CN109580096B - Simple eccentric wheel mass-diameter product adjusting device based on static balance principle - Google Patents
Simple eccentric wheel mass-diameter product adjusting device based on static balance principle Download PDFInfo
- Publication number
- CN109580096B CN109580096B CN201811326814.9A CN201811326814A CN109580096B CN 109580096 B CN109580096 B CN 109580096B CN 201811326814 A CN201811326814 A CN 201811326814A CN 109580096 B CN109580096 B CN 109580096B
- Authority
- CN
- China
- Prior art keywords
- eccentric wheel
- centering
- mass
- central shaft
- hole
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 title claims abstract description 23
- 239000000758 substrate Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/32—Compensating imbalance by adding material to the body to be tested, e.g. by correcting-weights
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/30—Compensating imbalance
- G01M1/34—Compensating imbalance by removing material from the body to be tested, e.g. from the tread of tyres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Of Balance (AREA)
- Lens Barrels (AREA)
Abstract
A simple eccentric wheel mass-diameter product adjusting device based on a static balance principle relates to the field of mass-diameter product adjusting device design; the device comprises a calibration component, an expansion sleeve, a central shaft, an eccentric wheel component, a support frame, a base and an adjustable support; wherein, the base is a horizontally placed rectangular plate-shaped structure; the adjustable support is fixedly arranged on the lower surface of the base to realize the horizontal leveling of the base; the supporting frame is vertically and fixedly arranged on the upper surface of the base; the central shaft is horizontally arranged between the support frames; the expansion sleeve is of a hollow sleeve structure; the expansion sleeve is sleeved on the outer wall of the central shaft; the calibration assembly is vertically and fixedly arranged below one axial end of the expansion sleeve; the eccentric wheel assembly is sleeved on the outer wall of the central shaft; the eccentric wheel assembly is butted with the other axial end of the expansion sleeve; the device is simple, low in cost and easy to replace, and can be used for adjusting the mass and diameter products of various eccentric wheels.
Description
Technical Field
The invention relates to the field of design of a mass-diameter product adjusting device, in particular to a simple eccentric wheel mass-diameter product adjusting device based on a static balance principle.
Background
The key component of equipment such as centrifuges, centrifugal actuators and the like is an eccentric wheel or an eccentric block, the rotation of the eccentric wheel can generate centrifugal output force, and the mass-diameter product precision and the output force precision are directly related. How to adjust the mass-diameter product of the eccentric wheel is a common problem.
The universal mass product measurement and adjustment device has two disadvantages: firstly, the cost is higher, secondly all need independent fixed frock during every kind of eccentric wheel is adjusted. For the occasions with various eccentric wheel types and low required precision, the universal mass-diameter product adjusting equipment has no advantages and needs to solve the problems in other modes.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, and the simple eccentric wheel mass-diameter product adjusting device is simple in device, low in manufacturing cost, easy to replace and capable of adjusting mass-diameter products of various eccentric wheels.
The above purpose of the invention is realized by the following technical scheme:
a simple eccentric wheel mass-diameter product adjusting device based on a static balance principle comprises a calibration assembly, an expansion sleeve, a central shaft, an eccentric wheel assembly, a supporting frame, a base and an adjustable support; wherein, the base is a horizontally placed rectangular plate-shaped structure; the adjustable support is fixedly arranged on the lower surface of the base to realize the horizontal leveling of the base; the supporting frame is vertically and fixedly arranged on the upper surface of the base; the central shaft is horizontally arranged between the support frames; the expansion sleeve is of a hollow sleeve structure; the expansion sleeve is sleeved on the outer wall of the central shaft; the calibration assembly is vertically and fixedly arranged below one axial end of the expansion sleeve; the eccentric wheel assembly is sleeved on the outer wall of the central shaft; and the eccentric wheel component is butted with the other axial end of the expansion sleeve.
In the above simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, the eccentric wheel assembly comprises a base plate and a mass block; wherein, the substrate is in an axisymmetric plate-shaped structure; the mass block is fixedly arranged at one end of the substrate in the axial direction; and the axis of the substrate passes through the center of the proof mass.
In the simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, the base plate is provided with the centering hole and 2 gasket adjusting devices; wherein, the centering hole is a through hole structure; the centering hole is arranged on the axis of the substrate; the centering hole is opposite to the mass block; the 2 gasket adjusting devices are symmetrically arranged on two sides of the centering hole.
In the simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, the adjusting device further comprises a centering rod; a through hole is formed in the side wall of the support frame; the centering rod axially penetrates through the through hole of the support frame and extends into the centering hole, and therefore the eccentric wheel assembly is calibrated and adjusted.
In the simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, the aperture of the centering hole is 0.5-1.5mm larger than the diameter of the centering rod.
In the above simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, the method for simply adjusting the eccentric wheel mass-diameter product comprises the following steps:
step one, centering adjustment of the mass center of the eccentric wheel assembly;
and step two, centering and adjusting the mass center of the eccentric wheel assembly and the calibration assembly.
In the above simple eccentric wheel mass-diameter product adjusting device based on the static balance principle, in the first step, the method for centering and adjusting the eccentric wheel assembly mass center comprises:
s1: the base is leveled through the adjustable support;
s2: sleeving an eccentric wheel assembly on a central shaft, and vertically placing a mass block below the central shaft; the centering hole is positioned above the central shaft;
s3: the centering rod axially penetrates through the through hole of the support frame and extends into the centering hole;
s4: checking whether the outer wall of the centering rod is in contact with the inner walls of the two sides of the centering hole or not; when the outer wall of the centering rod is contacted with the inner wall of one side of the centering hole, a gasket is added on the gasket adjusting device corresponding to the inner wall of the other side of the centering hole; until the outer wall of the centering rod is adjusted to be not contacted with the inner walls at two sides of the centering hole.
In the above simple adjusting device for eccentric wheel mass and diameter product based on the static balance principle, in the second step, the method for centering adjustment of the center of mass of the eccentric wheel assembly and the calibration assembly comprises:
s1: the eccentric wheel component is turned by 180 degrees along the circumferential direction, so that the mass block is placed above the central shaft; the centering hole is positioned below the central shaft;
s2: the centering rod axially penetrates through the through hole of the support frame and extends into the centering hole;
s3: the calibration component is sleeved on the central shaft through the expansion sleeve (2), so that the calibration component is vertically placed below the central shaft;
s4: the eccentric wheel assembly is butted with one axial end of the expansion sleeve, so that the eccentric wheel assembly is fixedly connected with the calibration assembly through the expansion sleeve;
s5: pulling out the centering rod, and checking whether a connecting body of the eccentric wheel assembly and the calibration assembly rotates around the central shaft or not; when the eccentric wheel assembly and the calibration assembly rotate, the gaskets are added or reduced on the 2 gasket adjusting devices at the same time, and the connecting body of the eccentric wheel assembly and the calibration assembly is static.
Compared with the prior art, the invention has the following advantages:
(1) the device is simple and low in cost;
(2) the standard blocks are connected through the expansion sleeves, so that the standard blocks are easy to replace;
(3) the shaft system of the invention can be designed with various mechanical interfaces to realize the adjustment of the mass-diameter products of various eccentric wheels.
Drawings
FIG. 1 is a schematic view of an adjusting device according to the present invention;
FIG. 2 is a schematic view of an eccentric wheel assembly of the present invention;
FIG. 3 is a schematic view of the eccentric wheel assembly center of mass adjustment of the present invention;
FIG. 4 is a schematic view of the center of mass centering adjustment of the eccentric wheel assembly and the calibration assembly of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the invention provides a simple eccentric wheel mass and diameter product adjusting device based on a static balance principle, which is a device with low manufacturing cost and can be suitable for multi-purpose eccentric wheel mass and diameter product adjusting occasions without adopting a general equipment adjusting method with high manufacturing cost. This type of eccentric wheel has the subassembly of irregular appearance, and its quality footpath is long-pending to be difficult to guarantee through the machine adds, consequently needs to finely tune. By increasing (decreasing) the control of the adjusting mass shims (two sets), it is possible to achieve: 1) center of mass centering adjustment (two groups of gaskets are respectively adjusted); 2) adjustment of the product of mass and diameter (simultaneous adjustment of two sets of shims).
As shown in fig. 1, which is a schematic diagram of an adjusting device, it can be known that a simple adjusting device for mass and diameter product of an eccentric wheel based on a static balance principle includes a calibration assembly 1, an expansion sleeve 2, a central shaft 3, an eccentric wheel assembly 4, a support frame 5, a centering rod 6, a base 7 and an adjustable support 8; wherein, the base 7 is a horizontally placed rectangular plate-shaped structure; the adjustable support 8 is fixedly arranged on the lower surface of the base 7 to realize the horizontal leveling of the base 7; the supporting frame 5 is vertically and fixedly arranged on the upper surface of the base 7; the central shaft 3 is horizontally arranged between the support frames 5; the expansion sleeve 2 is of a hollow sleeve structure; the expansion sleeve 2 is sleeved on the outer wall of the central shaft 3; the calibration component 1 is vertically and fixedly arranged below one axial end of the expansion sleeve 2; the eccentric wheel assembly 4 is sleeved on the outer wall of the central shaft 3; and the eccentric wheel component 4 is butted with the other axial end of the expansion sleeve 2. A through hole is arranged on the side wall of the support frame 5; the centering rod 6 axially penetrates through the through hole of the support frame 5 and extends into the centering hole 43, so that the eccentric wheel assembly 4 is calibrated and adjusted. The aperture of the centering hole 43 is 0.5-1.5mm larger than the diameter of the centering rod 6.
As shown in FIG. 2, the eccentric assembly 4 includes a base plate 41 and a mass 42; wherein, the substrate 41 is an axisymmetric plate-shaped structure; the mass block 42 is fixedly arranged at one end of the substrate 41 in the axial direction; and the axis of the substrate 41 passes through the center of the mass 42. The base plate 41 is provided with a centering hole 43 and 2 gasket adjusting devices 44; wherein, the centering hole 43 is a through hole structure; the centering hole 43 is provided on the axis of the base plate 41; and the centering hole 43 is opposite to the mass block 42; the 2 shim adjusters 44 are symmetrically disposed on both sides of the centering hole 43.
The method for simply adjusting the mass-diameter product of the eccentric wheel comprises the following steps:
fig. 3 is a schematic diagram illustrating the adjustment of the center of mass of the eccentric wheel assembly, and it can be known from the diagram that:
step one, the center of mass of the eccentric wheel assembly 4 is adjusted in a centering way;
the method for centering adjustment of the mass center of the eccentric wheel assembly 4 comprises the following steps:
s1: the base 7 is leveled through an adjustable support 8;
s2: sleeving the eccentric wheel assembly 4 on the central shaft 3, and vertically placing the mass block 42 below the central shaft 3; the centering hole 43 is located above the central shaft 3;
s3: the centering rod 6 axially penetrates through the through hole of the support frame 5 and extends into the centering hole 43;
s4: checking whether the outer wall of the centering rod 6 is in contact with the inner walls of the two sides of the centering hole 43; when the outer wall of the centering rod 6 is contacted with the inner wall of one side of the centering hole 43, a gasket is added on the gasket adjusting device 44 corresponding to the inner wall of the other side of the centering hole 43; until the outer wall of the centering rod 6 is adjusted to be not contacted with the inner walls at the two sides of the centering hole 43.
And step two, the eccentric wheel assembly 4 and the mass center of the calibration assembly 1 are adjusted in a centering way.
Fig. 4 shows a schematic diagram of the center of mass centering adjustment of the eccentric wheel assembly and the calibration assembly, and it can be known from the diagram that:
the method for centering and adjusting the mass centers of the eccentric wheel assembly 4 and the calibration assembly 1 comprises the following steps:
s1: the eccentric wheel assembly 4 is rotated by 180 degrees along the circumferential direction, so that the mass block 42 is placed above the central shaft 3; the centering hole 43 is located below the central shaft 3;
s2: the centering rod 6 axially penetrates through the through hole of the support frame 5 and extends into the centering hole 43;
s3: sleeving a calibration component 1 on a central shaft 3 through an expansion sleeve 2 to vertically place the calibration component 1 below the central shaft 3;
s4: the eccentric wheel assembly 4 is butted with one axial end of the expansion sleeve 2, so that the eccentric wheel assembly 4 is fixedly connected with the calibration assembly 1 through the expansion sleeve 2;
s5: pulling out the centering rod 6, and checking whether a connecting body of the eccentric wheel assembly 4 and the calibration assembly 1 rotates around the central shaft 3; when the eccentric wheel assembly 4 and the calibration assembly 1 are in static connection, the spacers are added or reduced on the 2 spacer adjusting devices 44 at the same time when the eccentric wheel assembly rotates, and adjustment is completed.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (5)
1. The utility model provides a simple and easy adjusting device of eccentric wheel matter footpath volume based on static balance principle which characterized in that: comprises a calibration component (1), an expansion sleeve (2), a central shaft (3), an eccentric wheel component (4), a support frame (5), a base (7) and an adjustable support (8); wherein, the base (7) is a horizontally placed rectangular plate-shaped structure; the adjustable support (8) is fixedly arranged on the lower surface of the base (7) to realize the horizontal leveling of the base (7); the support frame (5) is vertically and fixedly arranged on the upper surface of the base (7); the central shaft (3) is horizontally arranged between the support frames (5); the expansion sleeve (2) is of a hollow sleeve structure; the expansion sleeve (2) is sleeved on the outer wall of the central shaft (3); the calibration assembly (1) is vertically and fixedly arranged below one axial end of the expansion sleeve (2); the eccentric wheel assembly (4) is sleeved on the outer wall of the central shaft (3); the eccentric wheel component (4) is butted with the other axial end of the expansion sleeve (2);
the eccentric wheel assembly (4) comprises a base plate (41) and a mass block (42); wherein, the substrate (41) is in an axisymmetric plate-shaped structure; the mass block (42) is fixedly arranged at one end of the substrate (41) in the axial direction; and the axis of the substrate (41) passes through the center of the mass block (42);
the base plate (41) is provided with a centering hole (43) and 2 gasket adjusting devices (44); wherein, the centering hole (43) is a through hole structure; the centering hole (43) is arranged on the axis of the substrate (41); the centering hole (43) is opposite to the mass block (42); the 2 gasket adjusting devices (44) are symmetrically arranged at two sides of the centering hole (43);
the adjustment device further comprises a centering rod (6); a through hole is arranged on the side wall of the support frame (5); the centering rod (6) axially penetrates through the through hole of the support frame (5) and extends into the centering hole (43), so that the eccentric wheel assembly (4) is calibrated and adjusted.
2. The simple eccentric wheel mass-diameter product adjusting device based on the static balance principle as claimed in claim 1, wherein: the aperture of the centering hole (43) is 0.5-1.5mm larger than the diameter of the centering rod (6).
3. The simple eccentric wheel mass-diameter product adjusting device based on the static balance principle as claimed in claim 2, wherein: the method for simply adjusting the mass-diameter product of the eccentric wheel comprises the following steps:
step one, centering and adjusting the mass center of the eccentric wheel assembly (4);
and step two, centering and adjusting the center of mass of the eccentric wheel assembly (4) and the calibration assembly (1).
4. The simple eccentric wheel mass-diameter product adjusting device based on the static balance principle as claimed in claim 3, wherein: in the first step, the method for centering and adjusting the mass center of the eccentric wheel assembly (4) comprises the following steps:
s1: the base (7) is leveled through an adjustable support (8);
s2: sleeving the eccentric wheel assembly (4) on the central shaft (3), and vertically placing the mass block (42) below the central shaft (3); the centering hole (43) is positioned above the central shaft (3);
s3: the centering rod (6) axially penetrates through the through hole of the support frame (5) and extends into the centering hole (43);
s4: checking whether the outer wall of the centering rod (6) is in contact with the inner walls of the two sides of the centering hole (43); when the outer wall of the centering rod (6) is in contact with the inner wall of one side of the centering hole (43), a gasket is added on a gasket adjusting device (44) corresponding to the inner wall of the other side of the centering hole (43); until the outer wall of the centering rod (6) is adjusted to be not contacted with the inner walls at two sides of the centering hole (43).
5. The simple eccentric wheel mass-diameter product adjusting device based on the static balance principle as claimed in claim 4, wherein: in the second step, the method for centering and adjusting the mass center of the eccentric wheel assembly (4) and the calibration assembly (1) comprises the following steps:
s1: the eccentric wheel assembly (4) is turned by 180 degrees along the circumferential direction, so that the mass block (42) is placed above the central shaft (3); the centering hole (43) is positioned below the central shaft (3);
s2: the centering rod (6) axially penetrates through the through hole of the support frame (5) and extends into the centering hole (43);
s3: sleeving the calibration component (1) on the central shaft (3) through the expansion sleeve (2) to vertically place the calibration component (1) below the central shaft (3);
s4: the eccentric wheel assembly (4) is butted with one axial end of the expansion sleeve (2), so that the eccentric wheel assembly (4) is fixedly connected with the calibration assembly (1) through the expansion sleeve (2);
s5: pulling out the centering rod (6), and checking whether the connecting body of the eccentric wheel assembly (4) and the calibration assembly (1) rotates around the central shaft (3); when rotating, the gaskets are added or reduced on the 2 gasket adjusting devices (44) at the same time, so that the connecting body of the eccentric wheel assembly (4) and the calibration assembly (1) is static.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326814.9A CN109580096B (en) | 2018-11-08 | 2018-11-08 | Simple eccentric wheel mass-diameter product adjusting device based on static balance principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326814.9A CN109580096B (en) | 2018-11-08 | 2018-11-08 | Simple eccentric wheel mass-diameter product adjusting device based on static balance principle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580096A CN109580096A (en) | 2019-04-05 |
| CN109580096B true CN109580096B (en) | 2020-10-23 |
Family
ID=65921901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811326814.9A Active CN109580096B (en) | 2018-11-08 | 2018-11-08 | Simple eccentric wheel mass-diameter product adjusting device based on static balance principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109580096B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460204B (en) * | 2020-11-30 | 2022-08-12 | 北京精密机电控制设备研究所 | Fan-shaped circular ring eccentric wheel for vibration active control centrifugal actuator |
| US12006833B2 (en) | 2022-09-02 | 2024-06-11 | General Electric Company | Shaft for a turbomachine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH046432A (en) * | 1990-04-24 | 1992-01-10 | Honda Motor Co Ltd | Method for measuring unbalance of torque converter |
| US5309753A (en) * | 1993-04-08 | 1994-05-10 | U.S. Golf Association | Apparatus and method for determining the inertia matrix of a rigid body |
| CN101688816A (en) * | 2007-07-19 | 2010-03-31 | 丰田自动车株式会社 | Unbalance correction device of high speed rotary apparatus |
| CN102998057A (en) * | 2011-09-15 | 2013-03-27 | 北京自动化控制设备研究所 | Centroid balancing device and centroid balancing method for inertial navigation system |
| CN204740100U (en) * | 2015-07-21 | 2015-11-04 | 长春理工大学 | Solid of revolution equator inertia test fixture mechanism |
| CN204788799U (en) * | 2015-07-21 | 2015-11-18 | 长春理工大学 | Accredited testing organization on eccentric test equipment of barycenter |
| CN105092154A (en) * | 2015-04-30 | 2015-11-25 | 孔丹群 | Dual-facade rotary quality and center of mass eccentric testing device |
| CN106066632A (en) * | 2016-06-03 | 2016-11-02 | 哈尔滨工业大学 | Air supporting simulator barycenter and rotary inertia independence continuous adjustment system and control method |
| CN108072489A (en) * | 2016-11-10 | 2018-05-25 | 内蒙动力机械研究所 | A kind of centroid measurement instrument for rotating dynamic balance type and the method for measuring barycenter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10034952A1 (en) * | 2000-07-19 | 2002-01-31 | Schaeffler Waelzlager Ohg | Device for automatic balancing |
| ITUB20156073A1 (en) * | 2015-12-02 | 2017-06-02 | Nuovo Pignone Tecnologie Srl | DEVICE FOR BALANCING THE ROTOR OF A TURBOMACHINE |
-
2018
- 2018-11-08 CN CN201811326814.9A patent/CN109580096B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH046432A (en) * | 1990-04-24 | 1992-01-10 | Honda Motor Co Ltd | Method for measuring unbalance of torque converter |
| US5309753A (en) * | 1993-04-08 | 1994-05-10 | U.S. Golf Association | Apparatus and method for determining the inertia matrix of a rigid body |
| CN101688816A (en) * | 2007-07-19 | 2010-03-31 | 丰田自动车株式会社 | Unbalance correction device of high speed rotary apparatus |
| CN102998057A (en) * | 2011-09-15 | 2013-03-27 | 北京自动化控制设备研究所 | Centroid balancing device and centroid balancing method for inertial navigation system |
| CN105092154A (en) * | 2015-04-30 | 2015-11-25 | 孔丹群 | Dual-facade rotary quality and center of mass eccentric testing device |
| CN204740100U (en) * | 2015-07-21 | 2015-11-04 | 长春理工大学 | Solid of revolution equator inertia test fixture mechanism |
| CN204788799U (en) * | 2015-07-21 | 2015-11-18 | 长春理工大学 | Accredited testing organization on eccentric test equipment of barycenter |
| CN106066632A (en) * | 2016-06-03 | 2016-11-02 | 哈尔滨工业大学 | Air supporting simulator barycenter and rotary inertia independence continuous adjustment system and control method |
| CN108072489A (en) * | 2016-11-10 | 2018-05-25 | 内蒙动力机械研究所 | A kind of centroid measurement instrument for rotating dynamic balance type and the method for measuring barycenter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109580096A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109580096B (en) | Simple eccentric wheel mass-diameter product adjusting device based on static balance principle | |
| CN107238457A (en) | A kind of low thrust measurement apparatus | |
| CN108593270B (en) | A kind of single-degree-of-freedom vibration absorber test platform | |
| CN101804719A (en) | Vibration-adsorption structure of carving knife of digital wide-width electronic carving machine | |
| JPH07218794A (en) | Lateral-direction adjusting device for lens in high-performance objective-lens assembly | |
| CN107976767B (en) | Infrared lens precise centering device and method based on low-stress clamping | |
| CN105547348B (en) | A kind of semi-hardware type simulation test turntable and its coupling structure | |
| CN109141792B (en) | Clamp applied to telemetering antenna vibration test | |
| CN203191163U (en) | Motor dynamic balance tester | |
| CN111578978A (en) | High-precision sensor calibration workbench | |
| CN105716770A (en) | Calibration device for simulating friction moment of spaceflight bearing under zero gravity | |
| CN108593204A (en) | A kind of dynamic balance accuracy lifting device and method for ultraprecision spindles | |
| CN117723204A (en) | Comprehensive test board and load quality correction method | |
| CN109855866A (en) | Mounted in pairs angular contact ball bearing axial rigidity measurement method | |
| CN219104623U (en) | Dynamic force calibration device suitable for fatigue testing machine | |
| CN104141534B (en) | A kind of diesel engine and the centering method of slave equipment and device | |
| CN107020223A (en) | A kind of glue spreading apparatus for electronic component | |
| CN201130024Y (en) | Compensator structure of laser wire throwing instrument | |
| AU2138699A (en) | A vibrating device for vibrating liquid provided in vessels | |
| CN116067326A (en) | Front landing gear buffer strut integral detection device and detection method | |
| JP2024508058A (en) | Internally supported air suspension static balancing device and method for high-precision rotating ring-shaped parts | |
| CN108036912A (en) | Exciting device outside a kind of MEMS micro-structure triple axle pieces based on inverse piezoelectric effect | |
| CN212407353U (en) | High-precision 'shaft sleeve shaft' double-shaft system structure | |
| CN111623817B (en) | High-precision turntable without magnetic speed | |
| JP2016070895A (en) | Bench test machine for transmission |
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 |