CN114017462A - Ball groove oil pressure combined type shock attenuation platform - Google Patents
Ball groove oil pressure combined type shock attenuation platform Download PDFInfo
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- CN114017462A CN114017462A CN202111281836.XA CN202111281836A CN114017462A CN 114017462 A CN114017462 A CN 114017462A CN 202111281836 A CN202111281836 A CN 202111281836A CN 114017462 A CN114017462 A CN 114017462A
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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
- F16F15/022—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 dampers and springs in combination
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
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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
- F16F15/023—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 fluid means
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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
- F16F15/06—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 metal springs
- F16F15/067—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 metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of mechanical shock absorption, in particular to a ball groove oil pressure combined type shock absorption platform which comprises a base, wherein a circular groove boss is arranged at the top end of the base, a plurality of groups of lower ball grooves are uniformly formed at the top end of the circular groove boss, a plurality of groups of balls are connected on the lower ball grooves in a rolling manner, a plurality of groups of upper ball grooves are uniformly formed at the top end of the upper groove platform, the radial cross sections of the lower ball grooves and the upper ball grooves are arc-shaped, the middle depth of the lower ball grooves and/or the upper ball grooves is larger than the depth of the tangential two ends of the lower ball grooves and/or the upper ball grooves, the middle parts of the lower ball grooves and/or the upper ball grooves are smoothly transited to the tangential two ends of the lower ball grooves and/or the upper ball grooves, a plurality of groups of oil pressure shock absorbers are uniformly and detachably and fixedly arranged at the top of the outer side end of a shell, and a carrying platform is detachably and fixedly arranged at the top output ends of the plurality of the oil pressure shock absorbers, the invention provides a ball groove oil pressure combined type damping platform which can damp multiple degrees of freedom and is easy to replace.
Description
Technical Field
The invention relates to the technical field of mechanical shock absorption, in particular to a ball groove oil pressure combined type shock absorption platform.
Background
Earthquake is one of the main natural disasters on the earth, and once the earthquake reaches a certain intensity, the earthquake often has great destructive power. In the big data era, data transmission and storage are very important links, but when an earthquake comes, strong shaking and vibration are likely to cause interruption of data transmission of related equipment and even loss of stored data, and bad influence is brought to production and life of people. In addition, some precision mechanical equipment and high-priced art are also likely to be damaged under the influence of earthquakes. It is important to provide damping protection for these objects and other objects requiring damping measures in the earthquake zone, and therefore, a damping device having a wide application range, good damping performance, and strong adaptability, and capable of absorbing longitudinal waves and transverse waves of an earthquake at the same time is needed.
The existing damping platform mainly has two types: one is a two-degree-of-freedom plane damping system adopting a pulley guide rail type, the adaptability to scenes is limited, the guide rail needs to be replaced when the track is changed, and the system is complicated and has poor damping effect; the other type is a spring damping type damping system, and due to the limitation of a spring, the damping can be carried out only along the axial direction of the spring, the damping freedom degree is less, and the elasticity of the spring is easy to attenuate.
Disclosure of Invention
The invention aims to provide a ball groove oil pressure combined type damping platform which can damp with multiple degrees of freedom and is easy to replace so as to solve the problems in the background technology.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a ball groove oil pressure combined type shock absorption platform comprises a base, wherein a circular groove boss is arranged at the top end of the base, a plurality of groups of lower ball grooves are uniformly formed in the top end of the circular groove boss, a plurality of groups of balls are connected to the lower ball grooves in a rolling manner, a plurality of groups of upper ball grooves are uniformly formed in the bottom end of an upper groove platform at the upper ends of the balls in a rolling manner, the plurality of groups of upper ball grooves and the plurality of groups of lower ball grooves are arranged in a one-to-one correspondence manner, the radial cross sections of the lower ball grooves and the upper ball grooves are arc-shaped, the depth of the middle parts of the lower ball grooves and/or the upper ball grooves is larger than the depth of the tangential two ends of the lower ball grooves and/or the upper ball grooves, the middle parts of the lower ball grooves and/or the upper ball grooves are smoothly transited to the tangential two ends of the lower ball grooves and/or the upper ball grooves, the upper groove platform is connected with a shell through a motion transmission blocking structure, and a plurality of groups of oil pressure shock absorbers are uniformly and detachably fixedly arranged at the top of the outer side end of the shell, the top output ends of the plurality of groups of hydraulic shock absorbers are detachably and fixedly provided with object stages.
Furthermore, four corners of the base and the object stage are respectively and symmetrically provided with four groups of base mounting holes and four groups of object stage mounting holes.
Furthermore, a plurality of groups of first reinforcing ribs are uniformly arranged on the connecting part between the circular groove boss and the base.
Further, still including keeping ware and pivot, keep ware bottom middle part fixed connection pivot, base top middle part is provided with the bearing frame, the pivot rotates through angular contact bearing and connects on the bearing frame, evenly seted up a plurality of groups spacing hole on keeping the ware, the spacing activity of ball sets up in this spacing downthehole.
Furthermore, four groups of limiting holes are uniformly formed in the lower ball groove and the upper ball groove, two limiting hole groups are arranged on each limiting hole group, and a gap is formed between the two limiting holes in the same group.
Furthermore, a plurality of groups of second reinforcing ribs are uniformly arranged in the middle of the bottom end of the upper groove platform.
Further, motion transmission separation structure contains the arc guide rail that a plurality of groups evenly set up and the arc slider that a plurality of groups evenly set up, and a plurality of arc guide rail of group and a plurality of arc slider one-to-ones setting of group, go up slot platform top edge and evenly seted up a plurality of groups and sink the groove, a plurality of arc guide rail of group set up respectively in a plurality of groups sink the inslot, a plurality of arc slider fixed connection of group in the casing bottom, arc slider sliding connection arc guide rail, the centre of a circle of arc guide rail and the centre of a circle coaxial line of arc slider.
Furthermore, four groups of arc-shaped guide rails, arc-shaped sliding blocks and sinking grooves are arranged.
Further, the oil pressure damper comprises a lower support, an upper support, a lower sleeve, an upper sleeve, a bottom valve, a pressure cylinder, a piston rod, a piston and a spring, wherein the lower support is fixedly arranged at the top of the outer side end of the shell, the upper support is spliced and slidably connected to the upper portion of the lower support, the lower sleeve is fixedly arranged in the middle of the top end of the lower support, the bottom valve is fixedly arranged at the bottom end of the inner cavity of the lower sleeve, the upper end of the pressure cylinder is embedded in the bottom end of the upper portion of the lower sleeve, the bottom end of the pressure cylinder tightly presses the top end of the bottom valve, the bottom end of the piston rod is fixedly connected with the piston, the piston is slidably connected with the inner wall of the pressure cylinder, a plurality of groups of oil seepage holes which penetrate through up and down are formed in the piston rod, the piston rod penetrates through and is slidably connected with the middle of the top end of the lower sleeve, the upper sleeve is slidably sleeved on the lower sleeve, and the upper end of the piston rod is screwed with the middle of the bottom end of the upper sleeve, the spring is sleeved outside the lower sleeve and the upper sleeve, and two ends of the spring are respectively pressed and contacted with the top end face of the middle part of the lower support and the bottom end face of the top lug boss of the upper sleeve.
Further, still include spiral cover, bolt, first nut and second nut, two sets of screw holes have been seted up to the bottom suspension left and right sides symmetry, the bottom suspension passes through two sets of screw fixed mounting at casing outside end top, spiral cover threaded connection is at last sleeve top, the bolt head sets up inside the spiral cover, bolt pole portion passes the bolt hole that sets up in spiral cover top middle part and threaded connection first nut between spiral cover top outside end and upper bracket upper end bottom, bolt pole portion still runs through upper bracket top middle part and through the second nut with objective table fixed connection on the upper bracket top.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is fixedly arranged on the ground through four groups of base mounting holes, at the moment, the weight of the upper end mechanism and articles is borne by a plurality of groups of balls arranged on the lower ball groove and the upper ball groove in a rolling manner, when earthquake transverse waves arrive, the base can shake in a direction vertical to the earthquake transverse wave propagation direction under the driving of the earthquake transverse waves, the plurality of groups of balls can roll in the lower ball groove and the upper ball groove synchronously, the synchronous rolling is relative to the movement of a circular groove boss on the base, an upper groove platform at the upper end of the balls can rotate and slightly lift in height, the rotation can be overcome due to the arrangement of a movement transmission blocking structure, and meanwhile, the oil pressure shock absorber is slightly compressed, so that the stability of the object carrying platform and the articles on the object carrying platform is ensured; when an earthquake longitudinal wave arrives, the base can shake up and down, and the shake can be overcome well through the arranged oil pressure shock absorber, so that the relative stability of the article is ensured; the multi-degree-of-freedom shock absorption of the whole device can be realized through comprehensive use.
2. Because the oil pressure bumper shock absorber bottom is in the same place through screw and casing installation, the oil pressure bumper shock absorber top is in the same place through bolt and second nut and objective table installation, simultaneously because the spin is the rolling contact with ring form slot boss and last slot platform and is connected to can guarantee whole device easy to assemble and dismantle, and then carry out the change of shock attenuation part according to the use occasion of difference, have fine suitability.
Drawings
FIG. 1 is a bottom left-hand exploded view of the present invention;
FIG. 2 is an exploded top right perspective view of the present invention;
FIG. 3 is a structural view of the retainer of the present invention;
FIG. 4 is a structural view of an upper trench landing of the present invention;
FIG. 5 is a structural view of the housing of the present invention;
FIG. 6 is a longitudinal sectional view of the oil damper of the invention;
fig. 7 is a structural view of the present invention.
The reference numbers in the drawings are: 1-base, 101-base mounting hole, 2-circular groove boss, 201-lower ball groove, 3-first reinforcing rib, 4-bearing seat, 5-angular contact bearing, 6-ball, 7-retainer, 701-limit hole, 8-rotating shaft, 9-upper groove platform, 901-upper ball groove, 902-sink groove, 10-second reinforcing rib, 11-arc guide rail, 12-shell, 13-arc slide block, 14-oil damper, 1401-lower support, 14011-screw hole, 1402-upper support, 1403-lower sleeve, 1404-upper sleeve, 1405-bottom valve, 1406-pressure cylinder, 1407-piston rod, 1408-piston, 14081-oil-penetrating hole, 1409-spring, 1410-rotary cover, 1411-bolt, 1412-first nut, 1413-second nut, 15-stage, 1501-stage mounting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 7, a ball groove oil pressure combined type damping platform comprises a base 1, a circular groove boss 2 is arranged at the top end of the base 1, a plurality of groups of lower ball grooves 201 are uniformly arranged at the top end of the circular groove boss 2, a plurality of groups of balls 6 are connected on the lower ball grooves 201 in a rolling manner, a plurality of groups of upper ball grooves 901 are uniformly arranged at the bottom end of an upper groove platform 9 at the upper ends of the plurality of groups of balls 6 in a rolling manner, the plurality of groups of upper ball grooves 901 and the plurality of groups of lower ball grooves 201 are arranged in a one-to-one correspondence manner, the radial cross sections of the lower ball grooves 201 and the upper ball grooves 901 are both arc-shaped, the middle depths of the lower ball grooves 201 and/or the upper ball grooves 901 are larger than the depths of the tangential ends thereof, the middle of the lower ball grooves 201 and/or the upper ball grooves 901 are smoothly transited to the tangential ends thereof, the upper groove platform 9 is connected with a shell 12 through a movement transmission blocking structure, a plurality of groups of oil pressure shock absorbers 14 are uniformly and detachably fixedly mounted at the top of the outer side end of the shell 12, and an objective table 15 is detachably and fixedly mounted at the top output end of the plurality of groups of oil pressure shock absorbers 14.
Four corners of the base 1 and the object stage 15 are symmetrically provided with four groups of base mounting holes 101 and four groups of object stage mounting holes 1501 respectively, the base 1 can be well fixedly mounted on the ground through the four groups of base mounting holes 101, and objects needing damping can be stably and fixedly mounted on the object stage 15 through the four groups of object stage mounting holes 1501.
The connecting part between the circular groove boss 2 and the base 1 is uniformly provided with a plurality of groups of first reinforcing ribs 3, and the strength of connection between the circular groove boss 2 and the base 1 can be ensured through the arranged first reinforcing ribs 3.
Still including keeping ware 7 and pivot 8, keep ware 7 bottom middle part fixed connection pivot 8, 1 top middle part of base is provided with bearing frame 4, and pivot 8 rotates through angular contact bearing 5 to be connected on bearing frame 4, has evenly seted up a plurality of groups spacing hole 701 on keeping ware 7, and 6 spacing activities of ball set up in this spacing hole 701.
The lower ball grooves 201 and the upper ball grooves 901 are uniformly provided with four groups, the retainer 7 is uniformly provided with four groups of limiting holes 701, a single group of the limiting holes 701 is provided with two, an interval is arranged between the two limiting holes 701 in the same group, the retainer 7 can prevent the balls 6 from falling off from the lower ball grooves 201 due to the fact that the movement amplitude of the balls 6 is too large, and mutual collision and interference among the balls 6 are limited.
Go up 9 bottom middle parts of slot platform and evenly be provided with a plurality of groups second strengthening rib 10, can guarantee the intensity of going up 9 bottoms of slot platform through the second strengthening rib 10 that sets up.
Motion transmission separation structure contains the arc guide rail 11 that a plurality of groups evenly set up and the arc slider 13 that a plurality of groups evenly set up, a plurality of arc guide rail 11 of group and a plurality of arc slider 13 one-to-one setting of group, 9 top edges of last slot platform have evenly seted up a plurality of groups sink 902, a plurality of arc guide rail 11 of group set up respectively in a plurality of groups sink 902, a plurality of arc slider 13 fixed connection of group are in casing 12 bottom, arc slider 13 sliding connection arc guide rail 11, the centre of a circle of arc guide rail 11 and the centre of a circle coaxial line of arc slider 13.
The arc-shaped guide rail 11, the arc-shaped sliding block 13 and the sinking groove 902 are provided with four groups, the torsional movement of the upper groove platform 9 can be prevented from being further transmitted to the upper-layer mechanism through the relative movement between the arc-shaped guide rail 11 and the arc-shaped sliding block 13, and meanwhile, the rotation of the shell 12 is limited.
The oil pressure shock absorber 14 comprises a lower support 1401, an upper support 1402, a lower sleeve 1403, an upper sleeve 1404, a bottom valve 1405, a pressure cylinder 1406, a piston rod 1407, a piston 1408 and a spring 1409, wherein the lower support 1401 is fixedly arranged at the top of the outer end of the shell 12, the upper support 1402 is inserted and connected to the upper part of the lower support 1401 in a sliding manner, the lower sleeve 1403 is fixedly arranged in the middle of the top end of the lower support 1401, the bottom valve 1405 is fixedly arranged at the bottom end of the inner cavity of the lower sleeve 1403, the upper end of the pressure cylinder 1406 is embedded in the bottom end of the upper part of the lower sleeve 1403, the bottom end of the pressure cylinder 1406 compresses the top end of the bottom valve 1405, the bottom end of the piston rod 1407 is fixedly connected with the piston 1408, the piston 1408 is connected with the inner wall of the pressure cylinder 1406 in a sliding manner, a plurality of groups of oil penetration holes 14081 which penetrate through from top to bottom are formed in the piston rod 1407 which penetrates through and seals the middle of the top end of the sliding connection of the lower sleeve 1403, the upper sleeve 1404 is sleeved on the lower sleeve 1403 in a sliding manner, the upper sleeve 1404 is connected to the lower sleeve 1403 in a sliding manner, the spring 1409 is sleeved outside the lower sleeve 1403 and the upper sleeve 1404 and two ends of the spring are respectively pressed and contacted with the top end surface of the middle part of the lower support 1401 and the bottom end surface of the top end bulge of the upper sleeve 1404.
The hydraulic shock absorber further comprises a screw cap 1410, a bolt 1411, a first nut 1412 and a second nut 1413, two groups of screw holes 14011 are symmetrically formed in the left side and the right side of the lower support 1401, the lower support 1401 is fixedly mounted at the top of the outer side end of the shell 12 through two groups of screws 16, the screw cap 1410 is in threaded connection with the top of the upper sleeve 1404, the head of the bolt 1411 is arranged inside the screw cap 1410, the rod part of the bolt 1411 penetrates through a bolt hole formed in the middle of the top end of the screw cap 1410 and is in threaded connection with the first nut 1412 between the outer side end of the top end of the screw cap 1410 and the bottom of the upper end of the upper support 1402, the rod part of the bolt 1411 further penetrates through the middle of the top end of the upper support 1402 and is fixedly connected with the object stage 15 through the second nut 1413 at the top end of the upper support 1402, and under the alternating load effect, and the hydraulic shock absorber can form two working states of stretching and compression. When the piston 1408 moves up and down in the pressure cylinder 1406, hydraulic oil can leak out through the oil-leaking hole 14081 of the piston 1408, and since the hole diameter is small, only a small amount of hydraulic oil can pass through under a large pressure, and the faster the movement, the greater the resistance. The vibration energy from the bottom is reduced in the form of internal energy dissipated by hydraulic oil, and simultaneously the relative movement speed of the upper part and the lower part is also alleviated.
When the device is used, the base 1 is fixedly arranged on the ground through four groups of base mounting holes 101, then the retainer 7 is arranged on the angular contact bearing 5 in the bearing seat 4 through the rotating shaft 8 at the bottom end of the retainer, then a plurality of groups of balls 6 are respectively arranged in a plurality of groups of lower ball grooves 201, then the mounted upper groove platform 9 and the housing 12 are arranged on a plurality of groups of balls 6 through a plurality of groups of upper ball grooves 901, then a plurality of groups of oil pressure shock absorbers 14 are fixedly arranged on the housing 12 at the bottom end, and the objective table 15 is fixedly arranged on the upper support 1402 at the upper end of the oil pressure shock absorber 14 through a second nut 1413 and a bolt 1411; when an earthquake primary wave arrives, the base 1 can shake up and down, and the shake can be overcome well through the arranged oil pressure shock absorber 14, so that the relative stability of the article is ensured; when an earthquake transverse wave arrives, the base 1 can shake along the direction vertical to the earthquake transverse wave propagation direction under the driving of the earthquake transverse wave, a plurality of groups of balls 6 can synchronously roll in the lower ball groove 201 and the upper ball groove 901, the synchronous rolling is relative to the movement of the circular groove boss 2 on the base 1, the upper groove platform 9 at the upper end of each ball 6 can rotate and slightly lift up, the balls 6 obtain kinetic energy to roll between the lower ball groove 201 and the upper ball groove 901, because the radial cross sections of the lower ball groove 201 and the upper ball groove 901 are both arc-shaped, the depth of the middle part of the lower ball groove 201 and/or the upper ball groove 901 is larger than the depth of the tangential two ends, and the middle part of the lower ball groove 201 and/or the upper ball groove 901 smoothly transitions to the tangential two ends, the kinetic energy of the balls 6 is further converted into potential energy, and in the kinetic-potential-kinetic energy conversion, the shaking energy is dissipated in the form of internal energy, the rotation can be overcome by arranging the motion transmission blocking structure, and meanwhile, the oil pressure shock absorber 14 is slightly compressed, so that the stability of the object stage and objects on the object stage is ensured; the comprehensive use of the device can well carry out shockproof protection on data transmission and storage equipment, precision mechanical equipment, high-price artworks and the like.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The ball groove oil pressure combined type shock absorption platform is characterized by comprising a base (1), wherein a circular groove boss (2) is arranged at the top end of the base (1), a plurality of groups of lower ball grooves (201) are uniformly formed in the top end of the circular groove boss (2), a plurality of groups of balls (6) are connected to the lower ball grooves (201) in a rolling manner, a plurality of groups of upper ball grooves (901) are uniformly formed in the bottom end of an upper groove platform (9) in a rolling manner at the upper ends of the plurality of groups of balls (6), the plurality of groups of upper ball grooves (901) are arranged in one-to-one correspondence with the plurality of groups of lower ball grooves (201), the radial cross sections of the lower ball grooves (201) and the upper ball grooves (901) are both arc-shaped, the depth of the middle parts of the lower ball grooves (201) and/or the upper ball grooves (901) is greater than the depth of the tangential two ends of the lower ball grooves, and the middle parts of the lower ball grooves (201) and/or the upper ball grooves (901) are smoothly transited to the tangential two ends of the tangential ends of the lower ball grooves, go up slot platform (9) and link to each other with casing (12) through motion transmission separation structure, the even detachable fixed mounting in casing (12) outside end top has a plurality of groups oil pressure bumper shock absorbers (14), and a plurality of groups oil pressure bumper shock absorbers (14) top output is detachable fixed mounting has objective table (15).
2. The ball groove oil pressure combined type damping platform according to claim 1, wherein four corners of the base (1) and the object stage (15) are symmetrically provided with four sets of base mounting holes (101) and four sets of object stage mounting holes (1501), respectively.
3. The ball groove oil pressure combined type damping platform according to claim 1, wherein a plurality of groups of first reinforcing ribs (3) are uniformly arranged at the connecting part between the circular groove boss (2) and the base (1).
4. The ball groove oil pressure combined type damping platform according to claim 1, further comprising a retainer (7) and a rotating shaft (8), wherein the rotating shaft (8) is fixedly connected to the middle of the bottom end of the retainer (7), a bearing seat (4) is arranged in the middle of the top end of the base (1), the rotating shaft (8) is rotatably connected to the bearing seat (4) through an angular contact bearing (5), a plurality of groups of limiting holes (701) are uniformly formed in the retainer (7), and the balls (6) are movably arranged in the limiting holes (701) in a limiting manner.
5. The ball groove oil pressure combined type shock absorption platform as claimed in claim 4, wherein the lower ball groove (201) and the upper ball groove (901) are uniformly provided with four sets, the retainer (7) is uniformly provided with four sets of limiting holes (701), a single set of the limiting holes (701) is provided with two, and a space is provided between two limiting holes (701) of the same set.
6. The ball groove oil pressure combined type damping platform according to claim 1, wherein a plurality of groups of second reinforcing ribs (10) are uniformly arranged in the middle of the bottom end of the upper groove platform (9).
7. The ball groove oil pressure combined type shock absorption platform according to claim 1, wherein the movement transmission blocking structure comprises a plurality of groups of arc-shaped guide rails (11) and a plurality of groups of arc-shaped sliding blocks (13), the groups of arc-shaped guide rails (11) and the groups of arc-shaped sliding blocks (13) are arranged in a one-to-one correspondence manner, a plurality of groups of sunken grooves (902) are uniformly formed in the top edge of the upper groove platform (9), the groups of arc-shaped guide rails (11) are respectively arranged in the groups of sunken grooves (902), the groups of arc-shaped sliding blocks (13) are fixedly connected to the bottom end of the shell (12), the arc-shaped sliding blocks (13) are slidably connected with the arc-shaped guide rails (11), and the circle center of the arc-shaped guide rails (11) and the circle center of the arc-shaped sliding blocks (13) are coaxial.
8. The ball groove oil pressure composite damping platform as claimed in claim 7, wherein the arc guide rail (11), the arc slider (13) and the sink groove (902) are provided with four sets.
9. The ball groove oil pressure composite damping platform as claimed in claim 1, wherein the oil pressure damper (14) comprises a lower support (1401), an upper support (1402), a lower sleeve (1403), an upper sleeve (1404), a bottom valve (1405), a pressure cylinder (1406), a piston rod (1407), a piston (1408) and a spring (1409), the lower support (1401) is fixedly installed on the top of the outer end of the housing (12), the upper support (1402) is inserted and slidably connected on the upper portion of the lower support (1401), the lower sleeve (1403) is fixedly installed in the middle of the top end of the lower support (1403), the bottom valve (1405) is fixedly installed on the bottom end of the inner cavity of the lower sleeve (1403), the upper end of the pressure cylinder (1406) is embedded in the bottom end of the upper portion of the lower sleeve (1403), the bottom end of the pressure cylinder (1406) presses the top end of the bottom valve (1405), the bottom end of the piston rod (1407) is fixedly connected with the piston (1408), piston (1408) sliding connection pressure cylinder (1406) inner wall, set up on piston (1408) a plurality of groups oil-penetrating hole (14081) that run through from top to bottom, piston rod (1407) run through and the sealed sliding connection slide opening that has seted up in the middle part of lower sleeve (1403) top, go up sleeve (1404) slip cup joint under on sleeve (1403), piston rod (1407) upper end screw thread connects in the middle part of sleeve (1404) bottom, spring (1409) cover is established and is pressed tightly contact bottom surface of lower support (1403) middle part and upper sleeve (1404) top bottom surface respectively at the outside and its both ends of lower sleeve (1403) and upper sleeve (1404).
10. The ball groove hydraulic compound shock absorbing platform as claimed in claim 9, further comprising a cap (1410), a bolt (1411), a first nut (1412) and a second nut (1413), two groups of screw holes (14011) are symmetrically arranged at the left side and the right side of the lower support (1401), the lower support (1401) is fixedly arranged at the top of the outer side end of the shell (12) through two groups of screws (16), the screw cap (1410) is connected with the top of the upper sleeve (1404) in a threaded manner, the head of the bolt (1411) is arranged inside the screw cap (1410), the rod part of the bolt (1411) penetrates through a bolt hole arranged in the middle of the top end of the screw cap (1410) and is in threaded connection with a first nut (1412) between the outer side end of the top of the screw cap (1410) and the bottom of the upper end of the upper support (1402), the rod part of the bolt (1411) penetrates through the middle part of the top end of the upper support (1402) and fixedly connects the objective table (15) to the top end of the upper support (1402) through a second nut (1413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281836.XA CN114017462B (en) | 2021-11-01 | 2021-11-01 | Ball groove oil pressure combined type shock attenuation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281836.XA CN114017462B (en) | 2021-11-01 | 2021-11-01 | Ball groove oil pressure combined type shock attenuation platform |
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| JPH10331911A (en) * | 1997-05-30 | 1998-12-15 | Shimin Ri | Vibration reducing device for acoustic equipment and vibration reducing unit |
| JP2000266116A (en) * | 1999-01-14 | 2000-09-26 | Ariigumi:Kk | Swinging bearing type base isolation device |
| JP2001153179A (en) * | 1999-09-14 | 2001-06-08 | Thk Co Ltd | Base isolation device with damping mechanism |
| JP2001193792A (en) * | 1999-10-29 | 2001-07-17 | Itoki Crebio Corp | Ball type base isolation stand |
| KR102094884B1 (en) * | 2019-03-12 | 2020-03-30 | 주식회사 엔타이어세이프시스템 | Base isolation apparatus with improved damping performance |
| CN111218997A (en) * | 2020-02-10 | 2020-06-02 | 吉林农业大学 | Three-dimensional spin shock insulation support |
| CN212055650U (en) * | 2020-04-29 | 2020-12-01 | 池州市安安精工铝业有限公司 | High-strength aluminum alloy automobile shock absorber casing pipe |
| CN113339447A (en) * | 2021-06-17 | 2021-09-03 | 南京工程学院 | Mechanical vibration isolation device |
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2021
- 2021-11-01 CN CN202111281836.XA patent/CN114017462B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331911A (en) * | 1997-05-30 | 1998-12-15 | Shimin Ri | Vibration reducing device for acoustic equipment and vibration reducing unit |
| JP2000266116A (en) * | 1999-01-14 | 2000-09-26 | Ariigumi:Kk | Swinging bearing type base isolation device |
| JP2001153179A (en) * | 1999-09-14 | 2001-06-08 | Thk Co Ltd | Base isolation device with damping mechanism |
| JP2001193792A (en) * | 1999-10-29 | 2001-07-17 | Itoki Crebio Corp | Ball type base isolation stand |
| KR102094884B1 (en) * | 2019-03-12 | 2020-03-30 | 주식회사 엔타이어세이프시스템 | Base isolation apparatus with improved damping performance |
| CN111218997A (en) * | 2020-02-10 | 2020-06-02 | 吉林农业大学 | Three-dimensional spin shock insulation support |
| CN212055650U (en) * | 2020-04-29 | 2020-12-01 | 池州市安安精工铝业有限公司 | High-strength aluminum alloy automobile shock absorber casing pipe |
| CN113339447A (en) * | 2021-06-17 | 2021-09-03 | 南京工程学院 | Mechanical vibration isolation device |
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| CN114017462B (en) | 2023-04-14 |
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