CN113929003B

CN113929003B - Single-rope winding type lifting device

Info

Publication number: CN113929003B
Application number: CN202111335453.6A
Authority: CN
Inventors: 苏春生; 乔树勋; 吕春雷; 赵何明; 郑彬; 刘海波; 王松涛; 何十美
Original assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Current assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd; Fifth Engineering Co Ltd of China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2023-03-31
Anticipated expiration: 2041-11-11
Also published as: CN113929003A

Abstract

The invention discloses a single-rope winding type lifting device which comprises a supporting plate, a winding wheel, a driving motor, a connecting shaft, a first mounting plate, a displacement motor, a guide mechanism, a sliding block and a threaded rod, wherein the supporting plate is fixedly connected with the winding wheel; two groups of supporting plates are respectively arranged at two ends of the reel; two ends of the connecting shaft penetrate through the two groups of supporting plates, the middle part of the connecting shaft penetrates through the reel, and one end of the connecting shaft is connected with an output shaft of the driving motor; two ends of the first mounting plate and the second mounting plate are respectively connected with the two groups of supporting plates; the first mounting plate is provided with a strip-shaped through hole; two sides of the group of guide mechanisms are respectively connected with the inner wall of the strip-shaped through hole in a sliding manner through a sliding block; one end of the threaded rod is connected with the displacement motor, the other end of the threaded rod penetrates through the supporting plates to stretch into the strip-shaped through hole and penetrate through the sliding block, and the threaded rod is in threaded connection with the sliding block. The invention can conveniently guide the steel wire rope to be uniformly wound on the winding wheel, and can avoid the shaking of the steel wire rope caused by the up-and-down motion.

Description

Single-rope winding type lifting device

Technical Field

The invention relates to the technical field of elevators, in particular to a single-rope winding type lifting device.

Background

The hoister is large mechanical equipment for transportation by changing potential energy, such as a mine hoist, a dam-crossing hoist and the like. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists. The hoister generally refers to large mechanical equipment with high power and high hoisting capacity. The flexible steel wire rope and the transported goods are dragged to move up and down by the power machine to finish the transportation process, the steel wire rope is an indispensable important part of the hoisting machine, and the main varieties comprise a phosphatized coating steel wire rope, a galvanized steel wire rope, a stainless steel wire rope, a smooth steel wire rope and the like; the existing lifting device can not guide the steel wire rope to be uniformly wound on the winding wheel in the using process, and the steel wire rope is easy to shake in the winding process and causes the shaking of an object lifted below in the lifting process.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a single-rope winding type lifting device which can uniformly wind a steel wire rope and ensure the stability of the steel wire rope in the lifting process.

In order to achieve the purpose, the invention is realized by the following technical scheme: a single-rope winding type lifting device comprises a supporting plate, a winding wheel, a driving motor, a connecting shaft, a first mounting plate, a second mounting plate, a displacement motor, a guide mechanism, a sliding block and a threaded rod;

the two groups of supporting plates are respectively arranged at two ends of the reel; two ends of the connecting shaft penetrate through the two groups of supporting plates, the middle of the connecting shaft penetrates through the reel, and one end of the connecting shaft is connected with an output shaft of the driving motor; the first mounting plate and the second mounting plate are respectively mounted right below the reel, and two ends of the first mounting plate and the second mounting plate are respectively connected with the two groups of supporting plates; a strip-shaped through hole is formed in the first mounting plate; the inner walls of two sides of the strip-shaped through holes, which face each other, are provided with sliding grooves; two sides of the group of guide mechanisms are respectively connected with the inner wall of the strip-shaped through hole in a sliding manner through a sliding block; one end of the threaded rod is connected with the displacement motor, the other end of the threaded rod penetrates through the group of supporting plates, extends into the strip-shaped through hole and penetrates through the sliding block, the threaded rod is in threaded connection with the sliding block, and the threaded rod is respectively in rotating connection with the supporting plates and the first mounting plate;

the second mounting plate is positioned right below the first mounting plate, and mounting through holes are formed in the second mounting plate; the other group of guide mechanisms are arranged inside the installation through hole.

In order to better realize the invention, further, the guide mechanism comprises an installation frame body and two groups of guide wheels;

the outer peripheral surfaces of the two groups of guide wheels are provided with grooves, the two groups of guide wheels are arranged and rotatably installed in the installation frame body, and a space for the steel wire rope to pass through is formed between the two groups of guide wheels.

In order to better realize the invention, the invention further comprises a ratchet wheel, a slide rod, a spring, a pawl, a limiting disc and a connecting plate;

the ratchet wheel is arranged at one end of the connecting shaft, which is far away from the driving motor; one side end face of the connecting plate is connected with the side end face of the supporting plate below the ratchet wheel; the lower end of the sliding rod is connected with the limiting disc, the upper end of the sliding rod penetrates through the connecting plate and is connected with the pawl, and the sliding rod is connected with the connecting plate in a sliding mode; the pawl is meshed with the ratchet wheel; the spring is sleeved on the sliding rod, and two ends of the spring are respectively connected with the connecting plate and the limiting disc.

In order to better realize the invention, a pulling handle is further arranged on the lower end face of the limiting disc.

In order to better realize the invention, furthermore, a sound-proof cover is arranged on the outer side of the ratchet wheel; the lower end of the sound-proof shield is provided with an opening for the sliding of the sliding rod, and the sound-proof shield is connected with the side end face of the supporting plate.

In order to better realize the invention, further, travel switches are respectively arranged on the inner walls of the strip-shaped through holes facing to the two groups of supporting plates; the travel switch is electrically connected with the displacement motor.

In order to better implement the invention, further, the reel is provided with a hook.

In order to better realize the invention, the lower end surfaces of the two groups of support plates are provided with rollers.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) The invention can conveniently and uniformly wind the steel wire rope on the whole winding post of the winding wheel, and can prevent the steel wire rope from being completely accumulated at a certain position on the winding wheel;

(2) The invention can avoid the left and right swing of the steel wire rope in the winding process, and can ensure that the lifted object moves upwards more stably in the lifting process;

(3) The invention can make the position of the steel wire rope more stable and can make the steel wire rope subjected to friction;

(4) The invention can conveniently lock the rotation of the wire winding wheel through the matching of the ratchet wheel and the pawl, so that the equipment is safer in the use process; the pawl can be conveniently driven to move up and down through the slide rod, and the pawl can be conveniently driven to move down when the reel needs to rotate reversely; the spring can enable the pawl to be always meshed with the ratchet wheel in the initial state; the sound-proof housing can reduce the sound that ratchet and pawl sent when the cooperation, can reduce the equipment noise, and its simple structure solves wire rope winding inequality on the reel, and wire rope up-and-down motion makes the difficult technical problem of shake, suitable extensive popularization and application.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic isometric view of the southeast region of the present invention; (ii) a

FIG. 3 is a schematic perspective view of a guide structure according to the present invention;

fig. 4 is an enlarged view of a part of the structure at a in the present invention.

Wherein: the device comprises a support plate 1, a winding wheel 2, a driving motor 3, a connecting shaft 4, a first mounting plate 5, a second mounting plate 6, a strip-shaped through hole 7, a displacement motor 8, a guide mechanism 9, a sliding block 10, a threaded rod 11, a sliding chute 12, a mounting frame 13, a guide wheel 14, a groove 15, a ratchet wheel 16, a sliding rod 17, a spring 18, a pawl 19, a limiting disc 20 and a connecting plate 21.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

the main structure of the present embodiment, as shown in fig. 1 and fig. 2, includes a support plate 1, a reel 2, a driving motor 3, a connecting shaft 4, a first mounting plate 5, a second mounting plate 6, a displacement motor 8, a guide mechanism 9, a slider 10 and a threaded rod 11;

two groups of support plates 1 are respectively arranged at two ends of a reel 2; two ends of the connecting shaft 4 penetrate through the two groups of supporting plates, the middle part of the connecting shaft 4 penetrates through the reel 2, and one end of the connecting shaft 4 is connected with an output shaft of the driving motor 3; the first mounting plate 5 and the second mounting plate 6 are respectively mounted right below the reel 2, and two ends of the first mounting plate 5 and the second mounting plate 6 are respectively connected with the two groups of support plates 1; the first mounting plate 5 is provided with a strip-shaped through hole 7; the inner walls of two sides of the strip-shaped through holes 7 facing each other are provided with sliding grooves 12; two sides of the group of guide mechanisms 9 are respectively connected with the inner wall of the strip-shaped through hole 7 in a sliding manner through a sliding block 10; one end of the threaded rod 11 is connected with the displacement motor 8, the other end of the threaded rod 11 penetrates through the group of supporting plates 1, extends into the strip-shaped through hole 7 and penetrates through the sliding block 10, the threaded rod 11 is in threaded connection with the sliding block 10, and the threaded rod 11 is respectively in rotary connection with the supporting plates 1 and the first mounting plate 5;

the second mounting plate 6 is positioned right below the first mounting plate 5, and mounting through holes are formed in the second mounting plate 6; the other set of guiding means 9 is mounted inside the mounting through hole. Wherein, fixed wire rope that guiding mechanism 9 of installation can be fine on the second mounting panel 6 can avoid at winding in-process wire rope horizontal hunting, can make the more stable upward movement of object at the in-process that rises that promotes.

In the specific embodiment, when in use, one end of a steel wire rope is wound on the reel 2, and the other end of the steel wire rope respectively passes through the guide mechanism 9 on the first mounting plate 5 and the other group of guide mechanisms 9 on the second mounting plate 6; when the driving motor 3 is turned on to drive the reel 2 to rotate so as to wind the steel wire rope on the reel 2, the displacement motor 8 can be conveniently turned on; the positive and negative rotation of the displacement motor 8 drives the threaded rod 11 to rotate, so that the guide mechanism 9 on the first mounting plate 5 can be conveniently driven to reciprocate left and right, and the steel wire rope can be driven to move left and right; the uniform winding of messenger's wire rope that can be convenient is on the whole wrapping post of reel 2, can avoid wire rope whole to pile up somewhere on reel 2.

Example 2:

this embodiment further defines the structure of the guiding mechanism 9 on the basis of the above embodiment, as shown in the figure, the guiding mechanism 9 includes a mounting frame 13 and two sets of guiding wheels 14; the peripheral surface of two sets of leading wheel 14 all is equipped with recess 15, and two sets of leading wheel 14 are arranged and are rotated and install inside installation framework 13, have the space that supplies the wire rope to pass through between two sets of leading wheel 14. In the use process, the two groups of guide wheels 14 well clamp the steel wire rope and rotate along with the up-and-down movement of the steel wire rope, so that the position of the steel wire rope is more stable, and the steel wire rope can be subjected to friction. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 3:

in the embodiment, on the basis of the above embodiment, a ratchet wheel 16, a sliding rod 17, a spring 18, a pawl 19, a limiting disc 20 and a connecting plate 21 are further added, as shown in fig. 2, the ratchet wheel 16 is installed at one end of the connecting shaft 4 far away from the driving motor 3; one side end face of the connecting plate 21 is connected with the side end face of the supporting plate 1 below the ratchet wheel 16; the lower end of the slide rod 17 is connected with a limiting disc 20, the upper end of the slide rod 17 penetrates through a connecting plate 21 and is connected with a pawl 19, and the slide rod 17 is connected with the connecting plate 21 in a sliding mode; the pawl 19 is engaged with the ratchet wheel 16; the spring 18 is sleeved on the sliding rod 17, and two ends of the spring 18 are respectively connected with the connecting plate 21 and the limiting disc 20. The rotation of the wire winding wheel 2 can be conveniently locked through the matching of the ratchet wheel 16 and the pawl 19, so that the equipment can be safer in the use process; the pawl 19 can be conveniently driven to move up and down through the slide rod 17, and the pawl 19 can be conveniently driven to move down when the reel 2 needs to rotate reversely; the spring 18 allows the pawl 19 to always engage the ratchet wheel 16 in the initial state. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 4:

in this embodiment, on the basis of the above embodiment, a pulling handle is further added, and the lower end surface of the limiting disc 20 is provided with the pulling handle. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 5:

in the present embodiment, on the basis of the above embodiments, the structure of the ratchet wheel 16 is further defined, and a sound insulation cover is arranged outside the ratchet wheel 16; the lower end of the sound-proof cover is provided with an opening for the sliding rod 17 to slide, and the sound-proof cover is connected with the side end face of the support plate 1. The soundproof cover can reduce the sound generated when the ratchet 16 is matched with the pawl 19, and can reduce the noise of the equipment. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 6:

in this embodiment, on the basis of the above embodiments, the structure of the strip-shaped through holes 7 is further limited, and the inner walls of the strip-shaped through holes 7 facing the two sets of supporting plates 1 are respectively provided with a travel switch; the travel switch is electrically connected with the displacement motor 8. The travel switch is arranged, so that the steering of the displacement motor 8 can be controlled to change when the guide mechanism 9 touches the travel switch, and the guide mechanism 9 can be conveniently controlled to reciprocate leftwards and rightwards in the strip-shaped through hole 7. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 7:

the present embodiment further defines the structure of the reel 2 on which the hook is provided, in addition to the above-described embodiments. Due to the arrangement of the hook, one end of the steel wire rope can be conveniently hung on the hook when the steel wire rope is connected with the reel 2. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 8:

on the basis of the above embodiments, the present embodiment further defines the structure of the supporting plate 1, and the lower end surfaces of the two sets of supporting plates 1 are provided with rollers. The arrangement of the roller is convenient for the whole moving and carrying process of the lifting device. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

It will be appreciated that the operation of the lifting device structure, such as the drive motor 3 and the ratchet wheel 16, according to an embodiment of the present invention is well known in the art and will not be described in detail herein.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A single-rope winding type lifting device is characterized by comprising a supporting plate (1), a winding wheel (2), a driving motor (3), a connecting shaft (4), a first mounting plate (5), a second mounting plate (6), a displacement motor (8), a guide mechanism (9), a sliding block (10) and a threaded rod (11);

the two groups of supporting plates (1) are respectively arranged at two ends of the reel (2); two ends of the connecting shaft (4) penetrate through the two groups of supporting plates, the middle of the connecting shaft (4) penetrates through the reel (2), and one end of the connecting shaft (4) is connected with an output shaft of the driving motor (3); the first mounting plate (5) and the second mounting plate (6) are respectively mounted right below the reel (2), and two ends of the first mounting plate (5) and the second mounting plate (6) are respectively connected with the two groups of supporting plates (1); the first mounting plate (5) is provided with a strip-shaped through hole (7); the inner walls of two sides of the strip-shaped through holes (7) facing each other are provided with sliding grooves (12); two sides of the group of guide mechanisms (9) are respectively connected with the inner wall of the strip-shaped through hole (7) in a sliding manner through a sliding block (10); one end of the threaded rod (11) is connected with the displacement motor (8), the other end of the threaded rod (11) penetrates through the group of supporting plates (1) to extend into the strip-shaped through hole (7) and penetrate through the sliding block (10), the threaded rod (11) is in threaded connection with the sliding block (10), and the threaded rod (11) is respectively in rotating connection with the supporting plates (1) and the first mounting plate (5);

the second mounting plate (6) is positioned right below the first mounting plate (5), and mounting through holes are formed in the second mounting plate (6); the other group of guide mechanisms (9) are arranged in the mounting through holes; the guide mechanism (9) comprises an installation frame body (13) and two groups of guide wheels (14);

the peripheral surface of two sets of leading wheel (14) all is equipped with recess (15), and two sets of leading wheel (14) are arranged and are rotated and install inside installation framework (13), have the space that supplies wire rope to pass through between two sets of leading wheel (14).

2. A single rope wound hoist according to claim 1, characterized by further comprising a ratchet (16), a slide bar (17), a spring (18), a pawl (19), a limiting disc (20) and a connecting plate (21);

the ratchet wheel (16) is arranged at one end of the connecting shaft (4) far away from the driving motor (3); one side end face of the connecting plate (21) is connected with the side end face of the support plate (1) below the ratchet wheel (16); the lower end of the sliding rod (17) is connected with the limiting disc (20), the upper end of the sliding rod (17) penetrates through the connecting plate (21) and is connected with the pawl (19), and the sliding rod (17) is connected with the connecting plate (21) in a sliding mode; the pawl (19) is meshed with a ratchet wheel (16); the spring (18) is sleeved on the sliding rod (17), and two ends of the spring (18) are respectively connected with the connecting plate (21) and the limiting disc (20).

3. A single rope wound hoist according to claim 2, characterized in that the lower end face of the limiting disc (20) is provided with a pulling handle.

4. A single rope wrap lift device as claimed in claim 2, wherein the outside of said ratchet wheel (16) is provided with a sound-insulating cover; the lower end of the sound-proof cover is provided with an opening for the sliding of the sliding rod (17), and the sound-proof cover is connected with the side end surface of the support plate (1).

5. The single-rope winding type lifting device according to claim 1, wherein the strip-shaped through holes (7) are respectively provided with travel switches on the inner walls facing the two groups of supporting plates (1); the travel switch is electrically connected with the displacement motor (8).

6. A single-rope wound-type lifting device according to claim 1, characterised in that the reel (2) is provided with a hook.

7. A single-rope-winding-type lifting device according to claim 1, characterized in that the lower end faces of both sets of supporting plates (1) are provided with rollers.