Vibration reduction rigid foundation without fixed connection for vibration equipment

Abstract

The vibration equipment vibration reduction rigid foundation without fixed connection comprises a foundation body, rigid parts are fixedly connected to the side edges of the foundation body, horizontal vibration reduction and energy dissipation dampers are fixedly connected to the rigid parts, the other ends of the horizontal vibration reduction and energy dissipation dampers are fixedly connected with vibration equipment, and a vertical vibration reduction and isolation layer is arranged at the bottom of the foundation body. According to the vibration equipment vibration reduction rigid foundation without fixed connection, the problem that equipment vibrates in the vertical direction and the horizontal direction when running in an existing foundation without fixed connection is solved.

Description

Technical Field

[0001] This invention belongs to the field of vibration reduction equipment technology, specifically relating to a rigid foundation for vibration reduction of non-fixed vibration equipment. Background Technology

[0002] The traditional foundation design method for large vibrating equipment is to use a foundation with a self-weight of ≥3 to 5 times the self-weight of the equipment, and to require the center of gravity of the foundation to be vertically aligned with the center of gravity of the equipment as much as possible to minimize dynamic response. However, this method requires a large amount of concrete, has extremely poor vibration reduction effect, and causes cracking and damage around the foundation, which can lead to equipment failure and reduce the lifespan of the structure and equipment.

[0003] Furthermore, traditional foundation designs require numerous pre-drilled holes, and after the concrete has set, bolts must be placed for secondary pouring to fix the bolts to the equipment base. This process is complex, time-consuming, and economically inefficient. The non-fixed connection foundations used in this project, on the other hand, cannot address the vertical and horizontal vibrations during equipment operation, resulting in extremely poor vibration reduction. Summary of the Invention

[0004] The purpose of this invention is to provide a vibration-damping rigid foundation for vibration equipment without fixed connections, which solves the problem of vertical and horizontal vibration when the equipment is running on existing unfixed foundations.

[0005] The technical solution adopted in this invention is a vibration damping rigid foundation for a vibration-damping device without fixed connection, including a foundation, a steel component fixed to the side of the foundation, a horizontal vibration damping and energy dissipation damper fixed to the steel component, a vibration device fixed to the other end of the horizontal vibration damping and energy dissipation damper, and a vertical vibration damping and isolation layer provided at the bottom of the foundation.

[0006] The invention is further characterized by:

[0007] The foundation has a concave cross-section and is made of reinforced concrete. Before the concrete is poured, steel components are pre-embedded on the sides of the foundation, and a vertical vibration damping layer is laid on the bottom surface of the foundation.

[0008] The rigid components include embedded steel plates. Before the foundation is poured with concrete, the embedded steel plates are vertically embedded on the side of the foundation. Several connecting units are fixedly connected side by side on the other end face of the embedded steel plates. Each of the connecting units has a threaded hole. The connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper in the threaded hole by bolts.

[0009] The connection unit includes two connectors, both of which have threaded holes. The two connectors are fixed to the horizontal vibration damping energy dissipation damper in the threaded holes by bolts.

[0010] The vertical vibration damping layer includes a sand and gravel vibration damping pad layer, which is laid on the bottom surface of the foundation. A particle rubber vibration damping pad layer is laid on the top surface of the sand and gravel vibration damping pad layer, and a crushed stone vibration damping pad layer is laid on the top surface of the particle rubber vibration damping pad layer. The bottom surface of the vibrating equipment is in contact with the crushed stone vibration damping pad layer.

[0011] The horizontal vibration damping and energy dissipation damper includes a first damping cylinder, a second damping cylinder slidably connected to the outer wall of the first damping cylinder, and several end caps fixed to the end of the second damping cylinder away from the first damping cylinder. These end caps are connected one-to-one with several connecting units. A dividing disc is fixed to the inner wall of the first damping cylinder, with a through hole at its center. A fixing rod, hollow in shape, is installed within the through hole. The dividing disc is slidably connected to the fixing rod. Several springs are fixed to the end face of the dividing disc near the end caps, and the other ends of these springs are fixed to the second damping cylinder. The fixing rod... One end is fixedly connected to the second damping cylinder, and the other end of the fixed rod is fixedly connected to a fixed piston. The fixed piston has fixed damping holes of different sizes. The fixed piston has a jacket, and the jacket has an adjusting piston. The adjusting piston has several fan-shaped damping holes. The center of the fixed piston is also opened in the fixed rod. An adjusting rod passes through the fixed rod and is fixedly connected to the adjusting piston through the small hole. The adjusting rod passes through the second damping cylinder. The outer wall of the end of the adjusting rod that passes through the second damping cylinder has a sharp edge. The outer wall of the first damping cylinder has a liquid replenishment hole, and the first damping cylinder contains viscous liquid.

[0012] Several ends are inserted into several connecting units in a one-to-one correspondence. The ends are provided with bolt holes corresponding to the threaded holes. The ends are fixed to the two connecting parts of the connecting unit by bolts in the threaded holes.

[0013] The beneficial effects of this invention are:

[0014] The vibration damping rigid foundation for vibration equipment provided by this invention improves construction efficiency, saves construction costs, and reduces the impact of vibration on equipment, foundation and surrounding facilities. It effectively solves the vertical and horizontal vibration problems of equipment while eliminating the need for a fixed connection between the equipment and the foundation. It can be widely used in the field of structural vibration reduction and isolation technology in industrial equipment vibration control design. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the vibration reduction rigid foundation of the vibration equipment without fixed connection according to the present invention;

[0016] Figure 2 yes Figure 1 A magnified view of part A in the image;

[0017] Figure 3 yes Figure 2 Section 1-1 in the diagram;

[0018] Figure 4 This is an overall schematic diagram of the horizontal vibration reduction and energy dissipation damper of the present invention;

[0019] Figure 5 This is a schematic diagram of the internal structure of the horizontal vibration damping and energy dissipation damper of the present invention.

[0020] In the diagram, 1. Foundation; 101. Embedded steel plate; 102. Connector; 103. Threaded hole; 104. Bolt; 2. Vertical vibration damping layer; 201. Sand and gravel vibration damping pad; 202. Particle rubber vibration damping pad; 203. Crushed stone vibration damping pad; 3. Horizontal vibration damping and energy dissipation damper; 301. First damping cylinder; 302. Second damping cylinder; 303. End; 304. Spring; 305. Dividing disc; 306. Fixed piston; 307. Adjusting piston; 308. Fixed damping hole; 309. Fan-shaped damping hole; 310. Fixed rod; 311. Adjusting rod; 312. Liquid replenishment hole; 313. Viscous liquid; 314. Bolt hole. Detailed Implementation

[0021] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0022] The present invention provides a vibration damping rigid foundation for vibration equipment without fixed connection, such as... Figure 1 As shown, the system includes a foundation 1, with a rigid component fixed to one side. A horizontal vibration damping and energy dissipation damper 3 is fixed to the rigid component, and a vibrating device is fixed to the other end of the horizontal vibration damping and energy dissipation damper 3. A vertical vibration damping and isolation layer 2 is provided at the bottom of the foundation 1. The foundation 1 is connected to the equipment skid without a fixed connection. The cross-section of the foundation 1 is concave. The foundation 1 is composed of reinforced concrete. Before pouring the concrete, a rigid component is pre-embedded on the side of the foundation 1. A vertical vibration damping and isolation layer 2 is laid on the bottom surface of the foundation 1. Figure 2 As shown, the rigid component includes an embedded steel plate 101. Before the foundation 1 is poured with concrete, the embedded steel plate 101 is vertically embedded on the side of the foundation 1. Several connecting units are fixedly connected side by side to the other end face of the embedded steel plate 101. Each connecting unit has a threaded hole 103. The connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper 3 in the threaded holes 103 by bolts 104. Figure 3As shown, the connecting unit includes two connectors 102, each with a threaded hole 103. The two connectors 102 are fixed to the horizontal vibration damping and energy dissipation damper 3 via bolts 104 within the threaded holes 103. The vertical vibration isolation layer 2 includes a sand and gravel vibration damping pad 201, which is laid on the bottom surface of the foundation 1. A particle rubber vibration damping pad 202 is laid on the top surface of the sand and gravel vibration damping pad 201, and a crushed stone vibration damping pad 203 is laid on the top surface of the particle rubber vibration damping pad 202. The bottom surface of the vibrating equipment contacts the crushed stone vibration damping pad 203. The sand and gravel vibration damping pad 201 provides vertical stiffness, and the particle rubber vibration damping pad 202, due to its material properties, can effectively solve the vertical vibration problem of the equipment. An equipment underskimper is placed on the crushed stone vibration damping pad 203; the friction between the two can resist the small horizontal displacement caused by the vibration of the vibrating equipment. Figure 4 As shown, the horizontal vibration damping and energy dissipation damper 3 includes a first damping cylinder 301, a second damping cylinder 302 slidably connected to the outer wall of the first damping cylinder 301, and a plurality of end heads 303 fixedly connected to the end of the second damping cylinder 302 away from the first damping cylinder 301. The plurality of end heads 303 are connected one-to-one with a plurality of connecting units, such as... Figure 5As shown, a partition disk 305 is fixedly connected to the inner wall of the first damping cylinder 301 to form a chamber for placing viscous liquid 313. A through hole is opened in the center of the partition disk 305, and a fixing rod 310 is installed in the through hole. The fixing rod 310 is hollow columnar. The partition disk 305 and the fixing rod 310 are slidably connected, so that the first damping cylinder 301 and the piston are relative to each other, so as to achieve the purpose of vibration reduction and energy dissipation. Several springs 304 are fixedly connected to the end face of the partition disk 305 near the end 303. The other ends of the several springs 304 are all A fixed rod 310 is fixedly connected to the second damping cylinder 302 at one end, and a fixed piston 306 is fixedly connected to the other end of the fixed rod 310. The fixed piston 306 has fixed damping holes 308 of varying sizes. A sandwich structure is provided inside the fixed piston 306, and an adjusting piston 307 is provided within the sandwich structure. The adjusting piston 307 has several fan-shaped damping holes 309. A small hole is also provided at the center of the fixed piston 306 within the fixed rod 310. An adjusting rod 311 passes through the fixed rod 310. The lever 311 passes through a small hole and is fixedly connected to the adjusting piston 307, restricting its rotation and horizontal displacement. Rotating the lever 311 allows the adjusting piston 307 to rotate relative to the fixed piston 306 within the interlayer. The adjusting lever 311 passes through the second damping cylinder 302, and the outer wall of the end of the adjusting lever 311 extending out of the second damping cylinder 302 has an edge, allowing the relative angle between the adjusting piston 307 and the fixed piston 306 to be changed using a mechanism, thereby altering the size of the damping orifice and achieving adjustable damping force. The first damping... The outer wall of the cylinder 301 is provided with a liquid replenishment hole 312. The first damping cylinder 301 is provided with viscous liquid 313. The liquid replenishment hole 312 is used to replenish the viscous liquid 313 in the chamber of the first damping cylinder 301. After replenishment, it should be plugged to prevent liquid leakage. Several ends 303 are inserted into several connecting units one by one. The ends 303 are provided with bolt holes 314 corresponding to the threaded holes 103. The ends 303 are fixed in the two connecting parts 102 of the connecting unit through the bolts 104 in the threaded holes 103.

[0023] The vibration damping rigid foundation for vibration equipment without fixed connection provided by this invention works as follows: A pre-embedded steel plate 101 is pre-embedded on the side of the foundation 1. Connecting parts 102 are welded to the outside of the pre-embedded steel plate 101. Four connecting parts 102 can be arranged on each pre-embedded steel plate 101. Subsequently, a sand and gravel vibration damping pad layer 201, a particle rubber vibration damping pad layer 202, and a crushed stone vibration damping pad layer 203 are sequentially laid and compacted inside the foundation 1. After the equipment arrives, a horizontal vibration damping and energy dissipation damper 3 is welded to the position corresponding to the connecting parts 102 on the equipment skid. The equipment skid is hoisted into the foundation 1 as a whole. The other end of the horizontal vibration damping energy dissipation damper 3 is connected to the connector 102 by bolt 104. The sand and gravel vibration damping pad 201 provides vertical stiffness. The particle rubber vibration damping pad 202 can effectively solve the vertical vibration problem of the equipment by relying on its material properties. The equipment bottom skid is placed on the crushed stone vibration damping pad 203. The friction between the two can resist the small horizontal displacement caused by the vibration of the vibrating equipment. When the horizontal vibration is large, the horizontal vibration damping energy dissipation damper 3 is used to dampen and dissipate energy.

[0024] Example 1

[0025] The vibration damping rigid foundation for non-fixed connection vibration equipment proposed in this embodiment, such as... Figure 1 As shown, it includes a foundation 1, with a steel component fixed to the side of the foundation 1, and a horizontal vibration damping and energy dissipation damper 3 fixed to the steel component. The other end of the horizontal vibration damping and energy dissipation damper 3 is fixed to a vibration device. A vertical vibration damping and isolation layer 2 is provided at the bottom of the foundation 1. The cross-section of the foundation 1 is concave. The foundation 1 is composed of reinforced concrete. Before the concrete is poured, the steel component is pre-embedded on the side of the foundation 1. A vertical vibration damping and isolation layer 2 is laid on the bottom surface of the foundation 1.

[0026] Example 2

[0027] The vibration damping rigid foundation for non-fixed connection vibration equipment proposed in this embodiment, such as... Figure 1 As shown, the structure includes a foundation 1, with a rigid component fixed to one side. A horizontal vibration damping and energy dissipation damper 3 is fixed to the rigid component, and a vibration device is fixed to the other end of the horizontal vibration damping and energy dissipation damper 3. A vertical vibration damping and isolation layer 2 is provided at the bottom of the foundation 1. The foundation 1 has a concave cross-section and is composed of reinforced concrete. Before pouring the concrete, the rigid component is pre-embedded on the side of the foundation 1, and the vertical vibration damping and isolation layer 2 is laid on the bottom surface of the foundation 1. Figure 2 As shown, the rigid component includes an embedded steel plate 101. Before the foundation 1 is poured with concrete, the embedded steel plate 101 is vertically embedded on the side of the foundation 1. Several connecting units are fixedly connected side by side to the other end face of the embedded steel plate 101. Each connecting unit has a threaded hole 103. The connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper 3 in the threaded holes 103 by bolts 104. Figure 3As shown, the connection unit includes two connectors 102, both of which have threaded holes 103. The two connectors 102 are fixed to the horizontal vibration damping energy dissipation damper 3 in the threaded holes 103 by bolts 104.

[0028] Example 3

[0029] The vibration damping rigid foundation for non-fixed connection vibration equipment proposed in this embodiment, such as... Figure 1 As shown, the structure includes a foundation 1, with a rigid component fixed to one side. A horizontal vibration damping and energy dissipation damper 3 is fixed to the rigid component, and a vibration device is fixed to the other end of the horizontal vibration damping and energy dissipation damper 3. A vertical vibration damping and isolation layer 2 is provided at the bottom of the foundation 1. The foundation 1 has a concave cross-section and is composed of reinforced concrete. Before pouring the concrete, the rigid component is pre-embedded on the side of the foundation 1, and the vertical vibration damping and isolation layer 2 is laid on the bottom surface of the foundation 1. Figure 2 As shown, the rigid component includes an embedded steel plate 101. Before the foundation 1 is poured with concrete, the embedded steel plate 101 is vertically embedded on the side of the foundation 1. Several connecting units are fixedly connected side by side to the other end face of the embedded steel plate 101. Each connecting unit has a threaded hole 103. The connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper 3 in the threaded holes 103 by bolts 104. Figure 3 As shown, the connection unit includes two connectors 102, both of which have threaded holes 103. The two connectors 102 are fixed to the horizontal vibration damping and energy dissipation damper 3 through bolts 104 in the threaded holes 103. The vertical vibration damping layer 2 includes a sand and gravel vibration damping pad 201, which is laid on the bottom surface of the foundation 1. A particle rubber vibration damping pad 202 is laid on the top surface of the sand and gravel vibration damping pad 201, and a crushed stone vibration damping pad 203 is laid on the top surface of the particle rubber vibration damping pad 202. The bottom surface of the vibrating equipment is in contact with the crushed stone vibration damping pad 203.

[0030] Example 4

[0031] The vibration damping rigid foundation for non-fixed connection vibration equipment proposed in this embodiment, such as... Figure 1 As shown, the structure includes a foundation 1, with a rigid component fixed to one side. A horizontal vibration damping and energy dissipation damper 3 is fixed to the rigid component, and a vibration device is fixed to the other end of the horizontal vibration damping and energy dissipation damper 3. A vertical vibration damping and isolation layer 2 is provided at the bottom of the foundation 1. The foundation 1 has a concave cross-section and is composed of reinforced concrete. Before pouring the concrete, the rigid component is pre-embedded on the side of the foundation 1, and the vertical vibration damping and isolation layer 2 is laid on the bottom surface of the foundation 1. Figure 2As shown, the rigid component includes an embedded steel plate 101. Before the foundation 1 is poured with concrete, the embedded steel plate 101 is vertically embedded on the side of the foundation 1. Several connecting units are fixedly connected side by side to the other end face of the embedded steel plate 101. Each connecting unit has a threaded hole 103. The connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper 3 in the threaded holes 103 by bolts 104. Figure 3 As shown, the connecting unit includes two connectors 102, each with a threaded hole 103. The two connectors 102 are fixed to the horizontal vibration damping and energy dissipation damper 3 via bolts 104 within the threaded holes 103. The vertical vibration damping layer 2 includes a sand and gravel vibration damping pad 201, which is laid on the bottom surface of the foundation 1. A particle rubber vibration damping pad 202 is laid on the top surface of the sand and gravel vibration damping pad 201, and a crushed stone vibration damping pad 203 is laid on the top surface of the particle rubber vibration damping pad 202. The bottom surface of the vibrating equipment is in contact with the crushed stone vibration damping pad 203. Figure 4 As shown, the horizontal vibration damping and energy dissipation damper 3 includes a first damping cylinder 301, a second damping cylinder 302 slidably connected to the outer wall of the first damping cylinder 301, and a plurality of end heads 303 fixedly connected to the end of the second damping cylinder 302 away from the first damping cylinder 301. The plurality of end heads 303 are connected one-to-one with a plurality of connecting units, such as... Figure 5 As shown, a dividing disc 305 is fixedly connected to the inner wall of the first damping cylinder 301. A through hole is opened in the center of the dividing disc 305, and a fixing rod 310 is installed in the through hole. The fixing rod 310 is hollow and cylindrical. The dividing disc 305 and the fixing rod 310 are slidably connected. Several springs 304 are fixedly connected to the end face of the dividing disc 305 near the end 303. The other ends of the springs 304 are all fixedly connected to the second damping cylinder 302. One end of the fixing rod 310 is fixedly connected to the second damping cylinder 302, and the other end of the fixing rod 310 is fixedly connected to a fixing piston 306. The fixing piston 306 has fixing damping holes 308 of different sizes. A jacket is provided inside the fixing piston 306, and an adjusting piston 307 is provided inside the jacket. Several fan-shaped openings are provided on the adjusting piston 307. A damping hole 309 is formed, and a small hole is also opened in the center of the fixed piston 306 inside the fixed rod 310. An adjusting rod 311 is inserted through the fixed rod 310. The adjusting rod 311 passes through the small hole and is fixedly connected to the adjusting piston 307. The adjusting rod 311 passes through the second damping cylinder 302. The outer wall of the end of the adjusting rod 311 that passes through the second damping cylinder 302 has a sharp edge. A liquid replenishment hole 312 is opened on the outer wall of the first damping cylinder 301. A viscous liquid 313 is provided inside the first damping cylinder 301. Several ends 303 are inserted into several connecting units one by one. Bolt holes 314 corresponding to threaded holes 103 are opened on the ends 303. The ends 303 are fixedly connected to the two connecting parts 102 of the connecting unit through bolts 104 in the threaded holes 103.

Claims

1. A vibration damping rigid foundation for vibrating equipment without fixed connection, characterized in that, Includes a foundation (1), on which a rigid component is fixedly connected to the side, and a horizontal vibration damping and energy dissipation damper (3) is fixedly connected to the rigid component. The other end of the horizontal vibration damping and energy dissipation damper (3) is fixedly connected to a vibration device, and a vertical vibration isolation layer (2) is provided at the bottom of the foundation (1).

2. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 1, characterized in that, The foundation (1) has a concave cross section and is made of reinforced concrete. Before pouring concrete, the steel component is pre-embedded on the side of the foundation (1). The vertical vibration damping layer (2) is laid on the bottom surface of the foundation (1).

3. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 1, characterized in that, The rigid component includes a pre-embedded steel plate (101). Before the foundation (1) is poured with concrete, the pre-embedded steel plate (101) is vertically embedded on the side of the foundation (1). Several connecting units are fixedly connected side by side on the other end face of the pre-embedded steel plate (101). Each of the several connecting units is provided with a threaded hole (103). The several connecting units are fixedly connected to the horizontal vibration damping energy dissipation damper (3) in the threaded hole (103) by bolts (104).

4. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 3, characterized in that, The connection unit includes two connectors (102), both of which have threaded holes (103). The two connectors (102) are fixed to the horizontal vibration damping energy dissipation damper (3) in the threaded holes (103) by bolts (104).

5. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 4, characterized in that, The vertical vibration damping layer (2) includes a sand and gravel vibration damping pad layer (201), which is laid on the bottom surface of the foundation (1). A particle rubber vibration damping pad layer (202) is laid on the top surface of the sand and gravel vibration damping pad layer (201), and a crushed stone vibration damping pad layer (203) is laid on the top surface of the particle rubber vibration damping pad layer (202). The bottom surface of the vibrating equipment is in contact with the crushed stone vibration damping pad layer (203).

6. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 5, characterized in that, The horizontal vibration damping and energy dissipation damper (3) includes a first damping cylinder (301), a second damping cylinder (302) is slidably connected to the outer wall of the first damping cylinder (301), a plurality of end heads (303) are fixedly connected to the end of the second damping cylinder (302) away from the first damping cylinder (301), and the plurality of end heads (303) are connected one-to-one with the plurality of connecting units. A partition disk (305) is fixedly connected to the inner wall of the first damping cylinder (301). A through hole is provided in the center of the disc (305), and a fixing rod (310) is provided in the through hole. The fixing rod (310) is hollow columnar. The separating disc (305) is slidably connected to the fixing rod (310). Several springs (304) are fixedly connected to the end face of the separating disc (305) near the end (303). The other end of each spring (304) is fixedly connected to the second damping cylinder (302). One end of the fixing rod (310) is connected to the second damping cylinder (302). The sleeve (302) is fixedly connected, and a fixed piston (306) is fixedly connected to the other end of the fixed rod (310). The fixed piston (306) has fixed damping holes (308) of different sizes. The fixed piston (306) has a jacket, and an adjusting piston (307) is provided in the jacket. The adjusting piston (307) has several fan-shaped damping holes (309). The fixed piston (306) also has a small hole at its center inside the fixed rod (310). An adjusting rod (311) is inserted inside the fixed rod (310). The adjusting rod (311) passes through the small hole and is fixedly connected to the adjusting piston (307). The adjusting rod (311) passes through the second damping cylinder (302). The outer wall of the end of the adjusting rod (311) that protrudes from the second damping cylinder (302) has a sharp edge. A liquid replenishment hole (312) is opened on the outer wall of the first damping cylinder (301). A viscous liquid (313) is provided inside the first damping cylinder (301).

7. The vibration damping rigid foundation for vibration equipment without fixed connection according to claim 6, characterized in that, A plurality of the end caps (303) are inserted into a plurality of the connecting units in a one-to-one correspondence. The end caps (303) are provided with bolt holes (314) corresponding to the threaded holes (103). The end caps (303) are fixedly connected to the two connecting parts (102) of the connecting unit by bolts (104) in the threaded holes (103).

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