CN120890813A - A novel environmentally friendly centrifuge tube resistance testing device - Google Patents
A novel environmentally friendly centrifuge tube resistance testing deviceInfo
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- CN120890813A CN120890813A CN202511443150.4A CN202511443150A CN120890813A CN 120890813 A CN120890813 A CN 120890813A CN 202511443150 A CN202511443150 A CN 202511443150A CN 120890813 A CN120890813 A CN 120890813A
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- tube
- external force
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- hollow
- hollow tube
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明涉及器皿检测领域，特别涉及一种新型环保材料离心管抗外力检测装置，包括机台，机台上固定安装有机械手，机械手用于抓取离心管并放置在管内检测组件上；机台上分别安装有管内检测组件和管外检测组件；管内检测组件包括第一压力传感器、电动推杆、伸缩件，以及能够对离心管进行固定的气囊，电动推杆的伸缩端固定连接有安装板，安装板远离电动推杆的一侧固定连接有空心管，空心管上设置有用于对离心管固定的固定件，气囊滑动套设在空心管上。本申请可以进行单一向项目抗外力检测和离心管内外壁同时进行抗外力检测的操作，并且在检测过程中，可以对离心管进行管体气密性检测，可以确定在离心管在出现管壁破漏时所受外力的大小。
This invention relates to the field of glassware testing, and particularly to a novel environmentally friendly centrifuge tube resistance testing device. The device includes a machine base with a robotic arm fixedly mounted on it. The robotic arm grips the centrifuge tubes and places them on an internal testing component. An internal testing component and an external testing component are mounted on the machine base. The internal testing component includes a first pressure sensor, an electric push rod, a telescopic component, and an airbag for securing the centrifuge tube. A mounting plate is fixedly connected to the telescopic end of the electric push rod, and a hollow tube is fixedly connected to the side of the mounting plate away from the electric push rod. A fixing component for securing the centrifuge tube is provided on the hollow tube, and the airbag is slidably fitted onto the hollow tube. This application can perform unidirectional external force resistance testing and simultaneous external force resistance testing of the inner and outer walls of the centrifuge tube. Furthermore, during the testing process, the airtightness of the centrifuge tube can be tested, determining the magnitude of the external force experienced when the centrifuge tube experiences wall leakage.
Description
Technical Field
The invention belongs to the technical field of vessel detection, and particularly relates to a novel environment-friendly material centrifuge tube external force resistance detection device.
Background
Centrifuge tubes are tubular specimen containers used for laboratory and industrial applications, primarily for separating and analyzing particles or components in liquid suspensions by centrifugal force. centrifuge tubes are usually composed of a tube body and a tube cover, wherein the tube cover is divided into a connecting cover and an independent cover, and is convenient for one-hand operation. The bottom of the pipe body is designed into a pointed bottom, a round bottom or three types which can be used for different centrifugal scenes. The environment-friendly centrifuge tube is mainly made of degradable materials, and can be subjected to harmless treatment after being used, so that the harm to the environment is reduced.
In combination with the prior art, the external force resistance detection device for the centrifugal tube can only perform single detection when performing external force resistance test on the centrifugal tube, and when performing external force action test on the inner wall and the outer wall of the centrifugal tube, different test equipment needs to be replaced to detect the inner wall and the outer wall of the centrifugal tube, so that inconvenience is brought to the operation of a detector, and the air tightness of the centrifugal tube is not detected in the detection process, so that the detection is difficult, and the situation that air leakage and cracking can not be effectively determined when the centrifugal tube is subjected to the action of large external force can be effectively determined.
Disclosure of Invention
Aiming at the problems, the invention provides a novel environment-friendly material centrifuge tube external force resistance detection device, which comprises a machine table, wherein a manipulator is fixedly arranged on the machine table, and the manipulator is used for grabbing a centrifuge tube and is placed on an in-tube detection assembly;
The machine table is respectively provided with an in-pipe detection assembly and an out-pipe detection assembly;
The in-tube detection assembly is used for detecting stress on the inner wall of the centrifuge tube;
the outer tube detection component is used for detecting the stress of the outer tube wall of the centrifugal tube;
The in-pipe detection assembly comprises a first pressure sensor, an electric push rod, a telescopic part and an air bag capable of fixing a centrifuge tube, wherein the telescopic end of the electric push rod is fixedly connected with a mounting plate, the mounting plate is far away from one side of the electric push rod, which is fixedly connected with a hollow tube, a fixing part used for fixing the centrifuge tube is arranged on the hollow tube, the air bag is slidably sleeved on the hollow tube, the first pressure sensor is installed in the hollow tube through a connecting part, the detection head of the first pressure sensor is located on the outer side of the hollow tube, and the telescopic part is installed in the hollow tube and can drive the first pressure sensor to move.
Further, the outside-tube detection assembly comprises a guide groove and a motor, the motor is fixedly arranged at the upper end of the guide groove, a screw rod is rotatably arranged in the guide groove, the output end of the motor is connected with the screw rod in a transmission manner, two screw rod seats which move relatively are arranged on the screw rod in a threaded manner, and a second pressure sensor is arranged on the screw rod seats through a connecting plate.
Further, the telescopic piece comprises a taper pipe and a fixed pipe, the taper pipe is slidably mounted in the fixed pipe, the fixed pipe is arranged in the hollow pipe, a first spring is fixedly connected in the fixed pipe, the other end of the first spring is fixedly connected with the taper pipe, and one end of the taper pipe is communicated with an air pump according to the principle of the fixed pipe.
Further, the mounting includes fixed plate, fly leaf and link mechanism, fixed plate fixed mounting is in on the hollow tube, gasbag fixed mounting is in on the fixed plate, fly leaf slidable mounting is in on the hollow tube, one side of fly leaf with gasbag fixed connection, link mechanism with fly leaf transmission is connected, link mechanism sets up on the hollow tube.
Further, the link mechanism comprises a transmission rod and a pushing rod, the transmission rod is hinged to the hollow pipe, the transmission rod is movably riveted with the pushing rod, one end of the pushing rod is hinged to the movable plate, and the transmission rod can be abutted to the inner wall of the hollow pipe.
Further, fixed mounting has the holder on the connecting plate, the holder includes splint and elastic component, the elastic component can be inconsistent with the centrifuging tube, the elastic component sets up the lateral part of splint, splint setting is on the connecting plate.
Further, the top of taper pipe is provided with the upset board that can rotate, one side intercommunication that the mounting panel was kept away from to the hollow pipe has the outlet duct, the tip fixed mounting of hollow pipe has the third pressure sensor that is used for detecting the atmospheric pressure, the outlet duct can with the upset board is contradicted, the lateral part fixedly connected with of upset board is used for driving the second spring that the upset board reset.
Further, a support is fixedly arranged on the machine table, a linear guide rail is fixedly arranged on the support, and a laser displacement sensor is fixedly arranged on a sliding part of the linear guide rail.
Further, the connecting piece includes third spring, pipe box to and can with the inconsistent connection piece of taper pipe, the one end of third spring with the inner wall fixed connection of hollow tube, the other end of third spring with connection piece fixed connection, the pipe box is slided and is pegged graft on the lateral wall of hollow tube, the connection piece with pipe box fixed connection, first sensor sets up in the pipe box.
Further, the mounting plate is arranged to be a hollow plate, the mounting plate is communicated with the hollow pipe, the exhaust pipe of the fixed pipe penetrates through the side part of the mounting plate, and an exhaust valve is arranged on the exhaust pipe of the fixed pipe.
The beneficial effects of the invention are as follows:
1. the application can detect the external force resistance of the outer wall and the inner wall of the centrifuge tube, can detect the external force resistance of a single-directional item and the internal and the external walls of the centrifuge tube simultaneously, can detect the air tightness of the tube body of the centrifuge tube in the detection process, can determine the external force applied to the centrifuge tube when the tube wall of the centrifuge tube breaks and leaks, and can effectively improve the detection quality.
2. At the in-process of cover centrifuging tube, the inner wall of centrifuging tube is contradicted with the transfer line, makes the one end perk of transfer line, drives the catch bar and upwards moves with the riveting point, and the other end of catch bar promotes the fly leaf, extrudes the gasbag, and the gasbag warp, hugs closely with the pipe wall of centrifuging tube, can accomplish the fixed to the centrifuging tube, can be when fixing the centrifuging tube to keep the sealing in the centrifuging tube, be convenient for follow-up carry out the leakproofness to the centrifuging tube and detect.
3. Through the air pump work, carry out the air feed to fixed pipe, after gas enters into fixed intraductal, gas promotes the taper pipe and removes along fixed pipe, the taper pipe extrudes the connection piece at removal in-process, make the connection piece promote the pipe box and drive first pressure sensor and the inner wall of centrifuging tube and paste mutually, when continuing to let in gas, the taper pipe removes, make first pressure sensor's response portion pressurize the inner wall of centrifuging tube, carry out external force resistance detection to centrifuging tube inner wall, and the intake pipe of outlet duct will overturn the board and jack-up, make taper pipe and outlet duct intercommunication, pour into the air to the centrifuging tube, third pressure sensor detects the atmospheric pressure in the centrifuging tube, when carrying out external force resistance detection to centrifuging tube inner wall, can detect the atmospheric pressure in the centrifuging tube, atress size when can test the broken hourglass of outlet pipe body atress.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram according to an embodiment of the present invention.
FIG. 2 illustrates an isometric view of an in-tube detection assembly according to an embodiment of the present invention.
Fig. 3 shows an enlarged schematic view of the a-section structure of fig. 2 according to an embodiment of the present invention.
FIG. 4 illustrates an isometric view of an out-of-tube detection assembly according to an embodiment of the present invention.
Fig. 5 shows an enlarged schematic view of the C-section structure of fig. 4 according to an embodiment of the present invention.
FIG. 6 shows a schematic diagram of a hollow tube shaft measurement according to an embodiment of the invention.
Fig. 7 shows an enlarged schematic view of the B-section structure of fig. 6 according to an embodiment of the present invention.
Fig. 8 shows a schematic axial view of a connecting rod structure according to an embodiment of the invention.
Fig. 9 shows an exploded view of a telescoping member according to an embodiment of the present invention.
Fig. 10 shows a schematic diagram of a cone axis measurement according to an embodiment of the invention.
The device comprises a machine table, a 2-pipe inner detection assembly, a 201, a first pressure sensor, a 202, an electric push rod, a 203, a telescopic piece, a 2031, a taper pipe, a 2032, a fixed pipe, a 2033, a first spring, a 2034, an air pump, a 204, an air bag, a 205, a mounting plate, a 206, a hollow pipe, a 3-pipe outer detection assembly, a 301, a guide groove, a 302, a motor, a 303, a screw rod, a 304, a screw rod seat, a 305, a second pressure sensor, a 4, a fixed piece, a 401, a fixed plate, a 402, a movable plate, a 5, a connecting rod mechanism, a 501, a transmission rod, a 502, a push rod, a 6, a connecting plate, a 7, a clamping piece, 701, a clamping plate, a 702, an elastic piece, an 8, a bracket, a 9, a linear guide rail, a 10, a laser displacement sensor, a 11, a connecting piece, a 12, a third spring, a 13, a pipe sleeve, a 14, a connecting piece, a 15, a third pressure sensor, a 16, a manipulator, a 17, an air outlet pipe, a 18, a turnover plate, a 19 and a second spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a novel environment-friendly material centrifuge tube external force resistance detection device, referring to fig. 1-10, which comprises a machine table 1, wherein a manipulator is fixedly arranged on the machine table 1, and the manipulator is used for grabbing a centrifuge tube and is placed on an in-tube detection assembly 2;
An in-pipe detection assembly 2 and an out-pipe detection assembly 3 are respectively arranged on the machine table 1;
The in-tube detection assembly 2 is used for detecting stress on the inner wall of the centrifuge tube;
the outside-tube detection assembly 3 is used for detecting stress on the outer wall of the centrifuge tube;
The in-tube detection assembly 2 comprises a first pressure sensor 201, an electric push rod 202, a telescopic piece 203 and an air bag 204 capable of fixing a centrifuge tube, wherein the telescopic end of the electric push rod 202 is fixedly connected with a mounting plate 205, one side, away from the electric push rod 202, of the mounting plate 205 is fixedly connected with a hollow tube 206, the hollow tube 206 is provided with a fixing piece 4 for fixing the centrifuge tube, the air bag 204 is slidably sleeved on the hollow tube 206, the first pressure sensor 201 is installed in the hollow tube 206 through a connecting piece 11, a detection head of the first pressure sensor 201 is positioned on the outer side of the hollow tube 206, the telescopic piece 203 is installed in the hollow tube 206, and the telescopic piece 203 can drive the first pressure sensor 201 to move;
Specifically, referring to fig. 6 and 8, the fixing member 4 includes a fixing plate 401, a movable plate 402 and a link mechanism 5, the fixing plate 401 is fixedly mounted on the hollow tube 206, the air bag 204 is fixedly mounted on the fixing plate 401, the movable plate 402 is slidably mounted on the hollow tube 206, one side of the movable plate 402 is fixedly connected with the air bag 204, the link mechanism 5 is in transmission connection with the movable plate 402, and the link mechanism 5 is disposed on the hollow tube 206.
When taking down the centrifuging tube, the centrifuging tube removes the action of squeezing transfer line 501, and gasbag 204 is restored, promotes the fly leaf and resets, and the fly leaf promotes the catch bar and resets to drive the transfer line and reset, can automatic re-set, reduce manual operation, make things convenient for follow-up fixed operation to other centrifuging tubes.
Specifically, referring to fig. 6 and 8, the link mechanism 5 includes a transmission rod 501 and a pushing rod 502, where the transmission rod 501 is hinged on the hollow tube 206, the transmission rod 501 is movably riveted with the pushing rod 502, one end of the pushing rod 502 is hinged with the movable plate 402, and the transmission rod 501 can collide with the inner wall of the hollow tube 206.
The surface of the transmission rod 501 abutting against the inner wall of the centrifuge tube is an inclined surface.
By adopting the scheme, when the centrifugal tube is subjected to external force resistance detection, the centrifugal tube is sleeved on the in-tube detection component 2 through the mechanical arm, in the process of sleeving the centrifugal tube, the inner wall of the centrifugal tube is abutted against the transmission rod 501, one end of the transmission rod 501 is tilted to drive the push rod 502 to move upwards at a riveting point, the other end of the push rod 502 pushes the movable plate 402 to extrude the air bag 204, the air bag 204 deforms and clings to the tube wall of the centrifugal tube, the fixation of the centrifugal tube can be completed, a part of the centrifugal tube is sealed, then the electric push rod 202 works to drive the fixed centrifugal tube to move to the outside-tube detection component 3, the motor 302 works to drive the screw rod 303 to rotate, so that the two screw rod bases 304 relatively move along the guide groove 301 to enable the clamping piece 7 to clamp the centrifugal tube, the motor 302 continues to work, and the screw rod bases 304 drive the second sensor to contact with the centrifugal tube to continuously pressurize, so that the external force resistance detection can be performed on the outer wall of the centrifugal tube;
The air pump works to supply air to the fixed tube 2032, after the air enters the fixed tube 2032, the air pushes the taper tube 2031 to move along the fixed tube 2032, the taper tube 2031 extrudes the connecting piece 14 in the moving process, so that the connecting piece 14 pushes the pipe sleeve 13 to drive the first pressure sensor 201 to be attached to the inner wall of the centrifuge tube, when the air is continuously introduced, the taper tube 2031 moves, the induction part of the first pressure sensor 201 pressurizes the inner wall of the centrifuge tube, the inner wall of the centrifuge tube is subjected to external force resistance detection, the air inlet pipe of the air outlet pipe pushes the turnover plate open, so that the taper tube 2031 is communicated with the air outlet pipe 17, air is injected into the sealing area of the centrifuge tube, the third pressure sensor 15 detects the air pressure in the centrifuge tube, the air pressure in the centrifuge tube can be detected while the inner wall of the centrifuge tube is subjected to external force resistance detection, and if the air pressure is reduced or the air pressure is unchanged, the condition that air leakage occurs in the continuously pressurized node of the first pressure sensor 201 can be indicated, and the size required by external force of the tube body can be determined by comparison according to the data transmitted by the first pressure sensor and the third pressure sensor 15;
through the structure, the outer wall and the inner wall of the centrifuge tube can be subjected to external force resistance detection, single external force resistance detection of a project and simultaneous external force resistance detection operation of the inner wall and the outer wall of the centrifuge tube can be performed, in the detection process, the tube body air tightness detection can be performed on the centrifuge tube, the size of external force applied to the centrifuge tube when the tube wall is broken and leaked can be determined, and the detection quality can be effectively improved.
Referring to fig. 3-5, the out-pipe detecting assembly 3 includes a guide groove 301 and a motor 302, the motor 302 is fixedly installed at the upper end of the guide groove 301, a screw rod 303 is rotatably installed in the guide groove 301, an output end of the motor 302 is in transmission connection with the screw rod 303, two screw rod seats 304 which move relatively are installed on the screw rod 303 in a threaded manner, and a second pressure sensor 305 is installed on the screw rod seat 304 through a connecting plate 6.
By adopting the scheme, the screw rod 303 is driven to rotate through the operation of the motor 302, so that the two screw rod seats can be driven to move relatively, the second pressure sensor 305 on the connecting plate 6 is driven to move relatively, the outer wall extrusion external force detection of the tube body is carried out on the centrifuge tube between the second pressure sensors 305, and the required pressure for testing when the centrifuge tube is deformed and damaged can be simulated under the extrusion environment, so that the operation of a detector is facilitated.
Specifically, referring to fig. 9 and 10, the expansion member 203 includes a taper pipe 2031 and a fixing pipe 2032, the taper pipe 2031 is slidably mounted in the fixing pipe 2032, the fixing pipe 2032 is disposed in the hollow pipe 206, a first spring 2033 is fixedly connected in the fixing pipe 2032, the other end of the first spring 2033 is fixedly connected with the taper pipe 2031, and an air pump 2034 is communicated with one end of the fixing pipe 2032 away from the taper pipe 2031.
The side wall of the taper pipe 2031 is provided with a rubber ring which is in sliding fit with the inner wall of the fixed pipe 2032;
The first spring 2033 is used for driving the taper pipe 2031 to reset.
Specifically, when ventilation is performed in the fixed tube 2032, the taper tube 2031 is pushed by the gas to move along the fixed tube 2032, when the taper tube 2031 drives the overturning plate to move to collide with the air inlet end of the air outlet tube 17, the overturning plate is jacked up by the air outlet tube 17, so that the air outlet tube 17 is communicated with the taper tube 2031, the gas introduced by the air pump can enter the air outlet tube and then be introduced into the centrifugal tube by the air outlet tube, the air tightness of the centrifugal tube is detected, therefore, the rotatable overturning plate 18 is arranged at the top of the taper tube 2031, the air outlet tube is communicated with one side of the hollow tube 206 far away from the mounting plate 205, the end part of the hollow tube 206 is fixedly provided with a third pressure sensor 15 for detecting the air pressure, the air outlet tube 17 can collide with the overturning plate 18, and the side part of the overturning plate 18 is fixedly connected with a second spring 19 for driving the overturning plate to reset.
It is to be noted that the air outlet amount of the air outlet pipe is smaller than the air amount supplied by the air pump,
By adopting the above scheme, the air pump 2034 is used for introducing air into the fixed tube 2032, after the air enters the fixed tube 2032, the air pushes the taper tube 2031 to move along the fixed tube 2032, the taper tube 2031 is used for extruding the connecting sheet 14 in the moving process, the connecting sheet 14 pushes the pipe sleeve 13 to drive the first pressure sensor 201 to be attached to the inner wall of the centrifuge tube, when the air is continuously introduced, the taper tube 2031 is used for moving, the sensing part of the first pressure sensor 201 is used for pressurizing the inner wall of the centrifuge tube, the external force resisting detection is carried out on the inner wall of the centrifuge tube, the air inlet pipe of the air outlet pipe is used for jacking up the overturning plate, the taper tube 2031 is communicated with the air outlet pipe, the air is injected into the centrifuge tube, the air pressure in the centrifuge tube is detected by the third pressure sensor 15, the air pressure in the centrifuge tube can be detected while the external force resisting detection is carried out on the inner wall of the centrifuge tube, if the air pressure is reduced or the air pressure is unchanged, the condition that the tube body is broken and leaked can be obtained, so that the external force is required by the pressure applied by the first pressure sensor 201 at the moment in the process of transportation and the use.
For example, referring to fig. 3, the clamping member 7 is fixedly installed on the connecting plate 6, the clamping member 7 includes a clamping plate 701 and an elastic member 702, the elastic member 702 can collide with the centrifuge tube, the elastic member 702 is disposed at a side portion of the clamping plate 701, and the clamping plate 701 is disposed on the connecting plate 6.
In this embodiment, the elastic member 702 is a rubber sheet, and the clip 701 is a V-shaped plate.
By adopting the scheme, when the screw rod seat 304 drives the clamping piece 7 to clamp the centrifugal tube, the elastic piece 702 is attached to the surface of the centrifugal tube, the elastic piece 702 deforms and is coated on the wall of the centrifugal tube, and when in-tube external force resistance detection, the centrifugal tube can be coated and fixed, so that the stability of the detection process is ensured;
When the second pressure sensor 305 continuously increases the pressure to the centrifugal tube, the elastic piece 702 can increase along with the pressure increase, increase the contact area with the centrifugal tube and match with the clamping plate 701, so that the fixing effect can be increased, and the situation of torsion when the centrifugal tube is stressed greatly can be effectively prevented.
Specifically, in order to detect the deflection of body when the centrifuging tube receives the exogenic action, fixed mounting has support 8 on board 1, fixed mounting has linear guide 9 on the support 8, fixed mounting has laser displacement sensor 10 on the sliding part of linear guide 9, and linear guide 9 is used for driving laser displacement sensor 10 and removes, adjusts laser displacement sensor 10's position to the change condition of body when detecting the anti exogenic test of pipe inner wall and the anti exogenic test of pipe outer wall.
Illustratively, the connecting piece 11 includes a third spring 12, a tube sleeve 13, and a connecting piece 14 capable of abutting against the taper tube 2031, one end of the third spring 12 is fixedly connected with the inner wall of the hollow tube 206, the other end of the third spring 12 is fixedly connected with the connecting piece 14, the tube sleeve 13 is slidably inserted on the side wall of the hollow tube 206, the connecting piece 14 is fixedly connected with the tube sleeve 13, and the first pressure sensor 201 is disposed in the tube sleeve 13.
It should be noted that, the sliding fit position of the tube sleeve 13 and the hollow tube 206 is provided with a sealing pad, so that the plugging position of the hollow tube 206 and the tube sleeve 13 can be effectively prevented from being externally connected with exhaust gas during the air tightness detection.
By adopting the scheme, when the connecting piece 14 is extruded by the vertebral canal, the connecting piece 14 pushes the first pressure sensor 201 to move towards the direction far away from the outer wall of the canal, the third spring 12 is compressed under stress, and when the conical canal 2031 is reset, the third spring 12 pushes the connecting piece 14 to reset, so that the first pressure sensor 201 is driven to reset, the use is facilitated when the next test is performed, and the operation of staff is facilitated.
Specifically, the mounting plate 205 is configured as a hollow plate, the mounting plate 205 is communicated with the hollow tube 206, the exhaust pipe of the fixing tube 2032 penetrates through the side portion of the mounting plate 205, and an exhaust valve is arranged on the exhaust pipe of the fixing tube 2032, after detection is completed, the air pump is closed, the exhaust valve is opened, the first spring 2033 can pull the taper tube 2031 to reset, air in the fixing tube 2032 is exhausted, decompression of the connecting sheet 14 is released, and the third spring 12 drives the first pressure sensor 201 to reset.
In summary, when the centrifugal tube is subjected to external force resistance detection, the centrifugal tube is sleeved on the in-tube detection assembly 2 through the mechanical arm, the inner wall of the centrifugal tube is abutted against the transmission rod 501 in the process of sleeving the centrifugal tube, one end of the transmission rod 501 is tilted to drive the push rod 502 to move upwards at the riveting point, the other end of the push rod 502 pushes the movable plate 402 to extrude the air bag 204, the air bag 204 deforms to be tightly attached to the tube wall of the centrifugal tube, the fixation of the centrifugal tube can be completed, then the electric push rod 202 works to drive the fixed centrifugal tube to move to the area of the out-tube detection assembly 3, the motor 302 works to drive the screw 303 to rotate, so that the two screw bases 304 relatively move along the guide groove 301 to clamp the centrifugal tube, the motor 302 continues to work, the screw bases 304 drive the second sensor to contact the centrifugal tube to continuously pressurize, the influence of external extrusion on the tube body is simulated, and external force resistance detection can be performed on the outer wall of the centrifugal tube;
After the gas enters the fixed tube 2032, the gas pushes the taper tube 2031 to move along the fixed tube 2032, the taper tube 2031 presses the connecting sheet 14 in the moving process, so that the connecting sheet 14 pushes the pipe sleeve 13 to drive the first pressure sensor 201 to be attached to the inner wall of the centrifuge tube, when the gas is continuously introduced, the taper tube 2031 moves, the induction part of the first pressure sensor 201 pressurizes the inner wall of the centrifuge tube, the inner wall of the centrifuge tube is subjected to external force resistance detection, the air inlet pipe of the air outlet pipe pushes the turnover plate open, so that the taper tube 2031 is communicated with the air outlet pipe, the air is injected into the centrifuge tube, the third pressure sensor 15 detects the air pressure in the centrifuge tube, the air pressure in the centrifuge tube can be detected while the inner wall of the centrifuge tube is subjected to external force resistance detection, and if the air pressure is reduced or the air pressure is unchanged, the condition that the air leakage required by the tube body is determined by comparison of data transmitted by the first pressure sensor 201 in a node where the condition occurs continuously;
The structure can detect the external force resistance of the outer wall and the inner wall of the centrifuge tube, can detect the external force resistance of a single-directional project and the inner wall and the outer wall of the centrifuge tube simultaneously, can detect the air tightness of the tube body of the centrifuge tube in the detection process, can determine the external force applied to the centrifuge tube when the tube wall of the centrifuge tube breaks and leaks, and can effectively improve the detection quality;
When the screw rod seat 304 drives the clamping piece 7 to clamp the centrifugal tube, the elastic piece 702 is attached to the surface of the centrifugal tube, the elastic piece 702 deforms and is coated on the wall of the centrifugal tube, and when in-tube external force resistance detection, the centrifugal tube can be coated and fixed, so that the stability of the detection process is ensured;
When the second pressure sensor 305 continuously increases the pressure to the centrifugal tube, the elastic piece 702 can increase along with the pressure increase, increase the contact area with the centrifugal tube and match with the clamping plate 701, so that the fixing effect can be increased, and the situation of torsion when the centrifugal tube is stressed greatly can be effectively prevented.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention in essence of the corresponding technical solutions.
Claims (10)
1. The novel environment-friendly material centrifuge tube external force resistance detection device comprises a machine table, and is characterized in that a manipulator is fixedly arranged on the machine table, is used for grabbing a centrifuge tube and is placed on an in-tube detection assembly;
The machine table is respectively provided with an in-pipe detection assembly and an out-pipe detection assembly;
The in-tube detection assembly is used for detecting stress on the inner wall of the centrifuge tube;
the outer tube detection component is used for detecting the stress of the outer tube wall of the centrifugal tube;
The in-pipe detection assembly comprises a first pressure sensor, an electric push rod, a telescopic part and an air bag capable of fixing a centrifuge tube, wherein the telescopic end of the electric push rod is fixedly connected with a mounting plate, the mounting plate is far away from one side of the electric push rod, which is fixedly connected with a hollow tube, a fixing part used for fixing the centrifuge tube is arranged on the hollow tube, the air bag is slidably sleeved on the hollow tube, the first pressure sensor is installed in the hollow tube through a connecting part, the detection head of the first pressure sensor is located on the outer side of the hollow tube, and the telescopic part is installed in the hollow tube and can drive the first pressure sensor to move.
2. The novel environment-friendly material centrifuge tube external force resistance detection device according to claim 1, wherein the external force resistance detection assembly comprises a guide groove and a motor, the motor is fixedly arranged at the upper end of the guide groove, a screw rod is rotatably arranged in the guide groove, the output end of the motor is in transmission connection with the screw rod, two screw rod seats which move relatively are arranged on the screw rod in a threaded manner, and a second pressure sensor is arranged on the screw rod seat through a connecting plate.
3. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that the telescopic piece comprises a taper tube and a fixed tube, the taper tube is slidably arranged in the fixed tube, the fixed tube is arranged in the hollow tube, a first spring is fixedly connected in the fixed tube, the other end of the first spring is fixedly connected with the taper tube, and one end of the taper tube of the fixed tube principle is communicated with an air pump.
4. The device for detecting external force resistance of the novel environment-friendly material centrifugal tube is characterized in that the fixing piece comprises a fixing plate, a movable plate and a connecting rod mechanism, wherein the fixing plate is fixedly arranged on the hollow tube, the air bag is fixedly arranged on the fixing plate, the movable plate is slidably arranged on the hollow tube, one side of the movable plate is fixedly connected with the air bag, the connecting rod mechanism is in transmission connection with the movable plate, and the connecting rod mechanism is arranged on the hollow tube.
5. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that the connecting rod mechanism comprises a transmission rod and a pushing rod, the transmission rod is hinged to the hollow tube, the transmission rod is movably riveted with the pushing rod, one end of the pushing rod is hinged to the movable plate, and the transmission rod can be abutted to the inner wall of the hollow tube.
6. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube according to claim 5, wherein the clamping piece is fixedly arranged on the connecting plate and comprises a clamping plate and an elastic piece, the elastic piece can be in contact with the centrifugal tube, the elastic piece is arranged on the side part of the clamping plate, and the clamping plate is arranged on the connecting plate.
7. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that a rotatable turnover plate is arranged at the top of the taper tube, an air outlet tube is communicated with one side, away from the mounting plate, of the hollow tube, a third pressure sensor for detecting air pressure is fixedly arranged at the end part of the hollow tube, the air outlet tube can be abutted against the turnover plate, and a second spring for driving the turnover plate to reset is fixedly connected to the side part of the turnover plate.
8. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that a support is fixedly arranged on the machine table, a linear guide rail is fixedly arranged on the support, and a laser displacement sensor is fixedly arranged on a sliding part of the linear guide rail.
9. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that the connecting piece comprises a third spring, a tube sleeve and a connecting piece which can be abutted against the taper tube, one end of the third spring is fixedly connected with the inner wall of the hollow tube, the other end of the third spring is fixedly connected with the connecting piece, the tube sleeve is slidably inserted on the side wall of the hollow tube, the connecting piece is fixedly connected with the tube sleeve, and the first sensor is arranged in the tube sleeve.
10. The device for detecting the external force resistance of the novel environment-friendly material centrifugal tube is characterized in that the mounting plate is a hollow plate, the mounting plate is communicated with the hollow tube, the exhaust pipe of the fixed tube penetrates through the side part of the mounting plate, and an exhaust valve is arranged on the exhaust pipe of the fixed tube.
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| CN202511443150.4A CN120890813B (en) | 2025-10-10 | 2025-10-10 | Novel external force resistance detection device for environment-friendly material centrifuge tube |
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| CN202511443150.4A CN120890813B (en) | 2025-10-10 | 2025-10-10 | Novel external force resistance detection device for environment-friendly material centrifuge tube |
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| CN120890813B (en) | 2025-12-12 |
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