阅读说明：本技术 一种冶金铸造起重机主起升机构 (Main hoisting mechanism of metallurgical casting crane ) 是由 梁大伟 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种冶金铸造起重机主起升机构,一种冶金铸造起重机主起升机构,包括支撑架,所述支撑架的顶部固定连接有顶梁,所述顶梁的两侧均固定连接有传动机构,两个所述传动机构之间安装有活动架,所述活动架的顶部固定连接有起升装置,通过电机二带动驱动轮运动,使得输送带一跟随转动,通过调整两个张紧轮的位置,使得输送带一完全张紧,通过两个齿轮之间的传动,利用输送带一和输送带二与滚轴外表面的摩擦力,带动活动架的整体在顶梁中滑动,同时,滑轮卡接在滑轨上保证活动架的活动不会发生偏移；电机一工作,通过减速器的减速效果,带动转轴转动,带动安装在转轴上的转辊转动,通过转辊控制绳索的收卷达到吊装的效果。(The invention discloses a main hoisting mechanism of a metallurgical casting crane, which comprises a support frame, wherein the top of the support frame is fixedly connected with a top beam, two sides of the top beam are fixedly connected with transmission mechanisms, a movable frame is arranged between the two transmission mechanisms, the top of the movable frame is fixedly connected with a hoisting device, a motor II drives a driving wheel to move, a first conveyer belt rotates along with the first conveyer belt, the first conveyer belt is completely tensioned by adjusting the positions of two tensioning wheels, the first conveyer belt and the second conveyer belt are driven to slide in the top beam by the friction force between the first conveyer belt and the outer surface of a rolling shaft through the transmission between two gears, and meanwhile, a pulley is clamped on a sliding rail to ensure that the movement of the movable frame cannot deviate; the motor works, the rotating shaft is driven to rotate through the speed reduction effect of the speed reducer, the rotating roller installed on the rotating shaft is driven to rotate, and the rope is controlled to be wound through the rotating roller to achieve the effect of hoisting.)

1. The utility model provides a metallurgical casting crane main hoisting mechanism, includes support frame (1), top fixedly connected with back timber (2) of support frame (1), its characterized in that, the equal fixedly connected with drive mechanism (5) in both sides of back timber (2), two install adjustable shelf (4) between drive mechanism (5), the top fixedly connected with hoisting apparatus (3) of adjustable shelf (4).

2. The main hoisting mechanism of the metallurgical casting crane according to claim 1, wherein the transmission mechanism (5) comprises a mounting plate (505), mounting grooves (507) are respectively formed in two sides of the middle of the mounting plate (505), tension pulleys (506) are fixedly connected in the mounting grooves (507), transmission wheels (503) are rotatably connected to four corners of the mounting plate (505), a second motor (509) is fixedly mounted on the outer side of the mounting plate (505) on one side, an output shaft of the second motor (509) penetrates through the mounting plate (505) and is fixedly mounted with a driving wheel (508), the first conveyor belt (504) is sleeved on the driving wheel (508), the two tension pulleys (506) and the two transmission wheels (503), the second conveyor belt (510) is sleeved on the other two transmission wheels (503), and limit blocks (502) are fixedly mounted on the upper portion of the first conveyor belt (504) and the lower portion of the second conveyor belt (510), the two limiting blocks (502) are respectively abutted against the first conveying belt (504) and the second conveying belt (510), and stop blocks (501) are fixedly connected to the positions of two sides of a gap formed between the first conveying belt (504) and the second conveying belt (510).

3. A metallurgical foundry crane main hoist according to claim 1, characterized in that the two gearwheels (503) on one side are each coaxially provided with a gear (511), and the two gears (511) are engaged with each other.

4. The main hoisting mechanism of the metallurgical casting crane according to claim 1, wherein the movable frame (4) comprises a base frame (401), the base frame (401) is of a rectangular frame structure, three pulleys (402) are mounted on two sides of the base frame (401), a connecting column (403) is fixedly connected between any two pulleys (402), a roller (404) is rotatably connected in the connecting column (403), and the tip end of the roller (404) is clamped between a first conveying belt (504) and a second conveying belt (510).

5. A metallurgical foundry crane main hoisting mechanism according to claim 1, characterized in that a transmission shaft (512) is fixedly arranged between the two transmission wheels (503) on the same side.

6. The main hoisting mechanism of the metallurgical casting crane according to claim 1, wherein the positions of the two sides of the top beam (2) close to the transmission mechanism (5) are fixedly connected with limiting frames (201), the tops of the limiting frames (201) and the top beam (2) opposite to the limiting frames (201) are fixedly connected with sliding rails (202), and pulleys (402) on the two sides of the underframe (401) are clamped on the sliding rails (202).

7. The main hoisting mechanism of the metallurgical casting crane according to claim 4, wherein a speed reducer (302) is fixedly mounted on one side of the top of the underframe (401), a first motor (301) is fixedly connected to one side of the speed reducer (302), an output shaft of the first motor (301) is connected to an input end of the speed reducer (302), a connecting block (303) is fixedly connected to an output end of the speed reducer (302), a rotating shaft (307) is fixedly connected to the other side of the connecting block (303), two clamping blocks (304) are fixedly mounted on the other side of the top of the underframe (401), the rotating shaft (307) penetrates through the two clamping blocks (304) and a rotating roller (305) is fixedly mounted in a position between the two clamping blocks (304).

8. A metallurgical foundry crane main hoisting mechanism according to claim 7, characterized in that a limit buckle (306) is mounted on the junction of the connecting block (303) and the rotating shaft (307).

9. The main hoisting mechanism of the metallurgical casting crane according to claim 7, wherein a mounting block (3065) is fixedly connected to one side of the top of the underframe (401), a fixed rod (3061) is fixedly connected to the lower portion of the mounting block (3065), a "U" shaped buckle (3062) is rotatably connected to the other side of the fixed rod (3061), a movable rod (3064) is rotatably connected to the other end of the "U" shaped buckle (3062), the other end of the movable rod (3064) is clamped with the upper portion of the mounting block (3065), a bearing (3063) is fixedly installed in the "U" shaped buckle (3062), and the connection position of the connecting block (303) and the rotating shaft (307) is located in the bearing (3063).

Technical Field

The invention relates to the technical field of hoisting equipment, in particular to a main hoisting mechanism of a metallurgical casting crane.

Background

The metallurgical crane is a hoisting device which works by means of longitudinal movement along the direction of a plant rail, transverse movement of a trolley and lifting motion of a lifting hook.

The invention discloses a bridge crane, which comprises a crane girder, wherein the middle part of the crane girder is guided and matched with a movable seat, two ends of the crane girder are respectively provided with a sliding seat matched with a track, the bottom end part of the outer side of the sliding seat is provided with a power chain wheel, the track is respectively provided with a guide groove corresponding to the position of the power chain wheel, a rack is paved in the guide groove, the front end and the rear end of the power chain wheel are respectively provided with a guide roller, the bottom end part of the inner side of the sliding seat is provided with an L-shaped guide rod, a roller is arranged on the horizontal section of the L-shaped guide rod, the inner side of the track is provided with an outward convex platform, a transmission shaft is arranged between the sliding seats at one side of the crane girder, two ends of the transmission shaft are respectively provided with a transmission chain wheel, the power chain wheels are respectively engaged with the transmission chain wheels at the corresponding ends, the movable mechanism in the device adopts chain transmission, the noise is large, the transmission efficiency is low, the precision is not good.

Disclosure of Invention

The invention aims to provide a main hoisting mechanism of a metallurgical casting crane, which achieves the following technical effects:

1. the friction force of the belt drives the movable frame to move, so that mechanical connection is reduced;

2. through multistage stop device, reduce the skew of hoisting apparatus motion, the precision of motion is higher.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a metallurgical casting crane main hoisting mechanism, includes the support frame, the top fixedly connected with back timber of support frame, the equal fixedly connected with drive mechanism in both sides of back timber, two install the adjustable shelf between the drive mechanism, the top fixedly connected with hoisting device of adjustable shelf.

As a further scheme of the invention: the transmission mechanism comprises a mounting plate, mounting grooves are respectively arranged at the two sides of the middle of the mounting plate, a tension wheel is fixedly connected in the mounting grooves, the purpose of adjusting the tension of the conveying belt can be achieved by adjusting the position of the tension wheel in the mounting groove, a second motor is fixedly arranged on the outer side of the mounting plate at one side of the driving wheel which is rotatably connected with the four corners of the mounting plate, an output shaft of the second motor penetrates through the mounting plate and is fixedly provided with a driving wheel, the two tension wheels and the two driving wheels are sleeved with a first conveying belt, the other two driving wheels are sleeved with a second conveying belt, the upper part of the first conveying belt and the lower part of the second conveying belt are both fixedly provided with limiting blocks, the two limiting blocks are respectively abutted against the first conveying belt and the second conveying belt, and the positions of two sides of the gap formed between the first conveying belt and the second conveying belt are fixedly connected with check blocks.

As a further scheme of the invention: and gears are coaxially arranged on the two driving wheels on one side at the other side of the mounting plate, and the two gears are meshed with each other, so that the four driving wheels have the same rotating speed, and the rotating directions of the driving wheels on the upper side and the lower side are opposite.

As a further scheme of the invention: the adjustable frame comprises a bottom frame, wherein the bottom frame is of a rectangular frame structure, three pulleys are installed on two sides of the bottom frame, a connecting column is fixedly connected between any two pulleys, a rolling shaft is connected to the connecting column in a rotating mode, and the tip end of the rolling shaft is connected between a first conveying belt and a second conveying belt in a clamping mode.

As a further scheme of the invention: a transmission shaft is fixedly arranged between the two transmission wheels at the same side, and the transmission shaft transmits transmission force to the transmission mechanism at the other side, so that the transmission mechanisms at the two sides keep synchronous rotation.

As a further scheme of the invention: the two sides of the top beam are close to the position fixedly connected with limiting frames of the transmission mechanism, the two sides of the limiting frames and the tops of the opposite top beams are fixedly connected with sliding rails, and pulleys on the two sides of the bottom frame are clamped on the sliding rails.

As a further scheme of the invention: the utility model discloses a roller bearing, including chassis, the top of chassis, the output shaft of motor one, the output of motor one, the top of chassis is fixed mounting has the reduction gear, one side fixedly connected with motor one of reduction gear, the output fixedly connected with connecting block of reduction gear, the opposite side fixedly connected with pivot of connecting block, the top opposite side fixed mounting of chassis has two joint pieces, the pivot runs through two joint pieces and the fixed position between two joint pieces installs the commentaries on classics roller.

As a further scheme of the invention: and a limiting buckle is arranged at the joint of the connecting block and the rotating shaft.

As a further scheme of the invention: the utility model discloses a bearing, including the installation piece, the top of chassis, the lower part of installation piece is fixed with the installation piece, the lower part fixedly connected with dead lever of installation piece, the opposite side of dead lever is rotated and is connected with "U" shape and detains, the other end that "U" shape was detained rotates and is connected with the movable rod, the other end of movable rod and the upper portion looks joint of installation piece, fixed mounting has the bearing in "U" shape is detained, the junction of connecting block and pivot is arranged in the bearing.

The invention has the beneficial effects that:

1. when the movable frame moves, the driving wheel is driven by the motor II to move, so that the first conveying belt rotates along with the first conveying belt, the first conveying belt is completely tensioned by adjusting the positions of the two tensioning wheels, the slipping condition is reduced, the friction force between the first conveying belt and the outer surface of the roller and the friction force between the second conveying belt and the outer surface of the roller are utilized to drive the whole movable frame to slide in the top beam, the mechanical connection is few, and the movable frame has the advantages of low noise, high transmission efficiency and high control accuracy;

2. the pulley joint is on the slide rail, in addition, the junction installation bearing of connecting block and pivot is installing the bearing and is detaining "U" shape, the hookup location of adjustment movable rod and installation piece, make the output shaft and the pivot of motor one on same straight line, spacing knot carries out spacing support to contact point between them simultaneously, reduce beating of transmission in-process pivot, the skew of hoisting apparatus motion has been reduced, make the precision of motion higher, whole hoisting machine constructs's security has also been guaranteed.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of a hoist according to the present invention;

FIG. 3 is a schematic view of the mounting structure of the spacing frame of the present invention;

FIG. 4 is a schematic view of the drive mechanism of the present invention;

FIG. 5 is a schematic view of the gear mounting structure of the present invention;

fig. 6 is a schematic view of the installation structure of the limit buckle of the invention.

In the figure: 1. a support frame; 2. a top beam; 201. a limiting frame; 202. a slide rail; 3. a hoisting device; 301. a first motor; 302. a speed reducer; 303. connecting blocks; 304. a clamping block; 305. rotating the roller; 306. a limit buckle; 3061. fixing the rod; 3062. a U-shaped buckle; 3063. a bearing; 3064. a movable rod; 3065. mounting blocks; 307. a rotating shaft; 4. a movable frame; 401. a chassis; 402. a pulley; 403. connecting columns; 404. a roller; 5. a transmission mechanism; 501. a stopper; 502. a limiting block; 503. a driving wheel; 504. a first conveying belt; 505. mounting a plate; 506. a tension wheel; 507. mounting grooves; 508. a drive wheel; 509. a second motor; 510. a second conveying belt; 511. a gear; 512. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the invention relates to a main hoisting mechanism of a metallurgical casting crane, which comprises a support frame 1, wherein the top of the support frame 1 is fixedly connected with a top beam 2, two sides of the top beam 2 are both fixedly connected with transmission mechanisms 5, a movable frame 4 is arranged between the two transmission mechanisms 5, and the top of the movable frame 4 is fixedly connected with a hoisting device 3.

The transmission mechanism 5 comprises a mounting plate 505, mounting grooves 507 are respectively formed in two sides of the middle of the mounting plate 505, tension pulleys 506 are fixedly connected in the mounting grooves 507, the purpose of adjusting the tension of a first conveyor belt 504 can be achieved by adjusting the positions of the tension pulleys 506 in the mounting grooves 507, a second motor 509 is fixedly mounted on the outer side of the mounting plate 505 and is rotatably connected with one side of a driving wheel 503 at four corners of the mounting plate 505, an output shaft of the second motor 509 penetrates through the mounting plate 505 and is fixedly mounted with a driving wheel 508, the two tension pulleys 506 and the two driving wheels 503 are sleeved with the first conveyor belt 504, the other two driving wheels 503 are sleeved with a second conveyor belt 510, the upper part of the first conveyor belt 504 and the lower part of the second conveyor belt 510 are fixedly mounted with limit blocks 502, and the two limit blocks 502 are respectively abutted against the first conveyor belt 504 and the second conveyor belt 510, stoppers 501 are fixedly connected to the two sides of the gap formed between the first conveying belt 504 and the second conveying belt 510.

At the other side of the mounting plate 505, two driving wheels 503 at one side are coaxially provided with gears 511, and the two gears 511 are engaged with each other, so that the four driving wheels 503 have the same rotation speed, and the rotation directions of the driving wheels 503 at the upper side and the lower side are opposite.

The adjustable shelf 4 includes chassis 401, chassis 401 is the rectangular frame structure, three pulley 402 is all installed to chassis 401's both sides, fixedly connected with spliced pole 403 between two arbitrary pulleys 402, it has roller 404 to rotate in the spliced pole 403, the most advanced joint of roller 404 is between conveyer belt 504 and two 510 of conveyer belt, through the transmission between two gears 511 for two 510 of conveyer belt of below rotate simultaneously, and the turn to between conveyer belt 504 and two 510 of conveyer belt is opposite simultaneously, utilizes the frictional force of conveyer belt 504 and two 510 of conveyer belt and roller 404 surface, drives the whole of adjustable shelf 4 and slides in back timber 2.

A transmission shaft 512 is fixedly installed between the two transmission wheels 503 on the same side, and the transmission shaft 512 transmits transmission force to the transmission mechanism 5 on the other side, so that the transmission mechanisms 5 on both sides keep synchronous rotation.

The position fixedly connected with spacing 201 that the both sides of back timber 2 are close to drive mechanism 5, both sides spacing 201 and the equal fixedly connected with slide rail 202 in top of its relative back timber 2, the pulley 402 joint of chassis 401 both sides is on slide rail 202, guarantees that the activity of adjustable shelf 4 can not take place the skew.

The utility model discloses a roller, including chassis 401, one side of chassis 401's top one side fixed mounting has reduction gear 302, one side fixedly connected with motor 301 of reduction gear 302, the input of the output shaft access reduction gear 302 of motor 301, the output fixedly connected with connecting block 303 of reduction gear 302, the opposite side fixedly connected with pivot 307 of connecting block 303, the top opposite side fixed mounting of chassis 401 has two joint pieces 304, pivot 307 runs through two joint pieces 304 and the fixed position between two joint pieces 304 installs and changes roller 305.

And a limit buckle 306 is arranged at the joint of the connecting block 303 and the rotating shaft 307.

An installation block 3065 is fixedly connected to one side of the top of the underframe 401, a fixed rod 3061 is fixedly connected to the lower portion of the installation block 3065, a U-shaped buckle 3062 is rotatably connected to the other side of the fixed rod 3061, a movable rod 3064 is rotatably connected to the other end of the U-shaped buckle 3062, the other end of the movable rod 3064 is connected with the upper portion of the installation block 3065 in a clamping mode, a bearing 3063 is fixedly installed in the U-shaped buckle 3062, the bearing 3063 is installed in the U-shaped buckle 3062, the connection position of the movable rod 3064 and the installation block 3065 is adjusted, adjustment is facilitated, and the output shaft of the first motor 301 and the rotating shaft 307 are located on the same straight line.

The working principle of the invention is as follows:

1. when the movable frame 4 moves, the second motor 509 is started to drive the driving wheel 508 to move, so that the first conveying belt 504 rotates along with the first conveying belt, the first conveying belt 504 is completely tensioned by adjusting the positions of the two tensioning wheels 506, the slipping condition is reduced, the second conveying belt 510 below the first conveying belt 504 rotates simultaneously through transmission between the two gears 511, the first conveying belt 504 and the second conveying belt 510 rotate in opposite directions, the whole movable frame 4 is driven to slide in the top beam 2 by using the friction force between the first conveying belt 504 and the second conveying belt 510 and the outer surface of the roller 404, and meanwhile, the pulley 402 is clamped on the sliding rail 202 to ensure that the movement of the movable frame 4 cannot deviate;

2. during hoisting operation, the first motor 301 works, the rotating shaft 307 is driven to rotate through the speed reduction effect of the speed reducer 302, the rotating roller 305 arranged on the rotating shaft 307 is driven to rotate, and the rope is controlled to be wound through the rotating roller 305 to achieve the hoisting effect; meanwhile, when the device is installed, a bearing 3063 is installed at the connecting position of the connecting block 303 and the rotating shaft 307, the bearing 3063 is installed in the U-shaped buckle 3062, and the connecting position of the movable rod 3064 and the installing block 3065 is adjusted, so that the output shaft of the motor I301 and the rotating shaft 307 are on the same straight line, the contact point of the output shaft and the rotating shaft 307 is limited and supported, and the jumping of the rotating shaft 307 in the transmission process is reduced.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.