CN111306409B - Full-automatic movable coal level meter - Google Patents

Full-automatic movable coal level meter Download PDF

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Publication number
CN111306409B
CN111306409B CN202010160126.0A CN202010160126A CN111306409B CN 111306409 B CN111306409 B CN 111306409B CN 202010160126 A CN202010160126 A CN 202010160126A CN 111306409 B CN111306409 B CN 111306409B
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China
Prior art keywords
coal level
level meter
rod
supporting plate
screw rod
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CN202010160126.0A
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CN111306409A (en
Inventor
史书卫
黄少龙
郭江涛
程宝军
柳凯
张天山
陈跃朋
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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
    • 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
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • 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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • 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
    • F16N—LUBRICATING
    • F16N15/00—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
    • F16N15/02—Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions with graphite or graphite-containing compositions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves

Abstract

The invention discloses a full-automatic movable coal level meter, which comprises a base, a control panel and a motor, wherein a support frame is connected to the right side of the base, a rotating shaft is inserted into the other end of the support frame, an adjusting frame is connected to the outer side of the rotating shaft, an installation frame is connected to the middle position of the rotating shaft, a coal level meter main body is inserted into the installation frame, the control panel is arranged above the middle position of the base, and the motor is arranged above the left side of the base. According to the coal level gauge, the rotating disc is arranged to reciprocally pull the swing rod to swing in the left-right direction during continuous rotation, and the adjusting frame is driven to swing in the left-right direction through the transmission of the transmission rod and the push rod, so that the coal level gauge body arranged on the mounting frame swings in the left-right direction, the square points of the coal level gauge body during measurement are increased, multi-point measurement is effectively achieved, the measurement accuracy of the device is greatly improved, and the working efficiency and the safety of the device during use are effectively improved.

Description

Full-automatic movable coal level meter
Technical Field
The invention relates to the technical field of coal level metering equipment, in particular to a full-automatic movable coal level meter.
Background
In the production of coal, the coal storage bin is a main container for storing coal in the production process of coal, and is a cylindrical coal storage container. The inventory of the stored coal is always a relatively troublesome problem, but the inventory is also one of important links of production management, and has direct influence on production scheduling and railway transportation.
In order to inventory stored coal in the prior art, a radar coal level gauge single fixed mode is generally adopted to be installed at the top of a coal bunker, the measuring position is fixed, and raw coal enters the coal bunker, the irregular surface shape can be formed randomly, the existing coal level gauge can only measure the coal level height of one point, the accurate raw coal storage content cannot be provided, and the inventory of the raw coal content is caused to be influenced.
In addition, because the measurement of a single coal level meter is not comprehensive enough, in the existing coal inventory work, a tape measure is usually adopted manually to measure the coal levels of a plurality of points, and then an average value is obtained to reduce the measurement error, but the manual measurement has long time, low speed and low safety coefficient.
Therefore, in order to solve the above technical problems, the present invention provides a fully automatic movable coal level meter to better store coal, improve measurement accuracy and efficiency, and improve safety during measurement.
Disclosure of Invention
The invention aims to provide a full-automatic movable coal level meter, which solves the technical problems that the coal level meter adopted in the prior art for coal quantity inventory in a coal bunker is fixed in position, so that the coal quantity measurement data is not comprehensive enough, the accuracy of the coal quantity inventory is influenced, and workers need to manually measure the coal quantity of multiple points to assist in data acquisition, so that the working efficiency is low and the safety coefficient is low.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a full-automatic movable coal level meter, includes base, control panel and motor, the right side of base is connected with the stand, and the other end of stand inserts and is equipped with the pivot, the outside of pivot is connected with the alignment jig, the intermediate position of pivot is connected with the mounting bracket, and the inside of mounting bracket inserts and is equipped with the coal level meter main part, the left side top of base is provided with the motor, and is provided with the rolling disc on the rotation output shaft of motor, the outside edge position of rolling disc articulates there is the pendulum rod, the top of base is provided with fixed cover, and the inside of fixed cover inserts and is equipped with the transfer line, the one end of transfer line articulates there is.
Preferably, a control panel is arranged above the middle position of the base, and the coal level meter main body and the motor are both connected with the control panel; the center position of the rotating disc is connected with the output shaft of the motor.
Preferably, the adjusting bracket comprises a supporting plate, a first screw rod and an adjusting sleeve, the bottom of the supporting plate is connected to the outer side of the rotating shaft, the first screw rod is inserted into the back of the supporting plate through a support, the adjusting sleeve is sleeved on the outer side of the first screw rod, and the first screw rod is connected with the supporting plate in a rotating mode.
Preferably, the thread assembled on the outer side of the first screw rod is matched with the thread assembled on the inner wall of the adjusting sleeve, and the adjusting sleeve is in threaded rotary connection with the first screw rod through threaded engagement.
Preferably, the back of the supporting plate is provided with a sliding groove, one side of the adjusting sleeve close to the supporting plate is connected with a sliding block, the sliding block is clamped in the sliding groove formed in the back of the supporting plate, the sliding block connected to the adjusting sleeve is matched with the sliding groove formed in the supporting plate, and the adjusting sleeve is in vertical sliding connection with the supporting plate through the matching of the sliding block and the sliding groove.
Preferably, the mounting bracket includes that holding frame, connecting block, connecting rod, thread bush, second screw rod and extrusion push away the pad, the right side symmetry of holding frame is provided with two sets of connecting blocks, and two sets of it is equipped with the connecting rod to insert between the connecting block, the intermediate position of connecting rod is connected with the thread bush, and the inside of thread bush is inserted and is equipped with the second screw rod.
Preferably, the one end of second screw rod articulates there is the extrusion to push away the pad, the appearance of holding frame is the U-shaped, and is two sets of draw-in groove has been seted up to the symmetry on the connecting block, and the appearance of draw-in groove is the slope form, both ends are inserted respectively in the draw-in groove of seting up on the connecting block around the connecting rod, the connecting rod passes through draw-in groove and connecting block sliding connection.
Preferably, the threads assembled inside the threaded sleeve are matched with the threads assembled outside the second screw rod, the second screw rod is rotatably connected with the threaded sleeve through meshing of the threads, the extrusion push pad is rotatably connected with the second screw rod, and the anti-skid wear lines are uniformly assembled on the other side of the extrusion push pad.
Preferably, the inner part of the fixing sleeve and the outer part of the transmission rod are both square, and the inner size of the fixing sleeve is matched with the outer size of the transmission rod.
The fixed sleeve is connected with the transmission rod in a sliding mode, the other end of the transmission rod is hinged to the swing rod, the transmission rod is rotatably connected with the swing rod, the other end of the push rod is hinged to the adjusting sleeve, and the push rod is rotatably connected with the adjusting sleeve.
Preferably, the right side of the base is rotatably or fixedly connected with the support frame.
Preferably, the coal level meter used by the coal level meter main body is a radar coal level meter.
Preferably, a gearbox is further arranged between the output shaft of the motor and the rotating disc, the output shaft of the motor is connected with the input shaft of the gearbox, and the output shaft of the gearbox is connected with the center of the rotating disc.
Preferably, in order to better realize the expansion of the swing angle of the coal level meter during the measurement of the coal level, reduce the signal fluctuation generated by extra shaking during the measurement of the coal level meter and improve the measurement comprehensiveness, the fixed sleeve and the transmission rod are in clearance fit, the fit clearance of the fixed sleeve and the transmission rod is 0.05-0.08mm, the surface roughness Ra of the fit surface is 0.04-0.06 micrometer, and the hardness Y of the fit surface is HB 205-234; in particular, the fitting clearance and the hardness Y satisfy a relation of Y being 11.5 or more and 18.2 or less.
Preferably, the rotating speed R of the rotating disc is 5-12R/min.
Preferably, in order to further improve the accuracy and comprehensiveness of the detection and reduce signal fluctuation caused by additional shaking during measurement of the coal level gauge, the surface roughness Ra and the hardness Y of the matching surfaces of the fixed sleeve and the transmission rod and the rotating speed R of the rotating disc satisfy the following relations:
Y＝α·(R/Ra)；
wherein alpha is a hardness coefficient and has a value range of 0.72-2.59.
Preferably, a lubricant is arranged between the fixed sleeve and the transmission rod, and the lubricant is graphite powder; the specific surface area S of the graphite powder is 320-590m2/g。
Preferably, the specific surface area S of the graphite powder, the hardness Y, and the rotation speed R of the rotating disk satisfy the following relationship:
S/R＝β·Y1/2；
wherein beta is a relation coefficient, and the value range is 2.3-7.9.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the full-automatic movable coal level meter, the motor is arranged to drive the rotating disc to rotate when being started, and one end of the swing rod is hinged to the outer edge position of the rotating disc, so that the rotating disc can swing in the left-right direction in a reciprocating manner when continuously rotating, and the adjusting frame can be driven to swing left and right through the transmission of the transmission rod and the push rod, so that a coal level meter main body fixed on the mounting frame can swing left and right, the square points of the coal level meter main body during measurement are increased, multi-point measurement is effectively realized, and the measurement comprehensiveness of the device is greatly improved; meanwhile, manual operation is not needed, and the working efficiency and the safety of the device in use are effectively improved.
2. According to the full-automatic movable coal level meter, the adjusting sleeve is in threaded rotary connection with the first screw rod, so that the first screw rod can drive the adjusting sleeve to move up and down when rotating, the position of the adjusting sleeve is flexibly adjusted, the swinging amplitude of the coal level meter main body can be adjusted according to the requirement in use, and the use flexibility of the device is effectively improved.
3. According to the full-automatic movable coal level meter, the second screw rod is in threaded rotary connection with the threaded sleeve, so that the extrusion push pad can be driven to move in the left and right directions when the second screw rod is rotated, the extrusion push pad can be moved to clamp the coal level meter main body in the clamping frame through adjustment, the coal level meter main body with different specifications can be fixed by the device, the application range of the device is greatly enlarged, meanwhile, the connecting rod is clamped in the clamping groove formed in the connecting block, the clamping groove is inclined, the connecting rod can be detached conveniently, and the mounting is firmer.
4. According to the full-automatic movable coal level meter, the relationship and the range of the fit clearance between the fixed sleeve and the transmission rod and the surface roughness and hardness of the fit surface are set, so that the swing angle of the coal level meter during coal level measurement is better enlarged, signal fluctuation caused by extra shaking during coal level measurement is reduced, and the measurement comprehensiveness is improved.
5. According to the full-automatic movable coal level meter, the relation which is satisfied by the surface roughness Ra and the hardness Y of the matching surfaces of the fixed sleeve and the transmission rod and the rotating speed R of the rotating disc is set, so that the accuracy and the comprehensiveness of detection are further improved, and signal fluctuation caused by extra shaking during measurement of the coal level meter is reduced.
6. According to the full-automatic movable coal level meter, the specific surface area S and the hardness Y of the graphite powder and the rotating speed R of the rotating disc are set to meet the relationship, so that the detection accuracy and comprehensiveness are improved better, and signal fluctuation caused by extra shaking during measurement of the coal level meter is reduced.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention.
Fig. 2 is a schematic structural front view of the present invention.
Fig. 3 is a back view of the structure of the adjusting bracket of the present invention.
Fig. 4 is a schematic top view of the structure of the mounting rack of the present invention.
FIG. 5 is a schematic structural elevation cross-sectional view of a mount of the present invention;
fig. 6 is an enlarged view of the structure at a in fig. 1 according to the present invention.
In the figure: 1. a base; 2. a holder; 3. a rotating shaft; 4. an adjusting bracket; 41. a support plate; 42. a first screw; 43. an adjusting sleeve; 5. a mounting frame; 51. a clamping frame; 52. connecting blocks; 53. a connecting rod; 54. a threaded sleeve; 55. a second screw; 56. extruding the push pad; 6. a coal level meter main body; 7. a control panel; 8. a motor; 9. rotating the disc; 10. a swing rod; 11. fixing a sleeve; 12. a transmission rod; 13. a push rod.
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.
Example 1
Referring to fig. 1-6, a full-automatic movable coal level meter comprises a base 1, a control panel 7 and a motor 8, wherein a support frame 2 is fixedly connected to the right side of the base 1, a rotating shaft 3 is inserted into the other end of the support frame 2, an adjusting frame 4 is fixedly connected to the outer side of the rotating shaft 3, the adjusting frame 4 comprises a support plate 41, a first screw 42 and an adjusting sleeve 43, the bottom of the support plate 41 is fixedly connected to the outer side of the rotating shaft 3, the first screw 42 is inserted into the back of the support plate 41 through a bracket, the adjusting sleeve 43 is sleeved on the outer side of the first screw 42, the first screw 42 is rotatably connected to the support plate 41, threads assembled on the outer side of the first screw 42 are matched with threads assembled on the inner wall of the adjusting sleeve 43, the adjusting sleeve 43 is rotatably connected to the threads of the first screw 42 through the meshing of the threads, when in operation, the adjusting sleeve 43 can be moved on the first screw 42 by rotating the first screw 42 under the meshing action, since the adjusting sleeve 43 is hinged with the push rod 13, and the push rod 13 pushes the adjusting sleeve 43. The push rod 13 is in ball joint with the adjusting sleeve 43, and the range of the adjusting frame 4 pushed during working can be effectively changed by changing the position of the adjusting sleeve 43, so that the device can be adjusted in different rotating ranges during use, and the use flexibility of the device is greatly improved.
The spout has been seted up at the back of backup pad 41, adjusting collar 43 is close to and is fixed with the slider in the one side connection of backup pad 41, and the slider block is in the spout that the backup pad 41 back was seted up, the spout looks adaptation of seting up on the slider of connecting on adjusting collar 43 and the backup pad 41, adjusting collar 43 passes through the cooperation of slider and spout and backup pad 41 upper and lower sliding connection, it is more stable when carrying out the regulation of reciprocating, be favorable to guaranteeing the operating stability of the device, and simultaneously, mutually support through slider and spout, make adjusting collar 43 only can carry out the ascending slip of upper and lower side, restriction adjusting collar 43 rotates, the effectual stability that has ensured that adjusting collar 43 carries out the regulation through the screw-thread engagement.
The intermediate position fixedly connected with mounting bracket 5 of pivot 3, and the inside of mounting bracket 5 is inserted and is equipped with coal level meter main part 6, mounting bracket 5 includes holding frame 51, connecting block 52, connecting rod 53, thread bush 54, second screw rod 55 and extrusion push pad 56, the right side symmetry of holding frame 51 is fixed with two sets of connecting block 52, and insert between two sets of connecting block 52 and be equipped with connecting rod 53, the intermediate position connection of connecting rod 53 is fixed with thread bush 54, and the inside of thread bush 54 is inserted and is equipped with second screw rod 55, the one end of second screw rod 55 articulates there is the extrusion push pad 56.
The appearance of holding frame 51 is the U-shaped, the draw-in groove has been seted up to the symmetry on two sets of connecting blocks 52, and the appearance of draw-in groove is the slope form, both ends are inserted respectively in the draw-in groove of seting up on connecting block 52 around connecting rod 53, connecting rod 53 passes through draw-in groove and connecting block 52 block sliding connection, make the device when changing coal level meter main part 6, connecting rod 53 can wholly take off, make the right side of holding frame 51 be open state, be convenient for to taking out and change coal level meter main part 6, the draw-in groove of seting up on the setting holding frame 51 is the slope shape, make when the installation, second screw rod 55 supports between coal level meter main part 6 and connecting rod 53, under the extrusion of support, the draw-in groove zonulae occludens of seting on connecting rod 53 and the connecting block 52, the effectual fastness of connecting rod 53 fixing has been ensured, make mounting.
The thread assembled inside the threaded sleeve 54 is matched with the thread assembled outside the second screw 55, the second screw 55 is in threaded rotary connection with the threaded sleeve 54 through the meshing of the threads, the extrusion push pad 56 is in rotary connection with the second screw 55, the anti-skid wear thread is uniformly assembled on the other side of the extrusion push pad 56, through the threaded connection between the second screw 55 and the threaded sleeve 54, the second screw 55 is rotated to drive the extrusion pushing pad 56 to move under the meshing drive of the threads, so that the device can be suitable for the coal level gauge main bodies 6 with different specifications, the application range of the device is effectively expanded, and simultaneously, the side surface of the extrusion push pad 56 is provided with anti-skid abrasive grains, so that the fixation firmness is effectively improved, and the extrusion pushing pad 56 is rotationally connected with the second screw 55, which is beneficial to preventing the extrusion pushing pad 56 from rotating along with the second screw 55 to cause scratching and abrasion on the surface of the coal level gauge main body 6.
The utility model discloses a device for controlling the work of base 1, including base 1, intermediate position top fixed mounting has control panel 7, control panel 7's internally mounted has shift knob, can control the device's work start, the fixed motor 8 that has installed in left side top of base 1, and fixed mounting has rolling disc 9 on motor 8's the rotation output shaft, the outside edge position of rolling disc 9 articulates there is pendulum rod 10, base 1's top fixed mounting has fixed cover 11, and fixed cover 11's inside is inserted and is equipped with transfer line 12, the one end of transfer line 12 articulates there is push rod 13, the inside of fixed cover 11 is square with the outside shape of transfer line 12, the inside size of fixed cover 11 and the outside size looks adaptation of transfer line 12, fixed cover 11 and transfer line 12 sliding connection, the other end of transfer line 12 articulates on pendulum.
The other end of the push rod 13 is hinged on the adjusting sleeve 43, the push rod 13 is rotatably connected with the adjusting sleeve 43, when the device works, the motor 8 is electrified and started to drive the rotating disc 9 fixed on the rotating output shaft of the device to rotate, the swing rod 10 is hinged at the edge position on the outer side of the rotating disc 9, the rotating disc 9 drives the swing rod 10 to swing left and right when rotating, the transmission rod 12 is pushed to move left and right through the left-right swing of the swing rod 10, the push rod 13 hinged at the other end of the transmission rod 12 is driven to move left and right, so that the upper end of the adjusting frame 4 on the device swings left and right, the coal level meter main body 6 arranged in the mounting frame 5 is driven to swing left and right through the rotating shaft 3, the orientation of the bottom of the coal level meter main body 6 is changed, multi-angle measurement is performed, the measurement comprehensiveness of the device is, and safer, the outside that sets up transfer line 12 is for the square with fixed cover 11 inside looks adaptation, restricts the rotation of transfer line 12, has effectually ensured the stability that transfer line 12 pushed the transmission about.
The coal level meter adopted by the coal level meter main body is a radar coal level meter, in particular to a German import VEGAPULS 68 coal level meter.
A gearbox is also arranged between the output shaft of the motor and the rotating disc, the output shaft of the motor is connected with the input shaft of the gearbox, and the output shaft of the gearbox is connected with the center of the rotating disc.
In order to better realize the expansion of the swing angle of the coal level meter during the measurement of the coal level, reduce the signal fluctuation generated by extra shaking during the measurement of the coal level meter and improve the measurement comprehensiveness, the fixed sleeve and the transmission rod are in clearance fit, the fit clearance of the fixed sleeve and the transmission rod is 0.05-0.08mm, the surface roughness Ra of the fit surface is 0.04-0.06 micrometer, and the hardness Y of the fit surface is HB 205-234; in particular, the fitting clearance and the hardness Y satisfy a relation of Y being 11.5 or more and 18.2 or less.
The rotating speed R of the rotating disc is 5-12R/min. In order to further improve the accuracy and comprehensiveness of detection and reduce signal fluctuation caused by extra shaking during measurement of the coal level gauge, the surface roughness Ra and the hardness Y of the matching surfaces of the fixed sleeve and the transmission rod and the rotating speed R of the rotating disc satisfy the following relations:
Y＝α·(R/Ra)；
wherein alpha is a hardness coefficient and has a value range of 0.72-2.59.
A lubricant is arranged between the fixed sleeve and the transmission rod, and the lubricant is graphite powder; the specific surface area S of the graphite powder is 320-590m2/g。
The specific surface area S and the hardness Y of the graphite powder and the rotating speed R of the rotating disc satisfy the following relations:
S/R＝β·Y1/2；
wherein beta is a relation coefficient, and the value range is 2.3-7.9.
The working principle is as follows: when the device works, a worker fixedly installs the device at the top of the coal bunker, then the worker connects the device with an external power supply through a wire, so that the external power supply provides electric power support for the device, and the worker can control the device to be powered on and started by pressing a safety pipe installed on the control panel 7;
during work, a worker rotates the first screw 42 in the adjusting frame 4, and under the meshing action of the threads, the adjusting sleeve 43 on the outer side of the first screw 42 moves up and down, so that the position of the adjusting sleeve 43 is adjusted, and the adjusting sleeve 43 is adjusted to a proper position according to the use requirement;
when the coal level meter works, the device is started, the motor 8 is electrified to drive the rotating disc 9 installed on the rotating output shaft of the motor to rotate, so that the left end of the oscillating rod 10 swings left and right in a reciprocating mode, when the oscillating rod 10 swings left and right, the transmission rod 12 hinged to the other end of the oscillating rod 10 is pushed to move left and right in a reciprocating mode inside the fixed sleeve 11, so that the push rod 13 drives the upper end of the adjusting frame 4 to swing left and right, due to the fact that the adjusting frame 4 is fixedly connected with the rotating shaft 3, the coal level meter main body 6 installed on the middle position of the installing frame 5 swings in a rotating mode in the left and right direction, the orientation of the bottom of the coal level meter main body 6 is changed;
during operation, if need change coal level gauge main part 6, the staff rotates second screw rod 55, under the meshing effect of screw thread, make second screw rod 55 remove right in threaded sleeve 54 inside, drive extrusion push pad 56 and remove right, loosen the extrusion centre gripping to coal level gauge main part 6, the staff upwards carries and draws connecting rod 53, can make connecting rod 53 break away from the draw-in groove of seting up on connecting block 52 and take out, afterwards, the staff changes the coal level gauge main part 6 of different specifications, when fixing coal level gauge main part 6, the staff is reverse to repeat above-mentioned step, insert connecting rod 53 and establish the draw-in groove of seting up on connecting block 52 in, reverse rotation second screw rod 55 drives extrusion push pad 56 and removes, it is fixed firm with coal level gauge main part 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a full-automatic movable coal level meter which characterized in that: comprises a base (1), a coal level meter main body (6), a motor (8) and a rotating disc (9); one side of the base (1) is connected with a support frame (2), a rotating shaft (3) is inserted into the other side of the support frame (2), the outer side of the rotating shaft (3) is connected with an adjusting frame (4), the middle position of the rotating shaft (3) is connected with an installation frame (5), a coal level meter main body (6) is inserted into the installation frame (5), a motor (8) is arranged on the base (1), a rotating disc (9) is arranged on a rotating output shaft of the motor (8), an oscillating bar (10) is hinged to the outer edge position of the rotating disc (9), a fixed sleeve (11) is arranged on the base (1), and a transmission rod (12) is inserted into the fixed sleeve (11); the right end of the transmission rod (12) is hinged with a push rod (13), and the left end of the transmission rod is hinged with the swing rod (10);
the fixed sleeve (11) and the transmission rod (12) are in clearance fit, the fit clearance is 0.05-0.08mm, the surface roughness Ra of the fit surface is 0.04-0.06 micrometer, and the hardness Y of the fit surface is HB 205-234; the fit clearance and the hardness Y satisfy the condition that Y is more than or equal to 11.5 and less than or equal to 18.2.
2. The fully automatic portable coal level meter according to claim 1, characterized in that: a control panel (7) is arranged on the base (1), and the coal level meter main body (6) and the motor (8) are both connected with the control panel (7); the center position of the rotating disc (9) is connected with the output shaft of the motor.
3. The fully automatic portable coal level meter according to claim 1, characterized in that: the adjusting bracket (4) comprises a supporting plate (41), a first screw rod (42) and an adjusting sleeve (43), the bottom of the supporting plate (41) is connected to the outer side of the rotating shaft (3), the first screw rod (42) is inserted into the back of the supporting plate (41) through a support, the adjusting sleeve (43) is sleeved on the outer side of the first screw rod (42), and the first screw rod (42) is rotatably connected with the supporting plate (41).
4. A fully automatic portable coal level meter according to claim 3, characterized in that: the back of the supporting plate (41) is provided with a sliding groove, one side of the adjusting sleeve (43) close to the supporting plate (41) is connected with a sliding block, the sliding block is clamped in the sliding groove formed in the back of the supporting plate (41), the sliding block connected to the adjusting sleeve (43) is matched with the sliding groove formed in the supporting plate (41), and the adjusting sleeve (43) is in vertical sliding connection with the supporting plate (41) through the matching of the sliding block and the sliding groove.
5. The fully automatic portable coal level meter according to claim 1, characterized in that: mounting bracket (5) are including holding frame (51), connecting block (52), connecting rod (53), thread bush (54), second screw rod (55) and extrusion push pad (56), the right side symmetry of holding frame (51) is provided with two sets of connecting block (52), and two sets of insert between connecting block (52) and be equipped with connecting rod (53), the intermediate position of connecting rod (53) is connected with thread bush (54), and the inside of thread bush (54) is inserted and is equipped with second screw rod (55).
6. The fully automatic portable coal level meter according to claim 5, wherein: the thread of thread bush (54) internal assembly matches with the thread of second screw rod (55) outside assembly, second screw rod (55) pass through meshing and thread bush (54) screw thread swivelling joint of screw thread, extrusion pushes away pad (56) and is connected with second screw rod (55) rotation, the opposite side that extrudees pad (56) evenly is equipped with anti-skidding and grinds the line.
7. The fully automatic portable coal level meter according to claim 2, characterized in that: the inside of fixed cover (11) and the outside shape of transfer line (12) are square, the inside size of fixed cover (11) and the outside size looks adaptation of transfer line (12).
CN202010160126.0A 2020-03-10 2020-03-10 Full-automatic movable coal level meter Active CN111306409B (en)

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Publication number Priority date Publication date Assignee Title
GB2133972B (en) * 1983-01-24 1986-08-20 Apv Int Ltd Pipe support fitting
CN101379372A (en) * 2006-02-07 2009-03-04 Vega格里沙贝两合公司 Field device having an assembly clip for fastening to a fastening area
CN205898248U (en) * 2016-08-04 2017-01-18 马鞍山市力翔机械自动化科技有限公司 Based on portable powder material position sensor of slider -crank mechanism
CN208075977U (en) * 2018-03-05 2018-11-09 北京圣世信通科技发展有限公司 A kind of Intelligent radar formula water-level gauge convenient for amendment detection angles
CN208860434U (en) * 2018-10-25 2019-05-14 山东东华水泥有限公司 A kind of position-measurement device
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