CN214277714U - Human body weight static test device - Google Patents
Human body weight static test device Download PDFInfo
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- CN214277714U CN214277714U CN202120249604.5U CN202120249604U CN214277714U CN 214277714 U CN214277714 U CN 214277714U CN 202120249604 U CN202120249604 U CN 202120249604U CN 214277714 U CN214277714 U CN 214277714U
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- weight static
- pressure sensor
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- 230000003068 static effect Effects 0.000 title claims abstract description 47
- 230000037396 body weight Effects 0.000 title claims description 13
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract description 18
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a human weight static test device, belong to the test equipment field, human weight static test device includes the briquetting group that is used for exerting pressure to the sample that awaits measuring, human weight static test device still includes elevating system, the guide bar subassembly, the tie-beam, pressure sensor and electric cabinet, the one end looks rigid coupling of tie-beam and pressure sensor is passed through respectively to elevating system's power take off end and guide bar subassembly, pressure sensor's the other end and briquetting group looks rigid coupling, elevating system's signal end and pressure sensor's signal end respectively with the signal end electric connection of electric cabinet. The utility model discloses a human weight static test device can be according to the accurate regulation test pressure of product test demand, and test data is more accurate reliable, and repeatability is high, and stability is higher, and easy and simple to handle reliably.
Description
Technical Field
The utility model relates to a test equipment field especially relates to a human weight static test device.
Background
The requirements of medical foot switches, foot pedals, chairs and medical electrical equipment on the mechanical strength, basic safety and basic performance of components are high, wherein a static test is one of the items of type tests, and a static test device is generally adopted to carry out a static load test on the human body weight resistance of the medical foot switches, the foot pedals, the chairs and other devices. Therefore, whether the structural design of the static test device is reasonable or not influences the accuracy of the static load test result. In the prior art, a static load test is usually carried out by adopting an air cylinder pressure applying mode, pressure is applied by adjusting air pressure control, the fluctuation of the test process is large, the air pressure control needs to be frequently and manually adjusted according to different test pressure requirements, and the test operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a human weight static test device is proposed, adopt the static load test subassembly that pressing block group, elevating system, guide bar subassembly, tie-beam and pressure sensor constitute, combine the electric cabinet to carry out accurate control, make human weight static test device can be according to the accurate regulation test pressure of product test demand, test data is more accurate reliable, repeatability is high, stability is higher, and easy and simple to handle reliably.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pair of human weight static test device, include the briquetting group that is used for exerting pressure to the sample that awaits measuring, human weight static test device still includes elevating system, guide bar subassembly, tie-beam, pressure sensor and electric cabinet, and elevating system's power take off end and the one end of guide bar subassembly are respectively through tie-beam and pressure sensor's one end looks rigid coupling, and pressure sensor's the other end and briquetting group looks rigid coupling, elevating system's signal end and pressure sensor's signal end respectively with the signal end electric connection of electric cabinet.
The utility model discloses preferred technical scheme lies in, elevating system includes worm gear driver and lead screw, and worm gear driver's power take off end cup joints on the lead screw, and worm gear driver can drive the lead screw and be screw drive along the axial of lead screw, and worm gear driver's signal end and the signal end electric connection of electric cabinet, the power take off end and the tie-beam looks rigid coupling of lead screw.
The utility model discloses preferred technical scheme lies in, briquetting group includes briquetting spare and universal joint connecting piece, the one end and the pressure sensor looks rigid coupling of universal joint connecting piece, the other end and the briquetting spare looks rigid coupling of universal joint connecting piece.
The utility model discloses preferred technical scheme lies in, and the guide bar subassembly includes guide bar group and linear bearing, and linear bearing cup joints on the guide bar group, and the one end and the tie-beam looks rigid coupling of guide bar group.
The utility model discloses preferred technical scheme lies in, human weight static test device still includes the backup pad, and elevating system and guide bar subassembly are fixed respectively in the backup pad.
The utility model discloses preferred technical scheme lies in, the lead screw counter weight is flange type lead screw.
The utility model discloses preferred technical scheme lies in, human weight static test device still includes the frame, and electric cabinet and backup pad are fixed respectively in the frame.
The utility model discloses preferred technical scheme lies in, the rigid coupling has the workstation that is used for bearing the sample that awaits measuring in the frame.
The utility model discloses preferred technical scheme lies in, and the bottom evenly distributed of frame has a plurality of universal wheelsets.
The utility model has the advantages that:
the utility model provides a human weight static test device, elevating system are elevating movement, can drive tie-beam, pressure sensor and briquetting group and do elevating movement in step, and wherein, the guide bar subassembly is used for guiding elevating system's power take off end and is reciprocating elevating movement along the axial of guide bar subassembly, prevents that the direction of motion is skew, guarantees that the motion is more steady reliable. The pressure sensor can collect the contact pressure with the sample to be tested and transmit pressure data information to the electric cabinet, and the electric cabinet automatically adjusts the pulse signal of the lifting mechanism according to the pressure data information so as to change the movement distance of the lifting mechanism and adjust the contact pressure of the pressing block group and the sample to be tested. The electric cabinet passes through PLC control elevating system's motor output torque, and the touch-sensitive screen of operating personnel accessible electric cabinet sets for test parameter, realizes accurate control, and easy operation is convenient. Through the process, the static force test device for the weight of the human body can automatically meet the test requirements of various products on different pressures, is suitable for static load tests of the weight of the human body of medical foot switches, pedals and chairs, and has the advantages of more accurate and reliable test data, high repeatability, higher stability and convenient and reliable operation.
Drawings
Fig. 1 is a schematic structural diagram of a human body weight static test device provided in an embodiment of the present invention;
fig. 2 is an enlarged schematic view of the structure of the human body weight static test device at a part a in fig. 1.
In the figure:
1. a press block group; 11. a briquetting member; 12. a gimbal connection; 2. a lifting mechanism; 21. a worm gear drive; 22. a screw rod; 3. a guide bar assembly; 31. a guide bar group; 32. a linear bearing; 4. a connecting beam; 5. a pressure sensor; 6. an electric cabinet; 7. a support plate; 8. a frame; 9. a work table; 10. a universal wheel set.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, in order to enable the human body weight static test device to accurately adjust the test pressure according to the product test requirement, the test data is more accurate and reliable, and the repeatability is high, further, the human body weight static test device provided in this embodiment includes a press block set 1 for applying pressure to the sample to be tested, the human body weight static test device further includes an elevating mechanism 2, a guide rod assembly 3, a connecting beam 4, a pressure sensor 5 and an electric cabinet 6, a power output end of the elevating mechanism 2 and one end of the guide rod assembly 3 are respectively fixedly connected with one end of the pressure sensor 5 through the connecting beam 4, the other end of the pressure sensor 5 is fixedly connected with the press block set 1, and a signal end of the elevating mechanism 2 and a signal end of the pressure sensor 5 are respectively electrically connected with a signal end of the electric cabinet 6. The lifting mechanism 2 is lifted and moved to drive the connecting beam 4, the pressure sensor 5 and the pressing block group 1 to synchronously lift and move, wherein the guide rod component 3 is used for guiding the power output end of the lifting mechanism 2 to reciprocate along the axial direction of the guide rod component 3, so that the deviation of the movement direction is prevented, and the movement is more stable and reliable. The pressure sensor 5 can collect the contact pressure with the sample to be tested and transmit pressure data information to the electric control box 6, and the electric control box 6 automatically adjusts the pulse signal of the lifting mechanism 2 according to the pressure data information so as to change the movement distance of the lifting mechanism 2 and adjust the contact pressure between the pressing block group 1 and the sample to be tested. The electric cabinet 6 controls the motor output torque of the lifting mechanism 2 through the PLC, test parameters can be set through a touch screen of the electric cabinet 6 by an operator, accurate control is achieved, and the operation is simple and convenient. Through the process, the static force test device for the weight of the human body can automatically meet the test requirements of various products on different pressures, is suitable for static load tests of the weight of the human body of medical foot switches, pedals and chairs, and has the advantages of more accurate and reliable test data, high repeatability, higher stability and convenient and reliable operation.
Preferably, the lifting mechanism 2 comprises a worm gear driver 21 and a screw rod 22, a power output end of the worm gear driver 21 is sleeved on the screw rod 22, the worm gear driver 21 can drive the screw rod 22 to perform spiral transmission along the axial direction of the screw rod 22, a signal end of the worm gear driver 21 is electrically connected with a signal end of the electric cabinet 6, and a power output end of the screw rod 22 is fixedly connected with the connecting beam 4. The worm gear and worm driver 21 performs worm transmission and can drive the screw rod 22 to perform reciprocating spiral transmission along the axial direction, so as to drive the connecting beam 4 to perform reciprocating lifting motion.
Preferably, the pressure block set 1 comprises a pressure block piece 11 and a universal joint connecting piece 12, wherein one end of the universal joint connecting piece 12 is fixedly connected with the pressure sensor 5, and the other end of the universal joint connecting piece 12 is fixedly connected with the pressure block piece 11. The universal joint connection 12 is used to connect the pressure block 11 with the pressure sensor 5 and allowsThe included angle between the connected parts is changed within a certain range, and the pressing block piece 11 is used for contacting a sample to be tested so as to realize static test. Wherein, the briquetting piece 11 can be replaced by a standard briquetting with matched specification according to the type of the sample to be tested. For example, when the sample to be tested is a foot pedal switch, the pressure block member 11 is configured as a foot switch standard pressure block with a pressure area of 625mm2Pressure is 1350N; when the sample to be tested is a pedal or a chair, the pressure block piece 11 is configured as a pedal standard pressure block or the pressure block piece 11 is configured as a chair standard pressure block, and the pressure area is 0.1m2The pressure is 2700N, and a round pressing block or a rectangular pressing block can be selected according to requirements.
Preferably, the guide rod assembly 3 comprises a guide rod set 31 and a linear bearing 32, the linear bearing 32 is sleeved on the guide rod set 31, and one end of the guide rod set 31 is fixedly connected with the connecting beam 4. The power output end of the lifting mechanism 2 does lifting motion, the guide rod group 31 is driven by the connecting beam 4 to vertically slide on the linear bearing 32, and the linear bearing 32 plays a role in supporting and guiding, so that the lifting motion is more stable.
Preferably, the human body weight static test device further comprises a supporting plate 7, and the lifting mechanism 2 and the guide rod assembly 3 are respectively fixed on the supporting plate 7. The support plate 7 is used for positioning and supporting the lifting mechanism 2 and the guide rod assembly 3.
Preferably, the lead screw 22 is weighted as a flange-type lead screw. The end of the screw rod 22 is configured into a flange-type structure, so that the screw rod is convenient to be positioned and assembled with the connecting beam 4.
Preferably, the human weight static test device further comprises a frame 8, and the electric cabinet 6 and the supporting plate 7 are respectively fixed on the frame 8. The frame 8 is used for positioning and assembling the electric cabinet 6 and the supporting plate 7, and plays a supporting role. The frame 8 can be made of aluminum section bars so as to ensure the performance strength of the human body weight static test device.
Preferably, a worktable 9 for bearing the sample to be tested is fixedly connected to the frame 8. Through setting up workstation 9, the easy to assemble bears the weight of the sample that awaits measuring.
Preferably, a plurality of universal wheel sets 10 are uniformly distributed on the bottom of the frame 8. Through setting up universal wheelset 10, conveniently remove human weight static test device.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. The utility model provides a human weight static test device, includes the briquetting (1) that is used for exerting pressure to the sample that awaits measuring, its characterized in that:
the human body weight static test device also comprises a lifting mechanism (2), a guide rod assembly (3), a connecting beam (4), a pressure sensor (5) and an electric cabinet (6);
the power output end of the lifting mechanism (2) and one end of the guide rod assembly (3) are respectively fixedly connected with one end of the pressure sensor (5) through the connecting beam (4), the other end of the pressure sensor (5) is fixedly connected with the pressing block group (1), and the signal end of the lifting mechanism (2) and the signal end of the pressure sensor (5) are respectively electrically connected with the signal end of the electric cabinet (6).
2. The human weight static test device of claim 1, wherein:
the lifting mechanism (2) comprises a worm gear driver (21) and a screw rod (22);
the power output end of the worm and gear driver (21) is sleeved on the screw rod (22), the worm and gear driver (21) can drive the screw rod (22) to perform spiral transmission along the axial direction of the screw rod (22), the signal end of the worm and gear driver (21) is electrically connected with the signal end of the electric cabinet (6), and the power output end of the screw rod (22) is fixedly connected with the connecting beam (4).
3. The human weight static test device of claim 1, wherein:
the pressing block group (1) comprises a pressing block piece (11) and a universal joint connecting piece (12);
one end of the universal joint connecting piece (12) is fixedly connected with the pressure sensor (5), and the other end of the universal joint connecting piece (12) is fixedly connected with the pressure block piece (11).
4. The human weight static test device of claim 1, wherein:
the guide rod assembly (3) comprises a guide rod group (31) and a linear bearing (32);
the linear bearing (32) is sleeved on the guide rod group (31), and one end of the guide rod group (31) is fixedly connected with the connecting beam (4).
5. The human weight static test device of claim 1, wherein:
the human body weight static test device also comprises a supporting plate (7);
the lifting mechanism (2) and the guide rod assembly (3) are respectively fixed on the supporting plate (7).
6. The human weight static test device of claim 2, wherein:
the balance weight of the screw rod (22) is a flange type screw rod.
7. The human weight static test device of claim 5, wherein:
the human body weight static test device also comprises a frame (8);
the electric cabinet (6) and the supporting plate (7) are respectively fixed on the frame (8).
8. The human weight static test device of claim 7, wherein:
and a workbench (9) for bearing the sample to be tested is fixedly connected to the rack (8).
9. The human weight static test device of claim 7, wherein:
a plurality of universal wheel sets (10) are uniformly distributed at the bottom of the rack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120249604.5U CN214277714U (en) | 2021-01-28 | 2021-01-28 | Human body weight static test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120249604.5U CN214277714U (en) | 2021-01-28 | 2021-01-28 | Human body weight static test device |
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| Publication Number | Publication Date |
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| CN214277714U true CN214277714U (en) | 2021-09-24 |
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| CN202120249604.5U Active CN214277714U (en) | 2021-01-28 | 2021-01-28 | Human body weight static test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884385A (en) * | 2021-10-28 | 2022-01-04 | 中车成都机车车辆有限公司 | Static load pressure test device |
| CN114852367A (en) * | 2022-05-24 | 2022-08-05 | 湖南省交通建设质量监督检测有限公司 | A test device for static load measurement of UAV landing gear |
| CN118961449A (en) * | 2024-10-15 | 2024-11-15 | 杭州泰格捷通检测技术有限公司 | Human body gravity static tester and test method |
-
2021
- 2021-01-28 CN CN202120249604.5U patent/CN214277714U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884385A (en) * | 2021-10-28 | 2022-01-04 | 中车成都机车车辆有限公司 | Static load pressure test device |
| CN114852367A (en) * | 2022-05-24 | 2022-08-05 | 湖南省交通建设质量监督检测有限公司 | A test device for static load measurement of UAV landing gear |
| CN118961449A (en) * | 2024-10-15 | 2024-11-15 | 杭州泰格捷通检测技术有限公司 | Human body gravity static tester and test method |
| CN118961449B (en) * | 2024-10-15 | 2025-02-11 | 杭州泰格捷通检测技术有限公司 | Human body gravity static tester and test method |
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