Material elevator

Abstract

The utility model provides a material hoister which comprises a hoisting frame and a hoisting platform, the middle of one side of the hoisting platform is fixedly connected with a double-end motor, output shafts on the two sides of the double-end motor are fixedly connected with gear shafts, and driving double gears are arranged on the gear shafts. A driven gear corresponding to the driving double gear is arranged on the side, away from the double-end motor, of the lifting platform, and a downward pressing gear is arranged between the driving double gear and the driven gear. A vertically-arranged sliding rod is arranged on the inner side of the lifting frame and connected with the lifting cage and the counter weight frame in a sliding mode. First chains are fixedly connected to the two sides of the top end of the counterweight frame and sequentially wound around one driving gear of the driving double gears, the pressing gear and the driven gear to be connected with one side of the suspension cage, and second chains are further fixedly connected to the two sides of the top end of the counterweight frame and wound around the other driving gear of the driving double gears to be connected with the other side of the suspension cage. The lifting cage is simple in structure, the same counter weight frame is used for balancing the weight of the two sides of the lifting cage, the lifting cage cannot incline in the lifting process, and potential safety hazards are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a material hoist relates to material hoist technical field. BACKGROUND

[0002] In the process of liquor making, the grain needs to be transported to the designated place. When it needs to be transported from low to high, the belt conveyor is generally used for conveying, but the height of the belt conveyor is limited, and when it needs to be transported to a higher position, the belt conveyor needs to reach the required inclination angle to ensure that the grain can be effectively transported without sliding. However, this way of conveying occupies a large area and is not suitable for use in places with limited space. In order to solve the problem of large conveying area, a bucket elevator is usually used for conveying. Although the bucket elevator occupies a small area, it is sensitive to overload, and uneven feeding can cause the feeding port to be blocked, causing the motor load to increase, which must be stopped for cleaning and maintenance, which is time-consuming and labor-intensive, and seriously affects the production efficiency. Therefore, an urgent need exists for a material hoist to solve the defects in the prior art. SUMMARY

[0003] To solve the above technical problems, the purpose of the utility model is to provide a material hoist to solve the problems existing in the prior art, and the specific technical scheme is:

[0004] A material hoist, comprising a lifting frame, the lifting frame top end is equipped with lifting platform, lifting platform one side middle part fixed connection double -end motor, double -end motor both sides output shaft fixed connection gear shaft, the gear shaft is equipped with driving double gear, the gear shaft is rotatably connected with the first support; The side of the lifting platform away from the double-end motor is provided with a driven gear corresponding to the driving double gear, the driven gear is rotatably connected with the second support, and the driving double gear and the driven gear are provided with a pressing gear rotatably connected with the third support; The inside of the lifting frame is provided with a slide rod arranged vertically on the same side of the double-end motor and the driven gear, the slide rod is slidably connected with the cage, and the slide rod on one side is also slidably connected with the counterweight frame provided with a counterweight block; The top end of the counterweight frame is fixedly connected with the first chain, the first chain is sequentially wound around one driving gear of the driving double gear, the pressing gear and the driven gear, and is fixedly connected with the ear plate on one side of the cage, the top end of the counterweight frame is also fixedly connected with the second chain, the second chain is wound around the other driving gear of the driving double gear and is fixedly connected with the ear plate on the other side of the cage, and the lifting platform is provided with a through hole corresponding to the first chain and the second chain.

[0005] Preferably, the cage includes a chassis, two pulleys are connected to the two sides of the chassis respectively, and a single-side sliding rod arranged in the lifting frame is provided with two pulleys, one of which is slidably connected to the inner side opposite to the sliding rod, and the other is slidably connected to the side of the sliding rod facing the inner side of the cage.

[0006] Further, one side of the chassis is fixedly connected to a first pulley frame provided with a pulley through a fixing frame, and the pulley is slidably connected to the inner side opposite to the sliding rod.

[0007] Further, the front and rear sides of the chassis are fixedly connected to first air cylinders through fourth supports, the telescopic rods of the first air cylinders are fixedly connected to a second pulley frame provided with pulleys, the second pulley frame is provided with a cross bar, the pulleys are slidably connected to the side of the sliding rod facing the inner side of the cage, and a counterweight frame is arranged above the cross bar and slidably connected to the sliding rod.

[0008] Further, the front and rear sides of the chassis are respectively fixedly connected to second air cylinders located on the opposite sides of the first air cylinders, the telescopic rods of the second air cylinders are connected to limiting rods, and the upper part of the lifting frame is provided with limiting holes corresponding to the limiting rods.

[0009] Further, the chassis is fixedly connected to a first square tube and a second square tube arranged in parallel, the outer sides of the two ends of the first square tube and the second square tube are fixedly connected to L-shaped plates, the L-shaped plates are rotatably connected to conveying gears, the conveying gears are connected to a third chain, the third chain passes through the first square tube and the second square tube and is arranged on the surface in an overlapping manner, one end of the first square tube is fixedly connected to a support plate on the inner side, a rotating shaft of the conveying gear corresponding to the position of the support plate is rotatably connected to the support plate, the rotating shaft is provided with a transmission gear at the end portion penetrating through the support plate, and the transmission gear is connected to a driving gear of a driving motor mounted on the chassis through a fourth chain.

[0010] Further, the chassis is fixedly connected to a first guardrail on the periphery, the first guardrail is provided with an open side, and the opening direction of the open side is consistent with the movement direction of the third chain.

[0011] Further, the counterweight frame includes two vertical channel steels, the channel steels are fixedly connected to cross beams at the upper and lower ends, the cross beams are rotatably connected to pulleys slidably connected to the sliding rod on the two sides, the channel steels are provided with counterweight blocks therebetween, and the cross beam at the top end of the channel steel is provided with a U-shaped plate fixedly connected to a first chain and a second chain.

[0012] Preferably, the lifting platform is provided with a second guardrail on the periphery, the second guardrail is provided with a pass-through opening, a ladder stand fixedly connected to the lifting frame is arranged at the pass-through opening, and the ladder stand is provided with a third guardrail for protection.

[0013] Preferably, the first support, the second support and the third support are respectively two groups, and all have a door-shaped structure.

[0014] The utility model discloses a double -end motor starts, drives the first chain and second chain movement of bilateral initiative double -gear connection, and the first chain and second chain pull the lifting cage and do the lifting movement along the slide bar, and the grain hopper that has the grain and pushes to the lifting cage is lifted, then starts the drive motor, drives the third chain movement, and the grain hopper is transported out. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a kind of material elevator structure schematic view of the utility model.

[0016] Figure 2 It is a kind of material elevator plan view of the utility model.

[0017] Figure 3 It is the structure schematic view of the utility model lifting cage.

[0018] Figure 4 It is the structure schematic view of the utility model counterweight frame.

[0019] In the drawing: 1, hoist frame;2, lifting platform;3, double -end motor;4, initiative double -gear;5, first support;6, driven gear;7, second support;8, third support;9, press gear;10, slide bar;11, lifting cage;1101, underframe;1102, first pulley frame;1103, fourth support;1104, first air cylinder;1105, second pulley frame;1106, cross bar;1107, second air cylinder;1108, first square tube;1109, L-shaped plate;1110, conveying gear;1111, third chain;1112, support plate;1113, transmission gear;1114, drive motor;1115, drive gear;1116, first guardrail;1117, ear plate;12, counterweight frame;1201, channel steel;1202, crossbeam;1203, counterweight block;1204, U-shaped plate;13, first chain;14, second chain;15, pulley;16, second guardrail;17, ladder;18, third guardrail. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] As shown in Figures 1-4 A material lifting machine, comprising a lifting frame 1, the lifting frame 1 is provided with a lifting platform 2 at the top end, a double-head motor 3 is fixedly connected to one side of the middle part of the lifting platform 2, gear shafts are fixedly connected to the two sides of the output shaft of the double-head motor 3, a driving double gear 4 is arranged on the gear shaft, and the gear shaft is rotationally connected with a first support 5; a driven gear 6 corresponding to the driving double gear 4 is arranged on the side of the lifting platform 2 away from the double-head motor 3, the driven gear 6 is rotationally connected with a second support 7, and a pressing gear 9 rotationally connected with a third support 8 is arranged between the driving double gear 4 and the driven gear 6; a slide rod 10 vertically arranged on the same side as the double-head motor 3 and the driven gear 6 is arranged on the inner side of the lifting frame 1, the slide rod 10 is slidably connected with a cage 11, and the slide rod 10 on one side is further slidably connected with a counterweight frame 12 provided with a counterweight 1203; a first chain 13 is fixedly connected to the two sides of the top end of the counterweight frame 12, the first chain 13 is sequentially fixedly connected to one driving gear of the driving double gear 4, the pressing gear 9 and the driven gear 6 and one side of an ear plate 1117 of the cage 11, a second chain 14 is further fixedly connected to the two sides of the top end of the counterweight frame 12, the second chain 14 is fixedly connected to the other side of the ear plate 1117 of the cage 11 through the other driving gear of the driving double gear 4, and a through hole corresponding to the first chain 13 and the second chain 14 is arranged on the lifting platform 2. One end of the first chain 13 and the second chain 14 is connected with the ear plate 1117 on the two sides of the cage 11 respectively, and the other end is connected with the counterweight frame 12 at the same time, when the double-head motor 3 is started, the counterweight frame 12 falls, the first chain 13 and the second chain 14 simultaneously lift the cage 11, so that the two sides of the cage 11 can always keep synchronous, thereby avoiding the condition of tilting and further causing safety accidents. The first chain 3 is wound from below the pressing gear 9, which plays a role in tensioning the chain.

[0022] The first support 5, the second support 7 and the third support 8 are respectively two groups, all in a door type structure, the two sides of the driven gear 6 and the pressing gear 9 are respectively connected with a corresponding second support 7 and third support 8 bearing, and the first support 5 is connected with the middle part of the gear shaft in bearing.

[0023] The lifting platform 2 is provided with a second guardrail 16 on the side, and the second guardrail 16 is provided with a passing opening, and the passing opening is provided with a ladder 17 fixedly connected with the lifting frame 1, and the ladder 17 is provided with a third guardrail 18 for protection. The ladder 17 is arranged to facilitate manual maintenance on the lifting platform 2.

[0024] The cage 11 comprises a base frame 1101, and two pulleys 15 are connected to the two sides of the base frame 1101 respectively. The single-side slide rod 10 arranged in the lifting frame 1 is provided with two pulleys 15, and the two pulleys 15 on one side are slidably connected to the inner side opposite to the slide rod 10, and the two pulleys 15 on the other side are slidably connected to the side of the slide rod 10 facing the inner side of the cage 11.

[0025] Specifically, one side of the base frame 1101 is fixedly connected with a first pulley frame 1102 provided with a pulley 15 through a fixing frame, and the pulley 15 is slidably connected to the inner side opposite to the slide rod 10.

[0026] Further, the front and rear sides of the base frame 1101 are fixedly connected with a first air cylinder 1104 through a fourth support 1103, the telescopic rod of the first air cylinder 1104 is fixedly connected with a second pulley frame 1105 provided with a pulley 15, the second pulley frame 1105 is provided with a cross bar 1106, and the pulley 15 is slidably connected to the side of the slide rod 10 facing the inner side of the cage 11; a counterweight frame 12 slidably connected with the slide rod 10 is arranged above the cross bar 1106. The arrangement of the cross bar 1106 enables the synchronous movement of the second pulley frame 1105, and the arrangement of the first air cylinder 1104 enables the telescopic movement of the second pulley frame 1105. When the pulley 15 on the second pulley frame 1105 needs to be tightly pressed against the slide rod 10, the telescopic rod of the first air cylinder 1104 is controlled to extend, and when the cage 11 needs to be disassembled for maintenance and replacement, the telescopic rod of the first air cylinder 1104 is controlled to retract, thereby leaving enough space for the movement of the cage 11.

[0027] The front and rear sides of the base frame 1101 are also fixedly connected with a second air cylinder 1107 located on the opposite side of the first air cylinder 1104 respectively, the telescopic rod of the second air cylinder 1107 is connected with a limiting rod, and the upper part of the lifting frame 1 is provided with a limiting hole corresponding to the limiting rod. When the cage 11 is lifted to the upper designated position, the second air cylinder 1107 is controlled to act, the limiting rod is extended and inserted into the limiting hole, thereby enabling the cage 11 to be loaded to a certain extent and avoiding the cage 11 from falling accidentally.

[0028] The bottom frame 1101 is fixedly connected with a first square tube 1108 and a second square tube arranged in parallel, the outer ends of the first square tube 1108 and the second square tube are fixedly connected with L-shaped plates 1109, the L-shaped plates 1109 are rotationally connected with conveying gears 1110, the conveying gears 1110 are connected with a third chain 1111, the third chain 1111 passes through the first square tube 1108 and the second square tube and is overlapped on the surface, one end of the first square tube 1108 is fixedly connected with a support plate 1112, the rotating shaft of the conveying gear 1110 corresponding to the position of the support plate 1112 is rotationally connected with the support plate 1112, the rotating shaft is provided with a transmission gear 1113 penetrating through the end of the support plate 1112, the transmission gear 1113 is connected with a driving gear 115 of a driving motor 1114 mounted on the bottom frame 1101 through a fourth chain, and the fourth chain is not shown in the figure, and the L-shaped plates 1109 can effectively protect the third chain 1111. The first guardrail 1116 is fixedly connected to the periphery of the bottom frame 1101, the first guardrail 1116 is provided with an opening side, and the opening direction of the opening side is consistent with the movement direction of the third chain 1111. Two ear plates 1117 are arranged at the bottom of the two sides of the first guardrail 1116, respectively, to be connected with the first chain 13 and the second chain 14.

[0029] The driving motor 1114 is started, the driving gear 1115 drives the conveying gear 1110, and then the third chain 1111 moves in the first square tube 1108 and on the upper surface thereof, the third chain 1111 connected with the conveying gear 1110 on the two sides of the second square tube, so that the grain hopper placed on the third chain 1111 can be automatically moved to the opening side of the first guardrail 1116, and an external conveying device receiving the grain hopper can convey the grain hopper to a specific process position.

[0030] Further, the counterweight frame 12 comprises two vertical channel steels 1201, the upper and lower ends of the channel steels 1201 are fixedly connected with cross beams 1202, the cross beams 1202 are rotationally connected with pulleys 15 slidingly connected with the sliding rod 10, the channel steels 1201 are provided with counterweight blocks 1203 therebetween, and the cross beam 1202 at the top end of the channel steel 1201 is provided with a U-shaped plate 1204 fixedly connected with the first chain 13 and the second chain 14. The C-shaped structure of the channel steel 1201 can clamp the counterweight block 1203, the counterweight block 1203 is in the form of a sheet, the overall volume of the counterweight frame 12 is small, it does not occupy space, and it is arranged in the gap between the first guardrail 1116 and the lifting frame 1 and corresponds to the position of the cross rod 1106.

[0031] The utility model discloses a working principle is: when need to send wine with grain from low place to high place, the grain that holds grain hopper is transported to the cage 11, in the conveying process, can transport grain hopper to the opening side of cage 11, start the drive motor 1114 on the bogie 1101 of cage 11, drive motor 1114 drives the fourth chain movement, the fourth chain drives transmission gear 1113 rotation, and the transmission gear 1113 connection conveying gear 1110 rotates, and then drive third chain 1111 movement, can slowly transport grain hopper to the inside of cage 11. Then start double -end motor 3, and double -end motor 3 drives first chain 13 and second chain 14 movement, and first chain 13 and second chain 14 one end connect the ear plate 1117 of both sides of cage 11, can smoothly lift cage 11, when hoist to the designated height, the position sensor on the lifting frame 1 gets the response, sends signal to PLC controller control double -end motor 3 stop working, simultaneously, PLC controller control second cylinder 1107 action, telescopic link stretches out and drives the movement of limit rod, so that limit rod just inserts into the limit hole on the upper part of lifting frame 1, effectively supports cage 11, and position sensor can adopt photoelectric sensor, and the specific working principle is prior art application, and here will not repeat. In the lifting process of cage 11, the other end of first chain 13 and second chain 14 is connected with counterweight frame 12 with counterweight block 1203 simultaneously, so that both sides of cage 11 can always synchronous movement, avoid the situation of inclination, and cage 11 promotes the while, and counterweight frame 12 moves along slide rod 10 downward, and the setting of counterweight frame 12 can also reduce the load of double -end motor 3, prolong its service life. Reach the designated height position, start drive motor 1114, through the transmission of fourth chain, drive fourth chain movement, slowly remove grain hopper in cage 11 from bogie 1101, can according to actual application situation, when removing grain hopper, can make conveying trolley with roller close to cage 11, and grain hopper can smoothly move to conveying trolley, then transport to the designated process position. When need to put down cage 11, PLC controller control telescopic link of second cylinder 1107 retract, limit rod reset, and double -end motor 3 starts reverse, and counterweight frame 12 moves upward, and cage 11 moves along slide rod 10 downward, and the position sensor on lifting frame 1 senses that cage 11 has lowered to the lowest place, and sends signal to PLC controller control double -end motor 3 stop working.

[0032] The utility model discloses simple structure, convenient operation, small footprint, can use in the limited space, and applicability is strong. Through counterweight frame 12 to reduce double -end motor 3 load, effectively prolong its service life, and first chain 13 and second chain 14 are connected with the ear plate 1117 of both sides of cage 11 simultaneously, cooperate counterweight block 1202 and realize synchronous movement, avoid the side inclination of cage 11 in the process of lifting, cause the occurrence of safety accident.

[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A material hoist, characterized in that, The utility model provides an elevator, which comprises a lifting frame, a lifting platform arranged at the top end of the lifting frame, a double-head motor fixedly connected to the middle of one side of the lifting platform, gear shafts fixedly connected to the two output shafts of the double-head motor, a driving double gear arranged on the gear shafts, and a first support rotatably connected to the gear shafts.

2. A material elevator according to claim 1, characterized in that The lifting platform is provided with a driven gear corresponding to the driving double gear on the side away from the double-head motor, the driven gear is rotatably connected to a second support, a pressing gear rotatably connected to a third support is arranged between the driving double gear and the driven gear, a slide rod vertically arranged on the same side as the double-head motor and the driven gear is arranged inside the lifting frame, the slide rod is slidably connected to a cage, and the slide rod on one side is further slidably connected to a counterweight frame provided with a counterweight.

3. A material elevator according to claim 2, characterised in that The counterweight frame is fixedly connected to first chains on both sides at the top end, the first chains pass through a driving gear of the driving double gear, the pressing gear, and the driven gear in sequence and are fixedly connected to the ear plates on one side of the cage, the counterweight frame is further fixedly connected to second chains on both sides at the top end, the second chains pass through the other driving gear of the driving double gear and are fixedly connected to the ear plates on the other side of the cage, and the lifting platform is provided with through holes corresponding to the first chains and the second chains.

4. A material elevator according to claim 2, characterised in that The cage comprises a base frame, two pulleys connected to the two sides of the base frame, and two slide rods arranged inside the lifting frame, wherein the two pulleys on one side are slidably connected to the inner sides opposite to the slide rods, and the two pulleys on the other side are slidably connected to the sides of the slide rods facing the inner sides of the cage.

5. A material elevator according to claim 4, characterised in that One side of the base frame is fixedly connected to a first pulley frame provided with a pulley through a fixed frame, the pulley is slidably connected to the inner side opposite to the slide rod.

6. A material elevator according to claim 2, characterised in that The front and back sides of the base frame are fixedly connected to first air cylinders through fourth supports, the extension rods of the first air cylinders are fixedly connected to a second pulley frame provided with a pulley, a cross bar is arranged between the second pulley frame, the pulley is slidably connected to the side of the slide rod facing the inner side of the cage, and the cross bar is provided with a counterweight frame slidably connected to the slide rod.

7. A material elevator according to claim 2, characterised in that The front and back sides of the base frame are further fixedly connected to second air cylinders located on the opposite sides of the first air cylinders, the extension rods of the second air cylinders are connected to limiting rods, and the upper part of the lifting frame is provided with limiting holes corresponding to the limiting rods. The base frame is fixedly connected to first square tubes and second square tubes arranged in parallel, L-shaped plates are fixedly connected to the outer sides of the two ends of the first square tubes and the second square tubes, the L-shaped plates are rotatably connected to conveying gears, third chains are connected to the conveying gears, the third chains pass through the first square tubes and the second square tubes and are overlapped on the surfaces, the inner side of one end of the first square tube is fixedly connected to a support plate, the rotating shaft of the conveying gear corresponding to the position of the support plate is rotatably connected to the support plate, the rotating shaft passes through the end of the support plate and is provided with a transmission gear, and the transmission gear is connected to a driving gear of a driving motor mounted on the base frame through a fourth chain. The base frame is fixedly connected to a first guardrail, the first guardrail is provided with an open side, and the opening direction of the open side is consistent with the movement direction of the third chain.

8. A material elevator according to claim 4, characterized in that The counterweight frame comprises two vertical channel steels, the upper and lower ends of the channel steels are fixedly connected with cross beams, the cross beams are rotatably connected with pulleys which are slidably connected with slide rods, counterweights are arranged between the channel steels, and a U-shaped plate fixedly connected with a first chain and a second chain is arranged on the cross beam at the top end of the channel steels.

9. A material elevator as claimed in claim 1, characterized in that The lifting platform is provided with a second guardrail on the periphery, the second guardrail is provided with a passing opening, a ladder is arranged at the passing opening and fixedly connected with the lifting frame, and the ladder is provided with a third guardrail.

10. A material elevator as claimed in claim 1, characterized in that The first support, the second support and the third support are respectively two groups, and all are in a door type structure.

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