CN115875397A

CN115875397A - Anti-seismic compact shelf

Info

Publication number: CN115875397A
Application number: CN202310001235.1A
Authority: CN
Inventors: 熊来如; 谢水平; 周文
Original assignee: JIANGXI YUANYANG INSURANCE EQUIPMENT INDUSTRIAL GROUP CO LTD
Current assignee: JIANGXI YUANYANG INSURANCE EQUIPMENT INDUSTRIAL GROUP CO LTD
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-03-31

Abstract

The invention discloses an anti-seismic compact shelf. The air bag vibration-damping device comprises a bottom frame and a transmission device arranged on the bottom frame, wherein the transmission device comprises a driving shaft and a traveling shaft which are respectively connected with a transmission gear of the driving shaft and the traveling shaft, the two ends of the transmission gear of the driving shaft and the traveling shaft are respectively connected with an air bag vibration-damping bearing device, a bearing mounting seat of the air bag vibration-damping bearing device is connected to the bottom frame, and an air bag of the air bag vibration-damping device is respectively and fixedly connected to the bearing mounting seat and/or the bottom frame. The anti-seismic compact shelf is simple and reasonable in structure, can obtain a good damping effect, is particularly stable in operation, and can effectively avoid overturning safety accidents in the operation of the compact shelf.

Description

Anti-seismic compact shelf

Technical Field

The invention relates to the technical field of compact shelves, in particular to an anti-seismic compact shelf.

Background

The compact shelf is a mechanical device driven by transmission to operate. Mechanical vibration is inevitably generated when the transmission mechanical equipment operates, and the vibration mainly comes from mechanical transmission motion operation, a composition structure, a connection matching structure and the like of the transmission shaft and the bearing. And the operation vibration of the mechanical equipment provided with the bearing device also comes from the bearing device, such as the installation precision and the processing precision of the bearing device, the transmission matching structure of a shaft and the like. Negative vibrations not only adversely affect the operation of the machine, but also the normal operation of the bearing arrangement, which in turn will exacerbate the vibrations in the operation of the machine. As the compact shelf in the prior art is too high, too long and too narrow, if the structure of the walking transmission driving mechanism of the compact shelf is unreasonable, the vibration of the operation of equipment is increased, the normal and stable operation of the compact shelf is influenced, and the accidents of inclination, swing and even toppling of the operation of the compact shelf are easy to happen; and the common bearing device can not play a positive role in shock absorption and shock resistance to the shock generated by the operation of the compact shelf, and is not beneficial to the stable operation of the compact shelf. And the bearing device is easy to damage and has short service life.

Therefore, the vibration absorption and the vibration prevention can be performed on the operation of mechanical equipment and the like from the bearing device, the stability, the reliability and the safety of the operation of the mechanical equipment such as the compact shelf and the like can be effectively improved, and the bearing can be protected from being excessively damaged.

Disclosure of Invention

The invention aims to provide an anti-seismic compact shelf aiming at the defects in the prior art. The anti-seismic compact shelf is simple and reasonable in structure, can obtain a good damping effect, is particularly stable in operation, and can effectively avoid overturning safety accidents in the operation of the compact shelf.

The technical scheme of the anti-seismic compact shelf comprises a bottom frame and a transmission device arranged on the bottom frame, wherein the transmission device comprises a driving shaft and a walking shaft, and transmission gears respectively connected to the driving shaft and the walking shaft, two ends of the transmission gears of the driving shaft and the walking shaft are respectively connected with an air bag damping bearing device, a bearing mounting seat of the air bag damping bearing device is connected to the bottom frame, and air bags of the air bag damping device are respectively and fixedly connected to the bearing mounting seat and/or the bottom frame.

The air charging device of the air bag comprises an air guide pipe arranged on the bearing seat in an embedded mode and an air valve device arranged on the corresponding side wall of the bearing seat.

The compact shelf provided by the invention can effectively attenuate the vibration generated during the transmission driving operation of mechanical equipment such as the compact shelf and the like by arranging the airbag damping bearing device with the corresponding composition structure, the installation connection structure and the connection mode, realizes the stabilizing effects such as vibration prevention and damping, has good damping effect, can effectively stabilize the operation of the corresponding mechanical equipment, prolongs the service life of the bearing device, is particularly suitable for the walking transmission driving device of the compact shelf and the like, and can effectively avoid unstable operation vibration, shaking and the like of the compact shelf and even possible overturn accidents caused by dynamic vibration and the like in the walking process.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1; FIG. 3 is a schematic perspective view of an airbag device according to an embodiment of the present invention; FIG. 4 is a schematic perspective, partially cross-sectional view of an airbag assembly of the present invention; FIG. 5 is a schematic sectional view showing embodiment 2 of the present invention; FIG. 6 is a perspective partial sectional view showing an airbag device connecting structure in accordance with embodiment 2 of the invention; FIG. 7 is a schematic perspective view of an airbag device according to embodiment 3 of the present invention; FIG. 8 is a schematic perspective view of an airbag device according to embodiment 4 of the present invention; fig. 9 is a partial sectional structural view of embodiment 5 of the present invention.

Detailed Description

In order to better understand the technical solution of the present invention. The present invention will now be further clarified and fully described by way of examples in conjunction with the accompanying drawings.

As shown in fig. 1 to 4, the anti-seismic compact shelving of the invention comprises a bottom frame 30, a transmission device arranged on the bottom frame 30, an air bag shock-absorbing bearing device and the like. The transmission device comprises a driving shaft 32 and a walking shaft 31 which are respectively connected with corresponding transmission gears 34, and the driving shaft and the walking shaft are respectively arranged on the underframe 30 through the bearing mounting seat air bag damping bearing device 20. The air bag damper bearing device 20 includes a bearing mount 1, and a damper air bag and the like.

The airbag shock-absorbing bearing device 20 is provided with bearings 12 through its bearing mount 1 on opposite sides of the drive shaft 32 of the undercarriage 30 and the respective transmission gears 34 of the traveling shafts 31 on both sides thereof, respectively. The power drives the driving shaft, and then drives the two walking wheel shafts to rotate through the transmission gear and the corresponding chain transmission thereof, so as to drive the walking wheels 33 arranged on the walking wheel shafts to roll on the track, thereby realizing the high-stability walking operation of the compact shelf. Can effectively avoid the vibration generated by the walking of the compact shelf and the overturning possibly caused by the vibration. The stable and reliable walking operation of the compact shelf is obtained.

The inflation pressure of the air bag can be experimentally determined according to the magnitude of unbalanced force and vibration force which can be generated when the dense frame runs. The mounting and debugging method of the shock absorption bearing device comprises the following steps:

when the air bag is installed, the air bag is pre-inflated to a certain pressure, then the bolt 10 is screwed down, so that when the bearing of the bearing installation seat and the corresponding transmission shaft thereof reach the required installation position (namely height and/or horizontal position), whether the air pressure of the air bag meets the requirement of meeting the damping effect is measured, and if the air pressure meets the requirement, the air bag can be installed and debugged, and then the air bag can be put into use and run; if the air pressure of the air bag can not meet the requirement, the air bag is supplemented and inflated until the required value is reached, and the debugging is finished; if the installation position of the shock absorption bearing device has deviation and the position is too high but the air pressure meets the requirement, the bolt can be screwed through partial pressure relief until the installation position meets the requirement, and at the moment, if the pressure is insufficient, the pressure can be supplemented and charged so as to meet the requirements of the installation position and the shock absorption air pressure at the same time. The debugging and installation can be completed by controlling the pressure of the air bag and mutually matching the operations of loosening, screwing the bolt and the like in the installation and debugging process.

The air bag device comprises an air bag 2 and an air bag external leading connecting device, and the shape of the inflated air bag 2 is approximately cylindrical. The external leading connecting device comprises fixed connecting bodies 3 respectively arranged at two opposite ends of the air bag 2 and a connecting body 4 integrally connected with the fixed connecting bodies 3 and the air bag 2. A plurality of equipment holes 3b are uniformly distributed around the fixed connector 3. The connecting body part is formed by reducing the diameters of the opposite two end parts of the air bag, and the outer diameter of the connecting body part 4 is smaller than the corresponding outer diameter of the fixed connecting body 3.

The fixed connector 3 is composed of solid fins protruding towards the outer peripheral direction from the two opposite end parts of the air bag 2, and the conjoined part 4 is composed of a solid columnar neck extending towards the solid fins from the two opposite end parts of the air bag 2; the solid wing piece and the solid columnar neck part which is connected with the solid wing piece and the air bag 2 in a one-piece mode are integrally manufactured and molded by the air bag 2 body to form a solid one-piece fixed connecting body and a solid one-piece connecting body of the solid one-piece fixed connecting body.

The air bag device is connected with the bearing installation seat 1 and the compact shelving underframe 30 through corresponding installation and fixing devices. The mounting and fixing device comprises a transitional mounting splint 6 and an inner clamping pore plate 5, wherein the aperture of a middle hole of the inner clamping pore plate 5 is larger than or equal to the corresponding outer diameter of the solid columnar neck.

The transitional mounting splint 6 and the internal clamping hole plate 5 are respectively positioned at the outer side and the inner side of the solid wing pieces at the two opposite ends of the air bag, and are clamped and fixed with the solid wing pieces through countersunk screws 15 through the equipment holes 3b of the fixed connecting body (namely the solid wing pieces) 3 and corresponding screw holes of the transitional mounting splint 6 and the internal clamping hole plate 5. The female clip orifice 5 may be fitted to the connecting body 4 in a state where the airbag is not inflated or at a relatively low pressure by a recessed escape portion 4a in which the orifice is formed by recessing the outer peripheral wall of the connecting body 4.

A transitional mounting splint 6 at one end of the air bag device is fixed with the bottom of the bearing mounting seat 1, and the transitional mounting splint 6 and the bearing mounting seat 1 are cast into a whole by corresponding metal materials; the other end of the air bag device is transitionally provided with a splint 6 which is fixedly connected with the chassis 30 of the compact shelf through a corresponding mounting screw 11.

The airbag device further includes an inflator including an inflation passage 13, a valve device 8, and the like. The inflation channel comprises a channel hole 13c arranged at one side of the bearing mounting seat, a through hole 13a arranged at one end of the air bag and used for fixing the connecting body 3 and the connecting body 4, and a groove 13b arranged at one end of the air bag device and used for transitionally installing the clamping plate 6 and close to one surface of the fixing connecting body 3, wherein the groove 13b realizes sealing by utilizing the elastic action of the fixing connecting body and is connected with the through hole 13a and the channel hole 13c.

The valve device 8 includes a valve seat 7, a valve core 8a, a protective cap 8d that covers the valve core, and the like. The valve seat 7 is in threaded fit with a corresponding end port of a channel hole 13c of the bearing mounting seat through an external thread 7a, and is hermetically connected with the channel hole 13c of the bearing mounting seat through a sealing gasket 8b arranged between the large head part of the valve seat 7 and the bearing mounting seat.

The protective cap 8d is connected to the sealing gasket 8b by a ligament 8 c. The protective cap 8d, the ligament 8c and the sealing gasket 8b are made of rubber or latex materials and are integrated. The connecting structure of the valve core and the valve seat can be the same as the connecting structure of the valve core and the valve seat in the prior art.

The inflation device has high sealing reliability, simplifies the link of an inflation channel, reduces the leakage points of the connecting nodes, improves the operation reliability of the air bag, can avoid the loss of the protective cap, has better protection function and reduces and lowers the maintenance cost.

The bearing mounting seat 1 is fixedly connected to the compact shelving underframe 30 through a bolt 10. The bearing 12 is mounted in the bearing mount 1.

Inventive example 2. As shown in fig. 5-7, the fixed connector 3 is composed of a peripheral side wall of the airbag 2 at two opposite ends surrounding the axis 9 of the airbag and a sandwich type airbag wing piece formed by protruding towards the outer peripheral direction, and the conjoined part 4 is composed of a sandwich type airbag neck formed by the peripheral side wall of the airbag 2 at the inner side of the sandwich type airbag wing piece at two opposite ends surrounding the axis 9 of the airbag and sinking towards the inner side, and forms a cavity type connected part and a cavity type fixed connector.

The interlayer type air bag wing panel and the interlayer type air bag neck part are integrally manufactured and formed with the air bag, and the interlayer inner cavity 2b of the interlayer type air bag wing panel and the interlayer type air bag neck part is communicated with the air bag inner cavity 2 a. Because the sandwich type air bag wing panel, the transitional mounting splint 6 and the internal clamping pore plate 5 are in clamping type fastening connection, the sealing performance of the air bag is not influenced by the equipment holes 3b which are uniformly distributed and arranged around the sandwich type fixed connecting body 3. It can further effectively improve shock attenuation shock resistance through the throttle cushioning effect of sandwich-type gasbag fin and sandwich-type gasbag neck to gas of particular structure, and has expanded shock-absorbing capacity relatively. The rest of the components, the connection structure, the installation and debugging of this embodiment can be similar to those of the above embodiment.

The balloon 2 is provided with a catheter 16 and the like which are communicated with the inner cavity of the balloon, the catheter 16 is connected with the corresponding end of the balloon, and the catheter 16 and the balloon body and the like are made into a whole.

The inflating device comprises an inflating channel, a valve device 8, a mounting hole 26 arranged on one corresponding side of the bearing mounting seat 1, a conical nut pressing sleeve 25 and the like. The valve device 8 comprises a valve core 8a, a valve seat 7 and the like, wherein the valve seat 7 comprises a conical connector 7b arranged at an air outlet end, an expanding part 7a arranged at the root part of the conical connector 7b and the like, and the peripheral wall of the expanding part 7a is provided with external threads.

One end of the conical nut pressing sleeve 25 is provided with a conical hole with the conicity and the conical direction corresponding to the conical connector 7b, and the internal thread at the other end of the conical nut pressing sleeve 25 is correspondingly connected with the external thread of the diameter expanding part 7a of the valve seat 7.

The air charging channel comprises a guide pipe 16 of an air bag, the guide pipe 16 is attached to a clearance space between the bearing 12 and the bearing installation seat 1 or a concave part of the inner peripheral wall of the bearing installation seat through a through hole 27 of a transitional installation splint and is led into an installation hole 26 of the bearing installation seat, one end of an air inlet of the guide pipe 16 is sleeved on a conical connector 7b of the valve seat and is pressed to a certain degree by a conical hole of a conical nut pressing sleeve 25 which is connected to the valve seat through threads and the conical connector 7b, so that the guide pipe 16 and the valve seat form sealed connection. The valve seat is disposed in the mounting hole 26 of the bearing mount by being connected to the mounting hole 26 of the bearing mount through the male screw mounting sleeve 23, and the valve core 8a is connected to the valve seat through the threaded sleeve 24 connected to the male screw portion at the corresponding end of the valve seat.

Inventive example 3. As shown in fig. 8, the balloon 2 of the bearing mount has a spherical shape after inflation. The external leading connecting device of the air bag is composed of a fixed connecting body 3, the fixed connecting body 3 is composed of a solid wing piece formed by outwards protruding the air bag wall at one opposite end part of the air bag 2 along the circumferential direction, namely, the fixed connecting body 3 or the solid wing piece thereof is directly connected with the end part wall surface at one opposite end part of the air bag to form the external leading connecting device without a connecting body part, and the external diameter of the solid wing piece is based on the clamping and fixing connection of the solid wing piece with the transitional mounting splint 6 and the internal clamping orifice plate 5 through a countersunk head screw 15. The solid wing panel and the air bag are integrally made of corresponding materials. The airbag device of the embodiment has a relatively simple manufacturing process. The rest of the components, connection structure, installation and debugging of this embodiment can be similar to any of the above embodiments.

Inventive example 4. As shown in fig. 9, the air bags 2 are respectively connected to the bearing mounting seat and the compact shelving underframe through corresponding inner clamping hole plates 5. The inner clamping hole plate 5 is sleeved on the connecting body part 4 through an inner hole of the inner clamping hole plate, one end of the air bag 2 is fixedly connected with the connecting body 3 which is arranged on the bottom wall surface of the bearing seat 1 or between the mounting plate and the inner clamping hole plate 5, and the fixed connecting body 3 is clamped and connected by fasteners such as corresponding screws 9a connected between the inner clamping hole plate 5 and the bottom wall surface of the bearing mounting seat 1, so that one end of the air bag 2 is fixedly connected with the bearing mounting seat; the fixed connector 3 at the other end of the air bag 2 is clamped and connected in the same mounting and connecting mode, so that the other end of the air bag 2 is fixedly connected to the compact shelving underframe 30 through the corresponding internal clamping hole plate 5 by the screw 9 a.

The damping guide device comprises a plurality of guide sleeves 21, a plurality of corresponding guide rods 22 and the like. One end of a guide sleeve 21 is fixedly connected to the compact shelf underframe 30, one end of a guide rod 22 is fixedly connected to the bearing mounting seat 1, and the other end of the guide sleeve 21 is sleeved on the corresponding other end of the guide rod 22 in a contact manner. The guide rod 22 is connected with the guide sleeve 21 in a contact-type manner with a relatively tight fit. The specific tightness degree can be determined according to the vibration amplitude generated by the operation of the compact shelf, the vibration attenuation quantity required to be implemented and the like. The damping cushion can fully play a role in damping and damping vibration, improve the damping performance and improve the damping effect, and can play a certain role in damping and reducing lateral unbalanced force.

The inflator for the airbag 2 includes a valve core, a valve seat 7, and a tube 16 connected to a side portion of a corresponding one end of the airbag 2, and the tube 16 is formed at the same time as the airbag is formed. The outer end of the guide tube 16 is fixedly connected with one end of the valve seat 7 in a sealing mode, and the connection mode of the guide tube can be the same as or similar to that of the valve seat and the corresponding tire of the existing automobile and bicycle. The valve seat 7 is fixed on the compact shelving underframe through a through hole arranged on the compact shelving underframe, a locking nut 28 and the like. The connection between the valve core and the valve seat is similar to the connection between the valve cores of the existing automobile and bicycle. The novel connecting structure has a very simple structure and a very simple connecting mode, has the mounting concealment performance, can avoid external force damage, and is simple and convenient to mount and maintain and low in implementation cost.

Inventive example 5. The valve seat 7 is arranged on the underframe of the compact shelf. The method has more concealment and is safer on the basis of simple manufacturing structure, process, technology and the like. The rest of the structure and the corresponding operation of this example are similar to those of the above embodiment 4.

The invention is proved by the operation of the product produced by the method, the expected effect is completely obtained, the effect is obvious, and the method has strong adaptability and practicability.

Claims

1. The utility model provides an antidetonation is intensive, includes the chassis, set up in the transmission of chassis, transmission includes driving shaft and walking shaft, connect respectively in the drive gear of driving shaft and walking shaft, characterized by the both ends of the drive gear of driving shaft and walking shaft are connected with gasbag damping bearing device respectively, gasbag damping bearing device's bearing mount pad is connected in the chassis, gasbag damping device's gasbag fixed connection respectively in bearing mount pad and/or chassis.

2. The movable rack underframe apparatus according to claim 1, wherein the air cell inflator comprises an air duct embedded in the bearing seat and an air valve device arranged on the corresponding side wall of the bearing seat.