the involute gear (5), the return spring (22) is in a compressed state.
7. The connecting rod thickness measuring device according to claim 6, wherein: piezoresistor (19), reset motor (7), encoder (6) all carry out signal of telecommunication with control center and are connected, and when reset motor (7) were in reset state, one of them gear tooth (16) was vertical setting down on involute gear (5).
8. A connecting rod thickness measuring device according to claim 7, wherein: conveying roller axle (13) are evenly provided with the multiunit on drive belt (1), and the distance value that sets up between conveying roller axle (13) is less than one third of connecting rod (10) length.
9. A connecting rod thickness measuring device according to claim 8, wherein: a workpiece groove (12) is formed in the conveying belt (11) of the conveying belt (1).
10. A method of using a connecting rod thickness measuring device according to any one of claims 1 to 9, wherein: the using method of the connecting rod thickness measuring device comprises the following steps:
the workpiece positioning process comprises: placing a connecting rod (10) to be detected in a workpiece groove (12);
the workpiece conveying process comprises the following steps: the driving belt (1) is driven to move, and when the connecting rod (10) to be detected moves to the position of the involute gear (5), the connecting rod (10) to be detected pushes the involute gear (5) to rotate;
the measurement process comprises the following steps: in the rotating process of the involute gear (5), the stress of a piezoresistor (19) on the detection assembly (9) is detected, the stress numerical value of the piezoresistor (19) is transmitted to the control center, and the numerical value is converted into the thickness value of the connecting rod (10);
the recording process of the rotation angle: then, recording the rotation angle of the involute gear (5) according to the encoder (6);
resetting: the reset motor (7) rotates reversely to enable the involute gear (5) to complete the reset process.
CN202210001941.1A 2022-01-04 2022-01-04 Connecting rod thickness measuring device and measuring method thereof Pending CN114322737A (en)

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Application Number Priority Date Filing Date Title
CN202210001941.1A CN114322737A (en) 2022-01-04 2022-01-04 Connecting rod thickness measuring device and measuring method thereof

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Application Number Priority Date Filing Date Title
CN202210001941.1A CN114322737A (en) 2022-01-04 2022-01-04 Connecting rod thickness measuring device and measuring method thereof

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CN114322737A true CN114322737A (en) 2022-04-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115388750A (en) * 2022-09-13 2022-11-25 中核(天津)科技发展有限公司 Measuring mechanism for detecting special-shaped ring, special-shaped ring detecting device and measuring method
CN116296970A (en) * 2023-05-22 2023-06-23 山东工程职业技术大学 Automobile chain transmission wear test equipment and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115388750A (en) * 2022-09-13 2022-11-25 中核(天津)科技发展有限公司 Measuring mechanism for detecting special-shaped ring, special-shaped ring detecting device and measuring method
CN115388750B (en) * 2022-09-13 2023-06-23 中核(天津)科技发展有限公司 Measuring mechanism for special-shaped ring detection, special-shaped ring detection device and measuring method
CN116296970A (en) * 2023-05-22 2023-06-23 山东工程职业技术大学 Automobile chain transmission wear test equipment and method

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