CN213576277U - Large-load low-frequency air bag vibration isolator for ship - Google Patents
Large-load low-frequency air bag vibration isolator for ship Download PDFInfo
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- CN213576277U CN213576277U CN202022243400.9U CN202022243400U CN213576277U CN 213576277 U CN213576277 U CN 213576277U CN 202022243400 U CN202022243400 U CN 202022243400U CN 213576277 U CN213576277 U CN 213576277U
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- gasbag
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Abstract
The utility model relates to a boats and ships technical field discloses a boats and ships are with big load low frequency gasbag isolator, and in order to improve the stable bearing capacity of gasbag isolator, the top of supporting the base is connected with the shock attenuation gasbag, and the outside that the top of supporting the base is located the shock attenuation gasbag is connected with the steady voltage gasbag, and the transmission swivel nut has been cup jointed to the outside symmetry of transmission lead screw, and the inboard of transmission swivel nut is fixed with the encapsulation grillage, and one side of encapsulation grillage is run through and has been seted up and twist and close the screw. The utility model discloses a rotating hand wheel can drive encapsulation grillage symmetry encapsulation closed, open, and then under the supporting combination of twisting the screw, can be convenient for the staff to carry out convenient, firm equipment fixing work to boats and ships equipment, and in the use, through the cross symmetry parcel of steady voltage gasbag to the shock attenuation gasbag, under reset spring and the supporting combination of location slide bar, can avoid the gasbag to appear squinting when the pressure-bearing and lead to the condition that the bearing capacity is low.
Description
Technical Field
The utility model relates to a boats and ships technical field specifically is a boats and ships are with big load low frequency gasbag isolator.
Background
The vibration isolator is an elastic member connecting the equipment and the foundation to reduce and eliminate vibration force transmitted from the equipment to the foundation and vibration transmitted from the foundation to the equipment, and the airbag vibration isolator is one of shock-absorbing devices, which is widely used in marine equipment.
Through retrieval, the Chinese patent net discloses a large-load low-frequency airbag vibration isolator (publication No. CN206036095U), wherein a metal upper cover plate is used for supporting upper equipment, the upper part of a rubber airbag is connected with the metal upper cover plate in a vulcanization mode, the lower part of the rubber airbag is connected with a lower support in a vulcanization mode, the rubber airbag is used for containing high-pressure gas and generating lifting force to support the upper equipment, the lower support is used for supporting the rubber airbag and is connected with a floor, a high-pressure gas pipe is connected with the lower support through a connector in a threaded mode, a breather nozzle is connected with the high-pressure gas pipe in a threaded mode and guarantees the airtightness, the rubber airbag is used for filling the high-pressure gas into the rubber airbag, the strength of the airbag is strengthened on the basis of guaranteeing the airtightness of the airbag, the volume of an air cavity is enlarged, the bearing capacity of the airbag is effectively, and in the process of assembly and use, the equipment is inconvenient to assemble, fix and support. Accordingly, those skilled in the art have provided a large-load low-frequency airbag vibration isolator for ships to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boats and ships are with big load low frequency gasbag isolator to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a large-load low-frequency air bag vibration isolator for ships comprises a supporting base, wherein a damping air bag is connected above the supporting base, a pressure stabilizing air bag is connected above the supporting base and positioned outside the damping air bag, lower connecting seats are fixed at four corner positions of the supporting base, a positioning slide rod is fixed above the lower connecting seats, a reset spring is sleeved at the bottom position of the outer side of the positioning slide rod, an upper connecting seat is sleeved at the top position of the outer side of the positioning slide rod, the positioning slide rod is connected with a supporting top seat through the upper connecting seats, a positioning shaft sleeve is fixed at the middle position of the upper connecting seat, positioning bases are symmetrically fixed above the supporting top seat, transmission lead screws are symmetrically connected to the inner sides of the positioning bases, a rotary hand wheel is fixed at one end of each transmission lead screw, and a transmission toothed belt is connected to the top ends of the transmission lead screws, the outside symmetry of transmission lead screw has cup jointed the transmission swivel nut, the inboard of transmission swivel nut is fixed with the encapsulation grillage, one side of encapsulation grillage is run through and is seted up the screw of screwing up.
As a further aspect of the present invention: the number of the pressure stabilizing air bags is four, and the pressure stabilizing air bags are mutually crossed and symmetrically arranged relative to four corners of the damping air bags.
As a further aspect of the present invention: the pressure stabilizing air bag is of a bent structure, the damping air bag is of a square structure, and the pressure stabilizing air bag and the damping air bag are both made of nitrile rubber components.
As a further aspect of the present invention: the inner diameter of the reset spring is matched with the outer diameter of the positioning slide rod, and the upper connecting seat is elastically clamped with the positioning slide rod through the reset spring.
As a further aspect of the present invention: the number of the transmission screw rods is two, a transmission gear is fixed at the top end of each transmission screw rod, and the transmission toothed belt is connected with the transmission screw rods through the transmission gears.
As a further aspect of the present invention: the transmission screw rod is bounded by a central line, positive and negative screw threads which are symmetrically arranged are respectively arranged on two sides of the central line, and the transmission screw rod is symmetrically and slidably connected with the transmission screw sleeve through the positive and negative screw threads.
As a further aspect of the present invention: the number of the screwing screw holes is not less than five groups, and the spacing distances between the screwing screw holes are the same.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a rotating rotary hand wheel can drive encapsulation grillage symmetry encapsulation closure, open, and then under the supporting combination of twisting the screw, the staff of can being convenient for carries out convenient to boats and ships equipment, firm equipment fixed work, when improving the nimble usability of gasbag isolator, staff's equipment intensity has been reduced again, and in the use, cross symmetry parcel through the steady voltage gasbag to the shock attenuation gasbag, under reset spring and the supporting combination of location slide bar, can improve the pressure-bearing stability of gasbag isolator, avoid the gasbag to appear squinting when the pressure-bearing and lead to the condition that the bearing capacity is low.
Drawings
FIG. 1 is a schematic structural diagram of a large-load low-frequency air bag vibration isolator for a ship;
FIG. 2 is an enlarged view of a high-load low-frequency airbag vibration isolator for a ship at the position A in FIG. 1;
fig. 3 is a schematic structural diagram of an air bag in a large-load low-frequency air bag vibration isolator for a ship.
In the figure: 1. a support base; 2. a pressure stabilizing air bag; 3. a shock-absorbing air bag; 4. supporting the top seat; 5. a lower connecting seat; 6. a return spring; 7. positioning the slide bar; 8. an upper connecting seat; 9. positioning the shaft sleeve; 10. a positioning base; 11. a transmission threaded sleeve; 12. a packaging board frame; 13. screwing the screw hole; 14. a transmission screw rod; 15. a transmission gear; 16. a drive toothed belt; 17. the hand wheel is rotated.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a large-load low-frequency airbag vibration isolator for a ship includes a support base 1, a damping airbag 3 is connected to a top of the support base 1, a pressure stabilizing airbag 2 is connected to an outer side of the damping airbag 3 and a top of the support base 1, the number of the pressure stabilizing airbags 2 is four, the pressure stabilizing airbags 2 are symmetrically arranged to cross each other with respect to four corners of the damping airbag 3, the pressure stabilizing airbag 2 is a bent structure, the damping airbag 3 is a square structure, the pressure stabilizing airbag 2 and the damping airbag 3 are made of nitrile rubber, when the support base 4 is subjected to an external vibration pressure, the support base 4 transmits the pressure to the damping airbag 3 and the pressure stabilizing airbag 2, the damping airbag 3 is wrapped by the pressure stabilizing airbag 2 in a crossing symmetry manner to maintain stable deformation of the damping airbag 3, the situation that the air bag vibration isolator is unstable in pressure bearing due to the fact that the damping air bag 3 deflects in the pressure bearing process is avoided.
The four corner positions of the supporting base 1 are all fixed with lower connecting seats 5, the upper part of the lower connecting seat 5 is fixed with a positioning slide rod 7, the outer side of the positioning slide rod 7 is positioned at the bottom position and sleeved with a reset spring 6, the outer side of the positioning slide rod 7 is positioned at the top position and sleeved with an upper connecting seat 8, the positioning slide rod 7 is connected with a supporting top seat 4 through the upper connecting seat 8, the middle position above the upper connecting seat 8 is fixed with a positioning shaft sleeve 9, the inner diameter of the reset spring 6 is matched with the outer diameter of the positioning slide rod 7, the upper connecting seat 8 is elastically clamped with the positioning slide rod 7 through the reset spring 6, when the air bag vibration isolator bears pressure, the upper connecting seat 8 is driven to slide on the positioning slide rod 7 when the supporting top seat 4 moves up and down, and then the elastic reset through the reset spring 6 can elastically support the upper connecting seat 8, and reduce the vibration, meanwhile, the supporting top seat 4 can be ensured to stably bear the pressure of the ship equipment.
A positioning base 10 is symmetrically fixed above the supporting top seat 4, a transmission screw rod 14 is symmetrically connected to the inner side of the positioning base 10, a rotary hand wheel 17 is fixed to one end of the transmission screw rod 14, a transmission toothed belt 16 is connected to the top end of the transmission screw rod 14, a transmission screw sleeve 11 is symmetrically sleeved on the outer side of the transmission screw rod 14, a packaging plate frame 12 is fixed to the inner side of the transmission screw sleeve 11, the number of the transmission screw rods 14 is two, a transmission gear 15 is fixed to the top end of the transmission screw rod 14, the transmission toothed belt 16 is connected with the transmission screw rod 14 through the transmission gear 15, the transmission screw rod 14 takes a central line as a boundary, positive and negative screw threads which are symmetrically arranged are respectively arranged on two sides of the central line, the transmission screw rod 14 is symmetrically and slidably connected with the transmission screw sleeve 11 through the positive and negative screw threads, in the assembling and using process of the ship equipment, the ship equipment is placed at the middle, the transmission gear 15 is driven to rotate, two groups of transmission screw rods 14 are driven to rotate under the transfer connection of the transmission toothed belt 16, the transmission screw sleeves 11 are driven to symmetrically slide on the transmission screw rods 14 through the positive and negative screw teeth which are symmetrically arranged on the transmission screw rods 14, the packaging plate frame 12 is synchronously and symmetrically moved, and the packaging plate frame 12 is attached to the ship equipment.
One side of encapsulation grillage 12 runs through and has seted up the wrong screw 13 that closes, and the quantity of the wrong screw 13 is no less than five groups, and the wrong interval distance who closes between the screw 13 is the same, and after encapsulation grillage 12 and boats and ships equipment laminating, twist the supporting fixing bolt in the wrong screw 13 that closes, in the mounting hole of seting up in advance on the synchronous wrong boats and ships equipment.
The utility model discloses a theory of operation is: during the assembly and use of the ship equipment, the ship equipment is placed at the middle position above the supporting top seat 4, and then a worker rotates the rotating hand wheel 17 to drive the transmission gear 15 to rotate, under the transfer connection of the transmission toothed belt 16, two groups of transmission screw rods 14 are driven to rotate, through the positive and negative screw teeth which are symmetrically arranged on the transmission screw rods 14, the transmission screw sleeves 11 are driven to symmetrically slide on the transmission screw rods 14, the packaging plate frames 12 are synchronously and symmetrically moved to attach the packaging plate frames 12 to the ship equipment, after the packaging plate frames 12 are attached to the ship equipment, the matched fixing bolts are screwed into the screwing screw holes 13 and are synchronously screwed into the mounting holes which are pre-arranged on the ship equipment, the ship equipment is firmly fixed on the air bag vibration isolator, further, during the use of the air bag vibration isolator, when the supporting top seat 4 is subjected to external vibration pressure, the supporting top seat 4 transmits the pressure to the damping air bag 3 and the pressure stabilizing air bag 2, wrap up damping airbag 3's cross symmetry through steady voltage gasbag 2, make damping airbag 3 deformation that remains stable, avoid damping airbag 3 to appear the skew at the pressure-bearing in-process and lead to the unstable condition of gasbag isolator pressure-bearing, synchronous when gasbag isolator when the pressure-bearing, it slides on location slide bar 7 to drive connecting seat 8 when supporting footstock 4 reciprocates, and then elastic reset through reset spring 6, can carry out elastic support to last connecting seat 8, reduce the shock strength who supports footstock 4, can ensure simultaneously to support footstock 4 steady to the pressure-bearing of boats and ships equipment.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The large-load low-frequency air bag vibration isolator for the ship comprises a supporting base (1) and is characterized in that a damping air bag (3) is connected above the supporting base (1), a pressure stabilizing air bag (2) is connected to the outer side, located on the damping air bag (3), of the supporting base (1), lower connecting seats (5) are fixed at four corner positions of the supporting base (1), positioning slide rods (7) are fixed above the lower connecting seats (5), reset springs (6) are sleeved at positions, located at the bottom ends, of the outer sides of the positioning slide rods (7), upper connecting seats (8) are sleeved at positions, located at the top ends, of the outer sides of the positioning slide rods (7), the positioning slide rods (7) are connected with supporting top seats (4) through upper connecting seats (8), and positioning shaft sleeves (9) are fixed at positions, located at the middle portions, of the upper connecting seats (8), the top symmetry of supporting footstock (4) is fixed with location base (10), the inboard symmetric connection of location base (10) has transmission lead screw (14), the one end of transmission lead screw (14) is fixed with rotatory hand wheel (17), and the top of transmission lead screw (14) is connected with transmission cingulum (16), transmission swivel nut (11) has been cup jointed to the outside symmetry of transmission lead screw (14), the inboard of transmission swivel nut (11) is fixed with encapsulation grillage (12), one side of encapsulation grillage (12) is run through and has been seted up wrong screw (13) that closes.
2. A large-load low-frequency air bag vibration isolator for ships according to claim 1, wherein the number of the pressure stabilizing air bags (2) is four, and the pressure stabilizing air bags (2) are arranged in a mutually crossed and symmetrical manner relative to four corners of the damping air bag (3).
3. The large-load low-frequency air bag vibration isolator for the ship according to claim 1, wherein the pressure stabilizing air bag (2) is of a bent structure, the damping air bag (3) is of a square structure, and the pressure stabilizing air bag (2) and the damping air bag (3) are made of nitrile rubber.
4. The large-load low-frequency air bag vibration isolator for the ship according to claim 1, wherein the inner diameter of the return spring (6) is matched with the outer diameter of the positioning slide rod (7), and the upper connecting seat (8) is elastically clamped with the positioning slide rod (7) through the return spring (6).
5. The large-load low-frequency airbag vibration isolator for the ship is characterized in that the number of the transmission screw rods (14) is two, a transmission gear (15) is fixed at the top end of each transmission screw rod (14), and the transmission toothed belt (16) is connected with the transmission screw rods (14) through the transmission gear (15).
6. The large-load low-frequency air bag vibration isolator for the ship as claimed in claim 1, wherein the transmission screw rod (14) is bounded by a central line, positive and negative threads which are symmetrically arranged are respectively arranged on two sides of the central line, and the transmission screw rod (14) is symmetrically and slidably connected with the transmission thread sleeve (11) through the positive and negative threads.
7. The large-load low-frequency air bag vibration isolator for the ship as claimed in claim 1, wherein the number of the screw holes (13) is not less than five groups, and the spacing distances between the screw holes (13) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022243400.9U CN213576277U (en) | 2020-10-10 | 2020-10-10 | Large-load low-frequency air bag vibration isolator for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022243400.9U CN213576277U (en) | 2020-10-10 | 2020-10-10 | Large-load low-frequency air bag vibration isolator for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213576277U true CN213576277U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022243400.9U Active CN213576277U (en) | 2020-10-10 | 2020-10-10 | Large-load low-frequency air bag vibration isolator for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213576277U (en) |
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2020
- 2020-10-10 CN CN202022243400.9U patent/CN213576277U/en active Active
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