CN210036535U - Engine connecting rod height gauge - Google Patents
Engine connecting rod height gauge Download PDFInfo
- Publication number
- CN210036535U CN210036535U CN201921189999.3U CN201921189999U CN210036535U CN 210036535 U CN210036535 U CN 210036535U CN 201921189999 U CN201921189999 U CN 201921189999U CN 210036535 U CN210036535 U CN 210036535U
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- China
- Prior art keywords
- connecting rod
- hole
- base
- engine connecting
- major part
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 208000004141 microcephaly Diseases 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000010923 batch production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to an utensil is examined to engine connecting rod height. The utility model discloses an examine earlier zero set to the percentage table when using, adopt the standard body to install on examining the utensil and use the percentage table to measure promptly, then begin to measure, insert little head hole locating pin with the microcephaly hole of connecting rod and press down on, make its and microcephaly hole locating surface location fit, make the major part hole and the major part hole locating pin location fit of connecting rod and push down this locating pin simultaneously, realize the location fit of connecting rod on the base this moment, then with the measuring stick and the connecting rod contact of percentage table, observe the reading of percentage table, including the height dimension of standard body is the height dimension of work piece promptly, this kind is examined the utensil and can be detected engine connecting rod very conveniently, detection efficiency and detection precision have been improved, the problem of current detection mode detection inefficiency, the reliability is poor.
Description
Technical Field
The utility model relates to an utensil is examined to engine connecting rod height.
Background
The engine connecting rod is an important part in the engine, and the processing precision of the engine connecting rod directly influences the working performance of the engine. Particularly, the height dimension of the connecting rod directly determines the structural strength of the connecting rod, and particularly needs to be detected in the machining process. The existing detection mode is generally a manual measurement mode, namely a vernier caliper, a height gauge and other detection tools are used for detecting the height of the engine connecting rod, the detection mode is low in efficiency, the reliability of a detection result is poor, and the detection mode cannot be applied to large-batch production. Therefore, a special gauge is needed to detect the height of the engine connecting rod.
SUMMERY OF THE UTILITY MODEL
The utility model provides an utensil is examined to engine connecting rod height to solve the problem that current detection mode detection efficiency is low, the reliability is poor.
The utility model discloses an engine connecting rod height is examined utensil and is adopted following technical scheme:
the height gauge for the engine connecting rod comprises a base, wherein a large-head hole positioning surface used for positioning a large-head hole end face and a small-head hole positioning surface used for positioning a small-head hole end face are arranged on the base, a small-head hole positioning pin used for inserting and positioning a small-head hole of the connecting rod is arranged at the small-head hole positioning surface, the large-head hole positioning surface is elastically and floatingly assembled up and down to be provided with a large-head hole positioning pin used for positioning the large-head hole of the engine connecting rod, and a dial indicator used for detecting a screw mounting table positioned at the large-head hole of the connecting rod on the small-head hole positioning pin and the large-head hole positioning pin is mounted on the base.
The big-end hole positioning pin comprises a guide section and an installation section, wherein the guide section is matched with the base in a guiding and moving mode along the up-down direction, the installation section is arranged below the guide section, a spring is sleeved on the installation section, one end of the spring is matched with the guide section in a blocking mode, the other end of the spring is matched with the base in a blocking mode, and the upper end of the guide section stretches to the position above the big-end hole positioning surface so as to be matched with a big-end hole of the connecting rod.
The base is provided with a through hole for the large-head hole positioning pin to vertically guide and move, the lower end of the through hole is provided with a baffle, the installation section penetrates through the baffle and is in blocking fit with the outer side of the baffle through a blocking piece, and the spring is installed between the baffle and the guide section.
The baffle is installed on the base through a bolt, and the stopping piece is a nut installed on the guide section.
The upper end of the big end hole positioning pin is a conical structure for positioning and matching the big end hole.
The base is provided with a large-head hole positioning block and a small-head hole positioning block, the large-head hole positioning surface is formed on the upper side surface of the large-head hole positioning block, and the small-head hole positioning surface is formed on the upper side surface of the small-head hole positioning block.
The big end hole positioning block and the small end hole positioning block are both installed on the base through bolts.
The dial indicator is provided with two, and all installs through the table frame on the base.
The utility model has the advantages that: the utility model discloses an examine earlier zero set to the percentage table when using, adopt the standard body to install on examining the utensil and use the percentage table to measure promptly, then begin to measure, insert little head hole locating pin with the microcephaly hole of connecting rod and press down on, make its and microcephaly hole locating surface location fit, make the major part hole and the major part hole locating pin location fit of connecting rod and push down this locating pin simultaneously, realize the location fit of connecting rod on the base this moment, then with the measuring stick and the connecting rod contact of percentage table, observe the reading of percentage table, including the height dimension of standard body is the height dimension of work piece promptly, this kind is examined the utensil and can be detected engine connecting rod very conveniently, detection efficiency and detection precision have been improved, the problem of current detection mode detection inefficiency, the reliability is poor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an embodiment of the engine connecting rod height gauge of the present invention;
FIG. 2 is a top view of FIG. 1;
in the figure: 1. a baffle plate; 2. a spring; 3. a nut; 4. a baffle bolt; 5. a dial indicator; 6. a large-head hole positioning pin; 7. a big end hole positioning block; 8. a small-head hole positioning pin; 9. a small-head hole positioning block; 10. a base; 100. a connecting rod; 51. a watch frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an embodiment of utensil is examined to engine connecting rod height, as shown in FIG. 1 to FIG. 2, utensil is examined to engine connecting rod height, including base 10, be equipped with the major part hole locating surface that is used for fixing a position major part hole terminal surface on the base 10 and with the microcephaly hole locating surface of fixing a position microcephaly hole terminal surface, microcephaly hole locating surface department is equipped with microcephaly hole locating pin 8 that is used for supplying connecting rod 100 microcephaly hole plug-in mounting location, elasticity floats about major part hole locating surface department and is equipped with major part hole locating pin 6 that is used for the major part hole location to engine connecting rod 100, install on the base 10 and be used for carrying out the percentage table 5 that detects to the screw mount table of the major part hole department of connecting rod 100 of location on microcephaly hole locating pin 8 and major.
In this embodiment, the big-end hole positioning pin 6 includes a guiding section that is movably matched with the base 10 along the vertical direction and an installation section disposed below the guiding section, the installation section is sleeved with a spring 2 having one end in stop fit with the guiding section and the other end in stop fit with the base, and the upper end of the guiding section overhangs above the big-end hole positioning surface so as to be matched with the big-end hole of the connecting rod. The guide section ensures the guide movement matching of the large-head hole positioning pin 6 and the base, and the spring 2 is adopted to provide elastic force, so that the structure is simple and the installation is convenient.
The base is provided with a through hole for guiding the big-end hole positioning pin 6 to move up and down, the lower end of the through hole is provided with the baffle 1, the installation section penetrates through the baffle 1 and is in blocking fit with the outer side of the baffle 1 through the blocking piece, and the spring 2 is installed between the baffle 1 and the guide section. The baffle can guarantee that spring 2 is restricted in the through-hole effectively, simple to operate, and the reliability is very high.
Specifically, for the convenience of installation, the baffle is detachably installed on the base through a baffle bolt 4, and the stopping piece is a nut 3 installed on the guide section. This enables its releasable connection by means of the blind bolt 4 during the mounting process.
In order to improve the positioning accuracy of the big-end hole, in the present embodiment, the upper end of the big-end hole positioning pin 6 is a tapered structure for positioning and matching the big-end hole. In the positioning and matching process, the big end hole is directly matched with the conical structure, so that the positioning is more reliable, and the connecting rod can be taken out conveniently after measurement.
Install big head hole locating piece 7 and microcephaly hole locating piece 9 on the base, big head hole locating surface is formed to the upside face of big head hole locating piece 7, microcephaly hole locating surface is formed to the upside face of microcephaly hole locating piece 9, and this kind of structure is in order to guarantee to have certain interval between connecting rod and the base to be convenient for install and dismantle the connecting rod.
In order to reduce the manufacturing cost of the checking fixture, in the embodiment, the large-head hole positioning block 7 and the small-head hole positioning block 9 are both mounted on the base through bolts, so that the base and the two positioning blocks can be assembled after being processed separately, and the bolts can be replaced directly in memorability if the bolts need to be replaced and disassembled.
The dial indicator 5 is provided with two dial indicators and is arranged on the base through an indicator frame 51. The two dial indicators are used for measuring two bolt installation steps on two sides of the connecting rod, so that the effect of measuring the two steps in one installation can be realized, and the detection efficiency is improved.
The utility model discloses an examine earlier zero setting to the percentage table when using, adopt the standard body to install on examining the utensil and use the percentage table to measure promptly, then begin to measure, insert little head hole of connecting rod on little head hole locating pin 8 and press down, make its and little head hole locating surface location fit, make the major part hole and the major part hole locating pin location fit of connecting rod and push down this locating pin simultaneously, realize the location fit of connecting rod on the base this moment, then with the measuring stick and the connecting rod contact of percentage table, observe the reading of percentage table, including the height dimension of standard body promptly be the height dimension of work piece, this kind is examined the utensil and is detected engine connecting rod very conveniently, detection efficiency and detection precision have been improved, the problem of current detection mode detection efficiency low, the reliability is poor.
The specific use method is as follows: 1. before measurement, water stains, oil stains and the like on the platform, the dial indicator and two planes of a workpiece are removed by cloth, and the large head hole, the small head hole, the large head positioning pin and the small head positioning pin are cleaned;
2. the method comprises the steps that a measuring rod of a dial indicator is pulled up by 1mm by hand, the standard body is placed on a checking fixture platform with the size surface facing upwards, the measuring rod of the dial indicator is released to be in contact with the standard body, the scale of the dial indicator is adjusted to 0 according to the size marked by the standard body, the value of a small pointer is checked, and the difference value of the dial indicator cannot exceed the range required by the standard body;
3. after calibration is finished, the dial indicator measuring rod is pulled up by 1mm, meanwhile, the workpiece is placed on the checking fixture platform face up, the dial indicator measuring rod is released to be in contact with the workpiece, the dial indicator scale is observed, the workpiece height is obtained after the standard body height is added, and whether the small pointer value is within the tolerance range is checked.
The utility model discloses in, the purpose of major part locating pin adoption elasticity floating structure is in order to improve the convenience that the connecting rod was installed on examining the utensil in the measurement process, because if major part locating pin and microcephaly locating pin are whole to be set to the fixed pin structure, the connecting rod produces the dead phenomenon of card very easily at the installation with the dismantlement in-process. The utility model discloses can also highly detect to the faying face of big head hole split type connecting rod, in the measurement process, only need with the direct roof pressure faying face of measuring stick of percentage table just can.
In other embodiments of the utility model, the elastic floating installation of the big head positioning pin can be realized through the belleville spring; pins can be arranged on the mounting section to be matched with the baffle in a blocking way; the head part of the big head positioning pin can be arranged into a ball head structure; the big head hole positioning block and the small head hole positioning block can also be fixedly arranged on the base.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Utensil is examined to engine connecting rod height, its characterized in that: the engine connecting rod end face detection device comprises a base, be equipped with the major part hole locating surface that is used for fixing a position the major part hole terminal surface on the base and with the microcephaly hole locating surface of fixing a position microcephaly hole terminal surface, microcephaly hole locating surface department is equipped with the microcephaly hole locating pin that is used for supplying the microcephaly hole plug-in mounting location of connecting rod, elasticity floats about the major part hole locating surface department and is equipped with and is used for right the major part hole locating pin of the major part hole location of engine connecting rod, install on the base and be used for being in the location the percentage table that detects is carried out to the mounting screw platform of the major part hole department of connecting rod on microcephaly hole.
2. The engine connecting rod height gauge according to claim 1, wherein: the big-end hole positioning pin comprises a guide section and an installation section, wherein the guide section is matched with the base in a guiding and moving mode along the up-down direction, the installation section is arranged below the guide section, a spring is sleeved on the installation section, one end of the spring is matched with the guide section in a blocking mode, the other end of the spring is matched with the base in a blocking mode, and the upper end of the guide section stretches to the position above the big-end hole positioning surface so as to be matched with a big-end hole of the connecting rod.
3. The engine connecting rod height gauge according to claim 2, wherein: the base is provided with a through hole for the large-head hole positioning pin to vertically guide and move, the lower end of the through hole is provided with a baffle, the installation section penetrates through the baffle and is in blocking fit with the outer side of the baffle through a blocking piece, and the spring is installed between the baffle and the guide section.
4. The engine connecting rod height gauge according to claim 3, wherein: the baffle is installed on the base through a bolt, and the stopping piece is a nut installed on the guide section.
5. The engine connecting rod height gauge according to any one of claims 1 to 4, wherein: the upper end of the big end hole positioning pin is a conical structure for positioning and matching the big end hole.
6. The engine connecting rod height gauge according to any one of claims 1 to 4, wherein: the base is provided with a large-head hole positioning block and a small-head hole positioning block, the large-head hole positioning surface is formed on the upper side surface of the large-head hole positioning block, and the small-head hole positioning surface is formed on the upper side surface of the small-head hole positioning block.
7. The engine connecting rod height gauge according to claim 6, wherein: the big end hole positioning block and the small end hole positioning block are both installed on the base through bolts.
8. The engine connecting rod height gauge according to any one of claims 1 to 4, wherein: the dial indicator is provided with two, and all installs through the table frame on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189999.3U CN210036535U (en) | 2019-07-26 | 2019-07-26 | Engine connecting rod height gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921189999.3U CN210036535U (en) | 2019-07-26 | 2019-07-26 | Engine connecting rod height gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210036535U true CN210036535U (en) | 2020-02-07 |
Family
ID=69350480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921189999.3U Expired - Fee Related CN210036535U (en) | 2019-07-26 | 2019-07-26 | Engine connecting rod height gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210036535U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923830A (en) * | 2021-01-26 | 2021-06-08 | 中国航发贵州黎阳航空动力有限公司 | Device and method for measuring space size of balancing rod |
| WO2022021967A1 (en) * | 2020-07-30 | 2022-02-03 | 南京航空航天大学 | Method for high-precision measurement of degree of bending and degree of twisting of connecting rod |
| CN115194559A (en) * | 2022-05-07 | 2022-10-18 | 神钢无锡压缩机股份有限公司 | Tool and method for adjusting center of big end hole of connecting rod on half surface of connecting rod |
-
2019
- 2019-07-26 CN CN201921189999.3U patent/CN210036535U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022021967A1 (en) * | 2020-07-30 | 2022-02-03 | 南京航空航天大学 | Method for high-precision measurement of degree of bending and degree of twisting of connecting rod |
| CN112923830A (en) * | 2021-01-26 | 2021-06-08 | 中国航发贵州黎阳航空动力有限公司 | Device and method for measuring space size of balancing rod |
| CN112923830B (en) * | 2021-01-26 | 2022-06-03 | 中国航发贵州黎阳航空动力有限公司 | Device and method for measuring space size of balancing rod |
| CN115194559A (en) * | 2022-05-07 | 2022-10-18 | 神钢无锡压缩机股份有限公司 | Tool and method for adjusting center of big end hole of connecting rod on half surface of connecting rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |