CN212244921U - Coal floats and sinks experiment hoisting device that lines up - Google Patents
Coal floats and sinks experiment hoisting device that lines up Download PDFInfo
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- CN212244921U CN212244921U CN202020273798.8U CN202020273798U CN212244921U CN 212244921 U CN212244921 U CN 212244921U CN 202020273798 U CN202020273798 U CN 202020273798U CN 212244921 U CN212244921 U CN 212244921U
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Abstract
The utility model relates to the technical field of coal floating and sinking tests, and discloses a queuing and lifting device for coal floating and sinking tests, which comprises a lifting device, a conveying device and a synchronous lifting self-locking device, wherein the lifting device comprises an underframe assembly and a transmission chain assembly, the transmission chain assembly comprises two chain groups, and a lifting channel for accommodating a coal tray is formed between the two chain groups; the chain group comprises an upper driving shaft, a lower driving shaft, two conveying chains and a plurality of coal disc supports, and the upper driving shaft and the lower driving shaft are rotatably arranged on the underframe assembly; the transmission chain is provided with a hanging lug; the coal tray bracket is fixed on the hanging lug; lifting chain wheels are fixed on the upper driving shaft and the lower driving shaft, and transmission chains are wound on the upper driving shaft and the lower driving shaft; the conveying device corresponds to the lifting channel; the synchronous lifting self-locking device drives the conveying chain to rotate in one direction. The device can automatically queue and lift various density-level coal trays after weighing in a coal floating and sinking experiment, has the functions of automatic lifting and reverse locking, and is beneficial to marking and space saving.
Description
Technical Field
The utility model relates to a coal floats and sinks experimental technical field, especially indicates a coal floats and sinks experiment hoisting device that lines up.
Background
The coal floating and sinking experiment is an important index for testing the quality of coal and mainly carries out sorting according to the density difference of coal particles. The coal float-sink test is a test in which a coal sample is divided into different density grades by using heavy liquids with different densities, and the yield and the characteristics of products in each density grade are measured. The supporting equipment related to the coal floating and sinking experiment in the current market is few, the sorted coal is placed in a coal tray, no special storage equipment is provided, and the coal tray is large in occupied area and inconvenient to mark.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal floats and sinks experiment hoisting device that lines up has solved among the prior art and has not been used for specially depositing the technical problem to the coal tray.
The technical scheme of the utility model is realized like this: a queuing and lifting device for coal floating and sinking experiment comprises
A lifting device, the lifting device comprises
The bottom frame assembly is arranged on the bottom frame,
the conveying chain assembly comprises two synchronously conveyed chain groups, and a lifting channel for accommodating the coal trays is formed between the two chain groups; the chain set comprises
The upper driving shaft is rotatably arranged on the underframe assembly;
the lower driving shaft is rotatably arranged on the underframe assembly and is positioned right below the upper driving shaft;
the two conveying chains are provided with lugs;
two ends of the coal tray bracket are respectively fixed on the hangers of the two conveying chains;
lifting chain wheels are fixed on the upper driving shaft and the lower driving shaft, and the conveying chain is wound on the two lifting chain wheels of the upper driving shaft and the lower driving shaft;
the conveying device corresponds to the lifting channel in position;
and the synchronous lifting self-locking device drives the conveying chain to rotate in one direction.
As a preferred technical scheme, the synchronous lifting self-locking device comprises
A lifting device comprising
The box body is fixed on the underframe assembly;
the long shaft is rotatably arranged on the box body, a first transmission gear is fixed in the middle of the long shaft, and one end of the long shaft is in transmission connection with a driving device;
the short shaft is rotatably arranged on the box body, a second transmission gear is fixed in the middle of the short shaft, and the first transmission gear is meshed with the second transmission gear;
the long shaft and the short shaft respectively drive the two chain sets;
and a self-locking device, the self-locking device comprises
At least one ratchet fixed on the major axis or the minor axis;
and the ratchet pawl is arranged on the box body and is matched with the ratchet wheel.
As a preferred technical scheme, the box body comprises an upper box body shell and a lower box body shell, the upper box body shell and the lower box body shell are connected through bolts, and the upper box body shell and the lower box body shell enclose a self-locking cavity.
As a preferable technical scheme, a driving chain wheel is fixed on each of the long shaft and the short shaft, a transmission chain wheel is fixed on the upper driving shaft, and the driving chain wheel and the transmission chain wheel are driven by a transmission chain.
Preferably, the first transmission gear and the second transmission gear are the same.
Preferably, the driving device comprises a motor, and the motor is in transmission connection with the long shaft through a speed reducer.
According to the preferable technical scheme, ratchet wheels are fixed on the long shaft and the short shaft, two ratchet wheel claws are arranged on the box body, and the two ratchet wheel claws correspond to the two ratchet wheels one by one respectively.
Preferably, one end of the conveying device is located at the lower side of the lifting channel.
Preferably, the coal panel support comprises a fixing portion, and a supporting portion for supporting the coal panel is arranged on a side surface of the fixing portion facing the lifting channel.
Preferably, the supporting portion and the fixing portion are connected to form an L-shape, a V-shape or a U-shape.
The beneficial effects of the utility model reside in that: the queuing and lifting device for the coal floating and sinking experiment can automatically queue and lift various density-level coal trays after the coal floating and sinking experiment is weighed, has the functions of automatic lifting and reverse locking, has a simple structure, and is beneficial to identification and space saving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a first viewing angle of the present invention;
fig. 2 is a schematic structural view of a second viewing angle of the present invention;
FIG. 3 is a schematic structural view of the synchronous lifting self-locking device;
FIG. 4 is a schematic view of the internal structure of the synchronous lifting self-locking device;
FIG. 5 is a cross-sectional view of the synchronous lifting self-locking device;
FIG. 6 is a schematic structural view of a first embodiment of a coal panel holder;
FIG. 7 is a schematic structural view of a second embodiment of a coal panel holder;
FIG. 8 is a schematic structural view of a third embodiment of a coal tray support;
FIG. 9 is a schematic structural view of a fourth embodiment of a coal tray support;
FIG. 10 is a schematic structural view of a fifth embodiment of a coal panel holder.
In the figure, 1-underframe assembly, 2-lower driving shaft, 3-lifting chain wheel, 4-transmission chain, 5-coal plate bracket, 51-fixed part, 52-supporting part, 6-coal plate, 7-upper driving shaft, 8-synchronous lifting self-locking device, 81-box lower shell, 82-shaft retainer ring, 83-box upper shell, 84-motor, 85-speed reducer, 86-ratchet wheel, 87-spring, 88-ratchet claw, 89-ratchet wheel cover, 810-second driving gear, 811-short shaft, 812-bearing, 813-bolt, 814-driving chain wheel, 815-end cover screw, 816-end cover, 817-long shaft, 818-first driving gear, 9-conveying system, 10-driving chain wheel, 11-drive chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and the descriptions of these embodiments are used to help understanding the present invention, but do not constitute a limitation of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
A queuing and lifting device for a coal floating and sinking experiment is shown in figures 1 and 2 and comprises a lifting device, a conveying device 9 and a synchronous lifting self-locking device 8.
The lifting device comprises an underframe assembly 1 and a conveying chain assembly, wherein the conveying chain assembly comprises two synchronously conveyed chain groups, and a lifting channel for accommodating a coal tray 6 is formed between the two chain groups.
The chain set comprises an upper driving shaft 7, a lower driving shaft 2, two conveying chains 4 and a plurality of coal tray supports 5.
The upper driving shaft 7 and the lower driving shaft 2 are rotatably mounted on the underframe assembly 1 through a bearing with a seat, and the lower driving shaft 2 is positioned right below the upper driving shaft 7. All be fixed with two lifting sprocket 3 on last drive shaft 7 and the lower drive shaft 2, conveying chain 4 is around on two lifting sprocket 3 that are located last drive shaft 7 and lower drive shaft 2, and conveying chain 4 is vertical to be set up, and is best, and a conveying chain 4 is close to the both ends department of coal tray 6 respectively. The synchronous lifting of the two conveying chains 4 in the chain group at the same side can be realized by rotating the upper driving shaft 7 or the lower driving shaft 2. Furthermore, the four lifting chain wheels 3 are completely identical, so that transmission involving and control are facilitated.
The conveying chains 4 are provided with hangers, and two ends of the coal tray bracket 5 are respectively fixed on the hangers of the two conveying chains 4 through connecting pieces such as bolts and the like. As shown in fig. 6, 7, 8, 9, and 10, the coal panel holder 5 includes a fixing portion 51, and a supporting portion 52 for supporting the coal panel 5 is provided on a side surface of the fixing portion 51 facing the hoistway. Preferably, the supporting portion 52 is engaged with the fixing portion 51 to form an L-shape, a V-shape or a U-shape. An outer boss is arranged on the outer side face of the coal tray 6, and when the coal tray supports 5 move along with the conveying chain 4, the coal tray supports 5 on two opposite sides of the coal tray 6 are supported on the lower side of the outer boss of the coal tray 6 to support the coal tray 6.
The conveying device 9 corresponds to the position of the lifting channel; preferably, one end of the conveyor 9 is located at the lower side of the lifting channel. As shown in fig. 2, the conveyor 9 is a synchronous conveyor belt, but a chain plate conveyor or a drum conveyor may be used.
The synchronous lifting self-locking device 8 drives the conveying chain 4 to rotate in one direction. As shown in fig. 3, 4 and 5, the synchronous lifting self-locking device includes a lifting device and a self-locking device.
The lift includes a box, a major axis 817 and a minor axis 811.
The box is fixed on chassis assembly 1, and the box includes box epitheca 83 and box inferior valve 81, and box epitheca 83 and box inferior valve 81 pass through bolt 813 connection, and box epitheca 83 and box inferior valve 81 enclose into from the lock chamber. The long shaft 817 and the short shaft 811 are rotatably mounted on the box body, the short shaft 811 and the long shaft 817 are both connected with the bearing 812 in a matching manner, and the bearing 812 is pressed together by the box body lower shell 81 and the box body upper shell 83.
The long shaft 817 and the short shaft 811 are in meshing transmission through gears, a first transmission gear 818 is fixed in the middle of the long shaft 817, a second transmission gear 810 is fixed in the middle of the short shaft 811, and the first transmission gear 818 is meshed with the second transmission gear 810.
Preferably, the first gear 818 and the second gear 810 are identical. The first transmission gear 818 and the second transmission gear 810 are respectively connected with a long shaft 817 and a short shaft 811 in a key mode, one end face of each gear is located by a shaft shoulder, and the other end face of each gear is limited by a shaft retainer ring 82.
The self-locking device includes at least one ratchet 86 and a ratchet pawl 88. Ratchet 86 is fixed to either major axis 817 or minor axis 811, and pawl 88 is mounted to the housing, with pawl 88 mating with ratchet 86. Specifically, a mounting hole is formed in the upper case 83 of the box body, the ratchet pawl 88 extends into the self-locking cavity from the mounting hole, a spring 87 is sleeved at the outer end of the ratchet pawl 88, and a ratchet cover 89 is sleeved outside the spring 87 and the ratchet pawl 88.
Preferably, the ratchet wheel 86 is fixed on both the long shaft 817 and the short shaft 811, two ratchet pawls 88 are provided on the case, and the two ratchet pawls 88 correspond to the two ratchet wheels 86 one by one, respectively.
Two ends of the long shaft 817 extend out of the self-locking cavity, and one end of the long shaft 817 is in transmission connection with a driving device; the driving device comprises a motor 84, and the motor 84 is in transmission connection with the long shaft 817 through a speed reducer 85.
The long shaft 817 and the short shaft 811 are in transmission connection with the two chain sets respectively. One end of the short shaft 811 extends out of the self-locking cavity, the driving chain wheel 814 is fixed at the end part of the long shaft 817 and the short shaft 811 extending out of the self-locking cavity, one end face of the driving chain wheel 814 is positioned by a shaft shoulder, the other end face is pressed and limited by the end cover 816, and the end cover 816 is pressed and fixed by the end cover screw 815. The upper driving shaft 7 is fixed with a driving chain wheel 10, and the driving chain wheel 814 and the driving chain wheel 10 are driven by a driving chain 11.
When the motor 84 rotates, the power is transmitted to the speed reducer 85 and the long shaft 817, and the other end of the long shaft 817 directly transmits the power to the driving sprocket 814; at the same time, the long shaft 817 transmits power to the short shaft 811 through the gear train 810, and the short shaft 811 transmits power to the driving sprocket 814 at the end thereof, so that synchronous reverse motion of the two driving sprockets 14 is achieved. Under the drive of the transmission chain 11, the transmission chain wheels 10 on the two upper driving shafts 7 synchronously rotate in opposite directions, and the transmission chain wheels 10 synchronously rotate in opposite directions to realize the synchronous lifting of the transmission chain 4.
When the coal disk 6 is transported to the lifting channel from the conveying system 9, the four conveying chains 4 are synchronously lifted after the motor 810 is started, and the coal disk 6 with the convex edge is clamped on the coal disk bracket 5 to realize lifting. The reciprocating can realize that the coal disks 6 with different density levels are lifted one by one. Because the float-sink experiment of the coal body is to fish the float coal from the low density level, therefore arrange the float coal of the minimum density level at the top of the device, density level increases sequentially from bottom to top, have realized the automatic queuing function of synchronous promotion of the coal tray 6 and the self-locking function, saved the floor area of the laboratory at the same time.
Because the ratchet wheel 86 is arranged on the long shaft 817 and the short shaft 811, the function of unidirectional movement and reverse locking can be realized, and the coal disk 6 cannot fall under the action of gravity even if the motor 810 is suddenly powered off or fails.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hoisting device is queued in coal floating and sinking experiment which characterized in that: comprises that
A lifting device, the lifting device comprises
The bottom frame assembly is arranged on the bottom frame,
the conveying chain assembly comprises two synchronously conveyed chain groups, and a lifting channel for accommodating the coal trays is formed between the two chain groups; the chain set comprises
The upper driving shaft is rotatably arranged on the underframe assembly;
the lower driving shaft is rotatably arranged on the underframe assembly and is positioned right below the upper driving shaft;
the two conveying chains are provided with lugs;
two ends of the coal tray bracket are respectively fixed on the hangers of the two conveying chains;
lifting chain wheels are fixed on the upper driving shaft and the lower driving shaft, and the conveying chain is wound on the two lifting chain wheels of the upper driving shaft and the lower driving shaft;
the conveying device corresponds to the lifting channel in position;
and the synchronous lifting self-locking device drives the conveying chain to rotate in one direction.
2. The queuing and lifting device for the coal sinking and floating experiment of claim 1, which is characterized in that: the synchronous lifting self-locking device comprises
A lifting device comprising
The box body is fixed on the underframe assembly;
the long shaft is rotatably arranged on the box body, a first transmission gear is fixed in the middle of the long shaft, and one end of the long shaft is in transmission connection with a driving device;
the short shaft is rotatably arranged on the box body, a second transmission gear is fixed in the middle of the short shaft, and the first transmission gear is meshed with the second transmission gear;
the long shaft and the short shaft respectively drive the two chain sets;
and a self-locking device, the self-locking device comprises
At least one ratchet fixed on the major axis or the minor axis;
and the ratchet pawl is arranged on the box body and is matched with the ratchet wheel.
3. The queuing and lifting device for the coal sinking and floating experiment of claim 2 is characterized in that: the box body comprises a box body upper shell and a box body lower shell, the box body upper shell and the box body lower shell are connected through bolts, and the box body upper shell and the box body lower shell are enclosed into a self-locking cavity.
4. The queuing and lifting device for the coal sinking and floating experiment of claim 2 is characterized in that: and the long shaft and the short shaft are both fixed with driving chain wheels, the upper driving shaft is fixed with a driving chain wheel, and the driving chain wheel are driven by a driving chain.
5. The queuing and lifting device for the coal sinking and floating experiment of claim 2 is characterized in that: the first transmission gear and the second transmission gear are the same.
6. The queuing and lifting device for the coal sinking and floating experiment of claim 2 is characterized in that: the driving device comprises a motor, and the motor is in transmission connection with the long shaft through a speed reducer.
7. The queuing and lifting device for the coal sinking and floating experiment of claim 2 is characterized in that: ratchet wheels are fixed on the long shaft and the short shaft, two ratchet wheel claws are arranged on the box body, and the two ratchet wheel claws correspond to the two ratchet wheels one by one respectively.
8. The queuing and lifting device for the coal sinking and floating experiment of claim 1, which is characterized in that: one end of the conveying device is positioned at the lower side of the lifting channel.
9. The queuing and lifting device for the coal sinking and floating experiment of claim 1, which is characterized in that: the coal plate support comprises a fixing part, and a supporting part for supporting the coal plate is arranged on the side face, facing the lifting channel, of the fixing part.
10. The queuing and lifting device for the coal sinking and floating experiment of claim 9, which is characterized in that: the supporting part is connected with the fixing part to form an L shape, a V shape or a U shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273798.8U CN212244921U (en) | 2020-03-07 | 2020-03-07 | Coal floats and sinks experiment hoisting device that lines up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020273798.8U CN212244921U (en) | 2020-03-07 | 2020-03-07 | Coal floats and sinks experiment hoisting device that lines up |
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| Publication Number | Publication Date |
|---|---|
| CN212244921U true CN212244921U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020273798.8U Active CN212244921U (en) | 2020-03-07 | 2020-03-07 | Coal floats and sinks experiment hoisting device that lines up |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268365A (en) * | 2020-03-07 | 2020-06-12 | 北京沄汇智能科技有限公司 | Coal floats and sinks experiment hoisting device that lines up |
| CN113120513A (en) * | 2021-05-13 | 2021-07-16 | 珠海格力智能装备有限公司 | Plate returning mechanism and transportation system with same |
-
2020
- 2020-03-07 CN CN202020273798.8U patent/CN212244921U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268365A (en) * | 2020-03-07 | 2020-06-12 | 北京沄汇智能科技有限公司 | Coal floats and sinks experiment hoisting device that lines up |
| CN113120513A (en) * | 2021-05-13 | 2021-07-16 | 珠海格力智能装备有限公司 | Plate returning mechanism and transportation system with same |
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