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CN109470442B - Vibration locking device and vibration table - Google Patents

Vibration locking device and vibration table Download PDF

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Publication number
CN109470442B
CN109470442B CN201811629733.6A CN201811629733A CN109470442B CN 109470442 B CN109470442 B CN 109470442B CN 201811629733 A CN201811629733 A CN 201811629733A CN 109470442 B CN109470442 B CN 109470442B
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China
Prior art keywords
locking
vibration
guide
control
ring
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CN201811629733.6A
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Chinese (zh)
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CN109470442A (en
Inventor
高峰
杨学山
刘华泰
杨巧玉
王雷
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Institute of Engineering Mechanics China Earthquake Administration
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Institute of Engineering Mechanics China Earthquake Administration
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vibration Prevention Devices (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

The invention provides a vibration locking device and a vibration table, and belongs to the field of vibration simulation devices. The vibration locking device includes: the locking disc is provided with a containing cavity and a control channel, the locking column penetrates through the control channel, the locking end is positioned in the containing cavity, and the control end extends out of the control channel; the locking ring is provided with a guide piece, a control end on the locking column is provided with a sliding piece, the sliding piece is in sliding connection with the guide piece, and the sliding piece slides along the guiding direction of the guide piece so as to control the locking column to be close to or far from the accommodating cavity; when the plurality of locking posts are adjacent to the receiving cavity, the plurality of locking ends are engaged with the vibratory rod to inhibit radial movement of the vibratory rod. According to the vibration locking device and the vibration table, the locking rings are used for controlling the locking columns to be close to the accommodating cavity, so that the locking ends are attached to the vibration rod, and the vibration rod can be prevented from moving along the radial direction of the vibration rod.

Description

Vibration locking device and vibration table
Technical Field
The invention relates to the field of vibration simulation devices, in particular to a vibration locking device and a vibration table.
Background
The vibration exciter on the vibration exciter needs to be fixedly connected with the vibration platform, when the vibration exciter needs to work, the vibration exciting connecting rod on the vibration exciter is fixedly connected with the vibration platform, when the vibration exciter does not need to work, in order to ensure the safety of the vibration exciting connecting rod on the vibration exciter in the transportation and other scenes, the vibration exciting connecting rod on the vibration exciter needs to be separated from the vibration platform so as to prevent the vibration exciting connecting rod from being damaged when vibration occurs, a locking device needs to be used at the moment, the vibration exciting connecting rod is separated from the locking device when the vibration exciter does not need to be used, and the vibration exciting connecting rod is fixedly connected with the locking device when the vibration exciter needs to be used.
In the prior art, when not needing to use, the excitation connecting rod on the vibration exciter is separated from the locking device, at this moment, the excitation connecting rod is still positioned in the inner part of the accommodating cavity on the locking device, and when larger vibration occurs, the excitation connecting rod can strike the side wall of the accommodating cavity, so that the excitation connecting rod can be damaged, and the protection requirement on the excitation connecting rod is further improved.
Disclosure of Invention
The invention provides a vibration locking device, which aims to solve the problems of the vibration locking device in the prior art;
the invention also provides a vibrating table, which aims to solve the problems of the vibrating table in the prior art.
The invention is realized in the following way:
a vibration locking device for locking a vibrating rod, comprising:
the locking disc is provided with an accommodating cavity and a control channel, and the accommodating cavity is used for accommodating the vibrating rod;
the locking column is provided with a locking end and a control end, the locking column penetrates through the control channel, the locking column is in clearance fit with the control channel, the locking end is positioned in the accommodating cavity, and the control end extends out of the control channel;
the locking ring is provided with a guide piece, the control end of the locking column is provided with a sliding piece, the sliding piece is connected with the guide piece in a sliding mode, and the sliding piece slides along the guiding direction of the guide piece so as to control the locking column to be close to or far away from the accommodating cavity;
the control channels are arranged in a plurality, and the control channels are annularly distributed on the locking disc at intervals;
the locking columns are arranged in a plurality, and the locking columns correspond to the control channels one by one;
when a plurality of locking posts are close to the accommodating cavity, the locking ends are attached to the vibrating rod to prevent the vibrating rod from moving along the radial direction of the vibrating rod.
In a preferred embodiment of the invention, the locking ring is annular, the locking disc is disc-shaped, the locking ring is sleeved on the locking ring, the locking ring is rotationally connected with the locking disc, and the connecting shafts of the locking ring and the locking disc are collinear with the axis of the locking disc.
In a preferred embodiment of the invention, the guide is provided in the form of a groove, the slide is located inside the guide, a clearance fit is provided between the slide and the guide, and the distance between one end of the guide and the rotation axis of the locking ring is greater than the distance between the other end of the guide and the rotation axis of the locking ring.
In a preferred embodiment of the invention, the guide is provided in an arc shape with the arc-shaped opening facing in a direction approaching the receiving chamber.
In a preferred embodiment of the present invention, the sliding member is rotatably connected to the locking post, the sliding member is cylindrical, the rotation axis of the sliding member and the center line of the sliding member are collinear, and the side wall of the sliding member is attached to the side wall of the guiding member.
In a preferred embodiment of the present invention, the locking post is provided with a limiting portion for limiting the locking post to pass through the control channel in a direction from the control end to the locking end.
In a preferred embodiment of the present invention, three control channels are provided, the axes of the three control channels are located in the same plane, and the axes of the three control channels are distributed in a ring shape at uniform intervals.
In a preferred embodiment of the present invention, the locking end of the locking post is configured as an arc, and the arc opening faces away from the control end.
In a preferred embodiment of the present invention, the locking device further includes a limiting pin, a first limiting hole is provided on the locking disc, a second limiting hole is provided on the locking ring, and the limiting pin is used for passing through the first limiting hole and the second limiting hole to limit the relative rotation between the locking disc and the locking ring.
The vibrating table comprises a vibrating table body and the vibrating locking device, wherein the vibrating table body is provided with a vibrating rod, and the vibrating rod penetrates through the accommodating cavity of the vibrating locking device.
The beneficial effects of the invention are as follows:
according to the vibration locking device obtained through the design, when the vibration locking device is used, the control end on the locking column and the guide piece can slide through controlling the locking ring, so that relative displacement can be generated between the locking column and the control channel, the locking column can be controlled to be close to or far away from the accommodating cavity, when the vibration rod is required to be fixed, the locking columns are controlled to be close to the accommodating cavity through controlling the locking ring, the locking ends are attached to the vibration rod, the vibration rod can be prevented from moving along the radial direction, and when the vibration rod is not required to be fixed, the locking ring is only required to be readjusted, and the locking column is far away from the accommodating cavity, so that separation between the locking column and the vibration rod can be realized.
According to the vibrating table obtained through the design, when the vibrating table is not needed, the vibrating rod on the vibrating table body can be fixed by utilizing the vibrating locking device, and when the vibrating table is needed, the vibrating rod can restore the free vibrating state by only adjusting the vibrating locking device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a vibration locking apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first view of a locking ring in a vibration locking apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a second view of a locking ring in a vibration locking apparatus according to an embodiment of the present invention;
fig. 4 is a schematic view of a first view of a locking disc in a vibration locking apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a second view of a locking disc in a vibration locking apparatus according to an embodiment of the present invention.
Icon: 100-vibration locking device; 110-a locking ring; 111-guides; 120-locking the disc; 121-a receiving cavity; 122-control channel; 130-locking the post; 131-locking end; 132—control terminal; 133-slide.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Example 1
The present embodiment provides a vibration locking apparatus 100, referring to fig. 1, 2, 3, 4 and 5, the vibration locking apparatus 100 includes:
the locking disc 120, there are holding chambers 121 and control channels 122 on the locking disc 120, the holding chamber 121 is used for holding the oscillating bar;
the locking column 130 is provided with a locking end 131 and a control end 132, the locking column 130 passes through the control channel 122, the locking column 130 is in clearance fit with the control channel 122, the locking end 131 is positioned in the accommodating cavity 121, and the control end 132 extends out of the control channel 122;
the locking ring 110, the locking ring 110 has a guide 111, a control end 132 of the locking post 130 is provided with a sliding part 133, the sliding part 133 is slidably connected with the guide 111, and the sliding part 133 slides along the guiding direction of the guide 111 to control the locking post 130 to be close to or far from the accommodating cavity 121;
the control channels 122 are arranged in a plurality, and the control channels 122 are annularly distributed at intervals on the locking disc 120;
the locking columns 130 are arranged in a plurality, and the locking columns 130 are in one-to-one correspondence with the control channels 122;
when the plurality of locking posts 130 are adjacent to the receiving cavity 121, the plurality of locking ends 131 engage the vibratory rod to prevent the vibratory rod from moving in a radial direction thereof.
Through control locking ring 110, can make to take place to slide between control end 132 and the guide 111 on the locking post 130, thereby can make to take place relative displacement between locking post 130 and the control channel 122, thereby can control locking post 130 be close to or keep away from holding chamber 121, when needs are fixed to the vibrating rod, only need all be close to holding chamber 121 through locking ring 110 control a plurality of locking posts 130, make a plurality of locking ends 131 all laminate with the vibrating rod, thereby can prevent the vibrating rod along its radial motion can, when need not fix the vibrating rod, only need readjust locking ring 110, make locking post 130 keep away from holding chamber 121 and can realize the separation between locking post 130 and the vibrating rod.
Since the slider moves along the guiding direction of the guide 111, a relative change in position between the guide 111 and the slider 133 can be achieved by controlling the relative position between the locking ring 110 and the locking disk 120, so that the slider 133 can be moved along the guiding direction of the guide 111 to drive the locking post 130 to approach or separate from the receiving chamber 121.
Alternatively, in the present embodiment, the locking ring 110 is provided in an annular shape, the locking plate 120 is provided in a disc shape, the locking ring 110 is sleeved on the locking ring 110, the locking ring 110 and the locking plate 120 are rotatably connected, and the connecting shafts of the locking ring 110 and the locking plate 120 and the axis of the locking plate 120 are collinear.
The annular locking ring 110 and the locking plate 120 can rotate relatively, so that the position between the locking plate 120 and the locking ring 110 can be changed conveniently, and the position between the guide 111 and the sliding block can be changed conveniently.
Alternatively, in the present embodiment, the guide 111 is provided in a groove shape, the slider 133 is located inside the guide 111, and a clearance fit is provided between the slider 133 and the guide 111, and a distance between one end of the guide 111 and the rotation axis of the locking ring 110 is greater than a distance between the other end of the guide 111 and the rotation axis of the locking ring 110.
The sliding member 133 may slide inside the guide 111 provided in a groove shape, and the distance of the sliding member 133 from the receiving chamber 121 may vary during the sliding, so that the control of the distance of the locking post 130 from the receiving chamber 121 may be achieved.
Alternatively, in the present embodiment, the guide 111 is provided in an arc shape with an opening of the arc shape directed in a direction approaching the receiving chamber 121.
The guide 111 provided in an arc shape may reduce resistance when the slider 133 slides therein, improving smoothness of the locking ring 110 during operation.
Alternatively, in the present embodiment, the sliding member 133 is rotatably connected to the locking post 130, the sliding member 133 is configured in a cylindrical shape, and the rotation axis of the sliding member 133 and the center thereof are collinear, and the side wall of the sliding member 133 is fitted to the side wall of the guide member 111.
The sliding member 133 provided in a cylindrical shape rotates when relatively sliding with the guide member 111, so that the resistance of the sliding member 133 in the sliding process can be effectively reduced.
Optionally, in this embodiment, a limiting portion is disposed on the locking post 130, where the limiting portion is used to limit the locking post 130 from passing through the control channel 122 along a direction from the control end 132 to the locking end 131.
The presence of the stopper prevents the locking post 130 from falling into the interior of the receiving cavity 121.
Alternatively, in the present embodiment, three control channels 122 are provided, the axes of the three control channels 122 are located in the same plane, and the axes of the three control channels 122 are distributed at equal intervals in a ring shape.
The locking posts 130 in the three control channels 122 can firmly secure the vibratory rod.
Of course, in other embodiments, two, four or other numbers of control channels 122 may be used, and only three locking posts 130 within the control channels 122 may be required to securely fix the vibrating rod.
Alternatively, in the present embodiment, the locking end 131 of the locking post 130 is configured as an arc, and the opening of the arc is directed away from the control end 132.
The locking end 131 which is arc-shaped can be well attached to the vibrating rod, so that the fixing capacity of the vibrating rod is improved.
Optionally, in this embodiment, the locking disc 120 further includes a limiting pin, a first limiting hole is provided on the locking disc 120, a second limiting hole is provided on the locking ring 110, and the limiting pin is used for passing through the first limiting hole and the second limiting hole to limit the relative rotation between the locking disc 120 and the locking ring 110.
The stopper pin can realize control of rotation between the locking plate 120 and the locking ring 110, thereby fixing the relative position between the locking plate 120 and the locking ring 110.
The working principle of the vibration locking device 100 provided in this embodiment is that, when working, the locking ring 110 is controlled, the control end 132 on the locking post 130 and the guide piece 111 slide, so that the locking post 130 and the control channel 122 can relatively displace, and the locking post 130 can be controlled to be close to or far away from the accommodating cavity 121, when the vibration rod needs to be fixed, the locking posts 130 are controlled to be close to the accommodating cavity 121 only by the locking ring 110, so that the locking ends 131 are attached to the vibration rod, and the vibration rod can be prevented from moving along the radial direction thereof, and when the vibration rod does not need to be fixed, the locking ring 110 is only required to be readjusted, so that the locking post 130 is far away from the accommodating cavity 121, and the separation between the locking post 130 and the vibration rod can be realized.
Example two
Referring to fig. 4, a vibrating table according to this embodiment includes a vibrating table body and a vibration locking device 100 according to the first embodiment, wherein the vibrating table body has a vibrating rod, and the vibrating rod passes through a receiving cavity 121 on the vibration locking device 100.
A vibrating rod is a device that transmits vibrations and is a structure commonly known in the art.
The working principle of the vibrating table provided by the embodiment is that the vibrating rod on the vibrating table body can be fixed by using the vibrating locking device 100 under the condition that the vibrating table is not required to be used when the vibrating table is in work, and the vibrating rod can recover the free vibrating state only by adjusting the vibrating locking device 100 when the vibrating table is required to be used.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A vibration locking device for locking a vibrating rod, comprising:
the locking disc is provided with an accommodating cavity and a control channel, and the accommodating cavity is used for accommodating the vibrating rod;
the locking column is provided with a locking end and a control end, the locking column penetrates through the control channel, the locking column is in clearance fit with the control channel, the locking end is positioned in the accommodating cavity, and the control end extends out of the control channel;
the locking ring is provided with a guide piece, the control end of the locking column is provided with a sliding piece, the sliding piece is connected with the guide piece in a sliding mode, and the sliding piece slides along the guiding direction of the guide piece so as to control the locking column to be close to or far away from the accommodating cavity;
the control channels are arranged in a plurality, and the control channels are annularly distributed on the locking disc at intervals;
the locking columns are arranged in a plurality, and the locking columns correspond to the control channels one by one;
when the locking posts are close to the accommodating cavity, the locking ends are attached to the vibrating rod to prevent the vibrating rod from moving along the radial direction of the vibrating rod;
the locking ring is rotationally connected with the locking disc, and the sliding piece is rotationally connected with the locking column.
2. The vibration lock device according to claim 1, wherein the locking ring is provided in a ring shape, the locking plate is provided in a disc shape, the locking ring is sleeved on the locking ring, and the connecting shafts of the locking ring and the locking plate and the axis of the locking plate are collinear.
3. A vibratory locking device according to claim 2, wherein the guide is configured as a slot, the slide being positioned within the guide, the slide being in clearance fit with the guide, the distance between one end of the guide and the axis of rotation of the locking ring being greater than the distance between the other end of the guide and the axis of rotation of the locking ring.
4. A vibratory locking device according to claim 3, wherein the guide is arcuate with the arcuate opening facing in a direction proximate the receiving cavity.
5. The vibration lock device according to claim 1, wherein the slider is provided in a cylindrical shape, and a rotation axis of the slider and a center line thereof are collinear, and a side wall of the slider is fitted to a side wall of the guide.
6. The vibration lock device according to claim 1, wherein a stopper portion is provided on the lock post for restricting the lock post from passing through the control passage in a direction from the control end to the lock end.
7. The vibration lock device according to claim 1, wherein three control channels are provided, the axes of the three control channels are located in the same plane, and the axes of the three control channels are distributed at equal intervals in a ring shape.
8. The vibratory locking device of claim 1, wherein the locking end on the locking post is configured as an arc with the arc opening facing away from the control end.
9. The vibratory locking device of claim 1, further comprising a limiting pin, wherein the locking plate is provided with a first limiting aperture and the locking ring is provided with a second limiting aperture, the limiting pin being configured to pass through the first and second limiting apertures to limit relative rotation between the locking plate and the locking ring.
10. A vibrating table comprising a vibrating table body and a vibration locking device according to any one of claims 1 to 9, the vibrating table body having a vibrating rod thereon, the vibrating rod passing through the receiving cavity on the vibration locking device.
CN201811629733.6A 2018-12-28 2018-12-28 Vibration locking device and vibration table Active CN109470442B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN109470442A CN109470442A (en) 2019-03-15
CN109470442B true CN109470442B (en) 2023-11-21

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2239470A2 (en) * 2009-04-09 2010-10-13 Neumeister Hydraulik GmbH Cylinder piston unit with locking means and method for locking and unlocking the same
CN102145333A (en) * 2010-12-01 2011-08-10 黎凡七 Double-vibration exciter synchronous phase locking method and device
CN104180842A (en) * 2014-09-02 2014-12-03 浙江大学 Broadband large-displacement angular vibration table
CN105222972A (en) * 2015-10-19 2016-01-06 苏州苏试试验仪器股份有限公司 Removable syndeton between shaking table susceptor body and ground
CN205097210U (en) * 2015-11-16 2016-03-23 哈尔滨泓鑫数控机电工程有限公司 Robot instrument quick change device
US9696236B1 (en) * 2014-11-12 2017-07-04 Keysight Technologies, Inc. Testing device including pedestal, vibratory platform and locking mechanism for clamping the pedestal to the platform, and test equipment comprising the same
CN207263412U (en) * 2017-10-18 2018-04-20 南京苏试广博环境可靠性实验室有限公司 A kind of Novel vibration table
CN108706753A (en) * 2018-04-12 2018-10-26 苏州新众禹环境科技有限公司 A kind of vibrational system of purifier
CN208046427U (en) * 2018-02-09 2018-11-02 江西波星实业集团有限公司 One kind being installed on transmission shaft strong weakening current vortex retarder
CN209230903U (en) * 2018-12-28 2019-08-09 中国地震局工程力学研究所 Vibrating arm locking device and shake table

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2239470A2 (en) * 2009-04-09 2010-10-13 Neumeister Hydraulik GmbH Cylinder piston unit with locking means and method for locking and unlocking the same
CN102145333A (en) * 2010-12-01 2011-08-10 黎凡七 Double-vibration exciter synchronous phase locking method and device
CN104180842A (en) * 2014-09-02 2014-12-03 浙江大学 Broadband large-displacement angular vibration table
US9696236B1 (en) * 2014-11-12 2017-07-04 Keysight Technologies, Inc. Testing device including pedestal, vibratory platform and locking mechanism for clamping the pedestal to the platform, and test equipment comprising the same
CN105222972A (en) * 2015-10-19 2016-01-06 苏州苏试试验仪器股份有限公司 Removable syndeton between shaking table susceptor body and ground
CN205097210U (en) * 2015-11-16 2016-03-23 哈尔滨泓鑫数控机电工程有限公司 Robot instrument quick change device
CN207263412U (en) * 2017-10-18 2018-04-20 南京苏试广博环境可靠性实验室有限公司 A kind of Novel vibration table
CN208046427U (en) * 2018-02-09 2018-11-02 江西波星实业集团有限公司 One kind being installed on transmission shaft strong weakening current vortex retarder
CN108706753A (en) * 2018-04-12 2018-10-26 苏州新众禹环境科技有限公司 A kind of vibrational system of purifier
CN209230903U (en) * 2018-12-28 2019-08-09 中国地震局工程力学研究所 Vibrating arm locking device and shake table

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
华瑞霞,朱晓民.双向同动液压振动台的研制.液压与气动.1986,(第04期),正文第5-7页. *

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