CN209802913U - Magnetorheological fluid wall slip effect detection device - Google Patents
Magnetorheological fluid wall slip effect detection device Download PDFInfo
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- CN209802913U CN209802913U CN201920342441.8U CN201920342441U CN209802913U CN 209802913 U CN209802913 U CN 209802913U CN 201920342441 U CN201920342441 U CN 201920342441U CN 209802913 U CN209802913 U CN 209802913U
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- magnetorheological fluid
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Abstract
The utility model discloses a magnetic current becomes smooth effect detection device of liquid wall, including lifter plate, fixed shearing disc, second coil, coil receiver, rotatory shearing disc, first coil, fixed plate, torque sensor, curb plate, guide rail base, base and magnetorheological suspensions, fixed shearing disc fixed connection is on the lifter plate, and rotatory shearing disc rotates to be connected on the fixed plate, and torque sensor fixed connection is on the curb plate, and guide rail base fixed connection is on the base, and is provided with vertical lift drive arrangement on the guide rail base. The magnetorheological fluid wall slip effect detection device can generate composite physical fields with different temperatures and magnetic fields, realizes effective detection of the wall slip effect of the magnetorheological fluid, and provides guarantee for development and application of high-performance magnetorheological fluid.
Description
Technical Field
The utility model relates to a device for magnetorheological suspensions detects, especially relates to a magnetorheological suspensions wall slip effect detection device.
Background
With the rapid development of intelligent materials, magnetorheological fluid is widely applied to various actual engineering fields as a novel intelligent material, and the demand of the magnetorheological fluid is increasing. At present, the magnetorheological fluid still has some fundamental problems which are difficult to solve, especially key problems such as sedimentation stability, wall slip effect and the like, the service performance of the magnetorheological fluid is influenced, the engineering application of the magnetorheological fluid is restricted, and the problems are urgently solved; therefore, the wall slip effect of the magnetorheological fluid is effectively detected, the shear wall slip effect of the magnetorheological fluid is further reduced or inhibited, the research and development and the application of the high-performance magnetorheological fluid can be further promoted, and the performance of the magnetorheological fluid is exerted to a greater extent.
In addition, the magnetorheological fluid detection equipment related to the market cannot effectively detect the wall slipping phenomenon of the magnetorheological fluid, and is high in price, complex in operation flow and difficult to maintain in daily life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetorheological suspensions wall slide effect detection device to solve the problem that above-mentioned prior art exists, can produce the compound physical field in different temperatures and magnetic field, realize carrying out effectual detection to the wall slide effect of magnetorheological suspensions, provide the guarantee for the development and the application of high performance magnetorheological suspensions.
In order to achieve the above object, the utility model provides a following scheme:
The utility model provides a magnetic current becomes liquid wall sliding effect detection device, including lifter plate, fixed shearing disc, second coil, coil receiver, rotatory shearing disc, first coil and fixed plate, fixed shearing disc middle part axial protrusion has first installation axle, rotatory shearing disc middle part axial protrusion has second installation axle, first coil and second coil twine respectively in the coil receiver, the coil receiver respectively fixed mounting in the lifter plate with on the fixed plate, first installation axle is fixed in on the lifter plate, second installation axle swivelling joint in on the fixed plate.
Preferably, the lifting device further comprises a guide rail base and a base, wherein the guide rail base is welded and fixed on the base, supporting legs are respectively arranged at four corners of the base, and the lifting plate is connected to the guide rail base in a sliding mode and driven by the vertical lifting driving device to do vertical linear reciprocating motion.
Preferably, the guide rail base is symmetrically and fixedly provided with 2 parallel square guide rails, the lifting plate is fixedly provided with a square sliding block and a lead screw nut, the square sliding block is in sliding fit with the square guide rails, and the lead screw nut is rotationally matched with a ball screw.
preferably, still include torque sensor, elastic coupling, No. two motors, motor mount and curb plate, curb plate fixed connection in the fixed plate with the base, fixed mounting has on the curb plate torque sensor with No. two motors, torque sensor's rotation axis upper end is passed through elastic coupling fixed connection in rotatory shearing dish, torque sensor's rotation axis lower extreme passes through elastic coupling fixed connection in on the output shaft of No. two motors.
Preferably, the vertical lift drive device includes a motor, rigid coupling, first bearing, bearing frame and ball screw, a motor fixed mounting in the guide rail base recess, ball screw pass through rigid coupling fixed connection in on the output shaft of a motor, first bearing axial support in 2 shaft shoulders department of ball screw length direction, the bearing frame internal fixation sets up first bearing.
Preferably, the fixed shearing disc and the rotary shearing disc are both fixedly provided with shearing gaskets, and magnetorheological fluid is stored in a closed space surrounded by the fixed shearing disc, the shearing gaskets and the rotary shearing disc.
Preferably, the shear pad is machined on one side into a grooved surface.
preferably, the fixed shearing disc is fixedly embedded with an annular mica heating plate on the upper surface, and the annular mica heating plate is connected with an alternating current power supply by 2 lead wires.
Preferably, the annular wall surface of the fixed shearing disc is provided with an annular groove, the annular wall surface of the rotary shearing disc is provided with an annular groove, and 30 rolling steel balls are uniformly distributed in an annular space groove formed by the annular groove of the fixed shearing disc and the annular groove of the rotary shearing disc in a surrounding manner.
The utility model discloses for prior art gain following technological effect:
The utility model provides a magnetorheological suspensions wall slide effect detection device, the fixed shear disk that is fixed in the lifter plate and the rotatory shear disk that rotationally connects in the fixed plate form an inclosed shearing detection space, treat the magnetorheological suspensions that detect and carry out rotatory shearing rheology test; for the shear gaskets with different surface appearance characteristics, wall slip phenomena with different degrees generated by the magnetorheological fluid are detected by the torque sensor in a shear yield stress mode; the first coil and the second coil wound on the coil storage barrel are coaxially and parallelly installed and fixed on the fixing plate and the lifting plate, and a stable and uniform magnetic field perpendicular to the direction of the rotary shearing motion can be generated by applying direct current respectively; the annular mica heating plate embedded with and fixing the upper surface of the shearing disc can apply different temperature fields to the magnetorheological fluid; the vertical lifting driving device vertically drives the lifting plate to ascend, so as to drive the fixed shearing disc to vertically ascend, and therefore cleaning of the magnetorheological fluid after detection and refilling of the magnetorheological fluid to be detected are facilitated; similarly, after the magnetorheological fluid to be detected is filled, the vertical lifting driving device drives the lifting plate to vertically descend, so that the fixed shearing disc is driven to vertically descend to a proper position, and the next detection of the wall slip effect of the magnetorheological fluid is started. The utility model provides a magnetorheological suspensions wall slide effect detection device can effectually eliminate the defect that relevant magnetorheological suspensions detecting instrument on the market can't detect magnetorheological suspensions wall slide effect, has effectively solved the difficult problem that the smooth phenomenon of magnetorheological suspensions wall is difficult to detect, and the compound physical field in different temperatures and magnetic field that the device can produce, provides the technical guarantee for studying the rheological behavior of magnetorheological suspensions under compound field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
fig. 1 is a schematic view of the overall structure of the magnetorheological fluid wall slip detection device provided by the present invention;
Fig. 2 is a partial cross-sectional view of the magnetorheological fluid wall slip detection apparatus provided by the present invention;
FIG. 3 is an enlarged partial view of the magnetorheological fluid wall slip detection apparatus of FIG. 2;
Fig. 4 is a top view of the magnetorheological fluid wall slip detection apparatus provided by the present invention;
Fig. 5 is a right side view of the magnetorheological fluid wall slip detection apparatus provided by the present invention;
fig. 6 is a schematic view of the overall structure of the magnetorheological fluid wall slip detection apparatus after lifting;
Fig. 7 is a schematic structural view of a shear pad provided by the present invention;
In the figure, 1, a base, 2, a first motor, 3, M5 socket head cap screws, 4, a bearing seat, 5 square guide rails, 6, M6 socket head cap screws, 7, M8 nuts, 8, side plates, 9, a rigid coupling, 10, a ball screw, 11, a guide rail base, 12, a screw nut, 13, a first bearing, 14, a torque sensor, 15, M8 socket head cap screws, 16, an elastic coupling, 17, a motor fixing frame, 18, M4 socket head cap screws, 19, a supporting leg, 20, a second motor, 21, a second bearing, 22, a coil containing cylinder, 23, a fixing plate, 24, a first coil, 25, a lead wire, 26, M4 cross groove screws, 27, a lifting plate, 28, a second coil, 29, M10 nuts, 30, a fixing nut disc, 31, M5 cross groove screws, 32, M5 nuts, 33, mica heating sheets, 34, rolling steel balls, 35, 36, shearing gaskets, 37, 829, 3, M7338, 829, 3, M7338, 39. rotating shear disk, 40 square slider.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, the ordinary skilled person in the art can obtain other embodiments without creative work, all of which belong to the protection scope of the present invention.
the utility model aims at providing a magnetorheological suspensions wall slide effect detection device to solve the problem that above-mentioned prior art exists, can produce the compound physical field in different temperatures and magnetic field, realize carrying out effectual detection to the wall slide effect of magnetorheological suspensions, provide the guarantee for the development and the application of high performance magnetorheological suspensions.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
as shown in fig. 1 to 7, the present invention provides a device for detecting wall-slipping effect of magnetorheological fluid, in a specific embodiment of the present invention, the device for detecting wall-slipping effect of magnetorheological fluid comprises a lifting plate 27, a fixed shear disk 30, a second coil 28, a coil storage cylinder 22, a rotary shear disk 39, a first coil 24 and a fixed plate 23, wherein the fixed shear disk 30 axially protrudes from a middle portion thereof with a first mounting shaft, the rotary shear disk 39 axially protrudes from a middle portion thereof with a second mounting shaft, the first coil 24 and the second coil 28 are respectively wound on the coil storage cylinder 22, the coil storage cylinder 22 is respectively fixed on the fixed plate 23 and the lifting plate 27 through coaxial and parallel mounting of M5 cross-slot screws 31 and M5 nuts, the first mounting shaft of the fixed shear disk 30 is fastened on the lifting plate 27 through M10 nuts 29, the second mounting shaft of the rotary shear disk 39 and a second bearing 21 fixedly disposed on the fixed plate 23 are rotatably connected, and the second bearing 21 is axially supported at the shoulder position of the second mounting shaft.
In another concrete example of the utility model, for the convenience of detect the washing of the magnetorheological suspensions 35 that finishes and treat the magnetorheological suspensions 35 that detects and load once more, magnetorheological suspensions wall slip effect detection device still includes guide rail base 11 and base 1, guide rail base 11 welded fastening is on base 1, 1 four corners of base are provided with the supporting legs 19 of taper respectively, 4 middle part axial archs of taper supporting legs 19 are threaded rod, and threaded connection is in base 1, lifter plate 27 sliding connection is on guide rail base 11 and carries out straight reciprocating motion from top to bottom by the drive of vertical lift drive arrangement.
In another specific example of the present invention, two parallel square guide rails 5 are symmetrically and fixedly disposed on two sides of the guide rail base 11 of the magnetorheological fluid wall-sliding effect detection device, 2 square sliders 40 and 1 lead screw nut 12 are fixedly disposed on the lifting plate 27, 1 square slider 40 is slidably fitted on each square rail 5, and the 2 square sliders 40 and the 1 lead screw nut 12 are both fixedly connected to the left side wall surface of the lifting plate 27 through the M4 cross-recessed screw 26; the lead screw nut 12 is rotatably fitted with the ball screw 10.
In another specific example of the present invention, the magnetorheological fluid wall-slip effect detection apparatus further comprises a torque sensor 14, an elastic coupling 16, a second motor 20, a motor fixing frame 17 and a side plate 8; the side plate 8 is in a bow shape and is fixedly connected between the fixing plate 23 and the base 1 through M6 socket head cap screws 6 and M6 nuts 37, a torque sensor 14 fixedly installed through M8 socket head cap screws 15 is arranged on the side plate 8, the second motor 20 is fixedly installed on the side plate 8 through a motor fixing frame 17 and M4 socket head cap screws 18, the upper end of a rotating shaft of the torque sensor 14 is fixedly connected to the rotary shearing disc 39 through an elastic coupling 16, and the lower end of the rotating shaft of the torque sensor 14 is fixedly connected to an output shaft of the second motor 20 through the elastic coupling 16.
In another concrete example of the utility model, magnetorheological suspensions wall slide effect detection device's vertical lift drive arrangement includes a motor 2, rigid coupling 9, first bearing 13, bearing frame 4 and ball screw 10, and a motor 2 fixed mounting is in 11 recesses of guide rail base, and ball screw 10 passes through rigid coupling 9 fixed connection on a motor 2's output shaft, and 13 axial bearings of first bearing are located in 2 shoulders of 10 length direction of ball screw, all are equipped with first bearing 13 in 2 bearing frames 4.
In another specific embodiment of the present invention, in order to research and detect the wall slip effect of the magnetorheological fluid 35 under the shearing of different temperature fields, complex physical fields composed of different magnetic fields, and different wall morphologies, the single surfaces of the 2 shearing pads 36 of the magnetorheological fluid wall slip effect detection apparatus are all processed with groove surfaces, and can be detached and replaced, and are respectively fixed on the inner cavity walls of the fixed shearing disk 30 and the rotary shearing disk 39 through M3 countersunk head screws 38; the annular wall surface of the fixed shearing disc 30 is provided with an annular groove, the annular wall surface of the rotary shearing disc 39 is provided with an annular groove, and 30 rolling steel balls 34 are uniformly distributed in an annular space groove formed by the annular groove of the fixed shearing disc 30 and the annular groove of the rotary shearing disc 39; magnetorheological fluid 35 is stored in a closed space surrounded by the fixed shearing disc 30, the shearing gasket 36 and the rotary shearing disc 39; the annular mica heating plate 33 is embedded in the upper surface of the fixed shearing disc 30, and alternating currents with different sizes are applied to the 2 leads 25 led out from the mica heating plate 33, so that different temperature fields can be generated.
in another specific embodiment of the present invention, the working process of the magnetorheological fluid wall slip effect detection apparatus is as follows:
First, the operation button of the first motor 2 is activated to start the operation of the vertical lifting driving device, and the lifting plate 27 is driven and guided by the ball screw 10 and the screw nut 12 to vertically lift to a proper height along the 2 parallel square guide rails 5. At this time, the fixed cutting disks 30 fixed to the elevating plate 27 are separated from the rotary cutting disks 39; a rotating shear disk 39 rotatably attached to the stationary plate 23 may be used to contain the magnetorheological fluid 35; after the magnetorheological fluid 35 for wall slip detection is filled, the first motor 2 starts to work again to drive the lifting plate 27 to vertically descend until the annular space groove formed by the annular groove of the fixed shearing disc 30 and the annular groove of the rotary shearing disc 39 just can contain the height of 1 rolling steel ball 34. Simultaneously, the first coil 24 and the second coil 28 which are coaxially and parallelly arranged are loaded with direct current to generate a uniform magnetic field perpendicular to the direction of the rotary shearing motion; similarly, the 2 wires 25 led out from the annular mica heating plate 33 embedded in the upper surface of the fixed shear disk 30 are loaded with alternating current to apply different temperature fields to the magnetorheological fluid 35. At this time, the second motor 20 is started, and the rotating torque output by the output shaft of the second motor 20 is applied to the rotating shear disk 39 through the torque sensor 14, so that the rotating shear disk 39 rotates at a high speed to shear the magnetorheological fluid 35; the varying degrees of wall slip produced by the magnetorheological fluid 35 are detected by the torque sensor 14 in the form of shear yield stress.
In order to research and detect the wall slip effect of the magnetorheological fluid 35 under the shearing of different temperature fields, complex physical fields consisting of different magnetic fields and different wall surface appearances, the single surfaces of 2 shearing gaskets 36 of the magnetorheological fluid wall slip effect detection device are all provided with groove surfaces, and can be detached and replaced; the shear shims 36 with different wall-slip appearance characteristics are selected, and the current magnitude on the first coil 24, the second coil 28 and the lead 25 is changed, so that the detected composite physical field can be effectively changed, and further the wall-slip effect of the magnetorheological fluid 35 can be detected and researched.
After the wall slip effect of the magnetorheological fluid 35 is completely detected, similarly, the first motor 2 starts to work to drive the lifting plate 27 to vertically lift to a proper height, the detected magnetorheological fluid 35 is cleaned, and the magnetorheological fluid 35 to be detected is filled again; similarly, after the magnetorheological fluid 35 to be detected is filled, the first motor 2 drives the lifting plate 27 to vertically descend, so as to drive the fixed shearing disc 30 to vertically descend to a proper position, the second motor 20 starts to work, the next detection of the wall slip effect of the magnetorheological fluid 35 is started, and the steps are repeated in a circulating manner.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. Magnetorheological suspensions wall slide effect detection device which characterized in that: including lifter plate, fixed shearing dish, second coil, coil containing cylinder, rotatory shearing dish, first coil and fixed plate, fixed shearing dish middle part axial protrusion has first installation axle, rotatory shearing dish middle part axial protrusion has the second installation axle, first coil and second coil twine respectively in the coil containing cylinder, the coil containing cylinder respectively fixed mounting in the lifter plate with on the fixed plate, first installation axle is fixed in on the lifter plate, second installation axle swivelling joint in on the fixed plate.
2. The magnetorheological fluid wall-slip effect detection apparatus according to claim 1, wherein: the lifting plate is connected to the guide rail base in a sliding mode and driven by the vertical lifting driving device to do vertical linear reciprocating motion.
3. The magnetorheological fluid wall-slip effect detection apparatus according to claim 2, wherein: the guide rail base is symmetrically and fixedly provided with 2 parallel square guide rails, the lifting plate is fixedly provided with a square sliding block and a lead screw nut, the square sliding block is in sliding fit with the square guide rails, and the lead screw nut is rotationally matched with a ball screw.
4. The magnetorheological fluid wall-slip effect detection apparatus according to claim 1, wherein: still include torque sensor, elastic coupling, No. two motors, motor mount and curb plate, curb plate fixed connection in the fixed plate, fixed mounting has on the curb plate torque sensor with No. two motors, torque sensor's rotation axis upper end is passed through elastic coupling fixed connection in rotatory shearing dish, torque sensor's rotation axis lower extreme passes through elastic coupling fixed connection in on No. two motors's the output shaft.
5. The magnetorheological fluid wall-slip effect detection apparatus according to claim 2, wherein: the vertical lifting driving device comprises a motor, a rigid coupling, a first bearing, a bearing seat and a ball screw, wherein the motor is fixedly installed in the groove of the guide rail base, the ball screw is fixedly connected to an output shaft of the motor through the rigid coupling, the first bearing is axially supported at 2 shaft shoulders in the length direction of the ball screw, and the first bearing is fixedly arranged in the bearing seat.
6. The magnetorheological fluid wall-slip effect detection apparatus according to claim 1, wherein: shearing gaskets are fixedly arranged in the fixed shearing disc and the rotary shearing disc, and magnetorheological fluid is stored in a closed space defined by the fixed shearing disc, the shearing gaskets and the rotary shearing disc.
7. The magnetorheological fluid wall-slip effect detection apparatus according to claim 6, wherein: the single surface of the shearing gasket is processed into the surface of the groove.
8. The magnetorheological fluid wall-slip effect detection apparatus according to claim 1, wherein: the fixed shearing disc upper surface is fixed to be embedded with annular mica heating plate, annular mica heating plate has 2 wires to draw forth and is connected in alternating current power supply.
9. the magnetorheological fluid wall-slip effect detection apparatus according to claim 1, wherein: the annular wall surface of the fixed shearing disc is provided with an annular groove, the annular wall surface of the rotary shearing disc is provided with an annular groove, and 30 rolling steel balls are uniformly distributed in an annular space groove formed by the annular groove of the fixed shearing disc and the annular groove of the rotary shearing disc in a surrounding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342441.8U CN209802913U (en) | 2019-03-03 | 2019-03-03 | Magnetorheological fluid wall slip effect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342441.8U CN209802913U (en) | 2019-03-03 | 2019-03-03 | Magnetorheological fluid wall slip effect detection device |
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| CN209802913U true CN209802913U (en) | 2019-12-17 |
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| CN201920342441.8U Expired - Fee Related CN209802913U (en) | 2019-03-03 | 2019-03-03 | Magnetorheological fluid wall slip effect detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031365A (en) * | 2019-03-03 | 2019-07-19 | 浙江师范大学 | The sliding effect detection device of magnetorheological liquid wall |
-
2019
- 2019-03-03 CN CN201920342441.8U patent/CN209802913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031365A (en) * | 2019-03-03 | 2019-07-19 | 浙江师范大学 | The sliding effect detection device of magnetorheological liquid wall |
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Granted publication date: 20191217 Termination date: 20210303 |