CN113640137B - Constant-speed tensile test experiment table for orthodontic periodontal ligament - Google Patents

Constant-speed tensile test experiment table for orthodontic periodontal ligament Download PDF

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Publication number
CN113640137B
CN113640137B CN202110530865.9A CN202110530865A CN113640137B CN 113640137 B CN113640137 B CN 113640137B CN 202110530865 A CN202110530865 A CN 202110530865A CN 113640137 B CN113640137 B CN 113640137B
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China
Prior art keywords
fixedly arranged
buffer
fixed
seat
base
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CN113640137A (en
Inventor
王丽颖
李珏丹
吴凡
刘琛
宋扬
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Hospital of Stomatology of Xian Jiaotong University
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Hospital of Stomatology of Xian Jiaotong University
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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
    • G01N3/18—Performing tests at high or low temperatures
    • 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
    • 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
    • G01N3/04—Chucks
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0017—Tensile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0044—Pneumatic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0222—Temperature
    • G01N2203/0226—High temperature; Heating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test
    • G01N2203/0236—Other environments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/04—Chucks, fixtures, jaws, holders or anvils

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention relates to the technical field of oral cavity tooth mechanics tests, in particular to an oral cavity orthodontic periodontal ligament constant-speed tensile test experiment table which comprises a base, wherein an insulation box body is fixedly arranged on the base, two sliding rails are fixedly arranged on the base, a fixed seat is fixedly arranged on the base, a range finder is fixedly arranged on the fixed seat, two sliding rails are slidably connected with a movable seat, a tension sensor is fixedly arranged on the fixed seat, clamp assemblies are fixedly arranged on the tension sensor and the movable seat, a liquid storage box is fixedly arranged on the base, a liquid injection pipeline is fixedly arranged on the liquid storage box, a pump body is fixedly arranged on a water inlet pipe, a plurality of connecting pipes are fixedly arranged on a water outlet pipe at equal intervals, a plurality of arc-shaped atomizing spray heads are fixedly arranged on the connecting pipes, and two heating rods are fixedly arranged on the insulation box body. According to the invention, on the basis of a common test experiment table, the temperature and humidity adjusting, fixing, buffering and adjusting devices are arranged, so that convenience, applicability, fixing effect and accuracy are improved.

Description

Constant-speed tensile test experiment table for orthodontic periodontal ligament
Technical Field
The invention relates to the technical field of oral cavity tooth mechanics tests, in particular to an oral cavity orthodontic periodontal ligament constant-speed tensile test experiment table.
Background
Orthodontic refers to the direct or indirect action of orthodontic forces on teeth and their supporting tissues, thereby causing a series of tissue biochemical reactions, and achieving the purpose of tooth movement, in which orthodontic forces are external inducers of tooth movement, and periodontal ligament biomechanical responses are determinants of tooth movement and tooth movement speed. Periodontal ligament belongs to biological soft tissue, and its mechanical properties are distinct from those of hardware. Therefore, the research on the biomechanical property of periodontal ligament is of great importance.
At present, experiments are directly carried out in a laboratory on the biomechanical properties of periodontal membranes, and the defects of inaccurate experimental results and poor fixing effect exist.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides an orthodontic periodontal ligament constant-speed tensile test experiment table which has the functions of temperature and humidity regulation, fixing and buffering and solves the problems of inaccurate experimental results and poor fixing effect.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an orthodontic periodontal ligament constant speed tensile test laboratory bench, includes the base, the fixed insulation box that is equipped with in centre of base upper surface, one side of base upper surface is fixed and is equipped with two slide rails, one side of keeping away from the slide rail is fixed and is equipped with the fixing base, one side of fixing base is fixed and is equipped with the distancer, two slide rail sliding connection is equipped with removes the seat, it is equipped with the drive assembly that makes it produce the displacement to remove to fix between seat and the fixing base, the fixing base is fixed and is equipped with tension sensor, tension sensor's one side and removal seat are all fixed and are equipped with the anchor clamps subassembly, one side of keeping away from the insulation box on the base upper surface is fixed and is equipped with the liquid reserve tank, one side of liquid reserve tank is fixed and is equipped with annotating the liquid pipeline, the liquid reserve tank is fixed and is equipped with the inlet tube, the one end that the liquid reserve tank was kept away from to the inlet tube is fixed and is equipped with the pump body, and pump body and insulation box fixed connection, the delivery port of pump body is fixed and is equipped with the outlet pipe, the fixed a plurality of connecting pipes that are equipped with the connecting pipes equidistance, the one end all runs through insulation box and extends to the inside of insulation box and is equipped with the connector, connector equal angle is fixed and is equipped with two arc heating bars of insulation top fixed insulation top.
Preferably, two sliding connections are equipped with the buffering and removes the seat in one side sliding connection that the seat was kept away from to the slide rail, the buffering removes one side of seat and is fixed and be equipped with the buffering subassembly, the buffering removes one side that the seat was kept away from the buffering subassembly and is fixed and be equipped with the fixed block, the fixed block cup joints and has been equipped with the spliced pole, the upper surface equidistance of base is equipped with a plurality of grafting grooves corresponding with the spliced pole, the fixed connection pad that is equipped with of one end of spliced pole, fixed being equipped with the spring between connection pad and the fixed block, the fixed pull ring that is equipped with in centre of connection pad upper surface.
Preferably, a control terminal is fixedly arranged on one side, far away from the liquid storage tank, of the upper surface of the base.
Preferably, a temperature sensor is fixedly arranged on one side of the inner wall of the heat preservation box body, and a humidity sensor is fixedly arranged on one side of the inner wall of the heat preservation box body away from the temperature sensor.
Preferably, the driving assembly adopts an SC standard cylinder.
Preferably, one side of the heat insulation box body is rotatably connected with two box doors through a hinge, and the box doors are fixedly provided with observation covers.
Preferably, the fixture assembly comprises a mounting plate, one side of mounting plate is equi-angle to be equipped with a plurality of mounting grooves, the both sides of mounting groove inner wall all are equipped with the spacing groove, one side of mounting groove inner wall all is equipped with runs through the spout, the inner wall of mounting groove all is equipped with the clamping seat, and clamping seat's both sides all are fixed be equipped with spacing groove corresponding spacing, the equal sliding connection of inner wall that runs through the spout is equipped with the slider, and slider respectively with clamping seat fixed connection, the mounting plate equi-angle rotates to be connected and is equipped with a plurality of transmission posts, the one end of transmission post is all fixed and is equipped with interior hexagonal regulating seat, the one end that interior hexagonal regulating seat was kept away from to the transmission post all runs through the mounting plate and extends to the inside of mounting plate and is fixed be equipped with the conical gear, and a plurality of conical gear looks tooth meet, one side of transmission post all is fixed and is equipped with the worm, one side of slider all is equipped with the recess corresponding with the worm.
Preferably, the buffering subassembly includes the buffering mount pad, buffering mount pad and buffering remove seat fixed connection, one side of buffering mount pad is equipped with two recesses, the inner wall of recess is all fixed to be equipped with the buffer post, the equal sliding connection of buffer post is equipped with the buffering movable block, one side of buffering movable block is all rotated and is connected and is equipped with the buffering connecting plate, one side that the buffering movable block was kept away from to the buffering connecting plate is all rotated and is connected and be equipped with the buffering fixed block, two the buffering fixed block is fixed and is equipped with the buffer board, one side of buffering mount pad is fixed and is equipped with the buffering rubber post, all be fixed between the inner wall of buffering movable block and recess is equipped with buffer spring, and buffer spring cup joints mutually with the buffer post respectively.
Compared with the prior art, the invention has the beneficial effects that: the movable seat can move on the sliding rail more stably by arranging the driving component adopting the SC standard cylinder; under the action of the clamp assembly, the fixing effect on the periodontal ligament is greatly improved, the falling-off phenomenon in the stretching process is effectively avoided, and the periodontal ligament can be adjusted according to the size of the periodontal ligament, so that the applicability is improved; through setting up buffer unit, can cushion the movable seat when the periodontal ligament breaks, under the effect of fixed block, spliced pole, spliced groove, connection pad, spring and pull ring, can adjust the position of buffering movable seat as required, prevent to appear influencing the phenomenon of experimental result; the device is matched with a temperature sensor and a humidity sensor under the action of a liquid storage tank, a water inlet pipe, a pump body, a water outlet pipe, a connecting pipe, a connector, an arc-shaped atomizing nozzle and a heating rod, so that the environment of periodontal ligament in an oral cavity can be better simulated, and the accuracy of experimental results is further improved; under the action of the tension sensor and the range finder, data can be transmitted to the control terminal in real time for display; by arranging the heat-insulating box body and the box door, heat dissipation can be effectively avoided, and energy waste is avoided; through setting up the observation cover, the staff of being convenient for observes the process of experiment in real time.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a front view of an orthodontic periodontal ligament constant-speed tensile test bench according to the present invention;
fig. 2 is a front cross-sectional view of an orthodontic periodontal ligament constant-speed tensile test bench according to the present invention;
fig. 3 is a side sectional view of an orthodontic periodontal ligament constant-speed tensile test bench according to the present invention;
fig. 4 is a front view of the internal structure of the insulation box of the constant-speed tensile test experiment table for orthodontic periodontal ligament provided by the invention;
fig. 5 is a split view of a fixture assembly of an orthodontic periodontal ligament constant-speed tensile test bench according to the present invention;
fig. 6 is a front view of a liquid storage tank of an orthodontic periodontal ligament constant-speed tensile test experiment table according to the present invention;
fig. 7 is a front view of a buffer assembly of an orthodontic periodontal ligament constant-speed tensile test bench according to the present invention.
In the figure: 1 base, 2 slide rail, 3 fixed seat, 4 thermal insulation box, 5 moving seat, 6 driving component, 7 tension sensor, 8 clamp component, 9 buffer moving seat, 10 buffer component, 11 fixed block, 12 plug column, 13 plug slot, 14 connecting disc, 15 spring, 16 pull ring, 17 liquid storage box, 18 water inlet pipe, 19 pump body, 20 water outlet pipe, 21 connecting pipe, 22 connector, 23 arc atomizing nozzle, 24 heating rod, 25 temperature sensor, 26 humidity sensor, 27 control terminal, 28 box door, 29 observation cover, 30 liquid injection pipeline, 31 range finder, 801 mounting plate, 802 mounting groove, 803 limit groove, 804 penetrating chute, 805 clamping seat, 806 slider, 807 driving column, 808 conical gear, worm 809, 810 inner hexagonal adjusting seat, 1001 buffer mounting seat, 1002 groove, 1003 buffer column, 1004 buffer moving block,
1005 buffer connection plate, 1006 buffer fixing block, 1007 buffer plate, 1008 buffer rubber column, 1009 buffer spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-7, an orthodontic periodontal ligament constant speed tensile test experiment table comprises a base 1, the middle of base 1 upper surface is fixed and is equipped with insulation box 4, one side of base 1 upper surface is fixed and is equipped with two slide rails 2, one side that slide rail 2 was kept away from to base 1 upper surface is fixed and is equipped with fixing base 3, one side of fixing base 3 is fixed and is equipped with distancer 31, two slide rail 2 sliding connection are equipped with and remove seat 5, it is equipped with the drive assembly 6 that makes it produce the displacement to remove to fix between seat 5 and the fixing base 3, fixing base 3 is fixed and is equipped with tension sensor 7, one side of tension sensor 7 and remove seat 5 all are fixed and are equipped with anchor clamps subassembly 8, one side that insulation box 4 was kept away from to base 1 upper surface is fixed and is equipped with liquid reserve tank 17, one side of liquid reserve tank 17 is fixed and is equipped with annotating liquid pipeline 30, liquid reserve tank 17 is fixed and is equipped with inlet tube 18, one end that liquid reserve tank 17 was kept away from to liquid reserve tank 17 is fixed and is equipped with pump body 19, and pump body 19 and insulation box 4 fixed connection, the outlet tube 20 is equipped with outlet tube 20, a plurality of connecting tubes 21 are fixed equidistance, one end of connecting tube 21 all runs through box 4 to extend to inside connector 4 to insulation box 4 and is equipped with equal joint 22, and is equipped with a plurality of arc-shaped heating rod top portion of insulation box 24, two insulation box 24 are fixed with insulation box inner wall 23.
Specifically, one side sliding connection that two slide rails 2 kept away from and remove seat 5 is equipped with buffering and removes seat 9, and buffering removes the fixed buffer assembly 10 that is equipped with in one side that seat 9 was removed in the buffering, and buffering removes seat 9 and is equipped with fixed block 11 in one side that buffer assembly 10 was kept away from, and fixed block 11 cup joints and is equipped with grafting post 12, and the upper surface equidistance of base 1 is equipped with a plurality of grafting grooves 13 corresponding with grafting post 12, and the fixed connection pad 14 that is equipped with of one end of grafting post 12, fixed spring 15 that is equipped with between connection pad 14 and the fixed block 11, the fixed pull ring 16 that is equipped with in centre of connection pad 14 upper surface.
Specifically, a control terminal 27 is fixedly arranged on one side of the upper surface of the base 1 away from the liquid storage tank 17.
Specifically, a temperature sensor 25 is fixedly arranged on one side of the inner wall of the insulation box body 4, and a humidity sensor 26 is fixedly arranged on one side of the inner wall of the insulation box body 4 away from the temperature sensor 25.
Specifically, the driving assembly 6 adopts an SC standard cylinder.
Specifically, one side of the insulation box body 4 is rotatably connected with two box doors 28 through a hinge, and the box doors 28 are fixedly provided with observation covers 29.
Specifically, the fixture assembly 8 includes the mounting plate 801, one side equiangle of mounting plate 801 is equipped with a plurality of mounting grooves 802, the both sides of mounting groove 802 inner wall all are equipped with spacing groove 803, one side of mounting groove 802 inner wall all is equipped with runs through spout 804, the inner wall of mounting groove 802 all is equipped with clamping seat 805, and the both sides of clamping seat 805 all are fixed be equipped with spacing corresponding with spacing groove 803, the equal sliding connection of inner wall that runs through spout 804 is equipped with slider 806, and slider 806 respectively with clamping seat 805 fixed connection, the equiangular rotation of mounting plate 801 is connected and is equipped with a plurality of transmission posts 807, the one end of transmission post 807 is all fixed and is equipped with interior hexagonal regulating seat 810, the one end that interior hexagonal regulating seat 810 was kept away from to transmission post 807 all runs through mounting plate 801 and extends to the inside of mounting plate 801 and is fixed be equipped with pinion 808, and a plurality of pinion 808 looks tooth are connected, one side of transmission post 807 all is fixed and is equipped with worm 809, one side of slider 806 all is equipped with the recess corresponding with worm 809.
Specifically, the buffer assembly 10 includes the buffer mount pad 1001, buffer mount pad 1001 and buffer remove seat 9 fixed connection, one side of buffer mount pad 1001 is equipped with two recess 1002, the inner wall of recess 1002 is all fixed and is equipped with the buffer post 1003, the equal sliding connection of buffer post 1003 is equipped with buffer movable block 1004, one side of buffer movable block 1004 all rotates to be connected and is equipped with buffer connecting plate 1005, one side that buffer connecting plate 1005 kept away from buffer movable block 1004 all rotates to be connected and is equipped with buffer fixed block 1006, two buffer fixed block 1006 are fixed and are equipped with the buffer plate 1007, one side of buffer mount pad 1001 is fixed and is equipped with buffer rubber post 1008, all be fixed between buffer movable block 1004 and the inner wall of recess 1002 is equipped with buffer spring 1009, and buffer spring 1009 cup joints mutually with buffer post 1003 respectively.
The application principle and the application flow of the invention are as follows: the worker opens the box door 28, places the periodontal ligament to be tested between the two clamp assemblies 8, rotates the inner hexagonal adjusting seat 810 by using a tool to start rotating the transmission column 807, drives the clamping seat 805 to start moving under the action of the worm 809 until the periodontal ligament is clamped, controls the driving assembly 6 to start working to adjust the moving seat 5 to a proper position by using the control terminal 27, completes the fixation of the periodontal ligament, pulls the pull ring 16 to separate the plug-in column 12 from the plug-in groove 13, pushes the buffer moving seat 9 until the buffer moving seat is moved to a proper position and closes the box door 28, and inputs proper amount of liquid into the liquid storage tank 17 by the action of the liquid injection pipeline 30 by the worker, then inputs related data on the control terminal 27, the control terminal 27 controls the pump body 19 to start working to inject the liquid in the liquid storage tank 17 into the connector 22 sequentially through the water inlet pipe 18, the water outlet pipe 20 and the connecting pipe 21, finally the liquid is sprayed out through the arc-shaped atomizing nozzle 23, meanwhile, the heating rod 24 starts working to adjust the temperature inside the heat insulation box body 4, the temperature and the humidity of the inner wall of the heat insulation box body 4 reach a preset range under the action of the temperature sensor 25 and the humidity sensor 26 and are maintained for a period of time, then the control terminal 27 controls the driving component 6 to start working to enable the movable seat 5 to start moving, experimental data are transmitted to the control terminal 27 in real time under the action of the tension sensor 7 and the range finder 31 to be displayed, the movable seat 5 continues to move under the action of inertia after periodontal film fracture, the buffer spring 1009 generates deformation to absorb energy under the pushing of the buffer fixing block 1006 and the buffer connecting plate 1005 when the periodontal film is contacted with the buffer plate 1007, at the same time, the cushion rubber column 1008 also begins to deform to absorb energy.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides an orthodontic periodontal ligament constant speed tensile test laboratory bench, includes base (1), its characterized in that, the centre of base (1) upper surface is fixed and is equipped with insulation box (4), one side of base (1) upper surface is fixed and is equipped with two slide rails (2), one side that slide rail (2) were kept away from to base (1) upper surface is fixed and is equipped with fixing base (3), one side of fixing base (3) is fixed and is equipped with distancer (31), two slide rail (2) sliding connection is equipped with removes seat (5), it is equipped with drive assembly (6) that makes its production displacement to remove between seat (5) and fixing base (3), fixing base (3) are fixed and are equipped with tension sensor (7), one side and the removal seat (5) of tension sensor (7) are all fixed and are equipped with anchor clamps subassembly (8), one side that insulation box (4) were kept away from to base (1) upper surface is fixed and is equipped with liquid reserve tank (17), one side of liquid reserve tank (17) is fixed and is equipped with annotate liquid pipeline (30), liquid reserve tank (17) are fixed and are equipped with inlet tube (18), liquid reserve tank (18) are fixed and are equipped with inlet tube (18), liquid reserve tank (17) are kept away from pump body (19) and are fixed and are equipped with pump body (19) and are fixed connection (19), the water outlet of the pump body (19) is fixedly provided with a water outlet pipe (20), the water outlet pipe (20) is fixedly provided with a plurality of connecting pipes (21) at equal intervals, one ends of the connecting pipes (21) penetrate through the heat insulation box body (4) and extend to the inside of the heat insulation box body (4) and are rotatably connected with a connector (22), a plurality of arc-shaped atomizing nozzles (23) are fixedly arranged at equal angles of the connector (22), and two heating rods (24) are fixedly arranged at the top of the inner wall of the heat insulation box body (4);
two sliding rails (2) are connected with one side of the movable seat (5) in a sliding manner, a buffering movable seat (9) is arranged on one side of the buffering movable seat (9), a buffering assembly (10) is fixedly arranged on one side of the buffering movable seat (9) away from the buffering assembly (10), a fixed block (11) is fixedly arranged on one side of the buffering movable seat (9), a plug-in column (12) is sleeved on the fixed block (11), a plurality of plug-in grooves (13) corresponding to the plug-in column (12) are equidistantly formed in the upper surface of the base (1), a connecting disc (14) is fixedly arranged at one end of the plug-in column (12), a spring (15) is fixedly arranged between the connecting disc (14) and the fixed block (11), and a pull ring (16) is fixedly arranged in the middle of the upper surface of the connecting disc (14);
a temperature sensor (25) is fixedly arranged on one side of the inner wall of the heat preservation box body (4), and a humidity sensor (26) is fixedly arranged on one side of the inner wall of the heat preservation box body (4) far away from the temperature sensor (25);
the fixture assembly (8) comprises a mounting plate (801), a plurality of mounting grooves (802) are formed in one side of the mounting plate (801) at equal angles, limit grooves (803) are formed in two sides of the inner wall of the mounting groove (802), penetrating sliding grooves (804) are formed in one side of the inner wall of the mounting groove (802), clamping seats (805) are formed in the inner wall of the mounting groove (802), limit strips corresponding to the limit grooves (803) are fixedly arranged on two sides of the clamping seats (805), sliding blocks (806) are slidably connected on the inner wall of the penetrating sliding grooves (804), the sliding blocks (806) are fixedly connected with the clamping seats (805) respectively, a plurality of transmission columns (807) are fixedly arranged at one ends of the transmission columns (807) at equal angles, inner hexagonal adjusting seats (810) are fixedly arranged at one ends of the transmission columns (807) away from the inner hexagonal adjusting seats (801), penetrating through the mounting plate (801) to the inside of the mounting plate (801) and fixedly provided with conical gears (808), the conical gears (808) are fixedly arranged at one sides of the transmission columns (809), and worm screws (809) are fixedly arranged at one sides of the transmission columns (809);
the buffer assembly (10) comprises a buffer mounting seat (1001), the buffer mounting seat (1001) is fixedly connected with a buffer moving seat (9), two grooves (1002) are formed in one side of the buffer mounting seat (1001), buffer columns (1009) are fixedly arranged on the inner walls of the grooves (1002), buffer moving blocks (1004) are slidably connected with the buffer columns (1003), buffer connecting plates (1005) are rotatably connected to one sides of the buffer moving blocks (1004), buffer fixing blocks (1006) are rotatably connected to one sides of the buffer connecting plates (1005) far away from the buffer moving blocks (1004), buffer plates (1007) are fixedly arranged on the two sides of the buffer mounting seat (1001), buffer rubber columns (1008) are fixedly arranged on one sides of the buffer mounting seat (1001), buffer springs (1009) are fixedly arranged between the buffer moving blocks (1004) and the inner walls of the grooves (1002), and the buffer springs (1009) are sleeved with the buffer columns (1003) respectively.
2. The constant-speed tensile test experiment table for orthodontic periodontal ligament according to claim 1, wherein a control terminal (27) is fixedly arranged on one side of the upper surface of the base (1) far away from the liquid storage tank (17).
3. The constant-speed tensile test experiment table for orthodontic periodontal ligament according to claim 2, wherein the driving assembly (6) adopts an SC standard cylinder.
4. The constant-speed tensile test experiment table for orthodontic periodontal ligament according to claim 3, wherein two box doors (28) are rotatably connected to one side of the heat insulation box body (4) through hinges, and the box doors (28) are fixedly provided with observation covers (29).
CN202110530865.9A 2021-05-15 2021-05-15 Constant-speed tensile test experiment table for orthodontic periodontal ligament Active CN113640137B (en)

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CN113640137B true CN113640137B (en) 2024-01-19

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104483198A (en) * 2014-12-29 2015-04-01 东南大学 Constant-speed expansion test experiment table for periodontal membrane in orthodontics
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