CN111306246B - Anti-pulling shock insulation support capable of achieving grading multi-section control effect - Google Patents
Anti-pulling shock insulation support capable of achieving grading multi-section control effect Download PDFInfo
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- CN111306246B CN111306246B CN202010137281.0A CN202010137281A CN111306246B CN 111306246 B CN111306246 B CN 111306246B CN 202010137281 A CN202010137281 A CN 202010137281A CN 111306246 B CN111306246 B CN 111306246B
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- sleeve
- platform
- sleeved
- spring
- sliding rail
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
An anti-pulling shock insulation support capable of achieving a grading multi-section control effect belongs to the technical field of equipment shock insulation. The problem of in the earthquake ceramic column type electrical equipment produce destruction, seriously influence electric power system operation to and the unable multistage control of realizing of current seismic isolation device in grades is solved. The technical points are as follows: the end parts of the lower sliding rails are fixed on the ground, each lower sliding rail is slidably mounted with the lower parts of the two connecting sliding sleeves, and a first third-level spring is sleeved on the end parts of the lower sliding rails; the upper slide rail and the pair of lower slide rails are perpendicular to each other, the upper slide rail is fixedly connected with the platform, the upper part of the connecting slide sleeve is sleeved on the upper slide rail, the second third-level spring is sleeved at the end part of the upper slide rail, the second-level spring is sleeved at the middle part of the upper slide rail, and the lead core rubber support is fixedly installed between the ground and the platform. The invention is especially suitable for protecting high and thin equipment in earthquake and preventing damage.
Description
Technical Field
The invention relates to a shock insulation support, in particular to an anti-pulling shock insulation support capable of achieving a grading multi-section control effect, and belongs to the technical field of equipment shock resistance and shock insulation.
Background
Earthquake disasters are sudden and destructive and seriously threaten the safety of human life and property. The porcelain column type electrical equipment is widely applied to an electric power system, along with the development of the power industry, the grade of the power transmission and transformation equipment is higher and higher, the high-voltage electrical equipment, particularly the ultrahigh-voltage direct-current power transmission and transformation equipment, is higher and higher in height, fine and flexible, higher and higher in quality, and higher in requirement on the anti-seismic performance of the high-voltage electrical equipment. The shock damage of the knob insulator type electrical equipment in the past strong earthquake at home and abroad is very serious, the operation of an electric power system is seriously influenced, and the normal work of the knob insulator type electrical equipment under the action of the earthquake is ensured, so that the safety operation of the electric power system is guaranteed.
At present, a good measure for enhancing the shock resistance of the porcelain column type electrical equipment is lacked. Two features of the knob-type electrical device contribute to this phenomenon. First, the requirement for the insulating function of the equipment makes many shock absorbing means widely used in the civil engineering field unusable for knob insulator type electrical equipment. Secondly, there is the wire between the equipment and leads to linking, and this makes traditional shock insulation technique often inconvenient application because shock insulation probably leads to the relative displacement increase between adjacent equipment under some circumstances for the wire tensioning leads to equipment to destroy.
The invention aims to provide an anti-pulling shock isolation device capable of realizing a grading multistage control effect, which is particularly suitable for thin and high equipment, reduces the seismic force applied to the equipment during seismic action and protects the equipment from being damaged.
Disclosure of Invention
The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.
In view of the above, the invention provides an anti-pulling vibration isolation support capable of realizing a grading multi-section control effect, so as to at least solve the problems that in an earthquake, a porcelain column type electrical device is damaged and the operation of an electric power system is seriously influenced, and the existing vibration isolation device cannot realize grading multi-section control.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-pulling shock insulation support capable of realizing a grading multistage control effect comprises a pair of lower slide rails, a connecting slide sleeve, a platform, a lead core rubber support, a first third-stage spring, a first second-stage spring, a second third-stage spring, a second-stage spring and a pair of upper slide rails;
the end parts of the pair of lower sliding rails are fixed on the ground, each lower sliding rail is slidably mounted with the lower parts of the two connecting sliding sleeves, the first third-stage spring is sleeved on the end part of the lower sliding rail and is fixedly connected with the end part, and the first second-stage spring is sleeved in the middle of the lower sliding rail and is positioned between the two connecting sliding sleeves;
the upper slide rail and the lower slide rail are perpendicular to each other, a platform is arranged between the upper slide rails, the upper slide rails are fixedly connected with the platform, the upper parts of the connecting slide sleeves are sleeved on the upper slide rails, the second third-stage springs are sleeved on the end parts of the upper slide rails and are fixedly connected with the end parts, and the second-stage springs are sleeved in the middle parts of the upper slide rails and are positioned between the two connecting slide sleeves;
the lead core rubber support is fixedly arranged between the ground and the platform.
Further: the lead core rubber support is arranged at the central position of the platform. So set up, the structure is more stable, utilizes the vertical bearing capacity of lead core rubber support, reduces the vertical deformation of device.
Further: the end parts of the pair of lower sliding rails are fixed on the ground through sliding rail supports. So set up, fix the support on ground.
Further: the end part of the pair of upper slide rails is fixedly connected with the platform through the slide rail fixing seat. So set up, be in the same place upper portion platform and shock insulation support are fixed.
Further: the connecting sliding sleeve comprises an upper sleeve, a lower sleeve and a connecting part used for connecting the upper sleeve and the lower sleeve, the axis of the upper sleeve is perpendicular to the axis of the lower sleeve, the lower sleeve is sleeved on the lower sliding rail, and the upper sleeve is sleeved on the upper sliding rail. The arrangement is such that the seismic isolation device can move in both horizontal directions and the anti-overturning capability of the device can be ensured.
Further: linear bearings are embedded in the upper sleeve and the lower sleeve. So set up, be convenient for slide, reduce sliding friction.
Further: the center positions of the lower sliding rail and the upper sliding rail are provided with annular limiting plates, the first secondary spring and the second secondary spring are both two springs, and two adjacent ends of the first secondary spring and the second secondary spring are fixed on the annular limiting plates. The annular limiting plate is fixed with the sliding rail and is a part of the sliding rail, one end of the spring is connected with the sliding rail, the other end of the spring is connected with the sleeve, the sliding rail is not completely free and moves under the control of the spring, and the shock insulation period of the device can be adjusted by adjusting the rigidity of the spring.
Further: the lower slide rail and the upper slide rail are both made of circular steel tubes. Ensure the tight connection between the upper and lower slide rails and the sleeve and ensure the anti-overturning capability of the device.
The invention achieves the following effects:
the invention realizes the hierarchical multi-section control effect, when the local vibration is small, the horizontal moving amplitude of the platform is small, and at the moment, the restoring force is provided mainly by the shearing deformation of the lead core rubber support. The secondary and tertiary springs do not function.
When the earthquake power increases, platform horizontal migration amplitude increases, and when the secondary spring touch the connecting sliding sleeve, the secondary spring begins to play a role.
When the earthquake power continues to increase, the horizontal movement amplitude of the platform is further increased, and when the three-stage spring touches the connecting sliding sleeve, the three-stage spring starts to play a role. Has the following effects:
(1) different control effects of small earthquake, medium earthquake and large earthquake can be realized according to the magnitude of the earthquake. When local vibrations are less, the displacement of platform is less, and only middle rubber support provides the restoring force, and restoring force is less, can pay close attention to the shock insulation effect more this moment.
(2) When the local vibration is increased, the displacement of the vibration isolation layer can be increased, and at the moment, the rigidity can be properly increased through the secondary spring, so that the excessive increase of the displacement is avoided.
(3) When an earthquake happens rarely, the three-stage spring is designed for further protection, and the device is prevented from suddenly reaching the maximum displacement and colliding.
(4) The device resists pulling and overturning, is particularly suitable for thin and high equipment, and the root of the thin and high equipment is easy to be pulled when the thin and high equipment acts on an earthquake.
(5) This device can bear the great equipment of gravity, and the rubber support that the centre set up except that can provide horizontal restoring force through the shear deformation of horizontal direction, can also provide great vertical bearing capacity, and when avoiding equipment to be heavier, whole device produced obvious vertical deformation.
Drawings
FIG. 1 is an axonometric view of an anti-pulling seismic isolation bearing capable of realizing hierarchical multi-stage control effect according to the invention;
FIG. 2 is a partial isometric view of an anti-pulling seismic isolation bearing capable of achieving a hierarchical multi-stage control effect according to the invention;
FIG. 3 is a front view of an anti-pulling seismic isolation bearing capable of realizing a hierarchical multi-stage control effect according to the invention;
FIG. 4 is a top view of an anti-pulling seismic isolation bearing capable of realizing a hierarchical multi-stage control effect according to the present invention;
FIG. 5 is an exploded view of an anti-pulling seismic isolation bearing capable of achieving a hierarchical multi-stage control effect according to the invention;
FIG. 6 is an overall view of the connecting sleeve of the present invention;
in the figure: 1-lower slide rail; 2-connecting the sliding sleeve; 3-a platform; 4-lead rubber support; 5-a slide rail support; 6-a first tertiary spring; 7-a first secondary spring; 8-a second tertiary spring; 9-a second secondary spring; 10-upper slide rail; 11-a slide rail fixing seat; 12-annular limiting plate; 21-an upper sleeve; 22-a lower sleeve; 23-a connecting part; a-ground.
Detailed Description
Exemplary embodiments of the present invention will be described hereinafter with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in the specification. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "inside and outside" in the present invention means that the direction pointing to the inside of the device is inside and vice versa with respect to the device itself, and is not a specific limitation of the mechanism of the apparatus of the present invention.
The meaning of "left and right" in the present invention means that when the reader is facing the drawings, the left side of the reader is left, and the right side of the reader is right, and is not a specific limitation on the mechanism of the apparatus of the present invention.
The term "connected" as used herein may mean either a direct connection between the components or an indirect connection between the components via other components.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the device structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted. Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
Example (b): as shown in fig. 1 to 6, the anti-pulling seismic isolation bearing capable of realizing the staged multi-stage control effect in this embodiment includes a pair of lower slide rails 1, a connecting slide sleeve 2, a platform 3, a lead rubber bearing 4, a slide rail bearing 5, a first tertiary spring 6, a first secondary spring 7, a second tertiary spring 8, a second secondary spring 9, a pair of upper slide rails 10, a fixing seat 11, and an annular limiting plate 12; the connecting sliding sleeve 2 comprises an upper sleeve 21, a lower sleeve 22 and a connecting part 23 for connecting the upper sleeve 21 and the lower sleeve 22, the axis of the upper sleeve 21 is vertical to the axis of the lower sleeve 22, the lower sleeve 22 is sleeved on the lower sliding rail 1, the upper sleeve 21 is sleeved on the upper sliding rail 10, and linear bearings are embedded in the upper sleeve 21 and the lower sleeve 22; the end parts of the pair of lower sliding rails 1 are fixed on the ground A through sliding rail supports 5, each lower sliding rail 1 is slidably mounted with the two connecting sliding sleeves 2, the first tertiary spring 6 is sleeved at the end part of the lower sliding rail 1 and is fixedly connected with the end part, and the first secondary spring 7 is sleeved at the middle part of the lower sliding rail 1 and is positioned between the two connecting sliding sleeves 2; the pair of upper slide rails 10 and the pair of lower slide rails 1 are arranged perpendicular to each other, the platform 3 is arranged between the upper slide rails 10, the end parts of the pair of upper slide rails 10 are fixedly connected with the platform 3 through slide rail fixing seats 11, the connecting slide sleeves 2 are slidably sleeved on the upper slide rails 10, the second third-stage springs 8 are sleeved on the end parts of the upper slide rails 10 and are fixedly connected with the end parts, and the second-stage springs 9 are sleeved in the middle parts of the upper slide rails 10 and are positioned between the two connecting slide sleeves 2; the lead core rubber support 4 is fixedly arranged between the ground and the platform 3, and the lead core rubber support 4 is arranged in the center of the platform 3; the central positions of the lower sliding rail 1 and the upper sliding rail 10 are provided with annular limiting plates 12, the first secondary spring 7 and the second secondary spring 9 are both two springs, and the two adjacent ends of the springs are fixed on the annular limiting plates 12.
More specifically: the lower slide rail 1 and the upper slide rail 10 are both made of round steel tubes.
It is to be emphasized that: firstly, in this embodiment, the platform 3, a pair of upper slide rails 10 and the fixing base 11 as a whole can slide along the direction of the upper slide rails 10 relative to the connecting slide sleeve 2. Meanwhile, the connecting sliding sleeve 2 can slide along the direction of the lower sliding rail 1. Therefore, the whole body can slide in any horizontal direction. The equipment to be protected is fixed to the top platform 3. The embodiment is suitable for shock insulation of high and thin equipment, and aims to reduce the seismic force applied to the equipment during seismic action and protect the equipment from being damaged.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An anti-pulling shock insulation support capable of achieving a grading multi-section control effect is characterized by comprising a pair of lower sliding rails (1), a connecting sliding sleeve (2), a platform (3), a lead rubber support (4), a first third-stage spring (6), a first second-stage spring (7), a second third-stage spring (8), a second-stage spring (9) and a pair of upper sliding rails (10);
the end parts of the pair of lower sliding rails (1) are fixed on the ground, each lower sliding rail (1) is slidably mounted with the lower parts of the two connecting sliding sleeves (2), the first third-level spring (6) is sleeved on the end part of the lower sliding rail (1) and fixedly connected with the end part, and the first second-level spring (7) is sleeved in the middle part of the lower sliding rail (1) and positioned between the two connecting sliding sleeves (2);
the pair of upper sliding rails (10) and the pair of lower sliding rails (1) are arranged perpendicular to each other, the platform (3) is arranged between the upper sliding rails (10), the upper sliding rails (10) are fixedly connected with the platform (3), the upper parts of the connecting sliding sleeves (2) are sleeved on the upper sliding rails (10), the second three-stage springs (8) are sleeved on the end parts of the upper sliding rails (10) and are fixedly connected with the end parts, and the second two-stage springs (9) are sleeved in the middle parts of the upper sliding rails (10) and are positioned between the two connecting sliding sleeves (2);
the lead core rubber support (4) is fixedly arranged between the ground and the platform (3);
the connecting sliding sleeve (2) comprises an upper sleeve (21), a lower sleeve (22) and a connecting part (23) for connecting the upper sleeve (21) and the lower sleeve (22), the axis of the upper sleeve (21) is perpendicular to the axis of the lower sleeve (22), the lower sleeve (22) is sleeved on the lower sliding rail (1), and the upper sleeve (21) is sleeved on the upper sliding rail (10);
the central positions of the lower sliding rail (1) and the upper sliding rail (10) are provided with annular limiting plates (12), the first secondary spring (7) and the second secondary spring (9) are both two-section springs, and the adjacent two ends of the two-section springs are fixed on the annular limiting plates (12);
when the local vibration is small, the horizontal movement amplitude of the platform is small, and at the moment, the restoring force is provided by the shearing deformation of the lead core rubber support; the secondary spring and the tertiary spring do not play a role;
when the earthquake force is increased, the horizontal movement amplitude of the platform is increased, and when the secondary spring touches the connecting sliding sleeve, the secondary spring starts to play a role;
when the earthquake power continues to increase, the horizontal movement amplitude of the platform is further increased, and when the three-stage spring touches the connecting sliding sleeve, the three-stage spring starts to play a role.
2. The anti-pulling seismic isolation bearing capable of realizing the graded multi-section control effect according to claim 1, which is characterized in that: the lead core rubber support (4) is arranged at the central position of the platform (3).
3. The anti-pulling seismic isolation bearing capable of realizing the graded multi-section control effect according to claim 2, which is characterized in that: the end parts of the pair of lower sliding rails (1) are fixed on the ground through sliding rail supports (5).
4. The anti-pulling seismic isolation bearing capable of realizing the graded multi-section control effect according to claim 3, which is characterized in that: the end part of the pair of upper slide rails (10) is fixedly connected with the platform (3) through a slide rail fixing seat (11).
5. The anti-pulling seismic isolation bearing capable of realizing the graded multi-section control effect according to claim 1, which is characterized in that: linear bearings are embedded in the upper sleeve (21) and the lower sleeve (22).
6. The anti-pulling seismic isolation bearing capable of realizing the graded multi-section control effect according to claim 1, which is characterized in that: the lower sliding rail (1) and the upper sliding rail (10) are both made of round steel tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137281.0A CN111306246B (en) | 2020-03-02 | 2020-03-02 | Anti-pulling shock insulation support capable of achieving grading multi-section control effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137281.0A CN111306246B (en) | 2020-03-02 | 2020-03-02 | Anti-pulling shock insulation support capable of achieving grading multi-section control effect |
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| CN111306246A CN111306246A (en) | 2020-06-19 |
| CN111306246B true CN111306246B (en) | 2021-04-27 |
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| EP0398483A2 (en) * | 1989-04-28 | 1990-11-22 | Leonard Studio Equipment Inc. | Shock and vibration isolator |
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| CN206625393U (en) * | 2017-04-10 | 2017-11-10 | 广州大学 | A kind of three-dimensional vibration isolating device |
| CN208565972U (en) * | 2018-05-25 | 2019-03-01 | 无锡鑫润纺织机械有限公司 | A kind of moveable frame of textile machine damping device |
| CN109972893A (en) * | 2019-04-12 | 2019-07-05 | 天津大学 | A kind of three-dimensional isolation device and method based on horizontal movement shock insulation |
| CN209390202U (en) * | 2019-01-16 | 2019-09-13 | 代玲 | A kind of teaching hard disk video recorder shock-absorbing type protective shell |
| CN110513434A (en) * | 2019-09-20 | 2019-11-29 | 四川省龙丹纳科技有限公司 | A kind of orthogonal guide tracked earthquake isolating equipment and its design method |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398483A2 (en) * | 1989-04-28 | 1990-11-22 | Leonard Studio Equipment Inc. | Shock and vibration isolator |
| JPH10169710A (en) * | 1996-12-11 | 1998-06-26 | Mitsubishi Steel Mfg Co Ltd | Base isolation device for structure |
| JP2004332763A (en) * | 2003-04-30 | 2004-11-25 | Yakumo Kk | Active/passive changing type earthquake-isolating device |
| KR20110072410A (en) * | 2009-12-22 | 2011-06-29 | 재단법인 포항산업과학연구원 | Seismic isolating apparatus |
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| CN104088943A (en) * | 2014-07-09 | 2014-10-08 | 中国航空规划建设发展有限公司 | Guide rail type shock isolation device |
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| CN206625393U (en) * | 2017-04-10 | 2017-11-10 | 广州大学 | A kind of three-dimensional vibration isolating device |
| CN208565972U (en) * | 2018-05-25 | 2019-03-01 | 无锡鑫润纺织机械有限公司 | A kind of moveable frame of textile machine damping device |
| CN209390202U (en) * | 2019-01-16 | 2019-09-13 | 代玲 | A kind of teaching hard disk video recorder shock-absorbing type protective shell |
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| CN111306246A (en) | 2020-06-19 |
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