CN213802678U

CN213802678U - Anti-swing device of electric hoist steel wire rope

Info

Publication number: CN213802678U
Application number: CN202022847570.8U
Authority: CN
Inventors: 陈金辉
Original assignee: Zhejiang Tonnemax Hoist & Crane Machinery Co ltd
Current assignee: Zhejiang Tonnemax Hoist & Crane Machinery Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-27
Anticipated expiration: 2030-12-02

Abstract

The utility model provides an electric block wire rope's anti-swing device belongs to hoisting equipment technical field. It has solved the problem that current steel wire rope rocked easily when tightening up or stretching out on electric block. This anti-swing device of electric block wire rope, the one end including electric block main part has set firmly the motor, be provided with the pivot in the electric block main part, the main shaft axial of pivot and motor links firmly the winding in the pivot and is provided with the steel wire rope, the guide bar that has horizontal parallel arrangement in the electric block main part that is located the pivot below, be equipped with the guide block on the guide bar, the one end and the pivot of steel wire rope link firmly, the other end of steel wire rope passes the guide block and the electric block main part links firmly, it is equipped with the couple to go back the slip cap on the steel wire rope. The utility model has the advantages of reasonable design, simply, the couple is stable in the ascending and descending of steel wire rope, and steel wire rope is difficult for appearing rocking the phenomenon.

Description

Anti-swing device of electric hoist steel wire rope

Technical Field

The utility model belongs to the technical field of hoisting equipment, a electric block wire rope's anti-swing device is related to.

Background

The electric hoist is a special hoisting device, is arranged 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 widely applied to places such as industrial and mining enterprises, storage docks and the like. The electric hoist generally comprises a motor, a transmission mechanism, a brake or a reduction gearbox, a winding drum or a chain wheel, a steel wire rope, a hook device and the like.

For example, chinese patent literature discloses a rotating mechanism for an electric hoist [ application No.: 201120326076.5, respectively; authorization notice number: CN202272677U ], which comprises a knuckle bearing, the knuckle bearing comprises an inner lining ring with an outer spherical surface and an outer lining ring with an inner spherical surface, a transverse connecting shaft penetrates through the inner lining ring, the transverse connecting shafts on both sides of the inner lining ring are respectively provided with a lower connecting section for connecting with a corresponding lifting device connecting plate, the outer lining ring is directly or indirectly connected with a corresponding electric hoist supporting shaft, and the transverse connecting shaft is directly or indirectly connected with a lifting device.

In foretell structure, do not set up guide structure on this electric block's the steel wire rope, this steel wire rope rocks easily when tightening up or stretching out on electric block, and the couple of cover on the steel wire rope has the potential safety hazard when playing, and structural stability is poor, uses inconveniently.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, stable in structure, the difficult phenomenon that rocks, long service life's electric block wire rope's anti-swing device that appears of steel wire rope.

The purpose of the utility model can be realized by the following technical proposal: an anti-swing device of an electric hoist steel wire rope comprises an electric hoist body which is horizontally arranged, wherein a motor is fixedly arranged at one end of the electric hoist body, a rotating shaft is arranged in the electric hoist body, the rotating shaft is axially and fixedly connected with a main shaft of the motor, and a steel wire rope is wound on the rotating shaft, and is characterized in that a guide rod which is horizontally arranged in parallel is arranged on the electric hoist body below the rotating shaft, a guide block is arranged on the guide rod, the guide block can reciprocate on the guide rod along the length direction of the guide rod, one end of the steel wire rope is fixedly connected with the rotating shaft, the other end of the steel wire rope penetrates through the guide block to be fixedly connected with the electric hoist body, a hook is further sleeved on the steel wire rope in a sliding manner, and when the rotating shaft rotates clockwise, the steel wire rope is wound on the rotating shaft through the guide block in a guiding manner, so that the hook rises; when the rotating shaft rotates anticlockwise, the steel wire rope is separated from the rotating shaft through the displacement guide of the guide block, so that the hook descends.

This electric block wire rope's anti-swing device mainly sets up the guide block in the electric block main part, and this steel wire rope's the other end passes the guide block and links firmly with the electric block main part, and this steel wire rope is by guide block direction displacement, and stable in structure is difficult for appearing rocking phenomenon, and the safety in utilization is high, convenient to use.

In foretell electric block wire rope's anti-swing device, the guide bar be the lead screw, this guide block is the internal thread cover, this guide block and guide bar screw-thread fit, the both ends activity of guide bar set up in the electric block main part, guide bar and pivot between be provided with transmission structure. The guide block is arranged to reciprocate on the guide rod and is driven by the guide rod to rotate, and the guide rod is linked by the rotating shaft through a transmission structure.

In the anti-swing device for the steel wire rope of the electric hoist, the transmission structure comprises a first transmission gear ring and a second transmission gear ring, the first transmission gear ring is fixedly sleeved on the rotating shaft, the second transmission gear ring is fixedly sleeved on the guide rod, and the first transmission gear ring and the second transmission gear ring are meshed for transmission. The purpose of setting like this is to make the guide bar drive through the meshing transmission of transmission ring gear one, transmission ring gear two by the pivot, and stable in structure.

In foretell electric block wire rope's anti-swing device, the both ends of electric block main part have lower extension board one, lower extension board two that downwardly extending set up, the one end of guide bar pass through the bearing and rotate to connect under in extension board one, the other end of guide bar pass through the guide pin bushing and rotate to connect under in extension board two. The purpose that sets up like this makes things convenient for the guide bar to rotate the erection joint, convenient assembling on electric block main part.

In foretell anti-swing device of electric block wire rope, the guide block include the cubic main part of rectangle, the cubic main part of rectangle on have an internal thread hole, the cubic main part of rectangle pass through internal thread hole and guide bar screw-thread fit, the cubic main part of rectangle on can dismantle and link firmly the rectangle stopper, the rectangle stopper on have the bar perforating hole of vertical setting, the other end of steel wire rope pass the bar perforating hole of rectangle stopper and the electric block main part links firmly, cubic main part of rectangle and rectangle stopper between be provided with the limit structure that is used for the cubic main part of rectangle and the relative spacing of rectangle stopper to adjust. The purpose that sets up like this makes things convenient for cubic main part of rectangle and guide bar screw-thread fit, makes things convenient for the steel wire rope to pass at the bar perforating hole of rectangle stopper, assembles convenient to use.

In the anti-swing device for the electric hoist steel wire rope, the side wall of the rectangular block-shaped main body is provided with the insertion sleeve, the inner wall of the insertion sleeve is provided with the key groove, the opposite side wall of the rectangular limiting block is provided with the insertion column, the outer wall of the insertion column is provided with the key strip, and the key strip of the insertion column is assembled in the key groove of the corresponding insertion sleeve. The purpose of setting up like this is the removable assembly who makes things convenient for rectangular block-shaped main part, rectangle stopper.

In the anti-swing device for the steel wire rope of the electric hoist, the limiting structure comprises a plurality of fasteners which are distributed on the inserting sleeve at intervals in the circumferential direction, each fastener is spirally penetrated through the inserting sleeve, and when the fasteners are spirally fastened on the inserting sleeve and extend into the inserting sleeve to be radially abutted against the inserting column, the inserting column and the inserting sleeve are relatively fixed. The purpose that sets up like this is when the cubic main part of rectangle, after the relative distance has been adjusted to the rectangle stopper, makes things convenient for cubic main part of rectangle, the spacing fixed of rectangle stopper, and is fixed convenient.

Compared with the prior art, this electric block wire rope's anti-swing device's advantage does: structural design is reasonable, simple, and the couple is stable in the ascending and descending of steel wire rope, and the steel wire rope is difficult for appearing rocking the phenomenon, stable in structure, long service life increases constructor's security in the work progress, convenient to use.

Drawings

Fig. 1 is a schematic sectional view of the swing preventing device for a wire rope of an electric hoist.

Fig. 2 is a schematic sectional structure view of a guide block in the anti-swing device for the steel wire rope of the electric hoist.

In the figure, 1, an electric hoist main body; 2. a motor; 3. a rotating shaft; 4. a steel wire rope; 5. a guide bar; 6. hooking; 7. a first transmission gear ring; 8. a second transmission gear ring; 9. a first lower extension plate; 10. a second lower extension plate; 11. a bearing; 12. a guide sleeve; 13. a rectangular block-shaped main body; 14. a rectangular limiting block; 15. a strip-shaped through hole; 16. a plug bush; 17. inserting the column; 18. a fastener.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the anti-swing device of the electric hoist steel wire rope mainly comprises an electric hoist body 1 which is horizontally arranged, a motor 2 is fixedly arranged at one end of the electric hoist body 1, a rotating shaft 3 is arranged in the electric hoist body 1, the rotating shaft 3 is axially fixedly connected with a main shaft of the motor 2, a steel wire rope 4 is wound on the rotating shaft 3, a guide rod 5 which is horizontally and parallelly arranged is arranged on the electric hoist body 1 which is positioned below the rotating shaft 3, a guide block is arranged on the guide rod 5 and can reciprocate along the length direction of the guide rod 5 on the guide rod 5, one end of the steel wire rope 4 is fixedly connected with the rotating shaft 3, the other end of the steel wire rope 4 passes through the guide block and is fixedly connected with the electric hoist body 1, a hook 6 is further slidably sleeved on the steel wire rope 4, when the rotating shaft 3 rotates clockwise, the steel wire rope 4 is wound on the rotating shaft 3 through the guide block in a guiding manner, causing the hook 6 to rise; when the rotating shaft 3 rotates anticlockwise, the steel wire rope 4 is separated from the rotating shaft 3 through the displacement guide of the guide block, so that the hook 6 descends; in practical application, this guide bar 5 is the lead screw, and this guide block is the internal thread cover, and this guide block and 5 screw-thread fit of guide bar, the both ends activity of guide bar 5 set up on electric block main part 1, are provided with transmission structure between guide bar 5 and the pivot 3.

In actual manufacturing, the specific implementation mode of the transmission structure is as follows: the transmission device mainly comprises a first transmission gear ring 7 and a second transmission gear ring 8, wherein the first transmission gear ring 7 is fixedly sleeved on the rotating shaft 3, the second transmission gear ring 8 is fixedly sleeved on the guide rod 5, and the first transmission gear ring 7 and the second transmission gear ring 8 are in meshing transmission.

During actual manufacturing, the concrete implementation structure of the movable connection between the guide rod 5 and the electric hoist main body 1 is as follows: the two ends of the electric hoist main body 1 are provided with a first lower extension plate 9 and a second lower extension plate 10 which extend downwards, one end of the guide rod 5 is rotatably connected to the first lower extension plate 9 through a bearing 11, and the other end of the guide rod 5 is rotatably connected to the second lower extension plate 10 through a guide sleeve 12.

During actual manufacturing, the guide block mainly comprises a rectangular block-shaped main body 13, an internal thread hole is formed in the rectangular block-shaped main body 13, the rectangular block-shaped main body 13 is in threaded fit with the guide rod 5 through the internal thread hole, a rectangular limiting block 14 is detachably and fixedly connected to the rectangular block-shaped main body 13, a vertically arranged strip-shaped through hole 15 is formed in the rectangular limiting block 14, and the other end of the steel wire rope 4 penetrates through the strip-shaped through hole 15 of the rectangular limiting block 14 to be fixedly connected with the electric hoist main body 1; specifically, the method comprises the following steps: the side wall of the rectangular block-shaped main body 13 is provided with an inserting sleeve 16, the inner wall of the inserting sleeve 16 is provided with a key groove, the opposite side wall of the rectangular limit block 14 is provided with an inserting column 17, the outer wall of the inserting column 17 is provided with a key strip, and the key strip of the inserting column 17 is assembled in the key groove of the corresponding inserting sleeve 16 to enable the rectangular block-shaped main body 13 and the rectangular limit block 14 to be detachably and fixedly connected.

In actual manufacturing, a limiting structure for adjusting the relative distance between the rectangular block-shaped main body 13 and the rectangular limit block 14 is arranged between the rectangular block-shaped main body 13 and the rectangular limit block 14; the specific implementation mode of the limiting structure is as follows: a plurality of fasteners 18 are circumferentially distributed on the plug bush 16 at intervals, each fastener 18 spirally penetrates through the plug bush 16, and when the fastener 18 is spirally fastened on the plug bush 16 and extends into the plug bush 16 to radially abut against the plug column 17, the plug column 17 and the plug bush 16 are relatively fixed.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An anti-swing device of an electric hoist steel wire rope comprises an electric hoist main body (1) which is horizontally arranged, wherein a motor (2) is fixedly arranged at one end of the electric hoist main body (1), a rotating shaft (3) is arranged in the electric hoist main body (1), the rotating shaft (3) is fixedly connected with a main shaft of the motor (2) in the axial direction, and a steel wire rope (4) is wound on the rotating shaft (3), and is characterized in that a guide rod (5) which is horizontally and parallelly arranged is arranged on the electric hoist main body (1) which is positioned below the rotating shaft (3), a guide block is arranged on the guide rod (5), the guide block can reciprocate on the guide rod (5) along the length direction of the guide rod (5), one end of the steel wire rope (4) is fixedly connected with the rotating shaft (3), and the other end of the steel wire rope (4) penetrates through the guide block to be fixedly connected with the electric hoist main body (1), the steel wire rope (4) is also sleeved with a hook (6) in a sliding manner, and when the rotating shaft (3) rotates clockwise, the steel wire rope (4) is wound and tightened on the rotating shaft (3) through the displacement guide of the guide block, so that the hook (6) rises; when the rotating shaft (3) rotates anticlockwise, the steel wire rope (4) is separated from the rotating shaft (3) through the displacement guide of the guide block, so that the hook (6) descends.

2. The anti-swing device of the electric hoist steel wire rope according to claim 1, characterized in that the guide rod (5) is a lead screw, the guide block is an internal thread sleeve, the guide block is in thread fit with the guide rod (5), two ends of the guide rod (5) are movably arranged on the electric hoist main body (1), and a transmission structure is arranged between the guide rod (5) and the rotating shaft (3).

3. The anti-swing device of the electric hoist steel wire rope according to claim 2, wherein the transmission structure comprises a first transmission gear ring (7) and a second transmission gear ring (8), the first transmission gear ring (7) is fixedly sleeved on the rotating shaft (3), the second transmission gear ring (8) is fixedly sleeved on the guide rod (5), and the first transmission gear ring (7) and the second transmission gear ring (8) are in meshing transmission.

4. The anti-swing device for the steel wire rope of the electric hoist according to claim 3, wherein the electric hoist main body (1) is provided with a first lower extension plate (9) and a second lower extension plate (10) which extend downwards at two ends, one end of the guide rod (5) is rotatably connected to the first lower extension plate (9) through a bearing (11), and the other end of the guide rod (5) is rotatably connected to the second lower extension plate (10) through a guide sleeve (12).

5. The anti-swing device of the electric hoist steel wire rope according to claim 4, the guide block comprises a rectangular block-shaped main body (13), the rectangular block-shaped main body (13) is provided with an internal thread hole, the rectangular block-shaped main body (13) is in threaded fit with the guide rod (5) through an internal thread hole, a rectangular limiting block (14) is detachably and fixedly connected on the rectangular block-shaped main body (13), the rectangular limiting block (14) is provided with a vertically arranged strip-shaped through hole (15), the other end of the steel wire rope (4) passes through the strip-shaped through hole (15) of the rectangular limiting block (14) and is fixedly connected with the electric hoist main body (1), a limiting structure for adjusting the relative distance between the rectangular block main body (13) and the rectangular limiting block (14) is arranged between the rectangular block main body (13) and the rectangular limiting block (14).

6. The anti-swing device of the electric hoist steel wire rope according to claim 5, wherein the rectangular block-shaped body (13) is provided with a plug bush (16) on the side wall, the plug bush (16) is provided with a key groove on the inner wall, the rectangular stop block (14) is provided with a plug column (17) on the opposite side wall, the plug column (17) is provided with a key strip on the outer wall, and the key strip of the plug column (17) is fitted in the key groove of the corresponding plug bush (16).

7. The swing preventing device for the steel wire rope of the electric hoist according to claim 6, wherein the limiting structure comprises a plurality of fasteners (18) which are circumferentially distributed on the inserting sleeve (16) at intervals, each fastener (18) is spirally penetrated through the inserting sleeve (16), and when the fasteners (18) are spirally fastened on the inserting sleeve (16) and extend into the inserting sleeve (16) to be radially abutted against the inserting column (17), the inserting column (17) and the inserting sleeve (16) are relatively fixed.