CN104210807B - Material lifting device - Google Patents
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- CN104210807B CN104210807B CN201410439660.XA CN201410439660A CN104210807B CN 104210807 B CN104210807 B CN 104210807B CN 201410439660 A CN201410439660 A CN 201410439660A CN 104210807 B CN104210807 B CN 104210807B
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Abstract
The invention discloses a kind of material lifting device, including hopper, frame, the conveying arrangement being arranged in described frame and be arranged at the weighing component bottom described frame, described hopper is movably attached in described frame by described conveying arrangement；Described hopper is provided with the first connector, described conveying arrangement is provided with the second connector being connected with described first connector, and the link position of described first connector and described second connector is provided with mean for the two and produces relative motion so that the free gap making the two disengage；When described hopper is on described weighing component, described first connector and described second connector disengage, and when hopper described in described transporting apparatus transports, described first connector contacts with described second connector.Material lifting device provided by the present invention, when described hopper is weighed, operates described conveying arrangement and makes described hopper not by the impact of connection member residual stress, improve weighing results accuracy.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly to a kind of material lifting device.
Background technology
Along with the development of China's exploitation of mineral resources industry, therefore hopper Transport Machinery is also able to extensive use.
In mineral mining or coal sample preparation and other association area, for vertical single bucket elevator, generally require vertical single bucket elevator during actual job and can realize the operations such as material metage, material transportation and material unloading.
Refer to Fig. 1, Fig. 1 is the overall structure schematic diagram of a kind of monobucket vertical elevator with function of weighing in prior art.
The integral mechanical structure of the monobucket vertical elevator with function of weighing is vertically-mounted, and hopper 1 when filling with substance is in bottom frame 2, and side has been provided with the hopper frame 13 connected with Stabilization.The whole circle of chain 6 is wrapped between driving chain sprocket 71 and lower haulage chain wheels 72 in the form of a ring, and middle and hopper frame 13 is rigidly connected.Lower haulage chain wheels 72 are driven by Worm reduction motor 14.
As in figure 2 it is shown, the structural representation of the weighing component that Fig. 2 is the vertical elevator shown in Fig. 1.
Weighing component 3 middle part is smooth surface, and its two ends are provided with protruding 301, and these protruding 301 surfaces smooth, for carrying the support arrangement 17 that feed hopper bottom is installed.When whole machinery is in off working state, hopper 1 rests on the bottom of frame 2, waits charging.After charging completes, it is necessary to weigh.Owing to hopper 1, hopper frame 13 and chain 6 are and are rigidly connected, and chain 6 is owing to being wrapped on power output part between driving chain sprocket 71 and lower haulage chain wheels 72, there is a possibility that chain 6 is in the state being tightened up, cause that hopper 1 has been assigned extra residual stress when weighing state.Because the direction of described residual stress is vertical direction, the accuracy of weighing results therefore can be directly affected.And owing to the support arrangement 17 bottom hopper 1 and hopper 1 are for being rigidly connected, causing that a support arrangement 17 cannot simultaneously perfect contact in theory with weighing component 3, the accuracy of meeting weighing results impacts equally.Additionally, due to hopper frame 13 is arranged on the left and right sides of hopper 1, and it is slidably connected with the frame 2 in outside so that whole mechanism seems too fat to move in the horizontal direction, and floor space is bigger.
As it is shown on figure 3, the structural representation of upper end when Fig. 3 is vertical elevator discharging state shown in Fig. 1.
When hopper 1 fill material be lifted up transport time, upper stroke switch 81 is opened, power after deceleration is flowed to lower haulage chain wheels 72 by Worm reduction motor 14, and lower haulage chain wheels 72 closely cooperate with upper driving chain sprocket 71, drives chain 6 to make it carry out circumferential movement.Because hopper frame 13 and chain 6 are rigidly connected, under the power of chain 6 drives, hopper 1 promotes gradually straight up.
When hopper 1 is thus lifted to the top of frame 2, upper stroke switch 81 is closed, and chain 6 stops axially-movable so that hopper 1 is static.Now left travel switch 91 or right travel switch 92 are started working, power is exported by straight line reducing motor 12, under the draw of pull bar 10, hopper 1 carries out laterally slowly mobile on linear bearing, guide assembly 11, push block 16 aside simultaneously, being opened by blanking flashboard 15, in the process of slowly movement, hopper 1 starts discharging.
In the whole lifting process with discharging, hopper 1 successively experienced by vertical motion and transverse movement, its movement locus is more complicated, this requires must with extra ingredients such as pull bar 10, straight line reducing motor 12, linear bearing, guide assemblies 11 in frame 2, add cost, and increase maintenance difficulty.
In sum, the lifting device of prior art, there is the inaccurate technical problem of weighing results.It addition, how to reduce installation cost, reducing maintenance difficulty, reducing the problems such as floor space also needs to draw attention.
Summary of the invention
It is an object of the invention to provide a kind of material lifting device, improve the accuracy of weighing results when weighing.
For solving above-mentioned technical problem, the present invention provides a kind of material lifting device, including hopper, frame, the conveying arrangement being arranged in described frame and be arranged at the weighing component bottom described frame, described hopper is movably attached in described frame by described conveying arrangement, described hopper is provided with the first connector, described conveying arrangement is provided with the second connector being connected with described first connector, and the link position of described first connector and described second connector is provided with mean for the two and produces relative motion so that the free gap making the two disengage；When described hopper is on described weighing component, described first connector and described second connector disengage, and when hopper described in described transporting apparatus transports, described first connector contacts with described second connector.
Preferably, described conveying arrangement includes being arranged at the drivewheel bottom described frame, is arranged at the driven pulley of described frame top, and is wound in described drivewheel and the flexible element of described driven pulley.
Preferably, described drivewheel is drive sprocket, and described driven pulley is driven sprocket, and described flexible element is chain.
Preferably, described drive sprocket or described driven sprocket are chain wheel set, and described chain wheel set includes that at least two is coaxial mounted and number of teeth sprocket wheel not etc..
Preferably, the center back position of described hopper is provided with support, and described first connector is arranged on described support.
Preferably, described second connector is the suspension ring being arranged at described conveying arrangement, and described first connector is the axle being arranged between the described support left and right sides；Described second connector is enclosed within the periphery of described first connector, and the external diameter of described first connector is less than the internal diameter of described second connector.
Preferably, described first connector is the first suspension ring being arranged on described support, and described second connector is the second suspension ring being arranged at described conveying arrangement；Described second suspension ring are attached thereto through the hole in the middle of described first suspension ring.
Preferably, described frame both sides are provided with track, and described support outer wall is provided with the first roller for matching with described track.
Preferably, described track includes vertical portion, curved portions and horizontal part, and the top of described vertical portion is connected by described curved portions with wherein one end of described horizontal part；Described hopper back fixation is provided with connection support, described connection support includes the first external part arranged near described hopper top and the second external part arranged near described feed hopper bottom, described first external part is connected with the rolling of described vertical portion, curved portions or horizontal part by the second roller, and described second external part is connected with described holder pivots.
Preferably, described feed hopper bottom is further provided with for the universal rolling wheel with described weighing component balance of nature.
Material lifting device provided by the present invention, it is rigidly connected between conveying arrangement and hopper compared in prior art, hopper is provided with the first connector, on conveying arrangement, it is provided with the second connector simultaneously, described first connector is connected with described second connector, but it not the fixing connection of rigidity between the two, but leave certain interval between.
After described hopper discharge completes, it is necessary to return to home position.Now described conveying arrangement power reverse, drives described hopper to move down gradually.Under the gravity of described hopper self affects, the lower end outer wall of described first connector contacts with the lower end inner wall of described second connector, and fits tightly.In the process that hopper down lands gradually, described second connector is created downward pressure by described first connector, forces described second connector to follow decline.When described hopper comes to a complete stop on described weighing component, described first connector also stop motion, but described first connector still compresses described second connector.Now, operate described conveying arrangement and continue to move down, because being provided with free gap between described first connector and described second connector, so described second connector can continue to carry out downwards a bit of displacement.This section moves and described second connector and described first connector is completely disengaged from out, and does not stress mutually.In sum, when described hopper is weighed, the residual stress impact of coupled various connection members will not be subject to, improve the accuracy of weighing results.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the overall structure schematic diagram of a kind of monobucket vertical elevator with function of weighing in prior art；
Fig. 2 is the structural representation of the weighing component of the vertical elevator shown in Fig. 1；
The structural representation of upper end when Fig. 3 is vertical elevator discharging state shown in Fig. 1；
Fig. 4 is the overall structure schematic diagram of a kind of material lifting device provided by the invention；
Fig. 5 is the overall structure schematic diagram of the additional structure support of hopper shown in Fig. 4；
Fig. 6 is the concrete structure schematic diagram of frame shown in Fig. 4；
Fig. 7 is structural representation during a kind of material lifting device discharging provided by the invention；
Fig. 8 is the partial structurtes schematic diagram of the another embodiment of material lifting device provided by the present invention.
Wherein, in Fig. 1-Fig. 3:
Hopper 1, frame 2, weighing component 3, protruding 301, chain 6, upper driving chain sprocket 71, lower haulage chain wheels 72, upper stroke switch 81, left travel switch 91, right travel switch 92, pull bar 10, linear bearing, guide assembly 11, straight line reducing motor 12, hopper frame 13, Worm reduction motor 14, blanking flashboard 15, block 16, a support arrangement 17.
In Fig. 4-Fig. 8:
Hopper 1, the first connector 101, the second connector 102, frame 2, track 201, vertical portion 211, horizontal part 212, curved portions 213, weighing component 3, conveying arrangement 4, drivewheel 401, driven pulley 402, flexible element 403, the first roller 5, universal rolling wheel 18, support 19, connect support (20), first external part (2001), the second external part (2002), the second roller 21.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to the overall structure schematic diagram that Fig. 4 and Fig. 6, Fig. 4 are a kind of material lifting device provided by the invention；Fig. 6 is the concrete structure schematic diagram of frame 2 shown in Fig. 4.
In a kind of detailed description of the invention, material lifting device provided by the present invention has hopper 1, frame 2, weighing component 3 and conveying arrangement 4.Hopper 1 can substantially rectangular-shaped in the inner hollow that do not bind, its opening shape is horn-like gradually to contract, it is simple to the splendid attire of material and dumping.Frame 2 is preferably vertically-mounted, is fixed on earth's surface, and both sides inwall is provided with track 201 around, provides platform to conveying arrangement 4 scrap steel container 1.Track 201 is divided into three parts, Part I is vertically-mounted vertical portion 211, Part II is the horizontal part 212 that level is installed, Part III is the wherein curved portions 213 between one end being arranged on the top of vertical portion 211 and horizontal part 212, so make hopper 1 in the process promoted, transition is smoother, will not produce to clash into.Vertical portion 211 is for supporting that conveying arrangement promotes the vertical stroke of hopper 1, and horizontal part 212 is for supporting that conveying arrangement 4 starts the horizontal throw of discharging.
If frame 2 is not vertically-mounted certainly, but install with having certain angle of inclination, it is also possible to reach the purpose of the present invention, as long as the structure spatially with certain altitude can be met, and the condition of energy scrap steel container, all in protection scope of the present invention.
Weighing component 3 can be platform scale, spring scale or other there is the scale of enough bearing capacitys, be arranged at the bottom of frame 2, its upper surface can be smooth flat, it is simple to steadily hopper 1.Conveying arrangement 4 includes drivewheel 401, driven pulley 402 and flexible element 403.Preferably, drivewheel 401 is chain wheel set, it it is the power output part of conveying arrangement 4, it is arranged at the bottom of frame 2, it is made up of 2 coaxial mounted sprocket wheels, and 2 teeth number of sprocket differences, therefore can produce bigger speed reducing ratio after receiving the power carried by drive motor, be beneficial to the stable transport of whole conveying arrangement.
Certainly, driven pulley 402 can also be made up of multiple sprocket wheels, and such as 4,8 or more, so integrally-built stability is better.
Preferably, driven pulley 402 is sprocket wheel, is the power guid parts of conveying arrangement 4, is arranged on the top of frame 2, acts the effect changing power direction and transfer transmission power.Flexible element 403 is chain, is the power transmission member of conveying arrangement 4, and it is end to end, is wrapped in drivewheel 401 in the form of a ring and on driven pulley 402, is used for transmitting power, promoting hopper 1.
It is to be noted; the drivewheel 401 of conveying arrangement 4, driven pulley 402 and flexible element 403 herein; not only it is confined to the form of sprocket wheel and chain; can also be belt and belt wheel or the form such as steel wire rope and rope sheave; as long as the mechanism of the condition being transmitted power by flexible element between the drive of two ends can be met, broadly fall into protection scope of the present invention.
As it is shown in figure 5, the overall structure schematic diagram of the additional structure support 19 that Fig. 5 is hopper 1 shown in Fig. 4.Support 19 is fixedly installed on hopper 1, is specially the center back position of hopper 1, time such frame 2 is connected with support 19, just draws close to centre position, saved space in the horizontal direction, reduced cost.
Certainly, support 19 can also not reside at the center back position of hopper 1, is such as arranged on that its both sides are equally possible reaches the purpose of the present invention.
Support 19 left and right sides outer wall is provided with the first roller 5, it is simple to coordinate with the track 201 in frame 2, smoothly promotes hopper 1.The first connector 101 it is provided with, it is preferable that the first connector 101 is axle between support 19 left and right sides；It is outside equipped with the second connector 102, and the second connector 102 is suspension ring.The external diameter of the first connector 101 is less than the internal diameter of the second connector 102, and therefore the second connector 102 empty set is in the periphery of the first connector 101, leaves certain free gap between the two.Flexible element 403 is through the hole at the two ends up and down of the second connector 102, connected.When hopper 1 is in elevated state, drivewheel 402 starts to receive the power from drive motor, and after bigger speed reducing ratio, drivewheel 402 starts to rotate, and driven pulley 401 also starts simultaneously at rotation, drives and is wrapped in flexible element 403 circumferential movement thereon.Owing to flexible element 403 is connected with the second connector 102, when flexible element 403 moves upward, the second connector 102 is driven to move upward, when behind the free gap that the displacement of the second connector 102 exceedes between itself and the first connector 101, now the lower end inner surface of the second connector 102 and the lower end outer surface of the first connector 101 contact, and are adjacent to.Flexible element 403 continues up, the second connector 102 is driven also to have the trend moved upward, therefore now the first connector 101 is created a thrust upwards by the second connector 102, promote the first connector 101 with its jointly support 19 and hopper 1 move upwardly together, hopper 1 enters normal transport state.
As it is shown in fig. 7, Fig. 7 is structural representation during a kind of material lifting device discharging provided by the invention.When hopper 1 is transported to the precalculated position at frame 2 top, it is necessary to start discharging.Being fixed on hopper 1 back owing to connecting support 20, its first external part 2001 is connected by the second roller 21 rolling with track 201.Its second external part 2002 is rotationally connected with support 19, it is preferable that the second external part 2002 is hinged with support 19.Now, it is positioned at the second roller 21 on the first external part 2001 of hopper 1 tip position to have driven hopper 1 to smoothly pass curved portions 213 to enter horizontal part 212 along vertical portion 211.And support 19 still continues up to move under the drive of conveying arrangement 4, under the effect of hinged-support, make the second external part 2002 with pin joint for fulcrum certain angle, when rotational angle is sufficiently large, just drives hopper 1 to realize tumbling, and then discharging can be started.During due to material lifting device discharging in the present embodiment, different from discharging structure of the prior art, the peak that the height of its frame 2 is tumbled well below hopper 1, and it is substantially below the height of a hopper 1, simplify structure and reduce height, reducing the position of centre of gravity reducing whole material lifting device while production cost, material lifting device be arranged on ground carry out operation time, improve the lateral stability of whole device.
After discharging operations completes, hopper 1 needs to return to origin-location, again feeds.Now, operation and above-mentioned lifting operation that conveying arrangement 4 carries out are just contrary, namely chain 403 is reversed circumferential movement, and under the impact of hopper 1 self gravitation, the second connector 102 is driven to move downward, after the displacement of the second connector 102 is more than the free gap between the second connector 102 and the first connector 101, the lower end outer surface of the first connector 101 and the lower end inner surface of the second connector 102 contact, and are adjacent to.Now, flexible element 403 continues to move downward, and makes the first connector 101 have, relative to the second connector 102, the trend moved downward, and therefore the second connector 102 is applied downward pressure by the first connector 101, drives support 19 down to move.First the first roller 5 on support 19 back moves to the top of vertical portion 211, and the hopper 1 being lifted is slowly decreased to normal position.Then the first roller 5 is under the drive of support 19, continues to move downward, and drives hopper 1 down to transport, until hopper 1 is parked on the weighing component 3 being arranged on bottom frame 2, then feeds.
After hopper 1 loading operation completes, it is necessary to weigh.Now, hopper 1 rests on weighing component 3.Owing to flexible element 403 is connected with hopper 1, there remains residual stress in flexible element 403, and add the impact of elevating hopper 1 self gravitation, the first connector 101 still compresses the second connector 102, generally speaking, hopper 1 is applied with downward pressure.Now, operation conveying arrangement 4 makes flexible element 403 continue to move down, because being provided with free gap between the first connector 101 and the second connector 102, so the second connector 102 can continue to carry out downwards a bit of displacement.This section moves and the second connector 102 and the first connector 101 is completely disengaged from out, and does not stress mutually.Therefore, when described hopper is weighed, the residual stress impact of coupled various connection members will not be subject to, improve weighing results accuracy.
It is to be noted, annexation between first connector 101 second connector 102 is axle and suspension ring not merely simply, the mode that such as set and pipe, two suspension ring are socketed mutually etc. other satisfied can fix the structure being connected the form that can completely disengage from and can realize the purpose of the present invention.
Refer to the partial structurtes schematic diagram of the another embodiment that Fig. 8, Fig. 8 are material lifting device provided by the present invention.
Compared with above-mentioned embodiment, the structure of hopper 1 has been improved by present embodiment, is provided with 4 universal rolling wheels 18 in the bottom of hopper 1, certain 8 or more universal rolling wheel good.Universal rolling wheel 18 is overall, and in spherical, upper end is partly partially embedded in hopper 1, is secured to connect, and lower end half part is exposed, and is connected for rolling with weighing component 3.When hopper 1 is on weighing component 3, it is necessary to when weighing, the bindiny mechanism of hopper 1 such as above-mentioned embodiment is identical, is in the state completely disengaged from, repeats no more herein.Institute the difference is that, under the impact of self gravitation, hopper 1 can freely roll around easily by universal rolling wheel 18 on weighing component 3, adjusts position of centre of gravity, Automatic-searching to one natural balanced state, further increases the weighing results accuracy of hopper 1.
Claims (10)
1. a material lifting device, including hopper (1), frame (2), it is arranged at the conveying arrangement (4) in described frame (2) and is arranged at the weighing component (3) of described frame (2) bottom, described hopper (1) is movably attached in described frame (2) by described conveying arrangement (4), it is characterized in that, described hopper (1) is provided with the first connector (101), described conveying arrangement (4) is provided with the second connector (102) being connected with described first connector (101), the link position of described first connector (101) and described second connector (102) is provided with mean for the two and produces relative motion so that the free gap making the two disengage；When described hopper (1) is on described weighing component (3), described first connector (101) and described second connector (102) disengage, when described conveying arrangement (4) transports described hopper (1), described first connector (101) contacts with described second connector (102).
2. material lifting device according to claim 1, it is characterized in that, described conveying arrangement (4) includes the drivewheel (401) being arranged at described frame (2) bottom, it is arranged at the driven pulley (402) at described frame (2) top, and is wound in the flexible element (403) of described drivewheel (401) and described driven pulley (402).
3. material lifting device according to claim 2, it is characterised in that described drivewheel (401) is drive sprocket, described driven pulley (402) is driven sprocket, and described flexible element (403) is chain.
4. material lifting device according to claim 3, it is characterised in that described drive sprocket or described driven sprocket are chain wheel set, described chain wheel set includes that at least two is coaxial mounted and number of teeth sprocket wheel not etc..
5. material lifting device according to claim 1, it is characterized in that, the center back position of described hopper (1) is provided with support (19), and described first connector (101) is arranged on described support (19).
6. material lifting device according to claim 5, it is characterized in that, described second connector (102) is the suspension ring being arranged at described conveying arrangement (4), and described first connector (101) is the axle being arranged between described support (19) left and right sides；Described second connector (102) is enclosed within the periphery of described first connector (101), and the external diameter of described first connector (101) is less than the internal diameter of described second connector (102).
7. material lifting device according to claim 5, it is characterized in that, described first connector (101) is the first suspension ring being arranged on described support (19), and described second connector (102) is the second suspension ring being arranged at described conveying arrangement (4)；Described second suspension ring are attached thereto through the hole in the middle of described first suspension ring.
8. material lifting device according to claim 5, it is characterized in that, described frame (2) both sides are provided with track (201), and described support (19) outer wall is provided with the first roller (5) for matching with described track (201).
9. material lifting device according to claim 8, it is characterized in that, described track (201) includes vertical portion (211), curved portions (213) and horizontal part (212), and the top of described vertical portion (211) is connected by described curved portions (213) with wherein one end of described horizontal part (212)；Described hopper (1) back fixation is provided with connection support (20), described connection support (20) includes the first external part (2001) arranged near hopper (1) top and the second external part (2002) arranged bottom described hopper 1, described first external part (2001) is connected with the rolling of described vertical portion (211), curved portions (213) or horizontal part (212) by the second roller (21), and described second external part (2002) and described support (19) are rotationally connected.
10. material lifting device according to claim 1, it is characterised in that described hopper (1) bottom is further provided with for the universal rolling wheel (18) with described weighing component (3) balance of nature.
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| CN201410439660.XA CN104210807B (en) | 2014-09-01 | 2014-09-01 | Material lifting device |
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| CN201410439660.XA CN104210807B (en) | 2014-09-01 | 2014-09-01 | Material lifting device |
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| CN104210807A CN104210807A (en) | 2014-12-17 |
| CN104210807B true CN104210807B (en) | 2016-07-06 |
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| CN108045848B (en) * | 2018-01-24 | 2024-06-14 | 长沙开元仪器有限公司 | Two-stage lifting type coal sample conveying device |
| CN110745731A (en) * | 2019-11-22 | 2020-02-04 | 长沙开元仪器有限公司 | Material elevator |
| CN110981162B (en) * | 2019-12-25 | 2022-02-08 | 重庆市合川区金星玻璃制品有限公司 | Raw material feeder for glass production |
| CN116176934B (en) * | 2023-04-26 | 2023-07-14 | 浏阳市金生红鹰烟花制造有限公司 | Production packaging mechanism and packaging method for round display shell |
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| CN104210807A (en) | 2014-12-17 |
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Effective date of registration: 20190515 Address after: No. 1259 Liangtang East Road, Xingsha Industrial Base, Changlong Street, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |
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