CN117628100A - Air spring vibration eliminating device - Google Patents

Abstract

The invention relates to an air spring vibration eliminating device, which comprises a bottom shell, wherein a baffle plate is arranged between the inner walls of the bottom shell; an air spring film is fixed in the bottom shell, a movable column is fixed on the top surface of the air spring film, a horizontal damper is fixed on the top surface of the air spring film, a control valve is fixed on the top surface of the bottom shell, and an air inlet hole is formed in the peripheral wall of the bottom shell; rectangular grooves are formed in the top surfaces of the movable columns. When the air spring vibration removing device is used, compressed air can apply pressure to the air spring film, the air spring film moves up and down under the pressure, so that the movable column is driven to move up and down, the movable column drives the top supporting gland and the load at the top of the movable column to move up and down, the load is contacted with the control valve, and further inflation or deflation is controlled, so that the pressure of the air chamber inside the bottom shell is balanced, the floating seat is in a non-hard contact state, vibration is reduced, and the processing and detection precision of equipment is improved.

Description

Air spring vibration eliminating device

Technical Field

The invention relates to the technical field of air spring vibration-eliminating devices, in particular to an air spring vibration-eliminating device.

Background

The air spring is a device for generating elasticity by using gas to inflate, and is composed of an airtight flexible bag and an inflation valve, and the elasticity and hardness of the air spring can be regulated by injecting gas into the inflation valve, so that the air spring is commonly used in the fields of ultra-precise machining, manufacturing, detection and measurement of automobile suspension systems, industrial machinery, optical equipment, semiconductor industry and the like.

The top of air spring is provided with the gland, it can play protection and supporting role, the gland in the air spring structure adopts the interference pressure equipment to be on vibration isolation piece rubber more at present or with two kinds of assembly methods of gland spinning in the upper plenum, first assembly method can't provide sufficient ascending holding power for the gland after vibration isolation piece rubber ages, thereby lead to the drunkenness abnormal sound about the gland, the problem that the second assembly method has the gland unable dismouting, the cost of maintenance after the part damage has greatly been increased, use has certain inconvenience, so put forward an air spring vibration damping device in order to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an air spring vibration removing device which has the advantages of convenient disassembly and assembly of a gland and the like, and solves the problem that the gland of the air spring in the prior art is inconvenient to disassemble and maintain.

In order to achieve the above purpose, the present invention provides the following technical solutions: an air spring vibration eliminating device comprises a bottom shell, wherein a partition plate is arranged between the inner walls of the bottom shell;

an air spring film is fixed in the bottom shell, a movable column is fixed on the top surface of the air spring film, a horizontal damper is fixed on the top surface of the air spring film, a control valve is fixed on the top surface of the bottom shell, and an air inlet hole is formed in the peripheral wall of the bottom shell;

rectangular grooves are formed in the top surfaces of the movable columns, rectangular bins are inserted in the rectangular grooves, fixing mechanisms are arranged on the rectangular bins, connecting columns are fixed on the top surfaces of the rectangular bins, supporting pressing covers are fixed on the peripheral walls of the connecting columns, sealing rings are connected to the peripheral walls of the connecting columns in a rotating mode, and connecting rings in threaded connection with the top surfaces of bottom shells are fixed on the bottom surfaces of the sealing rings.

Further, fixed establishment includes threaded connection on spliced pole peripheral wall, the holding tank has been seted up in the spliced pole, sliding connection has two stripper plates in the holding tank, two one side that the stripper plate is on the back of the body all is fixed with the one end and runs through the holding tank and extend to the extruding rod in the spliced pole outside, the holding tank internal fixation has two gasbags, be fixed with round pipe between the inner wall of rectangular bin left and right sides, be fixed with the riser between the inner wall of round pipe, be fixed with the connecting pipe of one end and the fixed intercommunication of round pipe on the peripheral wall of gasbag, sliding connection has two piston plates in the round pipe, one side that two piston plates are on the back of the body all is fixed with the gag lever post, the round hole that supplies the gag lever post to run through and rather than sliding connection has all been seted up on the inner peripheral wall of round hole, two spouts that are used for supplying sliding connection on the outer peripheral wall of gag lever post, the left and right sides that just lie in the movable column all is equipped with the spacing groove with rectangular groove intercommunication with rectangular groove.

Further, the partition plate divides the bottom shell into an upper air chamber and a lower air chamber, wherein the upper air chamber is a bearing air chamber, the lower air chamber is a damping air chamber, and the air inlet is communicated with the damping air chamber.

Further, the top surface of rectangle storehouse is the missing form, rectangle storehouse and rectangular channel clearance fit, the connecting hole that supplies the spliced pole to run through and rather than sliding connection is seted up to the top surface of drain pan.

Further, the external screw thread has been seted up on the peripheral wall of go-between, the ring channel has been seted up to the top surface of drain pan, and has seted up the internal screw thread with external screw thread looks adaptation on the outside peripheral wall of ring channel, go-between threaded connection is in the ring channel, the inner peripheral wall and the bottom surface of sealing ring are all fixed with the rubber ring.

Further, a thread groove for threaded connection of a thread ring is formed in the peripheral wall of the connecting column, and an anti-slip groove is formed in the peripheral wall of the thread ring.

Further, offer on the peripheral wall of spliced pole with the holding tank intercommunication, and be used for supplying the through hole that the extrusion pole runs through, the gasbag is the elastic bag and is located between two stripper plates, the holding tank is used for supplying the stripper plate to slide in its inside left and right sides.

Further, both ends all are the missing form about the circular tube, circular hole is about relative with the circular tube, the riser separates the circular tube and is about two spaces, and two connecting pipes communicate with two spaces respectively.

Further, sealing rings are fixed on the peripheral wall of the piston plate, and the two piston plates are respectively positioned at the left side and the right side of the vertical plate.

Further, the limiting rod is opposite to the limiting groove in a left-right mode and in clearance fit with the limiting groove, and the sliding groove is used for enabling the sliding block to slide left and right in the sliding groove and in clearance fit with the sliding groove.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. when the air spring vibration removing device is used, compressed air can apply pressure to the air spring film, the air spring film moves up and down under the pressure, so that the movable column is driven to move up and down, the movable column drives the top supporting gland and the load at the top of the movable column to move up and down, the load is contacted with the control valve, and further inflation or deflation is controlled, so that the pressure of the air chamber inside the bottom shell is balanced, the floating seat is in a non-hard contact state, vibration is reduced, and the processing and detection precision of equipment is improved.

2. This air spring vibration-eliminating device, supporting gland is connected through spliced pole and movable column, fixes through fixed establishment between spliced pole and the movable column, dismantles the lower supporting gland that can be quick through operating fixed establishment to change when supporting gland appears wearing and tearing, the practicality is better, more convenient to popularize and use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the invention at A in FIG. 1;

FIG. 3 is a schematic front view of the securing mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the present invention at B in FIG. 3;

fig. 5 is a schematic perspective view of the stop lever of the present invention.

In the figure: 1 bottom shell, 2 partition plates, 3 air spring films, 4 movable columns, 5 horizontal damping, 6 control valves, 7 air inlet holes, 8 rectangular grooves, 9 fixing mechanisms, 901 threaded rings, 902 containing grooves, 903 extruding plates, 904 extruding rods, 905 round pipes, 906 vertical plates, 907 connecting pipes, 908 piston plates, 909 limiting rods, 910 round holes, 911 sliding blocks, 912 sliding grooves, 913 limiting grooves, 914 air bags, 10 rectangular bins, 11 annular grooves, 12 connecting columns, 13 supporting gland, 14 sealing rings and 15 connecting rings.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-2, an air spring vibration-removing device in this embodiment includes a bottom shell 1, a partition plate 2 is installed between inner walls of the bottom shell 1, an air spring film 3 is fixed in the bottom shell 1, a movable column 4 is fixed on a top surface of the air spring film 3, a horizontal damper 5 is fixed on a top surface of the air spring film 3, a control valve 6 is fixed on a top surface of the bottom shell 1, an air inlet 7 is provided on an outer peripheral wall of the bottom shell 1, a rectangular groove 8 is provided on a top surface of the movable column 4, a rectangular bin 10 is inserted in the rectangular groove 8, a fixing mechanism 9 is provided on the rectangular bin 10, a connecting column 12 is fixed on a top surface of the rectangular bin 10, a supporting gland 13 is fixed on an outer peripheral wall of the connecting column 12, a sealing ring 14 is rotatably connected on an outer peripheral wall of the connecting column 12, and a connecting ring 15 in threaded connection with a top surface of the bottom shell 1 is fixed on a bottom surface of the sealing ring 14.

When the device is used, the device and the instrument are installed, the instrument is located at the top of the supporting gland 13, when the device is used, compressed air can apply pressure to the air spring film 3, the air spring film 3 moves up and down under the pressure, so that the movable column 4 is driven to move up and down, the movable column 4 drives the connecting column 12 at the top to move up and down, the connecting column 12 drives the supporting gland 13 and the load at the top to move up and down, the load is contacted with the control valve 6, and then the inflation or deflation is controlled, so that the pressure of the air chamber in the bottom shell 1 is balanced, the floating seat is in a non-hard contact state, the vibration is reduced, and the processing and detection precision of equipment is improved.

In this embodiment, the partition board 2 separates the bottom shell 1 into an upper air chamber and a lower air chamber, wherein the upper air chamber is a bearing air chamber, the lower air chamber is a damping air chamber, the air inlet 7 is communicated with the damping air chamber, the top surface of the rectangular bin 10 is in a missing shape, the rectangular bin 10 is in clearance fit with the rectangular groove 8, and the top surface of the bottom shell 1 is provided with a connecting hole for the connecting column 12 to penetrate and be connected with in a sliding manner.

Referring to fig. 2, an external thread is provided on the outer peripheral wall of the connection ring 15, an annular groove 11 is provided on the top surface of the bottom shell 1, an internal thread adapted to the external thread is provided on the outer peripheral wall of the annular groove 11, the connection ring 15 is screwed in the annular groove 11, rubber rings are fixed on the inner peripheral wall and the bottom surface of the sealing ring 14, and the connection ring 15 is convenient to rotate due to the structure, so that the purpose of disassembling the sealing ring 14 is achieved, and the replacement is performed when the rubber rings are in wear failure.

Referring to fig. 3-5, in the present embodiment, the fixing mechanism 9 includes a threaded ring 901 screwed on the outer peripheral wall of the connecting column 12, a receiving groove 902 is formed in the connecting column 12, two squeeze plates 903 are slidably connected in the receiving groove 902, squeeze rods 904 with one ends penetrating the receiving groove 902 and extending to the outer side of the connecting column 12 are fixed on opposite sides of the two squeeze plates 903, two air bags 914 are fixed in the receiving groove 902, a penetrating hole communicating with the receiving groove 902 and used for penetrating the squeeze rods 904 is formed on the outer peripheral wall of the connecting column 12, the air bags 914 are elastic bags and are located between the two squeeze plates 903, the receiving groove 902 is used for allowing the squeeze plates 903 to slide left and right in the inside of the receiving groove, when the supporting gland 13 is installed, the rectangular bin 10 at the bottom end of the receiving groove is inserted into the rectangular groove 8 at the top end of the movable column 4, then the threaded ring 901 is rotated, the threaded ring 901 moves along the outer peripheral wall of the connecting column 12 to push the two squeeze rods 904 to move relatively, and the two squeeze plates 903 push relatively moving relatively in the receiving groove 902, the air bags 914 move relatively.

Referring to fig. 3-5, a circular tube 905 is fixed between the inner walls of the left and right sides of the rectangular bin 10, a vertical plate 906 is fixed between the inner walls of the circular tube 905, a connecting tube 907 with one end fixedly connected with the circular tube 905 is fixed on the outer peripheral wall of the air bag 914, two piston plates 908 are slidably connected in the circular tube 905, further, air in the two air bags 914 is respectively conveyed to the left and right sides of the vertical plate 906 in the circular tube 905 through the connecting tube 907, the air pressure in the circular tube 905 increases to push the two piston plates 908 to move back to back, a limiting rod 909 is fixed on one side of the two piston plates 908 opposite to each other, a circular hole 910 for the limiting rod 909 to penetrate and be slidably connected with is formed on the left and right sides of the rectangular bin 10, two sliding blocks 911 are fixed on the inner peripheral wall of the circular hole 910, the outer peripheral wall of the limiting rod 909 is provided with two sliding grooves 912 for sliding connection of the sliding block 911, the left side and the right side of the movable column 4 are provided with limiting grooves 913 communicated with the rectangular grooves 8, the left end and the right end of the round pipe 905 are in a missing shape, the round hole 910 is opposite to the round pipe 905 from left to right, the vertical plate 906 separates the round pipe 905 into left and right spaces, the two connecting pipes 907 are respectively communicated with the two spaces, further, the piston plate 908 pushes the limiting rod 909 to slide towards the outer side of the rectangular bin 10 in cooperation with the sliding grooves 912 and the sliding block 911 and is inserted into the limiting grooves 913, the rectangular bin 10 is limited and fixed, further, the quick installation of the supporting gland 13 is realized, when the disassembly is needed, the threaded ring 901 is rotated to prevent the extruding rod 904, and the airbag 914 is restored to drive the two limiting rods 909 to move relatively to be separated from the limiting grooves 913.

In this embodiment, a thread groove for the threaded ring 901 to be in threaded connection is formed in the peripheral wall of the connecting column 12, and an anti-slip groove is formed in the peripheral wall of the threaded ring 901, so that the threaded ring 901 can be conveniently rotated to move up and down along the peripheral wall of the connecting column 12 through the arranged anti-slip groove.

Sealing rings are fixed on the peripheral walls of the piston plates 908, the two piston plates 908 are respectively located at the left side and the right side of the vertical plate 906, the limiting rods 909 and the limiting grooves 913 are opposite left and right and are in clearance fit, and the sliding grooves 912 are used for allowing the sliding blocks 911 to slide left and right in the sliding blocks and are in clearance fit.

The working principle of the embodiment is as follows:

(1) When the device is used, the device and the instrument are installed, the instrument is located at the top of the supporting gland 13, when the device is used, compressed air can apply pressure to the air spring film 3, the air spring film 3 moves up and down under the pressure, so that the movable column 4 is driven to move up and down, the movable column 4 drives the connecting column 12 at the top to move up and down, the connecting column 12 drives the supporting gland 13 and the load at the top thereof to move up and down, the load is contacted with the control valve 6, and then the inflation or deflation is controlled, so that the pressure of the air chamber in the bottom shell 1 is balanced, the floating seat is in a non-hard contact state, the vibration is reduced, and the processing and detection precision of equipment is improved.

(2) When the supporting gland 13 is installed, the rectangular bin 10 at the bottom end of the supporting gland 13 is inserted into the rectangular groove 8 at the top end of the movable column 4, then the threaded ring 901 is rotated, the threaded ring 901 moves along the peripheral wall of the connecting column 12 to push the two extrusion rods 904 to move relatively, the two extrusion rods 904 push the two extrusion plates 903 to move relatively in the accommodating groove 902, the two extrusion plates 903 move relatively to compress the air bags 914, further, air in the two air bags 914 is respectively conveyed to the left side and the right side of the vertical plate 906 in the circular tube 905 through the connecting tube 907, the air pressure in the circular tube 905 is increased to push the two piston plates 908 to move oppositely, further, the piston plates 908 push the limiting rods 909 to slide to the outer side of the rectangular bin 10 in cooperation with the sliding grooves 912 and the sliding blocks 911 and are inserted into the limiting grooves 913, the rectangular bin 10 is limited and fixed, and further quick installation of the supporting gland 13 is realized, when the supporting gland is required to be disassembled, the threaded ring 901 is rotated, the extrusion rods 904 are not limited, the air bags 914 are restored, and the two limiting rods 909 are driven to move relatively to move away from the limiting grooves 913.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An air spring vibration eliminating device comprises a bottom shell (1), wherein a partition plate (2) is arranged between the inner walls of the bottom shell (1);

the method is characterized in that: an air spring film (3) is fixed in the bottom shell (1), a movable column (4) is fixed on the top surface of the air spring film (3), a horizontal damper (5) is fixed on the top surface of the air spring film (3), a control valve (6) is fixed on the top surface of the bottom shell (1), and an air inlet hole (7) is formed in the peripheral wall of the bottom shell (1);

rectangular grooves (8) are formed in the top surfaces of the movable columns (4), rectangular bins (10) are inserted in the rectangular grooves (8), fixing mechanisms (9) are arranged on the rectangular bins (10), connecting columns (12) are fixedly arranged on the top surfaces of the rectangular bins (10), supporting press covers (13) are fixedly arranged on the peripheral walls of the connecting columns (12), sealing rings (14) are connected to the peripheral walls of the connecting columns (12) in a rotating mode, and connecting rings (15) in threaded connection with the top surfaces of the bottom shells (1) are fixedly arranged on the bottom surfaces of the sealing rings (14).

2. An air spring vibration-removing device according to claim 1, wherein: the fixing mechanism (9) comprises a threaded ring (901) which is connected with the outer peripheral wall of the connecting column (12) in a threaded manner, a containing groove (902) is formed in the connecting column (12), two extruding plates (903) are connected in a sliding manner in the containing groove (902), one sides of the two extruding plates (903) which are opposite are fixedly provided with extruding rods (904) with one ends penetrating through the containing groove (902) and extending to the outer side of the connecting column (12), two air bags (914) are fixed in the containing groove (902), a circular pipe (905) is fixed between the inner walls of the left side and the right side of the rectangular bin (10), a vertical plate (906) is fixed between the inner walls of the circular pipe (905), a connecting pipe (907) with one end fixedly communicated with the circular pipe (905) is fixed on the outer peripheral wall of the air bags (914), one sides of the two piston plates (908) which are opposite are fixedly provided with limiting rods (909), two limiting rods (912) are arranged on the left side and the right side of the rectangular bin (10) in a sliding manner, two limiting rods (911) are provided with limiting rods (911) which are fixedly connected with the inner peripheral walls (905), limiting grooves (913) communicated with the rectangular grooves (8) are formed in the movable columns (4) and located on the left side and the right side of the rectangular grooves (8).

3. An air spring vibration-removing device according to claim 1, wherein: the bottom shell (1) is divided into an upper air chamber and a lower air chamber by the partition plate (2), wherein the upper air chamber is a bearing air chamber, the lower air chamber is a damping air chamber, and the air inlet (7) is communicated with the damping air chamber.

4. An air spring vibration-removing device according to claim 1, wherein: the top surface of rectangle storehouse (10) is the missing form, rectangle storehouse (10) and rectangular channel (8) clearance fit, the connecting hole that supplies spliced pole (12) to run through and sliding connection rather than is offered to the top surface of drain pan (1).

5. An air spring vibration-removing device according to claim 1, wherein: external screw threads are formed in the peripheral wall of the connecting ring (15), an annular groove (11) is formed in the top surface of the bottom shell (1), internal screw threads matched with the external screw threads are formed in the peripheral wall of the outer side of the annular groove (11), the connecting ring (15) is in threaded connection with the annular groove (11), and rubber rings are fixed to the inner peripheral wall and the bottom surface of the sealing ring (14).

6. An air spring vibration-removing device according to claim 2, wherein: a thread groove for threaded connection of the threaded ring (901) is formed in the peripheral wall of the connecting column (12), and an anti-slip groove is formed in the peripheral wall of the threaded ring (901).

7. An air spring vibration-removing device according to claim 2, wherein: the connecting column (12) is provided with a through hole which is communicated with the accommodating groove (902) and used for the extrusion rod (904) to penetrate through, the air bag (914) is an elastic bag and is positioned between the two extrusion plates (903), and the accommodating groove (902) is used for the extrusion plates (903) to slide left and right in the accommodating groove.

8. An air spring vibration-removing device according to claim 2, wherein: the left end and the right end of the circular pipe (905) are in a missing shape, the circular hole (910) is opposite to the circular pipe (905) in a left-right direction, the vertical plate (906) separates the circular pipe (905) into a left space and a right space, and the two connecting pipes (907) are respectively communicated with the two spaces.

9. An air spring vibration-removing device according to claim 2, wherein: sealing rings are fixed on the peripheral wall of the piston plate (908), and the two piston plates (908) are respectively positioned on the left side and the right side of the Yu Liban (906).

10. An air spring vibration-removing device according to claim 2, wherein: the limiting rod (909) is opposite to the limiting groove (913) in a left-right direction and in clearance fit with the limiting groove, and the sliding groove (912) is used for allowing the sliding block (911) to slide in the left-right direction and in clearance fit with the sliding block.