CN112146857B - Sharpness tester - Google Patents

Sharpness tester Download PDF

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Publication number
CN112146857B
CN112146857B CN202010875587.6A CN202010875587A CN112146857B CN 112146857 B CN112146857 B CN 112146857B CN 202010875587 A CN202010875587 A CN 202010875587A CN 112146857 B CN112146857 B CN 112146857B
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piston
hydraulic cylinder
workbench
baffle
coupler
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CN112146857A (en
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徐仲棉
徐益波
张立法
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Zhijiang Guangci Medical Device Co ltd
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Zhijiang Guangci Medical Device Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a sharpness tester, which comprises: the lifting device comprises a workbench and a lifting platform, wherein the workbench is provided with a vertically arranged bracket; the hydraulic bone drill comprises a support, and is characterized in that a first servo motor is arranged at the top of the support, an output shaft of the first servo motor is in transmission connection with a first coupler, a lead screw is arranged on the first coupler, a pair of vertically arranged slide rails is arranged on the support, a lifting table is arranged on the lead screw, a sliding chute matched with the slide rails is arranged at the back side of the lifting table, a second servo motor is fixed at the top of the front side of the lifting table, a second coupler is arranged at the bottom of the second servo motor, a torque sensor is arranged at the bottom of the second coupler, a transmission rod is arranged at the bottom of the torque sensor, a drill chuck for fixing a bone drill is arranged at the bottom of the transmission rod, and a test. The invention is automatically operated, and ensures the effective use and stability of each bone drill in clinic.

Description

Sharpness tester
Technical Field
The invention relates to the field of tool detection equipment, in particular to a sharpness tester.
Background
The bone drill is used for long-history surgical operations in bone drilling operations, is frequently applied in fracture operations, needs medical staff to drill holes on the bone surface of a patient in the operations, and the drilling force is unstable when the drilling is operated and used by bare hands, so that the bone drill is required to have extremely high sharpness, and the bone drill is convenient, smooth, quick and effective in clinical operation. Therefore, the sharpness of the bone drill needs to be detected, the sharpness of the existing bone drill is generally detected manually through shape detection, hardness test and the like so as to determine the sharpness, and the detection result of the detection mode does not meet the actual clinical punching operation requirement because the surface of a long bone is very hard.
Disclosure of Invention
The invention provides a sharpness tester aiming at the problems, and solves the defects that the sharpness is determined by shape detection, hardness test and the like due to the fact that the existing scalpel needs manual detection, and the detected result does not meet the actual clinical punching operation requirement.
The technical scheme adopted by the invention is as follows:
a sharpness tester, comprising: the lifting device comprises a workbench and a lifting platform, wherein the workbench is provided with a vertically arranged bracket; the hydraulic drill is characterized in that a first servo motor is arranged at the top of the support, an output shaft of the first servo motor is in transmission connection with a first coupler, a lead screw is arranged on the first coupler, a pair of vertically arranged slide rails is arranged on the support, the lifting table is arranged on the lead screw, a sliding chute matched with the slide rails is arranged on the back side of the lifting table, a second servo motor is fixed at the top of the front side of the lifting table, a second coupler is arranged at the bottom of the second servo motor, a torque sensor is arranged at the bottom of the second coupler, a transmission rod is arranged at the bottom of the torque sensor, and a drill chuck is arranged at the bottom of the transmission rod; the torsion sensor is used for transmitting torsion data to the control unit, and the workbench is used for placing the test block. According to the invention, by starting the power supply, the fixed bone drill can automatically rotate and drill into the test block, and then the fixed bone drill is transmitted to the control panel by the torque sensor, and the control panel can display a torque numerical value; the torsion results are tested by a plurality of bone drills, and the torsion magnitude can be screened out through comparison, and whether the torsion meets the evaluation or not can be determined. Thereby ensuring the effective use and stability of each bone drill in clinic; the adoption of the appearance detection, the hardness test and the actual clinical punching operation requirement of the result detected by the detection mode are avoided.
Optionally, an inwards-concave chute is mounted on one side of the support, and an arc-shaped first baffle is arranged on the outer side of the chute.
Optionally, a loading box is arranged on the other side of the support, a plurality of test blocks are installed in the loading box, a movable push plate is installed on the inner side of the loading box, an extrusion spring is installed between the movable push plate and the bottom wall of the loading box, and the extrusion spring is used for abutting against the test blocks and pushing the test blocks to exit the loading box.
Optionally, the workstation is just being equipped with the second baffle to the material loading casket, the second baffle extends to the positive opposite face of support, the end of second baffle articulates there is the rotor plate, the torsional spring is installed with the connecting portion of rotor plate to the second baffle, torsional spring one end fixed connection second baffle, other end connection rotor plate to provide and make the rotor plate reply to the resilience force of perpendicular to second baffle.
Optionally, a pressure lever and a first hydraulic cylinder are mounted at the bottom of the lifting platform, a first piston is mounted at the bottom of the pressure lever, the first piston is mounted in the first hydraulic cylinder, a limiting ring is mounted on the inner wall of the first piston cylinder, and a first return spring is mounted between the limiting ring and the first piston; a hydraulic main pipe is arranged on one side of the first hydraulic cylinder and extends into the workbench, the hydraulic main pipe is externally connected with a first branch pipe and a second branch pipe, a second hydraulic cylinder is arranged at the tail end of the first branch pipe, a third hydraulic cylinder is arranged at the tail end of the second branch pipe, a third piston is arranged in the third hydraulic cylinder, a fourth piston is further arranged on the outer side of the third piston, a high-pressure air cavity for storing gas is arranged between the third piston and the fourth piston, an annular magnetic sheet is arranged on the inner side wall of the high-pressure air cavity, and an iron sheet capable of being adsorbed by the annular magnetic sheet is arranged on the inner side of the fourth piston; the outer side of the fourth piston is also provided with a push plate, the fourth piston and the push plate are provided with a second piston rod, and the outer side wall of the push plate is provided with an igniter internally provided with a battery. The high-pressure air cavity of the invention is filled with high-pressure gas. And hydraulic oil is filled in the hydraulic main pipe, the first branch pipe and the second branch pipe.
Optionally, an air outlet cavity is arranged in the test block, an opening matched with the igniter is formed in one end of the air outlet cavity, a gas generator is arranged on the inner side of the air outlet cavity close to one side of the opening, and a slot convenient for the igniter to insert is formed in the gas generator; both sides of the gas outlet cavity are provided with gas spraying grooves matched with the gas outlet cavity, and the tail ends of the gas spraying grooves penetrate through the end faces of the test blocks. When the sharpness needs to be tested, a bone drill is needed to test multiple groups of parallel data, so that the test block needs to be continuously replaced, and optionally, the gas generator contains sodium azide.
Optionally, a first piston rod is installed in the second hydraulic cylinder, a second piston is installed at the tail end of the first piston rod, a second return spring is installed in the hydraulic cylinder, one end of the second return spring abuts against the inner side wall of the hydraulic cylinder, and the other end of the second return spring abuts against the second piston; the tail end of the first piston rod is provided with a first magnetic block; the bottom of the test block is provided with a second magnetic block, the magnetic pole of the bottom surface of the first magnetic block is opposite to the magnetic pole of the bottom surface of the second magnetic block, and when the test block is fixed under the drill chuck, the first magnetic block is over against the second magnetic block.
Optionally, an inclined groove with an included angle of 25 degrees downwards is arranged on the workbench opposite to the support, and the inclined groove is communicated with the inclined groove. The lifting platform is driven to descend by the aid of the first servo motor, the pressure rod is driven to move downwards to extrude the first hydraulic cylinder, hydraulic pressure in the first hydraulic cylinder is increased and is divided into the first branch pipe and the second branch pipe by the hydraulic main pipe, and the gas compression performance in the high-pressure air cavity is better than that of liquid, so that hydraulic oil in the first branch pipe drives the second piston to move at first to drive the first piston rod to move, the first piston rod moves to drive the first magnetic block to move, the test block adsorbed on the first magnetic block is driven to move, the rotating plate is broken through, the test block moves to the inclined groove, and then the test block slides off through the inclined groove due to gravity; then, the hydraulic oil of the second branch pipe drives the third piston to move to extrude the high-pressure gas in the high-pressure gas cavity, so as to push the fourth piston plate to move outwards, so as to drive the second piston rod and the push plate to move, so that the igniter is inserted into the slot of the gas generator, after the gas generator is ignited, an explosion reaction occurs, nitrogen is generated and filled into the gas outlet cavity, the nitrogen enters the gas injection slot to be sprayed out on one hand, so that the test block slides to one side of the drill chuck until the test block hits the rotating plate to stop, and on the other hand, the nitrogen drives the igniter and the push plate to move reversely, so that the iron sheet of the fourth piston hits the annular magnet sheet to temporarily adsorb the fourth piston on the iron sheet, so that the test block is smoothly pushed out, when the lifting platform rises, the first piston, the second piston and the third piston are returned to the initial positions under the action of the first, in the actual operation process, the ignition agent is replaced after the use of the ignition agent in the igniter is finished; the invention may also be provided with a control unit which controls the ignition of the igniter. Thus, the test block is automatically conveyed, and the test block conveying device is simple in structure and remarkable in effect.
(III) advantageous effects
1. According to the invention, by starting the power supply, the fixed bone drill can automatically rotate and drill into the test block, and then the fixed bone drill is transmitted to the control panel by the torque sensor, and the control panel can display a torque numerical value; the drill cuttings are discharged through a scrap discharge port; the torsion test results of a plurality of bone drills are compared to screen out the torsion and determine whether the torsion meets the evaluation, so that the effective use and stability of each bone drill in clinic are ensured, and the practical clinical punching operation requirements of the results detected by adopting the shape detection, the hardness test and the detection mode are avoided.
2. The automatic conveying device for the test blocks has the advantages of automatic conveying of the test blocks, simple structure and remarkable effect.
Description of the drawings:
FIG. 1 is a perspective view of a sharpness tester according to example 1 of the present invention;
FIG. 2 is a side view of a sharpness tester according to example 2 of the present invention;
FIG. 3 is a cross-sectional view of a first hydraulic cylinder of the sharpness tester of embodiment 2 of the present invention;
FIG. 4 is a top plan view of the table of the sharpness tester of example 2 of the present invention;
fig. 5 is a partially enlarged view of a portion a of the sharpness tester of example 2 of the present invention shown in fig. 4.
FIG. 6 is an internal view of the lower part of a test block of a table of a sharpness tester according to example 2 of the present invention;
fig. 7 is a partially enlarged view of part B of fig. 6 of the sharpness tester of example 2 of the present invention.
Fig. 8 is a partially enlarged view of the portion C of fig. 6 of the sharpness tester of example 2 of the present invention.
The figures are numbered:
1. a working table, 2, a lifting table, 3, a bracket, 4, a first servo motor, 5, a first coupler, 6, a lead screw, 7, a slide rail, 8, a chute, 9, a second servo motor, 10, a second coupler, 11, a torsion sensor, 12, a transmission rod, 13, a drill chuck, 14, a chute, 15, a first baffle, 16, a charging box, 17, a test block, 18, a movable push plate, 19, an extrusion spring, 20, a second baffle, 21, a rotating plate, 22, a torsion spring, 23, a compression rod, 24, a first hydraulic cylinder, 25, a first piston, 26, a limit ring, 27, a first return spring, 28, a hydraulic main pipe, 29, a first branch pipe, 30, a second branch pipe, 31, a second hydraulic cylinder, 32, a third hydraulic cylinder, 34, a third piston, 35, a fourth piston, 36, a high-pressure air cavity, 37, an annular magnetic sheet, 38, an iron sheet, 39, a push plate, 40 and a second piston rod, 41. igniter 42, gas outlet cavity 43, opening 44, gas generator 45, slot 46, gas spraying groove 47, first piston rod 48, second piston 49, second return spring 50, first magnetic block 51, second magnetic block 52 and inclined groove.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the technical solution adopted by the present invention is as follows:
a sharpness tester, comprising: the device comprises a workbench 1 and a lifting platform 2, wherein a bracket 3 which is vertically arranged is arranged on the workbench; the top of the bracket is provided with a first servo motor 4, an output shaft of the first servo motor is in transmission connection with a first coupler 5, the first coupler is provided with a lead screw 6, the bracket is provided with a pair of vertically arranged slide rails 7, the lifting table is arranged on the lead screw, the back side of the lifting table is provided with a chute 8 matched with the slide rails, the top of the front side of the lifting table is fixed with a second servo motor 9, the bottom of the second servo motor is provided with a second coupler 10, the bottom of the second coupler is provided with a torsion sensor 11, the bottom of the torsion sensor is provided with a transmission rod 12, and the bottom of the transmission rod is provided with a drill chuck 13 for fixing a bone drill; the torque sensor is used for transmitting torque data to the control unit, and the workbench is used for placing the test block 17.
When the test fixture is implemented, the bone drill is fixed on the drill chuck according to the test standard, and the test block is fixed on the workbench and is firmly fixed; setting corresponding parameters according to different diameters of the bone drill in a control unit; the power supply is started, the fixed bone drill can automatically rotate to drill into the test block and then is transmitted to the control panel by the torque sensor, and the control panel can display a torque numerical value; the drill cuttings are discharged through a scrap discharge port; the torsion results are tested by a plurality of bone drills, and the torsion magnitude can be screened out through comparison, and whether the torsion meets the evaluation or not can be determined. Thereby ensuring the effective use and stability of each bone drill in clinic.
Example 2
As shown in fig. 2, 3, 4, 5, 6, 7 and 8, a sharpness tester, the sharpness tester comprising: the lifting device comprises a workbench and a lifting platform, wherein the workbench is provided with a vertically arranged bracket; the hydraulic drill is characterized in that a first servo motor is arranged at the top of the support, an output shaft of the first servo motor is in transmission connection with a first coupler, a lead screw is arranged on the first coupler, a pair of vertically arranged slide rails is arranged on the support, the lifting table is arranged on the lead screw, a sliding chute matched with the slide rails is arranged on the back side of the lifting table, a second servo motor is fixed at the top of the front side of the lifting table, a second coupler is arranged at the bottom of the second servo motor, a torque sensor is arranged at the bottom of the second coupler, a transmission rod is arranged at the bottom of the torque sensor, and a drill chuck is arranged at the bottom of the transmission rod; the torsion sensor is used for transmitting torsion data to the control unit, and the workbench is used for placing the test block.
An inwards concave chute 14 is arranged at one side of the bracket, and an arc-shaped first baffle 15 is arranged at the outer side of the chute. The other side of the support is provided with a loading box 16, a plurality of test blocks are arranged in the loading box, a movable push plate 18 is arranged on the inner side of the loading box, an extrusion spring 19 is arranged between the movable push plate and the bottom wall of the loading box, and the extrusion spring is used for abutting against the test blocks and pushing the test blocks to exit the loading box.
The workstation just is equipped with second baffle 20 to the material loading casket, the second baffle extends to the positive opposite face of support, the end of second baffle articulates there is rotor plate 21, torsional spring 22 is installed with the connecting portion of rotor plate to the second baffle, torsional spring one end fixed connection second baffle, other end connection rotor plate to provide and make the rotor plate reply to the resilience force of perpendicular to second baffle.
A pressure lever 23 and a first hydraulic cylinder 24 are arranged at the bottom of the lifting platform, a first piston 25 is arranged at the bottom of the pressure lever, the first piston is arranged in the first hydraulic cylinder, a limiting ring 26 is arranged on the inner wall of the first piston cylinder, and a first return spring 27 is arranged between the limiting ring and the first piston; a hydraulic main pipe 28 is arranged on one side of the first hydraulic cylinder, the hydraulic main pipe extends into the workbench, the hydraulic main pipe is externally connected with a first branch pipe 29 and a second branch pipe 30, a second hydraulic cylinder 31 is arranged at the tail end of the first branch pipe, a third hydraulic cylinder 32 is arranged at the tail end of the second branch pipe, a third piston 34 is arranged in the third hydraulic cylinder, a fourth piston 35 is further arranged on the outer side of the third piston, a high-pressure air cavity 36 for storing gas is arranged between the third piston and the fourth piston, an annular magnetic sheet 37 is arranged on the inner side wall of the high-pressure air cavity, and an iron sheet 38 capable of being adsorbed with the annular magnetic sheet is arranged on the inner side of the fourth piston; the outer side of the fourth piston is also provided with a push plate 39, the fourth piston and the push plate are provided with a second piston rod 40, and the outer side wall of the push plate is provided with an igniter 41 internally provided with a battery. An air outlet cavity 42 is arranged in the test block, an opening 43 matched with the igniter is formed in one end of the air outlet cavity, a gas generator 44 is arranged on the inner side of the air outlet cavity close to one side of the opening, and a slot 45 convenient for the igniter to insert is formed in the gas generator; both sides of the gas outlet cavity are provided with gas spraying grooves 46 matched with the gas outlet cavity, and the tail ends of the gas spraying grooves penetrate through the end faces of the test blocks.
A first piston rod 47 is arranged in the second hydraulic cylinder, a second piston 48 is arranged at the tail end of the first piston rod, a second return spring 49 is arranged in the hydraulic cylinder, one end of the second return spring is propped against the inner side wall of the hydraulic cylinder, and the other end of the second return spring is propped against the second piston; the tail end of the first piston rod is provided with a first magnetic block 50; the bottom of the test block is provided with a second magnetic block 51, the magnetic pole of the bottom surface of the first magnetic block is opposite to the magnetic pole of the bottom surface of the second magnetic block, and when the test block is fixed under a drill chuck, the first magnetic block is over against the second magnetic block. The worktable opposite to the bracket is provided with an inclined groove 52 with an included angle of 25 degrees downwards, and the inclined groove is communicated with the inclined groove. The control unit in this embodiment may be a computer system or a programmable logic controller.
When the test fixture is implemented, the bone drill is fixed on the drill chuck according to the test standard, and the test block is fixed on the workbench and is firmly fixed; setting corresponding parameters according to different diameters of the bone drill in a control unit; the power supply is started, the fixed bone drill can automatically rotate to drill into the test block and then is transmitted to the control panel by the torque sensor, and the control panel can display a torque numerical value; the drill cuttings are discharged through a scrap discharge port; the torsion results are tested by a plurality of bone drills, and the torsion magnitude can be screened out through comparison, and whether the torsion meets the evaluation or not can be determined. Thereby ensuring the effective use and stability of each bone drill in clinic. Meanwhile, when the first servo motor drives the lifting platform to descend, the pressure rod is driven to move downwards to extrude the first hydraulic cylinder, hydraulic pressure in the first hydraulic cylinder is increased and is divided into the first branch pipe and the second branch pipe through the hydraulic main pipe, and as the gas compression performance in the high-pressure air cavity is better than that of liquid, hydraulic oil in the first branch pipe drives the second piston to move at first to drive the first piston rod to move, the first piston rod of the first hydraulic cylinder drives the first magnetic block to move to drive the test block adsorbed on the first magnetic block to move, the rotating plate is broken through, the test block moves to the inclined groove, and then the test block slides off through the inclined groove due to gravity; then, the hydraulic oil of the second branch pipe drives the third piston to move to extrude the high-pressure gas in the high-pressure gas cavity, so as to push the fourth piston plate to move outwards, so as to drive the second piston rod and the push plate to move, so that the igniter is inserted into the slot of the gas generator, after the gas generator is ignited, an explosion reaction occurs, nitrogen is generated and filled into the gas outlet cavity, the nitrogen enters the gas injection slot to be sprayed out on one hand, so that the test block slides to one side of the drill chuck until the test block hits the rotating plate to stop, and on the other hand, the nitrogen drives the igniter and the push plate to move reversely, so that the iron sheet of the fourth piston hits the annular magnet sheet to temporarily adsorb the fourth piston on the iron sheet, so that the test block is smoothly pushed out, when the lifting platform rises, the first piston, the second piston and the third piston are returned to the initial positions under the action of the first, in the actual operation process, the ignition agent is replaced after the use of the ignition agent in the igniter is finished; the invention may also be provided with a control unit which controls the ignition of the igniter. Thus, the test block is automatically conveyed, and the test block conveying device is simple in structure and remarkable in effect.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims (1)

1. A sharpness tester, comprising: the lifting device comprises a workbench and a lifting platform, wherein the workbench is provided with a vertically arranged bracket; the hydraulic bone drill is characterized in that a first servo motor is arranged at the top of the support, an output shaft of the first servo motor is in transmission connection with a first coupler, a lead screw is arranged on the first coupler, a pair of vertically arranged slide rails is arranged on the support, the lifting table is arranged on the lead screw, a sliding chute matched with the slide rails is arranged on the back side of the lifting table, a second servo motor is fixed at the top of the front side of the lifting table, a second coupler is arranged at the bottom of the second servo motor, a torque sensor is arranged at the bottom of the second coupler, a transmission rod is arranged at the bottom of the torque sensor, and a drill chuck is arranged at the bottom of the transmission rod and used for fixing a bone drill; the torsion sensor is used for transmitting torsion data to the control unit, and the workbench is used for placing a test block; an inwards-concave chute is arranged on one side of the support, an arc-shaped first baffle is arranged on the outer side of the chute, a loading box is arranged on the other side of the support, a plurality of test blocks are arranged in the loading box, a movable push plate is arranged on the inner side of the loading box, an extrusion spring is arranged between the movable push plate and the bottom wall of the loading box, and the extrusion spring is used for abutting against the test blocks and pushing the test blocks to exit the loading box;
the lifting platform is characterized in that a second baffle is arranged on the workbench right opposite to the material loading box, the second baffle extends to the right opposite side of the support, a rotating plate is hinged to the tail end of the second baffle, a torsion spring is arranged at the connecting part of the second baffle and the rotating plate, one end of the torsion spring is fixedly connected with the second baffle, the other end of the torsion spring is connected with the rotating plate so as to provide resilience force for enabling the rotating plate to return to be perpendicular to the second baffle, a pressure rod and a first hydraulic cylinder are arranged at the bottom of the lifting platform, a first piston is arranged at the bottom of the pressure rod and is arranged in the first hydraulic cylinder, a limiting ring is arranged on the inner wall of the first piston cylinder, and a first return spring is arranged between the limiting ring and the; a hydraulic main pipe is arranged on one side of the first hydraulic cylinder and extends into the workbench, the hydraulic main pipe is externally connected with a first branch pipe and a second branch pipe, a second hydraulic cylinder is arranged at the tail end of the first branch pipe, a third hydraulic cylinder is arranged at the tail end of the second branch pipe, a third piston is arranged in the third hydraulic cylinder, a fourth piston is further arranged on the outer side of the third piston, a high-pressure air cavity for storing gas is arranged between the third piston and the fourth piston, an annular magnetic sheet is arranged on the inner side wall of the high-pressure air cavity, and an iron sheet capable of being adsorbed by the annular magnetic sheet is arranged on the inner side of the fourth piston; the outer side of the fourth piston is also provided with a push plate, the fourth piston and the push plate are provided with a second piston rod, the outer side wall of the push plate is provided with an igniter with a battery, the test block is internally provided with an air outlet cavity, one end of the air outlet cavity is provided with an opening matched with the igniter, the inner side of the air outlet cavity close to one side of the opening is provided with a gas generator, and the gas generator is internally provided with a slot for the igniter to be inserted conveniently; both sides of the gas outlet cavity are provided with gas injection grooves matched with the gas outlet cavity, the tail ends of the gas injection grooves penetrate through the end face of the test block, the gas generator contains sodium azide, a first piston rod is arranged in the second hydraulic cylinder, a second piston is arranged at the tail end of the first piston rod, a second return spring is arranged in the hydraulic cylinder, one end of the second return spring abuts against the inner side wall of the hydraulic cylinder, and the other end of the second return spring abuts against the second piston; the tail end of the first piston rod is provided with a first magnetic block; the testing device is characterized in that a second magnetic block is arranged at the bottom of the testing block, the magnetic pole of the bottom surface of the first magnetic block is opposite to the magnetic pole of the bottom surface of the second magnetic block, when the testing block is fixed under the drill chuck, the first magnetic block is opposite to the second magnetic block, an inclined groove with an included angle of 25 degrees downwards is arranged on a workbench opposite to the support, and the inclined groove is communicated with the inclined groove.
CN202010875587.6A 2020-08-27 2020-08-27 Sharpness tester Active CN112146857B (en)

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CN110987705A (en) * 2019-12-25 2020-04-10 淳安县环程医疗器械有限公司 Scalpel blade sharpness detection device
CN211085997U (en) * 2019-11-11 2020-07-24 东莞市科雷明斯智能科技有限公司 Blade sharpness test machine
CN211122391U (en) * 2019-10-21 2020-07-28 深圳天骄医疗科技有限公司 Comprehensive management detection device of medical equipment
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2804847Y (en) * 2005-06-16 2006-08-09 黄清洁 Instrument for testing sharpness of table-wares, kitchen-tools or knife
CN202305355U (en) * 2011-10-31 2012-07-04 中国石油化工股份有限公司 Rock abrasiveness testing device
CN103091186A (en) * 2011-10-31 2013-05-08 中国石油化工股份有限公司 Rock abrasiveness experiment device
CN203234784U (en) * 2013-05-24 2013-10-16 衢州亿龙信息技术有限公司 Bone drill with torque measurement and warning functions
CN106137206A (en) * 2015-03-27 2016-11-23 天津康立尔生物科技有限公司 A kind of bone drilling depth measurement device
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CN109596449A (en) * 2018-11-26 2019-04-09 钟卿 A kind of surgical blade sharpness qualification detection device
CN110025386A (en) * 2019-05-17 2019-07-19 山东迈瑞医疗器械有限公司 A kind of detection device and method of drill speed
CN211131257U (en) * 2019-05-31 2020-07-31 浙江正远医疗科技有限公司 Medical bone drill with angle display and torque monitoring functions
CN211122391U (en) * 2019-10-21 2020-07-28 深圳天骄医疗科技有限公司 Comprehensive management detection device of medical equipment
CN110686995A (en) * 2019-11-11 2020-01-14 东莞市科雷明斯智能科技有限公司 Blade sharpness testing method and machine
CN211085997U (en) * 2019-11-11 2020-07-24 东莞市科雷明斯智能科技有限公司 Blade sharpness test machine
CN110987705A (en) * 2019-12-25 2020-04-10 淳安县环程医疗器械有限公司 Scalpel blade sharpness detection device

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