CN209945671U - Soft heavy object body impact test device - Google Patents
Soft heavy object body impact test device Download PDFInfo
- Publication number
- CN209945671U CN209945671U CN201920907051.0U CN201920907051U CN209945671U CN 209945671 U CN209945671 U CN 209945671U CN 201920907051 U CN201920907051 U CN 201920907051U CN 209945671 U CN209945671 U CN 209945671U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- impact test
- test device
- soft
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a door and window striking capability test equipment technical field discloses a soft heavy object body impact test device, including suspending in midair in the striking body of fixed part, still include swing arm, electromagnet and locate the iron disc of the one end that the striking body kept away from the test sample, the one end of swing arm is rotated and is connected in the fixed part, and the other end of swing arm is connected in electromagnet's stiff end, and electromagnet's magnetic force end is towards the iron disc. This soft heavy object body impact test device has realized being connected and breaking off between swing arm and the impactor through the magnetic force effect between electromagnet and the iron disc, can utilize long-range circular telegram and outage to realize lifting and release to the impactor. The device simple structure, easy to operate and remote control have avoided the potential safety hazard that manual operation spring catch released soft heavy object and brought, have released independent adjusting device's occupation of land space simultaneously, have increased the effective utilization of resource.
Description
Technical Field
The utility model relates to a door and window striking capability test equipment technical field especially relates to a soft heavy object body impact test device.
Background
The door and window is a weak part of the maintenance structure, and after the door and window is impacted by a human body, whether the door and window can not be damaged or the normal use function is kept is an important index for evaluating the quality of the door and window. At present, when a door and window is subjected to an impact test, a test device in GB/T14155 whole door soft heavy object impact test 2008 is generally adopted, as shown in fig. 1, the test device includes an impact body 2, a first pulley 9-1, a first adjusting device 10-1, a first strop 11-1, a second pulley 9-2, a second adjusting device 10-2, a second strop 11-2, and a spring buckle 12, wherein a left end of the first strop 11-1 is wound around the first adjusting device 10-1, and a right end of the first strop 11-1 is wound around the first pulley 9-1 and then fixedly connected to the impact body 2, so that the impact body 2 is suspended below the first pulley 9-1; meanwhile, the right end of the second sliding cable 11-2 is wound on the second adjusting device 10-2, and the left end of the second sliding cable 11-2 is detachably connected to the impact body 2 through a spring buckle 12. When the door is used, the impact body 2 is moved to a preset impact position through the first adjusting device 10-1, then the impact body 2 is lifted to a preset height through the second adjusting device 10-2, then the spring fastener 12 is manually loosened, the impact body 2 is enabled to freely fall and impact the whole door frame, and finally the damage condition of the door body after impact is observed.
However, the test equipment adopts two independent adjusting devices to control the falling height of the impact body, the equipment is complex, the occupied area is large, and the resource allocation is wasted; in addition, when the soft weight is lifted to a specified height, the soft weight cannot fall automatically, and the spring fastener needs to be loosened manually by a person (at the moment, the lifting height of the sand bag reaches about 1500 mm), so that the soft weight can fall freely, and the safety hazard of an operator is increased undoubtedly by manual operation.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a soft heavy object body impact test device for solve current soft heavy object body impact test device and need the manually operation spring catch release the safety problem that soft heavy object brought, with security, the controllability that improves the test.
The embodiment of the utility model provides a soft heavy object body impact test device, including suspending in midair in the striking body of fixed part, still include swing arm, electromagnet and locate the iron disc of the one end of experimental sample is kept away from to the striking body, the one end of swing arm rotate connect in the fixed part, the other end of swing arm connect in electromagnet's stiff end, electromagnet's magnetic force end orientation the iron disc.
The swing arm fixing device comprises a fixing part, a rotating shaft, a bearing and a motor, wherein the rotating shaft is fixedly connected to one end, facing the fixing part, of the swing arm, and the axis of the rotating shaft is perpendicular to the length direction of the swing arm; the outer ring of the bearing is fixedly connected to the fixing part, and the inner ring of the bearing is coaxially sleeved on the rotating shaft; the output shaft of the motor is connected to the rotating shaft to drive the swing arm to rotate.
The motor is characterized by further comprising a transmission mechanism, the transmission mechanism comprises a driving part and a driven part which are connected with each other, an output shaft of the motor is connected with the driving part, and the rotating shaft is connected with the driven part.
The transmission mechanism comprises a first gear and a second gear which are meshed with each other, the first gear is connected to an output shaft of the motor, and the second gear is connected to the rotating shaft.
The transmission mechanism comprises a first chain wheel, a second chain wheel and a chain, wherein the chain is wound around the peripheries of the first chain wheel and the second chain wheel and is connected end to form a closed annular loop; the first chain wheel is connected to an output shaft of the motor, and the second chain wheel is connected to the rotating shaft.
The transmission mechanism comprises a worm wheel and a worm which are meshed with each other, the worm is connected to an output shaft of the motor, and the worm wheel is connected to the rotating shaft.
Wherein, the impact body is a spherical sand bag which is packaged with dry sand.
The impact body is fixed on the fixed part, and the other end of the lifting rope is wound on the winder.
Wherein, the swing arm is equipped with a plurality of installation positions along length direction, electromagnet's stiff end detachably connect in the installation position.
Wherein, electromagnet includes casing, iron core and coil, the casing connect in the swing arm, the iron core is fixed in the casing, the coil is around locating the iron core.
The embodiment of the utility model provides a soft heavy object body impact test device, including the impactor, swing arm, electromagnet and iron disc, let the swing arm forward rotation to impactor department during the use first, the circular telegram operation, the electromagnet who locates on the swing arm produces suction, adsorbs the iron disc that locates on the impactor, and then links together impactor and swing arm through magnetic force; and then reversely rotating the swing arm to drive the impact body to move to the height position of the standard specified falling, performing power-off operation to disconnect the iron plate and the electromagnetic chuck, separating the impact body from the swing arm at the moment, freely rotating down, finally impacting the test sample, and completing the test. This soft heavy object body impact test device has realized being connected and breaking off between swing arm and the impactor through the magnetic force effect between electromagnet and the iron disc, can utilize long-range circular telegram and outage to realize lifting and release to the impactor. The device simple structure, easy to operate and remote control have avoided the potential safety hazard that manual operation spring catch released soft heavy object and brought, have released independent adjusting device's occupation of land space simultaneously, have increased the effective utilization of resource.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a soft weight impact test apparatus of the prior art;
fig. 2 is a schematic structural diagram of a soft heavy object impact test device in an embodiment of the present invention;
description of reference numerals:
1: a fixed part; 2: an impact body; 3: swinging arms;
4: an electromagnetic chuck; 5: an iron plate; 6: a rotating shaft;
7: a lifting rope; 8: a test sample; 9-1: a first pulley;
9-2: a second pulley; 10-1: a first adjusting device; 10-2: a second adjustment device;
11-1: a first strop; 11-2: a second strop; 12: and (4) a spring buckle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first" and "second" are used for clearly indicating the numbering of the product parts and do not represent any substantial difference unless explicitly stated or limited otherwise. The directions of the upper part, the lower part, the left part and the right part are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Fig. 2 is the embodiment of the utility model provides a structural schematic diagram of a soft heavy object body impact test device, as shown in fig. 2, the utility model provides a pair of soft heavy object body impact test device, including suspending in midair in the impact body 2 of fixed part 1, still include swing arm 3, electromagnet 4 and locate the impact body 2 and keep away from the iron disc 5 of the one end of test sample 8, the left end of swing arm 3 is rotated and is connected in fixed part 1, and the right-hand member of swing arm 3 is connected in electromagnet 4's stiff end, and electromagnet 4's magnetic force end is towards iron disc 5.
Specifically, the fixing portion 1 may be a support beam disposed above the test sample 8, or may be a wall top, as long as it can perform a fixing and supporting function. The impact body 2 is a soft and heavy object for simulating the impact of soft objects such as human body, and the weight of the impact body 2 can be 30 plus or minus 1 kg. Initially, the impactor 2 is suspended from the lower side of the fixing portion 1 by its own weight, and the left side of the impactor 2 abuts against the right side of the test sample 8, or the left side of the impactor 2 is spaced from the right side of the test sample 8 by a distance of not more than 20 mm.
The swing arm 3 is a hard straight rod, and the left end of the swing arm 3 is rotatably connected to the fixed part 1, so that the swing arm 3 can rotate around the left end back and forth. As shown in fig. 2, the motion locus of the swing arm 3 is a sector. The lower surface of the right end of the swing arm 3 is connected to the fixed end of the electromagnetic chuck 4 (i.e., the upper surface of the electromagnetic chuck 4) to fix the electromagnetic chuck 4 to the swing arm 3. The magnetic force end of the electromagnetic chuck 4 (i.e., the lower surface of the electromagnetic chuck 4) faces the iron plate 5. An iron disc 5 is fixed to the right side of the impact body 2. When the electromagnetic chuck 4 is electrified, the magnetic force end of the electromagnetic chuck 4 generates magnetic attraction force to attract the iron disc 5; when the electromagnetic chuck 4 is powered off, the magnetic force disappears, the magnetic end of the electromagnetic chuck 4 has no magnetic force, and the connection with the iron plate 5 is disconnected.
The soft heavy object impact test device provided by the embodiment comprises an impact body, a swing arm, an electromagnetic chuck and an iron disc, wherein when the soft heavy object impact test device is used, the swing arm is rotated to the impact body in the forward direction, the electromagnetic chuck arranged on the swing arm generates suction force to adsorb the iron disc arranged on the impact body, and the impact body and the swing arm are connected into a whole through magnetic force; and then reversely rotating the swing arm to drive the impact body to move to the height position of the standard specified falling, performing power-off operation to disconnect the iron plate and the electromagnetic chuck, separating the impact body from the swing arm at the moment, freely rotating down, finally impacting the test sample, and completing the test. This soft heavy object body impact test device has realized being connected and breaking off between swing arm and the impactor through the magnetic force effect between electromagnet and the iron disc, can utilize long-range circular telegram and outage to realize lifting and release to the impactor. The device simple structure, easy to operate and remote control have avoided the potential safety hazard that manual operation spring catch released soft heavy object and brought, have released independent adjusting device's occupation of land space simultaneously, have increased the effective utilization of resource.
Further, as shown in fig. 2, the swing arm device further includes a rotating shaft 6, a bearing (not shown in the figure) and a motor (not shown in the figure), the rotating shaft 6 is fixedly connected to one end of the swing arm 3 facing the fixing portion 1, and an axis of the rotating shaft 6 is perpendicular to a length direction of the swing arm 3. The outer ring of the bearing is fixedly connected to the fixing part 1, and the inner ring of the bearing is coaxially sleeved on the rotating shaft 6. The output shaft of the motor is connected to the rotating shaft 6 to drive the swing arm 3 to rotate. Specifically, the bearing is a rolling bearing, and an outer ring of the bearing may be fixed to the fixing portion 1 by a bearing housing. Corotation and reversal through the output shaft of motor drive pivot 6 corotation or reversal, and then make swing arm 3 be close to or keep away from the impactor 2, the rotation angle through the control motor can conveniently, accurately adjust the striking height of impactor 2 simultaneously.
Further, the device also comprises a transmission mechanism (not shown in the figure), the transmission mechanism comprises a driving part and a driven part which are connected with each other, an output shaft of the motor is connected with the driving part, and the rotating shaft 6 is connected with the driven part. The transmission ratio between the output shaft of the motor and the rotating shaft 6 can be adjusted by arranging the transmission mechanism, and reasonable matching is carried out according to the rotation requirement of the swing arm 3.
Further, the transmission mechanism may be a gear transmission mechanism including a first gear and a second gear that are engaged with each other, the first gear being connected to an output shaft of the motor, and the second gear being connected to the rotating shaft 6. Specifically, the number of teeth of the first gear is smaller than that of the second gear, and the transmission ratio can be smaller than 1, so that the speed reduction effect is achieved.
Furthermore, the transmission mechanism can also be a chain transmission mechanism, and comprises a first chain wheel, a second chain wheel and a chain, wherein the chain is wound around the peripheries of the first chain wheel and the second chain wheel and is connected end to form a closed annular loop; the first chain wheel is connected with the output shaft of the motor, and the second chain wheel is connected with the rotating shaft 6. Specifically, the number of teeth of the first chain wheel is smaller than that of the second chain wheel, the transmission ratio is smaller than 1, and the speed reduction effect is achieved. Meanwhile, the motor can be arranged on the ground by using the chain transmission mechanism, so that long-distance transmission is realized, the disassembly, the assembly and the maintenance are convenient, and the inconvenience caused by fixing the motor on the fixing part 1 above the motor is avoided. Furthermore, a belt drive can be used, the composition of which is similar to a chain drive and will not be described in detail here.
Further, the transmission mechanism may be a worm gear and worm transmission mechanism, which includes a worm wheel and a worm engaged with each other, the worm is connected to the output shaft of the motor, and the worm wheel is connected to the rotating shaft 6. The worm gear and worm transmission mechanism has compact structure, small volume, light weight, stable transmission and no noise.
Further, the impactor 2 is a spherical sand bag filled with dry sand. Specifically, the impactor 2 can be a spherical leather bag or a sailcloth bag with the diameter of 350mm +/-10 mm, and the apparent density of the bag is 1500kg/m3The dry sand is screened by a sieve with 2mm meshes.
Further, the vehicle bumper further comprises a lifting rope 7 and a winder (not shown in the figure) arranged on the fixing portion 1, wherein the lower end of the lifting rope 7 is fixedly connected to the impact body 2, and the upper end of the lifting rope 7 is wound on the winder. The hanging length of the lifting rope 7 can be adjusted by setting the take-up device to match different impact points on the test specimen 8.
Further, the swing arm 3 is provided with a plurality of mounting positions along the length direction, and the fixed end of the electromagnetic chuck 4 is detachably connected to the mounting positions. The hanging length of the lifting rope 7 is different, then the position of the iron disc 5 is changed, and then the position of the electromagnetic chuck 4 can be conveniently and rapidly adjusted by arranging a plurality of different installation positions on the swing arm 3 so as to be matched with the iron disc 5.
Further, electromagnet 4 includes casing, iron core and coil, and the casing is connected in swing arm 3, and in the iron core was fixed in the casing, the coil was around locating the iron core. Specifically, the housing may be a disc-shaped housing with a hollow interior, or may be a rectangular housing with a hollow interior. The iron core can be installed in the casing according to the kind of different sucking discs, then twines the coil of corresponding number of turns and technical parameter, overlaps on the iron core after drying. The electromagnetic chuck can be powered by direct current and has the characteristics of good stability, strong suction force, small residual magnetism and the like.
As can be seen from the above embodiments, the soft heavy object impact test device provided by the present invention comprises an impact body, a swing arm, an electromagnetic chuck and an iron plate, wherein when in use, the swing arm is rotated forward to the impact body, and is powered on to generate a suction force by the electromagnetic chuck arranged on the swing arm, so as to adsorb the iron plate arranged on the impact body, thereby connecting the impact body and the swing arm into a whole through a magnetic force; and then reversely rotating the swing arm to drive the impact body to move to the height position of the standard specified falling, performing power-off operation to disconnect the iron plate and the electromagnetic chuck, separating the impact body from the swing arm at the moment, freely rotating down, finally impacting the test sample, and completing the test. This soft heavy object body impact test device has realized being connected and breaking off between swing arm and the impactor through the magnetic force effect between electromagnet and the iron disc, can utilize long-range circular telegram and outage to realize lifting and release to the impactor. The device simple structure, easy to operate and remote control have avoided the potential safety hazard that manual operation spring catch released soft heavy object and brought, have released independent adjusting device's occupation of land space simultaneously, have increased the effective utilization of resource.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a soft heavy object body impact test device, is including suspending in midair in the striking body of fixed part, its characterized in that still includes swing arm, electromagnet and locates the iron disc of the one end of experimental sample is kept away from to the striking body, the one end of swing arm rotate connect in the fixed part, the other end of swing arm connect in electromagnet's stiff end, electromagnet's magnetic force end orientation the iron disc.
2. The soft weight body impact test device according to claim 1, further comprising a rotating shaft, a bearing and a motor, wherein the rotating shaft is fixedly connected to one end of the swing arm facing the fixing portion, and the axis of the rotating shaft is perpendicular to the length direction of the swing arm; the outer ring of the bearing is fixedly connected to the fixing part, and the inner ring of the bearing is coaxially sleeved on the rotating shaft; the output shaft of the motor is connected to the rotating shaft to drive the swing arm to rotate.
3. The soft weight impact test device of claim 2, further comprising a transmission mechanism, wherein the transmission mechanism comprises a driving member and a driven member connected to each other, the output shaft of the motor is connected to the driving member, and the rotating shaft is connected to the driven member.
4. The soft weight impact test device of claim 3, wherein the transmission mechanism comprises a first gear and a second gear engaged with each other, the first gear being connected to the output shaft of the motor, and the second gear being connected to the rotating shaft.
5. The soft weight impact test device of claim 3, wherein the transmission mechanism comprises a first sprocket, a second sprocket and a chain, the chain is wound around the peripheries of the first sprocket and the second sprocket and is connected end to form a closed loop; the first chain wheel is connected to an output shaft of the motor, and the second chain wheel is connected to the rotating shaft.
6. The soft-weight impact test device of claim 3, wherein the transmission mechanism comprises a worm gear and a worm that are engaged with each other, the worm being connected to the output shaft of the motor, the worm gear being connected to the rotating shaft.
7. The soft-weight impact test apparatus of claim 1, wherein the impact body is a spherical sand bag packed with dry sand.
8. The soft heavy object impact test device of claim 1, further comprising a lifting rope and a winder mounted on the fixing portion, wherein one end of the lifting rope is fixedly connected to the impact body, and the other end of the lifting rope is wound on the winder.
9. The soft weight impact test device of claim 8, wherein the swing arm has a plurality of mounting locations along a length direction, and a fixed end of the electromagnetic chuck is detachably connected to the mounting locations.
10. The soft weight impact test device of any one of claims 1 to 9, wherein the electromagnetic chuck comprises a housing, an iron core and a coil, the housing is connected to the swing arm, the iron core is fixed in the housing, and the coil is wound around the iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907051.0U CN209945671U (en) | 2019-06-17 | 2019-06-17 | Soft heavy object body impact test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907051.0U CN209945671U (en) | 2019-06-17 | 2019-06-17 | Soft heavy object body impact test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209945671U true CN209945671U (en) | 2020-01-14 |
Family
ID=69135818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920907051.0U Active CN209945671U (en) | 2019-06-17 | 2019-06-17 | Soft heavy object body impact test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209945671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018526A (en) * | 2021-11-04 | 2022-02-08 | 三联泵业股份有限公司 | Drop test device for submersible pump |
-
2019
- 2019-06-17 CN CN201920907051.0U patent/CN209945671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018526A (en) * | 2021-11-04 | 2022-02-08 | 三联泵业股份有限公司 | Drop test device for submersible pump |
| CN114018526B (en) * | 2021-11-04 | 2024-05-17 | 三联泵业股份有限公司 | Drop test device for submersible pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106706451B (en) | Hammer lift-cabin door strength tester | |
| CN209945671U (en) | Soft heavy object body impact test device | |
| CN109850754A (en) | A kind of cargo hoisting device that construction site security performance is high | |
| WO2013063911A1 (en) | Labour-saving apparatus for testing no-load operation of manual chain hoist | |
| CN112249835A (en) | Elevator stall self-locking mechanism utilizing electromagnetic pole-changing principle | |
| CN201783457U (en) | Automatic-mesh-cleaning rotary screening machine | |
| CN113058839B (en) | A screening plant for gravel and sand | |
| CN219670022U (en) | Engine cylinder body lifting device | |
| CN113714612A (en) | Plasma steel cutting device | |
| CN209989003U (en) | Assembled construction steel member hoisting accessory | |
| CN117383458A (en) | Auxiliary device for electromechanical installation and use method thereof | |
| CN108482691B (en) | A kind of break catching apparatus and unmanned plane | |
| CN111056435A (en) | Heavy object carrying device for transformer substation | |
| CN213623004U (en) | Gallows structure for building engineering | |
| CN114572873A (en) | Weightlessness falling prevention device and method for crane for building engineering | |
| CN111983699A (en) | Metal detector capable of keeping horizontal avoiding obstacles | |
| CN113636443A (en) | Lifting appliance and lifting and unloading unit thereof | |
| CN210944584U (en) | Novel mobile material crane | |
| CN112607630A (en) | Crane capable of preventing overturning and automatically protecting | |
| CN218331036U (en) | Impact testing machine for shot bag for safety glass | |
| CN112642119A (en) | Shot collection device is used in high school's special sports | |
| CN206949960U (en) | Straddle riding type gyroscope equipment | |
| CN117922766B (en) | Marine marine survey instrument throwing device | |
| CN220623255U (en) | Movable security monitoring equipment | |
| CN114534171B (en) | A buffer structure for lifting strength training equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee after: Beijing Building Materials Inspection and Research Institute Co., Ltd. Address before: 100041 No. 69 Jinding North Road, Beijing, Shijingshan District Patentee before: BEIJING BUILDING MATERIALS TESTING ACADEMY Co.,Ltd. |