CN201215154Y - Quickly dismounted damping adjustable drawbar vibration isolator - Google Patents
Quickly dismounted damping adjustable drawbar vibration isolator Download PDFInfo
- Publication number
- CN201215154Y CN201215154Y CNU2008200399914U CN200820039991U CN201215154Y CN 201215154 Y CN201215154 Y CN 201215154Y CN U2008200399914 U CNU2008200399914 U CN U2008200399914U CN 200820039991 U CN200820039991 U CN 200820039991U CN 201215154 Y CN201215154 Y CN 201215154Y
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- vibration isolator
- spring
- length adjustment
- iii
- assembly
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Abstract
A fast-switched damping-adjustable drawbar vibration isolator is composed of a square-cabin connecting component (I), a cross connecting shaft part (II), a damping-adjustable vibration isolator component (III), a length adjusting component (IV) and a device connecting component (V), wherein a cross joint (01) in the square-cabin connecting component (I) is connected with a connecting threaded sleeve of the damping-adjustable vibration isolator component (III) through a connecting shaft (04) in the cross connecting shaft part (II), one end of the length adjusting component (IV) is connected with the device connecting component (V) which is in steel joint with a square cabin, and the other end is connected with a length adjusting screw (16) of the damping-adjustable vibration isolator component (III). On the basis of guaranteeing effective vibration isolating and buffering effect, the utility model realizes fast switching and guarantees corresponding stability and reliability for the pull force of the drawbar vibration isolator during tens of thousands of times of switching.
Description
Technical field
The utility model is a kind of quick conversion work state of needs that is used for, and improves the stability of the higher electronic equipment of center of gravity and special-purpose pull bar vibration isolator belongs to electronic equipment vibration environment control technique field.
Background technique
Equipment (hereinafter to be referred as electronic equipment) such as the microwave communication of vehicle-mounted removable remote-control romote-sensing, radar, laser detector need carry out anti-vibration and shock with the vibrating isolation system that bottom vibration isolator and top pull bar vibration isolator are formed when vehicle running state.But vehicle stops, and in the time of need entering working state, just must remove the pull bar vibration isolator that links to each other with equipment, so that its antenna (or probe) freely rotates, carries out work.The typical Placement of pull-rod type vibration isolator as shown in Figure 1.The energy that adjustable damper in the vibration isolator is used for suppressing to resonate and dissipates vibration, impact produce.
Before vehicle is about to enter travelling state, the pull bar vibration isolator must be loaded onto again, to guarantee the safety of electronic equipment in transportation process.Therefore, this type of vibration isolator must structurally have quick mounting mechanism, with the rapid validity of assurance work/delivery state handover operation.
Summary of the invention
Technical problem: the purpose of this utility model provides the pull bar vibration isolator of a kind of quick loading and unloading, Adjustable Damping, this vibration isolator is on the basis of guaranteeing effective anti-vibration and shock effect, realize switching fast, and in tens thousand of times handoff procedure, guarantee that the pulling force of pull bar vibration isolator has corresponding stability and reliability.
Technological scheme: quick switching Adjustable Damping pull bar vibration isolator of the present utility model is made up of shelter connection part, cross coupling shaft parts, Adjustable Damping vibration isolator assembly, length adjustment assembly, five parts of equipment connection part; Wherein, the cross joint in the shelter connection part is connected by the coupling shaft in the cross coupling shaft parts with the swivel nut that is connected of Adjustable Damping vibration isolator assembly; One end of length adjustment assembly is connected with the equipment connection part that the shelter steel connects, and the other end is connected with the length adjustment screw rod of Adjustable Damping vibration isolator assembly; The Adjustable Damping vibration isolator assembly is formed adjustable damper by step screw rod, trip ring, outer conical ring, butterfly spring and slide plate, locking nut, trip ring is slit into three equal parts with a full circle inner cone ring cutting, cooperate with outer conical ring, by rotational lock nut change positive pressure between the two, to reach the purpose of regulating damping, at the trip ring front end butterfly spring of accurate zero stiffness is housed, the wear extent of damper friction surface can be carried out self compensation by butterfly spring; Form vibration isolator by cylinder, main extension spring, steel net pad, connection swivel nut, catch, Adjusting bolt Adjusting screw and spring housing; Main extension spring is cylindrical screw spring or butterfly spring, be enclosed within on the spring housing, connection swivel nut, steel net pad, catch be housed, change the loadings of steel net pad at the cylinder right-hand member, the swivel nut that is rotatably connected changes the space size between itself and catch, can change the rigidity of steel net pad and realize spacing.The length adjustment assembly is made up of length adjustment screw rod and left-handed fastening screw nut thereof.
Beneficial effect:
1) for a series of pull bar vibration isolators, its main spring can be butterfly spring or spiral spring.When adopting the spiral spring, can keep its internal diameter identical, (E G) etc., changes the rigidity of main spiral spring for steel wire diameter, number of active coils, young modulus of material by changing main spiral spring; When adopting butterfly spring, external diameter and combination thereof wait and change its rigidity in can reaching by the thickness that changes butterfly spring, to adapt to the anti-vibration and shock requirement of various distinct electronic apparatuses.
2) can freely regulate the size of damping force according to the requirement of vibrating isolation system.Simultaneously, the wear extent of damper friction surface can be carried out self compensation by accurate zero stiffness butterfly spring.
3) adopt the length adjustment screw rod, can change axial length fast, the state of being convenient to switches fast.
4) adopt the cross joint that has joint shaft bearing, freely conversion direction can place it on the position of permission after being convenient to pull down.
5) pull bar directly links to each other with launch vehicle tops such as shelter or vehicles, can reduce the mechanical displacement that causes because of inclination in the running process adverse effect to equipment.But it has the bigger shortcoming of floor space.
6) by regulating adjusting screw rod, make pull bar vibration isolator length elongated, the spring off-load can remove bearing pin rapidly, and vibration isolator is removed, and inserts bearing pin again, and bearing pin is held by magnet; Can load onto rapidly during work, with adjusting screw rod the pull bar vibration isolator be loaded again.
7) its total length can be adjusted by the length that changes the length adjustment assembly, to adapt to the installation requirement of various electronic equipments.
In addition, such vibration isolator also has following feature:
1) rigidity of its main spring, reaction of bearing and displacement size adapt with the bottom vibration isolator, the anti-vibration and shock characteristic is complementary.And the vibrating isolation system of forming has the decoupling zero characteristic.
2) its adjustable damper can provide and equipment height of center of mass h
c, the damping force that adapts of equipment quality m and running qualities of a wagon.
3) work/delivery state switch speed can satisfy corresponding regulation requirement.
On the basis of guaranteeing effective anti-vibration and shock effect, realize switching fast.And in up to ten thousand times handoff procedure, can guarantee that the pulling force of pull-rod type vibration isolator has corresponding stability and reliability.
Description of drawings
The schematic representation of Fig. 1 electronic equipment pull-rod type vibrating isolation system transport state;
Pull bar vibration isolator 1a, bottom vibration isolator 1b, precision positioning mechanism 2, fast lifting mechanism 3, coarse positioning locking mechanism 4, vibration reduction platform 5, lower bottom base 6, steel ball turnover mechanism 7, connection journal stirrup 8, top, cabin 9, shelter base plate 10.
Fig. 2 push rod vibration isolator structural representation;
Have among the above figure: main spring 00, cross joint 01, bearing pin 02, baffle ring 03, coupling shaft 04, connection swivel nut 05, steel net pad 06, catch 07, outer conical ring 08, trip ring 09, cunning 10, butterfly spring 11, step screw rod 12, cylinder 13, spring housing 14, Adjusting bolt Adjusting screw 15, length adjustment screw rod 16, locking nut 17, connecting ring 18, pin 19, equipment fitting seat 20, left-handed fastening screw nut 26, top connecting plate 27, magnet assembly 30, spherical plain bearing rod end B1.
Embodiment
Quick switching Adjustable Damping pull bar vibration isolator of the present utility model is shown in Figure 2, and it mainly is made up of shelter connection part, cross coupling shaft parts, Adjustable Damping vibration isolator assembly, length adjustment assembly, five parts of equipment connection part; Wherein, one end of cross coupling shaft parts connects the shelter connection part, the other end is connected with the swivel nut that is connected of Adjustable Damping vibration isolator assembly, an end connection device connection part of length adjustment assembly, and the other end is connected with the adjusting nut of Adjustable Damping vibration isolator assembly.
The Adjustable Damping vibration isolator assembly III of pull bar vibration isolator shown in Figure 2 is made up of step screw rod, trip ring, outer conical ring, butterfly spring and slide plate, locking nut, wherein the trip ring of adjustable damper is that a full circle inner cone ring cutting is slit into three equal parts, and cooperate with outer conical ring, by rotational lock nut change positive pressure between the two, to reach the purpose of regulating damping, the butterfly spring of accurate zero stiffness is housed at the trip ring front end, the wear extent of damper friction surface can be carried out self compensation by butterfly spring;
Vibration isolator is made up of cylinder, main spring, steel net pad, connection swivel nut, catch, Adjusting bolt Adjusting screw and spring housing; Main spring is cylindrical screw spring or butterfly spring, is equipped with at the cylinder right-hand member to connect swivel nut, steel net pad, catch, changes the loadings of steel net pad, and the swivel nut that is rotatably connected changes the space size between itself and catch, can change the rigidity of steel net pad and realize spacing.
Above-mentioned length adjustment assembly by two ends have right-and-left threaded length adjustment screw rod, left-handed fastening screw nut is formed; Wherein, shown in Figure 2 with left-handed fastening screw nut locking behind the length adjustment screw rod screw-in connecting ring, its axial counter-force is a pulling force, then obtains pull-rod type top shown in Figure 2 vibration isolator is installed.
The suffered vertical vibration of electronic equipment impacts and is mainly born by the bottom vibration isolator, and the pull bar vibration isolator mainly solves the stability of horizontal vibration.When electronic equipment is subjected to horizontal X to vibration, its inertial force
By the bottom vibration isolator, horizontal reacting force F
X1Horizontal reacting force F with the pull bar vibration isolator
X2Institute bears,
The bottom vibration isolator is got square, and equipment quality is that m, height of center of mass are h
1, pull bar vibration isolator support height is h
2, when satisfying:
The time, equalising torque can keep the stable of equipment.
Quick switching Adjustable Damping pull bar vibration isolator of the present invention of the present utility model is made up of shelter connection part I, cross coupling shaft parts II, Adjustable Damping vibration isolator assembly III, five parts of length adjustment assembly IV, equipment connection part V; Wherein, the cross joint 01 among the shelter connection part I is connected by the coupling shaft 04 among the cross coupling shaft parts II with the swivel nut 05 that is connected of Adjustable Damping vibration isolator assembly III; The end of length adjustment assembly IV is connected with the equipment connection part V that the shelter steel connects, and the other end is connected with the length adjustment screw rod 16 of Adjustable Damping vibration isolator assembly III; Adjustable Damping vibration isolator assembly III forms adjustable damper by step screw rod 12, trip ring 09, outer conical ring 08, butterfly spring 11 and slide plate 10, locking nut 17, trip ring 09 is slit into three equal parts with a full circle inner cone ring cutting, cooperate with outer conical ring 08, by rotational lock nut 17 changes positive pressure between the two, to reach the purpose of regulating damping, the butterfly spring 11 of accurate zero stiffness is housed at trip ring 09 front end, the wear extent of damper friction surface can be carried out self compensation by butterfly spring 11; Form vibration isolator by cylinder 13, main extension spring 00, steel net pad 06, connection swivel nut 05, catch 07, Adjusting bolt Adjusting screw 15 and spring housing 14; Main extension spring 00 is cylindrical screw spring or butterfly spring, be enclosed within on the spring housing 14, at cylinder 13 right-hand members connection swivel nut 05, steel net pad 06, catch 07 are housed, change the loadings of steel net pad 06, the swivel nut 05 of being rotatably connected changes itself and the space size of 07 of catch, and the rigidity and the realization that can change steel net pad 06 are spacing.Length adjustment assembly IV is made up of length adjustment screw rod 16 and left-handed fastening screw nut 26 thereof.
Shelter connection part I is connected the pull bar vibration isolator with the shelter launch vehicle: connecting plate 27 is connected with launch vehicle, be connected with cross joint 01 in the cross coupling shaft parts by bearing pin 02, cross coupling shaft parts are made up of cross joint 01, baffle ring 03, coupling shaft 04, joint shaft bearing B1 etc.Adjustable Damping pull bar vibration isolator assembly one end is linked to each other with joint shaft bearing B1 in the cross coupling shaft parts by step screw rod 12.On step screw rod 12, load onto at first successively slide plate 10, butterfly spring 11, trip ring 09 and outside conical ring 08, regulate damping force with locking nut 17, at one end load onto then and connect swivel nut 05, steel net pad 06, catch 07, the other end adds cylinder 13, main spring 00 is contained on the spring housing 14, reinstall cylinder 13, screw with Adjusting bolt Adjusting screw 15.Length adjustment screw rod 16 connects the left-handed nut 26 of going forward side by side and has just formed length adjustment assembly IV.Link to each other with spring seat 14 among the Adjustable Damping vibration isolator assembly III with the length adjustment screw rod 16 among the length adjustment assembly IV, with locking nut 17 lockings; Link to each other with the connecting ring 18 among the equipment connection part V, with left-handed fastening screw nut 26 lockings.Equipment connection part V is made up of connecting ring 18, pin 19, equipment fitting seat 20, magnet assembly 30.Equipment fitting seat 20 is installed on the electronic equipment bottom, links to each other with connecting ring 18 with pin 19.Pin 19 inserts the middle part has an arc groove to link to each other with connecting ring 18, and the end is sucked by magnet assembly 30.
Claims (2)
1. one kind switches fast Adjustable Damping pull bar vibration isolator, it is characterized in that this vibration isolator is made up of shelter connection part (I), cross coupling shaft parts (II), Adjustable Damping vibration isolator assembly (III), length adjustment assembly (IV), five parts of equipment connection part (V); Wherein, the cross joint (01) in the shelter connection part (I) is connected by the coupling shaft (04) in the cross coupling shaft parts (II) with the swivel nut (05) that is connected of Adjustable Damping vibration isolator assembly (III); One end of length adjustment assembly (IV) is connected with the equipment connection part (V) that the shelter steel connects, and the other end is connected with the length adjustment screw rod (16) of Adjustable Damping vibration isolator assembly (III); Adjustable Damping vibration isolator assembly (III) is formed adjustable damper by step screw rod (12), trip ring (09), outer conical ring (08), butterfly spring (11) and slide plate (10), locking nut (17), trip ring (09) is slit into three equal parts with a full circle inner cone ring cutting, cooperate with outer conical ring (08), by rotational lock nut (17) change positive pressure between the two, to reach the purpose of regulating damping, the butterfly spring (11) of accurate zero stiffness is housed at trip ring (09) front end, the wear extent of damper friction surface can be carried out self compensation by butterfly spring (1); Form vibration isolator by cylinder (13), main extension spring (00), steel net pad (06), connection swivel nut (05), catch (07), Adjusting bolt Adjusting screw (15) and spring housing (14); Main extension spring (00) is cylindrical screw spring or butterfly spring, be enclosed within on the spring housing (14), at cylinder (13) right-hand member connection swivel nut (05), steel net pad (06), catch (07) are housed, change the loadings of steel net pad (06), the swivel nut (05) that is rotatably connected changes the space size between itself and catch (07), can change the rigidity of steel net pad (06) and realize spacing.
2. according to claims 1 described quick switching Adjustable Damping pull bar vibration isolator, it is characterized in that described length adjustment assembly (IV) is made up of length adjustment screw rod (16) and left-handed fastening screw nut (26) thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200399914U CN201215154Y (en) | 2008-07-18 | 2008-07-18 | Quickly dismounted damping adjustable drawbar vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200399914U CN201215154Y (en) | 2008-07-18 | 2008-07-18 | Quickly dismounted damping adjustable drawbar vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215154Y true CN201215154Y (en) | 2009-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200399914U Expired - Lifetime CN201215154Y (en) | 2008-07-18 | 2008-07-18 | Quickly dismounted damping adjustable drawbar vibration isolator |
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| Country | Link |
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| CN (1) | CN201215154Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869956A (en) * | 2010-06-22 | 2010-10-27 | 重庆望江工业有限公司 | Method for manufacturing two-way threaded-insert type tension spring |
| CN102979810A (en) * | 2012-12-21 | 2013-03-20 | 安徽巨一自动化装备有限公司 | Connecting rod with vibration absorbing capacity |
| CN105650197A (en) * | 2016-03-19 | 2016-06-08 | 沈阳工业大学 | Shock isolation device adopting tension spring with single-ended bidirectional movement function |
| CN105805213A (en) * | 2016-05-13 | 2016-07-27 | 武汉中电华瑞科技发展有限公司 | Anti-vibration impact-resistant rear part vibration isolator |
| CN108286579A (en) * | 2018-01-25 | 2018-07-17 | 王快乐 | A kind of transform shock absorber |
-
2008
- 2008-07-18 CN CNU2008200399914U patent/CN201215154Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869956A (en) * | 2010-06-22 | 2010-10-27 | 重庆望江工业有限公司 | Method for manufacturing two-way threaded-insert type tension spring |
| CN101869956B (en) * | 2010-06-22 | 2012-10-03 | 重庆望江工业有限公司 | Method for manufacturing two-way threaded-insert type tension spring |
| CN102979810A (en) * | 2012-12-21 | 2013-03-20 | 安徽巨一自动化装备有限公司 | Connecting rod with vibration absorbing capacity |
| CN105650197A (en) * | 2016-03-19 | 2016-06-08 | 沈阳工业大学 | Shock isolation device adopting tension spring with single-ended bidirectional movement function |
| CN105805213A (en) * | 2016-05-13 | 2016-07-27 | 武汉中电华瑞科技发展有限公司 | Anti-vibration impact-resistant rear part vibration isolator |
| CN105805213B (en) * | 2016-05-13 | 2018-11-09 | 武汉中电华瑞科技发展有限公司 | A kind of anti-vibration shock resistance type back vibration isolator |
| CN108286579A (en) * | 2018-01-25 | 2018-07-17 | 王快乐 | A kind of transform shock absorber |
| CN108286579B (en) * | 2018-01-25 | 2019-05-03 | 王快乐 | A kind of transform shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |