CN111220371B - Device for measuring maximum bearing torque of vertical orthodontic anchorage nail and using method - Google Patents
Device for measuring maximum bearing torque of vertical orthodontic anchorage nail and using method Download PDFInfo
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- CN111220371B CN111220371B CN202010154779.8A CN202010154779A CN111220371B CN 111220371 B CN111220371 B CN 111220371B CN 202010154779 A CN202010154779 A CN 202010154779A CN 111220371 B CN111220371 B CN 111220371B
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- 238000000034 method Methods 0.000 title abstract description 12
- 230000008878 coupling Effects 0.000 claims description 55
- 238000010168 coupling process Methods 0.000 claims description 55
- 238000005859 coupling reaction Methods 0.000 claims description 55
- 238000004088 simulation Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a device for measuring the maximum bearing torque of a vertical orthodontic anchorage nail and a using method thereof, and relates to the field of orthodontic measuring tools. The invention can quickly and accurately measure the maximum bearing torque of the orthodontic anchorage nail and has the advantages of compact structure, small error and the like.
Description
Technical Field
The invention relates to a device for measuring the maximum bearing torque of a vertical orthodontic anchorage nail and a using method thereof, belonging to the technical field of orthodontic measuring tools.
Background
Anchorage control is always the key point in the orthodontic treatment process, the orthodontic anchorage nail is used as a temporary anchorage device and can provide tooth correction force for generating orthodontic effect in the orthodontic treatment process, and stable anchorage is the basis for determining a treatment plan and obtaining a good treatment effect. The orthodontic anchorage nail obtains good initial stability by forming good mechanical locking between the screw thread and the bone tissue at the implantation position, and can immediately load orthodontic force.
Scholars at home and abroad make extensive studies and a large number of tests on the initial stability and the immediate load capacity of the orthodontic anchorage nail, including a torque test and a pull-out force test. Most of torque tests are carried out by means of a digital display torsion meter, the digital display torsion meter is held by hands in the test process, the stability is difficult to guarantee, orthodontic anchorage nail clamping is difficult, the type and the size of the end head of the orthodontic anchorage nail are various, and the clamping difficulty of the orthodontic anchorage nail with the triangular end head is high.
A plurality of existing horizontal torque measuring devices are suitable for being used under the conditions that a measured object is high in rigidity and large in bearing torque, orthodontic anchorage nails are small in size and light in weight, and if the horizontal torque measuring devices are used for measurement, the self weight of the measuring devices can generate radial deviation, so that great influence can be generated on measuring accuracy.
Based on the current situation, the technical problem to be solved by the invention is to provide a device capable of accurately measuring the maximum bearing torque of various orthodontic anchorage nails and a using method thereof.
Disclosure of Invention
In order to solve the problems, the invention provides a device for measuring the maximum bearing torque of a vertical orthodontic anchorage nail and a using method thereof.
The invention is realized by the following steps: the utility model provides a vertical just abnormal anchorage nail maximum torque measurement device and application method, it includes the base, the motor cabinet, the sensor support, a supporting plate, the lead screw, anchorage nail locating hole, clamping bolt, simulation jaw tissue supporting bench, holding screw, screw bearing, slip table adjustment handle, the slip table limiting plate, the slip table, T type presss from both sides tight gasket, simulation jaw tissue presss from both sides tight handle, the cylindricality guide rail, anchorage nail centre gripping post, the nut of screwing, centre gripping post fixed pin, can inlay formula crosshead shoe shaft coupling, torque sensor, first shaft coupling, step motor, the bolt, its characterized in that: the motor base is fixedly connected with the base, the stepping motor is arranged on the motor base, the stepping motor is connected with a first coupler, a torque sensor is fixed on a sensor support, the lower end of the torque sensor is connected with the first coupler, the upper end of the torque sensor is connected with an embeddable crosshead shoe coupler, a supporting nail clamping column is inserted into a square hole at the upper end of the embeddable crosshead shoe coupler, a clamping column fixing pin simultaneously penetrates through a pin hole on the supporting nail clamping column and a pin hole on the embeddable crosshead shoe coupler to fixedly connect the supporting nail clamping column with the embeddable crosshead shoe coupler, a screwing nut is matched with the thread of the supporting nail clamping column to clamp and screw in a supporting nail simulating jaw tissues, a support plate is fixed on the base through bolt connection, the sensor support is fixed on the support plate through bolt connection, and cylindrical guide rails are fixed on two sides of, the lower end of a screw rod is matched with a screw rod bearing and is fixed in the middle position of the upper end face of a supporting plate, the screw rod and two cylindrical guide rails simultaneously penetrate through a sliding table, a sliding table limiting plate is fixed on the two cylindrical guide rails through a set screw, the screw rod bearing is installed in the middle position of the sliding table limiting plate, the upper end of the screw rod is matched with the screw rod bearing, a sliding table adjusting handle is fixedly connected to the uppermost end of the screw rod, a simulated jaw tissue supporting table is fixed on the sliding table, the bottom surface of the simulated jaw tissue supporting table is parallel to a base, a supporting nail positioning hole for positioning a tested orthodontic supporting nail is formed in the bottom of the simulated jaw tissue supporting table, the supporting nail positioning hole is coaxial with a stepping motor rotating shaft, a first coupler, a torque sensor and a supporting nail positioning hole, baffle plates on two sides of the simulated jaw tissue supporting table are, the jaw bone tissue simulation clamping handle is fixedly connected to one end, far away from the mold, of the clamping bolt, the T-shaped clamping gasket does not rotate along with the clamping bolt when the jaw bone tissue simulation clamping handle is rotated, and the torque sensor is fixed on the sensor support and is fixedly connected to the supporting plate through the bolt;
preferably, the embedded Oldham coupling comprises input end half coupling, Oldham coupling, exposed end half coupling, and exposed end half coupling axial contains with anchorage nail centre gripping post complex quad slit, exposed end half coupling radially contains with centre gripping post fixed pin complex pinhole.
Preferably, the lower half part of the anchorage nail clamping column is a square column and contains a pin hole matched with the clamping column fixing pin, the upper half part of the anchorage nail clamping column is a herringbone column elastic bolt, and a screwing nut is matched with the herringbone column elastic bolt.
Preferably, the number of the cylindrical guide rails is two, the lower ends of the cylindrical guide rails are fixedly connected to the supporting plate, the upper ends of the cylindrical guide rails are fixed to the sliding table limiting plate through set screws, and the two cylindrical guide rails are arranged in parallel.
Preferably, two lead screw bearings are installed at two ends of the lead screw, the lower end of the lead screw is connected to the supporting plate, the upper end of the lead screw is connected to the sliding table limiting plate, and the lead screw and the two cylindrical guide rails are arranged in parallel.
The invention has the beneficial effects that:
1. the inverted V-shaped elastic bolt of the anchorage nail clamping column can clamp the triangular end socket type orthodontic anchorage nail, and the clamping part has elasticity, so that the clamping nut can be adjusted according to the shape of the triangular end socket type orthodontic anchorage nail end socket, and the anchorage nail clamping column can stably clamp the anchorage nail.
2. The embeddable cross slide block coupler consists of an input end half coupler with a groove on the end surface, a cross slide block with convex teeth on two surfaces and a clamping end half coupler with a groove on the end surface, wherein the convex teeth can slide in the grooves of the input end half coupler and the clamping end half coupler, so that the relative displacement between two shafts during installation and operation can be compensated, larger radial orthodontic and angular deviation can be compensated, and the measurement precision of the maximum bearing torque of the anchorage nail is improved; the clamping end half coupling comprises a square hole matched with the anchorage nail clamping column in the axial direction, the clamping end half coupling comprises a pin hole matched with the clamping column fixing pin in the radial direction, the square hole of the clamping end half coupling is matched with the anchorage nail clamping column, the circumferential sliding between the anchorage nail clamping column and the embeddable Oldham coupling can be effectively avoided, the clamping column fixing pin simultaneously penetrates through the pin hole in the anchorage nail clamping column and the pin hole in the embeddable Oldham coupling, and the axial displacement between the anchorage nail clamping column and the embeddable Oldham coupling is prevented; the embedded design can realize that the anchorage nail clamping column adaptive to the end shape of the anchorage nail can be replaced according to different end shapes of the orthodontic anchorage nail, and the embedded anchorage nail clamping column has a simple structure and is convenient to disassemble and assemble.
3. The T-shaped clamping gasket is inserted into the cylindrical hole, close to one end of the simulated jaw bone tissue, of the clamping bolt, the T-shaped clamping gasket does not rotate along with the clamping bolt when clamping is performed, only axial clamping is achieved, the simulated jaw bone tissue does not overturn, the coaxial center of the anchorage nail to be tested and the torque sensor is guaranteed, the anchorage nail only bears axial torque during measurement, the influence of radial deviation on measured data is reduced, and the measurement accuracy of the maximum bearing torque of the orthodontic anchorage nail is improved.
4. The bottom of the jaw bone tissue simulation supporting table is provided with an anchorage nail positioning hole, the anchorage nail positioning hole and the rotating shaft of the stepping motor, the first coupler and the torque sensor are coaxial, an anchorage nail penetrates through the anchorage nail positioning hole and then is clamped, the anchorage nail to be detected is conveniently and accurately positioned, large radial deviation is not generated during positioning, and the measurement precision of the maximum bearing torque of the orthodontic anchorage nail is improved.
5. The jaw bone tissue simulation height is manually adjusted, the clamping of the orthodontic anchorage nail to be tested is also manually operated, and the jaw bone fixture is convenient to operate, time-saving and energy-saving.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a general schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of the combination of the anchorage nail clamping column and the tightening nut of the present invention.
FIG. 3 is a schematic view of the clamping bolt and T-shaped clamping washer of the present invention in combination.
Fig. 4 is a schematic structural view of the embeddable oldham coupling of the present invention.
FIG. 5 is a schematic view showing the connection relationship between the stepping motor, the first coupling, the torque sensor, the embeddable Oldham coupling, and the anchorage pin holding column according to the present invention.
In the figure: 1. a base; 2. a motor base; 3. a sensor support; 4. a support plate; 5. a lead screw; 6. supporting nail positioning holes; 7. clamping the bolt; 8. simulating a jaw bone tissue support table; 9. tightening the screw; 10. a lead screw bearing; 11. a slipway adjustment handle; 12. a sliding table limiting plate; 13. a sliding table; 14. a T-shaped clamping pad; 15. simulating a jaw bone tissue clamping handle; 16. a cylindrical guide rail; 17. an anchorage nail clamping column; 17-1, a column-shaped elastic bolt shaped like Chinese character 'ren'; 17-2, square column; 17-3, pin holes; 18. screwing the nut; 19. a clamping post securing pin; 20. an embeddable Oldham coupling; 20-1, input end half coupling; 20-2, a crosshead shoe; 20-3, a clamping end half coupling; 21. a torque sensor; 22. a first coupling; 23. a stepping motor; 24. and (4) bolts.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the following technical solutions are adopted in the specific embodiment of the present invention: the utility model provides a vertical just abnormal anchorage nail maximum torque measurement device and application method, it includes base 1, motor cabinet 2, sensor support 3, backup pad 4, lead screw 5, anchorage nail locating hole 6, clamping bolt 7, simulation jaw tissue supporting bench 8, holding screw 9, lead screw bearing 10, slip table adjustment handle 11, slip table limiting plate 12, slip table 13, T type presss from both sides tight gasket 14, simulation jaw tissue presss from both sides tight handle 15, cylindricality guide rail 16, anchorage nail centre gripping post 17, the nut of screwing 18, centre gripping post fixed pin 19, can inlay formula crosshead shoe shaft coupling 20, torque sensor 21, first shaft coupling 22, step motor 23, bolt 24, its characterized in that: the motor base 2 is fixedly connected with the base 1, the stepping motor 23 is arranged on the motor base 1, the stepping motor 23 is connected with a first coupler 22, the torque sensor 21 is fixed on the sensor support 3, the lower end of the torque sensor 21 is connected with the first coupler 22, the upper end of the torque sensor 21 is connected with an embeddable Oldham coupler 20, an anchorage nail clamping column 17 is inserted into a square hole at the upper end of the embeddable Oldham coupler 20 and is fixed on the embeddable Oldham coupler 20 through a clamping column fixing pin 19, a screwing nut 18 is matched with a thread of the anchorage nail clamping column 17 for clamping and screwing in an anchorage nail simulating jaw tissue, the support plate 4 is connected and fixed on the base 1 through a bolt 24, the sensor support 3 is fixed on the support plate 4 through a bolt connection, a cylindrical guide rail 16 is fixed on the upper end surface of the support plate 4 for ensuring the repeated stable movement of the sliding table 13, lead screw 5 and cylindricality guide rail 16 pass slip table 13 simultaneously, slip table limiting plate 12 is fixed in cylindricality guide rail 16 through holding screw 9, slip table limiting plate 12 central point puts installation lead screw bearing 10 and is connected with lead screw 5 upper end, slip table adjustment handle 11 rigid coupling is in lead screw 5 the top, simulation jaw tissue brace table 8 is fixed in slip table 13, simulation jaw tissue brace table 8 bottom contains anchorage nail locating hole 6 and is used for being surveyed just abnormal anchorage nail location, anchorage nail locating hole 6 and step motor 23 pivot, first shaft coupling 22, torque sensor 21, 6 coaxial centers of anchorage nail locating hole, simulation jaw tissue brace table 8 both sides baffle cooperation clamping bolt 7, T type clamping washer 14 inserts clamping bolt 7 and is close to the cylindricality of simulation jaw tissue one end downthehole, simulation jaw tissue clamping handle 15 rigid coupling is kept away from mould one end in clamping bolt 7.
Further, the torque sensor 21 is fixed on the sensor support 3 and fixed on the support plate 4 through bolt connection, and the torque sensor 21 and the rotating shaft of the stepping motor 23, the first coupler 22 and the anchorage nail positioning hole 6 are coaxial.
Furthermore, the T-shaped clamping gasket 14 is inserted into a cylindrical hole at one end of the clamping bolt 7 close to the mold and is in clearance fit with the cylindrical hole, and the T-shaped clamping gasket 14 does not rotate along with the clamping bolt 7 when the jaw bone tissue clamping handle 15 is rotated.
Further, the embeddable Oldham coupling 20 is composed of an input end half coupling 20-1, an Oldham 20-2 and a clamping end half coupling 20-3, wherein the clamping end half coupling 20-3 axially contains a square hole matched with the anchorage nail clamping column 17, and the clamping end half coupling 20-3 radially contains a pin hole matched with the clamping column fixing pin 19.
Furthermore, the lower half part of the anchorage nail clamping column 17 is a square column 17-2 and contains a pin hole 17-3 matched with a clamping column fixing pin 19, the upper half part is a reversed V-shaped column elastic bolt 17-1, and a screwing nut 18 is matched with the reversed V-shaped column elastic bolt 17-1.
Furthermore, simulation jaw bone tissue brace table 8 rigid coupling is in slip table 13, and simulation jaw bone tissue brace table 8 bottom surface is on a parallel with base 1.
Further, the number of the cylindrical guide rails 16 is two, the lower ends of the cylindrical guide rails 16 are fixedly connected to the support plate 4, the upper ends of the cylindrical guide rails 16 are connected to the sliding table limiting plate 12 through screws, and the two cylindrical guide rails 16 are arranged in parallel.
Further, two lead screw bearings 10 are installed at two ends of the lead screw 5, the lower end of the lead screw 5 is connected to the supporting plate 4, the upper end of the lead screw 5 is connected to the sliding table limiting plate 12, and the lead screw 5 and the two cylindrical guide rails 16 are arranged in parallel.
The working principle of the specific implementation mode of the invention is as follows: screwing the anchorage nail to be tested into the simulated jaw tissue which is cuboid, putting the simulated jaw tissue into a simulated jaw tissue supporting table 8, enabling the end head part of the anchorage nail to be tested to pass through an anchorage nail positioning hole 6, clamping the simulated jaw tissue by a simulated jaw tissue clamping handle 15, inserting an anchorage nail clamping column 17 into a clamping end of an embeddable Oldham coupling 20, enabling a clamping column fixing pin 19 to simultaneously pass through a pin hole on the anchorage nail clamping column 17 and a pin hole on the embeddable Oldham coupling 20 to fixedly connect the anchorage nail clamping column 17 with the embeddable Oldham coupling 20, adjusting the height of a sliding table 13 to the position of the anchorage nail clamping column 17 by a rotating sliding table adjusting handle 11, enabling the anchorage nail clamping column 17 to be matched with the end head part of the anchorage nail to be tested, adjusting a nut 18 to clamp the anchorage nail to be tested, starting a stepping motor 23 to drive a first coupling 22 to, The torque sensor 21 and the embeddable Oldham coupling 20 rotate coaxially along the direction that the anchorage nail to be detected is screwed out of the simulated jaw bone tissue, the torque sensor 21 collects and transmits data to a computer, and the maximum peak value of the torque data is the maximum bearing torque of the anchorage nail.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a vertical just abnormal anchorage nail maximum torque measurement device that bears, it includes base (1), motor cabinet (2), sensor support (3), backup pad (4), lead screw (5), anchorage nail locating hole (6), clamping bolt (7), simulation jaw tissue supporting bench (8), holding screw (9), screw bearing (10), slip table adjustment handle (11), slip table limiting plate (12), slip table (13), T type presss from both sides tight gasket (14), simulation jaw tissue clamping handle (15), cylindricality guide rail (16), anchorage nail centre gripping post (17), nut (18) of screwing, centre gripping post fixed pin (19), can inlay formula crosshead shoe shaft coupling (20), torque sensor (21), first shaft coupling (22), step motor (23), bolt (24), its characterized in that: the motor base (2) is fixedly connected with the base (1), the stepping motor (23) is installed on the motor base (2), the stepping motor (23) is connected with a first coupler (22), a torque sensor (21) is fixed on the sensor support (3), the lower end of the torque sensor (21) is connected with the first coupler (22), the upper end of the torque sensor (21) is connected with an embeddable Oldham coupling (20), an anchorage nail clamping column (17) is inserted into a square hole at the upper end of the embeddable Oldham coupling (20) and is fixed on the embeddable Oldham coupling (20) through a clamping column fixing pin (19), a screwing nut (18) is matched with the screw thread of the anchorage nail clamping column (17) to clamp anchorage nails for simulating jaw tissues, the support plate (4) is fixedly connected on the base (1) through a bolt (24), the sensor support (3) is fixedly connected with the support plate (4) through a bolt, the cylindrical guide rails (16) are fixed on two sides of the upper end face of the supporting plate (4) to ensure that the sliding table (13) repeatedly and stably moves, the lower end of the screw rod (5) is matched with a screw rod bearing (10) and is fixed in the middle position of the upper end face of the supporting plate (4), the screw rod (5) and the two cylindrical guide rails (16) simultaneously penetrate through the sliding table (13), a sliding table limiting plate (12) is fixed on the two cylindrical guide rails (16) through a set screw (9), the screw rod bearing (10) is installed at the central position of the sliding table limiting plate (12), the upper end of the screw rod (5) is matched with the screw rod bearing (10), a sliding table adjusting handle (11) is fixedly connected to the uppermost end of the screw rod (5), a jaw tissue simulating supporting table (8) is fixed on the sliding table (13), the bottom surface of the jaw tissue simulating supporting table (8) is parallel to the base (1), and an, the anchorage nail positioning hole (6) is coaxial with a rotating shaft of the stepping motor (23), the first coupler (22) and the torque sensor (21), baffles on two sides of the jaw bone tissue simulation supporting platform (8) are matched with the clamping bolt (7), the T-shaped clamping gasket (14) is inserted into a cylindrical hole at one end, close to the jaw bone tissue simulation, of the clamping bolt (7), the T-shaped clamping gasket (14) is in clearance fit with the cylindrical hole, the jaw bone tissue simulation clamping handle (15) is fixedly connected to one end, far away from the jaw bone tissue simulation, of the clamping bolt (7), and the T-shaped clamping gasket (14) does not rotate along with the clamping bolt (7) when the jaw bone tissue simulation clamping handle (15) is rotated; the torque sensor (21) is fixed on the sensor support (3) and is connected and fixed on the support plate (4) through a bolt; the embeddable Oldham coupling (20) consists of an input end half coupling (20-1), an Oldham (20-2) and a clamping end half coupling (20-3), wherein the end surface of the input end half coupling (20-1) is provided with a groove, the end surface of the clamping end half coupling (20-3) is provided with a groove, two sides of the Oldham (20-2) are provided with convex teeth, the convex teeth can slide in the grooves of the input end half coupling (20-1) and the clamping end half coupling (20-3), the clamping end half coupling (20-3) axially comprises a square hole matched with an anchorage nail clamping column (17), and the clamping end half coupling (20-3) radially comprises a pin hole matched with a clamping column fixing pin (19); the lower half part of the anchorage nail clamping column (17) is a square column body (17-2) and comprises a pin hole (17-3) matched with a clamping column fixing pin (19), the upper half part is a herringbone column elastic bolt (17-1), and a screwing nut (18) is matched with the herringbone column elastic bolt (17-1); the number of the cylindrical guide rails (16) is two, the lower ends of the cylindrical guide rails (16) are fixedly connected to the supporting plate (4), the upper ends of the cylindrical guide rails (16) are fixed with the sliding table limiting plate (12) through set screws (9), and the two cylindrical guide rails (16) are arranged in parallel; two lead screw bearings (10) are installed at two ends of the lead screw (5), the lower end of the lead screw (5) is connected to the supporting plate (4), the upper end of the lead screw (5) is connected to the sliding table limiting plate (12), and the lead screw (5) and the two cylindrical guide rails (16) are arranged in parallel.
2. The device for measuring the maximum bearing torque of the vertical orthodontic anchorage nail according to claim 1, is characterized in that: screwing an anchorage nail to be tested into a simulated jaw tissue which is a cuboid, putting the simulated jaw tissue into a simulated jaw tissue supporting table (8), enabling the head part of the anchorage nail to be tested to penetrate through an anchorage nail positioning hole (6), clamping the simulated jaw tissue by rotating a simulated jaw tissue clamping handle (15), inserting an anchorage nail clamping column (17) into a clamping end of an embeddable cross slide coupling (20), enabling a clamping column fixing pin (19) to penetrate through a pin hole on the anchorage nail clamping column (17) and a pin hole on the embeddable cross slide coupling (20) simultaneously to enable the anchorage nail clamping column (17) and the embeddable cross slide coupling (20) to be fixedly connected, adjusting the height of a sliding table (13) to the position of the anchorage nail clamping column (17) by rotating a sliding table adjusting handle (11), enabling the anchorage nail clamping column (17) to be matched with the head part of the anchorage nail to be tested, and adjusting a screwing nut (18) to clamp the anchorage nail to be tested, the step motor (23) is started to drive the first coupler (22), the torque sensor (21) and the embeddable Oldham coupling (20) to rotate coaxially along the direction of screwing out the simulated jaw bone tissue of the anchorage nail to be detected, the torque sensor (21) collects and transmits data to a computer, and the maximum peak value of the torque data is the maximum bearing torque of the anchorage nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154779.8A CN111220371B (en) | 2020-03-08 | 2020-03-08 | Device for measuring maximum bearing torque of vertical orthodontic anchorage nail and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010154779.8A CN111220371B (en) | 2020-03-08 | 2020-03-08 | Device for measuring maximum bearing torque of vertical orthodontic anchorage nail and using method |
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| CN111220371A CN111220371A (en) | 2020-06-02 |
| CN111220371B true CN111220371B (en) | 2021-07-09 |
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| CN202010154779.8A Expired - Fee Related CN111220371B (en) | 2020-03-08 | 2020-03-08 | Device for measuring maximum bearing torque of vertical orthodontic anchorage nail and using method |
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