CN114252350A - Stone-taking basket transfer performance detection device - Google Patents
Stone-taking basket transfer performance detection device Download PDFInfo
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- CN114252350A CN114252350A CN202111399462.1A CN202111399462A CN114252350A CN 114252350 A CN114252350 A CN 114252350A CN 202111399462 A CN202111399462 A CN 202111399462A CN 114252350 A CN114252350 A CN 114252350A
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- 238000012360 testing method Methods 0.000 claims abstract description 119
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 239000004575 stone Substances 0.000 claims abstract description 27
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- 238000002674 endoscopic surgery Methods 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 1
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- G—PHYSICS
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- 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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
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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
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Abstract
The application discloses a device for detecting the transmission performance of a stone-taking basket, which comprises a base and a sheath pipe horizontally arranged on the base; a tail end clamp is rotatably arranged at one end of the sheath tube on the base, and the rotating axis of the tail end clamp is coaxial with the sheath tube; a torsion force test fixture and a torsion angle test fixture are arranged at one end, away from the tail end fixture, of the sheath tube on the base, a force sensor is arranged on the torsion force test fixture, an angle sensor is arranged on the torsion angle test fixture, the torsion force test fixture and the torsion angle test fixture both slide in a reciprocating manner along the horizontal radial direction of the sheath tube, and a sliding assembly for the torsion force test fixture and the torsion angle test fixture to slide is arranged on the base; the base is provided with a controller, and the controller is electrically connected with the motor, the force sensor and the angle sensor. This application has the effect that promotes stone basket transmission capability test convenience and medical stone basket quality of getting.
Description
Technical Field
The application relates to the technical field of stone-taking basket performance testing, in particular to a stone-taking basket transfer performance detection device.
Background
Calculus is a solid mass formed in the luminal organs of the human or animal body. Calculus can cause obstruction of the lumen, which affects the discharge of liquid in the affected organ, so that the affected organ can generate symptoms such as pain, hemorrhage or secondary infection, and the health of a human body or an animal body is affected; with the rapid development of modern medical technology, endoscopic surgery combined with stone extraction basket stone extraction becomes the primary treatment for such diseases.
In the related industry, referring to fig. 1, a stone-taking net basket includes a transmission line 100 formed by twisting four basket wires, and a net 200 integrally formed at one end of the transmission line 100, wherein the net 200 is formed by combining the four basket wires. When carrying out endoscopic surgery, a doctor firstly places one end of the sheath tube provided with the endoscope into a diseased part in a patient body, and utilizes the endoscope to search the position of the gravels; then, the doctor holds one end of the transmission line 100, which is far away from the pocket net 200, and extends the pocket net 200 end from the sheath to the affected part; then, the transmission line 100 is rotated around the axis of the sheath tube, so that the transmission line 100 drives the pocket net 200 to synchronously rotate, and the pocket net 200 is used for covering the calculus; then, stones in the net 200 are separated from large stones through stone breaking treatment; subsequently, the doctor continues to rotate the drive line 100, causing the pocket 200 to separate the calculus from the fluid in the lumen; then, the doctor pulls the transmission line 100, so that the pocket net 200 drives the calculus to be taken out from the patient along the inner wall of the sheath.
By adopting the technical scheme, in order to ensure the smooth operation of the stone taking, the force transmissibility and the angle transmissibility between the stone taking basket transmission line and the stone taking net become important bases for evaluating whether the stone taking basket is qualified or not; however, the inventor thinks that, in the industry at present, research and detection equipment for the related transmission performance of the calculus removing basket is lacked, so that the quality of the medical calculus removing basket cannot be guaranteed, the normal operation of calculus diagnosis and treatment is influenced, and a part to be improved exists.
Disclosure of Invention
In order to facilitate testing, guaranteeing the quality of getting the stone basket that the operation in-process used is diagnose to the corresponding transmission performance of getting the stone basket, this application provides a get stone basket transmission performance detection device.
The application provides a pair of get stone basket transmission performance detection device adopts following technical scheme:
a device for detecting the transmission performance of a stone-taking basket comprises a base and a sheath pipe horizontally arranged on the base, wherein the axial direction of the sheath pipe is parallel to the length direction of the base; a tail end clamp is rotatably arranged at one end of the sheath tube on the base, the rotating axis of the tail end clamp is coaxial with the sheath tube, and a motor for driving the tail end clamp to rotate is arranged on the base; a torsion force testing clamp and a torsion angle testing clamp are arranged at one end, away from the tail end clamp, of the sheath tube on the base, a force sensor is arranged on the torsion force testing clamp, an angle sensor is arranged on the torsion angle testing clamp, the torsion force testing clamp and the torsion angle testing clamp both slide in a reciprocating manner along the horizontal radial direction of the sheath tube, and a sliding assembly for the torsion force testing clamp and the torsion angle testing clamp to slide is arranged on the base; the base is provided with a controller, and the controller is electrically connected with the motor, the force sensor and the angle sensor.
By adopting the technical scheme, in actual operation, a worker firstly penetrates the stone taking basket through the sheath pipe along the axial direction of the sheath pipe, keeps the pocket net extending out of the sheath pipe and close to the torsion force testing clamp, and meanwhile keeps one end, away from the pocket net, of the transmission line extending out of the sheath pipe and close to the tail end clamp; then, the worker pushes the torsion force testing clamp, so that a chuck of the torsion force testing clamp and the sheath pipe are coaxially arranged, and the pocket net is clamped by the torsion force testing clamp; then, starting the controller, and inputting the rotating speed and the number of rotating turns (rotating angle) on a panel of the controller by a worker; after the corresponding parameters are set, clicking a torque force test button, controlling the motor to start by the controller, driving the tail end clamp to rotate clockwise for a certain number of turns around the axis of the sheath pipe at a preset speed by the motor, and driving one end of the transmission line deviating from the pocket net to rotate for a corresponding number of turns by the tail end clamp simultaneously, so that the stone-taking basket is twisted for a certain angle around the axis of the stone-taking basket, and the pocket net end is subjected to a certain twisting force; the force sensor senses the torsional force F1 applied to the tuck net in real time and transmits corresponding signals to the controller; under the same working condition, measuring the torsional force Fi borne by the bag and net ends of different stone-taking net baskets, and comparing; the larger the measured Fi value is, the better the torsional force transmission performance of the corresponding stone-taking basket is, so that the detection of the torsional force transmission performance of the stone-taking basket is completed.
Then, the worker takes the tucking net off the torsion force test fixture and pushes the torsion force test fixture to be far away from the end part of the sheath pipe; then, pushing the torsion angle test fixture to enable the chuck of the torsion angle test fixture and the sheath pipe to be coaxially arranged, and clamping the pocket net on the chuck of the torsion angle test fixture; then, the operator starts the controller and inputs the rotation speed and the number of rotation turns (rotation angle) on the panel of the controller; then, the controller controls the motor to start, the motor drives the tail end clamp to rotate clockwise for a certain number of turns around the axis of the sheath pipe at a preset speed, and the tail end clamp simultaneously drives one end of the transmission line, which is far away from the pocket net, to rotate for a corresponding number of turns; meanwhile, the transmission line drives the pocket net to rotate, and the pocket net simultaneously drives the chuck of the torsion angle test fixture to synchronously rotate; the angle sensor senses the rotation angle ∂ 2 of the torsion angle test fixture and transmits a corresponding signal to the controller; after the test is finished, working personnel calculate the angle ∂ 1 of the rotation of the driving wire driven by the tail end clamp according to ∂ =360 × rotation turns, and calculate the torsion angle transmission coefficient k (cis) according to k = ∂ 1/∂ 2; obtaining k (inverse) in the same way; and when the k (cis) and the k (reverse) are closer to 1, the better the torsion angle transfer performance of the corresponding stone-taking basket is, so that the detection of the torsion angle transfer performance of the stone-taking basket is completed.
On one hand, the sheath tube is used for guiding the transmission line, and the pocket net and the transmission line are coaxially arranged in the test process; on the other hand, be used for supporting pocket net and drive line, reduce drive line or pocket net and take place from the condition that takes off in the corresponding anchor clamps among the testing process.
By adopting the mode, the detection device has a simple structure, is convenient for workers to operate, and effectively improves the convenience of detecting the transmission performance of the stone-taking net basket; through transmission performance detection, effectively promote the quality of medical stone basket of getting, promote the convenience when doctor diagnoses the operation, improve the operation success rate.
Preferably, a plurality of sheath pipes are arranged at intervals along the length direction of the base, and any one sheath pipe is detachably and fixedly connected with the base; a carrying platform for supporting the torsion force test fixture and the torsion angle test fixture is arranged on the base, and the carrying platform is horizontally arranged on the base in a sliding manner along the axial direction of the sheath tube; and the base is provided with an adjusting component for the sliding of the carrying platform.
By adopting the technical scheme, in actual test, a worker firstly increases or decreases the number of sheath tubes according to the sizes of different stone-taking baskets; and then, the carrying platform is pushed to slide along the length direction of the base, so that the carrying platform is always kept on one side of the sheath tube, which is away from the tail end clamp, thereby simulating the use working conditions of different stone-taking baskets, effectively enlarging the application range of the stone-taking basket transfer performance detection device and increasing the accuracy of a detection result.
Preferably, the adjusting assembly comprises a sliding rod and a supporting lug, the sliding rod is respectively arranged on two sides of the base, which are positioned on the horizontal radial direction of the sheath tube, and any sliding rod is arranged in parallel to the sheath tube; the supporting lug is arranged at the lower side of the carrier, and the supporting lug and the sliding rod are arranged correspondingly; and any slide bar axially penetrates through the support lug along the sheath tube and is connected with the corresponding support lug in a sliding manner.
Through adopting above-mentioned technical scheme, with the help of the cooperation of sliding of slide bar and support ear, realize the position adjustment of microscope carrier on base length direction, adjust simple structure, the staff's operation of being convenient for helps promoting efficiency of software testing.
Preferably, the sliding assembly comprises a waist-shaped hole arranged on the carrier, and the length direction of the waist-shaped hole extends along the horizontal radial direction of the sheath tube; the torsion force test fixture and the torsion angle test fixture are arranged corresponding to the waist-shaped hole; the torsion force test fixture and the torsion angle test fixture are all provided with sliding bolts, any thread end of each sliding bolt penetrates through the thickness direction of the corresponding torsion force test fixture, the thickness direction of the corresponding torsion angle test fixture and the waist-shaped hole, and any sliding bolt is connected with the corresponding carrying platform in a sliding mode along the length direction of the waist-shaped hole.
By adopting the technical scheme, when the torsional force transmission performance of the calculus removing basket is tested, a worker pushes the torsional force test fixture to enable the sliding bolt on the torsional force test fixture to slide along the length direction of the waist-shaped hole until the chuck of the torsional force test fixture and the sheath pipe are coaxially arranged, so that the torsional force transmission performance of the calculus removing basket can be tested; when testing the transmission performance of the torsion angle of the stone-taking basket, a worker pushes the torsion force testing clamp to separate the clamp from the end part of the sheath pipe; then, pushing the torsion angle test fixture until a chuck of the torsion angle test fixture and the sheath tube are coaxially arranged so as to test the transmission performance of the torsion angle; after the detection of the torsional force transmission performance is finished, equipment does not need to be replaced, the test of the torsional angle transmission performance can be continuously carried out, and the transmission performance of different stone-taking baskets under the same condition can be conveniently tested; simultaneously, the simple structure that slides effectively promotes the staff and gets the convenience when stone basket transmission capability test.
Preferably, a fixing nut is arranged at the position, located on the lower side of the carrier, of any one of the sliding bolts.
By adopting the technical scheme, the fixing nut is used for fixing the torsion force test fixture or the torsion angle test fixture on the carrying platform; after the position of the corresponding torsion force test clamp or the torsion angle test clamp is adjusted, a worker screws the fixing nut to enable the fixing nut and the bolt cap of the sliding bolt to clamp the carrying platform and the corresponding clamp, so that the corresponding clamp is fixed on the carrying platform; the fixing structure is simple, the manufacturing is convenient, and the manufacturing cost of enterprises is effectively saved.
Preferably, the torsion force test fixture comprises a first mounting seat and a fixed chuck fixed on one side of the first mounting seat close to the sheath tube, and the sliding bolt is arranged on the first mounting seat; the fixed chuck is of a cylindrical structure, and the axial direction of the fixed chuck is parallel to the axial direction of the sheath tube; the fixed chuck is divided into four single bodies along the axial direction of the fixed chuck, and each single body comprises a quarter cylinder; and mounting seams are formed between every two adjacent single bodies, and the detection end of the force sensor is embedded in the mounting seams.
By adopting the technical scheme, in the test operation, after the stone-taking basket penetrates into the sheath tube, a worker respectively stretches the four basket wires of the net into the corresponding mounting seams and contacts the detection end of the force sensor; then, clamping one end of the transmission line, which is far away from the net, by using a tail end clamp, so as to finish clamping the stone-taking basket on the stone-taking basket transmission performance detection device; then, the tail end clamp drives the transmission line to rotate for a certain number of turns, so that the net pockets of the stone-taking net basket are tightly abutted against the side walls of the mounting seams due to the torsional force; meanwhile, the force sensor detects corresponding thrust, namely the torsional force F2 applied to the net, and transmits corresponding signals to the controller, so that the detection of the torsional force applied to the net is completed; through turning into the thrust of basket silk to the installation seam lateral wall with the torsional force that the pocket net received, effectively promote the convenience that detects the torsional force F2 that the pocket net received.
Preferably, the fixed chuck comprises a fixed part and a movable part, the fixed part comprises any adjacent three single bodies, and the movable part comprises the remaining single body; the torsion force testing clamp comprises an elastic ring coaxially sleeved at the axial middle part of the fixed chuck, and a limiting groove is formed in the fixed chuck corresponding to the elastic ring.
By adopting the technical scheme, during actual test, a worker firstly takes the elastic ring off the fixed chuck and sleeves the elastic ring on the stone-taking basket, and takes the movable part off the fixed part; then, two adjacent basket wires of the to-be-measured stone-taking basket net bag are sequentially embedded into the corresponding mounting seams of the corresponding fixing parts; then, the other two basket wires are respectively arranged close to the two inner walls of the fixing part; after the worker fits and installs the movable part in the fixed part, the side face where the movable part fits with the fixed part respectively supports the two basket wires in the installation seam between the movable part and the fixed part; then, the staff locates the spacing inslot with the elasticity snare, accomplishes the fixed to getting stone basket string bag end to this reduces the condition emergence that the pocket net was deviate from in the installation seam among the torsional force test procedure, helps promoting the stability of getting stone basket torsional force transmission performance testing process.
Preferably, the torsion angle testing fixture comprises a second mounting seat and a mounting shaft rotatably arranged on the second mounting seat, and the sliding bolt is arranged on the second mounting seat; the axis of the mounting shaft and the rotation axis of the mounting shaft are parallel to the axis direction of the sheath tube, and an abutting plane is arranged on the outer circular surface of the mounting shaft along the axial direction of the mounting shaft; the torsion angle test fixture further comprises an installation chuck, the installation chuck is coaxially arranged on the installation shaft, a mounting hole used for being matched with the installation shaft is formed in one end of the installation chuck, and a cross-shaped clamping seam is formed in one end, deviating from the mounting hole, of the installation chuck.
By adopting the technical scheme, when the torsion angle transfer performance of the stone-taking basket is tested, a worker firstly installs the installation chuck on the second installation seat by utilizing the insertion fit of the installation hole and the installation shaft; then, inserting four basket wires of the to-be-measured stone-taking basket net bag into corresponding positions of the cross-shaped clamping seams; then, the tail end clamp clamps the end of the transmission line and drives one end of the transmission line, which is far away from the pocket net, to rotate around the axis of the transmission line; the transmission line drives the pocket net to rotate, and the pocket net also pushes the mounting chuck to rotate around the mounting shaft while rotating; the angle sensor senses the rotation angle of the mounting shaft and transmits corresponding signals to the controller, so that the test on the torsion angle transmission performance of the stone-taking basket is completed.
Utilize the grafting cooperation of installation axle and mounting hole, realize the dismantled fixed connection of installation chuck and second mount pad, the staff of being convenient for changes assorted installation chuck according to the type of the stone basket is got to the difference, helps further promoting this stone basket transmission performance detection device's suitability.
Preferably, the tail end clamp comprises a clamping jaw coaxially fixed on the output shaft of the motor, and the clamping jaw and the sheath tube are coaxially arranged; an avoidance groove is formed in one end, close to the sheath tube, of the clamping jaw, and the bottom wall of the avoidance groove is coplanar with the axis of the sheath tube; clamping pieces are movably arranged in the avoidance groove, the clamping pieces slide in a reciprocating mode in a direction perpendicular to the bottom wall of the avoidance groove, and a clamping seam is formed between the clamping pieces and the bottom wall of the avoidance groove; and a driving piece for driving the clamping piece to slide is arranged on the clamping jaw.
By adopting the technical scheme, when the transmission line is installed on the tail end clamp, the driving piece drives the clamping piece to be far away from the bottom wall of the avoidance groove, so that the gap of the clamping seam is increased; then, the worker stretches one end of the stone taking net basket transmission line, which is far away from the net, into the clamping seam; then, the driving piece drives the clamping piece to be close to the bottom wall of the avoiding groove, the gap of the clamping seam is reduced, and one end, away from the net, of the stone-taking basket transmission line is tightly pressed on the bottom wall of the avoiding groove by the clamping piece, so that the stone-taking basket transmission line end is fixed; fixed knot simple structure helps promoting the convenience of staff's operation.
Preferably, elastic pads are fixedly paved on two side walls of the clamping seam.
Through adopting above-mentioned technical scheme, the cushion is used for increasing the frictional force between basket silk and the centre gripping seam lateral wall, and the condition that the basket silk breaks away from the centre gripping seam takes place in the reduction testing process, helps guaranteeing the normal clear of detection operation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the position of the carrying platform is adjusted by adjusting the number of the sheath tubes and the sliding fit of the supporting lugs and the sliding rods, so that the detection requirements of the stone-taking net baskets with different sizes are met, the adjusting structure is simple, the operation is convenient, and the detection efficiency is improved; meanwhile, the application range of the stone-taking basket transmission performance detection device is expanded, and the usability of the stone-taking basket transmission performance detection device is improved;
2. the positions of the torsion force test fixture and the torsion angle test fixture on the carrying platform are adjusted by utilizing the waist-shaped groove, the sliding bolt and the fixing nut, the adjusting structure is simple, and the enterprise manufacturing cost is saved; meanwhile, the corresponding clamp on the carrying platform can be conveniently detached and replaced by workers, so that the detection requirements of different types of stone-taking baskets can be met, and the applicability of the stone-taking basket transmission performance detection device can be further improved;
3. the mounting chuck can be detachably mounted by the insertion fit of the mounting shaft and the mounting hole, so that the convenience of workers in dismounting and replacing the mounting chuck is effectively improved; in actual operation, the staff changes different installation clamping jaws according to the detection needs of different stone-taking baskets, and the applicability of the stone-taking basket transfer performance detection device is further expanded.
Drawings
Fig. 1 is an axial view mainly showing the overall structure of a stone basket in the related art.
Fig. 2 is an axial view of the overall structure of the device for detecting the transmission performance of the stone-taking basket according to the embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2, and mainly shows the entire structure of the base.
Fig. 4 is a partially enlarged view of the entire structure of the adjusting assembly according to the embodiment of the present application.
Fig. 5 is a schematic axial view of the embodiment of the present application, which mainly shows the overall structure of the mounting clip.
Fig. 6 is a partially enlarged view mainly showing the mounting position of the fixing nut in the embodiment of the present application.
Fig. 7 is an enlarged view of a portion B in fig. 2, and mainly shows the overall structure of the tail end clamp.
Reference numerals: 1. a base; 11. an adjustment assembly; 111. a slide bar; 112. a support ear; 2. a sheath tube; 21. a supporting seat; 3. a tail end clamp; 31. a clamping jaw; 311. an avoidance groove; 32. a clip; 33. clamping the seam; 34. a drive member; 341. adjusting the bolt; 35. an elastic pad; 4. a motor; 5. a stage; 51. a torsional force test fixture; 511. a first mounting seat; 5111. a vertical plate; 5112. a base plate; 512. fixing the chuck; 5121. installing a seam; 5122. a fixed part; 5123. a movable portion; 52. a torsion angle testing fixture; 521. a second mounting seat; 522. installing a shaft; 5221. an abutment plane; 523. mounting a chuck; 5231. mounting holes; 524. a limiting block; 525. a cross-shaped clamp seam; 53. a limiting groove; 54. an elastic ring; 55. a protective cover; 6. a slipping component; 61. a kidney-shaped hole; 62. sliding the bolt; 63. fixing a nut; 7. a force sensor; 8. an angle sensor; 9. a controller; 100. a drive line; 200. net holding.
Detailed Description
The present application is described in further detail below with reference to figures 2-7.
The embodiment of the application discloses get stone basket transmission performance detection device.
Referring to fig. 2 and 3, the device for detecting the transfer performance of the stone-taking basket comprises a rectangular base 1 which is horizontally arranged, and a sheath pipe 2 is arranged above the base 1 along the length direction of the base; a tail end clamp 3 is rotatably arranged at one end of the sheath tube 2 on the base 1, the rotating axis of the tail end clamp 3 is coaxial with the sheath tube 2, and a motor 4 for driving the tail end clamp 3 to rotate is arranged on the base 1; a carrying platform 5 is arranged at one end, away from the tail end clamp 3, of the sheath tube 2 on the base 1, a torsion force testing clamp 51 and a torsion angle testing clamp 52 are horizontally arranged on the carrying platform 5 in a sliding mode along the width direction of the base 1, and a sliding assembly 6 for the torsion force testing clamp 51 and the torsion angle testing clamp 52 to slide is further arranged on the carrying platform 5; the torsion force test fixture 51 is provided with a force sensor 7, and the torsion angle test fixture 52 is provided with an angle sensor 8; meanwhile, the base 1 is provided with a controller 9, and the controller 9 is electrically connected with the motor 4, the force sensor 7 and the angle sensor 8.
A protective cover 55 for protecting the torsion force test jig 51 and the torsion angle test jig 52 is rotatably provided on the stage 5.
Specifically, referring to fig. 2 and 4, the lower sides of the two ends of the sheath tube 2 are respectively provided with a support seat 21, and any support seat 21 is detachably and fixedly connected with the base 1 through a bolt; moreover, in order to meet the detection requirements of different stone-taking baskets, a plurality of sheath tubes 2 are arranged at intervals along the length direction of the base 1; meanwhile, in order to ensure that the carrying platform 5 is always positioned at one end of the sheath tube 2 departing from the tail end clamp 3, the base 1 is provided with an adjusting component 11 for the carrying platform 5 to slide along the length direction of the base 1.
The adjusting component 11 comprises sliding rods 111 arranged at two sides of the base 1 in the width direction, and any sliding rod 111 is arranged in parallel to the sheath tube 2; the adjusting assembly 11 further comprises a supporting lug 112 arranged on the lower side of the carrier 5, the supporting lug 112 is provided with a group on two sides of the carrier 5 corresponding to the sliding rod 111, and any group comprises two supporting lugs 112; any slide rod 111 penetrates through the two support lugs 112 on the corresponding side of the carrier 5 along the axial direction of the slide rod, and is in sliding fit with the corresponding support lugs 112.
Referring to fig. 3 and 4, the torsion testing jig 51 includes a first mounting seat 511 and a fixed collet 512 mounted on the first mounting seat 511; the first mounting base 511 comprises a vertical plate 5111 and a bottom plate 5112 which are fixedly connected, the bottom plate 5112 is horizontally arranged, and the bottom plate 5112 is detachably and fixedly connected with the carrier 5; the vertical plate 5111 is vertically arranged on the upper side of the bottom plate 5112, and the fixed chuck 512 is arranged on one side of the vertical plate 5111 close to the sheath tube 2 through a bolt; the fixed chuck 512 is of a cylindrical structure, the axial direction of the fixed chuck 512 is parallel to the axial direction of the sheath tube 2, the fixed chuck 512 is divided into four single bodies along the self axial direction, each single body comprises a quarter cylinder, and an installation slit 5121 for installing basket wires of the pocket net 200 is formed between every two adjacent single bodies; the force sensor 7 is installed between the fixed chuck 512 and the vertical plate 5111, and the detecting end of the force sensor 7 is embedded in the corresponding installation slot 5121.
Meanwhile, the fixed chuck 512 comprises a fixed part 5122 and a movable part 5123, the fixed part 5122 comprises any adjacent three single bodies, the three single bodies are fixed on the vertical plate 5111, the movable part 5123 is the remaining single body, and the movable part 5123 is detachably and fixedly connected with the fixed part 5122 through a connecting structure; the connecting structure comprises a limiting groove 53 arranged on the outer circular surface of the fixed chuck 512, and the limiting groove 53 is coaxially distributed on the curved surfaces of the fixed part 5122 and the movable part 5123; the attachment structure further includes an elastic ring 54; after the fixing portion 5122 and the movable portion 5123 are mounted in a matching manner, the elastic ring 54 is coaxially sleeved in the limiting grooves 53 of the fixing portion 5122 and the movable portion 5123.
During actual testing, a worker firstly penetrates the stone taking basket through the sheath pipe 2 along the axial direction of the sheath pipe 2, keeps the pocket net 200 extending out of the sheath pipe 2 and close to the torsion force testing clamp 51, and meanwhile keeps one end, away from the pocket net 200, of the transmission line 100 extending out of the sheath pipe 2 and close to the tail end clamp 3; then, the worker pushes the torsion force testing clamp 51 to make the fixed clamp 512 and the sheath 2 be coaxially arranged; then, the worker shifts the elastic ring 54 from the fixed chuck 512 to the stone-taking basket or to the shell of the force sensor 7 and takes down the movable part 5123; subsequently, two adjacent basket wires of the net 200 are inserted into the two mounting slits 5121 in the fixing portion 5122; then the remaining two basket wires are sequentially abutted against the two inner walls of the fixed part 5122 matched with the movable part 5123; after the movable portion 5123 is mounted on the fixing portion 5122, the worker sleeves the elastic ring 54 into the limiting groove 53, so that the movable portion 5123 tightly presses the two basket wires between itself and the fixing portion 5122 against the inner wall of the fixing portion 5122, thereby completing the fixing of the bag end of the stone-taking basket.
Referring to fig. 4 and 5, the torsion angle testing jig 52 includes a second mounting base 521 and a mounting shaft 522 rotatably disposed on the second mounting base 521, the structure of the second mounting base 521 is identical to that of the first mounting base 511, the mounting shaft 522 is disposed on one side of the vertical plate 5111 close to the sheath tube 2, the axial direction of the mounting shaft 522 is parallel to the axial direction of the sheath tube 2, and the mounting shaft 522 freely rotates around its own axis. The torsion angle testing fixture 52 further comprises a mounting chuck 523 coaxially arranged with the mounting shaft 522, one end of the mounting chuck 523 is provided with a mounting hole 5231, and the mounting hole 5231 is in inserted fit with the mounting shaft 522; in order to reduce the occurrence of slippage of the mounting shaft 522 relative to the mounting clip 523, an abutment surface 5221 is formed on the outer circumferential surface of the mounting shaft 522 along the axial direction of the mounting shaft 522.
One end of the mounting chuck 523 departing from the mounting shaft 522 is distributed with four limit blocks 524 around the axis array of the mounting chuck, and any limit block 524 is arranged in an L shape, and the right-angle sides of the adjacent limit blocks 524 are parallel to each other, so that a cross-shaped clamping seam 525 is formed between the four limit blocks 524. The angle sensor 8 is installed on one side of the vertical plate 5111, which is far away from the installation chuck 523. During the use, the staff inlays the four basket silk of pocket net 200 end and locates in cross card seam 525 to this clamping of pocket net 200 on torsion angle test fixture 52 is accomplished.
Referring to fig. 3 and 6, the sliding assembly 6 includes a waist-shaped hole 61 and a sliding bolt 62 which are arranged on the carrier 5, the waist-shaped hole 61 is respectively arranged on two sides of the carrier 5 corresponding to the width direction of the base 1, the length direction of any waist-shaped hole 61 is parallel to the width direction of the base 1, any waist-shaped hole 61 vertically penetrates through the thickness direction of the carrier 5, and the torsion force testing clamp 51 and the torsion angle testing clamp 52 are in one-to-one correspondence with the waist-shaped holes 61; in order to reduce the interference between the torsion force testing jig 51 and the torsion angle testing jig 52, two waist-shaped holes 61 are spaced along the length direction of the base 1. One sliding bolt 62 is arranged on each of the first mounting seat 511 and the second mounting seat 521, a threaded end of any sliding bolt 62 vertically penetrates through the thickness direction of the corresponding bottom plate 5112 and the waist-shaped hole 61 from top to bottom and extends to the lower side of the carrier 5, and any sliding bolt 62 slides relative to the sliding table along the length direction of the corresponding waist-shaped hole 61; meanwhile, a fixing nut 63 is provided at a lower position of the stage 5 of any of the slide bolts 62.
During work, a worker unscrews the fixing bolt, pushes the corresponding torsion force test clamp 51 and the corresponding torsion angle test clamp 52 along the width direction of the base 1, and adjusts the positions of the corresponding clamps on the carrying platform 5; thereafter, the fixing nut 63 is tightened to fix the position of the corresponding jig. Meanwhile, when the corresponding sliding bolt 62 abuts against the end part of the corresponding waist-shaped hole 61 close to the other waist-shaped hole 61 in the length direction, the fixed clamp 512 or the installation clamp 523 is just coaxial with the sheath tube 2, and the convenience of positioning the torsion force test clamp 51 and the torsion angle test clamp 52 is effectively improved.
Referring to fig. 2 and 7, a housing of the motor 4 is fixedly arranged on the base 1, and an output shaft of the motor 4 faces the carrier 5 and is coaxially arranged with the sheath 2; the tail end clamp 3 comprises a clamping jaw 31, the clamping jaw 31 is coaxially fixed on an output shaft of the motor 4, an avoiding groove 311 is formed in one end, close to the sheath tube 2, of the clamping jaw 31, the avoiding groove 311 penetrates through the clamping jaw 31, close to one end of the sheath tube 2, in the axial direction and on one side with any diameter, and the bottom wall of the avoiding groove 311 is coplanar with the axis of the sheath tube 2; the tail end clamp 3 further comprises a clamping piece 32, one side of the clamping piece 32 close to the bottom wall of the avoiding groove 311 is parallel to the avoiding groove 311, and a clamping slot 33 is formed; the clamping jaw 31 is provided with a driving piece 34 for driving the clamping piece 32 to slide back and forth along the direction vertical to the bottom wall of the avoiding groove 311.
The driving member 34 includes an adjusting bolt 341, and a threaded end of the adjusting bolt 341 sequentially penetrates through the clamping piece 32 and the clamping jaw 31 along a direction perpendicular to the bottom wall of the avoiding groove 311, and is in threaded connection with the clamping jaw 31 and connected with the clamping piece 32 in a sliding manner.
In addition, in order to increase the stability of the stone-taking basket clamped between the clamping piece 32 and the bottom wall of the avoiding groove 311, elastic pads 35 are fixedly laid on the two side walls of the clamping seam 33.
During actual detection, the worker unscrews the adjusting bolt 341 to increase the width of the clamping seam 33, and the worker stretches one end of the stone-taking basket transmission line 100, which is far away from the pocket net 200, into the clamping seam 33; then, the adjusting bolt 341 is tightened again, so that the clamping piece 32 abuts the driving wire 100 against the bottom wall of the avoiding groove 311, thereby completing the clamping of the driving wire 100 on the tail end clamp 3.
The implementation principle of the stone-taking basket transfer performance detection device in the embodiment of the application is as follows: when the transmission performance of the stone-taking basket is detected, a worker firstly penetrates the stone-taking basket through the sheath pipe 2 along the axial direction of the sheath pipe 2, keeps the bag net 200 extending out of the sheath pipe 2 and close to the carrying platform 5, and meanwhile keeps one end, away from the bag net 200, of the transmission line 100 extending out of the sheath pipe 2 and close to the clamping jaw 31; then, the worker pushes the torsion force testing clamp 51 to enable the fixed clamp 512 and the sheath 2 to be coaxially arranged, and clamps the pocket net 200 to the fixed clamp 512; then, clamping one end of the transmission line 100, which is far away from the pocket net 200, between the clamping jaw 31 and the clamping piece 32; then, the controller 9 is started, and the worker inputs the rotation speed and the number of rotations (rotation angle) on the panel of the controller 9; after the corresponding parameters are set, clicking a torque force test button, controlling the motor 4 to start by the controller 9, driving the clamping jaw 31 to rotate clockwise for a certain number of turns around the axis of the sheath tube 2 at a preset speed by the motor 4, and further enabling the basket wire pair of the net 200 to tightly abut against the side wall of the installation seam 5121 under the action of the torque force; meanwhile, the force sensor 7 detects a corresponding thrust force, i.e., a torsion force F applied to the net 200, and transmits a corresponding signal to the controller 9, thereby detecting the torsion force applied to the net 200.
Then, the worker takes the net 200 off the fixed clamp 512 and pushes the torsion force testing clamp 51 away from the end of the sheath 2; then, the torsion angle testing clamp 52 is pushed, the mounting clamp 523 and the sheath tube 2 are coaxially arranged, and the basket wires of the net 200 are embedded into the cross-shaped clamping seam 525; then, starting the controller 9, and inputting the rotating speed and the number of rotating turns (rotating angle) on a panel of the controller 9 by a worker; after the corresponding parameters are set, clicking a torsion angle test button, controlling the motor 4 to start by the controller 9, driving the clamping jaw 31 to rotate clockwise for a certain number of turns around the axis of the sheath tube 2 at a preset speed by the motor 4, driving the driving line 100 to rotate for a certain angle by the clamping jaw 31, driving the pocket net 200 to rotate for a certain angle by the driving line 100, and driving the mounting shaft 522 to rotate for a certain angle by the pocket net 200; the angle sensor 8 simultaneously senses the rotation angle ∂ 2 of the mounting shaft 522 and transmits a corresponding signal to the controller 9; after the test is finished, the worker calculates the angle ∂ 1 of the tail end clamp 3 driving the driving line 100 to rotate according to ∂ =360 × rotation turns, and calculates the torsion angle transfer coefficient k (cis) according to k = ∂ 1/∂ 2; obtaining k (inverse) in the same way; and when the k (cis) and the k (reverse) are closer to 1, the better the torsion angle transfer performance of the corresponding stone-taking basket is, so that the detection of the torsion angle transfer performance of the stone-taking basket is completed.
Then, under the same working condition, the worker detects all the stone-taking baskets and detects the torsional forces Fi and ∂ 2 applied to the ends of the pockets 200 of different stone-taking baskets; the larger the measured Fi value is, the better the transmission performance of the torsion force corresponding to the stone-taking basket is, and the closer the measured ∂ 2 value is to the corresponding ∂ 1 value, the better the transmission performance of the torsion angle corresponding to the stone-taking basket is, so that the detection of the transmission performance of the corresponding stone-taking basket is completed.
The method is adopted to detect the transmission performance of the stone-taking net basket, the operation is convenient, and the time and the labor are saved; meanwhile, after the transmission performance is detected, the quality of the medical stone-taking basket is effectively improved, the convenience of doctors in diagnosis and treatment operation is improved, and the success rate of the operation is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a get stone basket transmission performance detection device which characterized in that: the sheath tube comprises a base (1) and a sheath tube (2) horizontally arranged on the base (1), wherein the axial direction of the sheath tube (2) is parallel to the length direction of the base (1); a tail end clamp (3) is rotatably arranged at one end, positioned on the sheath tube (2), of the base (1), the rotating axis of the tail end clamp (3) is coaxially arranged with the sheath tube (2), and a motor (4) for driving the tail end clamp (3) to rotate is arranged on the base (1); a torsional force test fixture (51) and a torsional angle test fixture (52) are arranged at one end, away from the tail end fixture (3), of the sheath tube (2) on the base (1), a force sensor (7) is arranged on the torsional force test fixture (51), an angle sensor (8) is arranged on the torsional angle test fixture (52), the torsional force test fixture (51) and the torsional angle test fixture (52) both slide in a horizontal and radial reciprocating mode along the sheath tube (2), and a sliding assembly (6) for the torsional force test fixture (51) and the torsional angle test fixture (52) to slide is arranged on the base (1); the base (1) is provided with a controller (9), and the controller (9) is electrically connected with the motor (4), the force sensor (7) and the angle sensor (8).
2. The device for detecting the transmission performance of the stone-taking basket according to claim 1, wherein: a plurality of sheath tubes (2) are arranged at intervals along the length direction of the base (1), and any one sheath tube (2) is detachably and fixedly connected with the base (1); a carrying platform (5) used for supporting the torsion force testing clamp (51) and the torsion angle testing clamp (52) is arranged on the base (1), and the carrying platform (5) is horizontally arranged on the base (1) in a sliding manner along the axial direction of the sheath tube (2); the base (1) is provided with an adjusting component (11) for the sliding of the carrying platform (5).
3. The device for detecting the transmission performance of the stone-taking basket according to claim 2, wherein: the adjusting assembly (11) comprises a sliding rod (111) and a supporting lug (112), the sliding rod (111) is arranged on two sides of the base (1) in the horizontal radial direction of the sheath tube (2), and any sliding rod (111) is arranged in parallel to the sheath tube (2); the supporting lug (112) is arranged at the lower side of the carrier (5), and the supporting lug (112) and the sliding rod (111) are arranged correspondingly; any slide rod (111) axially penetrates through the support lug (112) along the sheath tube (2) and is connected with the corresponding support lug (112) in a sliding manner.
4. The device for detecting the transmission performance of the stone-taking basket according to claim 1, wherein: the sliding assembly (6) comprises a waist-shaped hole (61) formed in the carrier (5), and the length direction of the waist-shaped hole (61) horizontally and radially extends along the sheath tube (2); the torsion force test fixture (51) and the torsion angle test fixture (52) are arranged corresponding to the waist-shaped hole (61); the torsion force testing clamp (51) and the torsion angle testing clamp (52) are respectively provided with a sliding bolt (62), the thread end of any sliding bolt (62) penetrates through the thickness direction of the corresponding torsion force testing clamp (51), the thickness direction of the torsion angle testing clamp (52) and the waist-shaped hole (61), and any sliding bolt (62) is connected with the corresponding carrying platform (5) in a sliding mode along the length direction of the waist-shaped hole (61).
5. The device for detecting the transmission performance of the stone-taking basket according to claim 2, wherein: and a fixing nut (63) is arranged at the position of any one sliding bolt (62) on the lower side of the carrier (5).
6. The device for detecting the transmission performance of the stone-taking basket according to claim 1, wherein: the torsion force test fixture (51) comprises a first mounting seat (511) and a fixed chuck (512) fixed on one side, close to the sheath tube (2), of the first mounting seat (511), and the sliding bolt (62) is arranged on the first mounting seat (511); the fixed chuck (512) is of a cylindrical structure, and the axial direction of the fixed chuck (512) is parallel to the axial direction of the sheath tube (2); the fixed chuck (512) is divided into four single bodies along the axial direction of the fixed chuck, and each single body comprises a quarter cylinder; and mounting seams (5121) are formed between every two adjacent single bodies, and the detection end of the force sensor (7) is embedded in the mounting seams (5121).
7. The device for detecting the transmission performance of the stone-taking basket according to claim 6, wherein: the fixed chuck (512) comprises a fixed part (5122) and a movable part (5123), wherein the fixed part (5122) comprises any adjacent three single bodies, and the movable part (5123) comprises the remaining single body; the torsion force testing clamp (51) comprises an elastic ring (54) coaxially sleeved in the middle of the axial direction of the fixed chuck (512), and a limiting groove (53) is formed in the fixed chuck (512) corresponding to the elastic ring (54).
8. The device for detecting the transmission performance of the stone-taking basket according to claim 1, wherein: the torsion angle testing clamp (52) comprises a second mounting seat (521) and a mounting shaft (522) rotatably arranged on the second mounting seat (521), and the sliding bolt (62) is arranged on the second mounting seat (521); the axis of the mounting shaft (522) is parallel to the axis direction of the sheath tube (2), and the mounting shaft (522) freely rotates around the axis of the mounting shaft; an abutting plane (5221) is arranged on the outer circular surface of the mounting shaft (522) along the axial direction of the mounting shaft; torsion angle test fixture (52) still include installation chuck (523), installation chuck (523) set up on installation axle (522) coaxially, mounting hole (5231) that are used for cooperating installation axle (522) are seted up to the one end of installation chuck (523), cross joint seam (525) have been seted up to the one end that installation chuck (523) deviate from mounting hole (5231).
9. The device for detecting the transmission performance of the stone-taking basket according to claim 1, wherein: the tail end clamp (3) comprises a clamping jaw (31) which is coaxially fixed on an output shaft of the motor (4), and the clamping jaw (31) and the sheath tube (2) are coaxially arranged; an avoiding groove (311) is formed in one end, close to the sheath tube (2), of the clamping jaw (31), and the bottom wall of the avoiding groove (311) is coplanar with the axis of the sheath tube (2); clamping pieces (32) are movably arranged in the avoiding groove (311), the clamping pieces (32) slide in a reciprocating mode along a direction perpendicular to the bottom wall of the avoiding groove (311), and a clamping seam (33) is formed between the clamping pieces (32) and the bottom wall of the avoiding groove (311); and a driving piece (34) for driving the clamping piece (32) to slide is arranged on the clamping jaw (31).
10. The device for detecting the transmission performance of the stone-taking basket according to claim 9, wherein: elastic pads (35) are fixedly paved on two side walls of the clamping seam (33).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111399462.1A CN114252350B (en) | 2021-11-19 | 2021-11-19 | Get stone basket transfer performance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399462.1A CN114252350B (en) | 2021-11-19 | 2021-11-19 | Get stone basket transfer performance detection device |
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| CN112945440A (en) * | 2021-01-29 | 2021-06-11 | 东华大学 | Medical stone-taking basket torsion control performance testing device and testing method |
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| DE3705557A1 (en) * | 1987-02-19 | 1988-09-01 | Siemens Ag | Device for testing sections of electric line |
| KR20120077762A (en) * | 2010-12-31 | 2012-07-10 | 한국항공우주연구원 | Tension and torque simultaneous loading test bench |
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