Torsional anti-overturning composite rubber shock insulation support

Abstract

The utility model relates to the technical field of shock insulation supports, in particular to a torsional anti-overturning composite rubber shock insulation support which comprises a shock insulation support mechanism, the top of the shock insulation support mechanism is fixedly connected with a shell, a concave block is welded to the bottom of the inner wall of the shell, the top of the concave block is connected with a torsional connecting piece in a contact mode, and the torsional connecting piece is connected with the torsional connecting piece. The surface of the torsion connecting piece is fixedly sleeved with a damping material, and a supporting plate is welded to the top of the torsion connecting piece. The supporting plate inclines to drive the circular ring to incline, the piston rod and the piston move upwards or downwards under the action of the movable plate, and lubricating oil in the lubricating oil tank enters the cylinder through the first hose and then is discharged into the hole channel through the second connecting pipe and the second hose. And finally, the lubricating oil enters the space between the concave block and the torsion connecting piece to be lubricated, the advantage that the space between the concave block and the torsion connecting piece can be lubricated is achieved, and long-time rotation abrasion damage is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of seismic isolation bearings, in particular to a torsionally anti-overturning composite rubber seismic isolation bearing. Background Art

[0002] Seismic isolation bearings refer to supporting devices that are installed in structures to meet seismic isolation requirements. Seismic isolation layers are added between the superstructure and the foundation, and rubber seismic isolation bearings are installed to provide a soft connection to the ground. Through this technology, about 80% of the energy of an earthquake can be offset.

[0003] After searching, the patent number is CN104499571B, and the name is invention of torsional anti-overturning composite rubber seismic isolation bearing, which includes rubber seismic isolation bearing, rotating half groove, torsional upper connecting shaft plate, damping material and sliding surface material. Through research and analysis, it is found that although it has the advantage of solving the problem of damage caused by bending moment of rubber seismic isolation bearing, it still has the following disadvantages to a certain extent.

[0004] For example, the torsional parts cannot be lubricated, and long-term rotation of the torsional parts causes wear, which limits the service life and affects the normal torsional anti-overturning function, and cannot meet the needs of long-term use. In order to solve the above technical problems, we have designed a torsional anti-overturning composite rubber seismic isolation bearing. Utility Model Content

[0005] The purpose of the utility model is to provide a torsional anti-overturning composite rubber seismic isolation bearing, which has the advantages of lubrication and torsional anti-overturning, and solves the problem that lubrication cannot be performed between the torsional parts, and long-term use of the torsional parts causes wear, resulting in limited service life and affecting the normal torsional anti-overturning function.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a torsionally anti-overturning composite rubber seismic isolation bearing, comprising a seismic isolation bearing mechanism, the top of which is fixedly connected to a shell, a concave block is welded to the bottom of the inner wall of the shell, the top of the concave block is contacted and connected to a torsion connecting piece, the surface of the torsion connecting piece is fixedly sleeved with damping material, a support plate is welded to the top of the torsion connecting piece, and a lubrication mechanism is installed on the surface of the shell.

[0007] Preferably, the lubrication mechanism includes a lubricating oil tank and a cylinder, the surface of the cylinder is fixedly connected to the surface of the seismic isolation support mechanism through a support rod, the right side of the cylinder surface is connected to a connecting pipe 1, the end of the connecting pipe 1 away from the cylinder is connected to a hose 1, one end of the hose 1 is connected to the bottom of the right side of the lubricating oil tank, and the surface of the connecting pipe 1 close to both ends of the cylinder is installed with a one-way valve 1.

[0008] Preferably, the left side of the cylinder surface is connected to a connecting pipe 2, the end of the connecting pipe 2 away from the cylinder is connected to a hose 2, one end of the hose 2 passes through the bottom embedded in the right side of the shell, and the surface of the connecting pipe 2 close to both ends of the cylinder is installed with a one-way valve 2.

[0009] Preferably, a circular frame is fixedly connected to the bottom of the support plate, a circular ring is movably sleeved on the surface of the circular frame, a ball is arranged between the outer surface of the circular frame and the inner surface of the circular ring, a movable plate is rotatably connected to the right side of the circular ring via a rotating shaft, a piston rod is slidably penetrated through the top of the cylinder, a piston is fixedly connected to the bottom end of the piston rod, and the bottom end of the movable plate is rotatably connected to the upper end of the piston rod via a rotating shaft.

[0010] Preferably, the seismic isolation bearing mechanism includes a lower connecting steel plate and an upper connecting steel plate, the top of the lower connecting steel plate is fixedly connected to a lower sealing plate, the bottom of the upper connecting steel plate is fixedly connected to an upper sealing plate, a lead core is arranged between the upper connecting steel plate and the lower connecting steel plate, the surface of the lead core is covered with internal rubber and internal steel plate, there are several internal rubbers and internal steel plates, and they are alternately arranged and stacked, and the surfaces of the internal rubbers and internal steel plates are covered with rubber protective layers.

[0011] Preferably, a channel is opened inside the concave block, and the surface of the concave block is in contact with the surface of the torsion connector.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model has the advantage of being able to isolate earthquakes through the cooperation of the lower connecting steel plate, the upper connecting steel plate, the lower sealing plate, the upper sealing plate, the internal rubber, the internal steel plate and the lead core, and can withstand large horizontal deformations. It can be used as a part of the load-bearing system, and an isolation layer is added between the upper structure and the foundation, and an isolation support mechanism is installed to achieve a soft connection with the ground, thereby offsetting the energy generated by the earthquake.

[0014] The utility model has the advantage of being torsionally resistant to overturning through the cooperation of the shell, the concave block, the torsion connector, the damping material and the support plate. When the support plate is subjected to the bending moment, the torsion connector can be rotated along the inner wall of the concave block to avoid the occurrence of tensile stress and damage to the seismic isolation support mechanism. Under the action of the damping material, the torsion force is consumed, which plays a role in dissipating energy and ensures the safety of the structure under the action of an earthquake.

[0015] The utility model has the advantage of being able to lubricate the concave block and the torsion connection piece through the cooperation of the lubricating oil tank, the cylinder, the first connecting pipe, the first hose, the first check valve, the second connecting pipe, the second hose, the second check valve, the round frame, the round ring, the movable plate, the piston rod and the piston, and effectively avoids long-term rotation wear and damage. The inclination of the support plate drives the round ring to incline, and the piston rod and the piston move upward or downward under the action of the movable plate, so that the lubricating oil in the lubricating oil tank enters the cylinder through the first hose, is discharged into the channel through the second connecting pipe and the second hose, and finally enters between the concave block and the torsion connection piece for lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a partially cutaway stereoscopic schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is an enlarged schematic diagram;

[0019] Figure 4 For this utility model Figure 2 A magnified schematic diagram of B;

[0020] Figure 5 It is a three-dimensional schematic diagram of the torsion connector and the circular ring of the utility model.

[0021] In the figure: 1. seismic isolation bearing mechanism; 101. lower connecting steel plate; 102. upper connecting steel plate; 103. lower sealing plate; 104. upper sealing plate; 105. internal rubber; 106. internal steel plate; 107. lead core; 2. shell; 3. concave block; 4. torsion connector; 5. damping material; 6. support plate; 7. lubrication mechanism; 701. lubricating oil tank; 702. cylinder; 703. connecting pipe 1; 704. hose 1; 705. one-way valve 1; 706. connecting pipe 2; 707. hose 2; 708. one-way valve 2; 709. round frame; 710. ring; 711. ball; 712. movable plate; 713. piston rod; 714. piston; 8. channel. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 A torsionally anti-overturning composite rubber seismic isolation bearing comprises a seismic isolation bearing mechanism 1, the top of which is fixedly connected to a shell 2, a concave block 3 is welded to the bottom of the inner wall of the shell 2, the top of the concave block 3 is contact-connected with a torsion connector 4, a damping material 5 is fixedly sleeved on the surface of the torsion connector 4, a support plate 6 is welded to the top of the torsion connector 4, and a lubrication mechanism 7 is installed on the surface of the shell 2.

[0023] See also Figure 1 , Figure 2 and Figure 3 The lubrication mechanism 7 includes a lubricating oil tank 701 and a cylinder 702. The surface of the cylinder 702 is fixedly connected to the surface of the seismic isolation support mechanism 1 through a support rod. The right side of the surface of the cylinder 702 is connected with a connecting pipe 703. The end of the connecting pipe 703 away from the cylinder 702 is connected with a hose 704. One end of the hose 704 is connected to the bottom of the right side of the lubricating oil tank 701. A one-way valve 705 is installed on the surface of the connecting pipe 703 close to both ends of the cylinder 702. By arranging the connecting pipe 703, the hose 704 and the one-way valve 705, the lubricating oil in the lubricating oil tank 701 can be transported into the cylinder 702 under the action of the downward or upward movement of the piston 714.

[0024] See also Figure 1 , Figure 2 and Figure 3 The left side of the surface of the cylinder 702 is connected with a connecting pipe 2 706, and the end of the connecting pipe 2 706 away from the cylinder 702 is connected with a hose 2 707, one end of the hose 2 707 penetrates and is embedded in the bottom of the right side of the shell 2, and the surface of the connecting pipe 2 706 close to both ends of the cylinder 702 is installed with a one-way valve 2 708. By setting the connecting pipe 2 706, the hose 2 707 and the one-way valve 2 708, the lubricating oil in the cylinder 702 can be transported to the channel 8 under the action of the downward or upward movement of the piston 714.

[0025] See also Figure 2 , Figure 4 and Figure 5 The bottom of the support plate 6 is fixedly connected with a circular frame 709, and a circular ring 710 is movably sleeved on the surface of the circular frame 709. A ball 711 is arranged between the outer surface of the circular frame 709 and the inner surface of the circular ring 710. By arranging the ball 711, the circular frame 709 and the circular ring 710 are fixed, and at the same time, the circular ring 710 does not hinder the movement trajectory of the circular frame 709, and at the same time, the circular frame 709 can drive the circular ring 710 to tilt. The right side of the circular ring 710 is rotatably connected with a movable plate 712 through a rotating shaft. By arranging the movable plate 712, the circular ring 710 and the piston rod 713 are indirectly connected, so that the circular ring 710 can drive the piston rod 713 and the piston 714 to move when tilting. The top of the cylinder 702 is slidably penetrated with a piston rod 713, and the bottom end of the piston rod 713 is fixedly connected with a piston 714, and the bottom end of the movable plate 712 is rotatably connected to the upper end of the piston rod 713 through a rotating shaft.

[0026] See also Figure 1 and Figure 2The seismic isolation bearing mechanism 1 includes a lower connecting steel plate 101 and an upper connecting steel plate 102. The top of the lower connecting steel plate 101 is fixedly connected with a lower sealing plate 103, and the bottom of the upper connecting steel plate 102 is fixedly connected with an upper sealing plate 104. A lead core 107 is arranged between the upper connecting steel plate 102 and the lower connecting steel plate 101. The surface of the lead core 107 is sheathed with an internal rubber 105 and an internal steel plate 106. By arranging the internal rubber 105 and the internal steel plate 106, the vertical bearing capacity of the bearing is improved, and it has a large horizontal deformation capacity and the ability to resist repeated load fatigue. There are several internal rubbers 105 and internal steel plates 106, which are alternately arranged and stacked. The surfaces of the internal rubbers 105 and the internal steel plates 106 are sheathed with a rubber protective layer.

[0027] See also Figure 2 A channel 8 is provided inside the concave block 3. By providing the channel 8, the lubricating oil discharged from the hose 2 707 passes through the channel and enters between the concave block 3 and the torsion connector 4 for lubrication, and the surface of the concave block 3 and the surface of the torsion connector 4 are in contact with each other.

[0028] During use, when the support plate 6 is subjected to a bending moment, the torsion connector 4 can rotate along the inner wall of the concave block 3, thereby preventing the seismic isolation support mechanism 1 from being damaged due to tensile stress, and under the action of the damping material 5, the torsional force is consumed to dissipate energy. The inclination of the support plate 6 drives the ring 710 to incline, and under the action of the movable plate 712, the piston rod 713 and the piston 714 move upward or downward, and the lubricating oil in the lubricating oil tank 701 enters the cylinder 702 through the hose 1 704, and then is discharged into the channel 8 through the connecting pipe 2 706 and the hose 2 707, and finally enters between the concave block 3 and the torsion connector 4 for lubrication.

[0029] To sum up: the torsional anti-overturning composite rubber seismic isolation bearing, through the cooperation of the shell 2, the concave block 3, the torsional connector 4, the damping material 5, the support plate 6 and the lubrication mechanism 7, solves the problem that the torsional parts cannot be lubricated, the torsional parts are rotated for a long time and wear is caused, resulting in limited service life and affecting the normal torsional anti-overturning function.

Claims

1. A torsional anti-overturning composite rubber seismic isolation bearing, comprising a seismic isolation bearing mechanism (1), characterized in that: The top of the seismic isolation support mechanism (1) is fixedly connected to a shell (2), a concave block (3) is welded to the bottom of the inner wall of the shell (2), the top of the concave block (3) is contact-connected to a torsion connection piece (4), a damping material (5) is fixedly sleeved on the surface of the torsion connection piece (4), a support plate (6) is welded to the top of the torsion connection piece (4), and a lubrication mechanism (7) is installed on the surface of the shell (2).

2. The torsional anti-overturning composite rubber seismic isolation bearing according to claim 1 is characterized by: The lubrication mechanism (7) comprises a lubricating oil tank (701) and a cylinder (702); the surface of the cylinder (702) is fixedly connected to the surface of the seismic isolation support mechanism (1) via a support rod; the right side of the surface of the cylinder (702) is connected to a connecting pipe (703); the end of the connecting pipe (703) away from the cylinder (702) is connected to a hose (704); one end of the hose (704) is connected to the bottom of the right side of the lubricating oil tank (701); and the surfaces of the connecting pipe (703) close to both ends of the cylinder (702) are both installed with a one-way valve (705).

3. The torsional anti-overturning composite rubber seismic isolation bearing according to claim 2 is characterized by: The left side of the surface of the cylinder (702) is connected to a second connecting pipe (706), and the end of the second connecting pipe (706) away from the cylinder (702) is connected to a second hose (707), one end of the second hose (707) penetrates and is embedded in the bottom of the right side of the shell (2), and the surface of the second connecting pipe (706) close to both ends of the cylinder (702) is installed with a second one-way valve (708).

4. The torsional anti-overturning composite rubber seismic isolation bearing according to claim 2 is characterized by: A circular frame (709) is fixedly connected to the bottom of the support plate (6); a circular ring (710) is movably sleeved on the surface of the circular frame (709); a ball (711) is arranged between the outer surface of the circular frame (709) and the inner surface of the circular ring (710); a movable plate (712) is rotatably connected to the right side of the circular ring (710) via a rotating shaft; a piston rod (713) is slidably penetrated through the top of the cylinder (702); a piston (714) is fixedly connected to the bottom end of the piston rod (713); and the bottom end of the movable plate (712) is rotatably connected to the upper end of the piston rod (713) via a rotating shaft.

5. The torsional anti-overturning composite rubber seismic isolation bearing according to claim 1 is characterized by: The seismic isolation support mechanism (1) comprises a lower connecting steel plate (101) and an upper connecting steel plate (102); the top of the lower connecting steel plate (101) is fixedly connected to a lower sealing plate (103); the bottom of the upper connecting steel plate (102) is fixedly connected to an upper sealing plate (104); a lead core (107) is arranged between the upper connecting steel plate (102) and the lower connecting steel plate (101); the surface of the lead core (107) is sheathed with internal rubber (105) and internal steel plate (106); the number of the internal rubber (105) and the internal steel plate (106) is several and they are alternately arranged and stacked; the surfaces of the internal rubber (105) and the internal steel plate (106) are sheathed with a rubber protective layer.

6. The torsional anti-overturning composite rubber seismic isolation bearing according to claim 1 is characterized by: A hole (8) is provided inside the concave block (3), and the surface of the concave block (3) is in contact with the surface of the torsion connector (4).

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