CN103438842A - Detecting device of engine cylinder cover holes - Google Patents
Detecting device of engine cylinder cover holes Download PDFInfo
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- CN103438842A CN103438842A CN2013103553628A CN201310355362A CN103438842A CN 103438842 A CN103438842 A CN 103438842A CN 2013103553628 A CN2013103553628 A CN 2013103553628A CN 201310355362 A CN201310355362 A CN 201310355362A CN 103438842 A CN103438842 A CN 103438842A
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Abstract
The invention provides a detecting device of engine cylinder cover holes. The detecting device comprises a base assembly, an angle regulating assembly, positioning clamping assemblies and limiting assemblies, wherein the base assembly comprises a bottom plate, a left vertical plate and a right vertical plate, and the left vertical plate and the right vertical plate are vertically installed at the two ends of the bottom plate respectively and are parallel; the angle regulating assembly comprises a first rotary shaft, a second rotary shaft, a left tray and a right tray, the first rotary shaft and the second rotary shaft are coaxially arranged, the left tray is rotatably connected with the left vertical plate through the first rotary shaft, the first rotary shaft is axially fixed through a locking nut arranged on the outer side face of the left vertical plate, the right tray is rotatably connected with the right vertical plate through the second rotary shaft, and the left tray and the right tray are respectively provided with an installation plane; the positioning clamping assemblies are fixed to the installation plane of the left tray and the installation plane of the right tray respectively and used for fixing and clamping a cylinder cover; the limiting assemblies are used for fixing the left tray rotating around the first rotary shaft and the second tray rotating around the second rotary shaft onto detection positions in the circumferential directions of the rotary shafts. According to the detecting device, measurement operations are easy and convenient and detection efficiency is high.
Description
Technical field
The invention belongs to the engine power technical field, particularly the pick-up unit of a kind of engine cylinder cover hole system.
Background technology
Engine cylinder cover is after per pass machine work order machines, all to detect cylinder cap whether process qualified, and be that the detection of position is relatively more difficult to the engine cylinder cover hole, for example, cylinder cap is on the basis that machines a reference field, processing site is depended merely on the hole site that altimeter can only detect a direction, and the hole site of another direction can't be detected; And the hole systems with angle such as the guide hole on cylinder cap, tappet hole, because making the altimeter gauge head parallel with hole, the processing site position of both direction all can't detect, can only rely on professional checkout equipment three-dimensional to be detected, need to be according to the angle of the angular setting gauge head in each hole on cylinder cap but adopt three-dimensional to detect, operation is inconvenience very, and detection efficiency is very low, need to take for a long time high-precision detection resource.
Summary of the invention
To the objective of the invention is in order solving the problems of the technologies described above, the pick-up unit of a kind of engine cylinder cover hole system to be provided, in order to can realize rapidly that the hole that engine cylinder covers is position probing, measure easy and simple to handlely, improve detection efficiency.
To achieve these goals, the invention provides following technical scheme:
The pick-up unit of a kind of engine cylinder cover hole system comprises:
Base assembly, described base assembly comprises base plate, vertically is located at the left riser and the vertical right riser that is located at the base plate right-hand member of base plate left end, described left riser is parallel relative with right riser;
The angular adjustment assembly, described angular adjustment assembly comprises: the first coaxially arranged rotating shaft and the second rotating shaft, the left pallet be rotatably connected by the first rotating shaft and described left riser, the first rotating shaft is by being arranged at the set nut axial restraint of described left riser lateral surface; The right pallet be rotatably connected by the second rotating shaft and described right riser; Left and right pallet is the corresponding medial surface that is arranged at described left and right riser respectively, be respectively arranged with the mounting plane extended internally along the axial direction of described the first and second rotating shafts on left and right pallet, described mounting plane lays respectively at the below of first, second rotating shaft;
Be fixed on the location clamp assembly for cylinder cap is positioned and clamps on left and right pallet mounting plane.
To circumferentially be fixed on the limit assembly of detection position along rotating shaft around the left and right pallet of described the first rotating shaft and the second rotating shaft rotation respectively.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, the vertical section of described left pallet is stepped appearance, and its ladder plane forms the mounting plane that the axial direction along the first rotating shaft on described left pallet extends internally; The vertical section of described right pallet is stepped appearance, and its ladder plane forms the mounting plane that the axial direction along the second rotating shaft on described right pallet extends internally.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, the medial surface laminating of described left pallet and described left riser, the medial surface laminating of described right pallet and described right riser.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, described location clamp assembly comprises: detachably be installed on the clamping plate on left and right pallet mounting plane, the clamping plate is provided with for placing the isometry block of cylinder cap, for register pin that cylinder cap is positioned, and the fixing bolt hole of cylinder cap.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, described limit assembly comprises: be arranged on movably the T-shaped nut on described base plate, with interconnective the first screw rod of described T-shaped nut, be set in the axle sleeve on the first external thread of screw, radially offer through hole in the position, upper end near axle sleeve, the second screw rod crosses this through hole and detachably is fixedly connected with left and right pallet respectively.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, also comprise and be fixed on described right riser lateral surface and the angle scale concentric with the second rotating shaft, and setting corresponding to described angle scale, be fixed on the angle indicator in described the second rotating shaft.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, be arranged with two left columns perpendicular to base plate in parallel on the lateral surface of described left riser, described left column flushes with the left side of described base plate; Be arranged with two right columns perpendicular to base plate on the lateral surface of described right riser in parallel, described right column flushes with the right side of described base plate.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, be provided with the inverted T shape groove matched with described T-shaped nut on described base plate.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, the position on described left riser between left column is provided with resigning hole, and described resigning hole is corresponding with the link position of the second screw rod on left pallet; Position on described right riser between right column is provided with resigning hole, and described resigning hole is corresponding with the link position of the second screw rod on right pallet.
Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, described left pallet is disposed with respectively corresponding to the position of described resigning hole the bolt through-hole passed for the second screw rod, the threaded hole partly be threaded with the second screw flight, be fixed on the nut mounting hole on left pallet by the second screw rod; Described right pallet is disposed with respectively corresponding to the position of described resigning hole the bolt through-hole passed for the second screw rod, and the threaded hole partly be threaded with the second screw flight, be fixed on the nut mounting hole on right pallet by the second screw rod.
The course of work of the pick-up unit of engine cylinder cover provided by the invention hole system is as follows: at first the base plate of the base assembly of pick-up unit is placed on and detects flat board above, as by the location clamp assembly, cylinder cap is fixed on pick-up unit on marble detection platform or other detection platform; Then use limit assembly that left and right pallet circumferentially is fixed to detection position along rotating shaft; Finally, by instruments such as digital display altimeter, standard volume posts, can be that position is detected to cylinder head bore.
The pick-up unit of engine cylinder cover provided by the invention hole system, without taking the accurate resource that detects of three-dimensional, only cylinder cap need be fixed on pick-up unit, in the situation that only use the instruments such as digital display altimeter, standard volume post, can be that position is detected to cylinder head bore, measure easy and simple to handlely, detection efficiency is high.
The accompanying drawing explanation
Fig. 1 is that the axle of the pick-up unit of engine cylinder cover of the present invention hole system measures intention;
Fig. 2 is the front view of the pick-up unit of engine cylinder cover provided by the invention hole system;
Fig. 3 A is the structural representation of left riser;
Fig. 3 B is the structural representation of right riser;
Fig. 4 is the structural representation of clamping plate;
Fig. 5 A is the structural representation of left pallet;
Fig. 5 B is the cut-open view of left pallet;
Fig. 6 A is the structural representation of right pallet;
Fig. 6 B is the cut-open view of right pallet;
Fig. 7 is the structural representation of stop means.
Wherein, base assembly 1, angular adjustment assembly 2, location clamp assembly 3, limit assembly 4, base plate 10, T-shaped groove 101, left riser 11, right riser 12, column (111, 121), rotating shaft mounting hole (112, 122), resigning hole (113, 123), left pallet 21, right pallet 22, the first rotating shaft 23, the second rotating shaft 24, angle scale 25, angle indicator 26, set nut 27, bolt through-hole (211, 221), threaded hole (212, 222), nut mounting hole (213, 223), clamping plate 30, isometry block 31, register pin 32, bolt hole 33, the first screw rod 41, T-shaped nut 42, axle sleeve 43, the second screw rod 44.
Embodiment
Pick-up unit below in conjunction with accompanying drawing to engine cylinder cover of the present invention hole system is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is that engine cylinder cover of the present invention hole is that the axle of pick-up unit measures intention, Fig. 2 is the front view of the pick-up unit of engine cylinder cover of the present invention hole system, the pick-up unit of the engine cylinder cover hole system that the embodiment of the present invention provides, comprise: base assembly 1, described base assembly comprises base plate 10, vertically be located at the left riser 11 of base plate left end, vertically be located at the right riser 12 of base plate right-hand member, and described left riser is parallel relative with right riser; Angular adjustment assembly 2, described angular adjustment assembly 2 comprises: the first coaxially arranged rotating shaft 23 and the second rotating shaft 24, left pallet 21, the first rotating shafts 23 that are rotatably connected by the first rotating shaft 23 and described left riser 11 are by set nut 27 axial restraints that are arranged at described left riser lateral surface; The right pallet 22 be rotatably connected by the second rotating shaft 24 and described right riser 12; Left and right pallet is the corresponding medial surface that is arranged at described left and right riser respectively, be respectively arranged with the mounting plane extended internally along the axial direction of described the first and second rotating shafts on left and right pallet, described mounting plane lays respectively at the below of first, second rotating shaft; Be fixed on the location clamp assembly 3 for cylinder cap is positioned and clamps on left and right pallet mounting plane; To circumferentially be fixed on the limit assembly 4 of detection position along rotating shaft around the left and right pallet of described the first rotating shaft 23 and the second rotating shaft 24 rotations respectively.From Fig. 2, Fig. 3 A, Fig. 3 B, Fig. 5 A, Fig. 5 B, Fig. 6 A, Fig. 6 B, offer rotating shaft mounting hole 112 on left riser 11, offer rotating shaft mounting hole 122 on right riser 11, left and right pallet correspondence offers the rotating shaft mounting hole, the first rotating shaft 23 is set in the rotating shaft mounting hole of left riser 11 and left pallet, left pallet can relatively rotate by the first rotating shaft and left riser, the second rotating shaft 24 is set in the rotating shaft mounting hole of right riser 12 and right pallet, and right pallet can relatively rotate by the second rotating shaft and right riser.
Apply pick-up unit provided by the invention as follows to the testing process of cylinder head bore system: first the base plate of the base assembly of pick-up unit 1 10 is placed on and detects on flat board, being positioned over the lower surface A that detects the base plate 10 on flat board is the first detection reference face, cylinder cap is fixed on the clamp assembly 3 of location, application limit assembly 4 is by the left pallet 21 of angular adjustment assembly 2, right pallet 22 circumferentially is fixed to detection position along the first rotating shaft 23 and the second rotating shaft 24 respectively, then, by the digital display altimeter, the instruments such as standard volume post, take the first detection reference face A as benchmark can be that position is detected to cylinder head bore.
The pick-up unit of engine cylinder cover provided by the invention hole system, without taking the accurate resource that detects of three-dimensional, only need be fixed on cylinder cap on pick-up unit, in the situation that only use the digital display altimeter, can be that position is detected to cylinder head bore, measure easy and simple to handlely, detection efficiency be high.
Please refer to Fig. 1, Fig. 2, Fig. 5 B, Fig. 6 B, the engine cylinder cover hole that above-described embodiment provides is in pick-up unit, the vertical section of described left pallet 21 is stepped appearance, the vertical section of described right pallet 22 also is stepped appearance, the ladder plane of left and right pallet is oppositely arranged, and location clamp assembly 3 is arranged on the ladder plane.Left and right pallet is set to stepped appearance, is convenient to processing, and assembling easily.
Please refer to Fig. 1, Fig. 2, when left riser 11 is assembled together by the second rotating shaft with right pallet 22 by the first rotating shaft, right riser 12 with left pallet 21, should guarantee the medial surface laminating of described left pallet 21 and described left riser 11, described right pallet 22 is fitted with the medial surface of described right riser 12, so just can guarantee accuracy of detection.
Please refer to Fig. 1, Fig. 2, Fig. 4, the engine cylinder cover hole that above-described embodiment provides is in pick-up unit, described location clamp assembly 3 comprises: detachably be arranged on the clamping plate 30 on left and right pallet mounting plane, the clamping plate is provided with the isometry block 31 for placing cylinder cap, for register pin 32 that cylinder cap is positioned, and the fixing bolt hole 33 of cylinder cap.While detecting cylinder cap, first cylinder cap is placed on isometry block 31, positions with register pin 32, then by the bolt hole 33 use bolts on clamping plate 30, cylinder cap and clamping plate 30 are fixed together.Adopt above-mentioned location clamp assembly, accurate positioning, convenient mounting and clamping.Preferably, in the pick-up unit of above-mentioned engine cylinder cover hole system, described isometry block is 3, the triangularity layout, and described register pin is 2.
Please refer to Fig. 2, Fig. 7, preferably, the engine cylinder cover hole that above-described embodiment provides is in pick-up unit, described limit assembly 4 specifically comprises: be arranged on movably the T-shaped nut 42 on described base plate 10, with interconnective the first screw rod 41 of described T-shaped nut 42, be set in the axle sleeve 43 on the first external thread of screw, in the position, upper end near axle sleeve 43, radially offer through hole, the second screw rod 44 crosses this through hole and detachably is fixedly connected with left pallet 21 or right pallet 22.When rotating left and right pallet 21,22 to detection position, T-shaped nut 42 can be fixed on to the position corresponding with left and right pallet on base plate 10, rotary axle box 43, can adjust the mutual alignment of itself and the first screw rod 41, thereby adjust the height and position of the second screw rod 44, be fixedly connected with left and right pallet 21,22 respectively by the second screw rod, like this, just the position of left and right pallet 21,22 can be fixed, prevent its rotation.In order further to optimize technique scheme, be vertically arranged with the inverted T shape groove 101 matched with described T-shaped nut on described base plate 10, T-shaped nut 42 can move in T-shaped groove 101, like this, and can be more easily that the position of left and right pallet 21,22 is spacing.
Please refer to Fig. 1, Fig. 2, in order further to optimize technique scheme, in the pick-up unit of above-mentioned engine cylinder cover hole system, also comprise and be fixed on described right riser 12 lateral surfaces and the angle scale 25 concentric with the second rotating shaft 24, and corresponding with described angle scale 24 that arrange, be fixed on the angle indicator 26 in described the second rotating shaft.When detecting hole with angle and being, the first detection reference face A is placed on and detects on flat board, unclamp stop means 4, rotate left and right pallet 21,22, angle scale 25 does not rotate, and angle indicator 26 rotates with the second rotating shaft 24, like this, just can conveniently read the corresponding anglec of rotation by angle scale 25 and angle indicator 26, improve detection efficiency and accuracy of detection.
For the convenient position of detecting the hole of different directions, the engine cylinder cover hole that above-described embodiment provides is in pick-up unit, be provided with two left columns perpendicular to base plate 10 111 on the lateral surface of described left riser 12, described two root posts flush with the left side of described base plate; Be provided with two right columns perpendicular to base plate 10 121 on the lateral surface of described right riser 11, described two root posts flush with the right side of described base plate.The lateral surface B that is positioned at the column 111 of left riser 11 lateral surfaces is the second detection reference face, the lateral surface C that is positioned at the column 121 of right riser 12 lateral surfaces is the 3rd detection reference face, the first detection reference face A is placed on and detects on flat board, can detect the position of a direction in hole, then, can successively respectively the second detection reference face B, the 3rd detection reference face C be placed on and detect flat board above, can detect the position of another direction in hole.
Please refer to Fig. 3 A, Fig. 3 B, Fig. 5 A, Fig. 5 B, Fig. 6 A, Fig. 6 B, in order further to optimize technique scheme, the engine cylinder cover hole that above-described embodiment provides is in pick-up unit, on a described left side, right riser 11, be positioned at column 111 on 12, position between 121 is respectively arranged with resigning hole 113, 123, left, right pallet 21, 22 corresponding to described resigning hole 113, 123 position is disposed with respectively the bolt through-hole 211 passed for the second screw rod 44, 221, the threaded hole 212 be threaded with the threaded portion of the second screw rod 44, 222, the second screw rod 44 is fixed on to a left side, right pallet 21, nut mounting hole 213 on 22, 223.When the fixing left and right pallet of needs 21,22, the second screw rod 44 is through bolt through-hole 211,221 on left and right pallet 21,22, the threaded portion of the second screw rod 44 front ends is threaded with threaded hole 212,222, hold-down nut (not shown on figure) is set on the screw thread position of the second screw rod 44 front ends, left and right pallet 21,22 is fixing, and hold-down nut just in time falls into the nut mounting hole 213,223 on left and right pallet 21,22.Nut mounting hole 213,223 can, for square hole, circular hole or other shapes, be not construed as limiting at this.Resigning hole 111,121 can be not construed as limiting at this for square, circular or other shapes, and, resigning hole 111,121 is set on left and right riser, can facilitate the installation of hold-down nut, and have the effect of loss of weight concurrently, can alleviate the weight of pick-up unit.
Claims (10)
1. the pick-up unit of engine cylinder cover hole system, it is characterized in that, this pick-up unit comprises: base assembly (1), described base assembly comprises base plate (10), vertically be located at the left riser (11) of base plate left end, vertically be located at the right riser (12) of base plate right-hand member, and described left riser is parallel relative with right riser;
Angular adjustment assembly (2), described angular adjustment assembly (2) comprising: coaxially arranged the first rotating shaft (23) and the second rotating shaft (24), the axial line of described the first rotating shaft, the second rotating shaft is parallel with described base plate; The left pallet (21) be rotatably connected by the first rotating shaft (23) and described left riser (11), the first rotating shaft (23) is by set nut (27) axial restraint that is arranged at described left riser lateral surface; The right pallet (22) be rotatably connected by the second rotating shaft (24) and described right riser (12); Left and right pallet is the corresponding medial surface that is arranged at described left and right riser respectively, be respectively arranged with the mounting plane extended internally along the axial direction of described the first and second rotating shafts on left and right pallet, described mounting plane lays respectively at the below of first, second rotating shaft;
Be fixed on the location clamp assembly (3) for cylinder cap is positioned and clamps on left and right pallet mounting plane;
To circumferentially be fixed on the limit assembly (4) of detection position along rotating shaft around the left and right pallet of described the first rotating shaft (23) and the second rotating shaft (24) rotation respectively.
2. pick-up unit according to claim 1, is characterized in that, the vertical section of described left pallet (21) is stepped appearance, and its ladder plane forms the mounting plane that the axial direction along the first rotating shaft on described left pallet extends internally; The vertical section of described right pallet (22) is stepped appearance, and its ladder plane forms the mounting plane that the axial direction along the second rotating shaft on described right pallet extends internally.
3. pick-up unit according to claim 2, is characterized in that, described left pallet (21) is fitted with the medial surface of described left riser (11), and described right pallet (22) is fitted with the medial surface of described right riser (12).
4. pick-up unit according to claim 1, it is characterized in that, described location clamp assembly (3) comprising: detachably be installed on left and right pallet (21,22) the clamping plate (30) on mounting plane, the clamping plate is provided with the isometry block (31) for placing cylinder cap, for register pin (32) that cylinder cap is positioned, and the fixing bolt hole of cylinder cap (33).
5. pick-up unit according to claim 1, it is characterized in that, described limit assembly (4) comprising: be arranged on movably the T-shaped nut (42) on described base plate (10), with interconnective the first screw rod of described T-shaped nut (42) (41), be set in the axle sleeve (43) on the first external thread of screw, top in described boss member radially is provided with through hole, and the second screw rod (44) crosses this through hole and detachably is fixedly connected with left pallet (21) or right pallet (22).
6. according to the described pick-up unit of claim 1 to 5 any one, it is characterized in that, described pick-up unit also comprises and is fixed on described right riser (12) lateral surface and the angle scale (25) concentric with the second rotating shaft (24), and corresponding with described angle scale that arrange, be fixed on the angle indicator (26) in described the second rotating shaft (24).
7. according to the described pick-up unit of claim 1 to 5 any one, it is characterized in that, be arranged with two left columns perpendicular to base plate (10) (111) on the lateral surface of described left riser (12) in parallel, described left column flushes with the left side of described base plate; Be arranged with two right columns perpendicular to base plate (10) (121) on the lateral surface of described right riser (11) in parallel, described right column flushes with the right side of described base plate.
8. pick-up unit according to claim 5, is characterized in that, is provided with the inverted T shape groove (101) matched with described T-shaped nut (42) on described base plate (10).
9. pick-up unit according to claim 7, it is characterized in that, the position be positioned on described left riser (11) between left column (111) is provided with resigning hole (113), and described resigning hole (113) is corresponding with the link position of the second screw rod (44) on left pallet; The position be positioned on described right riser (12) between right column (121) is provided with resigning hole (123), and described resigning hole (123) is corresponding with the link position of the second screw rod (44) on right pallet.
10. pick-up unit according to claim 9, it is characterized in that, described left pallet (21) is disposed with respectively corresponding to the position of described resigning hole (113) bolt through-hole (211) passed for the second screw rod (44), the threaded hole (212) partly be threaded with the second screw flight, be fixed on the nut mounting hole (213) on left pallet by the second screw rod;
Described right pallet (22) is disposed with respectively corresponding to the position of described resigning hole (123) bolt through-hole (221) passed for the second screw rod (44), the threaded hole (222) partly be threaded with the second screw flight, be fixed on the nut mounting hole (223) on right pallet by the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355362.8A CN103438842B (en) | 2013-08-15 | 2013-08-15 | A kind of pick-up unit of engine cylinder cap bore system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355362.8A CN103438842B (en) | 2013-08-15 | 2013-08-15 | A kind of pick-up unit of engine cylinder cap bore system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438842A true CN103438842A (en) | 2013-12-11 |
| CN103438842B CN103438842B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310355362.8A Active CN103438842B (en) | 2013-08-15 | 2013-08-15 | A kind of pick-up unit of engine cylinder cap bore system |
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| Country | Link |
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| CN (1) | CN103438842B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596570A (en) * | 2015-01-22 | 2015-05-06 | 德盛镁汽车部件（芜湖）有限公司 | Automobile engine cylinder cover inner bore detection device |
| CN104880164A (en) * | 2015-05-29 | 2015-09-02 | 吴中区木渎蒯斌模具加工厂 | Fully-pneumatic four-station rotation detection apparatus |
| CN105234709A (en) * | 2015-10-30 | 2016-01-13 | 宁波海太工贸有限公司 | Thrust bearing installing structure |
| CN110530405A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of fixation device of engine borescope feeler lever |
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| CN201715991U (en) * | 2010-01-23 | 2011-01-19 | 浙江吉利汽车有限公司 | Angle-adjustable tool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596570A (en) * | 2015-01-22 | 2015-05-06 | 德盛镁汽车部件（芜湖）有限公司 | Automobile engine cylinder cover inner bore detection device |
| CN104880164A (en) * | 2015-05-29 | 2015-09-02 | 吴中区木渎蒯斌模具加工厂 | Fully-pneumatic four-station rotation detection apparatus |
| CN105234709A (en) * | 2015-10-30 | 2016-01-13 | 宁波海太工贸有限公司 | Thrust bearing installing structure |
| CN105234709B (en) * | 2015-10-30 | 2018-08-10 | 宁波海太工贸有限公司 | Thrust seat installation structure |
| CN110530405A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of fixation device of engine borescope feeler lever |
| CN110530405B (en) * | 2019-08-30 | 2021-03-16 | 中国航发动力股份有限公司 | Fixing device of engine hole detector probe rod |
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| Publication number | Publication date |
|---|---|
| CN103438842B (en) | 2015-11-18 |
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