阅读说明：本技术 一种高承载力圆柱弹簧油缸组合式隔震器及其应用 (High-bearing-capacity cylindrical spring oil cylinder combined shock isolator and application thereof ) 是由 李治中 廖真 邵鲁中 赵玮 沈新民 刘海波 唐德高 熊自明 卢浩 孙慜倩 马超 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种高承载力圆柱弹簧油缸组合式隔震器及其应用,隔震器包括：相对设置的上法兰组件和下法兰组件,上法兰组件包括上法兰,上法兰焊接有四根上导筒,相邻的上导筒之间焊接有上张拉架,上法兰中心安装有上球铰座,上法兰四周设有防护板；下法兰组件包括下法兰,下法兰焊接有四根下导筒,相邻的下导筒之间焊接有下张拉架,下法兰中心安装有下球铰座,隔震油缸与上球铰座和下球铰座铰接,上导筒与下导筒的外侧套装有压缩弹簧,上张拉架与下张拉架通过螺杆连接；隔震油缸包括套式缸筒,内缸筒安装前缸盖,另一端焊接后缸盖,后缸盖的外侧焊接有下球铰,内缸筒内配合安装有活塞,活塞杆安装有上球铰,承载能力高,同时还具有很高的隔震减震的效果。(The invention discloses a high-bearing capacity cylindrical spring oil cylinder combined shock isolator and application thereof, wherein the shock isolator comprises: the upper flange component comprises an upper flange, four upper guide cylinders are welded on the upper flange, an upper tensioning frame is welded between the adjacent upper guide cylinders, an upper spherical hinge seat is arranged in the center of the upper flange, and protection plates are arranged around the upper flange; the lower flange component comprises a lower flange, the lower flange is welded with four lower guide cylinders, a lower tensioning frame is welded between the adjacent lower guide cylinders, a lower spherical hinge seat is installed in the center of the lower flange, the shock insulation oil cylinder is hinged with the upper spherical hinge seat and the lower spherical hinge seat, the outer sides of the upper guide cylinder and the lower guide cylinder are sleeved with compression springs, and the upper tensioning frame is connected with the lower tensioning frame through a screw rod; the shock insulation oil cylinder comprises a sleeve type cylinder barrel, a front cylinder cover is installed on an inner cylinder barrel, the other end of the inner cylinder barrel is welded on a rear cylinder cover, a lower spherical hinge is welded on the outer side of the rear cylinder cover, a piston is installed in the inner cylinder barrel in a matched mode, an upper spherical hinge is installed on a piston rod, the bearing capacity is high, and meanwhile, the shock insulation oil cylinder also has a very high shock insulation and absorption.)

1. The utility model provides a high bearing capacity cylinder spring hydro-cylinder combination formula isolator which characterized in that includes: the upper flange component comprises an upper flange (1), four upper guide cylinders (3) are welded at four corners of the lower surface of the upper flange (1), an upper tensioning frame (10) is welded between the adjacent upper guide cylinders (3) and positioned at the edge of the lower surface of the upper flange (1), an upper spherical hinge seat (11) is installed at the center of the lower surface of the upper flange (1), protection plates (12) are arranged on the periphery of the lower surface of the upper flange (1), and the lower end surfaces of the protection plates (12) are flush with the outer side of a rear cylinder cover (408); the lower flange component comprises a lower flange (6), four lower guide cylinders (5) are welded at four corners of the upper surface of the lower flange (6), a lower tensioning frame (8) is welded between the adjacent lower guide cylinders (5) and positioned at the edge of the upper surface of the lower flange, a lower spherical hinge seat (7) is arranged at the center of the upper surface of the lower flange (6), the shock insulation oil cylinder (4) is hinged with an upper spherical hinge seat (11) through an upper spherical hinge (400), meanwhile, the upper guide cylinder (3) is hinged with the lower spherical hinge seat (7) through a lower spherical hinge (409), the positions and the shapes of the upper guide cylinder and the lower guide cylinder (5) are in one-to-one correspondence and are mutually sleeved, the outer sides of the upper guide cylinder (3) and the lower guide cylinder (5) are sleeved with a compression spring (2), the upper end and the lower end of the compression spring (2) are respectively attached to the lower surface of the upper flange (1) and the upper surface of the lower flange (6), the upper tensioning frames (10) and the lower tensioning frames (8) correspond to each other one by one and are connected through screw rods (9) respectively;

the shock insulation oil cylinder (4) comprises a vertically arranged sleeve type cylinder barrel, the sleeve type cylinder barrel comprises an inner cylinder barrel (407) and an outer cylinder barrel (414), the inner cylinder barrel (407) and the outer cylinder barrel (414) are sleeved in an interference fit manner, a front cylinder cover (403) is fixedly installed at one end of the inner cylinder barrel (407) through threads, a rear cylinder cover (408) is welded at the other end of the sleeve type cylinder barrel, oil holes (405) are formed in the bottom surfaces of the front cylinder cover (403) and the rear cylinder cover (408) on one side of the sleeve type cylinder barrel, a lower spherical hinge (409) is welded on the outer side of the rear cylinder cover (408), a piston (406) is installed in the inner cylinder barrel (407) in a fit manner, an oil cavity (410) is formed in the end portion of the piston (406) along the central shaft direction of the inner cylinder barrel (407), a drilling screw (404) is connected with the oil, the two ends of the piston (406) are provided with piston rods (402), one end of each piston rod (402) penetrates through the front cylinder cover (403) and is connected with the upper spherical hinge (400) through threads, and the other end of each piston rod (402) penetrates through the rear cylinder cover (408) and is coaxial with the sleeve type cylinder barrel.

2. The combined shock isolator of claim 1, wherein the inner diameter of the upper guide cylinder (3) is 9.5mm larger than the outer diameter of the lower guide cylinder (5).

3. The high-bearing-capacity cylindrical spring cylinder combination vibration isolator as claimed in claim 1, wherein the linear diameter of the compression spring (2) is larger than 35mm, and the rigidity is larger than 133N/mm.

4. The high-bearing capacity cylindrical spring cylinder combination vibration isolator as claimed in claim 1, wherein a guide strip (412) and a seal ring (411) are mounted on the peripheral edge of the piston (406) at the contact position of the piston (406) and the cylinder (407).

5. The combined shock isolator of claim 1, wherein the upper spherical hinge (400) and the lower spherical hinge (409) are both provided with oil cups (401).

6. The high-bearing-capacity cylindrical spring oil cylinder combined vibration isolator as claimed in claim 1, wherein the lower spherical hinge (409) is provided with a gap for the movement of the piston rod (402) at the joint with the rear cylinder cover (408), and the cross section of the gap is larger than that of the piston rod (402).

7. The high-bearing-capacity cylindrical spring cylinder combination vibration isolator as claimed in claim 1, wherein the diameter of the through hole (413) of the drilling screw (404) is 1mm-2 mm.

8. The application of the cylinder-spring cylinder combined vibration isolator with high bearing capacity according to any one of claims 1 to 7 is characterized in that a plurality of vibration isolation devices (16) are uniformly distributed between a base (15) and a base (17), and an explosion container (13) is arranged above the base (15) and is fixed through a support (14);

the shock insulation device (16) is vertically arranged between the base (15) and the base (17);

the base (17) is fixedly mounted in a foundation.

9. The application of the combined shock isolator of the cylinder spring oil cylinder with high bearing capacity as claimed in claim 8, wherein the base (15) is arranged in parallel with the base (17), and the base (17) is fixedly embedded in the foundation and is positioned on the same horizontal plane with the foundation.

10. The application of the combined shock isolator of the cylinder spring oil cylinder with high bearing capacity as claimed in claim 8, wherein the base (17) is U-shaped and is embedded and fixed in a foundation; the shock insulation devices (16) are arranged between the lower surface of the base (15) and the upper surface of the base (17) and between the peripheral side surfaces of the base (15) and the inner side surface of the U-shaped vertical side wall of the base (17).

Technical Field

The invention belongs to a shock isolation device for explosion impact vibration, and particularly relates to a high-bearing-capacity cylindrical spring oil cylinder combined shock isolator and application thereof.

Background

The vibration (vibration) caused by power machinery or the vibration caused by explosion can affect the life of people to a certain extent, especially the strong vibration can cause damage to the environment and casualties. In order to reduce and isolate the destructive effect of strong vibration, the research of vibration isolation technology is receiving more and more attention. Through decades of rapid development, the current shock insulation technology aiming at the vibration caused by power machinery is gradually improved, and from the aspect of control technology, the shock insulation technology comprises control technologies such as passive control, active control, semi-active control, hybrid control and the like; from the vibration isolation device types, the vibration isolation device comprises a hysteresis damping type, a friction type and a viscous damping type; from the products of the shock isolation devices, common laminated rubber supports, high-damping laminated rubber supports, lead core laminated rubber supports, spiral spring supports, metal sliding shock isolation supports, metal spherical sliding shock isolation systems, friction pendulum shock isolation supports, novel SMA sliding shock isolation supports, metal dampers, oil cylinder dampers, mild steel dampers and the like are emerging. For the shock insulation aspect of explosion impact shock, some research results are available, such as lower bearing capacity of a steel wire rope shock isolator and a PGG shock isolator, and the shock insulation system does not have wide applicability and can not meet the shock insulation of explosion impact shock with higher requirement on the bearing capacity.

Disclosure of Invention

The invention aims to solve the technical problem that in the field of shock isolation by explosion impact, a shock isolation device capable of meeting requirements of area damping and resistance simultaneously overcomes the defects of the prior art, and provides a high-bearing-capacity cylindrical spring and oil cylinder combined shock isolator and application thereof.

In order to solve the technical problems, the invention provides a combined shock isolator for a cylindrical spring oil cylinder with high bearing capacity, which comprises: the upper flange assembly comprises an upper flange, four upper guide cylinders are welded at four corners of the lower surface of the upper flange, an upper tensioning frame is welded at the edge of the lower surface of the upper flange between the adjacent upper guide cylinders, an upper spherical hinge seat is installed at the center of the lower surface of the upper flange, protection plates are arranged on the periphery of the lower surface of the upper flange, and the lower end surfaces of the protection plates are flush with the outer side of the rear cylinder cover; the lower flange component comprises a lower flange, four lower guide cylinders are welded at four corners of the upper surface of the lower flange, a lower tensioning frame is welded at the edge of the upper surface of the lower flange between adjacent lower guide cylinders, a lower spherical hinge seat is installed at the center of the upper surface of the lower flange, a shock insulation oil cylinder is hinged with the upper spherical hinge seat through an upper spherical hinge, and is hinged with the lower spherical hinge seat through a lower spherical hinge, the upper guide cylinders are in one-to-one correspondence with the lower guide cylinders and are sleeved with each other in shape, compression springs are sleeved on the outer sides of the upper guide cylinders and the lower guide cylinders, the upper ends and the lower ends of the compression springs are respectively attached to the lower surface of the upper flange and the upper surface of the lower flange, and the upper tensioning frame is in one-to-one correspondence with the lower tensioning.

The shock insulation oil cylinder comprises a vertically arranged sleeve type cylinder barrel, the sleeve type cylinder barrel comprises an inner cylinder barrel and an outer cylinder barrel, the inner cylinder barrel and the outer cylinder barrel are sleeved in an interference fit mode, one end of the inner cylinder barrel is fixedly provided with a front cylinder cover through threads, the other end of the sleeve type cylinder barrel is welded with a rear cylinder cover, oil holes are formed in the bottom surfaces of the front cylinder cover and the rear cylinder cover on one side of the sleeve type cylinder barrel, and the damping size of the vibration isolator can be designed through the number and size of the oil; the outside welding of back cylinder cap has down the ball pivot, and interior cooperation of inner cylinder installs the piston, and the tip of piston is equipped with the oil pocket intercommunicating pore along inner cylinder center pin direction, and drilling screw passes through the screw and is connected with the oil pocket intercommunicating pore, is equipped with the through-hole in the drilling screw, and the both ends of piston are the piston rod, and the one end of piston rod passes preceding cylinder cap and passes through the screw and be connected with last ball pivot, and the other end of piston rod passes back cylinder cap and coaxial with shell.

The technical scheme of the invention is further defined as follows: the inner diameter of the upper guide cylinder is 9.5mm larger than the outer diameter of the lower guide cylinder.

Further, the wire diameter of the compression spring is more than 35mm, and the rigidity is more than 133N/mm.

Furthermore, a guide belt and a sealing ring are arranged on the piston at the contact part of the piston and the cylinder barrel.

Furthermore, the upper spherical hinge and the lower spherical hinge are both provided with oil cups.

Furthermore, a round hole is formed in the joint of the lower spherical hinge and the rear cylinder cover, and the diameter of the round hole is directly larger than that of the piston rod.

Furthermore, the diameter of the through hole of the drilling screw is 1mm-2 mm.

Further, the invention also provides an application of the combined shock isolator of the cylinder spring oil cylinder with high bearing capacity, which comprises the following steps:

uniformly distributing a plurality of shock insulation devices between a base and a base, and installing an explosion container above the base and fixing the explosion container through a support; the shock isolation device is vertical to the base and the base; the base is fixedly installed in the foundation.

The base is arranged in parallel with the base, and the base is fixedly embedded in the foundation and is positioned on the same horizontal plane with the foundation.

The base is U-shaped and is embedded and fixed in the foundation; the shock insulation devices are arranged between the lower surface of the base and the upper surface of the base and between the peripheral side surfaces of the base and the inner side surfaces of the U-shaped vertical side walls of the base.

The invention has the beneficial effects that:

the invention combines the spring and the oil cylinder, and the oil holes are arranged on the front cylinder cover and the rear cylinder cover of the oil cylinder, when the oil cylinder is compressed under the action of external force, oil enters and exits through the oil holes, thereby achieving the purpose of generating resistance.

According to the respective advantages of two shock insulation components with different physical and mechanical properties of the existing spring and oil cylinder, the two different shock insulation components are combined to obtain a novel combined shock isolator, the requirements of resistance and damping of a single shock isolator can be met, and the shock generated by explosion impact is distributed to each shock isolator; the requirements on resistance and damping of a single shock isolator are reduced, and the overall shock isolation performance is ensured; the shock insulation device has the effects of relatively slow deformation, small dynamic force change and easiness in control, and is suitable for shock insulation in a strong-impact shock environment.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a front view of the seismic isolation cylinder of the present invention;

FIG. 5 is a cross-sectional view of the drill screw of the present invention;

FIG. 6 is a first installation schematic of the present invention;

fig. 7 is a second installation diagram of the present invention.

The vibration isolation device comprises an upper flange 1, a compression spring 2, an upper guide cylinder 3, a vibration isolation oil cylinder 4, an upper spherical hinge 400, an oil cup 401, an oil cup 402, a piston rod 403, a front cylinder cover 404, a drilling screw 405, an oil hole 406, a piston 407, an inner cylinder barrel 408, a rear cylinder cover 409, a lower spherical hinge 410, an oil cavity communicating hole 410, a sealing ring 411, a guide belt 412, a through hole 413, an outer cylinder barrel 414, a lower guide cylinder 5, a lower flange 6, a lower spherical hinge seat 7, a lower tensioning frame 8, a screw rod 9, an upper tensioning frame 10, an upper spherical hinge seat 11, a protection plate 12, an explosion container 13, a support 14, a base 15, a vibration isolation device 16 and a base 17.

Detailed Description