CN112963689B - Differential type leveling mechanism and leveling method for hydrological flow measurement platform - Google Patents
Differential type leveling mechanism and leveling method for hydrological flow measurement platform Download PDFInfo
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- CN112963689B CN112963689B CN202110335681.7A CN202110335681A CN112963689B CN 112963689 B CN112963689 B CN 112963689B CN 202110335681 A CN202110335681 A CN 202110335681A CN 112963689 B CN112963689 B CN 112963689B
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- leveling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Abstract
The invention discloses a differential leveling mechanism and a leveling method for a hydrological flow measurement platform. In the leveling process, one end of the left end and the right end of the platform rises, and the other end of the platform falls, so that the horizontal moving distance of the differential leveling drum is half of the height difference of the left side and the right side of the platform, the differential leveling drum has a stroke amplification function, namely, the electric push rod with a smaller stroke can be used for realizing the leveling in a larger range, and the left side and the right side of the drum are basically balanced in stress in the leveling process, so that the push rod only needs to overcome friction force and inertia force in theory, the leveling power is very low, and the differential leveling drum is an efficient and energy-saving leveling mode.
Description
Technical Field
The invention relates to the technical field of hydrological equipment, in particular to a differential leveling mechanism and a leveling method for a hydrological flow measurement platform.
Background
The main cable has certain sag in the process of erecting the cable channel, so that the hydrological flow measurement platform is inclined to a certain degree in a horizontal state at a certain starting point distance position. The box body is inclined, so that the accuracy of the hydrological test is influenced, and certain potential safety hazards also exist. The hydrological flow measurement platform can frequently carry out lifting operation in the test process, due to the selection reason of the winding mode of the suspension sling, the irregularity of a steel wire rope winding coil obtained by the winding shaft diameter at each time can not be uniformly wound, and further the problem of inconsistent suspension cables of the hydrological flow measurement platform can occur, the inclination is small when the span of the cable channel is small, the test is not influenced, when the span is large, in the process of running the hanging box, due to the weight of the steel wire rope cable channel and the weight of the hanging box, the cable channel is in an arc state, in the running process of the hanging box, the whole hanging box is in an inclined state, and in the inclined state, hydrological workers are in a dangerous state when carrying out flow measurement operation, the operation difficulty is increased, and the danger coefficient is greatly increased.
Through retrieval, application number CN201710136528.5, a hydrological hanging box lifting device capable of automatically adjusting the level of a hanging box is disclosed, wherein only left or right winding drums synchronously rotate by controlling the positive and negative rotation of a motor and the opening and closing of a clutch, and the hanging box level is adjusted anytime and anywhere and the lifting control of the hanging box is realized by adjusting the length of a hanging steel wire rope.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a differential leveling mechanism and a leveling method for a hydrological flow measurement platform, which can control a lifting motor to move on a platform slide rail, thereby achieving the leveling effect of a hydrological test platform.
In order to solve the above technical problem, the present invention provides a first technical solution as follows:
the invention relates to a differential leveling mechanism for a hydrological flow measurement platform, which comprises a platform frame, a sliding guide rail, a suspension sling, a leveling motor, a first guide wheel, an electric push rod, an ear plate, a pushing motor, a winding drum and a chute guide rail, wherein the suspension sling is vertically changed into a horizontal direction through the first guide wheel, a second guide wheel, a third guide wheel and a fourth guide wheel and is respectively wound to the outer side of the winding drum through the fifth guide wheel, the sixth guide wheel, the seventh guide wheel and the eighth guide wheel, one end of the electric push rod is provided with the pushing motor, the pushing motor moves on the ear plate, the chute guide rail is arranged on two sides of the ear plate, and the upper end of the pushing motor is provided with a main motor base.
As a preferred technical scheme of the invention, the pushing motor is connected to a sliding guide rail of the platform frame through a main motor base, and the leveling motor is connected with the main motor base through an ear plate.
As a preferred technical scheme of the invention, the voltage of the push motor is direct current 48V, the rated power is 36W-60W, the material is aluminum alloy and zinc alloy, the stroke of the push rod is 200mm, the environmental temperature is-25 ℃ to 75 ℃, and the push motor is a brush direct current motor.
As a preferred technical solution of the present invention, the pushing motor is at a horizontal position in the middle of the cableway, the cableway has no height difference at the left and right ends of the platform, the extension of the push rod is 100mm, that is, at the middle position, the maximum distance adjusting allowance at the left and right banks is 100mm, the height difference at the left and right ends of the platform is 200mm, the distance between the left and right steel wire ropes of the platform is about 1500mm, and the maximum adjustable inclination is 1:7.5.
as a preferred technical scheme of the invention, a sliding block is arranged in the pushing motor, and the sliding block, the pushing motor and the winding drum all move left and right on the sliding chute guide rail.
The invention provides a second technical scheme as follows:
the invention also provides a using method of the leveling method of the differential leveling mechanism for the hydrological flow measurement platform, which comprises the following steps:
a. when the platform inclines in the horizontal operation process, the leveling knob is rotated, a push rod of the pushing motor extends or retracts, the left leveling is that the pushing motor retracts, the right leveling is that the pushing motor extends, a sliding block on the pushing motor, the pushing motor and a winding drum are pushed to move left and right on the sliding chute guide rail together, the length of a steel wire rope at one end of the platform is lengthened, the length of a steel wire rope at the other end of the platform is shortened, and therefore the function of enabling the platform to return to the horizontal state from the inclined state is achieved.
As a preferred technical scheme of the invention, in the operation process of the step a, the horizontal moving distance of the winding drum is half of the height difference of the left side and the right side of the platform, and the electric push rod with a smaller stroke can also be used for realizing the leveling in a larger range.
When the step a is used, an operator controls the push motor through the handle to control the push rod to extend or retract.
As a preferred technical scheme of the invention, the operation of the handle comprises the following specific steps:
the "start" button: after a 'start' button is pressed, a handle is started for remote control, and then platform movement is operated according to requirements;
"level left" and "level right" buttons: the left leveling button is pressed and not placed, so that the platform can be continuously leveled on the left side, and the button can be released to stop the left leveling after the platform reaches a target state; the leveling right button is pressed and not placed, so that the platform can be continuously leveled on the right, and the button is released to stop the platform from leveling on the right after the platform reaches a target state;
d. the handle integrates other operating instructions of the platform.
Compared with the prior art, the invention has the following beneficial effects:
1: according to the invention, the push rod of the push motor is extended or retracted, the left leveling part is the retraction of the push motor, the right leveling part is the extension of the push motor, the sliding block on the main motor, the main motor and the winding drum are pushed to move left and right on the sliding chute guide rail together, the total length of the steel wire rope is fixed, and the steel wire rope at one end of the platform is lengthened while the corresponding length of the steel wire rope at the other end of the platform is shortened through the position movement of the main motor, so that the function of returning the platform from an inclined state to a horizontal state is achieved.
2: in the leveling process, one end of the left end and the right end of the platform is raised, the other end of the left end and the right end of the platform is lowered, so the platform is called differential leveling, the horizontal moving distance of the winding drum is half of the height difference of the left side and the right side of the platform, the winding drum has a stroke amplification effect, namely, the electric push rod with a smaller stroke can be used for realizing the leveling in a larger range, and in the leveling process, the left side and the right side of the winding drum are basically balanced in stress, so the push rod only needs to overcome friction force and inertia force theoretically, and the leveling power is very low. Is an efficient and energy-saving leveling mode.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In the drawings:
FIG. 1 is a schematic view of the structural arrangement of the present invention;
FIG. 2 is a schematic view of the arrangement of the push rod and the main motor of the present invention;
in the figure: 1. a first guide wheel; 2. a second guide wheel; 3. a third guide wheel; 4. a fourth guide wheel; 5. a fifth guide wheel; 6. a sixth guide wheel; 7. a seventh guide wheel; 8. a guide wheel No. eight; 9. an electric push rod; 10. an ear plate; 11. a push motor; 12. a reel; 13. a chute guide.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-2, the present invention provides a differential leveling mechanism for a hydrological flow measurement platform, which includes a platform frame, a sliding guide rail, a suspension cable, a leveling motor, a first guide wheel 1, an electric push rod 9, an ear plate 10, a push motor 11, a winding drum 12, a chute guide rail 13 and a push motor 11, wherein the suspension cable is converted from a vertical direction to a horizontal direction through the first guide wheel 1, the second guide wheel 2, the third guide wheel 3 and the fourth guide wheel 4, and is respectively wound to the outer side of the winding drum 12 through the fifth guide wheel 5, the sixth guide wheel 6, the seventh guide wheel 7 and the eighth guide wheel 8, the push motor 11 is arranged at one end of the electric push rod 9, the push motor 11 moves on the ear plate 10, the chute guide rail 13 is arranged at both sides of the ear plate 10, and a main motor seat is arranged at the upper end of the push motor 11.
Further, the pushing motor 11 is connected to the sliding guide rail of the platform frame through the main motor base, and the leveling motor is connected to the main motor base through the ear plate 10, so that the pushing motor 11 can move on the sliding guide rail along with the extension and contraction of the push rod.
The voltage of the pushing motor 11 is direct current 48V, the rated power is 36W-60W, the material is aluminum alloy and zinc alloy, the stroke of the pushing rod is 200mm, the ambient temperature is-25 ℃ to 75 ℃, and the pushing motor 11 is a brush direct current motor.
Horizontal position in the middle of the cableway is gone to push motor 11, and the cableway does not have the difference in height at both ends about the platform, and the push rod stretches out for 100mm, promptly at intermediate position, then controls the biggest journey surplus of transferring in two banks and be 100mm, and the difference in height at both ends is 200mm about the platform, and two wire rope's about the platform distance is about 1500mm, then the biggest adjustable inclination is 1:7.5.
a sliding block is arranged in the pushing motor 11, and the sliding block, the pushing motor 11 and the winding drum 12 move left and right on the chute guide rail 13.
The invention provides a using method of a leveling method of a differential leveling mechanism for a hydrological flow measurement platform, which comprises the following specific steps of:
a. when the platform inclines in the horizontal operation process, the leveling knob is rotated, a push rod of the pushing motor 11 extends or retracts, the left leveling is that the pushing motor 11 retracts, the right leveling is that the pushing motor 11 extends, a sliding block on the pushing motor 11, the pushing motor 11 and the winding drum 12 are pushed to move left and right on the sliding chute guide rail 13, so that the length of a steel wire rope at one end of the platform is lengthened, and the length of the steel wire rope at the other end of the platform is shortened, and therefore, the function of enabling the platform to return to a horizontal state from an inclined state is achieved.
In the leveling process, one end of the left end and the right end of the platform is raised, and the other end of the platform is lowered, so that the distance of horizontal movement of the differential leveling drum is half of the height difference of the left side and the right side of the platform, the differential leveling drum has a stroke amplification effect, namely, the electric push rod with a smaller stroke can be used for realizing leveling in a larger range, and the left side and the right side of the drum are basically balanced in stress, so that the push rod only needs to overcome friction force and inertia force theoretically, the leveling power is low, and the differential leveling drum is an efficient and energy-saving leveling mode.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydrology current surveying differential leveling mechanism for platform, includes platform frame, sliding guide, hangs the hoist cable, leveling motor, leading wheel (1), electric putter (9), otic placode (10), driving motor (11), reel (12) and spout guide (13), its characterized in that, hang the hoist cable through leading wheel (1), no. two leading wheels (2), no. three leading wheels (3) and No. four leading wheels (4) from vertical transition to horizontal direction to through No. five leading wheel (5), no. six leading wheels (6), no. seven leading wheels (7) and No. eight leading wheels (8) respectively twine to the reel (12) outside, the one end of electric putter (9) is provided with driving motor (11), driving motor (11) move on otic placode (10), spout guide (13) set up the both sides of otic placode, driving motor (11)'s upper end is provided with main motor seat, driving motor (11)'s inside is provided with the slider, and driving motor (11) and reel (12) all move about.
2. The differential leveling mechanism for hydrographic current measuring platform as claimed in claim 1, wherein the pushing motor (11) is connected to the sliding guide rail of the platform frame through the main motor base, and the leveling motor is connected with the main motor base through the ear plate (10).
3. The differential leveling mechanism for the hydrological flow measurement platform as claimed in claim 1, wherein the voltage of the pushing motor (11) is DC 48V, the rated power is 36W-60W, the material is aluminum alloy + zinc alloy, the stroke of the push rod is 200mm, the ambient temperature is-25 ℃ to 75 ℃, and the pushing motor (11) is a brush DC motor.
4. The differential leveling mechanism for the hydrological flow measurement platform according to claim 1, wherein the pushing motor (11) is at a horizontal position in the middle of the cable channel, the cable channel has no height difference at the left and right ends of the platform, the extension of the push rod is 100mm, that is, at the middle position, the maximum distance adjustment allowance at the left and right banks is 100mm, the height difference at the left and right ends of the platform is 200mm, and the distance between the left and right suspension cables of the platform is 1500mm, so that the maximum adjustable inclination is 1:7.5.
5. the leveling method adopting the differential leveling mechanism for the hydrological flow measuring platform as claimed in claim 1 is characterized by comprising the following specific steps:
a. when the platform inclines in the horizontal operation process, the leveling knob is rotated, a push rod of the pushing motor (11) extends or retracts, the pushing motor (11) retracts in the leveling left direction, the pushing motor (11) extends in the leveling right direction, a sliding block on the pushing motor (11), the pushing motor (11) and a winding drum (12) are pushed to move left and right on the sliding chute guide rail (13), the length of a suspension cable at one end of the platform is lengthened, the length of a suspension cable at the other end of the platform is shortened, and therefore the function of enabling the platform to return to a horizontal state from an inclined state is achieved.
6. The leveling method of the differential leveling mechanism for the hydrological flow measurement platform as claimed in claim 5, wherein during operation, the horizontal moving distance of the winding drum (12) is half of the height difference between the left side and the right side of the platform, and an electric push rod (9) with a small stroke can be used for realizing large-range leveling, and during leveling, the left side and the right side of the winding drum (12) are basically balanced in stress, so that the push rod only needs to overcome friction force and inertia force theoretically, the leveling power is small, and no additional motor load is added.
7. The method as claimed in claim 5, wherein an operator controls the push motor (11) via a handle to extend or retract the push rod.
8. The method as claimed in claim 7, wherein the operation of the handle comprises the following steps:
the "start" button: after a 'start' button is pressed, a handle is started for remote control, and then platform movement is operated according to the requirement;
the "level left" and "level right" buttons: the left leveling button is pressed to continuously level the platform to the left, and the button can be released to stop the left leveling after the platform reaches a target state; the leveling right button is pressed and not placed, so that the platform can be continuously leveled on the right, and the button is released to stop the platform from leveling on the right after the platform reaches a target state;
d. the handle integrates other operation instructions of the platform.
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| CN202110335681.7A CN112963689B (en) | 2021-03-29 | 2021-03-29 | Differential type leveling mechanism and leveling method for hydrological flow measurement platform |
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| CN202110335681.7A CN112963689B (en) | 2021-03-29 | 2021-03-29 | Differential type leveling mechanism and leveling method for hydrological flow measurement platform |
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