Hydro-pneumatic spring vibration test system

Abstract

The utility model discloses a hydro-pneumatic spring vibration test system, which is characterized in that two linear optical shafts are in bolted connection by using a 2t bottom optical shaft locking ring, a middle steel plate is movably connected to the two linear optical shafts by using a linear motion ball bearing, and a total upper steel plate is arranged on the two linear optical shafts through through holes in two sides and is in threaded connection with the two linear optical shafts by using a hexagon nut; one end of a steel wire rope is movably connected with the lifting ring, the other end of the steel wire rope is movably connected with a motor, the steel wire rope penetrates through a central hole of the total upper steel plate, passes through a pulley and a test piece hydro-pneumatic spring, is connected with the middle steel plate through an upper double-lug bolt and is connected with upper double lugs and lower double lugs through pins. The upper end of the 5t high-flow hydraulic cylinder is in threaded connection with the lower double lugs, and the lower end is in bolted connection with the lower cushion steel plate through the 5t hydraulic cylinder tail adapter plate. The device can control different weight test conditions and complex high-frequency large-displacement test conditions, realizes the stability and easy installation of the whole vibration test system, and has practicability and universality.

Description

Technical Field

[0001] The utility model relates to the technical field of static fatigue, in particular to an oil-gas spring vibration test system. Background Art

[0002] The existing technology is static fatigue test. In order to carry out high-frequency and large-displacement test on the oil-gas spring system which is different from the traditional conditions, in order to test the static fatigue performance of the oil-gas spring under complex conditions, the optimization purpose is to be able to cope with the oil-gas spring test conditions with different weight requirements and the implementation of more complex high-frequency and large-displacement test conditions. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide an oil-gas spring vibration test system.

[0004] According to the technical solution provided in the embodiment of the present application, an oil-gas spring vibration test system includes a support system, a crane system and a lifting system, wherein the support system includes a linear optical axis, a lower steel plate, a total lower floor, a 2t bottom optical axis locking ring, a middle steel plate, a linear motion ball bearing and a total upper steel plate, wherein the upper end of the lower steel plate is provided with a total lower floor, the lower steel plate and the total lower floor are provided with a plurality of overlappable threaded holes, the left and right ends of the total lower floor are respectively bolted with 2t bottom optical axis locking rings, a linear optical axis is screwed on each of the 2t bottom optical axis locking rings, the middle steel plate is movably connected to each linear optical axis through two linear motion ball bearings, and the total upper steel plate is threadedly connected to each linear optical axis through two hexagonal nuts;

[0005] The hoist system includes a lifting ring, a counterweight steel plate, a steel wire rope and a motor. The counterweight steel plate is two pieces horizontally stacked. The lifting ring is movably connected to one end of the steel wire rope and vertically welded to the upper iron plate of the matching steel plate. The other end of the steel wire rope passes through the center hole and pulley set on the total upper steel plate and is movably connected to the motor. The lower iron plate of the counterweight steel plate is horizontally placed and welded to the middle steel plate.

[0006] The lifting system includes a test piece gas spring, a 5t high-flow hydraulic cylinder and a 5t hydraulic cylinder tail adapter plate. The upper and lower end pins of the test piece gas spring connect the upper double ears and the lower double ears, and the upper double ears are connected to the middle steel plate through the upper bottom plate bolts. The upper end of the 5t high-flow hydraulic cylinder is threadedly connected to the lower double ears, and the lower end is threadedly connected to the 5t hydraulic cylinder tail adapter plate. The 5t high-flow hydraulic cylinder is connected to the lower steel plate and the total lower floor through the 5t hydraulic cylinder tail adapter plate bolts.

[0007] In the utility model, further, the lower end of the 2t bottom optical axis locking ring is respectively provided with a bottom plate one and a bottom plate two, the upper left end of the total lower floor and the lower steel plate is connected by a bottom plate one bolt, and the upper right end of the total lower floor and the lower steel plate is connected by a bottom plate two bolt.

[0008] In the utility model, further, through holes are reserved at both ends of the middle steel plate, and two linear motion ball bearings are respectively installed in the reserved holes of the middle steel plate, and mounting platforms are respectively provided at the upper ends of the linear motion ball bearings, and are connected to the middle steel plate through two mounting platform bolts.

[0009] In the utility model, further, the uppermost ends of the linear optical axes are respectively provided with a support and a thread, and through holes are provided at both ends of the total upper steel plate, and are installed on the support of each linear optical axis.

[0010] In the utility model, further, two inclined and spaced brackets are welded on one side of the total upper steel plate, and the brackets are connected to the pulley through an axis.

[0011] In the utility model, further, the upper double ears and the lower double ears are provided with connecting through holes and are arranged at intervals, and the lower ends of the lower double ears are provided with threaded through holes.

[0012] In the utility model, further, the lower end of the middle steel plate is bolted to a displacement sensor.

[0013] In the utility model, further, the linear optical axis is respectively provided with two optical axis locking rings with the same height, and the optical axis locking ring is two semicircles locked on each linear optical axis by screws, and the optical axis locking ring is located between the linear motion ball bearing and the 2t bottom optical axis locking ring.

[0014] In summary, the beneficial effects of the present application are as follows: the device can control different weight conditions by using the middle steel plate and the number of counterweight steel plates, the 5t large flow hydraulic cylinder can cope with a variety of complex high-frequency large displacement test conditions, and the addition of the optical axis locking ring is used to improve the ease of installation of the system. The device can control different weight test conditions and complex high-frequency large displacement test conditions, and achieves the stability and ease of installation of the overall vibration test system, which is practical and universal. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0016] Figure 1 It is the overall structural diagram of the test system;

[0017] Figure 2 This is a schematic diagram of the structure of the 2T bottom optical axis locking ring;

[0018] Figure 3 It is a structural schematic diagram of the underlying steel plate;

[0019] Figure 4 It is a structural schematic diagram of a linear motion ball bearing;

[0020] Figure 5 It is a structural schematic diagram of the optical axis locking ring;

[0021] Figure 6 It is a schematic diagram of the structure of the upper ears;

[0022] Figure 7 It is a schematic diagram of the structure of the lower ears;

[0023] Figure 8 It is a structural schematic diagram of the displacement sensor;

[0024] Fig. 9 The schematic diagram of the crane system.

[0025] Numbers in the figure:

[0026] 1-Support system; 11-Linear optical axis; 12-Lower steel plate; 13-Total lower floor; 14-2t bottom optical axis locking ring; 15-Middle steel plate; 16-Linear motion ball bearing; 17-Total upper steel plate; 2-Crane system; 21-Lifting ring; 22-Counterweight steel plate; 23-Wire rope; 24-Motor; 3-Lifting system; 31-Test piece oil and gas spring; 32-High flow hydraulic cylinder; 33-5t hydraulic cylinder tail adapter plate; 4-Optical axis locking ring; 5-Upper double ears; 6-Lower double ears; 7-Displacement sensor; 8-Pulley. DETAILED DESCRIPTION

[0027] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] like Figure 1As shown, a gas spring vibration test system consists of a support system 1, a linear optical axis 11, a lower steel plate 12, a total lower floor 13, a 2t bottom optical axis locking ring 14, a middle steel plate 15, a linear motion ball bearing 16, a total upper steel plate 17, a crane system 2, a lifting ring 21, a counterweight steel plate 22, a wire rope 23, a motor 24, a lifting system 3, a test piece gas spring 31, a large flow hydraulic cylinder 32, a 5t hydraulic cylinder tail adapter plate 33, an optical axis locking ring 4, an upper double ear 5, a lower double ear 6, a displacement sensor 7, a pulley 8, etc.;

[0030] like Figure 1 As shown, the support system 1 includes a linear optical axis 11, a lower steel plate 12, a total lower floor 13, a 2t bottom optical axis locking ring 14, a middle steel plate 15, a linear motion ball bearing 16 and a total upper steel plate 17. The total lower floor 13 is provided at the upper end of the lower steel plate 12. The lower steel plate 12 is a thickened steel plate and is arranged at the bottom of the entire mechanism. The purpose is to stabilize the entire system from tilting and falling. The total lower floor 13 is added to further strengthen the standing stability of the entire system. The lower steel plate 12 and the total lower floor 13 are provided with a number of overlapping threaded holes, which can withstand a certain weight without sinking or breaking when bolts are connected to other components thereon. The left and right ends of the total lower floor 13 are respectively installed with 2t bottom optical axis locking rings 14 by bolts, and a linear optical axis 11 is screwed on each of the 2t bottom optical axis locking rings 14. The design of the 2t bottom optical axis locking ring 14 is convenient for installation and fixation, and increases the stability and reliability of the system. The middle steel plate 15 is movably connected to each linear optical axis 11 through two linear motion ball bearings 16. The middle steel plate 15 can slide up and down on each linear optical axis 11 through the linear motion ball bearings 16 as the gravity increases. The total upper steel plate 17 is threadedly connected to each linear optical axis 11 through two hexagonal nuts.

[0031] like Fig. 9 As shown, the crane system 2 includes a lifting ring 21, a counterweight steel plate 22, a steel wire rope 23 and a motor 24. The counterweight steel plate 22 is two pieces horizontally stacked, and the number of steel plates in the middle of the counterweight steel plate 22 can be increased to measure the static fatigue test of the system. The lifting ring 21 is movably connected to one end of the steel wire rope 23, and is vertically welded to the upper iron plate of the counterweight steel plate 22. The movable connection between the lifting ring 21, the motor 24 and the steel wire rope 23 improves the ease of installation of the system. The other end of the steel wire rope 23 passes through the center hole and the pulley 8 provided on the total upper steel plate 17, and is movably connected to the motor 24. The lower end iron plate of the counterweight steel plate 22 is horizontally placed and welded on the middle steel plate 15. When the motor 24 is started, the steel wire rope 23 is pulled to connect the pulley 8 and the center hole of the total upper steel plate 17 tangentially, and the upper iron plate of the counterweight steel plate 22 is pulled up through the lifting ring 21.

[0032] like Figure 1As shown, the lifting system 3 includes a test piece oil and gas spring 31, a 5t large flow hydraulic cylinder 32 and a 5t hydraulic cylinder tail adapter plate 33. The upper and lower ends of the test piece oil and gas spring 31 are pin-connected to the upper double ears 5 and the lower double ears 6, and the upper double ears 5 are connected to the middle steel plate 15 through the upper bottom plate bolts. When the middle steel plate 15 and the counterweight steel plate 22 cooperate with each other, different weight conditions can be controlled. The number of iron plates is increased on the counterweight steel plate 22 to squeeze the test piece oil and gas spring 31 to determine the static fatigue test. The 5t large flow hydraulic The upper end of the cylinder 32 is threadedly connected to the lower double ears 6, and the lower end is threadedly connected to the 5t hydraulic cylinder tail adapter plate 33. The 5t large-flow hydraulic cylinder 32 is bolted to the lower steel plate 12 and the total lower floor 13 through the 5t hydraulic cylinder tail adapter plate 33. The 5t large-flow hydraulic cylinder 32 can meet a variety of complex high-frequency and large-displacement test conditions. The lower end of the 5t hydraulic cylinder tail adapter plate 33 is provided with a sinking platform end, and the sinking platform end is bolted to the threads of the lower steel plate 12 and the total lower floor 13, so as to increase the stability of the lifting system 3 and the crane system 2.

[0033] like Figure 2 As shown, the lower end of the 2t bottom optical axis locking ring 14 is respectively provided with a bottom plate 1 and a bottom plate 2, the total lower floor 13 and the upper left end of the lower steel plate 12 are connected by a bottom plate 1 bolt, and the total lower floor 13 and the upper right end of the lower steel plate 12 are connected by a bottom plate 2 bolt. The contact area between the bottom plate 1 and the bottom plate 2 is larger, which can increase the reliability of the system.

[0034] like Figure 1 As shown, through holes are reserved at both ends of the middle steel plate 15, and two linear motion ball bearings 16 are respectively installed in the reserved holes of the middle steel plate 15. Mounting platforms are respectively provided at the upper ends of the linear motion ball bearings 16, and are connected to the middle steel plate 15 through two mounting platform bolts. The linear motion ball bearings 16 are designed to reduce the friction of the two linear optical axes 1, and combined with the optical axis locking ring 4, they fix the middle steel plate 15, thereby increasing the stability and reliability of the system.

[0035] like Figure 1 As shown, a support and a thread are respectively provided at the upper end of the linear optical axis 11, through holes are provided at both ends of the total upper steel plate 17, and the support is installed on the support of each linear optical axis 11. The function of the support is to prevent the total upper steel plate 17 from sliding off and hindering the operation of other components.

[0036] like Figure 1 As shown, two inclined and spaced brackets are welded on one side of the upper steel plate 17, and the brackets are connected to the pulley 8 via an axis. The pulley 8 can slide smoothly using the axis connection and is not prone to jamming, thereby reducing the friction of the wire rope 23 and increasing the service life of the wire rope 23.

[0037] like Figure 6As shown, the upper double ears 5 and the lower double ears 6 are provided with connecting through holes and are arranged at intervals, and the lower end of the lower double ears 6 is provided with a threaded through hole for connecting various components to increase the stability and reliability of the system.

[0038] like Figure 1 As shown, the lower end of the middle steel plate 15 is bolted to the displacement sensor 7, and the displacement sensor 7 emits laser to observe the change of the laser landing point position to achieve the measurement of the displacement of the test piece oil and gas spring 31.

[0039] like Figure 1 As shown, the linear optical axis 11 is respectively provided with two optical axis locking rings 4 of the same height, and the optical axis locking ring 4 is two semicircles locked on each linear optical axis 11 by screws, and the optical axis locking ring 4 is located between the linear motion ball bearing 16 and the 2t bottom optical axis locking ring 14, and its purpose is that when the counterweight steel plate 22 bears too much weight, the test piece oil and gas spring 31 is compressed to a certain extent, and the optical axis locking ring 4 can bear the weight and support.

[0040] In actual application:

[0041] (1) First, according to the above requirements, make the various components involved in the oil-gas spring vibration test system;

[0042] (2) Bolt the support system 1 to the bottom steel plate 12, and bolt the two linear optical axes 11 to the threaded holes at both ends of the bottom steel plate 12 and the main bottom floor 13;

[0043] (3) The middle steel plate 15 is movably connected to the two linear optical axes 11 by means of a linear motion ball bearing 16, and can slide up and down when weight is added to the counterweight steel plate 22;

[0044] (4) Through holes are provided in the middle and on both sides of the total upper steel plate 17. The through holes on both sides of the total upper steel plate 17 are provided at the threads of the linear optical axis 11 and are connected by hexagonal nuts for easy installation and disassembly;

[0045] (5) The counterweight steel plate 22 in the crane system 2 is horizontally welded to the middle steel plate 15. The counterweight steel plate 22 is divided into two pieces stacked one above the other, and the upper counterweight steel plate 22 is welded with a lifting ring 21;

[0046] (6) One end of the steel wire rope 23 is movably connected to the lifting ring 21, and the other end is passed through the center hole of the upper steel plate 17 and movably connected to the motor 24. When the equipment is started, the steel wire rope 23 can be pulled to add counterweight;

[0047] (7) The brackets with intervals are welded obliquely on the total upper steel plate 17, the pulley 8 is connected to the bracket, and the wire rope 23 passes through the two pulleys 8 to reduce the friction of the wire rope 23;

[0048] (8) The lifting system 3 is connected to the threaded holes of the main lower floor 13 and the lower steel plate 12 by bolts using the 5t hydraulic cylinder tail adapter plate 33, and the lifting system 3 is located between the two linear optical axes 11;

[0049] (9) One end of the test piece oil and gas spring 31 is pinned to the upper double ears 5, the upper double ears 5 are bolted to the lower end of the middle steel plate 15, and the other end is pinned to the lower double ears 6;

[0050] (10) One end of the 5t large flow hydraulic cylinder is threadedly connected to the lower double ears 6, and the other end is threadedly connected to the 5t hydraulic cylinder tail adapter plate 33, and the 5t hydraulic cylinder tail adapter plate 33 is bolted to the lower pad steel plate 12.

[0051] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A gas spring vibration test system, comprising a support system (1), a crane system (2) and a lifting system (3), characterized in that: The support system (1) comprises a linear optical axis (11), a lower steel plate (12), a total lower floor (13), a 2t bottom optical axis locking ring (14), a middle steel plate (15), a linear motion ball bearing (16) and a total upper steel plate (17); the upper end of the lower steel plate (12) is provided with the total lower floor (13); the lower steel plate (12) and the total lower floor (13) are provided with a plurality of threaded holes that can overlap; the left and right ends of the total lower floor (13) are respectively bolted with 2t bottom optical axis locking rings (14); a linear optical axis (11) is screwed on each of the 2t bottom optical axis locking rings (14); the middle steel plate (15) is movably connected to each linear optical axis (11) via two linear motion ball bearings (16); and the total upper steel plate (17) is threadedly connected to each linear optical axis (11) via two hexagonal nuts; The crane system (2) comprises a lifting ring (21), a counterweight steel plate (22), a steel wire rope (23) and a motor (24); the counterweight steel plate (22) is composed of two pieces horizontally stacked, the lifting ring (21) is movably connected to one end of the steel wire rope (23), and the upper iron plate of the counterweight steel plate (22) is vertically welded, the other end of the steel wire rope (23) passes through the central hole and the pulley (8) provided on the total upper steel plate (17), and is movably connected to the motor (24), and the lower iron plate of the counterweight steel plate (22) is horizontally placed and welded to the middle steel plate (15); The lifting system (3) comprises a test piece oil and gas spring (31), a 5t high-flow hydraulic cylinder (32) and a 5t hydraulic cylinder tail adapter plate (33); the upper and lower ends of the test piece oil and gas spring (31) are pin-connected to an upper double ear (5) and a lower double ear (6); the upper double ear (5) is connected to a middle steel plate (15) via an upper bottom plate bolt; the upper end of the 5t high-flow hydraulic cylinder (32) is threadedly connected to the lower double ear (6), and the lower end is threadedly connected to the 5t hydraulic cylinder tail adapter plate (33); the 5t high-flow hydraulic cylinder (32) is bolted to a lower steel plate (12) and a total lower floor (13) via the 5t hydraulic cylinder tail adapter plate (33).

2. According to claim 1, a gas spring vibration test system is characterized in that: The lower ends of the 2t bottom optical axis locking ring (14) are respectively provided with bottom plate one and bottom plate two, the upper left end of the total lower floor (13) and the lower steel plate (12) are connected by bottom plate one bolts, and the upper right end of the total lower floor (13) and the lower steel plate (12) are connected by bottom plate two bolts.

3. The oil-gas spring vibration test system according to claim 1, characterized in that: Through holes are reserved at both ends of the middle steel plate (15), and two linear motion ball bearings (16) are respectively installed in the reserved holes of the middle steel plate (15). The upper ends of the linear motion ball bearings (16) are respectively provided with mounting platforms and are connected to the middle steel plate (15) through two mounting platform bolts.

4. The oil-gas spring vibration test system according to claim 1, characterized in that: The uppermost ends of the linear optical axes (11) are respectively provided with a support platform and a thread, and through holes are provided at both ends of the total upper steel plate (17), which is installed on the support platform of each linear optical axis (11).

5. The oil-gas spring vibration test system according to claim 1, characterized in that: Two inclined and spaced brackets are welded to one side of the total upper steel plate (17), and the brackets are connected to the pulley (8) via shafts.

6. The oil-gas spring vibration test system according to claim 1, characterized in that: The upper double ears (5) and the lower double ears (6) are provided with connecting through holes and are arranged at intervals, and the lower ends of the lower double ears (6) are provided with threaded through holes.

7. The oil-gas spring vibration test system according to claim 1, characterized in that: The lower end of the middle steel plate (15) is bolted to a displacement sensor (7).

8. The oil-gas spring vibration test system according to claim 1, characterized in that: The linear optical axis (11) is respectively provided with two optical axis locking rings (4) of the same height, and the optical axis locking ring (4) is two semicircles that are locked on each linear optical axis (11) by screws, and the optical axis locking ring (4) is located between the linear motion ball bearing (16) and the 2t bottom optical axis locking ring (14).

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