CN116858727B - Asphalt viscosity rotary viscometer - Google Patents
Asphalt viscosity rotary viscometer Download PDFInfo
- Publication number
- CN116858727B CN116858727B CN202310874458.9A CN202310874458A CN116858727B CN 116858727 B CN116858727 B CN 116858727B CN 202310874458 A CN202310874458 A CN 202310874458A CN 116858727 B CN116858727 B CN 116858727B
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- fixed
- piece
- sleeve
- positioning
- plate
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- 239000010426 asphalt Substances 0.000 title claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses an asphalt viscosity rotary viscometer, which comprises a main body assembly, wherein the main body assembly comprises a viscometer body, a base and a supporting plate, the base is arranged below the viscometer body, and the supporting plate is fixed at the bottom of the viscometer body; the adjusting component is arranged in the base and comprises a supporting sleeve, an adjusting piece, an induction piece, a locking piece and a pushing piece, wherein the supporting sleeve is fixed in the base, the adjusting piece is arranged in the supporting sleeve, the induction piece is positioned in the supporting sleeve, the locking piece is arranged on one side of the adjusting piece, and the pushing piece is positioned on one side of the locking piece. The invention has the beneficial effects that: through the setting of adjusting part, can take place the angle of slope according to the viscometer body and adjust the viscometer body to the horizontality automatically, and can also lock the viscometer body at current state after adjusting to this avoids needing frequent adjusting screw to rotate.
Description
Technical Field
The invention relates to the technical field of rotational viscometers, in particular to an asphalt viscosity rotational viscometer.
Background
In order to measure the viscosity of a liquid or semi-solid substance by using a rotational viscometer, which is a commonly used experimental instrument for measuring the viscosity of the liquid or semi-solid substance, the rotational viscometer is usually composed of a rotator and a measuring system, wherein the rotator is a cylindrical rotatable part, usually a rotor or a disc, and rotates in the liquid, the measuring system comprises a torque sensor and a rotation speed control device, when the viscosity of the liquid is higher, the rotator is subjected to more resistance, so that the rotation can be maintained, the viscosity of the liquid can be calculated by measuring the torque applied to the rotator and the rotation speed of the rotator, the measurement result of the rotational viscometer is less influenced by external interference, and if the rotator is not horizontally placed, the liquid is unevenly distributed on the surface of the rotator, and deviation is generated.
In the prior art, when the rotational viscometer is regulated to a horizontal state, the leveling screw at the bottom of the rotational viscometer is mostly rotated to level, and the leveling screw is required to be frequently rotated in the leveling process, so that a large amount of time is wasted, the leveling process of the rotational viscometer is required to be highly sensitive, even small adjustment can also have a significant influence on the horizontal position of the instrument, and therefore, the accurate horizontal state is difficult to ensure to be reached when the leveling process is carried out, and the regulation is inconvenient.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or problems associated with conventional asphalt viscosity rotational viscometers.
Therefore, the problem to be solved by the present invention is that in the prior art, when the rotational viscometer is adjusted to a horizontal state, the leveling screw at the bottom of the rotational viscometer is mostly turned to level, and frequent turning of the leveling screw is required in the leveling process, which wastes a lot of time, and the leveling process of the rotational viscometer is required to be highly sensitive, even a slight adjustment may have a significant influence on the horizontal position of the instrument, so that it is difficult to ensure that an accurate horizontal state is achieved when the leveling process is performed, thereby making the adjustment inconvenient.
In order to solve the technical problems, the invention provides the following technical scheme: an asphalt viscosity rotary viscometer comprises a main body assembly, wherein the main body assembly comprises a viscometer body, a base and a supporting plate, the base is arranged below the viscometer body, and the supporting plate is fixed at the bottom of the viscometer body;
the adjusting component is arranged in the base and comprises a supporting sleeve, an adjusting piece, an induction piece, a locking piece and a pushing piece, wherein the supporting sleeve is fixed in the base, the adjusting piece is arranged in the supporting sleeve, the induction piece is positioned in the supporting sleeve, the locking piece is arranged on one side of the adjusting piece, and the pushing piece is positioned on one side of the locking piece.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the adjusting piece comprises a movable column and a first spring, a slot is formed in the supporting sleeve, the movable column is inserted into the slot, two ends of the first spring are respectively fixed with the movable column and the inner wall of the base, and the top end of the movable column is hinged to the supporting plate through a hinged plate.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the induction piece comprises an induction ball, a stress plate and a connecting plate, a first cavity is formed in the support sleeve, the induction ball is located in the first cavity, the stress plate is rotationally connected to the top of the induction ball, and the connecting plate is fixed to one side of the movable column.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the induction piece further comprises a positioning rod, the positioning rod is fixed at the bottom of the stress plate, a through groove is formed in the inner wall of the first cavity, and the positioning rod is movably connected with the inside of the through groove.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the locking piece comprises a locating sleeve and a limiting block, wherein the locating sleeve is located on one side of the movable column, the limiting block is fixed on one side of the locating sleeve, a limiting groove is formed in the movable column, and the limiting block is clamped with the limiting groove.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the locking piece further comprises a positioning column, a rotating plate, a connecting block and a positioning shaft, a second cavity is formed in the supporting sleeve, the positioning column is rotationally connected to the second cavity, the rotating plate is fixed to the outer side of the positioning column, the connecting block is fixed to one side of the positioning sleeve, the positioning shaft is fixed to the connecting block, a guide groove is formed in the rotating plate, and the positioning shaft slides in the guide groove.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the locking piece further comprises a movable plate, a push rod and a fixed shaft, wherein the movable plate is located on the outer side of the positioning column, the push rod is fixed on the top of the movable plate, the fixed shaft is fixed on the inner side of the movable plate, a spiral groove is formed in the positioning column, and the fixed shaft slides in the spiral groove.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the pushing piece comprises a connecting rod, a positioning frame, a pushing rod and a connecting column, wherein the connecting rod is fixed on one side of the positioning column, the positioning frame is located on the outer side of the connecting rod, the pushing rod is arranged on one side of the positioning frame, and one end of the connecting column is fixed with the pushing rod.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the pushing piece further comprises a fixing sleeve and a sealing sleeve, the fixing sleeve is fixed on one side of the inner wall of the base, the sealing sleeve is fixed on the outer side of the connecting column, and the sealing sleeve is movably connected with the fixing sleeve.
As a preferred embodiment of the asphalt viscosity rotational viscometer of the present invention, wherein: the pushing piece further comprises a second spring, two ends of the second spring are respectively fixed with the sealing sleeve and the inner wall of the fixing sleeve, and the second spring is sleeved on the outer side of the connecting column.
The invention has the beneficial effects that: through the setting of adjusting part, can take place the angle of slope according to the viscometer body and adjust the viscometer body to the horizontality automatically, and can also lock the viscometer body at current state after adjusting to this avoids needing frequent adjusting screw to rotate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is an overall block diagram of an asphalt viscosity rotational viscometer.
FIG. 2 is a diagram of the internal structure of the base of the asphalt viscosity rotational viscometer.
FIG. 3 is a cross-sectional view of a support sleeve of an asphalt viscosity rotational viscometer.
FIG. 4 is a block diagram of a locking and adjusting member of an asphalt viscosity rotational viscometer.
Fig. 5 is a bottom view of a rotating plate of the asphalt viscosity rotational viscometer.
FIG. 6 is an enlarged partial block diagram of the asphalt viscosity rotational viscometer at A in FIG. 5.
FIG. 7 is a cross-sectional view of a positioning sleeve of an asphalt viscosity rotational viscometer.
FIG. 8 is a schematic diagram of a cross-sectional view of a positioning column of an asphalt viscosity rotational viscometer.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Examples
Referring to fig. 1, 3, 4 and 5, a first embodiment of the present invention provides an asphalt viscosity rotational viscometer, which includes a main body assembly 100 and an adjusting assembly 200, and the angle of which is automatically leveled by a viscometer body 101 of the adjusting assembly 200.
The main body assembly 100 comprises a viscometer body 101, a base 102 and a supporting plate 103, wherein the base 102 is arranged below the viscometer body 101, and the supporting plate 103 is fixed at the bottom of the viscometer body 101.
Base 102 and backup pad 103 are used for supporting viscometer body 101, and when viscometer body 101 takes place the slope, alright drive viscometer body 101 through backup pad 103 and carry out the leveling, measure the viscosity of pitch through viscometer body 101, this is prior art, and this scheme is not repeated.
The adjusting assembly 200 is arranged in the base 102 and comprises a supporting sleeve 201, an adjusting piece 202, an induction piece 203, a locking piece 204 and a pushing piece 205, wherein the supporting sleeve 201 is fixed in the base 102, the adjusting piece 202 is arranged in the supporting sleeve 201, the induction piece 203 is positioned in the supporting sleeve 201, the locking piece 204 is arranged on one side of the adjusting piece 202, and the pushing piece 205 is positioned on one side of the locking piece 204.
When the viscometer body 101 is in an inclined state, the setting through the adjusting piece 202 is used for driving the supporting plate 103 to incline, and the viscometer body 101 is driven to incline through the supporting plate 103, so that the viscometer body 101 can be adjusted to a horizontal state, through the setting of the sensing piece 203, when the viscometer body 101 inclines, the sensing piece 203 can move along with the viscometer body 101, when the sensing piece 203 moves, the adjusting piece 202 can drive the viscometer body 101 to incline towards the opposite direction, so that the viscometer body 101 can be adjusted to the horizontal state, through the setting of the locking piece 204, after the viscometer body 101 is adjusted to the horizontal state, the adjusting piece 202 and the sensing piece 203 can be simultaneously locked through the locking piece 204, and the supporting plate 103 can not move through the matching of the locking piece and the locking piece, so that the situation that the viscometer body 101 can incline in the use process is avoided, the locking piece 204 can be unlocked through the setting of the pushing piece 205, so that when the viscometer body 101 inclines, the viscometer body 101 can be automatically pushed by the pushing the adjusting piece 202, the viscometer body 205 can be automatically reset after the adjusting piece 203 is reset, and the viscosimeter body can be automatically adjusted to the horizontal state after the adjusting piece is automatically reset.
Examples
Referring to fig. 1 to 8, a second embodiment of the present invention is based on the previous embodiment.
Specifically, the adjusting member 202 includes a movable column 202a and a first spring 202b, a slot Z is formed in the supporting sleeve 201, the movable column 202a is inserted into the slot Z, two ends of the first spring 202b are fixed to the movable column 202a and an inner wall of the base 102, and a top end of the movable column 202a is hinged to the supporting plate 103 through a hinge plate.
The number of the movable columns 202a is multiple, the movable columns 202a are uniformly distributed on the supporting sleeve 201 in a circle in an annular shape, the movable columns 202a are movably connected with the slots Z, the movable columns 202a are used for supporting the supporting plate 103, downward pulling force is applied to the movable columns 202a through the arrangement of the first springs 202b, when the viscometer body 101 is inclined, the opposite movable columns 202a move downward through the pulling force of the first springs 202b and drive one side of the supporting plate 103 to move downward through the movable columns 202a until the supporting plate 103 is in a horizontal state, and the movable columns 202a stop moving until the supporting plate 103 is in the horizontal state, so that the viscometer body 101 can be adjusted to the horizontal state.
Specifically, the sensing member 203 includes a sensing ball 203a, a force-bearing plate 203b and a connecting plate 203c, a first chamber X is formed in the supporting sleeve 201, the sensing ball 203a is located in the first chamber X, the force-bearing plate 203b is rotatably connected to the top of the sensing ball 203a, and the connecting plate 203c is fixed to one side of the movable column 202 a.
The induction ball 203a is movably connected with the first chamber X, the stress plate 203b is annular, the outer edge of the top of the stress plate 203b is inclined, the number of the connecting plates 203c corresponds to that of the movable columns 202a, in an initial state, the induction ball 203a is located at the center of the first chamber X, meanwhile, the top of the stress plate 203b is contacted with the plurality of connecting plates 203c, the connecting plates 203c are supported by the stress plate 203b, the connecting plates 203c cannot move downwards, when the viscometer body 101 is inclined, the induction ball 203a moves towards the inclined direction of the viscometer body 101, the stress plate 203b is driven to move by the induction ball 203a, when the connecting plates 203c are contacted with the inclined surfaces of the top of the stress plate 203b, the support of the connecting plates 203c and the movable columns 202a is released, the movable columns 202a can move downwards, meanwhile, the movable columns 202a drive the supporting plates 103 to move downwards, the supporting plates 103 are regulated to a horizontal state, and the viscometer body 101 is driven to be regulated to the horizontal state by the supporting plates 103.
Specifically, the sensing member 203 further includes a positioning rod 203d, the positioning rod 203d is fixed to the bottom of the force-bearing plate 203b, the inner wall of the first chamber X is provided with a through groove V, and the positioning rod 203d is movably connected with the through groove V.
The number of the positioning rods 203d is multiple, the positioning rods 203d are fixed on the outer side of the stress plate 203b in an annular shape, and the positioning rods 203d are matched with the through grooves V to position the stress plate 203b, so that the situation that the stress plate 203b is inclined when moving is avoided.
Specifically, the locking piece 204 includes a positioning sleeve 204a and a limiting block 204b, the positioning sleeve 204a is located at one side of the movable column 202a, the limiting block 204b is fixed at one side of the positioning sleeve 204a, a limiting groove N is formed in the movable column 202a, and the limiting block 204b is engaged with the limiting groove N.
The positioning sleeve 204a is semicircular, the number corresponds to that of the movable columns 202a, the positioning sleeve 204a is used for fixing the limiting block 204b and driving the limiting block 204b to move, when the limiting block 204b is clamped with the limiting groove N, the limiting block 204b and the limiting groove N are matched to limit the movable columns 202a, so that the movable columns 202a do not move, the situation that the viscometer body 101 can incline is avoided, the number of the limiting grooves N is multiple, the positioning sleeve is uniformly distributed on one side of the movable columns 202a in a straight line, and the movable columns 202a can be locked at any position through the arrangement of the limiting grooves N.
Specifically, the locking piece 204 further includes a positioning column 204c, a rotating plate 204d, a connecting block 204e and a positioning shaft 204f, the supporting sleeve 201 is internally provided with a second chamber M, the positioning column 204c is rotatably connected in the second chamber M, the rotating plate 204d is fixed on the outer side of the positioning column 204c, the connecting block 204e is fixed on one side of the positioning sleeve 204a, the positioning shaft 204f is fixed on the connecting block 204e, the rotating plate 204d is provided with a guide groove Q, and the positioning shaft 204f slides in the guide groove Q.
A positioning block (not shown in the figure) is fixed at the bottom of the positioning sleeve 204a, a positioning groove (not shown in the figure) is formed in the inner bottom wall of the second cavity M, the positioning block slides in the positioning groove, the positioning block and the positioning sleeve are matched to position the positioning sleeve 204a, the situation that the positioning sleeve is offset when moving is avoided, the positioning column 204c is rotationally connected with the second cavity M through a bearing, the number of the connecting blocks 204e and the positioning shafts 204f corresponds to that of the positioning sleeve 204a, the guide groove Q is arc-shaped, the end parts of the guide groove Q are close to the center of the rotating plate 204d, when the rotating plate 204d rotates, the positioning shafts 204f move along the guide groove Q to the center of the rotating plate 204d, and the connecting blocks 204e and the positioning sleeve 204a are driven to move through the positioning shafts 204f, so that the positioning sleeve 204a drives the limiting blocks 204b to be separated from the limiting grooves N, the limiting of the movable column 202a can be released, the movable column 202a can move downwards, and when the rotating plate 204d rotates reversely, the positioning sleeve 204a can be driven to move towards one side close to the movable column 202a, and the limiting blocks 204b can be locked again.
Examples
Referring to fig. 1 to 8, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the locking piece 204 further includes a movable plate 204g, a push rod 204h and a fixed shaft 204i, the movable plate 204g is located at the outer side of the positioning column 204c, the push rod 204h is fixed at the top of the movable plate 204g, the fixed shaft 204i is fixed at the inner side of the movable plate 204g, a spiral groove W is formed in the positioning column 204c, and the fixed shaft 204i slides in the spiral groove W.
The number of the ejector rods 204h is multiple, the ejector rods 204h are uniformly distributed at the top of the movable plate 204g, the ejector rods 204h penetrate into the first chamber X and are in contact with the induction ball 203a, the induction ball 203a is limited through the ejector rods 204h, so that the induction ball 203a cannot deviate when being vibrated, when the positioning column 204c rotates, the movable plate 204g is driven to move downwards through the cooperation of the fixed shaft 204i and the spiral groove W, the ejector rods 204h are separated from the induction ball 203a, and the induction ball 203a can move according to an inclined angle.
Specifically, the pushing member 205 includes a connecting rod 205a, a positioning frame 205b, a pushing rod 205c and a connecting column 205d, wherein the connecting rod 205a is fixed on one side of the positioning column 204c, the positioning frame 205b is located outside the connecting rod 205a, the pushing rod 205c is disposed on one side of the positioning frame 205b, and one end of the connecting column 205d is fixed with the pushing rod 205 c.
The positioning frame 205b is movably connected with the outer side of the connecting rod 205a, the push rod 205c is hinged with the positioning frame 205b through a hinge block, the connecting column 205d penetrates through the outer sides of the supporting sleeve 201 and the base 102, when the connecting column 205d is pushed to move, the push rod 205c is driven to move, the positioning frame 205b and the connecting rod 205a are driven to move through the push rod 205c, and accordingly the connecting rod 205a can drive the positioning column 204c to rotate.
Specifically, the pushing member 205 further includes a fixing sleeve 205e and a sealing sleeve 205f, the fixing sleeve 205e is fixed on one side of the inner wall of the base 102, the sealing sleeve 205f is fixed on the outer side of the connecting column 205d, and the sealing sleeve 205f is movably connected with the fixing sleeve 205 e.
An air hole is formed in one side of the fixed sleeve 205e, when the push rod 205c moves, the sealing sleeve 205f is driven to slide in the fixed sleeve 205e, and when the push rod 205c moves reversely, the speed of resetting the push rod 205c can be reduced through friction of the sealing sleeve 205f in the fixed sleeve 205e, so that the viscosimeter body 101 can have enough time to be adjusted to a horizontal state.
Specifically, the pushing member 205 further includes a second spring 205g, where two ends of the second spring 205g are fixed to inner walls of the sealing sleeve 205f and the fixing sleeve 205e, and sleeved on an outer side of the connecting post 205 d.
The second spring 205g is configured to apply a pushing force to the sealing sleeve 205f, and drive the connecting post 205d to move through the sealing sleeve 205f, so that the connecting post 205d can be reset.
When the viscometer body 101 is placed on a desktop and is not in a horizontal state, the connecting column 205d is pushed to drive the push rod 205c to move, the push rod 205c drives the positioning frame 205b and the connecting rod 205a to move, the connecting rod 205a drives the positioning column 204c to rotate, the positioning column 204c drives the rotating plate 204d to rotate, when the rotating plate 204d rotates, the positioning shaft 204f moves towards the center of the rotating plate 204d along the guide groove Q, the connecting block 204e and the positioning sleeve 204a are driven to move through the positioning shaft 204f, the positioning sleeve 204a drives the limiting block 204b to be separated from the limiting groove N, so that the limitation on the movable column 202a can be removed, meanwhile, the positioning column 204c drives the movable plate 204g to move downwards through the cooperation of the fixed shaft 204i and the spiral groove W and separates the ejector rod 204h from the sensing ball 203a, and the sensing ball 203a can move according to an inclined angle.
When the viscometer body 101 tilts, the sensing ball 203a moves towards the tilting direction of the viscometer body 101 and drives the force receiving plate 203b to move through the sensing ball 203a, when the connecting plate 203c contacts with the inclined surface at the top of the force receiving plate 203b, the force receiving plate 203b releases the support on the connecting plate 203c and the movable column 202a, at the moment, a downward pulling force is applied to the movable column 202a through the first spring 202b, when the viscometer body 101 tilts, the movable column 202a opposite to the tilting direction moves downward through the pulling force of the first spring 202b and drives one side of the supporting plate 103 to move downward through the movable column 202a until the supporting plate 103 is in a horizontal state, and then the movable column 202a stops moving, so that the viscometer body 101 can be adjusted to a horizontal state.
When the viscometer body 101 is adjusted to be in a horizontal state, a thrust force is applied to the sealing sleeve 205f through the second spring 205g, the connecting column 205d is driven to move through the sealing sleeve 205f, the connecting column 205d drives the push rod 205c, the positioning column 204c and the rotating plate 204d are driven to reversely rotate through the push rod 205c, when the rotating plate 204d reversely rotates, the positioning sleeve 204a is driven to move to one side close to the movable column 202a, the limiting block 204b is enabled to be clamped with the limiting groove N again, the movable column 202a can be locked continuously, the movable column 202a cannot move up and down, meanwhile, the movable plate 204g is driven to move upwards through the cooperation of the fixing shaft 204i and the spiral groove W, the ejector rod 204h is enabled to contact with the sensing ball 203a, and the sensing ball 203a is limited through the ejector rod 204h, so that the sensing ball 203a cannot deviate when being vibrated, and the situation that the viscometer body 101 can tilt in the use process can be avoided.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (5)
1. An asphalt viscosity rotational viscometer, characterized in that: comprising the steps of (a) a step of,
the main body assembly (100) comprises a viscometer body (101), a base (102) and a supporting plate (103), wherein the base (102) is arranged below the viscometer body (101), and the supporting plate (103) is fixed at the bottom of the viscometer body (101);
the adjusting assembly (200) is arranged in the base (102) and comprises a supporting sleeve (201), an adjusting piece (202), an induction piece (203), a locking piece (204) and a pushing piece (205), wherein the supporting sleeve (201) is fixed in the base (102), the adjusting piece (202) is arranged in the supporting sleeve (201), the induction piece (203) is arranged in the supporting sleeve (201), the locking piece (204) is arranged on one side of the adjusting piece (202), the pushing piece (205) is arranged on one side of the locking piece (204), and the locking piece (204) is driven to move through the arrangement of the pushing piece (205), so that the locking piece (204) can release the locking of the adjusting piece (202) and the induction piece (203).
The adjusting piece (202) comprises a movable column (202 a) and a first spring (202 b), a slot (Z) is formed in the supporting sleeve (201), the movable column (202 a) is inserted into the slot (Z), two ends of the first spring (202 b) are respectively fixed with the movable column (202 a) and the inner wall of the base (102), and the top end of the movable column (202 a) is hinged with the supporting plate (103) through a hinge plate;
the induction piece (203) comprises an induction ball (203 a), a stress plate (203 b) and a connecting plate (203 c), a first cavity (X) is formed in the support sleeve (201), the induction ball (203 a) is located in the first cavity (X), the stress plate (203 b) is rotationally connected to the top of the induction ball (203 a), the connecting plate (203 c) is fixed on one side of the movable column (202 a), the stress plate (203 b) is annular, the outer edge of the top of the stress plate (203 b) is inclined, the number of the connecting plates (203 c) corresponds to that of the movable column (202 a), and in an initial state, the induction ball (203 a) is located at the center of the first cavity (X), and meanwhile, the top of the stress plate (203 b) is in contact with a plurality of the connecting plates (203 c).
The induction piece (203) further comprises a positioning rod (203 d), the positioning rod (203 d) is fixed at the bottom of the stress plate (203 b), a through groove (V) is formed in the inner wall of the first cavity (X), and the positioning rod (203 d) is movably connected with the inside of the through groove (V);
the locking piece (204) comprises a locating sleeve (204 a) and a limiting block (204 b), the locating sleeve (204 a) is located on one side of the movable column (202 a), the limiting block (204 b) is fixed on one side of the locating sleeve (204 a), a limiting groove (N) is formed in the movable column (202 a), and the limiting block (204 b) is clamped with the limiting groove (N);
the locking piece (204) further comprises a positioning column (204 c), a rotating plate (204 d), a connecting block (204 e) and a positioning shaft (204 f), a second cavity (M) is formed in the supporting sleeve (201), the positioning column (204 c) is rotationally connected in the second cavity (M), the rotating plate (204 d) is fixed on the outer side of the positioning column (204 c), the connecting block (204 e) is fixed on one side of the positioning sleeve (204 a), the positioning shaft (204 f) is fixed on the connecting block (204 e), a guide groove (Q) is formed in the rotating plate (204 d), and the positioning shaft (204 f) slides in the guide groove (Q).
2. The asphalt viscosity rotational viscometer of claim 1 in which: the locking piece (204) further comprises a movable plate (204 g), a push rod (204 h) and a fixed shaft (204 i), wherein the movable plate (204 g) is located on the outer side of the positioning column (204 c), the push rod (204 h) is fixed on the top of the movable plate (204 g), the fixed shaft (204 i) is fixed on the inner side of the movable plate (204 g), a spiral groove (W) is formed in the positioning column (204 c), and the fixed shaft (204 i) slides in the spiral groove (W).
3. The asphalt viscosity rotational viscometer of claim 2 in which: the pushing piece (205) comprises a connecting rod (205 a), a positioning frame (205 b), a pushing rod (205 c) and a connecting column (205 d), wherein the connecting rod (205 a) is fixed on one side of the positioning column (204 c), the positioning frame (205 b) is positioned on the outer side of the connecting rod (205 a), the pushing rod (205 c) is arranged on one side of the positioning frame (205 b), and one end of the connecting column (205 d) is fixed with the pushing rod (205 c).
4. An asphalt viscosity rotational viscometer as defined in claim 3, wherein: the pushing piece (205) further comprises a fixed sleeve (205 e) and a sealing sleeve (205 f), the fixed sleeve (205 e) is fixed on one side of the inner wall of the base (102), the sealing sleeve (205 f) is fixed on the outer side of the connecting column (205 d), and the sealing sleeve (205 f) is movably connected with the fixed sleeve (205 e).
5. The asphalt viscosity rotational viscometer of claim 4 in which: the pushing piece (205) further comprises a second spring (205 g), two ends of the second spring (205 g) are respectively fixed with the sealing sleeve (205 f) and the inner wall of the fixing sleeve (205 e), and are sleeved on the outer side of the connecting column (205 d).
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| CN202310874458.9A CN116858727B (en) | 2023-07-17 | 2023-07-17 | Asphalt viscosity rotary viscometer |
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