Vertical double-wave impact table

Abstract

The vertical double-wave impact table comprises a base, an air cylinder assembly, an impact plate, connecting seats, an upper seat plate and an impact platform, the connecting seats are arranged at the corners of the upper surface of the base and extend upwards, the upper seat plate is annular and is erected at the tops of all the connecting seats, and the impact platform is arranged above the upper seat plate in an up-down moving mode through a guide assembly. The guide assembly comprises a guide rod, a negative wave assembly abutting against the upper base plate, a height adjusting assembly and a lower nut, the upper end of the guide rod is connected with the impact platform, the lower end of the guide rod penetrates through the upper base plate and penetrates out downwards, and the negative wave assembly and the height adjusting assembly are located below the upper base plate and arranged on the guide rod in a sleeving mode. The height adjusting assembly comprises the height adjusting block abutting against the lower portion of the negative wave assembly, the air spring assembly with the adjustable pressure is arranged between the impact platform and the upper seat plate, the height of the impact platform can be changed by changing the pressure of the air spring assembly and the thickness of the height adjusting block, and therefore the height of an impact point is changed, and the application range is wider.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vertical impact platform technical field, concretely relates to a vertical double -wave impact platform of height adjustable platform surface. BACKGROUND

[0002] Impact test is generally a test method for determining the safety, reliability and effectiveness of military and civilian equipment when subjected to external impact or action, and the vertical double -wave impact platform is a common impact test equipment, which is widely used because it can obtain the waveform during impact and the impact waveform after the tested product bounces back.

[0003] The impact platform height of the existing vertical double -wave impact platform is mostly not adjustable, such as Chinese patents CN117740568A and CN105092201A, which disclose this kind of vertical double -wave impact platform, which is difficult to adapt when adjusting impact parameters (such as changing the impact point height), and cannot provide test results under multiple impact parameters for single product comparison, which has certain limitations. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings in the prior art and provides a vertical double -wave impact platform with adjustable impact platform height.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a vertical double -wave impact platform, which comprises:

[0006] A base;

[0007] A cylinder assembly, which comprises a plurality of impact cylinders arranged in the middle part of the base, and the cylinder rods of the impact cylinders extend upward;

[0008] An impact plate, which is connected to the upper end of all the cylinder rods, and the upper surface of the impact plate is provided with a waveform pad;

[0009] A connecting seat, which is arranged at the corner of the upper surface of the base and extends upward, and the connecting seat is multiple and arranged at intervals;

[0010] An upper seat plate, which is annular, and the upper seat plate is arranged on the top of all the connecting seats and extends horizontally;

[0011] An impact platform, which is used for placing the product to be tested, and the impact platform is movably arranged above the upper seat plate through a guide assembly, and an air spring assembly with adjustable pressure is arranged between the impact platform and the upper seat plate;

[0012] The guiding assembly comprises a guiding rod, a negative wave assembly, a height adjusting assembly, and a lower nut, the upper end of the guiding rod is connected with the impact platform, the lower end of the guiding rod penetrates through the upper seat plate and goes out downward, the negative wave assembly and the height adjusting assembly are located below the upper seat plate and are sleeved on the guiding rod, the height adjusting assembly comprises a height adjusting block located below the negative wave assembly, the lower nut is threadedly connected with the lower end of the guiding rod, the height adjusting block abuts against the negative wave assembly, and the negative wave assembly abuts against the upper seat plate; the air spring assembly with adjustable pressure is arranged between the impact platform and the upper seat plate.

[0013] Preferably, the height adjusting block has at least three types, namely a first gear height adjusting block, a second gear height adjusting block, and a third gear height adjusting block, the first gear height adjusting block is disc-shaped, and the second gear height adjusting block and the third gear height adjusting block are head-cone-shaped with the upper part being larger and the lower part being smaller.

[0014] Further preferably, the top surface of the second gear height adjusting block has a diameter of one-half to two-thirds of the diameter of the first gear height adjusting block.

[0015] Further preferably, the upper surface of the third gear height adjusting block is provided with a downwardly extending conical groove, the inner wall of the conical groove is matched with the outer wall of the second gear height adjusting block, and when the second gear height adjusting block and the third gear height adjusting block are used in combination, the second gear height adjusting block is embedded in the conical groove in whole or in part.

[0016] Preferably, the negative wave assembly comprises a mounting seat, a negative wave generator, and a negative wave generator adjusting block, the mounting seat is located above the height adjusting block, the negative wave generator is mounted on the mounting seat and located between the mounting seat and the height adjusting block, and the negative wave generator adjusting block is arranged above the mounting seat and used for adjusting the overall thickness of the negative wave assembly.

[0017] Preferably, the air spring assembly comprises a plurality of air springs arranged at intervals, and the guiding assembly has a plurality of groups and is arranged correspondingly with the air springs.

[0018] Preferably, a countersunk hole is formed in the impact platform and used for penetrating the upper end of the guiding rod, the large end of the countersunk hole faces upward, an upper nut is arranged in the countersunk hole and threadedly connected with the upper end of the guiding rod, and the lower surface center of the impact platform protrudes downward and extends into the hollow cavity of the upper seat plate to align with the impact plate.

[0019] Further preferably, a cover plate is arranged above the countersunk hole, the cover plate is connected with the impact platform through a cover plate bolt, and a flat gasket and an elastic gasket are further arranged between the bottom wall of the countersunk hole and the upper nut.

[0020] Preferably, the upper outer side cover of the base is provided with a frame spliced by sectional materials, and a cover plate made of sheet metal is embedded in the frame.

[0021] Preferably, the cylinder assembly further comprises a gas storage cylinder for supplying gas to the impact cylinder, and the gas storage cylinder is arranged at the bottom of the base.

[0022] Thanks to the above technical scheme, the utility model has the following advantages compared with the prior art:

[0023] The vertical double-wave impact platform comprises a base, a cylinder assembly, an impact plate, a connecting seat, an upper seat plate, an impact platform, the cylinder assembly comprises a plurality of impact cylinders arranged in the middle of the base and having cylinder rods extending upwards, the impact plate is connected to the upper end portions of all the cylinder rods and is provided with a wave-shaped pad on its upper surface, the connecting seat is arranged at the corners of the upper surface of the base and extends upwards, the connecting seat is provided in plurality and is arranged at intervals, the upper seat plate is annular and is arranged on the top of all the connecting seats and extends horizontally, the impact platform is arranged above the upper seat plate and can move up and down through a guide assembly, the guide assembly comprises guide rods, a negative wave assembly, a height adjustment assembly and a lower nut, the upper end portions of the guide rods are connected to the impact platform, the lower end portions of the guide rods penetrate through the upper seat plate and extend downwards, the negative wave assembly abuts against the upper seat plate, the negative wave assembly and the height adjustment assembly are arranged below the upper seat plate and are sleeved on the guide rods, the height adjustment assembly comprises a height adjusting block arranged below the negative wave assembly, the height adjusting block abuts against the negative wave assembly, and the lower nut is threadedly connected to the lower end portions of the guide rods, the height of the impact platform can be changed by changing the pressure of the air spring assembly and the thickness of the height adjusting block, the height of the impact point is changed, the test results under single product and multiple impact parameters are compared, and the application range is wider. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a perspective view of the preferred embodiment of the utility model.

[0025] Figure 2 It is Figure 1 It is a front view of the impact platform at the first height.

[0026] Figure 3 It is Figure 1 It is a front view of the impact platform at the second height.

[0027] Figure 4 It is Figure 1 It is a front view of the impact platform at the third height.

[0028] Figure 5 It is Figure 4 It is a top view.

[0029] Figure 6 is Figure 5 A-A direction in the sectional view schematic.

[0030] Wherein: 10. base; 11. frame; 12. cover plate; 20. cylinder assembly; 21. impact cylinder; 22. storage cylinder; 30. impact plate; 31. wave pad; 40. connecting seat; 50. upper seat plate; 60. impact platform; 61. counterbore; 62. upper nut; 63. cover plate; 64. cover plate bolt; 65. flat washer; 66. elastic washer; 70. guide assembly; 71. guide rod; 72. negative wave assembly; 721. mounting seat; 722. negative wave generator; 723. negative wave generator adjusting block; 73. height adjusting assembly; 731. first gear height adjusting block; 732. second gear height adjusting block; 733. third gear height adjusting block; 74. lower nut; 80. air spring assembly; 81. air spring. DETAILED DESCRIPTION

[0031] The front and back direction described in the utility model is Figure 2 , Figure 3 , Figure 4 The up and down direction in.

[0032] As Figures 1 to 6As shown, the vertical double-wave impact platform provided by the utility model has the advantages that the height of the impact platform 60 can be changed by changing the pressure of the air spring assembly 80 and the thickness of the height adjusting block, so that the height of the impact point is changed, the test results under multiple impact parameters of a single product are provided for comparison, and the application range is wider.

[0033] In the embodiment, the height adjusting block has three types, namely, a first height adjusting block 731, a second height adjusting block 732 and a third height adjusting block 733. The first height adjusting block 731 is disc-shaped, the second height adjusting block 732 and the third height adjusting block 733 are large at the top and small at the bottom, and further, the top surface diameter of the second height adjusting block 732 is one-half to two-thirds of the diameter of the first height adjusting block 731. The third height adjusting block 733 is provided with a downwardly extending conical groove 735, and the inner wall of the conical groove 735 is matched with the outer wall of the second height adjusting block 732. The height adjusting block has three types of use. First, as shown in the figure, only the first height adjusting block 731 is used, at this time, the height of the upper surface of the impact platform 60 is 2919 mm, the air spring assembly 80 adopts a first pressure, and under this pressure, the height of the air spring assembly 80 is 292 mm. Figure 2 Figure 3 ​As shown, the first height adjusting block 731 and the second height adjusting block 732 are used in combination, the height of the upper surface of the impact platform 60 is 2864mm, the air spring assembly 80 adopts the second pressure, and the height of the air spring assembly 80 is 237mm under the second pressure. Figure 4 As shown, the first height adjusting block 731, the second height adjusting block 732 and the third height adjusting block 733 are used in combination, the second height adjusting block 732 is completely embedded in the tapered groove 735, the height of the upper surface of the impact platform 60 is 2809mm, the air spring assembly 80 adopts the third pressure, and the height of the air spring assembly 80 is 182mm under the third pressure.

[0034] In the embodiment, the negative wave assembly 72 includes a mounting seat 721, a negative wave generator 722 and a negative wave generator adjusting block 723, the mounting seat 721 is located above the height adjusting block, the negative wave generator 722 is installed on the mounting seat 721 and located between the mounting seat 721 and the height adjusting block, and the negative wave generator adjusting block 723 is arranged above the mounting seat 721 and used for adjusting the overall thickness of the negative wave assembly 72.

[0035] In the embodiment, the air spring assembly 80 includes eight air springs 81 arranged at intervals, two air springs 81 are arranged on each side, and four guide assemblies 70 are arranged corresponding to the air springs 81, specifically, one guide assembly 70 is arranged between the two air springs 81 on each side.

[0036] In the embodiment, the impact platform 60 is provided with a countersunk hole 61 for penetrating the upper end of the guide rod 71, the large end of the countersunk hole 61 faces upward, the countersunk hole 61 is provided with an upper nut 62 threadedly connected with the upper end of the guide rod 71, a cover plate 63 is arranged on the countersunk hole 62, the cover plate 63 is connected with the impact platform 60 through a cover plate bolt 64, and a flat washer 65 and an elastic washer 66 are further arranged between the bottom wall of the countersunk hole 62 and the upper nut 62, and the center of the lower surface of the impact platform 60 protrudes downward and extends into the hollow cavity of the upper seat plate 50 to align the impact plate 30.

[0037] In the embodiment, the upper outer side of the base 10 is covered with a surrounding frame 11 spliced by profiles, the surrounding frame 11 is embedded with a cover plate 12 made of a sheet metal part, and the air cylinder assembly 20 further includes a gas storage cylinder 22 for supplying gas to the impact air cylinder, and the gas storage cylinder 22 is arranged at the bottom of the base 10.

[0038] The above embodiment is only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, and any equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered within the protection scope of the utility model.

Claims

1. A vertical double-wave impact platform, comprising: a base; a cylinder assembly comprising a plurality of impact cylinders arranged in the middle of the base, the cylinder rods of the impact cylinders extending upward; a strike plate connected to the upper ends of all the cylinder rods, the upper surface of the strike plate being provided with a wave-shaped pad; a plurality of connecting seats arranged at the corners of the upper surface of the base and extending upward; an upper seat plate in the shape of a ring, the upper seat plate being arranged on the top of all the connecting seats and extending horizontally; an impact platform for placing products to be tested, the impact platform being arranged above the upper seat plate and being movable up and down by means of a guide assembly; characterized in that: the guide assembly comprises a guide rod, a negative wave assembly, a height adjustment assembly, and a lower nut, the upper end of the guide rod being connected to the impact platform, the lower end of the guide rod penetrating the upper seat plate and extending downward, the negative wave assembly and the height adjustment assembly being arranged below the upper seat plate and being sleeved on the guide rod, the height adjustment assembly comprising a height adjustment block arranged below the negative wave assembly, the lower nut being threadedly connected to the lower end of the guide rod, so that the height adjustment block abuts against the negative wave assembly and the negative wave assembly abuts against the upper seat plate; an air spring assembly with adjustable pressure is arranged between the impact platform and the upper seat plate.

2. The vertical double wave impact table of claim 1, wherein: The height adjustment block has at least three types, namely a first gear height adjustment block, a second gear height adjustment block, and a third gear height adjustment block, the first gear height adjustment block being disc-shaped, the second gear height adjustment block and the third gear height adjustment block being in the shape of a reverse cone with the top being large and the bottom being small.

3. The vertical double wave impact table of claim 2, wherein: The top surface of the second gear height adjustment block has a diameter of one-half to two-thirds of the diameter of the first gear height adjustment block.

4. The vertical double wave impact table of claim 2, wherein: The upper surface of the third gear height adjustment block is provided with a downwardly extending conical groove, the inner wall of the conical groove being matched with the outer wall of the second gear height adjustment block, when the second gear height adjustment block and the third gear height adjustment block are used in combination, the second gear height adjustment block is embedded in the conical groove in whole or in part.

5. The vertical double wave impact table of claim 1, wherein: The negative wave assembly comprises a mounting seat, a negative wave generator, and a negative wave generator adjustment block, the mounting seat being arranged above the height adjustment block, the negative wave generator being mounted on the mounting seat and being arranged between the mounting seat and the height adjustment block, the negative wave generator adjustment block being arranged above the mounting seat and being used for adjusting the overall thickness of the negative wave assembly.

6. The vertical double wave impact table of claim 1, wherein: The air spring assembly comprises a plurality of air springs arranged at intervals, and the guide assembly has a plurality of groups and is arranged correspondingly to the air springs.

7. The vertical double wave impact table of claim 1, wherein: A countersunk hole is formed in the impact platform and is used for penetrating the upper end of the guide rod, the large end of the countersunk hole facing upward, an upper nut being arranged in the countersunk hole and being threadedly connected to the upper end of the guide rod, the center of the lower surface of the impact platform being downwardly protruding and extending into the hollow cavity of the upper seat plate to align with the strike plate.

8. The vertical double wave impact table of claim 7, wherein: A cover plate is arranged above the countersunk hole, the cover plate being connected to the impact platform by means of cover plate bolts, and a flat washer and an elastic washer are further arranged between the bottom wall of the countersunk hole and the upper nut.

9. The vertical double wave impact table of claim 1, wherein: The upper outer cover of the base is provided with a frame made of profiled sections, and a cover plate made of sheet metal is embedded in the frame.

10. The vertical double wave impact table of claim 1, wherein: The gas cylinder assembly further comprises a gas storage cylinder for supplying gas to the impact gas cylinder, and the gas storage cylinder is arranged at the bottom of the base.

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