CN212264075U - Crucible belt cleaning device with laborsaving raising function - Google Patents

Abstract

The crucible cleaning device with the labor-saving lifting function comprises a lifting mechanism, a rotating mechanism and a traveling mechanism which are arranged on a bracket; the lifting mechanism comprises a speed reducing motor, and the speed reducing motor drives the winch shaft to rotate; the shaft body of the winch shaft is fixedly connected with one end of a steel wire rope, and the other end of the steel wire rope is fixedly connected with the top end of the bracket after bypassing the movable pulley; the movable pulley is connected with a pulley lifting frame of the lifting mechanism into a whole; the movable pulley is rotatably arranged on the pulley support rod body by taking the pulley support rod as a support; and the rod body of the pulley support rod is fixedly connected with the pulley lifting frame. The utility model discloses only need the gear motor of original half output just can realize the promotion action of gyro wheel crane, have simple structure, economical and practical, support the advantage steady, the low-power consumption.

Description

Crucible belt cleaning device with laborsaving raising function

Technical Field

The utility model belongs to the technical field of mechanical engineering kiln crucible belt cleaning device, concretely relates to crucible belt cleaning device with laborsaving raising function.

Background

Currently, in the field of crucible cleaning devices, under the prior art, publication number CN201163152Y discloses a flexible crucible cleaning machine. However, the four groups of flexible steel wire bundles in the technical scheme effectively solve the problem of self-adaptive brushing adjustment of different crucible diameters. But it has the disadvantages that: the lifting adjusting device adopts a screw pair transmission mechanism of a screw nut to realize lifting, and the stability of the lifting can be ensured only by combining with the stable guiding support of the guide post; when the screw pair of the screw nut and the guide pillar guide mechanism are purchased or processed, the matching precision requirement between the accessories is high, the processing difficulty is high, the equipment cost is increased, the cost performance advantage of the equipment is influenced, and the market popularization rate is limited.

Publication No. CN202638823U discloses a cleaning device, which adopts a first motor, and a lifter adopts a steel wire rope to be connected with a lifting frame to complete the lifting of a rotating mechanism. Though the lifting adjusting mechanism has the advantages of simpler structure, easy manufacture and more economical and practical structure, the lifting adjusting problem of the rotary cleaning mechanism is solved. However, in the cleaning device, the first motor is directly connected with and lifts the lifting frame, the twisting lifting force of the first motor is at least equal to the gravity borne by the lifting frame to finish lifting, the requirement on the output power of the first motor is high, and the motor with low power cannot finish labor-saving lifting of the lifting frame. In view of this, the following improvement is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the crucible cleaning device with the labor-saving lifting function is simple in structure, economical and practical; the technical problem of labor-saving lifting of the roller lifting frame by the motor through the steel wire rope is solved, and the lifting action of the roller lifting frame can be completed by adopting the motor with half of the original output power; the lifting device has the advantages of simple structure, economy, practicality, stable lifting, labor saving and low power consumption, and is more suitable for popularization.

The utility model adopts the technical proposal that: the crucible cleaning device with labor-saving lifting function comprises a lifting mechanism, a rotating mechanism and a traveling mechanism which are arranged on a bracket; the method is characterized in that: the lifting mechanism comprises a speed reducing motor, and a power output shaft of the speed reducing motor is coaxially and fixedly connected with the hoisting shaft; two ends of the winch shaft are rotatably supported and mounted at the top end of the bracket through a bearing I; the winch shaft body is fixedly connected with one end of a steel wire rope, and the steel wire rope is wound and stored on the winch shaft body along with the rotating winch shaft; the other end of the steel wire rope is fixedly connected with the top end of the bracket after passing around the movable pulley; the movable pulley is connected with a pulley lifting frame of the lifting mechanism into a whole; the movable pulley is rotatably mounted on the pulley support rod body by taking the pulley support rod as a support; and the rod body of the pulley support rod is fixedly connected with the pulley lifting frame.

In the technical scheme, the rotating mechanism comprises a rotating driving motor, and the rotating driving motor drives a rotating pipe shaft which is vertically arranged to rotate through belt transmission; a protection supporting tube is coaxially sleeved outside the rotating tube shaft; the protective supporting tube is fixedly connected with the pulley lifting frame into a whole; a plurality of anti-shaking supporting pieces are radially and uniformly arranged at the bottom end of the protection supporting tube; the anti-shaking supporting piece is a rubber pipe; the length of the rubber tube is greater than the maximum inner radius of the crucible; the rotary pipe shaft is rotatably mounted in the pipe body of the protection supporting pipe through a bearing II; the bottom end of the rotating pipe shaft extends out of the bottom end of the protective supporting pipe body; flexible steel wire bundles are uniformly and radially arranged at the extending end of the rotating tubular shaft; the length of the flexible steel wire bundle is larger than the maximum inner radius of the crucible.

In the technical scheme, the walking mechanism comprises a roller which rolls along the track and is in friction fit with the walking, and the roller is supported and installed at the bottom end of the bracket; the rollers comprise a driving roller and a plurality of driven rollers; the driving shaft of the driving roller is coaxially and fixedly connected with the power output shaft of the walking speed reducing motor; the walking speed reducing motors are provided with two walking speed reducing motors which are respectively and fixedly arranged at the outer side of the bottom of the support in an axisymmetric manner.

Among the above-mentioned technical scheme, realize the support to elevating system's outrigger for adopting economy, simple, stable, reliable, practical structure to further be favorable to running gear to drive the whole walking that can more steadily of support: the bracket is formed by welding angle steel; the bracket body is in an isosceles trapezoid structure; the lifting support frame is fixedly connected with the inside of the support frame body in a welding manner; the lifting support frame is made of channel steel in a welding mode; the frame body of the lifting support frame is in a vertical cubic structure; and the vertical channel steel of the lifting support frame is matched with the pulley rolling friction arranged at four corners of the pulley lifting frame.

Among the above-mentioned technical scheme, for stable lift to can effectively avoid the rotary mechanism that wire rope hank promoted to appear rocking, preferably: the pulley lifting frames are plate-shaped pieces, and the pulley lifting frames are provided with two groups; the two groups of pulley lifting frames are arranged in parallel at intervals from top to bottom; the plate bodies of the two groups of pulley lifting frames stably support the vertical fixed installation of the protection supporting tube of the rotating mechanism.

Compared with the prior art, the utility model have following advantage:

1. according to the scheme, the isosceles trapezoid bracket main body and the lifting support frame main body with the cubic structure are formed by welding angle steel and channel steel; the structure is simple, the support is stable, the materials are easy to obtain, and the device is economical and practical;

2. the lifting mechanism of the utility model is driven by the gear motor 2, the steel wire rope 5 is lifted, and the labor-saving lifting advantage of the movable pulley 6 is adopted, so that half of the output power of the gear motor 2 can be saved, and the lifting function of the lifting mechanism is realized; therefore, compared with the lifting mechanism of the screw pair of the screw nut in the prior art, the lifting mechanism has the advantages of low cost and low power consumption;

3. the design of the double-pulley lifting frame 7 of the utility model prevents the pulley lifting frame 7 lifted by the steel wire rope from shaking on one hand; on the other hand, the stable supporting installation of the rotating mechanism is realized, and the effect of stably supporting and preventing shaking of the protection supporting tube 11 in the rotating mechanism can be achieved; furthermore, the anti-shaking support of the bottom end of the protection support tube 11 is cooperated with the anti-shaking support 12, so that the anti-shaking effect is excellent when the tubular shaft 10 is rotated for high-speed brushing operation; the rotary driving motor is protected, so that the service life of the rotary mechanism is prolonged;

4. the utility model discloses simple structure, support stable, the material is easy, processing is easy, economical and practical, low-power consumption, have more market competition, more be fit for popularizing.

Drawings

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

FIG. 2 is an enlarged detail structure diagram of the lifting principle of the lifting mechanism in FIG. 1;

FIG. 3 is an enlarged detail view of the other side of the lifting principle of the lifting mechanism in FIG. 1;

FIG. 4 is a schematic view of another side of the walking principle of the walking mechanism in FIG. 1;

fig. 5 is a perspective view of the present invention;

fig. 6 is a top view of the present invention.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 1 to 6. It is to be understood that the following description of the embodiments is merely exemplary and not intended to limit the invention in any way.

The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The crucible brushing methods in the following examples are all conventional methods. The components and materials used in the following examples are commercially available unless otherwise specified. The control circuit in the following embodiments is implemented in a conventional control manner unless otherwise specified.

In the present invention, without the contrary explanation, it is understood that: the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of describing the present invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "disposed" and "provided" are to be interpreted broadly, e.g. as being either fixedly connected or detachably connected, or integrally connected. For example, they may be directly connected to each other or indirectly connected to each other through other intermediate members. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The crucible cleaning device with labor-saving lifting function comprises a lifting mechanism, a rotating mechanism and a traveling mechanism which are arranged on a bracket 1; it should be noted that the lifting principle of the lifting mechanism, the connection relationship between the components and the component structure composition which are not mentioned are the same as those disclosed in the cleaning device disclosed in the publication No. CN202638823U, unless otherwise specified.

The utility model discloses an improvement lies in: the lifting mechanism of the utility model comprises a speed reducing motor 2 (as shown in fig. 2 and fig. 3), wherein a power output shaft of the speed reducing motor 2 is coaxially and fixedly connected with a winch shaft 3 and drives the winch shaft 3 to rotate; the speed reducing motor 2 is fixedly installed by taking the top end of the bracket as a support; two ends of the winch shaft 3 are horizontally rotatably supported and mounted below the top end of the bracket 1 through a bearing I4 (as shown in figure 2); the shaft body of the hoisting shaft 3 is fixedly connected with one end of a steel wire rope 5, and the steel wire rope 5 rotates and winds on the shaft body of the hoisting shaft 3 along with the rotating hoisting shaft 3; the other end of the steel wire rope 5 bypasses the movable pulley 6 and is fixedly connected with the top end of the support 1 (see fig. 3 and fig. 2), and the purpose of driving the lifting mechanism to lift with low power consumption is achieved by utilizing the labor-saving lifting principle of the movable pulley.

The movable pulley 6 is connected with a pulley lifting frame 7 of the lifting mechanism into a whole; the movable pulley 6 is rotatably mounted on the rod body of the pulley supporting rod 8 by taking the horizontal rod body of the pulley supporting rod 8 as a supporting shaft; it should be understood that axial limiting structures are arranged at the left end and the right end of the movable pulley 6, and the axial limiting structures are used for limiting the axial displacement of the movable pulley 6 along the rod body of the pulley support rod 8.

The pulley support rod 8 is a U-shaped piece (as shown in figure 1), and the open end of the bottom end of the rod body of the pulley support rod 8 is fixedly connected with the left side and the right side of the rack body of the pulley lifting rack 7 into a whole in a welding mode. Or as shown in fig. 2, the two components are indirectly welded and fixedly connected into a whole through an intermediate member.

In the above embodiment, the rotating mechanism includes the rotating driving motor 9, and (as shown in fig. 3), the rotating driving motor 9 drives the vertically arranged rotating pipe shaft 10 to rotate through a belt transmission with a shock absorption and buffering function. Specifically, the method comprises the following steps: and a driven belt wheel is coaxially and fixedly installed at the upper end shaft end of the rotating pipe shaft 10, the driven belt wheel is connected with a driving belt wheel through a belt, and the driving belt wheel is coaxially and fixedly connected with a power output shaft of the rotating driving motor 9 to form a belt transmission mechanism.

To prevent the adhesion of dirt to the rotating tubular shaft 10; plays an effective role in protecting the rotating pipe shaft 10: meanwhile, the rotating pipe shaft 10 is prevented from shaking and deflecting, so that the rotating mechanism is prevented from being damaged: a protection support pipe 11 is coaxially sleeved outside the rotating pipe shaft 10; the pipe body of the protection supporting pipe 11 is connected in a pipe end flange mode or fixedly connected with the middle part of the pipe body in a welding mode, the pipe body of the protection supporting pipe 11 vertically penetrates through the pulley lifting frame 7, and the pipe body of the protection supporting pipe 11 is fixedly connected with the horizontal plate body of the pulley lifting frame 7; in addition, a rotating pipe shaft 10 is coaxially arranged in the body of the protection supporting pipe 11. Specifically, the method comprises the following steps: the upper part and the lower part of the tube body of the protection supporting tube 11 respectively support the protective rotary installation of the rotary tube shaft 10 in the tube body through bearings II 101. And the top end of the rotating tubular shaft 10 is coaxially and fixedly connected with a driven belt wheel, the driven belt wheel is connected with a driving belt wheel through a belt, and the driving belt wheel is coaxially and fixedly connected with a power output shaft of the rotating driving motor 9. So as to receive the power transmitted by the rotary driving motor 9 through belt transmission and drive the rotary pipe shaft 10 to rotate at high speed.

In addition, a plurality of, for example, three anti-shaking supporting pieces 12 are uniformly and radially arranged at the bottom end of the protection supporting pipe 11 (as shown in fig. 4); the anti-shaking support 12 is a rubber tube; the length of the rubber tube is greater than the maximum inner radius of the crucible; when in scrubbing operation, the rubber tube is supported on the inner side wall of the crucible; thereby serving to stably support and protect the support tube 11. The specific installation mode of the rubber tube can adopt a fixed ring to fix, support and install. The fixed ring is coaxially welded and fixedly connected with the bottom end of the protection supporting tube 11 into a whole. More specifically: the fixed ring is radially and uniformly distributed and welded with a plurality of inserted bars, and the rubber tube is sleeved on the rod body of the inserted bar and is hooped and fixedly connected with the inserted bar body into a whole by using an iron wire.

The inside of the tube body of the protection supporting tube 11 is rotatably mounted by supporting a rotating tube shaft 10 through a bearing II 101; the bottom end of the rotating pipe shaft 10 extends out of the bottom end of the pipe body of the protection supporting pipe 11; (as shown in FIG. 4), flexible steel wire bundles 13 are radially and uniformly arranged at the extending end of the rotating pipe shaft 10; the length of the flexible steel wire bundle 13 is larger than the maximum inner radius of the crucible. The flexible steel wire bundle 13 is suitable for the brushing principle of crucibles with different inner diameters, and has the same self-adaptive brushing principle as the flexible crucible cleaning machine disclosed in the publication No. CN 201163152Y.

In the above embodiment, in order to adopt a simple mechanism and a more stable and reliable high horsepower power source, the driving and traveling mechanism travels: the running mechanism (shown in fig. 4 and 5) comprises a roller which runs along the rail 14 in a rolling friction fit mode, and the roller is supported and installed at the bottom end of the bracket 1 through a roller shaft; the rollers comprise a driving roller 15 and a plurality of driven rollers 16; a driving shaft of the driving roller 15 is coaxially and fixedly connected with a power output shaft of a walking speed reducing motor 17, and the driving shaft is rotatably supported and installed at the bottom end of the support 1 through a bearing seat assembly; the axle end of the driving shaft is coaxially and fixedly connected with a power output shaft of the walking speed reducing motor 17, the left side and the right side of the driving shaft are coaxially and fixedly connected with driving rollers 15 in a welding mode, and the driving rollers 15 are driven to rotate by the power output shaft of the walking speed reducing motor 17. The installation mode of the driven roller 16 at the bottom end of the bracket 1 is the same as that of the driving roller 15: namely, the driven shaft of the driven roller 16 is rotatably supported and installed at the bottom end of the bracket 1 through a bearing seat assembly; and the shaft end of the driven shaft is coaxially welded and fixedly connected with the driven roller 16. The support 1 for providing a high-horsepower power source to drive the load integrally walks: the walking speed reducing motors 17 are provided with two walking speed reducing motors 17, and the two walking speed reducing motors 17 are respectively arranged on the outer side of the bottom of the support 1 and are symmetrically and fixedly installed by taking the two steel structure installation seats as support shafts.

In the above-mentioned embodiment, for adopting economy, simple, stable, reliable, practical structure to realize support 1 to elevating system's outrigger to further be favorable to running gear to drive support 1 wholly can walk more steadily: the bracket 1 is formed by welding angle steel; the bracket 1 is in an isosceles trapezoid structure (see fig. 1 and 5); a lifting support frame 18 is fixedly welded in the frame body of the bracket 1; the lifting support frame 18 is made of channel steel through welding; the frame body of the lifting support frame 18 is in a vertical cubic structure; and the vertical channel steel of the lifting support frame 18 is matched with pulleys arranged at four corners of the pulley lifting frame 7 in a rolling friction manner. The sliding lifting structure of the pulley lifting frame 7 has the same structure as the related content of the pulley lifting frame 7 disclosed in the cleaning device disclosed in the publication number CN 202638823U.

In the above-mentioned embodiment, for stable lift to can effectively avoid the rotary mechanism that wire rope hank promoted to appear rocking, preferably: the pulley lifting frames 7 are plate-shaped pieces, and the pulley lifting frames 7 are provided with two groups; the two groups of pulley lifting frames 7 are arranged in parallel at intervals up and down; the plate body of the two groups of pulley lifting frames 7 stably supports the vertical fixed installation of the protective supporting tube 11 of the rotating mechanism (as shown in figure 1).

The utility model discloses flexible steel wire bundle 13's lifting principle: the speed reduction motor 2 of the utility model drives the hoisting shaft 3 to rotate, the steel wire rope 5 fixedly connected with the hoisting shaft 3 is continuously wound on the hoisting shaft 3, and the steel wire rope 5 is provided with a movable pulley 6 connected with the steel wire rope, a pulley support rod 8 and a pulley crane 7 according to the labor-saving hoisting principle of the movable pulley; thereby driving the rotating mechanism fixedly supported and installed by the pulley lifting frame 7 and the pulley lifting frame 7 to roll and rub to lift in the vertical direction. When going up and down: the pulley of the pulley lifting frame 7 is in rolling friction fit with a lifting support frame 18 fixedly connected with the bracket 1 in a welding manner; under the stable support of the two groups of pulley lifting frames 7 which are parallel and spaced up and down, the pulley lifting frames 7 can stably lift along the vertical channel steel track of the lifting support frame 18; similarly, the two pulley lifting frames 7 can also stably support and install the anti-shaking stable support for protecting the support tube 11 in the rotating mechanism; accordingly, at the same time a play-proof stable support mounting is achieved which protects the rotary pipe shaft 10 mounted rotatably in the support pipe 11.

The utility model discloses running gear's walking principle: the support 1 is integrated with a lifting mechanism and a rotating mechanism which are arranged on the support 1, when the walking speed reducing motors 17 with the same model power are started synchronously, the walking speed reducing motors 17 drive the driving rollers 15 to rotate, the driving rollers 15 drive a plurality of driven rollers 16 arranged at the bottom end of the support 1 to rotate, and therefore the support 1 is driven to linearly advance along the track 14.

The utility model discloses rotary mechanism's theory of operation: after the travelling mechanism travels to the position above the crucible opening, the lifting mechanism realizes the lifting of the rotating mechanism, and the flexible steel wire bundle 13 of the rotating mechanism extends into the crucible; the anti-shaking supporting piece 12 is manually supported on the inner side wall of the crucible, so that excessive deflection and shaking caused by the overlong rotating pipe shaft 10 during the rotating operation of the flexible steel wire bundle 13 are prevented. When in work: the power output shaft of the rotary driving motor 9 rotates at a high speed, the rotary driving motor 9 drives the rotary tubular shaft 10 in the protective supporting tube 11 to rotate at a high speed through belt transmission, and therefore the linear steel wire bundles 13 radially and uniformly arranged at the bottom end of the rotary tubular shaft 10 extend into the crucible to brush the inner wall of the crucible.

Compared with the prior art: the utility model designs a crucible cleaning device which can save labor and lift the pulley lifting frame 7 by the speed reducing motor 2; the lifting action of the roller lifting frame can be realized only by the speed reducing motor 2 with half of the original output power by adopting a simple, economic and practical structural design; the utility model discloses an elevating system has the advantage of low-cost, low-power consumption than prior art.

From the above description it can be found that: the utility model discloses an isosceles trapezoid bracket main body and a lifting support frame main body with a cubic structure, which are formed by welding angle steel and channel steel; simple structure, stable support, easily obtained materials, economy and practicality. The lifting mechanism of the utility model is driven by the gear motor 2, the steel wire rope 5 is lifted, and the labor-saving lifting advantage of the movable pulley 6 is adopted, so that half of the output power of the gear motor 2 can be saved, and the lifting function of the lifting mechanism is realized; therefore, compared with the prior art, the power supply has the advantages of low cost and low power consumption. The design of the double-pulley lifting frame 7 of the utility model prevents the pulley lifting frame 7 lifted by the steel wire rope from shaking on one hand; on the other hand, the installation of the rotating mechanism supported by the pulley lifting frame 7 can also play a role in stably supporting and preventing shaking for the protection supporting tube 11 in the rotating mechanism; furthermore, the anti-shaking support of the bottom end of the protection support tube 11 is cooperated with the anti-shaking support 12, so that the anti-shaking effect can be indirectly achieved when the rotating tubular shaft 10 in the protection support tube 11 is subjected to high-speed brushing operation; accordingly, the service life of the rotary mechanism brushing operation is prolonged.

In summary, the following steps: the utility model discloses simple structure, support stable, the material is easy, processing is easy, economical and practical, low-power consumption, have more market competition, more be fit for popularizing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims (5)

1. The crucible cleaning device with labor-saving lifting function comprises a lifting mechanism, a rotating mechanism and a traveling mechanism which are arranged on a bracket (1); the method is characterized in that: the lifting mechanism comprises a speed reducing motor (2), and a power output shaft of the speed reducing motor (2) is coaxially and fixedly connected with the hoisting shaft (3); two ends of the winch shaft (3) are rotatably supported and mounted at the top end of the bracket (1) through a bearing I (4); the shaft body of the hoisting shaft (3) is fixedly connected with one end of a steel wire rope (5), and the steel wire rope (5) is wound and stored on the shaft body of the hoisting shaft (3) along with the rotating hoisting shaft (3); the other end of the steel wire rope (5) rounds the movable pulley (6) and is fixedly connected with the top end of the bracket (1); the movable pulley (6) is connected with a pulley lifting frame (7) of the lifting mechanism into a whole; the movable pulley (6) is rotatably mounted on a rod body of the pulley supporting rod (8) by taking the pulley supporting rod (8) as a support; the rod body of the pulley support rod (8) is fixedly connected with the pulley lifting frame (7).

2. The crucible cleaning device with labor-saving lifting function as claimed in claim 1, wherein: the rotating mechanism comprises a rotating driving motor (9), and the rotating driving motor (9) drives a rotating pipe shaft (10) which is vertically arranged to rotate through belt transmission; a protection supporting pipe (11) is coaxially sleeved outside the rotating pipe shaft (10); the protective supporting tube (11) is fixedly connected with the pulley lifting frame (7) into a whole; a plurality of anti-shaking supporting pieces (12) are radially and uniformly arranged at the bottom end of the protection supporting pipe (11); the anti-shaking supporting piece (12) is a rubber pipe; the length of the rubber tube is greater than the maximum inner radius of the crucible; the inside of the body of the protection supporting pipe (11) is rotatably mounted by supporting a rotating pipe shaft (10) through a bearing II (101); the bottom end of the rotating pipe shaft (10) extends out of the bottom end of the pipe body of the protection supporting pipe (11); flexible steel wire bundles (13) are uniformly and radially arranged at the extending end of the rotating tubular shaft (10); the length of the flexible steel wire bundle (13) is larger than the maximum inner radius of the crucible.

3. The crucible cleaning device with labor-saving lifting function as claimed in claim 1, wherein: the walking mechanism comprises a roller which is matched with the rail (14) in a rolling friction way and walks, and the roller is supported and installed at the bottom end of the bracket (1); the rollers comprise a driving roller (15) and a plurality of driven rollers (16); the driving shaft of the driving roller (15) is coaxially and fixedly connected with the power output shaft of the walking speed reducing motor (17); the walking speed reducing motors (17) are provided with two walking speed reducing motors (17), and the two walking speed reducing motors (17) are respectively and fixedly installed at the outer side of the bottom of the support (1) in an axisymmetric mode.

4. The crucible cleaning device with labor-saving lifting function as claimed in claim 1, wherein: the bracket (1) is formed by welding angle steel; the bracket body of the bracket (1) is in an isosceles trapezoid structure; the lifting support frame (18) is fixedly welded in the frame body of the support (1); the lifting support frame (18) is made of channel steel in a welding mode; the frame body of the lifting support frame (18) is of a vertical cubic structure; and the vertical channel steel of the lifting support frame (18) is matched with the pulley rolling friction arranged at four corners of the pulley lifting frame (7).

5. The crucible cleaning device with labor-saving lifting function as claimed in claim 1, wherein: the pulley lifting frames (7) are plate-shaped pieces, and the pulley lifting frames (7) are provided with two groups; the two groups of pulley lifting frames (7) are arranged in parallel at intervals from top to bottom; the plate bodies of the two groups of pulley lifting frames (7) stably support the vertical fixed installation of the protective supporting tubes (11) of the rotating mechanism.

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