CN219914807U - Rotary drop test device - Google Patents
Rotary drop test device Download PDFInfo
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- CN219914807U CN219914807U CN202320238899.5U CN202320238899U CN219914807U CN 219914807 U CN219914807 U CN 219914807U CN 202320238899 U CN202320238899 U CN 202320238899U CN 219914807 U CN219914807 U CN 219914807U
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- drop test
- rotary
- upright post
- steel wire
- wire rope
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a rotary drop test device, which comprises a fixed base, a stand column mechanism and a height adjusting device, wherein the fixed base comprises a bottom plate and at least two different drop surfaces arranged on the periphery of the bottom plate; the upright post mechanism comprises an upright post vertically arranged on the fixed base through a rotary platform and a suspension arm horizontally arranged at the top end of the upright post and extending outwards; the height adjusting structure comprises a fixed mounting seat, a rope winding machine is arranged at the bottom of the upright column and used for winding and unwinding a steel wire rope, the head end of the steel wire rope is wound on the rope winding machine, the tail end of the steel wire rope is suspended below the hanging arm through a pulley block, and the tail end of the steel wire rope is further connected with a scattering device used for controlling an object to be detected to fall. The rotary drop test device provided by the utility model has low manufacturing and using cost, can be used for performing contrast tests of various drop test scenes, greatly improves test efficiency, and effectively saves test space.
Description
Technical Field
The utility model belongs to the technical field of process equipment, and particularly relates to a drop test device.
Background
With the continuous progress of technology, many new products including initiating explosive devices, electronic devices and optical devices appear in military. The high-tech military products have complex use environment and high index requirements in all aspects, and before shaping, strict drop tests are needed, so that reliable drop safety parameters are obtained to guide related work in product use, transportation and service treatment. At present, the device is required in factories, academies, test bases, research institutions and the like, and is an indispensable device for military maintenance, monitoring and research. Accidental dropping of military products is the most common phenomenon in use, transportation and service treatment, dropping impact can cause damage to certain sensitive parts and weak parts of the military products, and continuous use can cause danger. Moreover, because the drop conditions are different, the influence on the product is different, and a large number of drop tests are often required to be verified.
However, most of the existing drop test devices adopt a crane or a fixed tower to carry out a single test, and the defects of low test efficiency, poor safety, complex operation and the like are overcome. Therefore, in order to improve the drop test efficiency, it is necessary to design a drop test device which is safe, reliable, light, flexible, simple to operate, low in cost and flexible and various in test scene.
Disclosure of Invention
The utility model aims to provide a rotary drop test device aiming at the problems of low efficiency, low availability, poor safety and the like in the prior art. The device can be widely applied to drop tests of various packaged products such as military supplies, civil supplies and the like, simulate various different drop scenes, ensure the safety and reliability of the drop tests, and have the advantages of high test efficiency, simple maintenance and long service life.
The utility model is realized in the following way:
a rotary drop test device, comprising:
the fixed base comprises a bottom plate and at least two different falling surfaces arranged on the periphery of the bottom plate;
the upright post mechanism comprises an upright post vertically arranged on the fixed base through the rotary platform and a suspension arm horizontally arranged at the top end of the upright post and extending outwards;
the height adjusting structure comprises a fixed mounting seat, wherein the bottom of the upright post is used for winding and unwinding a rope reel, the head end of the steel wire rope is wound on the rope reel, the tail end of the steel wire rope is suspended below the hanging arm through a pulley block, and the tail end of the steel wire rope is also connected with a scattering device for controlling an object to be detected to fall.
Preferably, the fixing base is formed by welding a steel plate and a section steel, and the falling surface comprises a steel plate falling surface, a cement falling surface, a sand layer falling surface and a soil layer falling surface which are uniformly arranged around the bottom plate.
Preferably, the rotary platform comprises a movable plate rotatably mounted above the base plate by a revolute pair.
Preferably, the rotating platform further comprises a plurality of rollers arranged on the bottom surface of the movable plate.
Preferably, the roller is a spherical universal wheel.
Preferably, the upright post comprises at least an upper section and a lower section, and is formed by detachably splicing through bolts.
Preferably, a stay cable is arranged between the top of the upright post and the fixed base, so that the stability of the device is improved throughout the day.
Preferably, the lower end of the stay cable is also connected with a hook through a tension spring, so that the stay cable is convenient to assemble and disassemble rapidly.
Preferably, the spreading device is a self-discharging lifting hook.
Preferably, scale marks are drawn on the steel wire rope, so that a worker can conveniently and rapidly calculate the relative height of an object to be measured from the ground.
The rotary drop test device provided by the utility model has the beneficial effects that:
1. the device has simple and reasonable overall structural design, convenient use, low failure rate and easy maintenance;
2. the rotary platform of the device can drive the rotary arm to freely rotate, and can be matched with a plurality of different falling surfaces on the fixed base to carry out the contrast test of various falling test scenes, so that the test efficiency is greatly improved, and the test space is effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a rotary drop test device according to an embodiment of the present utility model;
FIG. 2 is a front view of a rotary drop test apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a fixing base in a rotary drop test device according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a rotating platform in a rotating type drop test device according to an embodiment of the present utility model;
FIG. 5 is a top view of a rotary platform in a rotary drop test apparatus according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a bearing seat in a rotary drop test device according to an embodiment of the present utility model.
In the figure: 1-fixed base, 101-bottom plate, 102-support body, 103-lower lug plate, 104-steel plate falling surface, 105-cement falling surface, 106-sand falling surface, 107-sand falling surface, 108-bearing hole, 2-rotating platform, 201 movable plate, 202-bearing seat, 203-end cover, 204-rotating shaft, 205-roller, 206-fixed hole, 207-mounting hole, 3-upright column mechanism, 301-lower upright column, 302-upper upright column, 303-suspension arm, 304-upper lug plate 304, 4-self-unloading lifting hook, 5-height adjusting mechanism, 501-rope winder, 502-power control system, 503-stay rope, 504-first pulley, 505-second pulley, 506-third pulley, 6 wire rope.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a rotary drop test device which comprises a fixed base 1, a rotary platform 2, a stand column mechanism 3, a spreading device and a height adjusting mechanism 5. Specific:
as shown in fig. 1 and fig. 3, in this embodiment, the fixing base 1 is formed by welding square steel pipes and steel plates, and a hollow cross steel frame is formed, the hollow cross steel frame is buried under the ground to ensure the stability of the overall structure, and a square steel plate is welded at the top of the central frame body 102 of the hollow cross steel frame, and is a bottom plate 101 for installing the rotating platform 2 and the upright post mechanism 3, and is also used as a reference surface of the rotating platform 2. Four square support bodies 102 around the bottom plate 101 are respectively welded with a rectangular steel plate, cement is poured, sand and sand are filled in the square support bodies, so that a steel plate falling surface 104, a cement falling surface 105, a sand falling surface 106 and a sand falling surface 107 are respectively formed, four falling surfaces for simulating different falling scenes are respectively formed, and the square support bodies are convenient for workers to carry out control tests and improve test efficiency.
As shown in fig. 1 to 6, the upright mechanism 3 is rotatably mounted on the fixed base 1 by a rotary platform 2, wherein the rotary platform 2 includes a movable plate 201, a bearing seat 202, an end cover 203, a rotary shaft 204, and a thrust bearing. The movable plate 201 is reserved with a plurality of fixing holes 206 for fixing the upright post mechanism 3 and a plurality of mounting holes 207 for mounting the end cover 203, the end cover 203 is fixedly mounted in the middle of the movable plate 201 through bolts, and the middle of the end cover 203 is provided with a threaded hole for mounting the rotating shaft 204. Correspondingly, one end of the rotating shaft 204 is provided with threads, the central position of the bottom plate 101 is provided with a bearing hole 108, the aperture of the bearing hole 108 is matched with the outer diameter of the bearing seat 202, the bearing seat 202 is fixed in the middle of the bottom plate 101 through four bolts, one end of the rotating shaft 204 is connected with the end cover 203 through threads, and the other end of the rotating shaft 204 is rotatably installed in the bearing seat 202 through the thrust bearing, so that the movable plate 201 can rotate relative to the bottom plate 101.
As shown in fig. 2 and 4, further, as a preferred embodiment, four rollers 205 are further installed at four corners of the bottom of the movable plate 201 to reduce the load applied to the bearing seat 202, and the installation angles of the rollers 205 are installed according to the circumferential movement direction of the movable plate 201 during rotation, so that the rollers 205 can cooperate with the bearing seat 202 to complete the smooth rotation of the rotary platform 2. Of course, the roller 205 may alternatively be a spherical castor.
As shown in fig. 1 and 2, the upright mechanism 3 includes an upright and a suspension arm 303, where the upright and the suspension arm 303 are formed steel, the upright adopts an up-down splicing design, and includes a lower upright 301 and an upper upright 302, the lower end of the lower upright 301 is fixedly connected with the movable plate 201 through a bolt, and the upper end is detachably connected with the upper upright 302 through a bolt, so that the maximum drop height of the rotary drop test device can be adjusted by increasing the number of splices; the suspension arm 303 is welded at the top end of the upper upright post 302 in a horizontal manner and extends outwards, so as to ensure that an object to be measured can just fall on a falling surface. In order to ensure the stability and safety of the whole rotary drop test device, an upper lug plate 304 and a lower lug plate 103 are further arranged on the top end of the upper upright post 302 and the periphery of the fixed base 1, round through holes convenient to connect are formed in the upper lug plate 304 and the lower lug plate 103, the upper lug plate 304 on the top end of the upper upright post 302 is connected with the lower lug plate 103 on the periphery of the fixed base 1 through a stay cable 503, so that the stability of the upright post mechanism 3 is ensured, and the lower end of the stay cable 503 is further connected with a hook through a tension spring, so that the stay cable 503 is always in a tightening state, and meanwhile, the stay cable 503 can be quickly detached and installed.
As shown in fig. 1 and fig. 2, the height adjusting mechanism 5 is used for adjusting the falling height of an object to be measured, and comprises a rope winding machine 501, a power control system 502, a steel wire rope 6 and a pulley block, wherein the rope winding machine 501 is used for winding and unwinding the steel wire rope 6 and is driven by electric power, the lifting speed V is less than or equal to 600mm/min, the object to be measured is ensured to be stable and reliable in vertical operation, and the rope winding machine 501 is fixedly arranged below the lower upright post 301 so as to reduce the gravity center of the whole rotary type drop test device and ensure the stability of the structure. The pulley block comprises a first pulley 504 fixedly arranged beside the rope winding machine 501, a second pulley 505 fixed at the top end of the upper upright post 302 and a third pulley 506 fixed at the tail end of the suspension arm 303, the head end of the steel wire rope 6 is wound on the rope winding machine 501, the tail end is suspended below the suspension arm 303 through the pulley block, and the tail end of the steel wire rope 6 is also connected with a spreading device for controlling an object to be tested to drop downwards. The spreading device is a self-discharging lifting hook 4, so that a worker can remotely control the object to be tested to be released from the self-discharging lifting hook 4. The power control system 502 is electrically connected with the gear motor, and controls the rope winding machine 501 to rotate forward and backward to adjust the lifting height of the object to be measured.
Furthermore, scale marks are also drawn on the steel wire rope 6, so that a worker can conveniently and rapidly calculate the relative height of an object to be measured from the ground.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A rotary drop test device, comprising:
the fixed base comprises a bottom plate and at least two different falling surfaces arranged on the periphery of the bottom plate;
the upright post mechanism comprises an upright post vertically arranged on the fixed base through the rotary platform and a suspension arm horizontally arranged at the top end of the upright post and extending outwards;
the height adjusting structure comprises a fixed mounting seat, wherein the bottom of the upright post is used for winding and unwinding a rope reel, the head end of the steel wire rope is wound on the rope reel, the tail end of the steel wire rope is suspended below the hanging arm through a pulley block, and the tail end of the steel wire rope is also connected with a scattering device for controlling an object to be detected to fall.
2. A rotary drop test apparatus as claimed in claim 1, wherein: the fixed base is formed by welding steel plates and profile steel, and the falling surfaces comprise steel plate falling surfaces, cement falling surfaces, sand falling surfaces and soil falling surfaces which are uniformly arranged on the periphery of the bottom plate.
3. A rotary drop test apparatus as claimed in claim 1, wherein: the rotary platform comprises a movable plate which is rotatably arranged above the bottom plate through a revolute pair.
4. A rotary drop test apparatus as claimed in claim 3, wherein: the rotating platform further comprises a plurality of rollers arranged on the bottom surface of the movable plate.
5. The rotational drop test apparatus as claimed in claim 4, wherein: the idler wheels are spherical universal wheels.
6. A rotary drop test apparatus as claimed in claim 1, wherein: the upright post comprises at least an upper section and a lower section, and is formed by detachably splicing bolts.
7. A rotary drop test apparatus as claimed in claim 1, wherein: and a stay cable is arranged between the top of the upright post and the fixed base.
8. The rotational drop test apparatus as claimed in claim 7, wherein: the lower end of the stay cable is also connected with a hook through a tension spring.
9. A rotary drop test apparatus as claimed in claim 1, wherein: the spreading device is a self-discharging lifting hook.
10. A rotary drop test apparatus as claimed in claim 1, wherein: and graduation lines are drawn on the steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238899.5U CN219914807U (en) | 2023-02-13 | 2023-02-13 | Rotary drop test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320238899.5U CN219914807U (en) | 2023-02-13 | 2023-02-13 | Rotary drop test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914807U true CN219914807U (en) | 2023-10-27 |
Family
ID=88423944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320238899.5U Active CN219914807U (en) | 2023-02-13 | 2023-02-13 | Rotary drop test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914807U (en) |
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2023
- 2023-02-13 CN CN202320238899.5U patent/CN219914807U/en active Active
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