CN109487980B - Vibration isolation floor supported by crank arm - Google Patents
Vibration isolation floor supported by crank arm Download PDFInfo
- Publication number
- CN109487980B CN109487980B CN201811463824.7A CN201811463824A CN109487980B CN 109487980 B CN109487980 B CN 109487980B CN 201811463824 A CN201811463824 A CN 201811463824A CN 109487980 B CN109487980 B CN 109487980B
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- CN
- China
- Prior art keywords
- layer plate
- crank arm
- hinge body
- supporting
- middle layer
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Links
- 238000002955 isolation Methods 0.000 title claims abstract description 24
- 230000035939 shock Effects 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 15
- 241000446313 Lamella Species 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/22—Resiliently-mounted floors, e.g. sprung floors
- E04F15/225—Shock absorber members therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Floor Finish (AREA)
Abstract
The invention relates to a vibration isolation floor supported by a crank arm, which consists of three layers of bottom plates, wherein springs and a crank arm vibration-resistant device are respectively arranged between the three layers of bottom plates, the springs are used for absorbing vertical vibration energy generated by explosion, the crank arm vibration-resistant device is used for buffering transverse vibration energy generated by explosion, an upper supporting crank arm and a lower supporting crank arm on the crank arm vibration-resistant device are mutually hinged, and the springs are also connected between the upper supporting crank arm and the lower supporting crank arm.
Description
Technical Field
The invention relates to the technical field of shock insulation floors, in particular to a shock insulation floor with a limit rope and a multipoint spherical rolling support.
Background
Under the explosion impact vibration environment, engineering needs to take vibration isolation measures to ensure the safety of personnel and equipment inside. The shock insulation floor is a shock insulation measure commonly adopted in engineering shock insulation, an elastic element is added between an upper layer plate and a lower layer plate of the conventional shock insulation floor, for example, a spring is used for buffering shock generated by explosion shock, the spring is used for absorbing the energy of the vertical shock of the explosion shock, for the explosion, the generated shock is not only the vertical shock energy, but also some transverse shock energy, and the conventional shock insulation floor basically does not have the function in the aspect, and needs innovation and improvement.
Disclosure of Invention
In order to solve the problems, the invention provides a vibration isolation floor supported by a crank arm.
The technical scheme of the invention is as follows: the utility model provides a vibration isolation floor that turning arm supported, includes top plate, intermediate lamella and bottom plate, characterized by: a plurality of anti-seismic springs are uniformly distributed between the upper layer plate and the middle layer plate, and the upper end and the lower end of each anti-seismic spring are fixedly connected with the upper layer plate and the middle layer plate respectively; four mutually parallel crank arm anti-vibration devices are supported between four corners of the middle layer plate and the lower layer plate, and at least comprise supporting crank arms, and the middle layer plate and the lower layer plate can swing through the crank arm anti-vibration devices;
four corners of the middle layer plate and the lower layer plate are provided with limiting ropes, and the length of each limiting rope is slightly larger than the distance between the middle layer plate and the lower layer plate.
Preferably, the supporting crank arm of the crank arm anti-seismic device consists of a middle transverse supporting body, an upper supporting leg and a lower supporting leg which are connected to two ends of the middle supporting body, wherein the upper supporting leg and the lower supporting leg are respectively vertically and vertically connected with the middle supporting body in opposite directions, bearing seats are arranged at positions of the middle layer plate and the lower layer plate corresponding to the upper supporting leg and the lower supporting leg, and the end parts of the upper supporting leg and the lower supporting leg are connected through the bearings and the bearing seats to form a revolute pair.
Preferably, the crank anti-seismic device comprises a spring, the supporting crank comprises an upper supporting crank and a lower supporting crank, the upper supporting crank consists of a transverse upper hinge body and an upper crank leg vertically connected with one end of the upper hinge body, the lower supporting crank consists of a transverse lower hinge body and a lower crank leg vertically connected with one end of the lower hinge body, the hinge end of the upper hinge body is hinged with the hinge end of the lower hinge body to connect the upper supporting crank and the lower supporting crank into a whole, the spring is positioned at the included angle of the upper hinge body and the lower hinge body, and two ends of the spring are horizontally connected with the middle parts of the upper hinge body and the lower hinge body; the middle layer plate and the lower layer plate are provided with bearing seats at positions corresponding to the upper and lower crank arm supporting legs, and the upper and lower crank arm supporting legs are connected with the bearing seats through bearings to form a revolute pair.
Preferably, the hinge end of the upper hinge body extends outwards to form a clamping groove which is transversely perpendicular to the upper hinge body, and the lower hinge body is positioned in the clamping groove.
Preferably, the cross sections of the upper support crank arm and the lower support crank arm are round and have the same size.
Preferably, the size of the clamping groove is matched with the size of the lower support crank arm.
Preferably, the upper layer plate, the middle layer plate and the lower layer plate have the same size, and after the anti-seismic spring and the double-crank anti-seismic device are arranged between the upper layer plate, the middle layer plate and the lower layer plate, the corresponding side edges are parallel to each other.
Preferably, after the upper leg and the lower leg are connected with the middle layer plate and the lower layer plate through bearings, the distance between the two middle supporting bodies and the middle layer plate and the lower layer plate is the same.
The beneficial technical effects of the invention are as follows: the vibration isolation bottom plate is provided with three layers, the vibration isolation springs are arranged between the upper layer plate and the middle layer plate and used for absorbing vertical vibration energy, the crank arm vibration-resistant device is arranged between the middle layer plate and the lower layer plate, when the vibration isolation bottom plate receives transverse vibration, the support crank arms on the vibration-resistant device are stressed to drive the bottom plate to swing, so that the transverse vibration energy in all directions is absorbed, and under the combined action of the vibration isolation springs and the crank arm vibration-resistant device, the vibration isolation bottom plate can absorb the vibration energy in all directions, so that the vibration isolation bottom plate is more stable and safer.
Drawings
FIG. 1 is one of the perspective views of a lever supported shock isolation floor;
FIG. 2 is one of the front views of a lever supported shock isolation floor;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 5 is a second perspective view of a lever supported shock isolation floor;
FIG. 6 is a second front view of a lever supported shock isolation floor;
FIG. 7 is a B-B cross-sectional view of FIG. 5;
FIG. 8 is a second lever vibration isolation device of a lever supported vibration isolation floor;
FIG. 9 is a second alternative state of a lever vibration isolation device of a lever supported vibration isolation floor;
In the figure, 1. Upper layer plate; 2. an intermediate plate; 3. a lower plate; 4. an anti-vibration spring; 5. a crank arm anti-vibration device; 6. a limit rope; 7. an intermediate support; 701. an upper leg; 702. a lower leg; 8. a bearing seat; 9. a spring; 10. an upper support crank arm; 101. an upper hinge body; 102. an upper crank arm; 103. a clamping groove; 11. a lower support crank arm; 1101. a lower hinge body; 1102. and the lower crank arm supporting leg.
Detailed Description
Referring to fig. 1-4 of the specification, a vibration isolation floor supported by a crank arm comprises an upper layer plate, a middle plate and a lower layer plate, wherein a plurality of vibration-resistant springs are uniformly distributed between the upper layer plate and the middle layer plate, the upper end and the lower end of each vibration-resistant spring are fixedly connected with the upper layer plate and the middle plate respectively, and the vibration-resistant springs can absorb vertical vibration energy; four mutually parallel crank arm anti-vibration devices are supported between four corners of the middle layer plate and the lower layer plate, the crank arm anti-vibration devices can absorb transverse vibration energy, each crank arm anti-vibration device comprises a supporting crank arm, each supporting crank arm consists of a middle supporting body and an upper supporting leg and a lower supporting leg which are connected to two ends of the middle supporting body, the upper supporting legs and the lower supporting legs are vertically and vertically connected with the middle supporting body in opposite directions respectively, bearing seats are arranged at positions of the middle layer plate and the lower layer plate corresponding to the upper supporting legs and the lower supporting legs, and the end parts of the upper supporting legs and the lower supporting legs are connected through bearings and the bearing seats to form a revolute pair; the middle layer plate and the lower layer plate can swing through the crank arm anti-vibration device;
The four corners at middle level board and bottom plate are equipped with spacing rope, and this spacing rope length is slightly greater than the interval between middle level board and the bottom plate, and when the vibrations that receive were strikeed very much, spacing rope can pull top plate, middle plate and bottom plate, avoids the vibration isolation bottom plate to take place too big swing.
The cross sections of the upper support crank arm and the lower support crank arm are circular and have the same size, the cylindrical support crank arm can be connected with a bearing more conveniently, and the installation and detachment speed of the shock insulation bottom plate can be improved.
The upper layer plate, the middle layer plate and the lower layer plate have the same size, and after the anti-seismic springs and the double-crank anti-seismic devices are arranged between the upper layer plate, the middle layer plate and the lower layer plate, the corresponding side edges are parallel to each other.
In a second embodiment, referring to fig. 5-9 of the specification, a vibration isolation floor supported by a crank arm comprises an upper layer plate, a middle plate and a lower layer plate, wherein a plurality of vibration-resistant springs are uniformly distributed between the upper layer plate and the middle layer plate, the upper end and the lower end of each vibration-resistant spring are fixedly connected with the upper layer plate and the middle plate respectively, and the vibration-resistant springs can absorb vertical vibration energy; four mutually parallel crank arm anti-vibration devices are supported between four corners of the middle layer plate and the four corners of the lower layer plate, each crank arm anti-vibration device comprises a supporting crank arm and a spring, each crank arm anti-vibration device comprises a spring, each supporting crank arm comprises an upper supporting crank arm and a lower supporting crank arm, each upper supporting crank arm consists of a transverse upper hinge body and an upper crank arm supporting leg vertically connected with one end of the upper hinge body, each lower supporting crank arm consists of a transverse lower hinge body and a lower crank arm supporting leg vertically connected with one end of the lower hinge body, the hinge end of the upper hinge body is hinged with the hinge end of the lower hinge body to connect the upper supporting crank arm and the lower supporting crank arm into a whole, the spring is positioned at an included angle of the upper hinge body and the lower hinge body, and two ends of the spring are horizontally connected with the middle parts of the upper hinge body and the lower hinge body; the middle layer plate and the lower layer plate are provided with bearing seats at positions corresponding to the upper and lower crank arm supporting legs, the upper and lower crank arm supporting legs are connected with the bearing seats to form a revolute pair, when the upper and lower supporting legs are subjected to transverse vibration energy, the upper and lower supporting legs can twist each other, thereby driving the middle layer plate and the lower layer plate to swing, being capable of buffering transverse energy in all directions,
In the first embodiment, if the transverse vibration force is consistent with the direction of the supporting body, the two ends of the supporting crank arm cannot rotate around the bearing, so that the supporting crank arm cannot deflect. In the embodiment, the springs connected between the upper hinge body and the lower hinge body give an elastic force to each other, so that the phenomenon of failure of the crank arm anti-seismic device caused by the problem of vibration incoming force angle is avoided.
The hinge end of the upper hinge body extends outwards to form a clamping groove which is perpendicular to the upper hinge body transversely, the lower hinge body is located in the clamping groove, and the clamping groove can support the hinge body, so that the structure of the crank anti-seismic device is firmer.
The four corners at middle level board and bottom plate are equipped with spacing rope, and this spacing rope length is slightly greater than the interval between middle level board and the bottom plate, and when the vibrations shock that receives was very big, spacing rope can pull middle level board and bottom plate, avoids the too big swing of shock insulation bottom plate emergence.
The support crank arm is a cylinder, the support crank arm of the cylinder can be connected with the bearing more conveniently, and the installation and the disassembly speed of the shock insulation bottom plate can be improved.
The size of the clamping groove is matched with that of the lower supporting crank arm, the clamping groove can support the upper and lower crank arms after being hinged, and the supporting force of the upper and lower crank arms on the upper base plate is increased.
The upper layer plate, the middle layer plate and the lower layer plate have the same size, and after the anti-seismic springs and the double-crank anti-seismic devices are arranged between the upper layer plate, the middle layer plate and the lower layer plate, the corresponding side edges are parallel to each other.
After the upper supporting leg and the lower limb leg are connected with the middle layer plate and the lower layer plate through the bearings, the distances between the two middle supporting bodies and the middle layer plate and the lower layer plate are the same, so that the stress of the two middle supporting bodies is uniform, the unstable turning arm anti-seismic device caused by uneven stress is avoided, and the anti-seismic effect is weakened.
According to the first embodiment and the second embodiment, the lower layer plate can be fixed on a foundation through the anchoring piece to serve as a stable support during installation, then the crank arm anti-seismic device, the middle layer plate, the anti-seismic spring and the upper layer plate are sequentially installed upwards, and the limiting ropes at four corners can be steel wire ropes or tension springs.
Claims (6)
1. The utility model provides a vibration isolation floor that turning arm supported, includes top plate, intermediate lamella and bottom plate, characterized by: a plurality of anti-seismic springs are uniformly distributed between the upper layer plate and the middle layer plate, and the upper end and the lower end of each anti-seismic spring are fixedly connected with the upper layer plate and the middle layer plate respectively; four mutually parallel crank arm anti-vibration devices are supported between four corners of the middle layer plate and the lower layer plate, and at least comprise supporting crank arms, and the middle layer plate and the lower layer plate can swing through the crank arm anti-vibration devices;
Four corners of the middle layer plate and the lower layer plate are provided with limiting ropes, and the length of each limiting rope is slightly larger than the distance between the middle layer plate and the lower layer plate;
The support crank arm of the crank arm anti-seismic device consists of a middle transverse support body, an upper support leg and a lower support leg which are connected with the two ends of the middle support body, wherein the upper support leg and the lower support leg are respectively vertically and vertically connected with the middle support body in opposite directions, bearing seats are arranged at positions of the middle layer plate and the lower layer plate corresponding to the upper support leg and the lower support leg, and the end parts of the upper support leg and the lower support leg are connected with the bearing seats through bearings to form a revolute pair;
The anti-vibration device for the crank arm comprises a spring, the supporting crank arm comprises an upper supporting crank arm and a lower supporting crank arm, the upper supporting crank arm consists of a transverse upper hinge body and an upper crank arm supporting leg vertically connected with one end of the upper hinge body, the lower supporting crank arm consists of a transverse lower hinge body and a lower crank arm supporting leg vertically connected with one end of the lower hinge body, the hinge end of the upper hinge body is hinged with the hinge end of the lower hinge body to connect the upper supporting crank arm and the lower supporting crank arm into a whole, the spring is positioned at an included angle between the upper hinge body and the lower hinge body, and two ends of the spring are horizontally connected with the middle parts of the upper hinge body and the lower hinge body; the middle layer plate and the lower layer plate are provided with bearing seats at positions corresponding to the upper and lower crank arm supporting legs, and the upper and lower crank arm supporting legs are connected with the bearing seats through bearings to form a revolute pair.
2. The rocker arm supported shock insulation floor of claim 1 wherein: the hinge end of the upper hinge body extends outwards to form a clamping groove which is transversely perpendicular to the upper hinge body, and the lower hinge body is positioned in the clamping groove.
3. The rocker arm supported shock insulation floor of claim 1, wherein: the cross sections of the upper support crank arm and the lower support crank arm are round and have the same size.
4. The rocker arm supported shock insulation floor of claim 2, wherein: the size of the clamping groove is matched with the size of the lower support crank arm.
5. The rocker arm supported shock insulation floor of claim 1, wherein: the upper layer plate, the middle layer plate and the lower layer plate have the same size, and after the anti-seismic springs and the double-crank anti-seismic devices are arranged between the upper layer plate, the middle layer plate and the lower layer plate, the corresponding side edges are parallel to each other.
6. The rocker arm supported shock insulation floor of claim 1, wherein: after the upper support leg and the lower limb leg are connected with the middle layer plate and the lower layer plate through the bearing, the distance between the two middle support bodies and the middle layer plate is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463824.7A CN109487980B (en) | 2018-12-03 | 2018-12-03 | Vibration isolation floor supported by crank arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463824.7A CN109487980B (en) | 2018-12-03 | 2018-12-03 | Vibration isolation floor supported by crank arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109487980A CN109487980A (en) | 2019-03-19 |
| CN109487980B true CN109487980B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811463824.7A Active CN109487980B (en) | 2018-12-03 | 2018-12-03 | Vibration isolation floor supported by crank arm |
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| Country | Link |
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| CN (1) | CN109487980B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670840B (en) * | 2019-11-20 | 2020-07-14 | 惠安县易尚手新材料有限公司 | Floor with damping function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291290A (en) * | 1999-04-08 | 2000-10-17 | Soken Sekkei:Kk | Storm resisting apparatus for seismically isolated structure |
| CN102317548A (en) * | 2009-02-16 | 2012-01-11 | 马拉特·迪戈里 | The multidirectional hysteresis damper (MTHD) that reverses |
| CN103821248A (en) * | 2014-03-09 | 2014-05-28 | 北京工业大学 | Limit connecting rod type low frequency vibration isolation energy-consumption support |
| CN206438390U (en) * | 2017-01-13 | 2017-08-25 | 陕西铁路工程职业技术学院 | A kind of high-performance bridge aseismatic bearing |
| CN209760679U (en) * | 2018-12-03 | 2019-12-10 | 河南民生特种装备有限公司 | Shock insulation floor supported by crank arm |
-
2018
- 2018-12-03 CN CN201811463824.7A patent/CN109487980B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291290A (en) * | 1999-04-08 | 2000-10-17 | Soken Sekkei:Kk | Storm resisting apparatus for seismically isolated structure |
| CN102317548A (en) * | 2009-02-16 | 2012-01-11 | 马拉特·迪戈里 | The multidirectional hysteresis damper (MTHD) that reverses |
| CN103821248A (en) * | 2014-03-09 | 2014-05-28 | 北京工业大学 | Limit connecting rod type low frequency vibration isolation energy-consumption support |
| CN206438390U (en) * | 2017-01-13 | 2017-08-25 | 陕西铁路工程职业技术学院 | A kind of high-performance bridge aseismatic bearing |
| CN209760679U (en) * | 2018-12-03 | 2019-12-10 | 河南民生特种装备有限公司 | Shock insulation floor supported by crank arm |
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| Publication number | Publication date |
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| CN109487980A (en) | 2019-03-19 |
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