Hoisting mechanism for pole plate crane

Abstract

The lifting mechanism comprises a bridge crane, a guide frame and a lifting appliance assembly, the two ends of the bridge crane are installed on the upper portion of a plant through guide rails, the upper portion of the guide frame is fixedly connected with the lower portion of the bridge crane, and the lifting appliance assembly is installed in the guide frame in a sliding mode; a motor and a speed reducer are arranged at the upper part of the bridge crane, the speed reducer is arranged in the middle of the upper part of the bridge crane, and the motor is connected with the speed reducer through a transmission shaft. According to the bridge crane, the speed reducer and the motor are arranged in the middle of the bridge crane, so that the whole crane is more balanced in load and more stable in walking, meanwhile, the swing block is arranged between the movable pulley block and the lifting appliance assembly and can swing in two directions, the pulley block can swing along with the direction of a steel cable, the abrasion speed of the steel cable is reduced, and the service life of the steel cable is prolonged. And meanwhile, the brake disc is locked through the brake, so that the electrolytic polar plate can be lifted more stably and prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic electrode plate crane equipment technical field especially relates to a kind of for the lifting mechanism of electrode plate crane. BACKGROUND

[0002] In the enterprise of copper, zinc, manganese and other metals produced by electrolysis, after electrolysis in electrolytic cell for a period of time, the target metal will be attached to the electrode plate under the action of current, after a period of production, the electrode plate needs to be lifted out of the electrolytic cell and placed into new electrode plate for electrolysis, and the lifted electrode plate can be recycled after stripping and cleaning. In order to improve the current density, the electrode plates are closely placed in the electrolytic cell, so when the electrode plates are taken out of the cell, a crane is usually used to lift the electrode plates at one time. For example, a Chinese patent with application number 201810101818.0 discloses a multi-lifting electrolytic crane and a method for lifting cathode plates. The multi-lifting electrolytic crane includes a cart and a multi-lifting hoist that is liftable and hangable on the cart through a sliding mechanism. The multi-lifting hoist includes a hanger with multiple rows of parallel and horizontally arranged hanging mechanisms. The hanger also has multiple horizontal work position conversion devices for each row of hanging mechanisms. After the crane pulls the steel cable through the traction device, the multi-lifting hoist moves up and down through the wheel change to achieve fast lifting of the electrolytic electrode plates. However, the traction device is offset installed on the cart, which causes the center of gravity of the cart to shift, making the cart prone to shift during movement. In addition, the movable pulley of the crane is fixedly installed on the guide frame, and the pulley does not swing left and right, which causes significant wear on the steel wire rope. Therefore, a lifting mechanism for electrode plate crane is needed, which has a lifting drum located in the middle of the bridge crane, stable overall load, and a hinge between the movable pulley set and the hoist assembly, allowing the movable pulley set to swing with the direction of the steel cable, reducing the wear rate of the steel cable. SUMMARY

[0003] To solve the above problems, the utility model provides a kind of for the lifting mechanism of electrode plate crane, its lifting drum is located in the middle of the bridge crane, overall load is stable, simultaneously, hinge is set between movable pulley set and hoist assembly, so that movable pulley set can swing with the direction of steel cable, reduce the wear rate of steel cable.

[0004] The utility model discloses a lifting mechanism for polar plate crane is provided, including: bridge crane, guide frame, sling assembly, the bridge crane both ends are installed in the upper portion of workshop through guide rail, the upper portion of guide frame is fixedly connected with the lower portion of bridge crane, and the sling assembly is slidably installed in the guide frame, the upper portion of bridge crane is equipped with motor and speed reducer, and the speed reducer is installed in the middle of the upper portion of bridge crane, and the motor is connected with the speed reducer through transmission shaft, the both sides of speed reducer are equipped with lifting drum, and one end of lifting drum is connected with the speed reducer, and the other end of lifting drum is connected with bridge crane through bearing seat, first steel cable, second steel cable are wound on lifting drum, and the bridge crane is equipped with fixed pulley, and the sling assembly is equipped with movable pulley, and the end of first steel cable and second steel cable is fixed in the lower portion of bridge crane after passing fixed pulley and movable pulley in proper order.

[0005] Further, the first steel cable and the second steel cable are wound in the same direction on the lifting drum, and the first steel cable and the second steel cable extend in opposite directions.

[0006] Further, the sling assembly is slidably connected to the guide frame through the rollers.

[0007] Further, the movable pulley is connected to the sling assembly through the swing block, the swing block is provided with an axle hole at the upper portion and the lower portion, the axle hole at the lower portion is parallel to the rotating shaft of the movable pulley, the axle hole at the upper portion is perpendicular to the axle hole at the lower portion, a pin shaft is inserted into the axle hole, the upper portion of the swing block is hingedly connected to the movable pulley, and the lower portion of the swing block is hingedly connected to the sling assembly.

[0008] Further, the pin shaft is provided with a limiting groove, the swing block is provided with a limiting piece, the limiting piece is clamped on the limiting groove, and the limiting piece is fixed to the side surface of the swing block through bolts.

[0009] Further, the transmission shaft is provided with a brake disc, the bridge crane is provided with a brake, and the brake is installed on the both sides of the brake disc.

[0010] Further, the fixed pulley and the movable pulley are both four, and the fixed pulley is located directly above the movable pulley.

[0011] The utility model discloses the beneficial effects: through setting up the speed reducer and motor in the middle portion of bridge crane, make the whole machine load more balanced, when walking, more stable, swing block is set up between movable pulley group and sling assembly, swing block can swing in two directions, and the pulley group can swing along with the direction of steel cable, reduce the abrasion rate of steel cable, and the brake disc is locked through the brake, and when lifting electrolytic polar plate, can be more stable, prevent polar plate from falling. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model;

[0013] Figure 2 is a top view of the utility model;

[0014] Figure 3 is a schematic view of the connection between the motor and the speed reducer of the utility model;

[0015] Figure 4 is a structural schematic view of the brake disc of the utility model;

[0016] Figure 5 is a structural schematic view of the swing block of the utility model;

[0017] Figure 6 is a structural schematic view of the roller of the utility model;

[0018] Figure 7 is a schematic view of the cable winding direction of the utility model;

[0019] In the figure: 1-bridge crane, 2-guiding frame, 3-lifting appliance assembly, 4-roller, 5-motor, 6-speed reducer, 7-transmission shaft, 8-rise winding drum, 9-first cable, 10-second cable, 11-fixed pulley, 12-moving pulley, 13-swing block, 14-pivot, 15-limiting sheet, 16-brake disc, 17-brake. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and identical or similar signs represent identical or similar elements or elements with identical or similar functions throughout the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

[0022] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0023] As shown in Figures 1 to 7 An embodiment of the present application provides a lifting mechanism for the polar plate crane, comprising: a bridge crane 1, a guide frame 2, a lifting assembly 3, the bridge crane 1 is installed at the upper part of the factory building through the guide rail at both ends, the upper part of the guide frame 2 is fixedly connected with the lower part of the bridge crane 1, and the lifting assembly 3 is slidingly installed in the guide frame 2; the upper part of the bridge crane 1 is provided with a motor 5 and a speed reducer 6, the speed reducer 6 is installed in the middle of the upper part of the bridge crane 1, the motor 5 is connected with the speed reducer 6 through a transmission shaft 7, the speed reducer 6 is symmetrically provided with a lifting drum 8 at both sides, one end of the lifting drum 8 is connected with the speed reducer 6, and the other end of the lifting drum 8 is connected with the bridge crane 1 through a bearing seat; the lifting drum 8 is wound with a first steel cable 9 and a second steel cable 10, the bridge crane 1 is provided with a fixed pulley 11, the lifting assembly 3 is provided with a movable pulley 12, and the end portions of the first steel cable 9 and the second steel cable 10 are fixed to the lower part of the bridge crane 1 after passing through the fixed pulley 11 and the movable pulley 12 in sequence.

[0024] The bridge crane 1 drives the guide frame 2 and the lifting assembly 3 to move on the guide rail, after moving above the electrolytic cell to be lifted, the motor 5 drives the lifting drum 8 to rotate through the speed reducer 6, and the first steel cable 9 and the second steel cable 10 are lowered, so that the lifting assembly 3 slowly descends, after descending to a predetermined appropriate height, the lifting assembly 3 is hooked by the lifting lug on the upper part of the polar plate through the grabbing mechanism on the upper part thereof, then the motor 5 drives the lifting drum 8 to rotate reversely, so as to tighten the first steel cable 9 and the second steel cable 10, the lifting assembly 3 is pulled up together with the polar plate, and then the polar plate is transported to the stripping station through the bridge crane 1, and the metal separated on the polar plate is stripped.

[0025] The motor 5 and the speed reducer 6 are arranged at the middle part of the bridge crane 1, so that the center of the bridge crane 1 is kept at the middle part of the bridge crane 1, so that the overall load is more balanced, when the bridge crane 1 starts and stops, the forces borne by the walking wheels on both sides of the bridge crane 1 are the same, so that the bridge crane 1 is more stable when driving and stopping, and the wear speed of the walking wheels on both sides of the bridge crane 1 is the same, when the lifting assembly 3 is lifted, the angle between the steel cable and the movable pulley 12 changes, at this time, the movable pulley 12 can swing through the swing block 13, so that the angle of the movable pulley 12 is parallel to the angle of the steel cable, thereby reducing the wear of the steel cable by the outer groove of the movable pulley 12, reducing the wear speed and prolonging the service life.

[0026] As shown in Figure 7 , since the first steel cable 9 and the second steel cable 10 are wound in the same direction on the hoisting drum 8, the first steel cable 9 and the second steel cable 10 extend in opposite directions, under the action of gravity, the speed reducer 6 and the motor 5 are easily driven, preventing the lifting assembly 3 from falling, therefore, the brake disc 16 is arranged on the transmission shaft 7, and the brake 17 is arranged on the bridge crane 1, the brake 17 adopts the existing brake principle, the brake 17 pushes the friction plate inside the brake 17 to clamp the brake disc 16, and locks the brake disc 16 by using the friction force, preventing the lifting assembly 3 and the pole plate from falling during the transfer of the bridge crane 1, and improving the safety of the equipment.

[0027] Preferably, the first steel cable 9 and the second steel cable 10 are wound in the same direction on the hoisting drum 8, and the first steel cable 9 and the second steel cable 10 extend in opposite directions, so that the hoisting drum 8 located at the middle part of the fixed pulley 11 can drive the lifting assembly 3 to rise at the same time through the first steel cable 9 and the second steel cable 10, ensuring the smooth operation of the lifting assembly 3 during rising.

[0028] In a specific embodiment, as shown in Figure 6 , the lifting assembly 3 is provided with the roller 4 on both sides, the lifting assembly 3 is installed in the guide frame 2, and the lifting assembly 3 is connected with the guide frame 2 through the roller 4, so as to facilitate the smooth sliding of the lifting assembly 3 on the guide frame 2, and the ventilation guide frame 2 limits the swing of the lifting assembly 3, avoiding the situation that the pole plate falls off due to the swing of the lifting assembly 3 during rising and falling.

[0029] Preferably, as shown in Figure 5As shown, the lower part of the movable pulley 12 is connected with the lifting tool assembly 3 through the swing block 13, the upper part and the lower part of the swing block 13 are provided with shaft holes, the shaft hole of the lower part is parallel with the rotating shaft of the movable pulley 12, the shaft hole of the upper part is perpendicular with the shaft hole of the lower part, the pin shaft 14 is inserted into the shaft holes, the upper part of the swing block 13 is hinged with the movable pulley 12, the lower part of the swing block 13 is hinged with the lifting tool assembly 3, and the swing block 13 can swing in two directions, so that the movable pulley 12 can deflect along with the angle of the first steel cable 9 or the second steel cable 10, the angle of the movable pulley 12 is parallel with the angle of the steel cable, thereby reducing the abrasion of the outer groove of the movable pulley 12 to the steel cable, reducing the abrasion speed and prolonging the service life.

[0030] In a preferred embodiment, the pin shaft 14 is provided with a limiting groove, the swing block 13 is provided with a limiting piece 15, the limiting piece 15 is clamped on the limiting groove, and the limiting piece 15 is fixed on the side of the swing block 13 through a bolt, the limiting piece 15 is used for fixing the pin shaft 14, and after the limiting piece 15 is removed, the swing block 13 can be conveniently oiled or replaced with the pin shaft 14, thereby improving the convenience of maintenance.

[0031] In a preferred embodiment, as shown in the drawings, Figure 4 The brake disc 16 is arranged on the transmission shaft 7, and the brake 17 is arranged on the bridge crane 1, the brake 17 is installed on the two sides of the brake disc 16, under the action of gravity, the speed reducer 6 and the motor 5 are easily driven, and the lifting tool assembly 3 is prevented from falling, therefore, the brake disc 16 is arranged on the transmission shaft 7, and the brake 17 is arranged on the bridge crane 1, the brake 17 adopts the existing brake principle, the brake 17 drives the friction plate inside the brake 17 to clamp the brake disc 16, the brake disc 16 is locked through friction, the lifting tool assembly 3 and the polar plate are prevented from falling during the transfer of the bridge crane 1, and the safety of the equipment is improved.

[0032] In a preferred embodiment, as shown in the drawings, Figure 7 The four fixed pulleys 11 are located above the four movable pulleys 12, the lifting tool assembly 3 is lifted through the two first steel cables 9 and the two second steel cables 10, so that the lifting tool assembly 3 can stably rise or fall, and the accident of the polar plate falling due to the inclination is avoided.

[0033] Of course, the present application also has other various embodiments, and based on the present embodiment, other embodiments obtained by the ordinary skilled in the art without any creative labor belong to the range protected by the present application.

Claims

1. A lifting mechanism for a plate crane, characterized in that: include: A bridge crane (1), a guide frame (2), and a sling assembly (3), wherein both ends of the bridge crane (1) are mounted on the upper part of a factory building via guide rails, the upper part of the guide frame (2) is fixedly connected to the lower part of the bridge crane (1), and the sling assembly (3) is slidably mounted in the guide frame (2); a motor (5) and a reducer (6) are provided on the upper part of the bridge crane (1), the reducer (6) is mounted in the middle of the upper part of the bridge crane (1), the motor (5) is connected to the reducer (6) via a transmission shaft (7), and the reducer (6) is mounted on both sides. A lifting drum (8) is symmetrically arranged on the side, one end of the lifting drum (8) is connected to the speed reducer (6), and the other end of the lifting drum (8) is connected to the bridge crane (1) through a bearing seat; a first steel cable (9) and a second steel cable (10) are wound on the lifting drum (8), a fixed pulley (11) is provided on the bridge crane (1), and a movable pulley (12) is provided on the sling assembly (3); the ends of the first steel cable (9) and the second steel cable (10) are successively passed around the fixed pulley (11) and the movable pulley (12) and then fixed to the lower part of the bridge crane (1).

2. A lifting mechanism for a plate crane according to claim 1, characterized in that: The first steel cable (9) and the second steel cable (10) are wound in the same direction on the hoisting drum (8), and the first steel cable (9) and the second steel cable (10) extend in opposite directions.

3. The lifting mechanism for a plate crane according to claim 1, characterized in that: Rollers (4) are provided on both sides of the sling assembly (3), the sling assembly (3) is installed in the guide frame (2), and the sling assembly (3) is slidably connected to the guide frame (2) through the rollers (4).

4. The lifting mechanism for a plate crane according to claim 1, characterized in that: The lower part of the movable pulley (12) is connected to the sling assembly (3) through a swing block (13). The upper and lower parts of the swing block (13) are both provided with axial holes. The lower axial hole is parallel to the rotating axis of the movable pulley (12), and the upper axial hole and the lower axial hole are perpendicular to each other. A pin (14) is inserted into the axial hole. The upper part of the swing block (13) is hinged to the movable pulley (12), and the lower part of the swing block (13) is hinged to the sling assembly (3).

5. The lifting mechanism for a plate crane according to claim 4, characterized in that: The pin shaft (14) is provided with a limiting groove, the swing block (13) is provided with a limiting piece (15), the limiting piece (15) is clamped on the limiting groove, and the limiting piece (15) is fixed to the side of the swing block (13) by bolts.

6. The lifting mechanism for a plate crane according to claim 1, characterized in that: The transmission shaft (7) is provided with a brake disc (16), and the bridge crane (1) is provided with a brake (17), and the brake (17) is installed on both sides of the brake disc (16).

7. The lifting mechanism for a plate crane according to claim 1, characterized in that: There are four fixed pulleys (11) and four movable pulleys (12), and the fixed pulleys (11) are all located directly above the movable pulleys (12).

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