CN115096673A

CN115096673A - Movable lifting operation platform for coal sample preparation

Info

Publication number: CN115096673A
Application number: CN202210556872.0A
Authority: CN
Inventors: 王志敏; 曲凤东; 齐平军; 刘波; 王迪; 冯祥璐; 张改荣; 王建辉
Original assignee: Huaneng Qufu Thermal Power Co Ltd
Current assignee: Huaneng Qufu Thermal Power Co Ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-09-23

Abstract

The invention discloses a movable lifting operation platform for coal sampling, which relates to the technical field of platforms for coal sampling, and specifically relates to a movable lifting operation platform for coal sampling. This portable liftable operation panel is used to coal system appearance drives driving belt through driving motor and rotates, drives the column jacket rotation by driving belt again, can make the screw thread post reciprocate in the inside of column jacket, conveniently adjusts the height of operation mesa, and the during operation can be according to the height of different height font adjustment mesas.

Description

Movable lifting operation platform for coal sample preparation

Technical Field

The invention relates to the technical field of coal application platforms, in particular to a movable type lifting operation platform for coal sample preparation.

Background

In a coal-fired power plant, coal is used as the main raw material, and the quality of the coal directly influences the economic benefit and the power generation cost of the power plant, so that raw coal sampling, sample preparation and test teams are arranged in the coal-fired power plant to check and analyze main component indexes of the incoming coal so as to ensure that the coal quality is in a reasonable range. The sample preparation class is mainly responsible for drying, crushing and screening the obtained coal sample, and then sending the sample meeting the requirements to the chemical analysis class for chemical analysis. The coal sources and the mine types of various plants are different, the number of coal samples is from several to dozens, and sample preparation personnel squat on the floor to mix and divide during working. When the sample preparation device works in the posture for a long time, the sample preparation personnel are very easy to suffer from lumbar disc herniation and lower limb varicose veins, and the health of the working personnel is extremely unfavorable.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a movable type lifting operation platform for coal sample preparation, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: coal system sample is with portable liftable operation panel, including lower platform, the column jacket has been cup jointed in the top activity of platform down, the screw thread post has been cup jointed to the internal thread of column jacket, the top fixedly connected with operation mesa of screw thread post, the middle part fixed mounting of platform has driving motor down, driving motor's top transmission is connected with driving belt, the top of platform is inlayed down and is had battery and distance sensor, the top fixedly connected with guide slot of platform down, the bottom fixedly connected with connecting rod of operation mesa, the bottom fixedly connected with electric telescopic cylinder of connecting rod, the inboard of electric telescopic cylinder joint at the guide slot, fixedly connected with clamp plate on electric telescopic cylinder's the output shaft, the top of operation mesa articulates there is the expansion board, the expansion board symmetric distribution is both sides around the operation mesa.

Optionally, the number of the column sleeves is four, and the column sleeves are distributed at four corners of the lower platform, belt pulleys are fixedly sleeved outside the column sleeves, the transmission belts are engaged in the belt pulleys, and the driving motor is in transmission connection with the four column sleeves through the transmission belts.

Optionally, the front end fixed mounting of lower platform has high display screen, the side fixed mounting of high display screen has the lifting pedal, the lifting pedal includes the footboard that rises and descends, lifting pedal and driving motor electric connection.

Optionally, the guide grooves are symmetrically distributed on the left and right of the driving motor, racks are fixedly connected to the inner side surfaces of the guide grooves, and teeth matched with the racks are arranged on one side, close to the racks, of the pressing plate.

Optionally, the bottom of the lower platform is movably provided with universal wheels, and the universal wheels are distributed at four corners of the lower platform.

Optionally, the area of the expansion plate is equal to one half of the area of the operation table, the front end of the expansion plate is movably sleeved with a connecting block, the rear end of the connecting block is sleeved with a fixing bolt through threads, the fixing bolt is sleeved in the expansion plate at the rear end through threads, and the two expansion plates are connected together through the connecting block.

Optionally, a connecting pin hole is formed in the side face of the expansion plate, a connecting pin column is movably sleeved in the operation table top, the connecting pin hole is matched with the connecting pin column, a return spring is fixedly connected to the inner side end of the connecting pin column, a push block is fixedly connected to the front face of the inner side end of the connecting pin column, and the push block is clamped on the side face of the operation table top.

Optionally, the distance sensor is located on a side surface of a storage battery, the storage battery provides power for the distance sensor and the driving motor, and a distance measuring end on the top of the distance sensor is aligned with the operation table.

The invention provides a movable type liftable operating platform for coal sample preparation, which has the following beneficial effects:

1. this portable liftable operation panel is used to coal system appearance, it rotates to drive driving belt through driving motor, it is rotatory to drive the column jacket by driving belt again, can make the screw thread post reciprocate in the inside of column jacket, conveniently adjust the height of operation mesa, the during operation can be according to the height of different height font adjustment mesas, through setting up distance sensor, distance sensor can send infrared detection down the platform to the distance of operation mesa, the convenient accurate height that records the mesa, and adopt foot-operated lift footboard, conveniently adjust the height of operation mesa with the foot.

2. This portable liftable operation panel is used to coal system appearance uses through the cooperation of guide slot and electronic telescoping cylinder, and the guide slot can lead to electronic telescoping cylinder, improves the stability that the operation mesa reciprocated, removes suitable high back when the operation mesa, and electronic telescoping cylinder promotes the clamp plate and compresses tightly in the outside of rack, makes rack and clamp plate joint together, can fix the height of operation mesa, improves the stability of operation mesa.

3. This portable liftable operation panel is used to coal system appearance, through setting up the expansion board, when the area of operation mesa is not enough, can open the expansion board to enlarge the operation area of operation mesa, conveniently carry out the coal sampling, through setting up the connecting pin post, when the expansion board is opened, with connecting pin post plug-in connection pinhole, can be connected operation mesa and expansion board as a whole, stability when improving the expansion board and launching.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of a half section of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a lower platen according to the present invention;

FIG. 5 is an enlarged view of A of FIG. 3 according to the present invention;

fig. 6 is a schematic structural view of the expansion board of the present invention when it is unfolded.

In the figure: 1. a lower platform; 2. a column sleeve; 3. a threaded post; 4. an operation table top; 5. a belt pulley; 6. a drive motor; 7. a drive belt; 8. a height display screen; 9. a lifting pedal; 10. a universal wheel; 11. a storage battery; 12. a distance sensor; 13. a guide groove; 14. a rack; 15. a connecting rod; 16. an electric telescopic cylinder; 17. pressing a plate; 18. an expansion board; 19. connecting blocks; 20. fixing the bolt; 21. connecting pin holes; 22. connecting a pin column; 23. a return spring; 24. and (7) pushing the block.

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.

Referring to fig. 1 and 3, the present invention provides a technical solution: the movable lifting operation platform for the coal sample preparation comprises a lower platform 1, a column sleeve 2 is movably sleeved at the top of the lower platform 1, a threaded column 3 is sleeved at the inner thread of the column sleeve 2, an operation table top 4 is fixedly connected at the top of the threaded column 3, four column sleeves 2 are distributed at four corners of the lower platform 1, a belt pulley 5 is fixedly sleeved at the outer part of the column sleeve 2, a driving motor 6 is fixedly installed at the middle part of the lower platform 1, drive driving belt 7 through driving motor 6 and rotate, it is rotatory to drive post sleeve 2 by driving belt 7 again, can make threaded post 3 reciprocate in the inside of post sleeve 2, conveniently adjusts the height of operation mesa 4, the during operation can be according to the height of different height font adjustment mesas, driving motor 6's top transmission is connected with driving belt 7, driving belt 7 meshing is in belt pulley 5, driving motor 6 is connected with four post sleeve 2 transmissions through driving belt 7.

Referring to fig. 1 and 4, a height display screen 8 is fixedly mounted at the front end of the lower platform 1, the height display screen 8 is arranged to display the height of the operation table top 4, the height display screen 8 can display the height of the operation table top 4, the height can be observed more visually, a lifting pedal 9 is fixedly mounted on the side surface of the height display screen 8, the lifting pedal 9 comprises a lifting pedal and a descending pedal, the lifting pedal 9 is electrically connected with a driving motor 6, the lifting pedal 9 is arranged to control the forward and reverse rotation of the driving motor 6, the pedal type lifting pedal 9 is adopted to conveniently adjust the height of the operation table top 4 by feet, a universal wheel 10 is movably mounted at the bottom of the lower platform 1, the universal wheel 10 is distributed at the four corners of the lower platform 1, the top of the platform 1 is inlaid with a storage battery 11 and a distance sensor 12, the distance sensor 12 is located on the side surface of the storage battery 11, the storage battery 11 provides power for the distance sensor 12 and the driving motor 6, the distance measuring end at the top of the distance sensor 12 is aligned with the operating table top 4, and by arranging the distance sensor 12, the distance sensor 12 can send out the distance from the platform 1 to the operating table top 4 under the infrared detection, so that the height of the operating table top can be measured conveniently and accurately.

Referring to fig. 1 and 2, the top of the lower platform 1 is fixedly connected with guide slots 13, the guide slots 13 are symmetrically distributed on the left and right of the driving motor 6, the inner side of the guide slot 13 is fixedly connected with a rack 14, the guide slot 13 can guide an electric telescopic cylinder 16 through the matching use of the guide slot 13 and the electric telescopic cylinder 16, so as to improve the stability of the up-and-down movement of the operation table top 4, the bottom of the operation table top 4 is fixedly connected with a connecting rod 15, the bottom of the connecting rod 15 is fixedly connected with the electric telescopic cylinder 16, the electric telescopic cylinder 16 is clamped on the inner side of the guide slot 13, the output shaft of the electric telescopic cylinder 16 is fixedly connected with a pressure plate 17, one side of the pressure plate 17 close to the rack 14 is provided with teeth matched with the rack 14, through the matching use of the rack 14 and the pressure plate 17, when the operation table top 4 moves to a proper height, the electric telescopic cylinder 16 pushes the pressure plate 17 to be tightly pressed on the outside of the rack 14, the rack 14 and the pressing plate 17 are clamped together, so that the height of the operation table top 4 can be fixed.

Referring to fig. 3 and 6, the top of the operation table top 4 is hinged with expansion plates 18, the expansion plates 18 are symmetrically distributed on the front side and the rear side of the operation table top 4, the area of the expansion plates 18 is equal to half of the area of the operation table top 4, by arranging the expansion plates 18, when the area of the operation table top 4 is not enough, the expansion plates 18 can be opened, so that the operation area of the operation table top 4 is enlarged, and coal sampling is facilitated, the side surface of the front end expansion plate 18 is movably sleeved with a connecting block 19, the rear end of the connecting block 19 is screwed with a fixing bolt 20, the fixing bolt 20 is screwed into the expansion plate 18 at the rear end, by arranging the connecting block 19, the two expansion plates 18 are connected together by using the connecting block 19, so that the connection between the two expansion plates 18 is firmer, and the two expansion plates 18 are connected together by the connecting block 19.

Referring to fig. 3 and 5, a connecting pin hole 21 is formed in a side surface of the expansion board 18, a connecting pin 22 is movably sleeved in the operation table top 4, the connecting pin hole 21 is matched with the connecting pin 22, the connecting pin 22 is arranged, when the expansion board 18 is opened, the connecting pin 22 is inserted into the connecting pin hole 21, the operation table top 4 and the expansion board 18 can be connected into a whole, the stability of the expansion board 18 when the expansion board 18 is unfolded is improved, a return spring 23 is fixedly connected to an inner side end of the connecting pin 22, a push block 24 is fixedly connected to a front surface of an inner side end of the connecting pin 22, and the push block 24 is clamped on the side surface of the operation table top 4.

In conclusion, when the movable lifting operation platform for coal sample preparation is used, the driving motor 6 is controlled to rotate by treading the lifting pedal 9, the driving motor 6 is utilized to drive the transmission belt 7 to rotate, the transmission belt 7 drives the column sleeve 2 to rotate, the threaded column 3 can move up and down, the height of the operation platform surface 4 can be adjusted according to different heights, in the adjusting process, the distance sensor 12 emits infrared rays to measure the height from the operation platform surface 4 to the lower platform 1, then the height value is displayed on the height display screen 8, the measurement can be more accurately carried out, the lifting pedal 9 is loosened after the operation platform surface 4 moves to a proper height, the electric telescopic cylinder 16 pushes the pressing plate 17 to press the rack 14, the pressing plate 17 and the rack 14 are clamped together to fix the height of the operation platform surface 4, when the area of the operation platform surface 4 is not enough, the fixing bolt 20 is loosened to ensure that the connecting block 19 is not connected with the two expansion plates 18 any more, and then the expansion plate 18 is rotated outwards by 180 degrees to be expanded, the push block 24 is required to be pushed to move the connecting pin 22 to the inside of the operation table top 4 in the expanding process, and when the expansion plate 18 is laid flat, the push block 24 is released, so that the connecting pin 22 moves to the connecting pin hole 21 under the pushing of the return spring 23, and the expansion plate 18 is fixed.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, releasably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. Coal system sample is with portable liftable operation panel, including lower platform (1), its characterized in that: the top activity of lower platform (1) has cup jointed post cover (2), the internal thread of post cover (2) has cup jointed screw thread post (3), the top fixedly connected with operation mesa (4) of screw thread post (3), the middle part fixed mounting of lower platform (1) has driving motor (6), the top transmission of driving motor (6) is connected with driving belt (7), the top of lower platform (1) is inlayed and is had battery (11) and distance sensor (12), the top fixedly connected with guide slot (13) of lower platform (1), the bottom fixedly connected with connecting rod (15) of operation mesa (4), the bottom fixedly connected with electronic telescopic cylinder (16) of connecting rod (15), electronic telescopic cylinder (16) joint is in the inboard of guide slot (13), fixedly connected with clamp plate (17) on the output shaft of electronic telescopic cylinder (16), the top of the operation table top (4) is hinged with expansion plates (18), and the expansion plates (18) are symmetrically distributed on the front side and the rear side of the operation table top (4).

2. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the quantity of post cover (2) has four and distributes in the four corners department of platform (1) down, the external fixation of post cover (2) has cup jointed pulley (5), driving belt (7) meshing is in pulley (5), driving motor (6) are connected with four post covers (2) transmission through driving belt (7).

3. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the front end fixed mounting of lower platform (1) has height display screen (8), the side fixed mounting of height display screen (8) has lift footboard (9), lift footboard (9) are including rising the footboard and descending the footboard, lift footboard (9) and driving motor (6) electric connection.

4. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the guide slot (13) symmetric distribution is two about driving motor (6), the medial surface fixedly connected with rack (14) of guide slot (13), one side that clamp plate (17) is close to rack (14) is provided with the tooth with rack (14) assorted.

5. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the bottom movable mounting of lower platform (1) has universal wheel (10), universal wheel (10) distribute in the four corners department of lower platform (1).

6. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the area of the expansion plate (18) is equal to one half of the operation table board (4), the front end is movably sleeved with a connecting block (19) on the side face of the expansion plate (18), the rear end of the connecting block (19) is in threaded sleeve connection with a fixing bolt (20), the fixing bolt (20) is in threaded sleeve connection with the expansion plate (18) at the rear end, and the two expansion plates (18) are connected together through the connecting block (19).

7. The mobile liftable operating platform for coal sampling according to claim 1, wherein: connecting pin hole (21) have been seted up to the side of expansion board (18), connecting pin post (22) have been cup jointed in the inside activity of operation mesa (4), connecting pin hole (21) and connecting pin post (22) phase-match, the inboard end fixedly connected with reset spring (23) of connecting pin post (22), the positive fixedly connected with ejector pad (24) of connecting pin post (22) medial extremity, ejector pad (24) joint is in the side of operation mesa (4).

8. The mobile liftable operating platform for coal sampling according to claim 1, wherein: the distance sensor (12) is located the side of battery (11), battery (11) provide power supply for the consumer on the platform, the range finding end alignment operation mesa (4) at distance sensor (12) top.