CN112875558A

CN112875558A - Electric hoist with good heat dispersion

Info

Publication number: CN112875558A
Application number: CN202110048014.0A
Authority: CN
Inventors: 王沛源; 于广超; 郭昕航; 李治军; 孙程
Original assignee: Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center)
Current assignee: Tianjin Institute Of Special Equipment Supervision And Inspection Technology (tianjin Special Equipment Accident Emergency Investigation And Treatment Center)
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-06-01

Abstract

The invention discloses an electric hoist with good heat dissipation performance, relates to the technical field of electric hoists, and mainly solves the problem that abrasion among steel ropes is aggravated due to accelerated separation of lubricating oil caused by a large amount of heat generated by friction in the using process of the existing electric hoist; the device includes the back timber, the back timber is the setting of I shape, the inboard bottom of back timber is provided with the guide rail, be provided with in the guide rail and remove the wheel, it links to each other with the walking motor to remove the wheel, remove the wheel symmetry and set up the both sides at the back timber, the left side remove the first gear motor of wheel and link to each other, the right side remove the wheel and link to each other with the walking motor, the end of removing the wheel is provided with the gag lever post, rotate on the gag lever post and install first cooperation wheel, roll the installation between first cooperation wheel and the back timber, the bottom of first gear motor and walking motor is provided with the link, the link links to each other with the mount, the mount is connected with the installation shell.

Description

Electric hoist with good heat dispersion

Technical Field

The invention relates to the technical field of electric hoists, in particular to an electric hoist with good heat dissipation performance.

Background

The electric hoist is a special hoisting device, is installed on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is used in places such as industrial and mining enterprises, storage, docks and the like. The electric hoist has compact structure, the electric hoist with the motor axis vertical to the axis of the winding drum adopts a worm gear transmission device, and the electric hoist has the following defects: the length dimension is big, and the size is big in the aspect of the width, and the structure is bulky, and mechanical efficiency is low, and it is difficult etc.. The hydraulic system is dual control, and the overflow regulating valve and the magnetic contact pressure gauge can accurately control the pressure. The electric appliance control department adopts low voltage control, and the safety of the governing system is increased.

Present electric block is at the in-process that goes up and down because the high-speed rotation of reel for the friction between the steel cable is comparatively serious, thereby makes to produce a large amount of friction heat between reel and the steel cable, and these heats can make reel and the steel cable on the reel rise in temperature, lead to the lubricating oil on the steel cable to separate with higher speed, and then lead to the wearing and tearing of steel cable to accelerate, influence the life of steel cable and electric block's safe handling.

Disclosure of Invention

An embodiment of the present invention is directed to provide an electric hoist with good heat dissipation performance, so as to solve the problems in the background art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

an electric hoist with good heat dissipation performance comprises a top beam, wherein the top beam is arranged in an I shape, a guide rail is arranged at the bottom of the inner side of the top beam, a moving wheel is arranged in the guide rail and is connected with a traveling motor, the moving wheel is symmetrically arranged on two sides of the top beam, a first speed reducing motor of the moving wheel is connected with the left side of the top beam, a moving wheel is connected with the traveling motor on the right side of the top beam, a limiting rod is arranged at the tail end of the moving wheel, a first matching wheel is rotatably arranged on the limiting rod, the first matching wheel and the top beam are rotatably arranged, a connecting frame is arranged at the bottom of the first speed reducing motor and the bottom of the traveling motor and is connected with a fixing frame, the fixing frame is connected with an installation shell, a winding drum is arranged in the installation shell, a second speed reducing motor and a winding motor are respectively arranged on two sides of the, the end-to-end connection of steel cable has the lifting hook, the bottom is provided with the micropump in the installation shell, the micropump links to each other with the pipe, the installation shell top is provided with lubricating-oil tank, the micropump passes through the pipe and links to each other with lubricating-oil tank, the top of installation shell is installed and is discharged the horizontal pole, the downside of discharging the horizontal pole evenly is provided with the discharge hole.

As a further scheme of the embodiment of the invention: steel ropes are symmetrically wound on the winding drum, the steel ropes are wound from two ends of the winding drum to the center, a hanging ring is arranged at the top of the hanging hook, and the steel ropes penetrate through the hanging ring to be connected with the hanging hook.

As a further scheme of the embodiment of the invention: the lifting hook is provided with an installation block, the installation block is internally hollow, the top of the lifting hook is provided with a rotary block, a threaded rod is transversely arranged on the installation block, the tail end of the threaded rod is provided with a pre-tightening block, the threaded rod is in threaded connection with the installation block, and the pre-tightening block and the rotary block are in contact installation.

As a further scheme of the embodiment of the invention: the upper sides of the first speed reducing motor and the walking motor are provided with first connecting rods, the first connecting rods are provided with second matching wheels, and the second matching wheels and the top beam are installed in a rolling mode.

As a further scheme of the embodiment of the invention: the side of guide rail is provided with the cooperation groove, be provided with the third cooperation wheel in the cooperation groove, rotate the installation between third cooperation wheel and the link.

As a further scheme of the embodiment of the invention: rain-proof covers are symmetrically arranged on two sides of the top beam.

As a further scheme of the embodiment of the invention: and the second speed reducing motor and the outer side of the winding motor are provided with protective covers.

Compared with the prior art, the embodiment of the invention has the beneficial effects that:

the fixed frame and the mounting shell are driven to longitudinally move on the top beam through the traveling motor and the moving wheel, so that the hoisting operation is moved; the micro pump is arranged in the mounting shell, and lubricating oil is continuously discharged onto the winding drum by combining the lubricating oil tank and the discharge cross rod, so that the temperature of the steel rope is reduced while the steel rope is lubricated, and the accelerated loss of the lubricating oil caused by the continuous friction and temperature rise between the steel rope and the winding drum is avoided, thereby avoiding the aggravation of the abrasion of the steel rope and ensuring the service life of the steel rope; the lifting hook is connected by symmetrically winding the steel ropes on the winding drum and combining the symmetrically arranged steel ropes, so that the problem of rotation of the steel ropes when the lifting hook is used for hoisting operation is effectively solved; the stability of the fixing frame is effectively improved by arranging the first matching wheel, the second matching wheel and the third matching wheel, so that the connection stability of the mounting shell is ensured; the pre-tightening block and the threaded rod are arranged in the mounting block and are matched with the rotary block to mount the lifting hook, so that the cargo lifting angle can be conveniently adjusted; effectively promote electric block's life and use convenience through above-mentioned structure.

Drawings

Fig. 1 is a schematic structural diagram of an electric hoist with good heat dissipation performance.

Fig. 2 is a schematic connection diagram of a first engaging wheel in an electric hoist with good heat dissipation performance.

Fig. 3 is a schematic structural view of a discharge rail in an electric hoist having good heat dissipation performance.

Fig. 4 is a schematic structural view of a winding drum in an electric hoist with good heat dissipation performance.

In the figure: 1 back timber, 2 removal wheels, 3 walking motors, 4 gag lever posts, 5 first cooperation wheels, 6 guide rails, 7 second cooperation wheels, 8 head rods, 9 first gear motor, 10 brackets, 11 link, 12 third cooperation wheels, 13 rain-proof cover, 14 mount, 15 installation shell, 16 protection casings, 17 second gear motor, 18 around the coil motor, 19 around the reel, 20 micropumps, 21 lubricating-oil tank, 22 discharge horizontal pole, 23 discharge hole, 24 installation piece, 25 lifting hooks, 26 gyration piece, 27 pretension piece, 28 threaded rod.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1:

as shown in fig. 1-4, an electric hoist with good heat dissipation performance includes a top beam 1, the top beam 1 is disposed in an i-shape, a guide rail 6 is disposed at the bottom of the inner side of the top beam 1, a moving wheel 2 is disposed in the guide rail 6, the moving wheel 2 is connected to a traveling motor 3, the moving wheel 2 is symmetrically disposed at two sides of the top beam 1, the moving wheel 2 is connected to a first decelerating motor 9 at the left side, the moving wheel 2 is connected to the traveling motor 3 at the right side, a limit rod 4 is disposed at the end of the moving wheel 2, a first engaging wheel 5 is rotatably mounted on the limit rod 4, the first engaging wheel 5 is rotatably mounted on the top beam 1, a connecting frame 11 is disposed at the bottom of the first decelerating motor 9 and the traveling motor 3, the connecting frame 11 is connected to a fixing frame 14, the fixing frame 14 is connected to a mounting housing 15, a winding drum 19 is disposed in the mounting, second gear motor 17 and around roll motor 18 are installed respectively to the both sides around reel 19, it has the steel cable to evenly wind around rolling up on reel 19, the end-to-end connection of steel cable has lifting hook 25, the bottom is provided with micropump 20 in the installation shell 15, micropump 20 links to each other with the pipe, installation shell 15 top is provided with lubricating-oil tank 21, micropump 20 passes through the pipe and links to each other with lubricating-oil tank 21, emission horizontal pole 22 is installed at the top of installation shell 15, the downside of emission horizontal pole 22 evenly is provided with discharge hole 23.

Specifically, install removal wheel 2 through setting up first cooperation wheel 5, promote walking motor 3 and first gear motor 9's installation stability, connect installation shell 15 through link 11 and mount 14 to effectively promote the installation stability to installation shell 15.

More specifically, in order to avoid the problem that the steel rope generates a large amount of heat due to friction in the winding process, the loss of lubricating oil is accelerated, and the steel rope is abraded, the micro pump 20 is arranged at the bottom of the mounting shell 15, and the lubricating oil tank 21 and the discharge cross rod 22 are combined to lubricate the winding drum 19 and the steel rope, so that the service life of the steel rope and the safe operation of the electric hoist are effectively guaranteed.

Furthermore, steel ropes are symmetrically wound on the winding drum 19 and are wound from two ends of the winding drum 19 to the center, a hanging ring is arranged at the top of the hanging hook 25, and the steel ropes penetrate through the hanging ring and are connected with the hanging hook 25.

Specifically, the winding drum 19 symmetrically winds the steel rope, so that the problem of rotation of the steel rope in the process of hoisting goods is effectively solved.

Further, the lifting hook 25 is provided with an installation block 24, the installation block 24 is hollow, the top of the lifting hook 25 is provided with a rotary block 26, the installation block 24 is transversely provided with a threaded rod 28, the tail end of the threaded rod 28 is provided with a pre-tightening block 27, the threaded rod 28 is in threaded connection with the installation block 24, and the pre-tightening block 27 is in contact installation with the rotary block 26.

Specifically, through the setting of gyration piece 26 and tight piece 27, threaded rod 28 in advance, be convenient for adjust the angle of lifting hook 25 to be convenient for carry out the hoist and mount operation according to the angle of putting of goods, avoid the in-process of hoist and mount to take place to rotate.

Further, rain covers 13 are symmetrically arranged on two sides of the top beam 1.

Further, a protective cover 16 is disposed outside the second reduction motor 17 and the winding motor 18.

Example 2:

this embodiment is a further improvement and a limitation of embodiment 1 on the basis of embodiment 1.

An electric hoist with good heat dissipation performance, comprising all the components of embodiment 1, further comprising:

further, the upper sides of the first speed reducing motor 9 and the traveling motor 3 are provided with a first connecting rod 8, the first connecting rod 8 is provided with a second matching wheel 7, and the second matching wheel 7 and the top beam 1 are installed in a rolling mode.

Further, a matching groove is formed in the side edge of the guide rail 6, a third matching wheel 12 is arranged in the matching groove, and the third matching wheel 12 and the connecting frame 11 are rotatably mounted.

Specifically, the installation stability of the first reduction motor 9 and the traveling motor 3 is further improved by arranging the second matching wheel 7 and the third matching wheel 12, so that the connection stability of the installation shell 15 is improved.

The working principle of the embodiment of the invention is as follows:

as shown in fig. 1-4, the fixed frame 14 and the mounting shell 15 are driven by the walking motor 3 and the moving wheel 2 to move longitudinally on the top beam 1, so as to move the hoisting operation; the micro pump 20 is arranged in the mounting shell 15, and lubricating oil is continuously discharged onto the winding drum 19 by combining the lubricating oil tank 21 and the discharge cross rod 22, so that the temperature of the steel rope is reduced while the steel rope is lubricated, the accelerated loss of the lubricating oil caused by continuous friction and temperature rise between the steel rope and the winding drum 19 is avoided, the aggravated steel rope abrasion is avoided, and the service life of the steel rope is ensured; the lifting hook 25 is connected by symmetrically winding steel ropes on the winding drum 19 and combining the symmetrically arranged steel ropes, so that the problem that the steel ropes rotate when the lifting hook 25 is used for lifting operation is effectively solved; the stability of the fixing frame 14 is effectively improved by arranging the first matching wheel 5, the second matching wheel 7 and the third matching wheel 12, so that the connection stability of the mounting shell 15 is ensured; the lifting hook 25 is installed by arranging the pre-tightening block 27 and the threaded rod 28 in the installation block 24 and matching with the rotary block 26, so that the cargo lifting angle can be conveniently adjusted; effectively promote electric block's life and use convenience through above-mentioned structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included 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.

Claims

1. An electric hoist with good heat dissipation performance comprises a top beam (1), wherein the top beam (1) is arranged in an I shape, a guide rail (6) is arranged at the bottom of the inner side of the top beam (1), a moving wheel (2) is arranged in the guide rail (6), the moving wheel (2) is connected with a traveling motor (3), the electric hoist is characterized in that the moving wheel (2) is symmetrically arranged at two sides of the top beam (1), the left side of the moving wheel (2) is connected with a first speed reducing motor (9), the right side of the moving wheel (2) is connected with the traveling motor (3), a limiting rod (4) is arranged at the tail end of the moving wheel (2), a first matching wheel (5) is rotatably arranged on the limiting rod (4), the first matching wheel (5) and the top beam (1) are installed in a rolling manner, and connecting frames (11) are arranged at the bottoms of the first speed reducing motor (9) and the traveling motor (3), link (11) link to each other with mount (14), mount (14) are connected with installing shell (15), be provided with in installing shell (15) around reel (19), install second gear motor (17) and around reel motor (18) respectively around the both sides of reel (19), it has the steel cable to evenly wind around on reel (19), the end-to-end connection of steel cable has lifting hook (25), the bottom is provided with micropump (20) in installing shell (15), micropump (20) link to each other with the pipe, installing shell (15) top is provided with lubricating-oil tank (21), micropump (20) link to each other with lubricating-oil tank (21) through the pipe, discharge horizontal pole (22) are installed at the top of installing shell (15), the downside that discharges horizontal pole (22) evenly is provided with discharge hole (23).

2. An electric hoist with good heat dissipation performance as claimed in claim 1, characterized in that the winding drum (19) is symmetrically wound with steel cables, the steel cables are wound from both ends of the winding drum (19) to the center, the top of the hook (25) is provided with a hanging ring, and the steel cables are connected with the hook (25) through the hanging ring.

3. The electric hoist with good heat dissipation performance as claimed in claim 2, characterized in that the hook (25) is provided with a mounting block (24), the mounting block (24) is hollow, the top of the hook (25) is provided with a rotation block (26), the mounting block (24) is transversely provided with a threaded rod (28), the end of the threaded rod (28) is provided with a pre-tightening block (27), the threaded rod (28) is in threaded connection with the mounting block (24), and the pre-tightening block (27) is in contact with the rotation block (26).

4. An electric block with good heat dissipation performance as claimed in claim 3, characterized in that the first speed reduction motor (9) and the traveling motor (3) are provided with a first connecting rod (8) at the upper side, the first connecting rod (8) is provided with a second engaging wheel (7), and the second engaging wheel (7) is installed with the top beam (1) in a rolling manner.

5. An electric block with good heat dissipation performance as claimed in claim 1, characterized in that the side of the guide rail (6) is provided with a matching groove, a third matching wheel (12) is arranged in the matching groove, and the third matching wheel (12) is rotatably mounted with the connecting frame (11).

6. The electric hoist with good heat dissipation performance as claimed in claim 1, wherein rain shields (13) are symmetrically installed on both sides of the top beam (1).

7. An electric block with good heat dissipation performance as claimed in claim 1, characterized in that the second reduction motor (17) and the winding motor (18) are provided with a protective cover (16) on the outside.