CN106969688B - Piston ring detects frock - Google Patents
Piston ring detects frock Download PDFInfo
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- CN106969688B CN106969688B CN201710273806.1A CN201710273806A CN106969688B CN 106969688 B CN106969688 B CN 106969688B CN 201710273806 A CN201710273806 A CN 201710273806A CN 106969688 B CN106969688 B CN 106969688B
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- sliding
- base plate
- rod
- base
- piston ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
Abstract
The invention relates to the technical field of detection tools, and discloses a piston ring detection tool which comprises a bottom plate, wherein a base plate is arranged on the bottom plate, two supporting wheels are arranged at the lower end of the outer side surface of the base plate, the supporting wheels are rotatably connected with the base plate, a vertical sliding groove penetrating through the base plate is arranged at the position, between the two supporting wheels, on the base plate, a sliding block is arranged in the sliding groove, a clamping wheel is arranged at the outer end of the sliding block, the clamping wheel is rotatably connected with the sliding block through a rotating shaft, and a motor connected with the rotating shaft is arranged at the inner end of the sliding block; the medial surface of base plate is equipped with the base, is equipped with the slide bar in the base, slide bar and base sliding connection, the lower extreme and the slider fixed connection of slide bar, and the upper end of slide bar is equipped with the horizontal pole, and the outer end of horizontal pole is equipped with the amesdial head, and the position that lies in between slider and the base on the slide bar is equipped with reset spring, and the position that lies in the base top on the slide bar is equipped with manual hoist mechanism. The invention has the advantages of accurate and convenient positioning, high detection efficiency and high detection precision.
Description
Technical Field
The invention relates to the technical field of detection tools, in particular to a piston ring detection tool.
Background
Piston rings (Piston Ring) are metal rings used to be embedded inside the Piston groove and are divided into two categories: a compression ring and an oil ring. The compression ring can be used for sealing the combustible mixed gas in the combustion chamber; the oil ring is used to scrape off the excessive oil on the cylinder. The piston ring is a metal elastic ring with large outward expansion deformation, which is assembled into a ring groove with a section corresponding to the ring groove, and the reciprocating and rotating piston ring forms a seal between the outer circumferential surface of the ring and the cylinder and one side surface of the ring and the ring groove by means of the pressure difference of gas or liquid. The assembly accuracy requirement of piston ring is very high, consequently requires very high to the circularity of the outer lane of piston ring, at present all measures the external diameter of piston ring different positions through slide caliper in order to judge whether its circularity meets the requirements usually, and this kind of detection side has great error, and the piston ring diameter is great, and axial width is less moreover, and ordinary slide caliper hardly finds the diameter accurately, consequently detects the precision low, detection efficiency hangs down. The piston ring is clamped by a three-jaw chuck and then is detected by a dial indicator head, and the three-jaw chuck can only clamp a few parts due to the large diameter and the short axial direction of the piston ring, so that the circumference of the piston ring is difficult to be concentric with the three-jaw chuck, and the detection error is large; the piston ring is small in thickness and is easy to deform after being clamped by the three-jaw chuck, so that the deviation between a detection result and the actual value is large; in order to facilitate the clamping of the piston ring, the piston ring is usually positioned through a clamp, the clamp is clamped through a three-jaw chuck and then detected, the assembly and disassembly of the piston ring and the clamp are time-consuming and labor-consuming, and the detection efficiency is low.
Disclosure of Invention
The invention provides a piston ring detection tool which is accurate and convenient in positioning, high in detection efficiency and high in detection precision, and aims to solve the problems of low detection efficiency and low detection precision of a piston ring in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a piston ring detection tool comprises a bottom plate, wherein a base plate perpendicular to the bottom plate is arranged on the bottom plate, two supporting wheels are arranged at the lower end of the outer side face of the base plate and rotatably connected with the base plate, a vertical sliding groove penetrating through the base plate is formed in the position, between the two supporting wheels, of the base plate, a sliding block is arranged in the sliding groove, a clamping wheel is arranged at the outer end of the sliding block, the two supporting wheels and the clamping wheel are distributed in a delta shape, the clamping wheel is rotatably connected with the sliding block through a rotating shaft, and a motor connected with the rotating shaft is arranged at the inner end of the sliding block; the interior side of base plate is equipped with the base, the base in be equipped with the slide bar, slide bar and base sliding connection, the lower extreme and the slider fixed connection of slide bar, the upper end of slide bar is equipped with the horizontal pole, the outer end of horizontal pole is equipped with the amesdial head, the slide bar on lie in the slider and be equipped with reset spring with the position of base between, the slide bar on lie in the base top the position be equipped with manual hoist mechanism.
The manual lifting mechanism lifts the sliding rod, the sliding block and the cross rod are lifted synchronously, the clamping wheel and the dial indicator head are lifted synchronously, the piston ring is clamped into a position between the supporting wheel and the clamping wheel, the manual lifting mechanism is loosened, the sliding block, the sliding rod, the clamping wheel and the dial indicator head synchronously move downwards under the action of the reset spring, the outer ring of the piston ring is contacted with the supporting wheel, the inner ring of the piston ring is clamped by the clamping wheel, the head of the dial indicator head is in elastic contact with the outer surface of the piston ring, the motor rotates to drive the clamping wheel to rotate, the clamping wheel rotates to drive the piston ring to rotate, and the roundness of the outer surface of the piston ring can be accurately judged by observing the numerical value of the dial indicator head; the tool is accurate and convenient in positioning the piston ring, high in detection efficiency and high in detection precision.
Preferably, the manual lifting mechanism comprises a cam and a handle fixed with the cam, the near end of the cam is rotatably connected with the sliding rod through a first pin shaft, the far end of the cam is provided with a bearing, and the bearing is rotatably connected with the cam through a second pin shaft; when the handle is pressed down, the sliding rod moves upwards under the action of the cam, and when the handle is loosened, the sliding rod moves downwards under the action of the return spring. The handle drives the cam to rotate, the clamping wheel and the dial indicator head synchronously ascend, the handle is loosened, the automatic reset is realized under the action of the reset spring, and the operation is very convenient.
Preferably, an annular limiting groove is formed in the circumferential surface of the supporting wheel, and two side surfaces of the annular limiting groove are conical guide surfaces; and a silica gel sleeve is sleeved on the outer side of the clamping wheel. The annular limiting groove is used for limiting the piston ring, and the conical guide surface has a guide effect when the piston ring is assembled, so that the piston ring can be conveniently and quickly installed in the annular limiting groove; the silica gel cover on the pinch roller increases the frictional force of pinch roller and piston ring inner circle on the one hand, and on the other hand when there is burr, little protruding in the internal surface of piston ring, can not change the centre of a circle position of pinch roller, consequently also can not lead to the slide bar to remove, can not influence the position of amesdial head to ensure and detect the precision.
Preferably, a guide seat is arranged at the upper end of the inner side face of the base plate, a guide rod is arranged in the guide seat, the lower end of the guide rod is connected with the sliding rod through an adjusting sleeve, the upper end of the guide rod is connected with the cross rod, and limiting bolts are arranged at two ends of the adjusting sleeve. Because the model of piston ring is many, and the diameter of piston ring exists the difference, can adjust the position of amesdial head through adjusting the cover to be applicable to the piston ring detection of different models, the commonality is strong.
Preferably, the micrometer gauge head is a digital display micrometer gauge head, a connecting block is arranged on the outer side of the micrometer gauge head, the upper end of the connecting block is rotatably connected with the cross rod through a connecting hole, a locking bolt is arranged on the side face, located on the connecting hole, of the connecting block, a clamping groove is formed in the lower end of the connecting block, the upper end of the micrometer gauge head is clamped with the clamping groove, and a positioning bolt is arranged on the side face, located on the clamping groove, of the connecting block. The digital display dial gauge head is convenient and visual in reading; the lifting of the dial indicator head can be adjusted through the clamping groove so as to adapt to the detection of piston rings of different models; the contact angle between the dial indicator head and the piston ring can be adjusted through the connecting block.
Preferably, a piston cylinder is arranged in the base plate and located right above the sliding groove, the piston cylinder comprises a cylinder sleeve, a piston and a piston rod, a pressure spring is arranged on the piston rod and located in the cylinder sleeve, and a transverse backup plate is arranged at the outer end of the piston rod; the inner of cylinder liner is equipped with the trachea, the outer end of handle upwards extends and forms the arc portion of gripping, the downside of arc portion of gripping is equipped with the gasbag of ellipsoid form, trachea and air bag connection. Handle rotates downwards, adorn the piston ring at the supporting wheel, loosen the handle behind the tight pulley of clamp, the tight pulley of clamp passes through reset spring's effort centre gripping piston ring this moment, because the piston ring diameter is great, axial length is very little, and the effort of tight pulley of clamp is elastic force, after the tight pulley of clamp presss from both sides tight piston ring, the terminal surface of piston ring probably is not parallel with the base plate, the manual gasbag of pressing down this moment, the gasbag is aerifyd the piston cylinder, the piston rod stretches out, the leaner plate is close to the terminal surface of piston ring and produces an effort to the piston ring, thereby make the terminal surface of piston ring parallel with the side of base plate, ensure that the piston ring location is stable, thereby improve and detect the precision.
Preferably, an avoidance transverse groove is formed in the corresponding position of the front surface of the base plate and the transverse leaning plate, and when the piston rod is reset, the transverse leaning plate retracts into the avoidance transverse groove; guide pillars are arranged at two ends of the avoiding transverse groove, and the transverse backup plate is connected with the guide pillars in a sliding mode.
Therefore, the invention has the following beneficial effects: (1) The piston ring is very convenient to mount and dismount from the tool, and time and labor are saved; (2) the piston ring is stable in positioning and high in positioning precision; (3) The whole circle of piston ring outer lane detects, and it is high to detect the precision, and detection efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic view of the handle pressed down.
Fig. 4 is a schematic view of the state that the air bag is pressed down after the handle is reset.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
FIG. 6 is a schematic view showing the connection of the dial gauge head to the cross bar.
In the figure: the device comprises a bottom plate 1, a base plate 2, a supporting wheel 3, an annular limiting groove 30, a sliding groove 4, a sliding block 5, a clamping wheel 6, a rotating shaft 60, a silica gel sleeve 61, a motor 7, a base 8, a sliding rod 9, a guide seat 10, a guide rod 11, an adjusting sleeve 12, a cross rod 13, a dial indicator head 14, a return spring 15, a connecting block 16, a piston cylinder 17, a cylinder sleeve 170, a piston 171, a piston rod 172, a pressure spring 173, a transverse leaning plate 18, an air pipe 19, an air bag 20, an avoiding transverse groove 21, a piston ring 22, a limiting bolt 100, a locking bolt 101, a positioning bolt 102, a cam 200, a handle 201, a first pin shaft 202, a bearing 203, a second pin shaft 204 and an arc-shaped holding part 205.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
a piston ring detection tool shown in fig. 1 and 2 comprises a bottom plate 1, a base plate 2 perpendicular to the bottom plate is arranged on the bottom plate, two support wheels 3 are arranged at the lower end of the outer side surface of the base plate, an annular limiting groove 30 is arranged on the circumferential surface of each support wheel 3, and two side surfaces of each annular limiting groove are conical guide surfaces; the supporting wheels are rotatably connected with the base plate, a vertical sliding groove 4 penetrating through the base plate is formed in the position, located between the two supporting wheels, of the base plate, a sliding block 5 is arranged in the sliding groove, a clamping wheel 6 is arranged at the outer end of the sliding block, the two supporting wheels and one clamping wheel are distributed in a delta shape, the clamping wheel is rotatably connected with the sliding block through a rotating shaft 60, a silica gel sleeve 61 is sleeved on the outer side of the clamping wheel 6, and a motor 7 connected with the rotating shaft is arranged at the inner end of the sliding block; the middle part of the medial surface of base plate is equipped with base 8, be equipped with slide bar 9 in the base, slide bar and base sliding connection, the lower extreme and the slider fixed connection of slide bar, the medial surface upper end of base plate is equipped with guide holder 10, be equipped with guide bar 11 in the guide holder, the lower extreme of guide bar passes through adjusting collar 12 and slide bar coaxial coupling, the both ends of adjusting collar all are equipped with spacing bolt 100, the upper end and the horizontal pole 13 fixed connection of guide bar, the outer end of horizontal pole is equipped with amesdial head 14, the position that lies in between slider and the base on the slide bar is equipped with reset spring 15, the position that lies in the base top on the slide bar is equipped with manual hoisting mechanism.
As shown in fig. 6, the micrometer gauge head in this embodiment is a digital micrometer gauge head, a connecting block 16 is arranged on the outer side of the micrometer gauge head, the upper end of the connecting block is connected with the cross rod in a rotating mode through a connecting hole, a locking bolt 101 is arranged on the side face, located in the connecting hole, of the connecting block, a clamping groove is formed in the lower end of the connecting block, the upper end of the micrometer gauge head is connected with the clamping groove in a clamping mode, and a positioning bolt 102 is arranged on the side face, located in the clamping groove, of the connecting block.
As shown in fig. 2, fig. 3 and fig. 4, the manual lifting mechanism comprises a cam 200 and a handle 201 fixed with the cam, wherein the near end of the cam is rotatably connected with the sliding rod through a first pin 202, the far end of the cam is provided with a bearing 203, and the bearing is rotatably connected with the cam through a second pin 204; when the handle is pressed down, the sliding rod moves upwards under the action of the cam, and when the handle is loosened, the sliding rod moves downwards under the action of the return spring.
As shown in fig. 4 and 5, a piston cylinder 17 is arranged in the base plate 2 and right above the sliding groove, the piston cylinder 17 comprises a cylinder sleeve 170, a piston 171 and a piston rod 172, a pressure spring 173 is arranged on the piston rod and positioned in the cylinder sleeve, and a transverse backup plate 18 is arranged at the outer end of the piston rod; an air pipe 19 is arranged at the inner end of the cylinder sleeve, the outer end of the handle 201 extends upwards to form an arc-shaped holding part 205, an ellipsoidal air bag 20 is arranged at the lower side of the arc-shaped holding part, and the air pipe is connected with the air bag; an avoidance transverse groove 21 is formed in the corresponding position of the front surface of the base plate 2 and the transverse leaning plate, and when the piston rod is reset, the transverse leaning plate retracts into the avoidance transverse groove; guide pillars are arranged at two ends of each avoidance transverse groove, and the transverse backup plate is connected with the guide pillars in a sliding mode. The use method of the invention is as follows with the attached drawings: as shown in fig. 3, the handle is pressed downwards, the slide rod is lifted up, the clamping wheel and the dial indicator head synchronously ascend, then the piston 22 is arranged in the position between the clamping wheel and the supporting wheel as shown in the figure, and the handle is released; as shown in fig. 2, the clamping wheel and the dial gauge head are reset under the action of the reset spring, the clamping wheel clamps the piston ring, and the head of the dial gauge head is in elastic contact with the surface of the piston ring; as shown in fig. 4, the air bag is extruded, the air in the air bag enters the piston cylinder, the piston rod extends out, and the transverse leaning plate applies acting force on the end surface of the piston ring, so that the end surface of the piston ring is parallel to the base plate, and the piston ring is accurately positioned; and finally, the motor is started, the motor drives the clamping wheel to rotate, the clamping wheel drives the piston ring to rotate, and the roundness of the piston ring can be accurately judged through the degree of the dial indicator head.
Claims (5)
1. A piston ring detection tool comprises a bottom plate and is characterized in that a base plate perpendicular to the bottom plate is arranged on the bottom plate, two supporting wheels are arranged at the lower end of the outer side face of the base plate and are rotatably connected with the base plate, a vertical sliding groove penetrating through the base plate is formed in the position, located between the two supporting wheels, of the base plate, a sliding block is arranged in the sliding groove, a clamping wheel is arranged at the outer end of the sliding block, the two supporting wheels and one clamping wheel are distributed in a delta shape, the clamping wheel is rotatably connected with the sliding block through a rotating shaft, and a motor connected with the rotating shaft is arranged at the inner end of the sliding block; the inner side surface of the base plate is provided with a base, a sliding rod is arranged in the base and is in sliding connection with the base, the lower end of the sliding rod is fixedly connected with a sliding block, the upper end of the sliding rod is provided with a cross rod, the outer end of the cross rod is provided with a dial indicator head, a reset spring is arranged on the sliding rod and positioned between the sliding block and the base, and a manual lifting mechanism is arranged on the sliding rod and positioned above the base;
the manual lifting mechanism comprises a cam and a handle fixed with the cam, the near end of the cam is rotatably connected with the sliding rod through a first pin shaft, the far end of the cam is provided with a bearing, and the bearing is rotatably connected with the cam through a second pin shaft; when the handle is pressed down, the sliding rod moves upwards under the action of the cam, and when the handle is loosened, the sliding rod moves downwards under the action of the return spring;
a piston cylinder is arranged in the base plate and is positioned right above the sliding groove, the piston cylinder comprises a cylinder sleeve, a piston and a piston rod, a pressure spring is arranged at the position, positioned in the cylinder sleeve, of the piston rod, and a transverse backup plate is arranged at the outer end of the piston rod; the inner of cylinder liner is equipped with the trachea, the outer end of handle upwards extends and forms arc portion of gripping, the downside of arc portion of gripping is equipped with the gasbag of ellipsoid form, trachea and gasbag be connected.
2. The piston ring detection tool as claimed in claim 1, wherein an annular limiting groove is formed in the circumferential surface of the support wheel, and two side surfaces of the annular limiting groove are conical guide surfaces; and a silica gel sleeve is sleeved on the outer side of the clamping wheel.
3. The piston ring detection tool according to claim 1, wherein a guide seat is arranged at the upper end of the inner side surface of the base plate, a guide rod is arranged in the guide seat, the lower end of the guide rod is connected with the slide rod through an adjusting sleeve, the upper end of the guide rod is connected with the cross rod, and limiting bolts are arranged at two ends of the adjusting sleeve.
4. The piston ring detection tool according to claim 1, wherein the dial indicator head is a digital display dial indicator head, a connecting block is arranged on the outer side of the dial indicator head, the upper end of the connecting block is rotatably connected with the cross rod through a connecting hole, a locking bolt is arranged on the connecting block on the side face of the connecting hole, a clamping groove is arranged at the lower end of the connecting block, the upper end of the dial indicator head is clamped with the clamping groove, and a positioning bolt is arranged on the connecting block on the side face of the clamping groove.
5. The piston ring detection tool according to claim 1, wherein an avoidance transverse groove is formed in a position, corresponding to the transverse plate, of the front surface of the base plate, and when the piston rod is reset, the transverse plate retracts into the avoidance transverse groove; guide pillars are arranged at two ends of the avoiding transverse groove, and the transverse backup plate is connected with the guide pillars in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273806.1A CN106969688B (en) | 2017-04-24 | 2017-04-24 | Piston ring detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273806.1A CN106969688B (en) | 2017-04-24 | 2017-04-24 | Piston ring detects frock |
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| CN106969688A CN106969688A (en) | 2017-07-21 |
| CN106969688B true CN106969688B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710273806.1A Active CN106969688B (en) | 2017-04-24 | 2017-04-24 | Piston ring detects frock |
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| CN108387159A (en) * | 2018-05-11 | 2018-08-10 | 重庆高金实业有限公司 | A kind of connecting-rod bolts elongation measuring device and measuring method |
| CN108747970B (en) * | 2018-08-30 | 2023-11-03 | 江西五十铃发动机有限公司 | Tool for opening and closing piston to enter cylinder hole |
| CN111594885B (en) * | 2020-05-18 | 2022-12-06 | 合肥博洋不锈钢设备有限公司 | Gas-cooker stove frame of stable use |
| CN113074614B (en) * | 2021-03-08 | 2023-10-03 | 安徽省恒泰动力科技有限公司 | Piston roundness testing device based on automatic feeding mechanism |
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| CN204881435U (en) * | 2015-06-15 | 2015-12-16 | 深圳市翰星精技工业有限公司 | A size detection device for sheet metal |
| CN206670521U (en) * | 2017-04-24 | 2017-11-24 | 浙江机电职业技术学院 | A kind of piston ring detecting tool |
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- 2017-04-24 CN CN201710273806.1A patent/CN106969688B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202897553U (en) * | 2012-10-30 | 2013-04-24 | 重庆伟铭金属有限公司 | Reinforcing rod tidiness device |
| CN203518876U (en) * | 2013-06-28 | 2014-04-02 | 天津丹阳车圈有限公司 | Device for detecting radial run-out of rim inner ring |
| CN203687826U (en) * | 2013-12-31 | 2014-07-02 | 浙江金盾消防器材有限公司 | Height measuring device of fire extinguisher steel cylinder |
| CN203824457U (en) * | 2014-04-11 | 2014-09-10 | 新昌县明瑞关节轴承有限公司 | Apparatus for detecting radial runout of bearing inner race |
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Effective date of registration: 20221230 Address after: 518000 607, building 49, No.3, Queshan Yunfeng Road, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huiteng Information Technology Service Co.,Ltd. Address before: Hangzhou City, Zhejiang Province, 310053 Wen bin Zhejiang Institute of Mechanical and Electrical Engineering No. 528 Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING |