Spring vibration isolator with height fine adjustment function
Technical Field
The invention relates to the technical field of spring vibration isolators, in particular to a spring vibration isolator with a height fine adjustment function.
Background
Spring isolators are elastomeric elements that connect equipment to a foundation to reduce and eliminate vibration forces and vibrations transmitted from the equipment to the foundation. Typically where the static compression is greater than 5 cm or where temperature and other environmental conditions do not permit the use of rubber or like materials. The spring shock absorber has the advantages of low frequency and large damping of the steel spring shock absorber, and eliminates the inherent resonance amplitude phenomenon of the steel spring.
Although the spring isolator on the existing market is very many in kind and quantity, most of spring isolators are not convenient for realize the fine setting of height, and the slipmat is worn and torn easily, is not convenient for change damping spring, and ground can produce the inhomogeneous phenomenon of atress at ordinary times, therefore urgent need on the market can improve the technique that has the spring isolator structure of high fine setting function, perfects this equipment.
Disclosure of Invention
The invention aims to provide a spring vibration isolator with a height fine adjustment function, and aims to solve the problems that the spring vibration isolator in the prior market is inconvenient to realize the height fine adjustment, a non-slip mat is easy to wear, a damping spring is inconvenient to replace, and the stress is uneven when the ground is uneven.
In order to achieve the purpose, the invention provides the following technical scheme: a spring vibration isolator with a height fine adjustment function comprises a top plate and a force equalizing spring, wherein the top of the top plate is coated with an adhesive, and a non-slip mat is adhered to the top of the adhesive;
the top of the non-slip mat is coated with a wear-resistant layer, the bottom of the top plate is connected with a telescopic plate, one side of the telescopic plate is provided with a connecting plate, an operation groove is formed in the connecting plate close to the telescopic plate, two sides of the telescopic plate are connected with first limiting blocks, two sides of the operation groove close to the first limiting blocks are provided with limiting grooves, a threaded rod is connected in the connecting plate in a penetrating mode, and one end, close to the operation groove, of the threaded rod is connected with a second limiting block;
a bottom plate is arranged at the bottom of the top plate, a convex block is fixed on each of the bottom plate and one side of the top plate, a connecting block is arranged on one side of each convex block, a damping spring is connected between the connecting blocks, a connecting groove is formed in the connecting block close to each convex block, and a bolt is connected between each convex block and the connecting block;
the bottom plate top is fixed with the riser, be connected with two-way threaded rod between the riser, be close to two-way threaded rod be connected with the guide bar between the riser, be connected with the slider between guide bar and the two-way threaded rod, connecting plate one side is fixed with first fixed block, first fixed block all is connected with the first connecting axle with slider one side, be connected with the head rod between the first connecting axle, the bottom plate top is fixed with the second fixed block, second fixed block all is connected with the second connecting axle with slider one side, be connected with the second connecting rod between the second connecting axle, the bottom plate bottom is connected with the base, the spring coupling of equalling force is inside the base.
Preferably, the wear-resistant layer takes graphite as a base material, and the transverse section of the wear-resistant layer is the same as that of the non-slip mat.
Preferably, constitute sliding connection through the operation groove between expansion plate and the connecting plate, and expansion plate, connecting plate and operation groove all are provided with two sets ofly to two sets of expansion plate, connecting plate and operation groove all are about the central line symmetric distribution of roof.
Preferably, a sliding connection is formed between the first limiting block and the limiting groove, and the first limiting block and the expansion plate are of an integral structure.
Preferably, a threaded connection is formed between the threaded rod and the connecting plate, and a rotating structure is formed between the threaded rod and the second limiting block.
Preferably, the protruding block and the connecting block form a sliding connection through a connecting groove, and the protruding block, the connecting block and the bolt form a threaded connection.
Preferably, an expansion structure is formed between the connecting blocks through damping springs, twelve groups of the connecting blocks are arranged, and six groups of the damping springs are arranged.
Preferably, a rotating structure is formed between the bidirectional threaded rod and the vertical plate, the bidirectional threaded rod is in threaded connection with the sliding block, and the sliding block is in sliding connection with the guide rod.
Preferably, the first fixed block and the second fixed block have the same size, and a rotating structure is formed among the first fixed block, the sliding block and the first connecting rod through the first connecting shaft, and a rotating structure is formed among the second fixed block, the sliding block and the second connecting rod through the second connecting shaft.
Preferably, the base is made of silica gel, and a telescopic structure is formed between the base and the force equalizing spring.
Compared with the prior art, the invention has the beneficial effects that: this spring isolator with high fine setting function:
1. the bidirectional threaded rod is rotated, can perform threaded sliding along the vertical plate, can drive the sliding block to perform threaded sliding along the sliding block when the bidirectional threaded rod rotates, can move along the guide rod when the sliding block slides, can drive the first connecting shaft and the second connecting shaft to move at the moment, can pull the first connecting shaft, can adjust the angle through another group of first connecting shafts, can pull the second connecting shaft at the same time, can adjust the angle through another group of second connecting shafts, can expand the first connecting shaft and the second connecting shaft outwards, and can jack up the expansion plate through the stress point of the first fixed block, so that the top plate can be driven to perform height adjustment;
2. the second limiting block is arranged, the threaded rod is rotated, threaded sliding can be carried out on the threaded rod along the connecting plate, the threaded rod can rotate along the second limiting block while sliding in a threaded mode, so that the second limiting block can be pushed, the second limiting block can slide along the operation groove, and when the expansion plate is stressed to slide downwards along the operation groove, the sliding range of the expansion plate can be limited by the second limiting block, and vertical limiting is facilitated;
3. the device is arranged on the ground, the convex surface of the ground extrudes the base in the same direction, so that the base can be kept horizontal with the ground, the base can extrude the equalizing spring, the damping spring is kept horizontal and vertical to the ground, the base can extrude the equalizing spring through force transmission when the base is extruded downwards by the stress of the bottom plate, the equalizing spring can uniformly diffuse the extrusion force, and the uneven stress caused by the uneven two ends is avoided;
4. the wear-resistant layer is arranged on the top plate, the adhesive is a chloroprene rubber adhesive, vulcanization cannot be generated at normal temperature, so that the edge of the non-slip mat can be prevented from being warped, meanwhile, the wear-resistant layer is coated on the top of the non-slip mat, and the graphite in the wear-resistant layer has certain hardness, so that the effects of impact resistance and wear resistance can be achieved, and the slipping mat can be prevented from being warped, fallen off and easily worn and damaged;
5. be provided with lug and connecting block, the bolt rotates, and the bolt can carry out the screw thread slip along lug and connecting block, and after bolt screw thread roll-off lug and connecting block were inside, press damping spring, damping spring can contract through the characteristic of self, can drive lug and connecting block separation through the spread groove this moment, makes damping spring and roof, bottom plate separation, is convenient for change damping spring.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
FIG. 5 is an enlarged view of the part B of the present invention.
In the figure: 1. a top plate; 2. a binder; 3. a non-slip mat; 4. a wear layer; 5. a retractable plate; 6. a connecting plate; 7. an operation slot; 8. a first stopper; 9. a limiting groove; 10. a threaded rod; 11. a second limiting block; 12. a base plate; 13. a bump; 14. connecting blocks; 15. a damping spring; 16. connecting grooves; 17. a bolt; 18. a vertical plate; 19. a bidirectional threaded rod; 20. a guide bar; 21. a slider; 22. a first fixed block; 23. a first connecting shaft; 24. a first connecting rod; 25. a second fixed block; 26. a second connecting shaft; 27. a second connecting rod; 28. a base; 29. a uniform force spring.
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 spring vibration isolator with a height fine adjustment function comprises a top plate 1, an adhesive 2, a non-slip mat 3, a wear-resistant layer 4, a telescopic plate 5, a connecting plate 6, an operation groove 7, a first limiting block 8, a limiting groove 9, a threaded rod 10, a second limiting block 11, a bottom plate 12, a convex block 13, a connecting block 14, a damping spring 15, a connecting groove 16, a bolt 17, a vertical plate 18, a bidirectional threaded rod 19, a guide rod 20, a sliding block 21, a first fixing block 22, a first connecting shaft 23, a first connecting rod 24, a second fixing block 25, a second connecting shaft 26, a second connecting rod 27, a base 28 and a force-equalizing spring 29, wherein the adhesive 2 is coated on the top of the top plate 1, and the non-slip mat 3 is bonded on the top;
the top of the non-slip mat 3 is coated with a wear-resistant layer 4, the wear-resistant layer 4 uses graphite as a base material, the transverse section of the wear-resistant layer 4 is the same as the transverse section of the non-slip mat 3 in size, the wear-resistant layer 4 is coated on the top of the non-slip mat 3, the graphite in the wear-resistant layer 4 has certain hardness, so that the effects of impact resistance and wear resistance can be achieved, the bottom of the top plate 1 is connected with a telescopic plate 5, the telescopic plate 5 and a connecting plate 6 form sliding connection through an operation groove 7, the telescopic plate 5, the connecting plate 6 and the operation groove 7 are provided with two groups, the two groups of telescopic plates 5, the connecting plate 6 and the operation groove 7 are symmetrically distributed about the central line of the top plate 1, the top plate 1 is extruded to push the telescopic plate 5, the telescopic plate 5 can slide outwards along the operation groove 7, one side of the telescopic plate 5 is provided with the connecting plate 6, the, the two sides of the expansion plate 5 are connected with first limit blocks 8, the first limit blocks 8 are in sliding connection with the limit grooves 9, the first limit blocks 8 and the expansion plate 5 are in an integral structure, the expansion plate 5 can drive the first limit blocks 8 to move when sliding downwards, the first limit blocks 8 can slide along the limit grooves 9 when moving, the limit grooves 9 are formed on two sides of the operation groove 7 close to the first limit blocks 8, a threaded rod 10 is connected inside the connecting plate 6 in a penetrating manner, the threaded rod 10 is in threaded connection with the connecting plate 6, a rotating structure is formed between the threaded rod 10 and the second limit blocks 11, the threaded rod 10 can slide along the connecting plate 6 by rotating the threaded rod 10, the threaded rod 10 can rotate along the second limit blocks 11 when sliding along the threads, so that the second limit blocks 11 can be pushed, and the second limit blocks 11 can slide along the operation groove 7, one end of the threaded rod 10 close to the operation groove 7 is connected with a second limiting block 11;
the bottom of the top plate 1 is provided with a bottom plate 12, a convex block 13 is fixed on the bottom plate 12 and one side of the top plate 1, the convex block 13 and a connecting block 14 form sliding connection through a connecting groove 16, and the lug 13, the connecting block 14 and the bolt 17 form a threaded connection, and when the bolt 17 is rotated, the bolt 17 can perform threaded sliding along the lug 13 and the connecting block 14, connecting blocks 14 are arranged on one side of the convex block 13, a telescopic structure is formed between the connecting blocks 14 through damping springs 15, twelve groups of connecting blocks 14 are arranged, and the damping spring 15 is provided with six groups, and when the damping spring 15 is pressed, the damping spring 15 can contract by the characteristic of itself, at this time, the connecting groove 16 can drive the lug 13 to separate from the connecting block 14, a damping spring 15 is connected between the connecting blocks 14, a connecting groove 16 is formed in the connecting block 14 close to the lug 13, and a bolt 17 is connected between the lug 13 and the connecting block 14;
the top of the bottom plate 12 is fixed with a vertical plate 18, a bidirectional threaded rod 19 is connected between the vertical plates 18, a rotating structure is formed between the bidirectional threaded rod 19 and the vertical plate 18, a threaded connection is formed between the bidirectional threaded rod 19 and a sliding block 21, a sliding connection is formed between the sliding block 21 and a guide rod 20, the bidirectional threaded rod 19 is rotated, the bidirectional threaded rod 19 can slide along the vertical plate 18, the sliding block 21 can be driven to slide along the threads when the bidirectional threaded rod 19 rotates, the sliding block 21 can move along the guide rod 20 while sliding, the guide rod 20 is connected between the vertical plates 18 close to the bidirectional threaded rod 19, the sliding block 21 is connected between the guide rod 20 and the bidirectional threaded rod 19, a first fixed block 22 is fixed on one side of the connecting plate 6, the first fixed block 22 is the same as a second fixed block 25 in size, and a rotating structure is formed among the first fixed block 22, the sliding block 21 and a, and the second fixing block 25, the sliding block 21 and the second connecting rod 27 form a rotating structure through the second connecting shaft 26, the sliding block 21 drives the first connecting shaft 23 and the second connecting shaft 26 to move, the first connecting shaft 23 pulls the first connecting rod 24, the first connecting rod 24 adjusts the angle through another group of first connecting shafts 23, the second connecting shaft 26 pulls the second connecting rod 27, the second connecting rod 27 adjusts the angle through another group of second connecting shafts 26, so that the first connecting rod 24 and the second connecting rod 27 expand outwards, the expansion plate 5 is jacked up through the stress point of the first fixing block 22, the first connecting shaft 23 is connected to both sides of the first fixing block 22 and the sliding block 21, the first connecting rod 24 is connected between the first connecting shafts 23, the second fixing block 25 is fixed to the top of the bottom plate 12, the second connecting shafts 26 are connected to both sides of the second fixing block 25 and the sliding block 21, be connected with second connecting rod 27 between the second connecting axle 26, bottom plate 12 bottom is connected with base 28, base 28 is the silica gel material, and constitutes extending structure between base 28 and the equalizing force spring 29, and the convex surface on ground extrudes base 28 to the syntropy, makes base 28 can keep the level with ground, and base 28 can extrude equalizing force spring 29, makes damping spring 15 keep the level perpendicular with ground, and base 28 can extrude equalizing force spring 29 through the propagation of power when bottom plate 12 atress extrudees base 28 downwards this moment, and equalizing force spring 29 then can the even diffusion extrusion force, equalizing force spring 29 connects inside base 28.
The working principle is as follows: when the spring vibration isolator with the height fine adjustment function is used, firstly, the top plate 1 is coated with the adhesive 2, the adhesive 2 is made of chloroprene rubber and can not generate vulcanization under the normal temperature condition, so that the edge of the non-slip mat 3 can be prevented from being warped, meanwhile, the top of the non-slip mat 3 is coated with the wear-resistant layer 4, the graphite in the wear-resistant layer 4 has certain hardness, so that the effects of impact resistance and wear resistance can be achieved, the edge of the non-slip mat 3 is prevented from falling off and being easily worn and damaged, then the equipment is placed on the ground, the base 28 is extruded by the convex surface of the ground in the same direction, so that the base 28 can be kept horizontal with the ground, then the threaded rod 10 is rotated according to requirements, the threaded rod 10 can perform threaded sliding along the connecting plate 6, the threaded rod 10 can rotate along the second limiting block 11 while performing threaded sliding, so that the second limiting block 11 can be, at this time, when the expansion plate 5 is forced to slide downwards along the operation slot 7, the second limiting block 11 limits the sliding range, then the two-way threaded rod 19 is rotated, the two-way threaded rod 19 can slide along the vertical plate 18 in a threaded manner, when the two-way threaded rod 19 is rotated, the sliding block 21 can be driven to slide along the threads thereof, the sliding block 21 can move along the guide rod 20 while sliding, at this time, the sliding block 21 can drive the first connecting shaft 23 and the second connecting shaft 26 to move, the first connecting shaft 23 can pull the first connecting rod 24, the first connecting rod 24 can adjust the angle through another group of the first connecting shaft 23, the second connecting shaft 26 can pull the second connecting rod 27, the second connecting rod 27 can adjust the angle through another group of the second connecting shaft 26, so that the first connecting rod 24 and the second connecting rod 27 expand outwards, the expansion plate 5 is jacked up through the force-bearing point of the first fixing block 22, thereby driving the top plate 1 to adjust the height, when the equipment is stressed to extrude the base 28 downwards, the base 28 extrudes the force equalizing spring 29 through the force propagation, the force equalizing spring 29 can uniformly diffuse the extrusion force, which is convenient to avoid the uneven stress caused by the uneven two ends, and finally the damping spring 15 is aged and damaged due to the long-time use, at the moment, the bolt 17 is rotated, the bolt 17 can perform the threaded sliding along the lug 13 and the connecting block 14, when the bolt 17 slides out of the bump 13 and the connecting block 14, and then the damping spring 15 is pressed, the damping spring 15 will contract according to its own characteristics, and at this time, the connecting groove 16 can drive the bump 13 to separate from the connecting block 14, so that the damping spring 15 is separated from the top plate 1 and the bottom plate 12, and the damping spring 15 can be conveniently replaced.
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.