Automatic inclined swing test bench with adjustable swing center

Abstract

The utility model relates to the technical field of swing tests, discloses an automatic inclined swing test bench with an adjustable swing center, and solves the problem of inaccurate test data of the existing automatic inclined swing test bench. The center of tested equipment can be conveniently adjusted through the adjusting structure, the center of the tested equipment needs to be continuously adjusted in the testing process, at the moment, a second hydraulic air cylinder is started to push a second swing arm to rise, and at the moment, the second swing arm pulls up one end of a second swing plate; under the action of the cross connecting plate and the second hinge seat, the second swing plate can be in an inclined state, at the moment, the test center of the test equipment can be changed, and the structure can be used for carrying out swing test on the equipment in the other direction.

Description

Technical Field

[0001] The utility model relates to the technical field of swing test, in particular to an automatic tilting swing test platform with an adjustable swing center. Background Art

[0002] The swing test bench is usually used to conduct swing experiments on equipment or dynamic performance tests on structures. It can simulate the response of the equipment in a swing environment, test the working efficiency and stability of the equipment in a swing state, and derive the stability of the equipment when used in cabins and carriages.

[0003] Chinese patent announcement number CN209416690U discloses a test bench, the test bench includes a platform body, the platform body includes a frame, a table top arranged on the frame, a decoupling mechanism connecting the frame and the table top, the table top is rotatably connected to the decoupling mechanism, the test bench also includes a plurality of actuators capable of driving the table top in the up and down directions, the upper end of the actuator is rotatably connected to the table top, and the table top is also suspended with a plurality of weight devices with adjustable mass and quantity. A test bench of the utility model is provided with weight blocks in series around the table top through suspension cables, and the weight mass can be automatically changed according to the position of the table top during the test, thereby automatically balancing the force generated by the specimen during the tilt and swing test, and the smaller output of the actuator can realize the tilt and swing test of large specimens, thereby reducing energy consumption.

[0004] The above technical solution has the following defects: the device needs to be swung during the test, but the position of each swing will be different in areas such as the cabin, so the result of a single test of the device at the same position will not be accurate enough, which will easily affect the accuracy of the device test results and the stability of the device during use. Utility Model Content

[0005] The utility model aims to provide an automatic tilting and swinging test bench with an adjustable swing center. The device is adopted to work, thereby solving the problem of inaccurate test data of the existing automatic tilting and swinging test bench.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic tilting and swinging test bench with adjustable swing center, comprising a bottom plate, a first hydraulic cylinder hinged at the top of the bottom plate, and a first swinging plate arranged above the bottom plate, a first hinge seat is fixed on the side of the top of the bottom plate away from the first hydraulic cylinder, a first swing arm is fixed on the side of the top of the first swinging plate close to the first hydraulic cylinder, an adjusting structure is arranged at the top of the first swinging plate, and a lifting structure is arranged at the top of the adjusting structure;

[0007] The adjustment structure includes a second swing plate fixed above the first swing plate, a second hinge seat is fixed on the top of the first swing plate, a junction plate is fixed on the end of the bottom of the second swing plate close to the second hinge seat, a second swing arm is fixed on the end of the top of the second swing plate away from the junction plate, a second hydraulic cylinder is arranged on one side of the second swing arm, the bottom end of the second hydraulic cylinder is hinged to the first swing plate, a hinge head is fixed on the top of the second hydraulic cylinder, and the hinge head is hinged to the second swing arm.

[0008] Furthermore, two second swing arms are provided, and the two second swing arms are symmetrically distributed about the vertical center line of the second swing plate.

[0009] Furthermore, two transfer plates are provided, and two second hinged seats are also provided, and the transfer plates are hinged to the second hinged seats.

[0010] Furthermore, two first hinge seats are provided, and a connecting plate is also fixed to one side of the bottom end of the first swing plate close to the first hinge seat, and the first swing plate is hinged to the first hinge seat via the connecting plate.

[0011] Furthermore, the lifting structure includes a lifting plate arranged above the second swing plate, a limiting block is fixed at the top of the lifting plate, a guide column is fixed at the bottom end of the lifting plate, a lifting column is fixed at the bottom end of the lifting plate, the lifting column is arranged between the guide columns, a limiting cylinder is fixed at the top of the second swing plate, a threaded column is rotatably connected inside the second swing plate, a toothed disc is fixed at the bottom end of the threaded column, a gear is meshingly connected at the bottom end of the toothed disc, a support block is movably connected to one end of the gear, the top of the support block is fixedly connected to the second swing plate, a motor is installed on one side of one of the support blocks, and the rotating shaft of the motor is fixedly connected to the gear corresponding to one of the support blocks.

[0012] Furthermore, a guide sleeve is fixed to the top end of the second swing plate, the guide sleeve is arranged on the outside of the limiting cylinder, and an insertion structure is formed between the guide sleeve and the guide column.

[0013] Furthermore, the outer diameter of the lifting column matches the inner diameter of the limiting cylinder, and a threaded connection is formed between the threaded column and the lifting column.

[0014] Furthermore, there are four gears, which are evenly spaced at the bottom end of the gear plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model proposes an automatic tilting and swinging test bench with an adjustable swing center. The test data of the existing automatic tilting and swinging test bench is inaccurate. The utility model can adjust the center of the test equipment through the adjustment structure. During the test, the center of the test equipment needs to be adjusted continuously. At this time, the second hydraulic cylinder is started to push the second swing arm to rise. At this time, the second swing arm pulls up one end of the second swing plate. Due to the action of the intersection plate and the second hinge seat, the second swing plate can be in a tilted state. At this time, the test center of the test equipment can be changed, and the structure can perform a swing test on the equipment in another direction.

[0017] 2. The utility model proposes an automatic tilt and swing test bench with an adjustable swing center. The lifting structure can facilitate the vertical stability test of the equipment. When testing, the equipment is placed on the top of the lifting plate. At this time, the bottom of the equipment is stuck on the outside of the limit block. Then the motor is started to drive the gear to rotate, the gear drives the toothed disc to rotate, the toothed disc drives the threaded column to rotate, the threaded column drives the lifting column to rise and fall inside the limit cylinder, and the lifting column drives the lifting plate to rise and fall to test the vertical stability of the equipment, which can make the test results more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the back structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom plate structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the regulating structure of the utility model;

[0022] Figure 5 It is a partial explosion schematic diagram of the lifting structure of the utility model.

[0023] In the figure: 1. base plate; 11. first hydraulic cylinder; 12. first swing arm; 13. first rocking plate; 14. first hinge seat; 2. adjusting structure; 21. second rocking plate; 211. intersection plate; 212. second rocking arm; 22. second hinge seat; 23. second hydraulic cylinder; 231. hinge head; 3. lifting structure; 31. lifting plate; 311. limit block; 312. guide column; 313. lifting column; 32. guide sleeve; 33. limit cylinder; 34. threaded column; 341. toothed disc; 35. gear; 351. support block; 36. motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0026] Combination Figure 1-Figure 3 , an automatic tilting and swinging test bench with adjustable swing center, comprising a bottom plate 1, a first hydraulic cylinder 11 hinged at the top of the bottom plate 1, and a first swing plate 13 arranged above the bottom plate 1, a first hinge seat 14 is fixed on the side of the top of the bottom plate 1 away from the first hydraulic cylinder 11, a first swing arm 12 is fixed on the side of the top of the first swing plate 13 close to the first hydraulic cylinder 11, an adjusting structure 2 is arranged at the top of the first swing plate 13, and a lifting structure 3 is arranged at the top of the adjusting structure 2;

[0027] Specifically, when in use, the first hydraulic cylinder 11 pushes the first swing arm 12 to rise and fall, and the first swing arm 12 drives the first swing plate 13 to flip, so that a swing test can be performed on the equipment.

[0028] The utility model is further described below in conjunction with embodiments.

[0029] Embodiment 1:

[0030] See also Figure 4 The adjustment structure 2 includes a second swing plate 21 fixed above the first swing plate 13, a second hinge seat 22 is fixed to the top of the first swing plate 13, a cross-connection plate 211 is fixed to the bottom end of the second swing plate 21 close to the second hinge seat 22, a second swing arm 212 is fixed to the top end of the second swing plate 21 away from the cross-connection plate 211, a second hydraulic cylinder 23 is provided on one side of the second swing arm 212, the bottom end of the second hydraulic cylinder 23 is hinged to the first swing plate 13, and a hinge joint 231 is fixed to the top end of the second hydraulic cylinder 23, The hinged joint 231 is hinged to the second swing arm 212, two second swing arms 212 are provided, and the two second swing arms 212 are symmetrically distributed about the vertical center line of the second swing plate 21, two intersection plates 211 are provided, and two second hinge seats 22 are also provided. The intersection plate 211 and the second hinge seat 22 are hinged, and two first hinge seats 14 are provided. A intersection plate 211 is also fixed to one side of the bottom end of the first swing plate 13 close to the first hinge seat 14, and the first swing plate 13 is hinged to the first hinge seat 14 through the intersection plate 211.

[0031] Specifically, during the test, the center of the test equipment needs to be constantly adjusted. At this time, the second hydraulic cylinder 23 is started to push the second swing arm 212 to rise. At this time, the second swing arm 212 pulls up one end of the second swing plate 21. Due to the action of the intersection plate 211 and the second hinge seat 22, the second swing plate 21 can be in an inclined state. At this time, the test center of the test equipment can be changed, and the structure can perform a swing test on the equipment in another direction.

[0032] Embodiment 2:

[0033] See also Figure 5 The lifting structure 3 includes a lifting plate 31 arranged above the second swing plate 21, a limiting block 311 is fixed at the top of the lifting plate 31, a guide column 312 is fixed at the bottom of the lifting plate 31, a lifting column 313 is fixed at the bottom of the lifting plate 31, and the lifting column 313 is arranged between the guide columns 312, a limiting cylinder 33 is fixed at the top of the second swing plate 21, a threaded column 34 is rotatably connected inside the second swing plate 21, a toothed disc 341 is fixed at the bottom of the threaded column 34, a gear 35 is meshedly connected at the bottom of the toothed disc 341, and one end of the gear 35 is movably connected to a support block 351, and the support block 351 The top of the second swing plate 21 is fixedly connected, a motor 36 is installed on one side of one of the support blocks 351, and the rotating shaft of the motor 36 is fixedly connected to the gear 35 corresponding to one of the support blocks 351. A guide sleeve 32 is fixed to the top of the second swing plate 21, and the guide sleeve 32 is arranged on the outside of the limiting cylinder 33. An insertion structure is formed between the guide sleeve 32 and the guide column 312. The outer diameter of the lifting column 313 matches the inner diameter of the limiting cylinder 33. A threaded connection is formed between the threaded column 34 and the lifting column 313. Four gears 35 are arranged, and the four gears 35 are evenly distributed at the bottom end of the toothed disc 341.

[0034] Specifically, when conducting the test, the device is placed on the top of the lifting plate 31. At this time, the bottom of the device is stuck on the outside of the limit block 311. Then the motor 36 is started to drive the gear 35 to rotate, the gear 35 drives the toothed disc 341 to rotate, the toothed disc 341 drives the threaded column 34 to rotate, and the threaded column 34 drives the lifting column 313 to rise and fall inside the limit cylinder 33. The lifting column 313 pushes the lifting plate 31 to rise and fall, so as to test the vertical stability of the device and make the test results more comprehensive.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic tilting and swinging test bench with adjustable swing center, comprising a base plate (1), a first hydraulic cylinder (11) hinged to the top of the base plate (1), and a first swinging plate (13) arranged above the base plate (1), characterized in that: A first hinge seat (14) is fixed to a side of the top of the base plate (1) away from the first hydraulic cylinder (11), a first swing arm (12) is fixed to a side of the top of the first swing plate (13) close to the first hydraulic cylinder (11), an adjustment structure (2) is provided at the top of the first swing plate (13), and a lifting structure (3) is provided at the top of the adjustment structure (2); The adjustment structure (2) comprises a second swing plate (21) fixed above the first swing plate (13); a second hinge seat (22) is fixed at the top end of the first swing plate (13); a cross-connection plate (211) is fixed at one end of the bottom end of the second swing plate (21) close to the second hinge seat (22); a second swing arm (212) is fixed at one end of the top end of the second swing plate (21) away from the cross-connection plate (211); a second hydraulic cylinder (23) is arranged on one side of the second swing arm (212); the bottom end of the second hydraulic cylinder (23) is hinged to the first swing plate (13); a hinge joint (231) is fixed at the top end of the second hydraulic cylinder (23); and the hinge joint (231) is hinged to the second swing arm (212).

2. The automatic tilt-swing test bench with adjustable swing center according to claim 1 is characterized in that: Two second swing arms (212) are provided, and the two second swing arms (212) are symmetrically distributed about the vertical center line of the second swing plate (21).

3. The automatic tilt-swing test bench with adjustable swing center according to claim 1 is characterized in that: The connecting plates (211) are provided with two, and the second hinge seats (22) are also provided with two, and the connecting plates (211) and the second hinge seats (22) are hingedly connected.

4. The automatic tilt-swing test bench with adjustable swing center according to claim 1 is characterized in that: The first hinged seats (14) are provided with two, and a connecting plate (211) is also fixed to one side of the bottom end of the first swing plate (13) close to the first hinged seat (14), and the first swing plate (13) is hinged to the first hinged seat (14) via the connecting plate (211).

5. The automatic tilt-swing test bench with adjustable swing center according to claim 1 is characterized in that: The lifting structure (3) comprises a lifting plate (31) arranged above the second swing plate (21); a limiting block (311) is fixed at the top end of the lifting plate (31); a guide column (312) is fixed at the bottom end of the lifting plate (31); a lifting column (313) is fixed at the bottom end of the lifting plate (31); the lifting column (313) is arranged between the guide columns (312); a limiting cylinder (33) is fixed at the top end of the second swing plate (21); and the internal rotation connection of the second swing plate (21) A threaded column (34) is provided, a toothed disc (341) is fixed at the bottom end of the threaded column (34), a gear (35) is meshedly connected at the bottom end of the toothed disc (341), a support block (351) is movably connected to one end of the gear (35), a top end of the support block (351) is fixedly connected to the second swing plate (21), a motor (36) is installed on one side of one of the support blocks (351), and a rotating shaft of the motor (36) is fixedly connected to a gear (35) corresponding to one of the support blocks (351).

6. The automatic tilting and rocking test bench with adjustable rocking center according to claim 5 is characterized in that: A guide sleeve (32) is fixed to the top end of the second swing plate (21); the guide sleeve (32) is arranged on the outside of the limiting cylinder (33); and an insertion structure is formed between the guide sleeve (32) and the guide column (312).

7. The automatic tilting and rocking test bench with adjustable rocking center according to claim 5 is characterized by: The outer diameter of the lifting column (313) matches the inner diameter of the limiting cylinder (33), and a threaded connection is formed between the threaded column (34) and the lifting column (313).

8. The automatic tilting and rocking test bench with adjustable rocking center according to claim 5 is characterized in that: Four gears (35) are provided, and the four gears (35) are distributed at equal intervals at the bottom end of the toothed disc (341).

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