Large-scale spring isolator
Technical Field
The invention relates to the technical field of vibration isolators, in particular to a large-scale spring vibration isolator.
Background
Large spring isolators are one of the most commonly used steel isolators and take the form of a spiral, disc, toroid, or plate. It has the advantages that: the static compression amount is large, the natural frequency is low, and the low-frequency vibration isolation performance is good; can resist the corrosion of oil, water and the like, and the performance is not influenced by the temperature change; it will not age and creep.
What mostly adopted between the base of the large-scale spring isolator who uses today is that welding process connects, just need to have special welding skill's operating personnel can assemble it like this when the installation to make large-scale spring isolator become very strict at assembly process, consequently can't satisfy the demand when the in-service use, need design a large-scale spring isolator that the equipment is more convenient for this reason, with the mounting process who reduces large-scale spring isolator.
Disclosure of Invention
The invention aims to provide a large spring vibration isolator, which aims to solve the problem that the base and the side plates of the large spring vibration isolator used at present in the background technology are connected by adopting a welding process, so that an operator with special welding skills is required to assemble the large spring vibration isolator during installation, the assembly process of the large spring vibration isolator becomes very strict, and the requirement during actual use cannot be met.
In order to achieve the purpose, the invention provides the following technical scheme: a large-scale spring vibration isolator comprises a cover plate, side lugs and side plates, wherein the surface of the cover plate is movably connected with an installation bolt in a penetrating manner, the bottom of the installation bolt is fixedly connected with a butt joint box, the bottom of the butt joint box is connected with a damping spring, the bottom of the damping spring is provided with a base, the surface of the base is provided with a butt joint port, the inside of the butt joint port is movably connected with a clamping bolt, one side of the clamping bolt is movably connected with an extrusion block, one side of the extrusion block, far away from the clamping bolt, is fixedly connected with a bolt, two sides of the base are connected with bolts in a penetrating manner, one side of the surface;
the lifting plate is fixedly connected with the barb, the end, away from the steel ball, of the barb is fixedly connected with a lifting plate, the top of the lifting plate is fixedly connected with a cover plate, the bottom of the cover plate is connected with a rubber ring, the surface of the rubber ring is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a clamping block, and the outer wall of the clamping block is movably connected with a cover plate;
the side plate is fixedly connected with a slide way at two ends, an extension spring is connected inside the slide way, the top of the extension spring is connected with a slide block, one side of the slide block is fixedly connected with a butt joint block, and one end of the butt joint block is fixedly connected with a limiting plate.
Preferably, the two butt joints are arranged at the transverse midline position of the base, the cross section of each butt joint is of an L-shaped structure, and the maximum transverse vertical length between the inner walls of the opening ends of the butt joints is matched with the maximum transverse vertical length of the clamping bolts.
Preferably, the bolt horizontally penetrates through the base to be connected with the inside of the butt joint, the joint of the bolt and the base is in a threaded structure, and the bolt passes through the base, and is in a threaded linkage structure with the clamping bolt and the extrusion block.
Preferably, the number of the convex blocks is four, the four convex blocks are uniformly distributed at four diagonal positions of the surface of the base, and one side of each convex block is respectively and vertically connected with a side lug.
Preferably, the fixed plate is provided with two, and two fixed plates are all parallel to each other about the vertical midline of base to three screw holes have evenly been seted up on every fixed plate surface, and a side ear is connected perpendicularly respectively at every fixed plate both ends moreover.
Preferably, the side plates are provided with two side plates, the two side plates are symmetrical relative to a longitudinal middle parting line of the base, the side plates are of a C-shaped structure, the transverse middle parting line of one opposite side of each side plate is a rectangular opening provided with an inward recess, and a group of steel balls and barbs are arranged inside each side plate.
Preferably, the outer wall of the lifting plate is tangent to the inner wall of the side plate, the maximum transverse vertical length between the lifting plate and the side plate is matched with the maximum transverse vertical length between the steel ball and the barb, and the outer wall of the steel ball and the inner wall of the rectangular opening on the side plate are of a rolling structure.
Preferably, the bottom of the cover plate is provided with a sunken T-shaped opening, the maximum size and the minimum size of the inner part of the T-shaped opening of the cover plate are respectively matched with the connecting block and the clamping block, the clamping block is made of rubber, and the clamping block is in interference connection with the cover plate.
Preferably, the slide is provided with four, and every slide is inside to be hollow structure to every slide is inside to be provided with an expanding spring and a slider respectively, and the rectangle mouth of a fretwork is seted up to the vertical one side outer wall of slide moreover, and the size is greater than the size of butt joint piece between the rectangle mouth inner wall of slide.
Preferably, the two limiting plates are arranged and parallel to each other, and two opposite ends of the two limiting plates are respectively and vertically connected with the butt-joint block.
Compared with the prior art, the invention has the beneficial effects that:
1. when the large-scale spring vibration isolator is used, barb steel balls on two sides of the lifting plate are butted with a rectangular opening in a corresponding side plate, then a clamping bolt at the bottom of the side plate is installed into the base through the butt joint opening, finally bolts on two sides of the base are screwed, and therefore the bolts can drive the clamping bolt to be firmly butted with the inside of the butt joint opening through the extrusion block, and therefore the butt joint mode between the side plate and the base is more convenient.
2. This large-scale spring isolator will correspond the lug when using and dock with the base, and the lug just can drive the side ear and the fixed plate that correspond like this and install the both sides at the base, and the screw hole that corresponds on passing the fixed plate with the adjusting bolt during the installation, just so can select different screw holes on the fixed plate to fix according to actual installation demand when unable adjustment base to it is required to satisfy different installation places.
3. This large-scale spring isolator reciprocates when damping spring, and damping spring can drive the lifter plate through the apron and remove, because the inner wall of rectangle mouth on steel ball outer wall and the curb plate is the rolling structure, the friction between lifter plate and the curb plate will become rolling friction like this to reduce the frictional force between lifter plate and the curb plate, with hoisting device's lift effect.
4. This large-scale spring isolator apron's "T" shape mouth inside maximum dimension and minimum dimension respectively with connecting block and fixture block phase-match, inside "T" shape mouth that the connecting block and the fixture block that pass through the apron with the rubber ring top during use opened the regional stopper into the apron of "T" shape mouth minimum, the rubber ring just can be installed in the apron bottom like this, when the apron falls to the bottom this moment, will receive the isolation of rubber ring between apron and the curb plate to reduce the extrusion force between apron and the curb plate.
5. This large-scale spring isolator limiting plate is provided with two, and is parallel mutually between two limiting plates to a butt joint piece is connected perpendicularly respectively at the both ends of the relative one side of two limiting plates, and two limiting plates will be installed in damping spring's both sides, and when damping spring stretches out and draws back like this, two limiting plates will restrict in damping spring both sides, thereby prevent damping spring to the skew of both sides when flexible.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the present invention A;
FIG. 5 is an enlarged view of the present invention B.
In the figure: 1. a cover plate; 2. installing a bolt; 3. a butt-joint box; 4. a damping spring; 5. a base; 6. a butt joint port; 7. fastening a bolt; 8. extruding the block; 9. a bolt; 10. a recess; 11. a bump; 12. a lateral ear; 13. a fixing plate; 14. a threaded hole; 15. adjusting the bolt; 16. a side plate; 17. steel balls; 18. a barb; 19. a lifting plate; 20. a rubber ring; 21. connecting blocks; 22. a clamping block; 23. a slideway; 24. a tension spring; 25. a slider; 26. a butt joint block; 27. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a large-scale spring vibration isolator comprises a cover plate 1, a mounting bolt 2, a butt joint box 3, a damping spring 4, a base 5, a butt joint port 6, a clamping bolt 7, an extrusion block 8, a bolt 9, a notch 10, a convex block 11, a side lug 12, a fixing plate 13, a threaded hole 14, an adjusting bolt 15, a side plate 16, a steel ball 17, a barb 18, a lifting plate 19, a rubber ring 20, a connecting block 21, a clamping block 22, a slideway 23, a telescopic spring 24, a sliding block 25, a butt joint block 26 and a limiting plate 27, wherein the surface of the cover plate 1 is movably connected with the mounting bolt 2 in a penetrating manner, the bottom of the cover plate 1 is provided with a sunken T-shaped port, the maximum size and the minimum size of the inside of the T-shaped port of the cover plate 1 are respectively matched with the connecting block 21 and the clamping block 22, the clamping block 22 is made of rubber material, the clamping block 22 is in interference connection with the cover plate 1, the connecting block 21 and the clamping block 22 at the top of the, thus, the rubber ring 20 can be installed at the bottom of the cover plate 1, the bottom of the installation bolt 2 is fixedly connected with a butt joint box 3, the bottom of the butt joint box 3 is connected with a damping spring 4, the bottom of the damping spring 4 is provided with a base 5, the surface of the base 5 is provided with two butt joints 6, the two butt joints 6 are both positioned at the transverse midline of the base 5, the section of the butt joint 6 is of an L-shaped structure, the maximum transverse vertical length between the inner walls of the opening ends of the butt joint 6 is matched with the maximum transverse vertical length of the clamping bolt 7, so that the clamping bolt 7 can be completely installed in the butt joint 6 through the opening of the butt joint 6 to meet the installation requirement of the clamping bolt 7, the clamping bolt 7 is movably connected in the butt joint 6, one side of the clamping bolt 7 is movably connected with an extrusion block 8, the extrusion block 8 is far away from one side of the clamping bolt 7 and, bolts 9 penetrate through two sides of the base 5, the bolts 9 horizontally penetrate through the base 5 to be connected with the interior of the butt joint port 6, the joints of the bolts 9 and the base 5 are in a threaded structure, the bolts 9 pass through the base 5 and are in a threaded linkage structure with the clamping bolts 7 and the extrusion blocks 8, the bolts 9 on two sides of the base 5 are screwed, so that the bolts 9 can drive the clamping bolts 7 to be firmly butted with the interior of the butt joint port 6 through the extrusion blocks 8, one side, far away from the butt joint port 6, of the surface of the base 5 is provided with notches 10, and the bottoms of the damping springs 4 are connected with the notches 10;
the surface of the base 5 is embedded with four convex blocks 11, the four convex blocks 11 are arranged, the four convex blocks 11 are uniformly distributed at four opposite corners of the surface of the base 5, one side of each convex block 11 is respectively and vertically connected with a side lug 12, so that when in use, the side lugs 12 can be installed at one side of the base 5 through the butt joint between the convex blocks 11 and the base 5, one end of each side lug 12 is fixedly connected with the convex block 11, one side of each side lug 12 is fixedly connected with a fixing plate 13, the fixing plates 13 are provided with two, the two fixing plates 13 are parallel to each other about the longitudinal midline of the base 5, the surface of each fixing plate 13 is uniformly provided with three threaded holes 14, the two ends of each fixing plate 13 are respectively and vertically connected with one side lug 12, an adjusting bolt 15 penetrates through the corresponding threaded hole 14 on the fixing plate 13, and different threaded holes 14 on the fixing plate 13 can be selected for fixing, the surface of the fixed plate 13 is provided with a threaded hole 14, the interior of the threaded hole 14 is movably connected with an adjusting bolt 15 in a penetrating manner, the bottom of the side plate 16 is fixedly connected with a clamping bolt 7, the number of the side plates 16 is two, the two side plates 16 are symmetrical with each other about a longitudinal midline of the base 5, the side plates 16 are of a C-shaped structure, a transverse midline of the opposite sides of the two side plates 16 is provided with an inward-recessed rectangular opening, a group of steel balls 17 and barbs 18 are arranged inside each side plate 16, so that the lifting plate 19 is limited by the steel balls 17 and the barbs 18 and the tops of the rectangular openings of the side plates 16 in the using process, the lifting plate 19 cannot be completely disconnected with the side plates 16, the inner walls of the side plates 16 are movably connected with the steel balls 17, the outer walls of the steel balls 17 are movably connected with the barbs 18, one ends of the barbs 18 far, the maximum transverse vertical length between the lifting plate 19 and the side plate 16 is matched with the maximum transverse vertical length between the steel ball 17 and the barb 18, and the outer wall of the steel ball 17 and the inner wall of the rectangular opening on the side plate 16 are of a rolling structure, so that the friction between the lifting plate 19 and the side plate 16 is changed into rolling friction, the friction force between the lifting plate 19 and the side plate 16 is reduced, and the lifting effect of the lifting device is improved;
the two ends of the side plate 16 are fixedly connected with slide ways 23, the number of the slide ways 23 is four, the interior of each slide way 23 is of a hollow structure, an expansion spring 24 and a sliding block 25 are respectively arranged in each slide way 23, the outer wall of one longitudinal side of each slide way 23 is provided with a hollowed rectangular opening, the size between the inner walls of the rectangular openings of the slide ways 23 is larger than that of the butt-joint block 26, so that when the slide way is used, a limit plate 27 can move in the slide way 23 through the butt-joint block 26 and the sliding block 25, the actual use requirement is met, the expansion spring 24 is connected in each slide way 23, the sliding block 25 is connected at the top of the expansion spring 24, the butt-joint block 26 is fixedly connected at one side of the sliding block 25, one end of the butt-joint block 26 is fixedly connected with the limit plate 27, the two limit plates 27 are arranged, the two limit plates, thus, when the damper spring 4 expands and contracts, the two stopper plates 27 restrict the damper spring 4 on both sides, thereby preventing the damper spring 4 from shifting to both sides during expansion and contraction.
The working principle is as follows: when the large-scale spring vibration isolator is used, firstly, barbs 18 steel balls 17 on two sides of two lifting plates 19 are butted with rectangular openings on corresponding side plates 16, then a clamping bolt 7 at the bottom of each side plate 16 is installed in the base 5 through a butt joint opening 6, and finally bolts 9 on two sides of the base 5 are screwed, so that the bolts 9 can drive the clamping bolt 7 to be firmly butted with the inside of the butt joint opening 6 through an extrusion block 8, so that the butt joint mode between each side plate 16 and the base 5 is more convenient, the corresponding lug 11 is butted with the base 5, so that the lug 11 can drive the corresponding side lug 12 and the corresponding fixing plate 13 to be installed on two sides of the base 5, during installation, an adjusting bolt 15 penetrates through the corresponding threaded hole 14 on the fixing plate 13, so that different threaded holes 14 on the fixing plate 13 can be selected according to actual installation requirements to be fixed to meet the requirements of different installation places, when the damping spring 4 moves up and down, the damping spring 4 drives the lifting plate 19 to move through the cover plate 1, because the outer wall of the steel ball 17 and the inner wall of the rectangular opening on the side plate 16 are of a rolling structure, the friction between the lifting plate 19 and the side plate 16 becomes rolling friction, so that the friction force between the lifting plate 19 and the side plate 16 is reduced, and the lifting effect of the device is improved, the maximum size and the minimum size of the inner part of the T-shaped opening of the cover plate 1 are respectively matched with the connecting block 21 and the clamping block 22, when in use, the connecting block 21 and the clamping block 22 at the top of the rubber ring 20 are plugged into the inner part of the T-shaped opening of the cover plate 1 through the minimum opening area of the T-shaped opening of the cover plate 1, so that the rubber ring 20 can be installed at the bottom of the cover plate 1, when the cover plate 1 falls to the bottom, the cover plate 1 and the side plate 16 are isolated by the, the two limiting plates 27 are arranged, the two limiting plates 27 are parallel to each other, two opposite ends of each of the two limiting plates 27 are respectively and vertically connected with one butt-joint block 26, the two limiting plates 27 are installed on two sides of the damping spring 4, and thus when the damping spring 4 extends and contracts, the two limiting plates 27 limit two sides of the damping spring 4, so that the damping spring 4 is prevented from deviating towards two sides when extending and contracting, which is a characteristic of a large-sized spring vibration isolator.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.