CN111551435B - Mobile true triaxial apparatus for soil test - Google Patents
Mobile true triaxial apparatus for soil test Download PDFInfo
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- CN111551435B CN111551435B CN202010400655.3A CN202010400655A CN111551435B CN 111551435 B CN111551435 B CN 111551435B CN 202010400655 A CN202010400655 A CN 202010400655A CN 111551435 B CN111551435 B CN 111551435B
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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
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a mobile true triaxial apparatus for soil testing, which comprises a true triaxial apparatus body, wherein an adjustable mobile supporting device is arranged at the lower end of the true triaxial apparatus body, the adjustable mobile supporting device comprises a mobile bottom plate, mobile universal wheels are arranged at four top corners of the lower end of the bottom plate, lifting supporting structures are arranged at four top corners of the upper end of the mobile bottom plate, the lower end of each lifting supporting structure is fixedly connected with the mobile bottom plate through a damping structure, lifting adjusting driving mechanisms are jointly arranged at the upper ends of the inner sides of the four lifting supporting structures, and a supporting and stabilizing structure is arranged at the upper end of the mobile bottom plate. In the invention, the height of the true triaxial apparatus body can be adjusted through the common matching of the lifting support structure and the lifting adjustment driving mechanism, so that a user can adjust the height according to the self requirement, the soil detection work is greatly facilitated, and the movable bottom plate, the movable universal wheels and the support stabilizing structure are matched together, so that the movable bottom plate can move freely and is convenient to fix.
Description
Technical Field
The invention belongs to the field of civil engineering, and particularly relates to a movable true triaxial apparatus for soil testing.
Background
In the technical field of soil detection, mechanical detection of soil is often required, a true triaxial apparatus is one of apparatuses for soil research and detection, and the true triaxial apparatus can simulate the three-dimensional stress state of a foundation soil body and independently change the magnitude of three main stresses on a sample so as to determine the strength and deformation characteristics of the soil. Current true triaxial appearance is placed on fixed height's table surface when using, and its altitude mixture fixation can not be adjusted, and the user can not adjust according to self demand, and it is inconvenient to move and remove, and humanized degree is not high, can't bring better use for the user and experience.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a mobile true triaxial apparatus for soil test, which can adjust the height of a true triaxial apparatus body through the common cooperation of a lifting support structure and a lifting adjustment driving mechanism, so that a user can adjust the height according to the requirement of the user, the soil detection work is greatly facilitated, and the movable true triaxial apparatus can move freely and is convenient to fix through the common cooperation of a movable bottom plate, a movable universal wheel and a support stabilizing structure.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a real triaxial apparatus is used in test of portable soil, includes real triaxial apparatus body, and real triaxial apparatus body lower extreme is fixed with connecting plate, its characterized in that: the lower end of the connecting plate is provided with an adjustable movable supporting device;
the adjustable movable supporting device comprises a movable bottom plate, movable universal wheels are mounted at four top corners of the lower end of the bottom plate, lifting supporting structures are mounted at four top corners of the upper end of the movable bottom plate, the lower end of each lifting supporting structure is fixedly connected with the movable bottom plate through a damping structure, lifting adjusting driving mechanisms are mounted at the upper ends of the inner sides of the four lifting supporting structures together, and a supporting stable structure is mounted at the upper end of the movable bottom plate;
the lifting support structure comprises a square support tube, a sliding groove is vertically formed in the upper end of the inner side of the square support tube downwards, a connecting square plate is arranged at the lower end of the square support tube and fixedly connected with the damping structure, a lifting support square column is connected in the square support tube in a sliding mode, a connecting flange is arranged at the upper end of the lifting support square column and fixedly connected with the lower end of the connecting plate, a lifting rack is arranged on the inner side of the lifting support square column, and the side wall of the lifting rack is connected with the sliding groove in a sliding mode;
the lifting adjusting driving mechanism comprises two longitudinal beams which are symmetrically distributed left and right and two transverse beams which are symmetrically distributed front and back, the longitudinal beams and the transverse beams are fixedly connected with the upper end of the inner side of the square supporting tube, the longitudinal beams on the two sides are jointly connected with a front rotating rod and a back rotating rod in a penetrating manner, the two ends of the front rotating rod and the back rotating rod both penetrate through the longitudinal beams in a sliding manner and are connected with a first gear, the outer side of the first gear is connected with a lifting rack in a meshing manner, a first turbine is connected with one position of the front rotating rod, a second turbine is connected with one position of the back rotating rod, the lower end of the first turbine is connected with a first worm in a meshing manner, the front end of the first worm is rotationally connected with the transverse beam on the front side, a first connecting transverse rod is arranged at the rear end of the first worm, and a third gear is connected with the first connecting transverse rod, the rear end of the first connecting cross rod is rotatably connected with a transverse cross beam on the rear side, the lower end of a second worm wheel is connected with a second worm in a meshed mode, the rear end of the second worm is rotatably connected with the transverse cross beam on the rear side, a second connecting cross rod is arranged at the front end of the second worm, a fourth gear in a meshed mode is connected onto the second connecting cross rod, the front end of the second connecting cross rod is rotatably connected with the transverse cross beam on the front side, a first bevel gear is connected to one position of the second connecting cross rod, the lower end of the first bevel gear is connected with a second bevel gear in a meshed mode, the lower end of the second bevel gear is connected with a driving motor, the lower end of the driving motor is connected with a mounting transverse plate, connecting vertical plates are arranged on the front side and the rear side of the upper end of the mounting transverse plate, and the upper end of each connecting vertical plate is fixedly connected with the transverse cross beam;
the supporting and stabilizing structure comprises a cross connecting plate, supporting frames are perpendicularly arranged on the lower sides of four ends of the cross connecting plate, a through groove matched with the supporting frames in a sliding mode is vertically formed in the movable bottom plate in a penetrating mode, a thread vertical rod is vertically connected to the center of the cross connecting plate in a penetrating mode, the lower end of the thread vertical rod is rotatably connected with the upper end of the movable bottom plate, the upper end of the thread vertical rod slides to penetrate through an installation transverse plate and is connected with a third turbine, a third worm is meshed with one side of the third turbine, and the front end of the third worm slides to penetrate through a connecting vertical plate on the front side and is connected with a hand-cranking wheel.
Further, shock-absorbing structure includes damping member and last damping member down, four apex angle departments of removal bottom plate upper end all open have with square board sliding fit's of connection mounting groove, damping member is including the connecting plate down, the connecting plate becomes square structure, connecting plate lower extreme and mounting groove bottom fixed connection, square stay tube lower extreme is opened there is the connecting round hole, one side apex angle department that connecting plate upper end is close to the connecting round hole is connected with first damping spring down, first damping spring upper end is fixed with the spliced pole with connecting round hole fixed connection, connecting plate upper end other three apex angle departments all are fixed with shock attenuation connection pole setting, shock attenuation connection pole setting periphery cover is equipped with damping spring down under the second, damping spring upper end and connecting square board lower extreme fixed connection under the second, shock attenuation connection pole setting upper end slides and passes connecting square board and last damping member in close contact, it includes Y type limiting plate to go up the damping member, Y type limiting plate lower extreme is fixed with three group's upper damping spring, shock attenuation connection stay tube passes upper damping spring and Y type limiting plate lower extreme in close contact, upper end of shock attenuation connection pole setting passes the connecting plate and the square board lower extreme in close contact with the threaded connection of the screw thread, the screw thread connection bolt lower extreme is equipped with the screw thread connection connecting hole, the screw thread connection bottom plate is removed the connecting hole.
The invention has the beneficial effects that:
according to the invention, the height of the true triaxial apparatus body can be adjusted at will through the common matching of the lifting support structure and the lifting adjustment driving mechanism in the adjustable movable support device, so that a user can adjust the height according to the self requirement, the soil detection work is greatly facilitated, the movable bottom plate, the movable universal wheels and the support stabilizing structure in the adjustable movable support device are matched together, so that the soil detection device can move freely, the transition operation is facilitated, meanwhile, the soil detection device can be stably fixed on the ground without moving during work, the smooth soil detection work is ensured, and the soil detection device is convenient and simple to move, fix and adjust.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial sectional view of the construction of the present invention;
FIG. 3 is an exploded view of a portion of the structure of the present invention;
FIG. 4 is an exploded view of a portion of the structure of the present invention;
FIG. 5 is an exploded view of a portion of the structure of the present invention;
FIG. 6 is a schematic view of a partial structure of the present invention;
fig. 7 is an exploded view of a partial structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, the movable true triaxial apparatus for soil testing comprises a true triaxial apparatus body 1, a connecting plate 2 is fixed at the lower end of the true triaxial apparatus body 1, and an adjustable movable supporting device 3 is installed at the lower end of the connecting plate 2.
As shown in fig. 2, the adjustable movable supporting device 3 includes a movable bottom plate 31, a movable universal wheel 32 is installed at four top corners of the lower end of the bottom plate 31, a lifting supporting structure 33 is installed at four top corners of the upper end of the movable bottom plate 31, the lower end of the lifting supporting structure 33 is fixedly connected with the movable bottom plate 31 through a damping structure 34, a lifting adjusting driving mechanism 35 is installed at the upper end of the inner side of each of the lifting supporting structures 33, and a supporting stabilizing structure 36 is installed at the upper end of the movable bottom plate 31.
As shown in fig. 3, the lifting support structure 33 includes a square support tube 331, a sliding slot 3311 is vertically formed in the upper end of the inner side of the square support tube 331 downward, a connection square plate 3312 is disposed at the lower end of the square support tube 331, the connection square plate 3312 is fixedly connected with the damping structure 34, a lifting support square column 332 is slidably connected in the square support tube 331, a connection flange 3321 is disposed at the upper end of the lifting support square column 332, the connection flange 3321 is fixedly connected with the lower end of the connection plate 2, a lifting rack 3322 is disposed on the inner side of the lifting support square column 332, a side wall of the lifting rack 3322 is slidably connected with the sliding slot 3311, and the lifting rack 3322 extends out of the sliding slot 3311.
As shown in fig. 4 and 5, the damping structure 34 includes a lower damping member 341 and an upper damping member 342, four corners of the upper end of the movable bottom plate 31 are respectively provided with a mounting slot 311 slidably engaged with the connecting square plate 3312, the lower damping member 341 includes a connecting bottom plate 3415, the connecting bottom plate 3415 is formed into a square structure, the lower end of the connecting bottom plate 3415 is fixedly connected with the bottom of the mounting slot 311, the lower end of the square supporting tube 331 is provided with a connecting circular hole 3314, one side corner of the upper end of the connecting bottom plate 3415 near the connecting circular hole 3314 is connected with a first lower damping spring 3411, the upper end of the first lower damping spring 3411 is fixedly connected with a connecting post 2 fixedly connected with the connecting circular hole 3314, the other three corners of the upper end of the connecting bottom plate 3415 are respectively fixed with damping connecting upright posts 3413, a second lower damping spring upright 3414 is sleeved on the periphery of the damping connecting upright post 3413, the connecting square plate 3412 is provided with a first through hole 3413313 slidably engaged with the damping connecting upright post 3413, the upper end of a second lower damping spring 3414 is fixedly connected with the lower end of a connecting square plate 3312, the upper end of a damping connecting upright rod 3413 slides through a first through hole 3313 to be in close contact with an upper damping member 342, the upper damping member 342 comprises a Y-shaped limiting plate 3421, three groups of upper damping springs 3422 are fixed at the lower end of the Y-shaped limiting plate 3421, the damping connecting upright rod 3413 passes through an upper damping spring 3422 to be in close contact with the lower end of the Y-shaped limiting plate 3421, the lower end of the upper damping spring 3422 is in close contact with the upper end of the connecting square plate 3312, the lower end of the Y-shaped limiting plate 3421 is provided with an inserted bar 3423, the connecting square plate 3312 is provided with a second through hole 3315, the lower end of the inserted bar 3423 slides through the second through hole 3315 to be in close contact with the upper end of the connecting square plate 3415, the lower side of the Y-shaped limiting plate 3421 far away from the square supporting tube 331 is provided with an internal thread connecting tube 3424, the upper end of the moving bottom plate 31 is provided with a thread connecting hole 312, a bolt 343 screwed into which the internal thread 343, the lower end of the internal thread 3424 is fixedly connected with the threaded connecting hole 312, shock-absorbing structure 34 can effectively reduce vibrations when removing, plays the guard action to true triaxial apparatus body 1, has prolonged true triaxial apparatus body 1's life.
As shown in fig. 6, the lifting adjustment driving mechanism 35 includes two longitudinal beams 351 symmetrically distributed left and right and two transverse beams 352 symmetrically distributed front and back, the transverse beam 352 is located below the longitudinal beam 351, the longitudinal beam 351 and the transverse beam 352 are both fixedly connected with the upper end of the inner side of the square support tube 331, the longitudinal beams 351 at both sides are commonly connected with a front rotating rod 353 and a rear rotating rod 354 through penetration, the front rotating rod 353 is located at the front side of the longitudinal beam 351, the rear rotating rod 354 is located at the rear side of the longitudinal beam 351, both ends of the front rotating rod 353 and the rear rotating rod 354 slidably penetrate through the longitudinal beam 351 and are connected with a first gear 355, the outer side of the first gear 355 is engaged with the lifting rack 3322, a first turbine 356 is connected to one position of the front rotating rod 353, a second turbine 357 is connected to one position of the rear rotating rod 354, a first worm 3561 is engaged with the lower end of the first turbine 3561, the front end of the first worm 3561 is rotatably connected with the transverse beam 352 at the front side, a first connecting cross bar 3562 is arranged at the rear end of the first worm 3561, a third gear 3563 is connected to the first connecting cross bar 3562, the rear end of the first connecting cross bar 3562 is rotatably connected with a rear transverse beam 352, a second worm 3571 is connected to the lower end of the second worm 357 in a meshed manner, the rear end of the second worm 3571 is rotatably connected with the rear transverse beam 352, a second connecting cross bar 3572 is arranged at the front end of the second worm 3571, a fourth gear 3573 connected with the third gear 3563 in a meshed manner is connected to the second connecting cross bar 3572, the front end of the second connecting cross bar 3572 is rotatably connected with the front transverse beam 352, a first bevel gear 3574 is connected to the lower end of the first bevel gear 3574 in a meshed manner, a driving motor 358 is connected to the lower end of the second bevel gear 3575, a mounting transverse plate 359 is connected to the lower end of the driving motor 358, a mounting transverse plate 359 is arranged at the front side and the rear side of the mounting transverse plate 359, the upper end of the connecting vertical plate 3591 is fixedly connected with the transverse cross beam 352; when the height adjustment is performed, the driving motor 358 is started, the driving motor 358 drives the first bevel gear 3574 to rotate through the second bevel gear 3575, the first bevel gear 3574 drives the second connecting cross bar 3572 to rotate, the second connecting cross bar 3572 drives the second worm 3571 to rotate, the second worm 3571 drives the second worm gear 357 to rotate, the second worm gear 357 drives the two first gears 355 at the rear side to rotate through the rear rotating rod 354, so as to drive the two lifting racks 3322 at the rear side to move upwards or downwards, meanwhile, the second connecting cross bar 3572 drives the fourth gear 3573 to rotate, the fourth gear 3573 drives the third gear 3563 to rotate in reverse direction, so as to drive the two first gears 355 at the front side to rotate in reverse direction, so as to drive the two lifting racks 3322 at the front side and the lifting rack 3322 at the rear side to move upwards or downwards synchronously, thereby achieving the purpose of adjusting the true triaxial apparatus body 1.
As shown in fig. 7, the supporting and stabilizing structure 36 includes a cross connection plate 361, the lower sides of four ends of the cross connection plate 361 are vertically provided with a supporting frame 362, the edges of four sides of the movable bottom plate 31 are vertically penetrated with a through slot 313 in sliding fit with the supporting frame 362, the center of the cross connection plate 361 is vertically penetrated with a threaded upright rod 363, the threaded upright rod 363 is in threaded connection with the cross connection plate 361, the lower end of the threaded upright rod 363 is rotatably connected with the upper end of the movable bottom plate 31, the upper end of the threaded upright rod 363 slidably penetrates through a mounting transverse plate 359 and is connected with a third turbine 364, one side of the third turbine 364 is engaged with a third worm 365, the end of the third worm 365 is rotatably connected with a connecting upright plate 3591, the front end of the third worm 365 slidably penetrates through a connecting upright plate 3591 at the front side and is connected with a hand wheel 366, when adjusting, the hand wheel 366 is rotated to control the contact and separation of the supporting frame 362 with the ground, when moving, the hand wheel 366 is rotated, the supporting frame 362 is separated from the ground, when moving is performed, the hand wheel 366 is rotated, the supporting frame 362 is tightly contacted with the ground, the moving is prevented from rolling of the movable universal wheel 3, the whole device is kept stable and the soil is convenient for detecting, the single hand wheel 36 is performed, the hand wheel is simply replaced by the hand wheel brake structure, and the simple operation of the hand wheel control.
According to the invention, the height of the true triaxial apparatus body can be adjusted at will through the common cooperation of the lifting support structure and the lifting adjustment driving mechanism in the adjustable movable support device, so that a user can adjust the height according to the self requirement, the soil detection work is greatly facilitated, the movable bottom plate, the movable universal wheels and the support stabilizing structure in the adjustable movable support device are matched together, so that the adjustable movable support device can move freely, the transition operation is facilitated, meanwhile, the adjustable movable support device can be stably fixed on the ground without moving during work, the smooth soil detection work is ensured, and the adjustable movable support device is convenient and simple to move and fix and adjust.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (1)
1. The utility model provides a real triaxial apparatus is used in test of portable soil test, includes real triaxial apparatus body (1), and real triaxial apparatus body (1) lower extreme is fixed with connecting plate (2), its characterized in that: the lower end of the connecting plate (2) is provided with an adjustable movable supporting device (3);
the adjustable movable supporting device (3) comprises a movable bottom plate (31), movable universal wheels (32) are mounted at four top corners of the lower end of the bottom plate (31), lifting supporting structures (33) are mounted at four top corners of the upper end of the movable bottom plate (31), the lower ends of the lifting supporting structures (33) are fixedly connected with the movable bottom plate (31) through damping structures (34), lifting adjusting driving mechanisms (35) are mounted at the upper ends of the inner sides of the four lifting supporting structures (33) together, and a supporting and stabilizing structure (36) is mounted at the upper end of the movable bottom plate (31);
the lifting support structure (33) comprises a square support tube (331), a sliding groove (3311) is vertically formed in the upper end of the inner side of the square support tube (331) downwards, a connecting square plate (3312) is arranged at the lower end of the square support tube (331), the connecting square plate (3312) is fixedly connected with the damping structure (34), a lifting support square column (332) is connected in the square support tube (331) in a sliding mode, a connecting flange (3321) is arranged at the upper end of the lifting support square column (332), the connecting flange (3321) is fixedly connected with the lower end of the connecting plate (2), a lifting rack (3322) is arranged on the inner side of the lifting support square column (332), and the side wall of the lifting rack (3322) is connected with the sliding groove (3311) in a sliding mode;
the lifting adjusting driving mechanism (35) comprises two longitudinal beams (351) which are symmetrically distributed left and right and two transverse beams (352) which are symmetrically distributed front and back, the longitudinal beams (351) and the transverse beams (352) are fixedly connected with the upper ends of the inner sides of square supporting tubes (331), the longitudinal beams (351) and the transverse beams (352) on two sides are connected with a front rotating rod (353) and a rear rotating rod (354) in a penetrating mode together, the two ends of the front rotating rod (353) and the rear rotating rod (354) slide out of the longitudinal beams (351) and are connected with first gears (355), the outer sides of the first gears (355) are connected with lifting racks (3322) in a meshing mode, one part of the front rotating rod (353) is connected with a first turbine (356), one part of the rear rotating rod (354) is connected with a second turbine (357), the lower end of the first turbine (356) is connected with a first worm (3561) in a meshing mode, the front end of the first worm (3561) is connected with the transverse beam (352) on the front side, the rear end of the first connecting cross rod (3561) is connected with a first connecting cross rod (3563), the rear end of the second connecting cross rod (3571) is connected with a second connecting cross rod (3571), the rear end of the rear cross rod (3571) is connected with a second connecting cross rod (3571), a fourth gear (3573) meshed with the third gear (3563) is connected to the second connecting cross rod (3572), the front end of the second connecting cross rod (3572) is rotatably connected with the transverse cross beam (352) on the front side, a first bevel gear (3574) is connected to one position of the second connecting cross rod (3572), a second bevel gear (3575) is meshed with the lower end of the first bevel gear (3574), a driving motor (358) is connected to the lower end of the second bevel gear (3575), a mounting transverse plate (359) is connected to the lower end of the driving motor (358), connecting vertical plates (3591) are arranged on the front side and the rear side of the upper end of the mounting transverse plate (359), and the upper end of each connecting vertical plate (3591) is fixedly connected with the transverse cross beam (352);
the supporting and stabilizing structure (36) comprises a cross connecting plate (361), supporting frames (362) are vertically arranged on the lower sides of four ends of the cross connecting plate (361), a through groove (313) in sliding fit with the supporting frames (362) vertically penetrates through the movable bottom plate (31), a threaded vertical rod (363) vertically penetrates through the center of the cross connecting plate (361), the lower end of the threaded vertical rod (363) is rotatably connected with the upper end of the movable bottom plate (31), the upper end of the threaded vertical rod (363) slidably penetrates through a mounting transverse plate (359) and is connected with a third turbine (364), a third worm (365) is meshed with one side of the third turbine (364), and the front end of the third worm (365) slidably penetrates through a connecting vertical plate (3591) on the front side and is connected with a hand-cranking wheel (366);
the damping structure (34) comprises a lower damping part (341) and an upper damping part (342), four top corners of the upper end of the movable base plate (31) are respectively provided with a mounting groove (311) in sliding fit with the connecting square plate (3312), the lower damping part (341) comprises a connecting base plate (3415), the connecting base plate (3415) is of a square structure, the lower end of the connecting base plate (3415) is fixedly connected with the bottom of the mounting groove (311), the lower end of the square supporting tube (331) is provided with a connecting round hole (3314), one side top corner of the upper end of the connecting base plate (3415) close to the connecting round hole (3314) is connected with a first lower damping spring (3411), the upper end of the first lower damping spring (3411) is fixedly connected with the connecting round hole (3314), the other three top corners of the upper end of the connecting base plate (3415) are respectively fixedly connected with a damping connecting upright (3413), the damping connecting upright (3413) is sleeved with a second lower damping spring (3414), the upper end of the second lower damping spring (3414) is fixedly connected with the lower end of the connecting square plate (3312), the damping plate (3413) and the damping plate (3421) passes through the limiting plate (3421) which is in sliding contact with the upper end of the damping plate (3421) and the damping plate (3421), the lower end of an upper damping spring (3422) is in close contact with the upper end of a connecting square plate (3312), the lower end of a Y-shaped limiting plate (3421) is provided with an inserted rod (3423), the lower end of the inserted rod (3423) penetrates through the connecting square plate (3312) in a sliding manner to be in close contact with the upper end of a connecting base plate (3415), an internal thread connecting pipe (3424) is arranged on the lower side of one end, away from the square supporting pipe (331), of the Y-shaped limiting plate (3421), a threaded connecting hole (312) is formed in the upper end of a movable base plate (31), a bolt (343) is screwed in the internal thread connecting pipe (3424), and the lower end of the bolt (343) is fixedly connected with the threaded connecting hole (312).
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| CN202010400655.3A CN111551435B (en) | 2020-05-13 | 2020-05-13 | Mobile true triaxial apparatus for soil test |
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| CN202010400655.3A CN111551435B (en) | 2020-05-13 | 2020-05-13 | Mobile true triaxial apparatus for soil test |
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| CN111551435B true CN111551435B (en) | 2023-04-07 |
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| CN208243327U (en) * | 2017-09-16 | 2018-12-18 | 上海形家广告设计有限公司 | A kind of height-adjustable Separation screen |
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