CN220960530U - Vibration device for simulated transportation - Google Patents
Vibration device for simulated transportation Download PDFInfo
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- CN220960530U CN220960530U CN202322640749.XU CN202322640749U CN220960530U CN 220960530 U CN220960530 U CN 220960530U CN 202322640749 U CN202322640749 U CN 202322640749U CN 220960530 U CN220960530 U CN 220960530U
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- simulated transportation
- transportation
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Abstract
The utility model discloses vibration equipment for simulated transportation, which comprises a vibrating table, a frame for supporting a vibrating plate, a main shaft arranged below the vibrating plate and a driving element for driving the main shaft to rotate, wherein the middle part of the main shaft is connected with the vibrating table through a lifting assembly, the lifting assembly comprises a connecting plate movably connected with the bottom of the vibrating table and an eccentric cam coaxially arranged with the main shaft, one end of the connecting plate is in transmission connection with the end face of the eccentric cam, and the end part of the main shaft is connected with the vibrating table through a plane four-bar mechanism. The vibrating table can realize up-and-down vibration and transverse vibration simultaneously, and is adjustable in amplitude, strong in equipment load capacity and durability.
Description
Technical Field
The utility model relates to a vibrating table, in particular to vibrating equipment for simulating transportation.
Background
The vibrating table simulates various environments encountered by assembled products in manufacturing, transporting and using execution stages, particularly, the defects of loose line, component displacement and the like of the products with complex equipment in the transporting process can occur, the quality stability of the products is affected, and the reject ratio is high. Therefore, the vibrating table is used for judging whether the products bear the capability of vibrating in various transportation environments, for example, according to each batch of assembled products, corresponding stability reports of various performance indexes after simulated transportation are provided, but at present, although various data of the assembled products are tested, the simulated transportation conditions are insufficient, in the prior art, the vibrating table is mostly vibrated in one direction, such as vertical vibration or transverse vibration, the vibration frequency and amplitude are fixed and not adjustable, the equipment size is strictly limited, and the simulated transportation vibrating table is expensive.
Disclosure of utility model
In order to solve the technical problems, the utility model provides vibrating equipment for simulating transportation, which completes the up-and-down vibration and the left-and-right vibration of the vibrating equipment through a left-and-right vibration structure formed by a lifting structure and a four-bar mechanism, and has the advantages of stability, durability, high load intensity and economical and practical price.
The technical scheme of the utility model is as follows:
The utility model provides a vibratory equipment for simulating transportation, includes shaking table, the frame of support vibrating plate, locates the main shaft of vibrating plate below and drives main shaft pivoted actuating element, its characterized in that: the middle part of main shaft passes through lifting unit and links to each other with the shaking table, lifting unit includes the connecting plate that links to each other with shaking table bottom activity, the eccentric cam that sets up coaxial with the main shaft, the terminal surface transmission of one end and eccentric cam of connecting plate is connected, the tip of main shaft passes through plane four-bar linkage and links to each other with the shaking table.
The further technical scheme is as follows: the driving element is a motor, and the output end of the motor is in transmission connection with the main shaft through a synchronous belt structure.
The further technical scheme is as follows:
The synchronous belt structure comprises a driving wheel fixedly arranged on the motor and a driven wheel sleeved at the end part of the main shaft, and the driving wheel is connected with the driven wheel through a synchronous belt.
The further technical scheme is as follows:
The bottom of the connecting plate is provided with an oval through hole, and the eccentric cam is abutted with the upper end face and the lower end face of the oval through hole.
The further technical scheme is as follows:
The frame is vertically provided with a first sliding rail, and one end of the connecting plate is provided with a first sliding block matched with the first sliding rail.
The further technical scheme is as follows:
The plane four-bar mechanism comprises a large connecting rod and a crank fixedly arranged at the end part of the main shaft, wherein a lower connecting rod is movably connected between one end of the large connecting rod and the crank, and an upper connecting rod is movably connected between the other end of the large connecting rod and the vibrating table.
The further technical scheme is as follows:
The bottom of the vibrating table is horizontally provided with a second sliding rail, the connecting plate is connected to the second sliding rail in a sliding mode, and the second sliding rail is perpendicular to the different surface of the main shaft.
The further technical scheme is as follows:
The main shaft, the lifting assembly arranged on the main shaft and the four-bar mechanism are two groups and are respectively arranged on the machine base in a bilateral symmetry way.
The further technical scheme is as follows:
the two groups of main shafts are driven by a synchronous belt.
The further technical scheme is as follows:
a synchronous plate is connected between the two groups of large connecting rods.
The beneficial technical effects of the utility model are as follows: the utility model utilizes the eccentric cam structure and the large transmission connecting rod structure, has regular movement and reliable mechanical transmission, can realize up-and-down vibration and transverse vibration at the same time, has adjustable amplitude and strong equipment load capacity and durability.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present utility model;
FIG. 2 is a schematic diagram of a frame structure of the apparatus of the present utility model;
FIG. 3 is a side-to-side swing structure schematic diagram of the transmission structure of the present utility model;
FIG. 4 is a schematic view of the back of the side-to-side swing structure of the transmission structure of the present utility model;
FIG. 5 is a schematic view of an eccentric cam configuration in accordance with the present utility model;
FIG. 6 is a schematic diagram of a crank construction according to the present utility model;
FIG. 7 is a schematic view of a large driving link according to the present utility model;
Wherein: 1. a driving element; 21. a driving wheel; 22. driven wheel; 41. a main shaft; 5. an eccentric cam; 61. a first set of sliders; 62. a second set of sliders; 71. a crank; 72. a lower connecting rod; 73. an upper connecting rod; 8. a large connecting rod; 8a, a main power arm; 8b, a driven arm; 9. a frame; 91. a synchronizing plate; 10. a vibration table; 12. a connecting plate; 13. oval through holes.
Detailed Description
In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the present utility model provides a vibration apparatus for simulated transportation, comprising a vibration table 10, a frame 9 for supporting a vibration plate, a main shaft 41 disposed below the vibration plate, and a driving element 1 for driving the main shaft 41 to rotate, wherein the middle part of the main shaft 41 is connected with the vibration table 10 through a lifting assembly, and the end part of the main shaft 41 is connected with the vibration table 10 through a planar four-bar mechanism.
The driving element 1 is a motor, the output end of the motor is in transmission connection with the main shaft 41 through a synchronous belt structure, specifically, a driving wheel 21 fixedly arranged on the motor is connected with a driven wheel 22 sleeved on the main shaft 41 through a synchronous belt, and when the motor runs, the driving wheel 21 drives the driven wheel 22 to rotate, and the driven wheel 22 drives the main shaft 41 to rotate.
The lifting assembly comprises an eccentric cam 5 coaxially and fixedly arranged with the main shaft 41 and a connecting plate 12 movably connected with the bottom of the vibrating table 10, wherein the eccentric cam 5 is eccentrically arranged on the main shaft 41, an elliptical through hole 13 is formed in the bottom of the connecting plate 12, and the eccentric cam 5 is abutted to the upper end face and the lower end face of the elliptical through hole 13.
The main shaft 41 is respectively and rotatably connected with a plurality of groups of fixed supports on the frame 9 through a plurality of groups of bearings. The frame 9 is vertically provided with a first sliding rail, the upper end of the connecting plate 12 is fixedly provided with a first sliding block 61 matched with the first sliding rail, so that the connecting plate 12 reciprocates along the vertical direction, and the larger the eccentric amount of the eccentric cam 5 is, the larger the displacement amount of the connecting plate 12 moving up and down is.
The four-bar mechanism comprises a transmission large connecting rod 8, a crank 71 is fixedly arranged at one end, far away from the synchronous pulley, of the main shaft 41, a lower connecting rod 72 is movably connected between one end of the large connecting rod 8 and the crank 71, specifically, two ends of the crank 71 are respectively provided with a round hole with a large head end and a round hole with a small head end, the round hole with the large head end is fixedly connected with the main shaft 41, the round hole with the small head end is rotatably connected with one end of the lower connecting rod 72 through a bearing, and the other end of the lower connecting rod 72 is rotatably connected with the large connecting rod 8 through a bearing; an upper connecting rod 73 is movably connected between the other end of the large connecting rod 8 and the vibrating table 10, the large connecting rod 8 is rotationally connected with the upper connecting rod 73 through a bearing, and the other end of the upper connecting rod 73 is rotationally connected with a fixed support which is inversely fixed on the vibrating table 10 through a connecting shaft; the large connecting rod 8 is also fixedly provided with a fulcrum connecting shaft which is in rotary connection with a fixed support which is inversely fixed on the synchronous plate.
The section of the large link 8 close to the lower link 72 is defined as a master arm 8a and the section close to the upper link 73 is defined as a slave arm 8b with the fulcrum connecting shaft as the center. The left-right swing amplitude is adjusted by adjusting the ratio of the master arm 8a and the slave arm 8b with the diameter of a circle formed by the crank 71 swinging around the main shaft 41 as a base swing. When the main shaft 41 rotates, the crank 71 is driven to do rotary motion by taking the center of the big-end round hole as an origin, a circle with the radius being the distance from the big-end round hole to the small-end round hole is formed, the larger the radius is, the larger the swing amplitude is, meanwhile, when the crank 71 is driven to do rotary motion, the four-bar mechanism is driven to do planar compound motion, when the basic swing amplitude formed by the crank 71 rotating around the main shaft 41 is fixed, the larger the proportion of the main power arm 8a to the auxiliary power arm 8b is, and the smaller the left-right vibration amplitude is obtained.
A second sliding rail is fixedly arranged on the top end surface of the connecting plate 12 and is matched with a second group of sliding blocks 62 inversely arranged on the vibrating table 10, and the second sliding rail is perpendicular to the different surface of the main shaft 41. When the four-bar mechanism moves, the vibrating table 10 is driven to slide left and right on the second sliding rail.
The main shaft, the lifting assembly arranged on the main shaft and the four-bar mechanism are two groups and are respectively arranged on the machine base in a bilateral symmetry way. The two groups of main shafts are driven by a synchronous belt, and in order to make the synchronism of the left and right vibration between the two groups of mechanisms higher, a synchronous plate 91 is also connected between the two groups of large connecting rods.
In this embodiment, the vibration table 10 is provided with a wooden working table to prevent collision damage, the frame 9 and the fixing structure are welded by square steel or channel steel, and the outer side of the frame 9 is covered by sheet metal.
As shown in fig. 5, when the eccentric cam 5 has an eccentric amount of a, 2a lifting amplitude can be provided in rotation; for example, the eccentric amount a is 5mm, the lifting amplitude in rotation is 10mm, the eccentric cam is connected with the main shaft by adopting a screw Mb1 and a screw Mb2, for example, a slotted pan head positioning screw GB 828M8x12x4 and an inner hexagonal flat end fastening screw GB/T77M 6x12 are used, so that the eccentric cam can be firmly fixed on the main shaft, and the operation is stable and noiseless; the GCR15 bearing steel is selected as the material, and has high hardness HRC55 after quenching and wear resistance, so that the bearing and durability requirements during operation can be ensured.
In the above embodiment, to ensure stable connection, the crank is connected with the main shaft by using a slotted pan head positioning screw GB 828M8x12x4 and an inner hexagonal flat end fastening screw GB/T77M 6x12.
As shown in fig. 6 and 7, the transmission large connecting rod 8 is divided into a main power arm 8a and a secondary power arm 8b, and the following formula is adopted: the swing amplitude = initiative swing amplitude x is from the power arm/initiative swing arm, when confirm the distance between two through holes of the crank, can get the initiative swing amplitude, can get the final left-right swing amplitude through the above-mentioned formula, for example crank two hole pitch is 30mm, when the main axis rotates, the crank uses main axis centre as the origin, form a circle of diameter 60mm while turning, namely drive the big connecting rod of transmission to make a swing amplitude 60mm to reciprocate, through the lever adjustment of the big connecting rod of transmission, can regulate the left-right swing amplitude in the course of vibration; the active swing amplitude is 60mm, the left-right swing amplitude is 20 mm-30 mm, the ratio of the slave power arm/the main power arm is 1/3-1/2, as shown in fig. 7, the length of the active arm 8a is 237.5mm, the length of the slave power arm 8b is 102.5mm, and the swing amplitude of about 25.9mm can be obtained in the embodiment.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (10)
1. A vibratory equipment for simulating transportation, including shaking table, support the frame of vibrating plate, locate the main shaft of vibrating plate below and drive main shaft pivoted actuating element, its characterized in that: the middle part of main shaft passes through lifting unit and links to each other with the shaking table, lifting unit includes the connecting plate that links to each other with shaking table bottom activity, the eccentric cam that sets up coaxial with the main shaft, the terminal surface transmission of one end and eccentric cam of connecting plate is connected, the tip of main shaft passes through plane four-bar linkage and links to each other with the shaking table.
2. The vibration apparatus for simulated transportation of claim 1, wherein: the driving element is a motor, and the output end of the motor is in transmission connection with the main shaft through a synchronous belt structure.
3. The vibration apparatus for simulated transportation of claim 2, wherein: the synchronous belt structure comprises a driving wheel fixedly arranged on the motor and a driven wheel sleeved at the end part of the main shaft, and the driving wheel is connected with the driven wheel through a synchronous belt.
4. The vibration apparatus for simulated transportation of claim 1, wherein: the bottom of the connecting plate is provided with an oval through hole, and the eccentric cam is abutted with the upper end face and the lower end face of the oval through hole.
5. The vibration apparatus for simulated transportation of claim 1, wherein: the frame is vertically provided with a first sliding rail, and one end of the connecting plate is provided with a first sliding block matched with the first sliding rail.
6. The vibration apparatus for simulated transportation of claim 1, wherein: the plane four-bar mechanism comprises a large connecting rod and a crank fixedly arranged at the end part of the main shaft, wherein a lower connecting rod is movably connected between one end of the large connecting rod and the crank, and an upper connecting rod is movably connected between the other end of the large connecting rod and the vibrating table.
7. The vibration apparatus for simulated transportation of claim 1, wherein: the bottom of the vibrating table is horizontally provided with a second sliding rail, the connecting plate is connected to the second sliding rail in a sliding mode, and the second sliding rail is perpendicular to the different surface of the main shaft.
8. The vibration apparatus for simulated transportation of claim 1, wherein: the main shaft, the lifting assembly arranged on the main shaft and the four-bar mechanism are two groups and are respectively arranged on the machine base in a bilateral symmetry way.
9. The vibration apparatus for simulated transportation of claim 8, wherein: the two groups of main shafts are driven by a synchronous belt.
10. The vibration apparatus for simulated transportation of claim 8, wherein: a synchronous plate is connected between the two groups of large connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322640749.XU CN220960530U (en) | 2023-09-28 | 2023-09-28 | Vibration device for simulated transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322640749.XU CN220960530U (en) | 2023-09-28 | 2023-09-28 | Vibration device for simulated transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960530U true CN220960530U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322640749.XU Active CN220960530U (en) | 2023-09-28 | 2023-09-28 | Vibration device for simulated transportation |
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| Country | Link |
|---|---|
| CN (1) | CN220960530U (en) |
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2023
- 2023-09-28 CN CN202322640749.XU patent/CN220960530U/en active Active
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