CN110587481B - Intermittent grinding active measuring device and piston damping structure thereof - Google Patents
Intermittent grinding active measuring device and piston damping structure thereof Download PDFInfo
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- CN110587481B CN110587481B CN201910968499.8A CN201910968499A CN110587481B CN 110587481 B CN110587481 B CN 110587481B CN 201910968499 A CN201910968499 A CN 201910968499A CN 110587481 B CN110587481 B CN 110587481B
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- piston head
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- 238000013016 damping Methods 0.000 title claims abstract description 201
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 229920002545 silicone oil Polymers 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 230000002708 enhancing effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003921 oil Substances 0.000 abstract description 3
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The application relates to a piston damping structure of an intermittent grinding active measuring device, which comprises a first damping mechanism and a second damping mechanism which can be installed in a sealed box body, wherein silicone oil is filled in the box body; one end of the first damping mechanism can be connected with the measuring rod through the transmission part, the other end of the first damping mechanism is provided with a piston head, the first damping mechanism is further provided with a first damping plate, one end of the second damping mechanism can be connected with the other measuring rod through the transmission part, the other end of the second damping mechanism is provided with a piston cylinder matched with the piston head, and the second damping mechanism is further provided with a second damping plate. According to the application, by arranging the piston damper with the piston head, the piston cylinder and the damping plate, when two measuring rods clamping a rotary workpiece to be measured with intermittent surface characteristics vibrate, the silicon oil in the sealing box body can increase the damping of the piston head entering and exiting the piston cylinder, increase the resistance of the damping plate to move, reduce the vibration amplitude of the measuring rods and effectively improve the measurement precision.
Description
Technical Field
The invention relates to an active grinding measurement technology, in particular to an intermittent active grinding measurement device and a piston damping structure thereof.
Background
The grinding active measurement technology effectively solves the problems of poor product consistency, unstable quality and low processing efficiency in the traditional grinding process. The active measurement controller for grinding is a device for measuring parts on line and controlling grinding progress, and is widely applied to automatic and semi-automatic grinding machines. The on-line part size measurement is always carried out in the grinding working process, the size variation is transmitted to the controller at any time, and the control equipment sends out a signal to control the action of the grinding machine, so that the product quality and the production efficiency can be effectively improved. Rotary-type parts with intermittent surface features are often encountered in grinding processes, such as: in the process of online grinding of the rotary parts, when the rotary parts touch the groove part, a measuring rod clamping the excircle of the grinding workpiece can jump, the measured size of the measuring rod changes suddenly, the measured value mutation can influence the measurement precision of an active measurement controller, and the grinding process is interrupted due to misjudgment; in order to reduce the fluctuation in the active measurement process of intermittent surface grinding, as disclosed in the Chinese patent document with publication number CN103075920A, the automatic data correction and compensation treatment are carried out on the abrupt measurement size value through a measurement circuit and data processing, so that the misjudgment of actions for measurement control is avoided, but the method cannot effectively solve the problem that the measurement accuracy is influenced by the jump of a measuring rod; in order to reduce the jump of the measuring rod, some manufacturers add damping mechanisms connected with the measuring rod in the grinding active measurement control instrument, but the damping effect of the existing damping mechanisms is poor, and improvement is needed.
Disclosure of Invention
The invention aims to provide an intermittent grinding active measuring device and a piston damping structure thereof, which are used for solving the problems of large measuring rod runout amplitude and poor measuring precision when the existing grinding active measuring device actively measures rotary parts with intermittent surface characteristics.
In order to solve the problems, the invention provides a piston damping structure of an intermittent grinding active measuring device, which comprises a piston damper, wherein the piston damper is arranged in a sealing box body and is connected with a measuring rod, the piston damper comprises a first damping mechanism and a second damping mechanism, one end of the first damping mechanism can be connected with the measuring rod through a transmission part, a piston head is arranged at the other end of the first damping mechanism, a first damping plate perpendicular to the central axis of the piston head is further arranged on the first damping mechanism, one end of the second damping mechanism can be connected with the other measuring rod through the transmission part, a piston cylinder matched with the piston head is arranged at the other end of the second damping mechanism, and a second damping plate perpendicular to the central axis of the piston cylinder is further arranged on the second damping mechanism; and the sealing box body is also filled with silicone oil, and the piston damper is immersed in the silicone oil.
The piston damping structure of the intermittent grinding active measuring device provided by the invention also has the following technical characteristics:
Further, a set of opposite sides of the first damping plate are respectively provided with a damping flange perpendicular to the first damping plate, and a set of opposite sides of the second damping plate are respectively provided with a damping flange perpendicular to the second damping plate.
Further, a damping rib on the first damping plate is disposed on a side adjacent to the piston head; the damping flange on the second damping plate is arranged on one side close to the piston cylinder.
Further, a first damping reinforcing plate perpendicular to the central axis of the piston head is further arranged on the first damping mechanism, and a second damping reinforcing plate perpendicular to the central axis of the piston cylinder is further arranged on the second damping mechanism.
Further, the first damping reinforcement plate is located between the piston head and the first damping plate, and the second damping reinforcement plate is located between the piston cylinder and the second damping plate.
The invention also provides an intermittent grinding active measuring device, which comprises a box body, wherein a lever assembly used for being connected with a measuring rod is fixedly arranged in the box body, one end of the lever assembly is fixedly connected with the measuring rod, the other end of the lever is fixedly connected with a contact of a displacement detection sensor, the intermittent grinding active measuring device is characterized in that the box body is a sealed box body, silicone oil is filled in the box body, a piston damper fixedly connected with the lever assembly is further arranged in the box body, the piston damper comprises a first damping mechanism and a second damping mechanism, one end of the first damping mechanism is fixedly connected with the lever assembly, a piston head is arranged at the other end of the first damping mechanism, a first damping plate vertical to the central axis of the piston head is further arranged on the first damping mechanism, one end of the second damping mechanism is fixedly connected with the other lever assembly, a piston cylinder matched with the piston head is arranged at the other end of the second damping mechanism, and a second damping plate vertical to the central axis of the piston cylinder is further arranged on the second damping mechanism.
The intermittent grinding active measuring device provided by the invention also has the following technical characteristics:
Further, a first damping reinforcing plate perpendicular to the central axis of the piston head is further arranged on the first damping mechanism, and a second damping reinforcing plate perpendicular to the central axis of the piston cylinder is further arranged on the second damping mechanism.
Further, the first damping plate or/and the pair of opposite edges of the first damping reinforcing plate are respectively provided with a damping flange perpendicular to the first damping plate, and the second damping plate or/and the pair of opposite edges of the second damping reinforcing plate are respectively provided with a damping flange perpendicular to the second damping plate.
Further, the damping ribs on the first damping plate or/and the first damping reinforcing plate are arranged on one side close to the piston head; the second damping plate or/and the damping flange on the second damping reinforcing plate are arranged on one side close to the piston cylinder.
The invention has the following beneficial effects: by arranging the piston damper with the piston head, the piston cylinder and the damping plate, the piston head and the piston cylinder are respectively connected with two measuring rods of the grinding active measurement control instrument, when the two measuring rods clamping the rotary workpiece to be measured with intermittent surface characteristics vibrate, the piston head and the piston cylinder can generate piston movement, and silicone oil in the sealing box body can increase the damping of the piston head entering and exiting the piston cylinder and the resistance of the damping plate to move, so that the vibration amplitude of the measuring rods is greatly limited, a stable measured value can be obtained, and the measurement precision can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of a piston damping structure according to an embodiment of the present invention;
FIG. 2 is a front view of a piston damping structure according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a piston damping structure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an active measuring device for intermittent grinding in an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In one embodiment of the piston damper structure of the intermittent grinding active measuring device of the present application as shown in fig. 1 to 3, the piston damper structure includes a piston damper for being mounted in a sealed box body and connected to a spindle 20, the piston damper includes a first damper mechanism 30 and a second damper mechanism 40, one end of the first damper mechanism 30 may be connected to the spindle 20 through a transmission member, the other end of the first damper mechanism 30 is provided with a piston head 301, the first damper mechanism 30 is further provided with a first damper plate 31 perpendicular to a central axis of the piston head 301, one end of the second damper mechanism 40 may be connected to another spindle 20 through a transmission member, the other end of the second damper mechanism 40 is provided with a piston cylinder 401 engaged with the piston head 31, and the second damper mechanism 40 is further provided with a second damper plate 41 perpendicular to the central axis of the piston cylinder 401; and the sealing box body is also filled with silicone oil, and the piston damper is immersed in the silicone oil. According to the application, through arranging the piston damper with the piston head, the piston cylinder and the damping plate, the piston head and the piston cylinder are respectively connected with the two measuring rods of the grinding active measurement control instrument, when the two measuring rods clamping the rotary workpiece to be measured with intermittent surface characteristics vibrate, the piston head and the piston cylinder respectively connected with the two measuring rods can generate piston movement, the damping plate respectively connected with the two measuring rods can also reciprocate along with the vibration of the measuring rods, the silicon oil in the sealing box body can increase the damping of the piston head entering and exiting the piston cylinder and the resistance of the movement of the damping plate, the vibration amplitude of the measuring rods is greatly limited, and the vibration amplitude of the two measuring rods can be reduced to one tenth to one twentieth of the original vibration amplitude, so that a stable measured value can be obtained, and the measurement precision can be effectively improved. Specifically, in the above embodiment, a proper fit clearance is formed between the piston head and the piston cylinder, the piston head can reciprocate in the piston cylinder, when two measuring rods clamping a rotary workpiece to be measured with intermittent surface features vibrate, the piston head can reciprocate in the piston cylinder, the piston head and the piston cylinder are immersed in silicone oil, and during the movement of the piston head relative to the piston cylinder, the silicone oil enters and exits the piston cylinder through the fit clearance between the piston head and the piston cylinder, so that the damping of the piston head entering and exiting the piston cylinder can be increased, the resistance of the movement of the damping plate can be increased, and the vibration amplitude of the measuring rods can be greatly limited.
In one embodiment of the present application, preferably, a set of opposite sides of the first damping plate 31 are further provided with damping ribs 311 perpendicular to the first damping plate 31, and a set of opposite sides of the second damping plate 41 are further provided with damping ribs 411 perpendicular to the second damping plate 41, so that damping during movement of the damping plate can be increased, and stability during movement of the damping plate can be improved. Preferably, the damping rib 311 on the first damping plate 31 is disposed on a side adjacent to the piston head 301; the damping rib 411 on the second damping plate 41 is provided on the side close to the piston cylinder 401.
In one embodiment of the present application, the first damping mechanism 30 is preferably further provided with a first damping enhancing plate 32 perpendicular to the central axis of the piston head 301, and the second damping mechanism 40 is further provided with a second damping enhancing plate 42 perpendicular to the central axis of the piston cylinder 401, so as to increase the resistance of the piston damper when moving and further reduce the amplitude of the measuring rod. Preferably, the first damping enhancing plate 32 is located between the piston head 301 and the first damping plate 31, and the second damping enhancing plate 42 is located between the piston cylinder 401 and the second damping plate 42. Preferably, in one embodiment of the present application, a through hole 402 is also provided on the side wall of the piston cylinder 401, and the silicone oil can enter and exit the inner cavity of the piston cylinder 401 through the through hole 402.
In one embodiment of the intermittent grinding active measuring device of the present invention as shown in fig. 1 to 4, the intermittent grinding active measuring device includes a box 10, a lever assembly 11 for connecting with a measuring rod 20 is fixedly installed in the box 10, one end of the lever assembly 11 is fixedly connected with the measuring rod 20, the other end of the lever assembly 11 is fixedly connected with a contact of a displacement detection sensor 12, the box 10 is a sealed box, silicone oil is filled in the box 10, a piston damper fixedly connected with the lever assembly 11 is further arranged in the box, the piston damper includes a first damping mechanism 30 and a second damping mechanism 40, one end of the first damping mechanism 30 is fixedly connected with the lever assembly 11, a piston head 301 is arranged at the other end of the first damping mechanism 30, a first damping plate 31 perpendicular to the central axis of the piston head 301 is further arranged on the first damping mechanism 30, a piston cylinder 401 matched with the piston head 301 is arranged at the other end of the second damping mechanism 40, and a second damping plate 41 perpendicular to the central axis of the piston cylinder 401 is further arranged on the second damping mechanism 40. According to the intermittent grinding active measuring device, a piston damper with a piston head, a piston cylinder and a damping plate is arranged, the piston head and the piston cylinder are respectively connected with two measuring rods of a grinding active measuring control instrument, when two measuring rods clamping a rotary workpiece to be measured with intermittent surface characteristics vibrate, the piston head and the piston cylinder respectively connected to the two measuring rods can generate piston movement, the damping plate respectively connected to the two measuring rods can also reciprocate along with the vibration of the measuring rods, the silicon oil in a sealing box body can increase the damping of the piston head entering and exiting the piston cylinder and the resistance of the movement of the damping plate, the vibration amplitude of the measuring rods is greatly limited, a stable measured value can be obtained, and the measuring precision can be effectively improved; one end of a lever assembly in the box body is connected with the measuring rod, the other end of the lever assembly is connected with the displacement detection sensor, the displacement of the measuring rod can be enlarged through the lever assembly to improve the measurement accuracy, and the piston damper fixedly connected with the lever assembly can effectively reduce the amplitude of the measuring rod to obtain a stable measurement value when the measuring rod vibrates, so that the measurement accuracy can be effectively improved.
In one embodiment of the present application, the first damping mechanism 30 is preferably further provided with a first damping enhancing plate 32 perpendicular to the central axis of the piston head 301, and the second damping mechanism 40 is preferably further provided with a second damping enhancing plate 42 perpendicular to the central axis of the piston cylinder 401. Preferably, the first damping plate 31 or/and a group of opposite sides of the first damping reinforcing plate 31 are respectively provided with a damping flange perpendicular to the first damping plate 31, and a group of opposite sides of the second damping plate 41 or/and the second damping reinforcing plate 42 are respectively provided with a damping flange perpendicular to the second damping plate 41, so that damping in the movement process of the damping plate can be increased, and stability in the movement process of the damping plate can be improved.
In one embodiment of the present application, it is preferable that the damping rib on the first damping plate 31 or/and the first damping enhancing plate 32 is provided on a side close to the piston head 301; the damping ribs on the second damping plate 41 and/or the second damping reinforcing plate 42 are arranged on one side close to the piston cylinder 401, so that the resistance of the piston damper during movement can be increased, and the amplitude of the measuring rod can be further reduced. Preferably, in one embodiment of the present application, a through hole 402 is also provided on the side wall of the piston cylinder 401, and the silicone oil can enter and exit the inner cavity of the piston cylinder 401 through the through hole 402.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The piston damping structure of the intermittent grinding active measuring device is characterized by comprising a piston damper which is arranged in a sealing box body and connected with a measuring rod, wherein the piston damper comprises a first damping mechanism and a second damping mechanism, one end of the first damping mechanism can be connected with the measuring rod through a transmission part, a piston head is arranged at the other end of the first damping mechanism, a first damping plate perpendicular to the central axis of the piston head is further arranged on the first damping mechanism, one end of the second damping mechanism can be connected with the other measuring rod through the transmission part, a piston cylinder matched with the piston head is arranged at the other end of the second damping mechanism, and a second damping plate perpendicular to the central axis of the piston cylinder is further arranged on the second damping mechanism; the sealing box body is also filled with silicone oil, and the piston damper is immersed in the silicone oil; the pair of opposite sides of the first damping plate are also respectively provided with a damping flange perpendicular to the first damping plate, and the pair of opposite sides of the second damping plate are also respectively provided with a damping flange perpendicular to the second damping plate; the first damping mechanism is also provided with a first damping reinforcing plate perpendicular to the central axis of the piston head, and the second damping mechanism is also provided with a second damping reinforcing plate perpendicular to the central axis of the piston cylinder.
2. The piston damping structure of claim 1, wherein: the damping flange on the first damping plate is arranged on one side close to the piston head; the damping flange on the second damping plate is arranged on one side close to the piston cylinder.
3. The piston damping structure of claim 1, wherein: the first damping enhancing plate is located between the piston head and the first damping plate, and the second damping enhancing plate is located between the piston cylinder and the second damping plate.
4. The intermittent grinding active measuring device is characterized by comprising a box body, wherein a lever assembly used for being connected with a measuring rod is fixedly arranged in the box body, one end of the lever assembly is fixedly connected with the measuring rod, the other end of the lever is fixedly connected with a contact of a displacement detection sensor, the intermittent grinding active measuring device is characterized in that the box body is a sealed box body, silicone oil is filled in the box body, a piston damper fixedly connected with the lever assembly is further arranged in the box body, the piston damper comprises a first damping mechanism and a second damping mechanism, one end of the first damping mechanism is fixedly connected with the lever assembly, a piston head is arranged at the other end of the first damping mechanism, a first damping plate perpendicular to the central axis of the piston head is further arranged on the first damping mechanism, one end of the second damping mechanism is fixedly connected with the other lever assembly, a piston cylinder matched with the piston head is arranged at the other end of the second damping mechanism, and a second damping plate perpendicular to the central axis of the piston cylinder is further arranged on the second damping mechanism; the pair of opposite sides of the first damping plate are also respectively provided with a damping flange perpendicular to the first damping plate, and the pair of opposite sides of the second damping plate are also respectively provided with a damping flange perpendicular to the second damping plate; the first damping mechanism is also provided with a first damping reinforcing plate perpendicular to the central axis of the piston head, and the second damping mechanism is also provided with a second damping reinforcing plate perpendicular to the central axis of the piston cylinder.
5. The active measurement device of claim 4, wherein the first damping reinforcement plate is located between the piston head and the first damping plate and the second damping reinforcement plate is located between the piston cylinder and the second damping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968499.8A CN110587481B (en) | 2019-10-12 | 2019-10-12 | Intermittent grinding active measuring device and piston damping structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968499.8A CN110587481B (en) | 2019-10-12 | 2019-10-12 | Intermittent grinding active measuring device and piston damping structure thereof |
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| Publication Number | Publication Date |
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| CN110587481A CN110587481A (en) | 2019-12-20 |
| CN110587481B true CN110587481B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910968499.8A Active CN110587481B (en) | 2019-10-12 | 2019-10-12 | Intermittent grinding active measuring device and piston damping structure thereof |
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| CN (1) | CN110587481B (en) |
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| CN210550456U (en) * | 2019-10-12 | 2020-05-19 | 三门峡源美检测仪器有限公司 | Intermittent grinding processing active measurement device and piston damping structure thereof |
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| DE102009002545A1 (en) * | 2009-04-21 | 2010-10-28 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Armature device for a measuring probe for measuring process variables in a process |
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|---|---|---|---|---|
| US6675751B1 (en) * | 2003-03-12 | 2004-01-13 | Ford Global Technologies, Inc. | Two-mass bi-directional hydraulic damper |
| JP2006307982A (en) * | 2005-04-28 | 2006-11-09 | Honda Motor Co Ltd | Variable damping force damper |
| CN201428770Y (en) * | 2009-06-08 | 2010-03-24 | 湖南立德尔科技发展有限公司 | Viscous damper for ultra-high voltage transmission tower wind vibration control system |
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| CN210550456U (en) * | 2019-10-12 | 2020-05-19 | 三门峡源美检测仪器有限公司 | Intermittent grinding processing active measurement device and piston damping structure thereof |
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| Publication number | Publication date |
|---|---|
| CN110587481A (en) | 2019-12-20 |
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