CN109959571B - Moving strength testing machine for baby crib - Google Patents
Moving strength testing machine for baby crib Download PDFInfo
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- CN109959571B CN109959571B CN201711422805.5A CN201711422805A CN109959571B CN 109959571 B CN109959571 B CN 109959571B CN 201711422805 A CN201711422805 A CN 201711422805A CN 109959571 B CN109959571 B CN 109959571B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0039—Hammer or pendulum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- Biodiversity & Conservation Biology (AREA)
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- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a moving strength testing machine of a crib, which comprises a base, a moving device, a sensor and a monitor, wherein the moving device is connected with the crib and drives the crib to slide on the base in a reciprocating mode, the sensor is arranged on the crib to monitor the state of the crib in the sliding process, and the monitor shoots the testing process of the crib. The moving strength testing machine is provided with the base as a foundation for bearing the baby crib, and the moving device is used for driving the baby crib to slide on the base in a reciprocating mode, so that the limit condition of the baby crib after long-term use and moving can be simulated, and the moving strength of the baby crib can be tested. Various parameters of the state of the crib in the test process are obtained by arranging a sensor on the crib, and the monitor acquires video data so as to carry out analysis.
Description
Technical Field
The invention relates to the technical field of crib quality detection, in particular to a moving strength testing machine of a crib.
Background
Baby strollers and cribs are specialized items for infants and these items need to be of very reliable quality to ensure the safety of the infant. The using environment of the baby stroller is outdoor, and the baby stroller is basically in a moving state in the using process; the environment in which the crib is used is indoors, and although not in a long-term mobile state like a baby stroller, the crib is not completely stationary. Since parents often need to move between places such as bedrooms, living rooms and kitchens, the crib can be moved in order to enable the baby to be in the sight range of the parents at any time.
The crib is not influenced by other external forces except the load of the baby in a static state, can keep stable in structure, and is influenced by factors such as pulling force, pushing force, friction force and even jolt in the moving process, so that structural damage is easily caused. Before the baby crib leaves the factory, the strength of the baby crib under long-term movement should be tested, and the baby crib can be supplied to a user only after the test is qualified.
Therefore, it is necessary to provide a testing machine capable of testing the moving strength of the baby bed.
Disclosure of Invention
The invention aims to provide a testing machine capable of testing the moving strength of a baby crib.
In order to achieve the above object, the present invention provides a moving strength testing machine for a baby crib, comprising a base, a moving device, a sensor and a monitor, wherein the moving device is connected to the baby crib and drives the baby crib to slide on the base in a reciprocating manner, the sensor is arranged on the baby crib to monitor the state of the baby crib during the sliding process, and the monitor shoots the testing process of the baby crib.
Compared with the prior art, the moving strength testing machine is provided with the base as a foundation for bearing the baby crib, and the moving device is used for driving the baby crib to slide on the base in a reciprocating manner, so that the limit condition of the baby crib after long-term use and moving can be simulated, and the moving strength of the baby crib can be tested. Various parameters of the state of the crib in the test process are obtained by arranging a sensor on the crib, and the monitor acquires video data so as to carry out analysis.
Preferably, the moving device is disposed on the body of the mobile strength testing machine and includes a moving mechanism and a connecting mechanism, the moving mechanism drives the connecting mechanism to reciprocate along the base, and the connecting mechanism is connected to the crib.
Specifically, the moving direction of the moving mechanism is parallel to the length direction of the base, and the moving direction of the connecting mechanism is perpendicular to the length direction of the base.
Specifically, the fuselage is including being fixed in the curb plate on the base, and the mobile device is located on the curb plate.
More specifically, both sides of the base are respectively fixed with a side plate, and both the side plates are provided with a moving device.
Specifically, the moving mechanism comprises a driving wheel rotatably arranged on the machine body, a driven wheel and a synchronous belt wound on the driving wheel and the driven wheel, and the connecting mechanism is fixed with the synchronous belt.
More specifically, the machine body is also provided with a guide rail, and the connecting mechanism is in sliding butt joint with the guide rail.
Specifically, the connecting mechanism is connected to the front end face, the rear end face or two side faces of the baby crib and pushes or pulls the baby crib.
Specifically, the connecting mechanism comprises a telescopic piece and a connecting piece, wherein the telescopic piece is provided with an output end which can be close to or far away from the crib, and the connecting piece is driven by the output end to be connected with the crib.
More specifically, the telescopic part is a cylinder, a linear motor or an electric push rod.
More specifically, the connector is a top block, a hook or a suction cup.
Preferably, the sensor includes one or more of a temperature sensor, a humidity sensor, a vibration sensor, a sound sensor, and a structure detection sensor.
Preferably, the sensor is a wireless sensor, the mobile intensity tester further includes a receiving unit and a storage unit, the receiving unit receives data transmitted by the sensor, and the storage unit stores the data received by the receiving unit.
Preferably, the base comprises a base plate and a floor plate detachably mounted on the base plate, and the crib slides on the floor plate.
Specifically, the bottom plate can be provided with floors with different surface friction coefficients.
More specifically, the surface of the floor is made of long-hair carpet, short-hair carpet, ceramic tile, wood, bamboo, metal or stone-like material.
In particular, raised obstacles are provided on the floor.
Preferably, the mobile strength testing machine is arranged in a testing room, and the testing room is provided with a temperature control mechanism and/or a humidity control mechanism.
Specifically, the temperature control mechanism includes a refrigerator and/or a heater, and the humidity control mechanism includes a humidifier and/or a dehumidifier.
Preferably, the impact testing mechanism is arranged above the base and comprises an impact hammer which falls freely after being released.
Specifically, the impact testing mechanism comprises a clamping jaw for clamping the impact hammer.
More specifically, the impact testing mechanism is mounted on a frame body which slides along the length direction of the base, the clamping jaw is mounted on a sliding part, and the sliding part is arranged on the frame body in a sliding manner along the transverse direction of the base.
Preferably, the device further comprises a controller for controlling the moving device to adjust the test intensity and the test times.
Drawings
Fig. 1 is a perspective view of a moving strength testing machine of a baby bed according to the present invention.
Fig. 2 is a schematic view of the crib during a test.
Fig. 3 is a front view of the moving strength testing machine and the baby bed.
FIG. 4 is a diagram of a mobile intensity tester located in a test cell according to another embodiment of the present invention.
Description of the marks
The baby bed comprises a base 1, side plates 10, a bottom plate 11, a floor 12, a frame body 15, a moving device 2, a servo motor 21, a driving wheel 22, a driven wheel 23, a synchronous belt 24, a sliding block 25, a telescopic part 26, a connecting part 27, a guide rail 28, a monitor 3, a sliding part 41, a clamping jaw 42, an impact hammer 43, a test room 5, a refrigerator 61, a heater 62, a humidifier 63, a dehumidifier 64 and a baby bed 9.
Detailed Description
The preferred embodiments of the present invention will now be described with reference to the accompanying drawings, which are given by way of illustration.
As shown in fig. 1, the present invention discloses a movement intensity testing machine for a baby crib, which can continuously move the baby crib to test the movement intensity of the baby crib. The mobile strength tester comprises a base 1, a mobile device 2, a sensor and a monitor 3, wherein the base 1 is a base for bearing a baby crib and has a rectangular structure. The moving device 2 is connected with the crib placed on the base 1 and can drive the crib to slide back and forth in the length direction of the base 1 after being started. The sensor is arranged on the crib to monitor various states of the crib in the testing process, and the monitor 3 shoots the testing process of the crib.
Referring to fig. 2 and 3, the body of the mobile strength testing machine includes two side plates 10, the two side plates 10 are respectively fixed to two ends of the base 1, and the mobile device 2 is mounted on the side plates 10. The sliding of the crib 9 can be driven by only one moving device 2, but the unbalance is inevitable, so that one moving device 2 is mounted on each side plate 10, and the two moving devices 2 are symmetrically arranged so as to drive the crib 9 in the middle in a balanced manner. The moving device 2 comprises a moving mechanism and a connecting mechanism, the connecting mechanism is used for being connected with the crib 9, the connection can be realized through various forms, and the moving mechanism is used for driving the connecting mechanism to reciprocate along the length direction of the base 1.
Referring to fig. 1 and 2, the moving mechanism includes a servo motor 21, a driving pulley 22, a driven pulley 23, and a timing belt 24. The driving wheel 22 and the driven wheel 23 are rotatably arranged on the inner side of the side plate 10 and respectively located at the front end and the rear end of the side plate 10, and the rotating axis direction of the driving wheel 22 and the driven wheel 23 is consistent with the width direction of the base 1. The servo motor 21 is fixed on the outer side of the side plate 10 and drives the driving wheel 22 to rotate, the synchronous belt 24 is wound on the driving wheel 22 and the driven wheel 23 and is horizontally arranged, when the servo motor 21 is started, the synchronous belt 24 can run, and the running direction of the synchronous belt is determined by the motor shaft rotation direction of the servo motor 21. The connecting mechanism comprises a sliding block 25, a telescopic piece 26 and a connecting piece 27, wherein the sliding block 25 is fixed with the synchronous belt 24 and can move back and forth along the base 1 under the driving of the synchronous belt 24. The telescopic member 26 is fixed on the sliding block 25, and the telescopic member 26 has an output end capable of extending out or retracting towards the other side plate 10, and the output end can be close to or far away from the baby crib 9 when the baby crib 9 is placed on the base 1. A connection 27 is provided at the output end, the connection 27 serving to connect with the crib 9. Preferably, a buffer member, such as a spring, is further disposed between the telescopic member 26 and the connecting member 27, so as to avoid the connecting member 27 from rigidly colliding with the baby crib 9 when approaching the baby crib 9, and protect the baby crib 9 and the mechanism. Specifically, in the present embodiment, the telescopic element 26 is an air cylinder, and a piston rod of the air cylinder is an output end, but the telescopic element is not limited thereto, and may be other devices and structures such as a linear motor, an electric push rod, a gear rack, and the like. The synchronous belt 24 can drive the sliding block 25 to move, but the sliding block 25, the telescopic member 26 and the connecting member 27 cannot be supported by the synchronous belt 24 alone. Therefore, the side plate 10 is further provided with a guide rail 28 positioned above the timing belt 24, the guide rail 28 extends along the length direction of the base 1, and the slider 25 is in sliding contact with the guide rail 28. The guide rail 28 can support the slider 25 and also serves as a guide to ensure stability during sliding of the slider 25.
Referring to fig. 2, as mentioned above, the connection between the connecting member 27 and the baby crib 9 can be realized in various ways, and in this embodiment, the connecting member 27 is a top block. The connecting pieces 27 of the two moving devices 2 move towards the baby crib 9 at the same time and clamp and fix the baby crib 9, and then the moving mechanism operates to drive the baby crib 9 to slide on the base 1 in a reciprocating manner. The connecting piece 27 can be positioned at the rear of the baby crib 9 and connected with the rear end surface instead of contacting with the side surface of the baby crib 9, and then the baby crib 9 is pushed forwards to slide; the link 27 may be positioned in front of the crib 9 and connected to the front end surface to pull the crib 9 forward and slide. Depending on the type of actuation, the connecting element 27 can also be a hook or a suction cup, provided that the connection is stable.
With continued reference to fig. 1 or 2, the base 1 includes a bottom plate 11 and a floor 12 detachably mounted on the bottom plate 11, and the crib 9 slides on the floor 12. The surface of the floor 12 is made of family decoration materials such as long-hair carpets, short-hair carpets, ceramic tiles or grindstones and the like so as to simulate the actual ground conditions of the crib 9 as much as possible, so that the test is more complete and reliable. Furthermore, raised obstacles may be provided on the floor 12 to cause the crib to jolt during sliding, thereby simulating a harsh use condition. The tests of the crib 9 mainly include two aspects, namely, detecting the physical state of the crib during movement and testing the damage limit of the crib, and in view of this, sensors (not shown) disposed on the crib 9 include a vibration sensor, a sound sensor, and a structure detection sensor. The vibration condition of the crib 9 and the noise generated in the test process can be monitored by the vibration sensor and the sound sensor, so that whether the baby is uncomfortable due to movement or not can be known. The sensor is preferably a wireless sensor to avoid interference with the sliding of the crib 9, a receiving unit is used to receive the data transmitted by the sensor, and a storage unit is used to store the data received by the receiving unit. The structure detecting sensor can be an optical fiber sensor, and the optical fiber sensor is arranged at a corresponding position on the crib 9 (preferably embedded in the crib 9 in advance), so that the position, the quantity and the like of the structural damage can be known by measuring the stress change after the push-pull limit is reached.
As shown in fig. 1, the mobile strength tester further includes an impact testing mechanism to test the strength of the crib 9 when it is impacted. A frame body 15 is arranged on the two side plates 10, and the frame body 15 is slidably arranged on the side plates 10 so as to be capable of sliding along the length direction of the base 1. The impact testing mechanism and the monitor 3 are mounted on the frame body 15. The impact testing mechanism comprises a sliding part 41, a clamping jaw 42 and an impact hammer 43, wherein the sliding part 41 is arranged at the top of the frame body 15 in a sliding mode and can slide along the transverse direction of the base 1 under the guide of a guide rail and the driving of a motor or a cylinder, and the like, the clamping jaw 42 is arranged below the sliding part 41 and clamps the impact hammer 43, and when the clamping jaw 42 is opened, the impact hammer 43 falls freely to impact the baby crib 9. Since the impact testing mechanism is laterally movable and the frame body 15 on which the impact testing mechanism is mounted is longitudinally movable, the impact hammer 43 can be moved to any position above the base 1 to impact any position on the crib 9. Further, a structure such as an air cylinder may be provided between the slider 41 and the claw 42 to adjust the height position of the hammer 43.
The tester also includes a controller, not shown, which is responsible for controlling all the action mechanisms in the tester, and the controller can adjust the output parameters of the moving mechanism, so as to change the push-pull speed, strength and times of the connecting mechanism to the crib 9. Likewise, the controller may also control the number of impact tests and change the impact strength by adjusting the height of the impact hammer 43.
As shown in fig. 4, in another embodiment, the present mobile strength testing machine is installed in a test booth 5, and the test booth 5 is provided with a temperature control mechanism and a humidity control mechanism, so that tests can be performed under different temperature and humidity conditions, and the use of the crib 9 in different areas with different climatic environments can be simulated. The temperature control mechanism comprises a refrigerator 61 and a heater 62, the humidity control mechanism comprises a humidifier 63 and a dehumidifier 64, and the temperature and humidity parameters in the test room 5 can be changed freely by the cooperation of the refrigerator 61, the heater 62, the humidifier 63 and the dehumidifier 64. Of course, the humidity control mechanism may include only one of the humidifier 63 or the dehumidifier 64, the temperature control mechanism may include only one of the refrigerator 61 or the heater 62, and only the temperature control mechanism or the humidity control mechanism may be provided on the test chamber 5. In the test of this embodiment, in order to accurately know the temperature and humidity of the crib 9, a temperature sensor and a humidity sensor may be disposed on the crib 9. In addition to the four sensors mentioned herein, other kinds of sensors may be provided according to actual needs.
Compared with the prior art, the moving strength testing machine is provided with the base 1 as a foundation for bearing the baby crib 9, and the moving device 2 is used for driving the baby crib 9 to slide on the base 1 in a reciprocating manner, so that the limit condition of the baby crib 9 after long-term use and moving can be simulated, and the moving strength of the baby crib can be tested. And various parameters of the state of the crib 9 during the test are obtained by arranging sensors on the crib 9, and the monitor 3 acquires video data for analysis.
The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.
Claims (22)
1. The utility model provides a removal intensity test machine of crib which characterized in that: the impact testing device comprises a base, a moving device, an impact testing mechanism, a sensor and a monitor, wherein the base is provided with a side plate, and the moving device is arranged on the inner side of the side plate; the moving device is connected to the crib and drives the crib to slide on the base in a reciprocating mode, the sensor is arranged on the crib to monitor the state of the crib in the sliding process, and the monitor shoots the testing process of the crib; the side plate is provided with a frame body which can be arranged on the side plate in a sliding manner along the length direction of the base; the impact testing mechanism is arranged on the frame body and located above the base to test the strength of the baby crib when impacted.
2. The mobile intensity tester of claim 1, wherein: the moving device is arranged on the machine body of the moving strength testing machine and comprises a moving mechanism and a connecting mechanism, the moving mechanism drives the connecting mechanism to reciprocate along the base, and the connecting mechanism is connected with the crib.
3. The mobile intensity tester of claim 2, wherein: the actuating direction of the moving mechanism is parallel to the length direction of the base, and the actuating direction of the connecting mechanism is perpendicular to the length direction of the base.
4. The mobile intensity tester of claim 1, wherein: the two sides of the base are respectively fixed with the side plates, and the moving devices are arranged on the two side plates.
5. The mobile intensity tester of claim 2, wherein: the moving mechanism comprises a driving wheel, a driven wheel and a synchronous belt, wherein the driving wheel is rotatably arranged on the machine body, the driven wheel is wound on the synchronous belt, the driving wheel and the synchronous belt are arranged on the driven wheel, and the connecting mechanism is fixed with the synchronous belt.
6. The mobile intensity tester of claim 5, wherein: the machine body is also provided with a guide rail, and the connecting mechanism is in sliding butt joint with the guide rail.
7. The mobile intensity tester of claim 2, wherein: the connecting mechanism is connected to the front end face, the rear end face or the two side faces of the baby crib and pushes or pulls the baby crib.
8. The mobile intensity tester of claim 2, wherein: the connecting mechanism comprises an expansion piece and a connecting piece, the expansion piece is provided with an output end which can be close to or far away from the crib, and the connecting piece is driven by the output end to be connected with the crib.
9. The mobile intensity tester of claim 8, wherein: the telescopic part is a cylinder, a linear motor or an electric push rod.
10. The mobile intensity tester of claim 8, wherein: the connecting piece is a top block, a clamping hook or a sucking disc.
11. The mobile intensity tester of claim 1, wherein: the sensor comprises one or more of a temperature sensor, a humidity sensor, a vibration sensor, a sound sensor and a structure detection sensor.
12. The mobile intensity tester of claim 1, wherein: the sensor is a wireless sensor, the mobile strength testing machine further comprises a receiving unit and a storage unit, the receiving unit receives data transmitted by the sensor, and the storage unit stores the data received by the receiving unit.
13. The mobile intensity tester of claim 1, wherein: the base comprises a bottom plate and a floor detachably mounted on the bottom plate, and the baby crib slides on the floor.
14. The mobile intensity tester of claim 13, wherein: the bottom plate can be provided with floors with different surface friction coefficients.
15. The mobile intensity tester of claim 14, wherein: the surface of the floor is made of long-hair carpet, short-hair carpet, ceramic tile, wood, bamboo, metal or ground stone.
16. The mobile intensity tester of claim 13, wherein: the floor is provided with a raised barrier.
17. The mobile intensity tester of claim 1, wherein: the mobile strength testing machine is arranged in a testing room, and a temperature control mechanism and/or a humidity control mechanism are/is arranged in the testing room.
18. The mobile intensity tester of claim 17, wherein: the temperature control mechanism comprises a refrigerator and/or a heater, and the humidity control mechanism comprises a humidifier and/or a dehumidifier.
19. The mobile intensity tester of claim 1, wherein: the impact testing mechanism comprises an impact hammer which falls freely after being released.
20. The mobile intensity tester of claim 19, wherein: the impact testing mechanism comprises a clamping jaw for clamping the impact hammer.
21. The mobile intensity tester of claim 20, wherein: the clamping jaw is installed on a sliding part, and the sliding part is arranged on the frame body in a sliding mode along the transverse direction of the base.
22. The mobile intensity tester of claim 1, wherein: the device also comprises a controller for controlling the mobile device to adjust the test intensity and the test times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422805.5A CN109959571B (en) | 2017-12-25 | 2017-12-25 | Moving strength testing machine for baby crib |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422805.5A CN109959571B (en) | 2017-12-25 | 2017-12-25 | Moving strength testing machine for baby crib |
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| CN109959571A CN109959571A (en) | 2019-07-02 |
| CN109959571B true CN109959571B (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711422805.5A Active CN109959571B (en) | 2017-12-25 | 2017-12-25 | Moving strength testing machine for baby crib |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115326605B (en) * | 2022-10-17 | 2023-04-11 | 承德市精密试验机有限公司 | Automatic drop hammer impact testing machine |
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| CN101900656A (en) * | 2009-05-27 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Abrasion resistance testing device |
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|---|---|---|---|---|
| CN101458154A (en) * | 2008-11-12 | 2009-06-17 | 陶泽成 | Child bed impact tester |
| CN102621019A (en) * | 2011-01-30 | 2012-08-01 | 纬创资通股份有限公司 | Clamping fixture, friction testing device possessing the same, and friction testing method |
| CN202846532U (en) * | 2012-09-14 | 2013-04-03 | 程远平 | Mechanical arm applied to shoe material molding machine |
| CN203595592U (en) * | 2013-10-28 | 2014-05-14 | 上海大学 | High-altitude work guard net impact resistance performance testing device |
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| CN107309672A (en) * | 2017-07-10 | 2017-11-03 | 江苏恒力组合机床有限公司 | The servicing unit being supported by servo electric jar |
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| CN109959571A (en) | 2019-07-02 |
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