CN110861033A - Inclined hole pin pressing tool and pin pressing method - Google Patents
Inclined hole pin pressing tool and pin pressing method Download PDFInfo
- Publication number
- CN110861033A CN110861033A CN201911159675.XA CN201911159675A CN110861033A CN 110861033 A CN110861033 A CN 110861033A CN 201911159675 A CN201911159675 A CN 201911159675A CN 110861033 A CN110861033 A CN 110861033A
- Authority
- CN
- China
- Prior art keywords
- pin
- core rod
- movable
- hole
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Automatic Assembly (AREA)
Abstract
The invention belongs to the field of machining or mechanical maintenance, and relates to an inclined hole pin pressing tool and a pin pressing method, wherein the inclined hole pin pressing tool comprises a positioning block and a movable pin pressing core rod; the movable pin pressing core rod is inserted in the positioning block and can move relative to the positioning block; the end part of the movable pressing pin core rod is provided with a pin hole along the axial direction of the movable pressing pin core rod. The inclined hole pin pressing tool and the pin pressing method provided by the invention have the advantages that the structure is simple, the pin can be accurately pressed in, and the working efficiency can be effectively improved.
Description
Technical Field
The invention belongs to the field of machining or mechanical maintenance, relates to an inclined hole pin pressing tool and a pin pressing method, and particularly relates to an inclined hole pin pressing tool and a pin pressing method for a shell assembly bushing.
Background
In the bushing of an aircraft engine housing assembly (see fig. 1), there is a diagonal bore (see fig. 2) in which a dowel pin needs to be pressed. At present, when a positioning pin is pressed in, a core rod (see figure 3) is mainly adopted to fix a pin and then the pin is directly pressed in an inclined hole of a housing bush. The specific process is as follows: and (3) carrying out press mounting on the positioning pin in the bushing hole of the shell assembly in the figure 1 by adopting a universal press pin tool (shown in figure 3), only fixing the positioning pin on the tool shown in figure 3 because the angle of the positioning pin cannot be determined, determining the press mounting position by naked eyes, and then knocking the head of the tool shown in figure 3 by a hammer along the oblique hole direction of the bushing until the positioning pin is stopped. The method has the defects that the press-fitting angle of the positioning pin cannot be determined, the pin is easy to press obliquely in the press-fitting process, and even parts and components are scrapped. Because the inclined hole of the bushing of the shell assembly is shallow, if the pin is positioned inaccurately, the pin is easy to incline or the press-in depth of the positioning pin is insufficient, and the parts and components can be scrapped when being repaired again.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the inclined hole pin pressing tool and the pin pressing method which are simple in structure, can be accurately pressed in and can effectively improve the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an inclined hole pressure round pin frock which characterized in that: the inclined hole pin pressing tool comprises a positioning block and a movable pin pressing core rod; the movable pin pressing core rod is inserted in the positioning block and can move relative to the positioning block; the end part of the movable pressing pin core rod is provided with a pin hole along the axial direction of the movable pressing pin core rod.
A core rod rotation moving through hole is formed in the positioning block along the axial direction of the positioning block; the movable press pin core rod is inserted into the core rod rotating and moving through hole, and can move along the axial direction of the movable press pin core rod and freely rotate in the core rod rotating and moving through hole.
The inclined hole pin pressing tool further comprises a fixed rotating shaft arranged in the core rod rotating moving through hole; the movable press pin core rod is arranged in the core rod rotation moving through hole and fixed through a fixed rotating shaft, and the movable press pin core rod rotates around the axial direction of the fixed rotating shaft in the core rod rotation moving through hole.
A waist-shaped through hole is formed in the movable pressing pin core rod along the axial direction of the movable pressing pin core rod; a rotating shaft clamping piece is arranged in the waist-shaped through hole; the length of the rotating shaft clamping piece is smaller than that of the waist-shaped through hole; the outer wall of the rotating shaft clamping piece is tangent to the inner wall of the waist-shaped through hole; the rotating shaft clamping piece is sleeved outside the fixed rotating shaft; the movable pressing pin core rod is arranged in the core rod rotating moving through hole and is fixed through the rotating shaft clamping piece and the fixed rotating shaft, and when the movable pressing pin core rod is knocked, the movable pressing pin core rod moves along the axial direction of the movable pressing pin core rod.
The whole rotary shaft clamping piece is of a dumbbell-shaped structure, and the end part of the rotary shaft clamping piece is sleeved outside the fixed rotary shaft.
The inclined hole pin pressing tool further comprises a jacking screw which is arranged on the positioning block and is stopped on the movable pin pressing core rod.
The projection of the jacking screw on the positioning block is coincided with the projection of the movable pressing pin core rod on the positioning block.
The inclined hole pin pressing method based on the inclined hole pin pressing tool is characterized in that: the inclined hole pin pressing method comprises the following steps:
1) combining and fixing the positioning block, the fixed rotating shaft and the movable press pin core rod;
2) selecting an angle ruler, and adjusting the angle on the angle ruler to be consistent with the requirement of a drawing;
3) inserting a positioning pin to be pressed into a pin hole at the end part of the movable pressing pin core rod;
4) the positioning block is arranged on the end face of a bushing hole of a shell assembly of the positioning pin to be installed, the angle relation between the axis of the movable press pin core rod and the positioning block is adjusted by utilizing the well-adjusted angle ruler, and the movable press pin core rod is fixed, so that the positioning pin to be pressed in at the end part of the movable press pin core rod is just opposite to the inclined hole;
5) lightly knocking the head of the movable pressing pin core rod, wherein the head of the movable pressing pin core rod and the pin holes are respectively arranged at two ends of the movable pressing pin core rod, the movable pressing pin core rod moves along the axial direction of the movable pressing pin core rod in the process of knocking the movable pressing pin core rod, and the positioning pin to be pressed gradually abuts against the end face of the inclined hole and is gradually pressed into the inclined hole under the inertia effect.
The specific implementation manner of adjusting the angle relationship between the axis of the movable press pin core rod and the positioning block and fixing the movable press pin core rod by using the adjusted angle ruler in the step 4) is as follows: and adjusting the angle relation between the axis of the movable pressing pin core rod and the positioning block by using the adjusted angle ruler, and screwing and fixing the movable pressing pin core rod through a jacking screw.
The invention has the advantages that:
the invention provides an inclined hole pin pressing tool and a pin pressing method, wherein the inclined hole pin pressing tool comprises a positioning block and a movable pin pressing core rod; the movable pin pressing core rod is inserted in the positioning block and can move relative to the positioning block; the end part of the movable pressing pin core rod is provided with a pin hole along the axial direction of the movable pressing pin core rod. The movable press pin core rod is inserted in the core rod rotating and moving through hole, can move along the axial direction of the movable press pin core rod and can freely rotate in the core rod rotating and moving through hole. The axial movement ensures that the movable press pin core rod can drive the positioning pin to be pressed in arranged at the end part of the movable press pin core rod to move, and the free rotation is to adjust the angle relation between the movable press pin core rod (namely the axial line of the positioning pin to be pressed in at the end part of the movable press pin core rod and the inclined hole) and the positioning block, so as to meet the design requirements of drawings. In the aspect of pressing pins in inclined holes of a bushing of a shell assembly, the invention is applied in more than 30 working procedures of more than 10 items of a certain key model, the positioning pin can be accurately and reliably pressed into the hole of the bushing, an operator can simply and quickly use the pin, the press-fitting quality of the pin is 100 percent qualified, and the components which are press-fitted by the invention are assembled and debugged to be qualified, thereby completely meeting the requirements of product performance. Meanwhile, the quality time of the components is improved, and the processing efficiency is shortened. The inclined hole pin pressing tool and the pin pressing method can meet the press fitting of the bushing hole positioning pin at any angle, after the tool is popularized and used in a production field, the press fitting reliability of the pin is remarkably improved, waste products are avoided, and the processing period of parts is effectively shortened. In the aspect of measurement, a universal caliper and a pin pressing tool are selected to be matched for use, and the pin pressing depth can be accurately measured. In the aspects of quality and efficiency, the pin can be directly, accurately and reliably pressed into the inclined hole of the shell assembly bushing by using the tool, the defective rate of the pin in the press fitting by using a general method is eliminated, and the quality and efficiency of the press fitting of the pin in the inclined hole of the shell assembly bushing are improved. Therefore, the invention has the advantages of simple structure, accurate pressing and effective improvement of working efficiency.
Drawings
FIG. 1 is a schematic illustration of the construction of an aircraft engine housing assembly;
FIG. 2 is a view from A-A of FIG. 1;
FIG. 3 is a schematic view of a mandrel (including a locating pin) used in the prior art;
FIG. 4 is a schematic structural view of a slant hole pin pressing tool adopted by the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
wherein:
1-positioning a block; 2-fixing the rotating shaft; 3, tightening the screw; 4-movable pressing pin core rod; 5-pin holes; 6-a positioning pin to be pressed in; 7-the core rod rotates to move the through hole; 8-waist-shaped through holes; 9-rotating shaft clamp.
Detailed Description
Referring to fig. 4 and 5, the invention provides an inclined hole pin pressing tool, which comprises a positioning block 1 and a movable pin pressing core rod 4; the movable pin pressing core rod 4 is inserted in the positioning block 1 and can move relative to the positioning block 1; the end of the movable press pin core rod 4 is provided with a pin hole 5 along the axial direction of the movable press pin core rod 4. The invention is improved on the basis of the existing core rod, the positioning block 1 is added, when in use, the positioning block 1 is fixed on the end surface of a bushing hole of a shell assembly, an angle relation is set by using an angle ruler according to the requirements of a drawing, meanwhile, the angle relation between the movable press pin core rod 4 and the positioning block 1 is adjusted by using the adjusted angle ruler, after the angle relation is determined, the movable press pin core rod 4 can be directly knocked, and a positioning pin 6 to be pressed in at the end part of the movable press pin core rod 4 is directly, conveniently and quickly pressed into an inclined hole, so that the positioning pin is well matched. As an extension, the proper movable pin pressing core rod 4 can be selected according to the difference of the actual outer diameter of the pin, and the same convenient function is achieved.
A core rod rotation moving through hole 7 is formed in the positioning block 1 along the axial direction of the positioning block 1; the movable press pin core rod 4 is inserted into the core rod rotation movement through hole 7, and the movable press pin core rod 4 is movable in the axial direction of the movable press pin core rod 4 and rotatable in the core rod rotation movement through hole 7. The axial movement ensures that the movable press pin core rod 4 can drive the positioning pin 6 to be pressed in arranged at the end part of the movable press pin core rod 4 to move, and the free rotation is to adjust the angle relation between the movable press pin core rod 4 (namely the axial line of the positioning pin 6 to be pressed in at the end part of the movable press pin core rod 4 and the inclined hole) and the positioning block 1, so as to meet the design requirements of drawings.
The inclined hole pin pressing tool further comprises a fixed rotating shaft 2 arranged in the core rod rotating moving through hole 7; the movable press-pin core rod 4 is arranged in the core rod rotation movement through hole 7 and fixed by the fixed rotation shaft 2, and the movable press-pin core rod 4 rotates in the core rod rotation movement through hole 7 in the axial direction of the fixed rotation shaft 2. A waist-shaped through hole 8 is formed in the movable pressing pin core rod 4 along the axial direction of the movable pressing pin core rod 4; a rotating shaft clamping piece 9 is arranged in the waist-shaped through hole 8; the length of the rotating shaft clamping piece 9 is less than that of the waist-shaped through hole 8; the outer wall of the rotating shaft clamping piece 9 is tangent to the inner wall of the waist-shaped through hole 8; the rotating shaft clamping piece 9 is sleeved outside the fixed rotating shaft 2; the movable press-pin core rod 4 is disposed in the core rod rotation movement through hole 7 and fixed by the rotation shaft holder 9 and the fixed rotation shaft 2, and when the movable press-pin core rod 4 is knocked, the movable press-pin core rod 4 moves in the axial direction of the movable press-pin core rod 4.
The whole rotating shaft clamping piece 9 is of a dumbbell-shaped structure, and the end part of the rotating shaft clamping piece 9 is sleeved outside the fixed rotating shaft 2. When the movable press pin core rod 4 is knocked, the rotating shaft clamping piece 9 is fixed through the fixed rotating shaft 2 and is kept still, the waist-shaped through hole 8 (the movable press pin core rod 4) and the rotating shaft clamping piece 9 move relatively (move along the axial direction of the movable press pin core rod 4), and therefore the positioning pin 6 to be pressed in at the end part of the movable press pin core rod 4 is ensured to move along the axial direction of the movable press pin core rod 4.
In order to more firmly or stably limit the angular relation between the movable press pin core rod 4 and the positioning block 1, the inclined hole press pin tool further comprises a jacking screw 3 which is arranged on the positioning block 1 and is stopped at the movable press pin core rod 4, and the projection of the jacking screw 3 on the positioning block 1 is coincided with the projection of the movable press pin core rod 4 on the positioning block 1.
Meanwhile, the invention also provides an inclined hole pin pressing method based on the inclined hole pin pressing tool, which comprises the following steps:
1) combining and fixing a positioning block 1, a fixed rotating shaft 2 and a movable press pin core rod 4;
2) selecting an angle ruler, and adjusting the angle on the angle ruler to be consistent with the requirement of a drawing;
3) inserting a positioning pin 6 to be pressed into a pin hole 5 at the end part of a movable pressing pin core rod 4;
4) the positioning block 1 is placed on the end face of a bushing hole of a shell assembly of a positioning pin 6 to be installed, the angle relation between the axis of the movable pressing pin core rod 4 and the positioning block 1 is adjusted by using an adjusted angle ruler, and the movable pressing pin core rod 4 is screwed and fixed by a jacking screw 3, so that the positioning pin 6 to be pressed in at the end part of the movable pressing pin core rod 4 is opposite to the inclined hole;
5) lightly knocking the head of the movable pressing pin core rod 4, wherein the head of the movable pressing pin core rod 4 and the pin holes 5 are respectively arranged at two ends of the movable pressing pin core rod 4, the movable pressing pin core rod 4 moves along the axial direction of the movable pressing pin core rod 4 in the process of knocking the movable pressing pin core rod 4, and the positioning pin 6 to be pressed gradually abuts against the end face of the inclined hole and is gradually pressed into the inclined hole under the inertia effect.
Taking the process of pressing the pin by the inclined hole of the bushing of the shell assembly as an example (fig. 1 and 2), two methods are selected for comparing the pressing effect. The first method comprises the following steps: and (3) carrying out press mounting on the positioning pin in the bushing hole of the shell assembly in the figure 1 by adopting a universal press pin tool (shown in figure 3), only fixing the positioning pin on the tool shown in figure 3 because the angle of the positioning pin cannot be determined, determining the press mounting position by naked eyes, and then knocking the head of the tool shown in figure 3 by a hammer along the oblique hole direction of the bushing until the positioning pin is stopped. The method has the defects that the press-fitting angle of the positioning pin cannot be determined, the pin is easy to press obliquely in the press-fitting process, and even parts and components are scrapped. The second method comprises the following steps: by adopting the inclined hole pin pressing tool provided by the invention, any angle required by a process drawing can be determined by utilizing the angle scale and the inclined hole pin pressing tool, the movable pin pressing core rod is fixed by the jacking screw, and then the head of the movable pin pressing core rod is knocked by the hammer, so that the positioning pin can be accurately and reliably pressed into the pin hole. From the quality aspect of the components, the universal tool is reliable and stable in operation process and quickly meets the production requirements.
Claims (9)
1. The utility model provides an inclined hole pressure round pin frock which characterized in that: the inclined hole pin pressing tool comprises a positioning block (1) and a movable pin pressing core rod (4); the movable press pin core rod (4) is inserted into the positioning block (1) and can move relative to the positioning block (1); the end part of the movable press pin core rod (4) is provided with a pin hole (5) along the axial direction of the movable press pin core rod (4).
2. The inclined hole pin pressing tool according to claim 1, characterized in that: a core rod rotation moving through hole (7) is formed in the positioning block (1) along the axial direction of the positioning block (1); the movable press pin core rod (4) is inserted into the core rod rotating and moving through hole (7), and the movable press pin core rod (4) can move along the axial direction of the movable press pin core rod (4) and can freely rotate in the core rod rotating and moving through hole (7).
3. The inclined hole pin pressing tool according to claim 2, characterized in that: the inclined hole pin pressing tool further comprises a fixed rotating shaft (2) arranged in the core rod rotating moving through hole (7); the movable press pin core rod (4) is arranged in the core rod rotation moving through hole (7) and is fixed through the fixed rotating shaft (2), and the movable press pin core rod (4) rotates around the axial direction of the fixed rotating shaft (2) in the core rod rotation moving through hole (7).
4. The inclined hole pin pressing tool according to claim 3, characterized in that: a waist-shaped through hole (8) is formed in the movable pressing pin core rod (4) along the axial direction of the movable pressing pin core rod (4); a rotating shaft clamping piece (9) is arranged in the waist-shaped through hole (8); the length of the rotating shaft clamping piece (9) is smaller than that of the waist-shaped through hole (8); the outer wall of the rotating shaft clamping piece (9) is tangent to the inner wall of the waist-shaped through hole (8); the rotating shaft clamping piece (9) is sleeved outside the fixed rotating shaft (2); the movable press pin core rod (4) is arranged in the core rod rotation moving through hole (7) and is fixed through the rotating shaft clamping piece (9) and the fixed rotating shaft (2), and when the movable press pin core rod (4) is knocked, the movable press pin core rod (4) moves along the axial direction of the movable press pin core rod (4).
5. The inclined hole pin pressing tool according to claim 4, characterized in that: the whole rotating shaft clamping piece (9) is of a dumbbell-shaped structure, and the end part of the rotating shaft clamping piece (9) is sleeved outside the fixed rotating shaft (2).
6. The inclined hole pin pressing tool according to any one of claims 1 to 5, wherein: the inclined hole pin pressing tool further comprises a jacking screw (3) which is arranged on the positioning block (1) and stops on the movable pin pressing core rod (4).
7. The inclined hole pin pressing tool according to claim 6, characterized in that: the projection of the jacking screw (3) on the positioning block (1) coincides with the projection of the movable press pin core rod (4) on the positioning block (1).
8. The inclined hole pin pressing method based on the inclined hole pin pressing tool according to claim 7 is characterized in that: the inclined hole pin pressing method comprises the following steps:
1) combining and fixing a positioning block (1), a fixed rotating shaft (2) and a movable press pin core rod (4);
2) selecting an angle ruler, and adjusting the angle on the angle ruler to be consistent with the requirement of a drawing;
3) inserting a positioning pin (6) to be pressed into a pin hole (5) at the end part of the movable pressing pin core rod (4);
4) the positioning block (1) is placed on the end face of a bushing hole of a shell assembly of the positioning pin (6) to be installed, the angle relation between the axis of the movable press pin core rod (4) and the positioning block (1) is adjusted by using an adjusted angle ruler, and the movable press pin core rod (4) is fixed, so that the positioning pin (6) to be pressed in at the end part of the movable press pin core rod (4) is right opposite to the inclined hole;
5) lightly knocking the head of the movable pressing pin core rod (4), wherein the head of the movable pressing pin core rod (4) and the pin holes (5) are respectively arranged at two ends of the movable pressing pin core rod (4), the movable pressing pin core rod (4) moves along the axial direction of the movable pressing pin core rod (4) in the knocking process of the movable pressing pin core rod (4), and the positioning pin (6) to be pressed is gradually stopped against the end face of the inclined hole and is gradually pressed into the inclined hole under the inertia effect.
9. The inclined hole pin-pressing method according to claim 8, wherein: the specific implementation mode of utilizing the adjusted angle ruler to adjust the angle relation between the axis of the movable press pin core rod (4) and the positioning block (1) and fix the movable press pin core rod (4) in the step 4) is as follows: the angle relation between the axis of the movable press pin core rod (4) and the positioning block (1) is adjusted by using the adjusted angle ruler, and the movable press pin core rod (4) is screwed and fixed by a jacking screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159675.XA CN110861033B (en) | 2019-11-22 | 2019-11-22 | Inclined hole pin pressing tool and pin pressing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159675.XA CN110861033B (en) | 2019-11-22 | 2019-11-22 | Inclined hole pin pressing tool and pin pressing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110861033A true CN110861033A (en) | 2020-03-06 |
| CN110861033B CN110861033B (en) | 2021-05-04 |
Family
ID=69655958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911159675.XA Active CN110861033B (en) | 2019-11-22 | 2019-11-22 | Inclined hole pin pressing tool and pin pressing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110861033B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266889A (en) * | 2020-03-11 | 2020-06-12 | 江苏海洋大学 | A fix a position frock fast for machining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009220263A (en) * | 2008-03-18 | 2009-10-01 | Shinzo Shinohara | Return pin pulling-in tool |
| KR20110098414A (en) * | 2010-02-26 | 2011-09-01 | 수성정밀기계(주) | Insertion apparatus of valve guide possible for managing gap |
| CN203045649U (en) * | 2013-01-10 | 2013-07-10 | 哈尔滨飞机工业集团有限责任公司 | Press mounting tool for inclined hole bushing |
| CN107900934A (en) * | 2017-12-05 | 2018-04-13 | 广西玉柴机器股份有限公司 | The assembly tool and its application method that bowl-type blocks |
| CN108272492A (en) * | 2018-02-02 | 2018-07-13 | 张慧杰 | A kind of Pediatric Clinic anti-shake puncture outfit |
-
2019
- 2019-11-22 CN CN201911159675.XA patent/CN110861033B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009220263A (en) * | 2008-03-18 | 2009-10-01 | Shinzo Shinohara | Return pin pulling-in tool |
| KR20110098414A (en) * | 2010-02-26 | 2011-09-01 | 수성정밀기계(주) | Insertion apparatus of valve guide possible for managing gap |
| CN203045649U (en) * | 2013-01-10 | 2013-07-10 | 哈尔滨飞机工业集团有限责任公司 | Press mounting tool for inclined hole bushing |
| CN107900934A (en) * | 2017-12-05 | 2018-04-13 | 广西玉柴机器股份有限公司 | The assembly tool and its application method that bowl-type blocks |
| CN108272492A (en) * | 2018-02-02 | 2018-07-13 | 张慧杰 | A kind of Pediatric Clinic anti-shake puncture outfit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266889A (en) * | 2020-03-11 | 2020-06-12 | 江苏海洋大学 | A fix a position frock fast for machining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110861033B (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107806807B (en) | The quickly method in detection oscillating bearing gap | |
| CN207540471U (en) | Oscillating bearing gap detection device | |
| CN204171743U (en) | Calibration rotates milling clamper | |
| CN110064909B (en) | Positioning tool, positioning test device and method for measuring bevel gear circumferential backlash | |
| CN110315359B (en) | Low-pressure turbine guide blade tool structure and adjusting method | |
| CN110861033B (en) | Inclined hole pin pressing tool and pin pressing method | |
| CN111336900B (en) | Non-centering adjustment method for permanent magnet eddy current speed regulator | |
| CN114505673B (en) | Air compressor main machine exhaust end screw clearance adjustment process | |
| CN104833489A (en) | Hydraulic locking shaft sleeve performance and reliability test platform | |
| CN207487559U (en) | A kind of screw rod and star-wheel back lash measuring device | |
| CN116086285A (en) | Box hole coaxiality and verticality combined measurement device | |
| CN206208228U (en) | Full tenon tooth positioner | |
| CN204657547U (en) | A kind of Cylinder Parts outer round surface drilling-hole positioning device | |
| CN114012119A (en) | Linkage adjusting double-edge boring head cutter | |
| CN208772481U (en) | Large-scale lathe revolving meber beat centering auxiliary tool | |
| CN216385351U (en) | Turbine adjustable stationary blade petiole detection device | |
| CN108955500B (en) | Hole center locator | |
| CN203356671U (en) | Positioning clamp | |
| CN217860156U (en) | High-precision positioning device for scraping machine tool | |
| CN219685320U (en) | Centering device applied to shaft and coupler | |
| CN220880672U (en) | Milling groove sleeve of shaft part | |
| CN114888593B (en) | Accurate and efficient positioning device for tool magazine cam and spline housing orthogonal shaft | |
| CN219704884U (en) | Roller thrust bearing sleeve mounting tool | |
| CN111618386B (en) | Fixture for precisely machining working edge of valve pocket of servo valve | |
| CN111015590B (en) | Rubber joint press-fitting angle tool for oil pressure damper for railway vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |