Tensile detection device for shock insulation support

Abstract

The invention discloses a shock insulation support tensile strength detection device, and relates to the technical field of shock insulation support tensile strength detection, the shock insulation support tensile strength detection device comprises a detection base and a tensile strength detection assembly, hydraulic push rods are fixed on two sides of the detection base, and the tensile strength detection assembly is connected to the bottom of a lifting beam frame and the surface of the detection base. According to the tensile strength detection device for the shock insulation support, the shock insulation support only needs to be placed in the adaptive groove, and by means of staggered distribution of bolt holes and electric telescopic piston rods, steel plate clamping hooks can stably clamp the side edges of a lower steel plate and an upper steel plate of the shock insulation support under the self-gravity of the shock insulation support and the descending action of a lifting beam frame, so that the tensile strength of the shock insulation support is detected; after detection is finished, an electric telescopic piston rod penetrates through a bolt hole to be reset through rotation of a rotating disc, so that a steel plate clamping hook automatically gets away from the shock insulation support assembly to loosen clamping of the shock insulation support assembly, the labor burden of manual repeated screwing and unscrewing of bolts for reinforcement and disassembly is reduced, and the working efficiency is improved. And the tensile detection operation of the shock insulation support is simpler.

Description

Technical Field

[0001] The invention relates to the technical field of anti-tensile testing of seismic isolation bearings, and in particular to an anti-tensile testing device for seismic isolation bearings. Background Art

[0002] The tensile test of house isolation bearings is an important part of evaluating the performance of isolation bearings. It aims to verify the bearing's bearing capacity, deformation characteristics, durability and other indicators when subjected to tensile loads, to ensure that it meets the design requirements and is safe to use.

[0003] When the existing house seismic isolation bearings are subjected to tensile testing after production, the top and bottom of the bearings are usually connected to the tensile tester of the tensile testing machine by bolts, wherein the bolted connection is often manually screwed, resulting in overly cumbersome disassembly and assembly of the house seismic isolation bearings before and after the tensile testing.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a seismic isolation bearing tensile testing device is proposed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a seismic isolation bearing tensile testing device, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical scheme: a seismic isolation bearing tensile detection device, including a detection base and a tensile detection component, hydraulic push rods are fixed on both sides of the detection base, and the top of the hydraulic push rod is connected to a lifting beam frame, the tensile detection component is connected to the bottom of the lifting beam frame and the surface of the detection base, the tensile detection component includes a loading plate, a rotating disk, a hydraulic transmission cylinder, an electric telescopic piston rod, an infusion hose, a U-shaped transmission tube, a transmission piston rod, a steel plate clamp hook and a slide groove, the interior of the loading plate is embedded with a rotating disk, and a hydraulic transmission cylinder is fixed at the edge of the surface of the rotating disk, the bottom of the hydraulic transmission cylinder is penetrated by an electric telescopic piston rod, and the top of the hydraulic transmission cylinder is connected to an infusion hose, the end of the infusion hose is connected to the U-shaped transmission tube, and the end of the U-shaped transmission tube is penetrated by a transmission piston rod, the end of the transmission piston rod is fixed with a steel plate clamp hook, and slide grooves are opened around the surface of the loading plate.

[0007] Furthermore, the U-shaped transmission tube is fixedly connected to the loading plate via a bracket, and the steel plate clamping hook is slidably connected to the loading plate via a sliding groove.

[0008] Furthermore, the loading plates are arranged opposite to each other in an up-and-down manner, and matching grooves are provided on the opposite surfaces of the loading plates.

[0009] Furthermore, a seismic isolation bearing assembly is arranged between the adapting grooves, and the seismic isolation bearing assembly includes a lower steel plate, a rubber buffer intermediate and an upper steel plate, the rubber buffer intermediate is fixed on the surface of the lower steel plate, and the upper steel plate is fixed on the top of the rubber buffer intermediate.

[0010] Furthermore, the seismic isolation bearing assembly also includes bolt holes, and the surfaces of the upper steel plate and the lower steel plate are both provided with bolt holes.

[0011] Furthermore, the bolt holes and the electric telescopic piston rod are both distributed in a ring shape, and the electric telescopic piston rod and the bolt holes are distributed in a staggered manner.

[0012] Furthermore, the tensile test assembly also includes a driving motor, and the driving motor is fixed to the bottom of the inner wall of the lifting beam and the surface of the test base.

[0013] Furthermore, the output end of the driving motor is connected to the rotating disk, and the rotating disk is rotatably connected to the loading plate.

[0014] Furthermore, the tensile test assembly also includes a movable ball, and the end of the electric telescopic piston rod is embedded with the movable ball.

[0015] Furthermore, a distance measuring sensor is fixed to the side of the loading plate by a threaded clamp, and a tension sensor is arranged inside the steel plate clamp hook.

[0016] The present invention provides a seismic isolation bearing tensile testing device, which has the following beneficial effects: 1. The seismic isolation bearing tensile testing device only needs to place the seismic isolation bearing inside the adapter groove, and utilize the staggered distribution of the bolt hole and the electric telescopic piston rod. Under the gravity of the seismic isolation bearing and the descending action of the lifting beam frame, the steel plate clamp hook can stably clamp the lower steel plate and the upper steel plate of the seismic isolation bearing. After the test is completed, the electric telescopic piston rod is reset through the bolt hole by rotating the rotating disk, so that the steel plate clamp hook automatically moves away from the seismic isolation bearing assembly to release the clamping thereof, thereby reducing the labor burden of manually repeatedly tightening and unscrewing the bolts for reinforcement and disassembly, making the tensile testing operation of the seismic isolation bearing simpler.

[0017] 2. The rotation angle of the rotating disk of the seismic isolation bearing tensile testing device is limited. It is only necessary to rotate the electric telescopic piston rod located between the two bolt holes to the position of any bolt hole. Since the length of the infusion hose is appropriately extended, the flexible structure of the infusion hose and the appropriately extended length can always keep the U-shaped transmission tube and the hydraulic transmission cylinder connected when the rotating disk rotates.

[0018] 3. In the seismic isolation bearing tensile testing device, the electric telescopic piston rod uses the movable ball at the end thereof to roll along the surface of the lower steel plate and the upper steel plate when the electric telescopic piston rod rotates with the rotating disk, thereby converting the sliding friction between the electric telescopic piston rod and the surface of the lower steel plate and the upper steel plate into rolling friction, thereby preventing the electric telescopic piston rod from causing wear to the surface of the lower steel plate and the upper steel plate when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a seismic isolation support tensile testing device of the present invention when a seismic isolation support component is placed between tensile testing components; Figure 2 It is a schematic structural diagram of a seismic isolation support assembly of a seismic isolation support tensile testing device of the present invention; Figure 3 It is a schematic diagram of the structure of a hydraulic push rod of a seismic isolation bearing tensile testing device of the present invention; Figure 4 It is a schematic diagram of the connection structure between a loading plate and a detection base of a seismic isolation bearing tensile test device of the present invention; Figure 5 It is a schematic diagram of the connection structure between a loading plate and a lifting beam frame of a seismic isolation bearing tensile testing device of the present invention; Figure 6 It is a schematic diagram of the structure of an adapter slot of a seismic isolation bearing tensile testing device of the present invention; Figure 7 It is a schematic diagram of the structure of a seismic isolation bearing tensile testing device after the electric telescopic piston rod and the hydraulic transmission cylinder are separated.

[0020] In the figure: 1. detection base; 2. hydraulic push rod; 3. lifting beam; 4. tensile test assembly; 401. loading plate; 402. rotating disk; 403. hydraulic transmission cylinder; 404. electric telescopic piston rod; 405. infusion hose; 406. U-shaped transmission tube; 407. transmission piston rod; 408. steel plate clamp hook; 409. slide groove; 410. drive motor; 411. movable ball; 5. adapter groove; 6. seismic isolation bearing assembly; 601. lower steel plate; 602. rubber buffer intermediate; 603. upper steel plate; 604. bolt hole. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] like Figure 1-Figure 7As shown, the present invention provides a technical solution: a seismic isolation bearing tensile test device, including a test base 1 and a tensile test assembly 4, hydraulic push rods 2 are fixed on both sides of the test base 1, and the top of the hydraulic push rod 2 is connected to a lifting beam frame 3, the tensile test assembly 4 is connected to the bottom of the lifting beam frame 3 and the surface of the test base 1, the tensile test assembly 4 includes a loading plate 401, a rotating disk 402, a hydraulic transmission cylinder 403, an electric telescopic piston rod 404, an infusion hose 405, a U-shaped transmission tube 406, a transmission piston rod 407, a steel plate clamp hook 408 and a slide groove 409, the inner surface of the loading plate 401 A rotating disk 402 is embedded in the bottom, and a hydraulic transmission cylinder 403 is fixed on the edge of the surface of the rotating disk 402, an electric telescopic piston rod 404 is penetrated at the bottom of the hydraulic transmission cylinder 403, and an infusion hose 405 is connected to the top of the hydraulic transmission cylinder 403, and a U-shaped transmission tube 406 is connected to the end of the infusion hose 405, and a transmission piston rod 407 is penetrated at the end of the U-shaped transmission tube 406, and a steel plate clamp hook 408 is fixed to the end of the transmission piston rod 407, and a sliding groove 409 is opened around the surface of the loading plate 401, and the U-shaped transmission tube 406 is fixedly connected to the loading plate 401 through a bracket, wherein The bracket is not shown in the figure, and the steel plate clamping hook 408 is slidably connected to the loading plate 401 through the sliding groove 409. The loading plates 401 are arranged opposite to each other in an upper and lower manner, and the opposite surfaces of the loading plates 401 are provided with an adapting groove 5, and a seismic isolation support assembly 6 is arranged between the adapting grooves 5. The seismic isolation support assembly 6 includes a lower steel plate 601, a rubber buffer intermediate body 602 and an upper steel plate 603. The surface of the lower steel plate 601 is fixed with a rubber buffer intermediate body 602, and the top of the rubber buffer intermediate body 602 is fixed with an upper steel plate 603. The seismic isolation support assembly 6 also includes a bolt hole 604, and the upper steel plate 603 and the lower steel plate 601 are provided with a rubber buffer intermediate body 602. The surface of the plate 601 is provided with bolt holes 604, and the bolt holes 604 and the electric telescopic piston rod 404 are distributed in a ring shape, and the electric telescopic piston rod 404 and the bolt holes 604 are staggered. The tensile detection component 4 also includes a driving motor 410, and the bottom of the inner wall of the lifting beam frame 3 and the surface of the detection base 1 are fixed with the driving motor 410, and the output end of the driving motor 410 is connected to the rotating disk 402, and the rotating disk 402 is rotatably connected to the loading plate 401. A distance sensor is fixed to the side of the loading plate 401 through a threaded clamp, and a tension sensor is arranged inside the steel plate clamp hook 408; The specific operation is as follows: the seismic isolation support assembly 6 is placed between the tensile test assemblies 4, wherein the lower steel plate 601 fits and is placed inside the adapter groove 5 on the surface of the loading plate 401 located below it. At this time, the bolt holes 604 on the surface of the lower steel plate 601 and the upper steel plate 603 are staggered with the electric telescopic piston rod 404 at the bottom of the two rotating disks 402. Therefore, under the action of gravity, the seismic isolation support assembly 6 presses down the electric telescopic piston rod 404 below it to retract it into the hydraulic transmission cylinder 403, so that the oil inside the hydraulic transmission cylinder 403 enters the U along the infusion hose 405. The transmission tube 406 is used to push the transmission piston rod 407 to extend, so that the steel plate clamping hook 408 slides along the inside of the slide groove 409 to approach the side of the lower steel plate 601, until the steel plate clamping hook 408 is tightly hooked on the side of the lower steel plate 601, wherein the telescopic function of the electric telescopic piston rod 404 itself ensures that the steel plate clamping hook 408 is hooked on the side of the lower steel plate 601 and also ensures that the lower steel plate 601 is tightly placed in the adapter groove 5 to avoid gaps, wherein the bottom of the loading plate 401 located below is directly fixed to the surface of the detection base 1 by pillars around the bottom; Similarly, when the lifting beam 3 carrying the tensile test assembly 4 above is lowered by telescopic control of the hydraulic push rod 2, the adaption groove 5 on the lower surface of the upper loading plate 401 is adapted to the upper steel plate 603, and the bottom of the electric telescopic piston rod 404 contacts the upper steel plate 603 and is pressed into the hydraulic transmission cylinder 403 by force, thereby causing the upper steel plate clamping hook 408 to hook the side of the upper steel plate 603; Then, the hydraulic push rod 2 is used to control the lifting beam frame 3 to carry the tensile test assembly 4 upward, thereby performing a tensile test on the seismic isolation support assembly 6, and the tensile force sensor and the distance sensor are used to record the tensile force data and the displacement data, so as to determine whether the seismic isolation support assembly 6 is qualified after the test is completed; After the test is completed, the hydraulic push rod 2 contracts so that the entire weight of the seismic isolation support assembly 6 acts on the loading plate 401 below. At this time, the driving motor 410 drives the rotating disk 402 to rotate so that the electric telescopic piston rod 404 moves along the surface of the lower steel plate 601 and the upper steel plate 603 until each electric telescopic piston rod 404 passes through the bolt hole 604. At this time, each electric telescopic piston rod 404 loses force and resets, so that the steel plate clamp hook 408 retracts with the transmission piston rod 407 to move away from the side of the lower steel plate 601 and the upper steel plate 603. Therefore, the clamping of the seismic isolation support assembly 6 can be automatically terminated after the detection is completed, so that the seismic isolation support assembly 6 can be removed later. The rotation angle of the rotating disk 402 is limited. It is only necessary to rotate the electric telescopic piston rod 404 located between the two bolt holes 604 to the position of any bolt hole 604. Since the length of the infusion hose 405 is appropriately extended, the flexible structure of the infusion hose 405 and the appropriately extended length can always keep the U-shaped transmission tube 406 connected with the hydraulic transmission cylinder 403 when the rotating disk 402 rotates. Based on the above description, the present invention does not need to align the holes on the surface of the seismic isolation bearing with the holes on the test platform when performing tensile test on the seismic isolation bearing, nor does it need to fasten the seismic isolation bearing by bolting. The present invention only needs to place the seismic isolation bearing inside the adapter groove 5, and utilize the staggered distribution of the bolt hole 604 and the electric telescopic piston rod 404. Under the gravity of the seismic isolation bearing itself and the descending action of the lifting beam 3, the steel plate clamp hook 408 can stably clamp the sides of the lower steel plate 601 and the upper steel plate 603 of the seismic isolation bearing, and after the test is completed, the electric telescopic piston rod 404 is reset through the bolt hole 604 by rotating the rotating disk 402, so that the steel plate clamp hook 408 automatically moves away from the seismic isolation bearing assembly 6 to release its clamping, thereby reducing the labor burden of manual repeated tightening and unscrewing of bolts for reinforcement and disassembly, making the tensile test operation of the seismic isolation bearing simpler.

[0023] like Figure 1-Figure 7 As shown, the tensile test assembly 4 further includes a movable ball 411, and the end of the electric telescopic piston rod 404 is embedded with the movable ball 411; The specific operation is as follows: when the electric telescopic piston rod 404 rotates with the rotating disk 402, the movable ball 411 at its end rolls along the surface of the lower steel plate 601 and the upper steel plate 603, thereby converting the sliding friction between the electric telescopic piston rod 404 and the surface of the lower steel plate 601 and the upper steel plate 603 into rolling friction, thereby preventing the electric telescopic piston rod 404 from causing wear to the surface of the lower steel plate 601 and the upper steel plate 603 when moving.

[0024] In summary, when the seismic isolation bearing tensile test device is used, the seismic isolation bearing assembly 6 is first placed between the tensile test assemblies 4, wherein the lower steel plate 601 fits and is placed inside the adapter groove 5 on the surface of the loading plate 401 located below it. At this time, the bolt holes 604 on the surface of the lower steel plate 601 and the upper steel plate 603 are staggered with the electric telescopic piston rod 404 at the bottom of the two rotating disks 402. Therefore, under the action of gravity, the seismic isolation bearing assembly 6 presses down the electric telescopic piston rod 404 below it to retract it into the hydraulic transmission cylinder 403, so that The oil in the hydraulic transmission cylinder 403 enters the U-shaped transmission tube 406 along the infusion hose 405 to push the transmission piston rod 407 to extend, so that the steel plate clamping hook 408 slides along the inside of the slide groove 409 to approach the side of the lower steel plate 601, until the steel plate clamping hook 408 tightly hooks the side of the lower steel plate 601, wherein the telescopic function of the electric telescopic piston rod 404 itself ensures that the steel plate clamping hook 408 hooks the side of the lower steel plate 601 and also ensures that the lower steel plate 601 is tightly placed in the adapter groove 5 to avoid gaps; Similarly, when the lifting beam 3 carrying the tensile test assembly 4 above is lowered by telescopic control of the hydraulic push rod 2, the adapting groove 5 on the lower surface of the upper loading plate 401 is adapted to the upper steel plate 603, and the bottom of the electric telescopic piston rod 404 contacts the upper steel plate 603 and is pressed into the hydraulic transmission cylinder 403 by force, thereby making the upper steel plate clamping hook 408 hook the side of the upper steel plate 603, and then the hydraulic push rod 2 is used to control the lifting beam 3 carrying the tensile test assembly 4 above to rise, thereby performing tensile test on the seismic isolation bearing assembly 6, and using the tensile force sensor and the distance sensor to record the tensile force data and the displacement data, so as to determine whether the seismic isolation bearing assembly 6 is qualified after the test; After the detection is completed, the hydraulic push rod 2 contracts so that the entire weight of the seismic isolation support assembly 6 acts on the loading plate 401 below. At this time, the driving motor 410 drives the rotating disk 402 to rotate, so that the electric telescopic piston rod 404 moves along the surface of the lower steel plate 601 and the upper steel plate 603 until each electric telescopic piston rod 404 passes through the bolt hole 604. At this time, each electric telescopic piston rod 404 loses force and resets, so that the steel plate clamping hook 408 retracts with the transmission piston rod 407 to move away from the sides of the lower steel plate 601 and the upper steel plate 603, so that the clamping of the seismic isolation support assembly 6 can be automatically ended after the detection is completed, so that the seismic isolation support assembly 6 can be removed later.

[0025] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A seismic isolation bearing tensile test device, comprising a test base (1) and a tensile test assembly (4), characterized in that: Hydraulic push rods (2) are fixed on both sides of the detection base (1), and the top of the hydraulic push rods (2) is connected to a lifting beam frame (3). The tensile detection component (4) is connected to the bottom of the lifting beam frame (3) and the surface of the detection base (1). The tensile detection component (4) comprises a loading plate (401), a rotating disk (402), a hydraulic transmission cylinder (403), an electric telescopic piston rod (404), an infusion hose (405), a U-shaped transmission tube (406), a transmission piston rod (407), a steel plate clamp hook (408) and a slide groove (409). The loading plate (401) is embedded with a rotating disk (402). A rotating disk (402) is provided, and a hydraulic transmission cylinder (403) is fixed at the edge of the surface of the rotating disk (402); an electric telescopic piston rod (404) is passed through the bottom of the hydraulic transmission cylinder (403); an infusion hose (405) is connected to the top of the hydraulic transmission cylinder (403); a U-shaped transmission tube (406) is connected to the end of the infusion hose (405); a transmission piston rod (407) is passed through the end of the U-shaped transmission tube (406); a steel plate clamping hook (408) is fixed to the end of the transmission piston rod (407); and sliding grooves (409) are provided around the surface of the loading plate (401).

2. The seismic isolation bearing tensile testing device according to claim 1, characterized in that: The U-shaped transmission tube (406) is fixedly connected to the loading plate (401) via a bracket, and the steel plate clamping hook (408) is slidably connected to the loading plate (401) via a sliding groove (409).

3. The seismic isolation bearing tensile testing device according to claim 1, characterized in that: The loading plates (401) are arranged opposite to each other in an up-and-down manner, and matching grooves (5) are provided on the opposite surfaces of the loading plates (401).

4. The seismic isolation bearing tensile testing device according to claim 3, characterized in that: A seismic isolation support assembly (6) is arranged between the adapting grooves (5), and the seismic isolation support assembly (6) comprises a lower steel plate (601), a rubber buffer intermediate body (602), and an upper steel plate (603), the rubber buffer intermediate body (602) being fixed on the surface of the lower steel plate (601), and the upper steel plate (603) being fixed on the top of the rubber buffer intermediate body (602).

5. The seismic isolation bearing tensile testing device according to claim 4, characterized in that: The seismic isolation support assembly (6) further comprises bolt holes (604), and the surfaces of the upper steel plate (603) and the lower steel plate (601) are both provided with bolt holes (604).

6. The seismic isolation bearing tensile testing device according to claim 5, characterized in that: The bolt hole (604) and the electric telescopic piston rod (404) are both distributed in a ring shape, and the electric telescopic piston rod (404) and the bolt hole (604) are distributed in a staggered manner.

7. The seismic isolation bearing tensile testing device according to claim 1, characterized in that: The tensile testing component (4) further comprises a driving motor (410), and the driving motor (410) is fixed to the bottom of the inner wall of the lifting beam frame (3) and the surface of the testing base (1).

8. The seismic isolation bearing tensile testing device according to claim 7, characterized in that: The output end of the driving motor (410) is connected to the rotating disk (402), and the rotating disk (402) is rotatably connected to the loading plate (401).

9. The seismic isolation bearing tensile testing device according to claim 8, characterized in that: The tensile testing component (4) further comprises a movable ball (411), and the movable ball (411) is embedded in the end of the electric telescopic piston rod (404).

10. The seismic isolation bearing tensile testing device according to claim 1, characterized in that: A distance measuring sensor is fixed to the side of the loading plate (401) via a threaded clamp, and a tension sensor is arranged inside the steel plate clamp hook (408).

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