CN212174095U

CN212174095U - Double-rope winding device

Info

Publication number: CN212174095U
Application number: CN202020807872.XU
Authority: CN
Inventors: 曾繁通; 金峥
Original assignee: Guangdong Zhiyuan Robot Technology Co Ltd
Current assignee: Guangdong Zhiyuan Robot Technology Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-18
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a two rope take-up device, include: two sets of rope winding mechanisms are used for winding or unwinding ropes; the rope winding mechanism comprises two sets of rope guiding mechanisms, the two sets of rope guiding mechanisms are arranged in one-to-one correspondence with the rope winding mechanism, each rope guiding mechanism comprises a rope guiding wheel and an encoder, the rope is wound onto the rope winding mechanism through the rope guiding wheels, the rope can drive the rope guiding wheels to rotate in the winding or unfolding process, and the encoders are in transmission connection with the rope guiding wheels; the power mechanism is used for driving the two rope winding mechanisms to synchronously operate; and the controller is electrically connected with the power mechanism and the encoder respectively. The double-rope winding device can realize the double-rope winding function and the rope guiding function, can detect the synchronous states of the ropes on the two sides in real time, ensures that the ropes on the two sides can be synchronously wound, and can be well applied to occasions with higher requirements on synchronism.

Description

Double-rope winding device

Technical Field

The utility model relates to a pull technical field, especially relate to a two rope take-up devices.

Background

In daily life, objects need to be pulled (for example, horizontal pulling and vertical lifting) frequently to move the objects to a specified position, so that some devices with rope winding mechanisms, such as hoists, cranes, elevators and the like, can be used, and flexible ropes (such as steel wires, copper wires, straw ropes and the like) can be wound and unwound through the rope winding mechanisms, so that the objects can be driven to move. However, the above-described devices generally achieve only a single cord winding function, and do not achieve a double cord winding function. In addition, some devices, such as an electric clothes hanger, although the function of winding the two ropes can be achieved, the device lacks a rope guiding function, cannot detect the synchronous state of the ropes on the two sides in real time, and is difficult to ensure the synchronism of the ropes on the two sides, so that the device cannot be applied to occasions with high requirements on the synchronism.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a double-rope winding device that can realize a double-rope winding function and a rope guiding function, can detect a synchronization state of ropes on both sides in real time, can maintain synchronous winding of the ropes on both sides, and can be suitably used in a situation where a high requirement for synchronization is placed.

A double rope winding device, comprising:

two sets of rope winding mechanisms are used for winding or unwinding ropes;

the rope guiding mechanisms and the rope winding mechanisms are arranged in a one-to-one correspondence mode, each rope guiding mechanism comprises a rope guiding wheel and an encoder, the rope is wound onto the rope winding mechanism through the rope guiding wheels, the rope can drive the rope guiding wheels to rotate in the winding or unfolding process, and the encoders are in transmission connection with the rope guiding wheels;

the power mechanism is used for driving the two rope winding mechanisms to synchronously run; and

and the controller is respectively and electrically connected with the power mechanism and the encoder.

When the double-rope winding device works, ropes are wound on the rope winding mechanisms through the rope guide wheels of the rope guide mechanisms, the two rope winding mechanisms are driven to synchronously run through one power mechanism, and therefore synchronous winding or expansion of the two ropes is achieved. The double-rope winding device can realize the double-rope winding function, can detect the synchronous state of the ropes on the two sides in real time, ensures that the ropes on the two sides can be synchronously wound, and can be well applied to occasions with higher requirements on synchronism.

In one embodiment, the double-rope winding device further includes a vertical mounting plate, each rope winding mechanism includes a rope winding wheel and first shifting shafts connected to one end of the rope winding wheel, the first shifting shafts are rotatably mounted on the vertical mounting plate, the axes of the two first shifting shafts are opposite and spaced on the same horizontal plane, the power mechanism includes a driving assembly and a transmission assembly in driving connection with the driving assembly, and the transmission assembly is in driving connection with the two first shifting shafts respectively to drive the two first shifting shafts to rotate synchronously.

In one embodiment, the double-rope winding device further comprises vertical support plates arranged opposite to and at intervals with respect to the vertical mounting plate, each rope winding mechanism further comprises a second shifting wheel shaft connected to the other end of the rope winding wheel, the second shifting wheel shaft is rotatably mounted on the vertical support plates, and the rotation axis of the second shifting wheel shaft is coincident with the rotation axis of the first shifting wheel shaft.

In one embodiment, each of the rope winding mechanisms further includes a screw rod and a shift rod, one end of the screw rod is relatively rotatably installed in the first shift wheel shaft, the other end of the screw rod penetrates through the rotation center of the second shift wheel shaft and is fixedly connected with the vertical support plate, the shift rods are parallel to the screw rod and are arranged at intervals, two ends of the shift rod are respectively fixedly connected with the first shift wheel shaft and the second shift wheel shaft, the rope winding wheel is sleeved on the peripheries of the screw rod and the shift rod, the rope winding wheel is in threaded transmission connection with the screw rod, and the rope winding wheel is in sliding fit with the shift rod.

In one embodiment, the number of the shift levers is at least two, the distances between the shift levers and the screw rod are equal, and each shift lever is in sliding fit with the rope winding wheel.

In one embodiment, the outer circumferential surface of the rope winding wheel is provided with a spiral groove which extends spirally along the axial direction, and the pitch of the spiral groove is the same as that of the screw rod.

In one embodiment, the double-rope winding device further comprises a pressing rod arranged outside the rope winding wheel at intervals, the pressing rod extends along the axial direction of the rope winding wheel, and the pressing rod is used for pressing the rope on the rope winding wheel.

In one embodiment, the transmission assembly includes a synchronous belt, a driving wheel and two transmission wheels, a driving shaft of the driving assembly is in driving connection with the driving wheel, the two transmission wheels are in driving connection with the two first shifting wheel shafts respectively, and the synchronous belt is wound on the driving wheel and the two transmission wheels.

In one embodiment, the transmission assembly further comprises a tension wheel, the tension wheel is adjustably mounted on the vertical mounting plate, and the tension wheel is used for adjusting the tension degree of the synchronous belt.

In one embodiment, the rope guiding mechanism further comprises a rope blocking wheel, the rope blocking wheel is located on one side of the rope guiding wheel, and the rope blocking wheel is used for pressing the rope on the rope guiding wheel.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a double-rope winding device according to an embodiment of the present invention;

FIG. 2 is a front view of the double cord winding apparatus of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the dual cord winding apparatus of FIG. 1;

FIG. 4 is a schematic view of the roping arrangement;

FIG. 5 is a front view of the roping arrangement in FIG. 4;

3 FIG. 3 6 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 35 3; 3

FIG. 7 is a schematic cross-sectional view of the cord guiding mechanism;

fig. 8 is a partial structural view of the double rope winding device of fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "third" 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," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 and 2, a schematic structural diagram of a double-rope winding device according to an embodiment of the present invention is shown, and the double-rope winding device according to an embodiment of the present invention includes a rope winding mechanism 10, a rope guiding mechanism 20, a power mechanism 30, and a controller (not shown).

The rope winding mechanism 10 and the rope guide mechanism 20 are provided in two sets, the rope guide mechanism 20 and the rope winding mechanism 10 are provided in a one-to-one correspondence manner, the rope winding mechanism 10 is used for winding or unwinding the rope 100, the rope guide mechanism 20 is used for guiding the rope 100 to the rope winding mechanism 10, the rope 100 includes but is not limited to flexible ropes such as steel wires, copper wires and straw ropes, the size of the rope winding mechanism 10 can be set according to actual needs, and the rope winding mechanism is suitable for winding the ropes 100 with different diameters. Referring to fig. 1 and 7, each rope guiding mechanism 20 includes a bracket 21, a rope guiding wheel 22 and an encoder 23, the rope guiding wheel 22 is rotatably mounted on the bracket 21 through a rotating shaft 24, the rope 100 is wound onto the rope winding mechanism 10 through the rope guiding wheel 22, the rope 100 can drive the rope guiding wheel 22 to rotate during winding or unwinding, and the encoder 23 is in transmission connection with the rotating shaft 24 of the rope guiding wheel 22 through a coupling 25; the power mechanism 30 is used for driving the two rope winding mechanisms 10 to synchronously run; the controller is electrically connected with the power mechanism 30 and the encoder 23 respectively.

When the double-rope winding device works, the rope 100 is wound on the rope winding mechanism 10 through the rope guide wheel 22 of the rope guide mechanism 20, the two rope winding mechanisms 10 are driven to synchronously run through one power mechanism 30, so that the two ropes 100 are synchronously wound or unfolded, the rope 100 can drive the rope guide wheel 22 to rotate in the winding or unfolding process, a good guiding effect can be achieved on the rope 100 through the rope guide wheel 22, the encoder 23 can be driven to rotate in the rotating process of the rope guide wheel 22, the encoder 23 feeds detection information back to the controller in real time, the ropes 100 on the two rope winding mechanisms 10 can be ensured to be always in a synchronous state, when an abnormality occurs, the encoder 23 can identify an abnormal signal and feed the abnormal signal back to the controller, the controller controls the power mechanism 30 to stop driving, the rope winding mechanism 10 stops running, and therefore the stability of a pulled object is ensured. The double-rope winding device can realize the double-rope winding function and the guide function of the ropes 100, can detect the synchronous state of the ropes 100 on the two sides in real time, ensures that the ropes 100 on the two sides can be synchronously wound, and can be well applied to occasions with higher requirements on synchronism.

For example, in one particular application scenario, the dual cord take-up apparatus described above may be used in a cloud rail serving trolley, which may include a cloud rail, an AGV cart, a dual cord take-up apparatus, and a stage. Cloud rail installs the high altitude position at the restaurant, and the AGV dolly can be followed cloud rail motion, and two rope take-up device install on the AGV dolly, and the objective table is connected with two rope winding mechanism 10 of two rope take-up device respectively through two ropes 100, can realize the synchronous winding or the expansion of two ropes 100 through two rope winding device, and then can guarantee that the object on the objective table can carry out steady elevating movement.

Referring to fig. 1, 3 and 8, in one embodiment, the double-rope winding device further includes a vertical mounting plate 41, each rope winding mechanism 10 includes a rope winding wheel 11 and a first pulling wheel shaft 12 connected to one end of the rope winding wheel 11, the first pulling wheel shaft 12 is rotatably mounted on the vertical mounting plate 41, axes of the two first pulling wheel shafts 12 are opposite and spaced on the same horizontal plane, the power mechanism 30 includes a driving assembly 31 and a transmission assembly in driving connection with the driving assembly 31, and the transmission assembly is respectively in driving connection with the two first pulling wheel shafts 12 to drive the two first pulling wheel shafts 12 to rotate synchronously. Specifically, as shown in fig. 1 and 2, two sets of rope winding mechanisms 10 are arranged side by side and at intervals in the transverse direction, the power mechanism 30 is located between the two sets of rope winding mechanisms 10, the driving force of the driving component 31 is transmitted to the two first shifting wheel shafts 12 through the transmission component, so that the two first shifting wheel shafts 12 can be driven to rotate synchronously, the first shifting wheel shaft 12 drives the rope winding wheel 11 connected with the first shifting wheel shaft to rotate, and then the rope 100 can be wound or unfolded.

The double-rope winding device enables the two rope winding mechanisms 10 to be arranged side by side in the direction perpendicular to the rotation axis through the matching of the driving assembly 31 and the transmission assembly, so that the phenomenon that the two rope winding mechanisms 10 are coaxially arranged to cause overlarge axial size can be avoided, the whole structure is more compact, and the layout is more reasonable. The driving assembly 31 may include a driving motor and a speed reducer, and the driving motor is in driving connection with the transmission assembly through the speed reducer. The driving motor includes, but is not limited to, a servo motor, a dc motor, a stepping motor, or the like. The transmission assembly includes, but is not limited to, a synchronous belt transmission, a gear transmission, etc. to realize the rotation of the two first dial wheel shafts 12.

Further, the double-rope winding device further comprises vertical support plates 42 opposite to the vertical mounting plate 41 and arranged at intervals, each rope winding mechanism 10 further comprises a second shifting wheel shaft 13 connected to the other end of the rope winding wheel 11, the second shifting wheel shaft 13 is rotatably mounted on the vertical support plates 42, and the rotating axis of the second shifting wheel shaft 13 coincides with the rotating axis of the first shifting wheel shaft 12. During the rope winding process, the power mechanism 30 drives the first pulley shaft 12 to rotate, and further drives the rope winding wheel 11 and the second pulley shaft 13 to rotate together. The vertical mounting plate 41 and the vertical support plate 42 are opposite to form a double-support structure, so that the stress strength can be ensured, the support stability of the rope winding wheel 11 can be ensured, and the winding and unwinding stability of the rope 100 can be further ensured. The first shifting wheel shaft 12 can be fixed on the vertical mounting plate 41 through the first bearing 44, and the second shifting wheel shaft 13 can be fixed on the vertical support plate 42 through the first bearing 44, so as to ensure the rotational stability. In addition, in order to ensure the installation stability of the first bearing 44, the first bearing 44 may be also fixed by pressing through a bearing end cover 45.

Optionally, the double-rope winding device further comprises a bottom plate 43 fixed to the bottoms of the vertical mounting plate 41 and the vertical support plate 42, and the vertical mounting plate 41 and the vertical support plate 42 are connected into a whole through the bottom plate 43, so that the strength of the supporting structure can be further improved. At the same time, the double rope winding device can be conveniently mounted to an external device (e.g., an AGV cart of a cloud rail serving cart) via the bottom plate 43.

Furthermore, each rope winding mechanism 10 further comprises a screw rod 14 and a deflector rod 16, one end of the screw rod 14 is relatively rotatably installed in the first deflector rod shaft 12, the other end of the screw rod passes through the rotation center of the second deflector rod shaft 13 and is fixedly connected with the vertical support plate 42, the deflector rods 16 are parallel to the screw rod 14 and are arranged at intervals, two ends of the deflector rod 16 are fixedly connected with the first deflector rod shaft 12 and the second deflector rod shaft 13 respectively, the rope winding wheel 11 is sleeved on the peripheries of the screw rod 14 and the deflector rod 16, the rope winding wheel 11 is in threaded transmission connection with the screw rod 14, and the rope winding wheel 11 is in sliding fit with the deflector rod 16.

Specifically, as shown in fig. 3, the lead screw 14 and the shift lever 16 both extend in the horizontal direction, the left end of the lead screw 14 is installed in the first shift lever shaft 12 through the second bearing 46, and the right end of the lead screw 14 passes through the second shift lever shaft 13 and is fixedly connected with the vertical support plate 42 through the fixing ring 47, so that the lead screw 14 can be kept fixed during the rotation of the first shift lever shaft 12. Referring to fig. 1, in the process of winding, one end of the rope 100 is fixedly connected to the rope winding wheel 11, and the other end of the rope passes around the rope guiding wheel 22 and then is connected to the object to be hauled, the rope guiding wheel 22 is located at one side of the rope winding wheel 11, and the position of the rope guiding wheel 22 is fixed, so that the rope 100 is kept unchanged at the winding opening. The first shifting wheel shaft 12 is driven to rotate through the power mechanism 30, the first shifting wheel shaft 12 drives the shifting rod 16 and the rope winding wheel 11 to rotate, and the rope winding wheel 11 can move linearly along the screw rod 14 in the rotating process, so that the rope winding wheel 11 can realize spiral motion with the same pitch as the screw rod 14, and the ropes 100 can be uniformly distributed on the rope winding wheel 11. The rope winding mechanism 10 of the embodiment has a simple overall structure, and can wind the rope 100 on the rope winding wheel 11 in a controllable and orderly manner under the condition that the position of the rope 100 is kept unchanged at the winding opening, so that the uniform arrangement of the rope 100 on the rope winding wheel 11 is realized, and the motion of a pulled object can be ensured to be more stable. In addition, the rope winding mechanism 10 realizes the fixed input of power in the rope winding process, and the spiral motion only needs the participation of one part of the rope winding wheel 11, so that the weight of the motion part is reduced, the required power load is smaller, and correspondingly, a power source with a smaller structural size can be selected, so that the whole size of the rope winding mechanism 10 can be greatly reduced, and the rope winding mechanism can be suitable for a smaller space.

Referring to fig. 6, optionally, each of the rope winding mechanisms 10 further includes a nut 15 and a linear bearing 17, the nut 15 is in threaded transmission connection with the lead screw 14, the linear bearing 17 is slidably sleeved on the shift lever 16, the rope winding wheel 11 is in a cylindrical shape with two open ends, a partition is disposed in an inner cavity of the rope winding wheel 11, and a first mounting hole for the nut 15 to be fixed in a penetrating manner and a second mounting hole for the linear bearing 17 to be fixed in a penetrating manner are disposed in the partition. The rope winding wheel 11 can drive the nut 15 to rotate together in the rotating process, and the nut 15 can perform linear motion along the screw rod 14, so as to drive the linear bearing 17 and the rope winding wheel 11 to perform linear sliding along the deflector rod 16. The rope winding wheel 11 is driven to do linear motion through the lead screw nut pair consisting of the lead screw 14 and the nut 15, the structure is simple, and the control precision is high. Further, since the wrap sheave 11 is provided in a hollow cylindrical structure, the weight of the wrap sheave 11 can be made relatively light, and the power load can be further reduced. In addition, the rope winding wheel 11 is connected with the deflector rod 16 in a sliding mode through the linear bearing 17, the linear bearing 17 is in sliding fit with the deflector rod 16, the linear motion of the rope winding wheel 11 is enabled to be more stable, the motion precision is higher, meanwhile, due to the fact that rolling friction exists between the linear bearing 17 and the deflector rod 16, friction force is small, and abrasion to the deflector rod 16 can be reduced. Of course, in other embodiments, even routing of the rope 100 can be achieved by means of a threaded sleeve cooperating with the rope winding sheave 11, or an external rope guide.

In order to further ensure that the rope winding wheel 11 can perform spiral motion smoothly, at least two shift levers 16 are arranged, the distances between the shift levers 16 and the screw rod 14 are equal, and each shift lever 16 is slidably matched with the rope winding wheel 11. In this way, the deflector rods 16 are mutually matched to play a more stable supporting role for the rope winding wheel 11, so that the stress of the rope winding wheel 11 is more uniform, and the rope winding device can be better suitable for winding the large-diameter rope 100. Specifically, in the present embodiment, four levers 16 are provided, and each lever 16 is slidably connected to the sheave 11 through a linear bearing 17. In addition, in order to ensure sufficient support strength, the driver 16 may be made of a metal material, such as a stainless steel material.

Further, the outer circumferential surface of the sheave 11 is provided with a spiral groove extending spirally in the axial direction, and the pitch of the spiral groove is the same as that of the screw 14. By providing the spiral groove on the outer circumferential surface of the rope winding wheel 11, the rope 100 can be orderly wound into the spiral groove during the spiral motion of the rope winding wheel 11, so that the arrangement of the rope 100 is more uniform.

In addition, in order to facilitate the fixing of the rope 100, a fixing hole for fixing the rope 100 is provided in the bottom of the spiral groove located on the outermost side of the wrap sheave 11. In use, one end of the rope 100 is fixed in the fixing hole, so that the rope 100 can be always positioned at the bottom of the spiral groove in the winding process, and the rope 100 can be tightly wound on the rope winding wheel 11 without loosening.

In order to prevent the rope 100 from coming off from both ends of the wrap sheave 11, rope blocking plates may be provided at both ends of the wrap sheave 11 in the axial direction, respectively, to limit the rope 100 to a certain extent. The rope blocking plate may be integrally formed at the end of the rope winding wheel 11, or may be separately installed from the rope winding wheel 11 and then fixed to the end of the rope winding wheel 11 by welding or fastening.

Further, referring to fig. 1 and 3, the double rope winding device further includes a pressing rod 48 disposed at an interval outside the rope winding wheel 11, the pressing rod 48 extends along the axial direction of the rope winding wheel 11, and the pressing rod 48 is used for pressing the rope 100 onto the rope winding wheel 11. Thereby further ensuring that the rope 100 can be tightly wound around the rope sheave 11 without loosening. Specifically, the fixing seats 49 may be respectively disposed on the top of the vertical mounting plate 41 and the top of the vertical support plate 42, the pressing rods 48 are disposed on the top of the rope winding wheel 11 at intervals, and two ends of the pressing rods 48 are respectively connected and fixed with the fixing seats 49.

Further, as shown in fig. 8, the transmission assembly includes a synchronous belt 32, a driving wheel 33 and two transmission wheels 34, a driving shaft of the driving assembly 31 is drivingly connected to the driving wheel 33, the two transmission wheels 34 are drivingly connected to the two first dial wheel shafts 12, respectively, and the synchronous belt 32 is wound around the driving wheel 33 and the two transmission wheels 34. Specifically, as shown in fig. 2, the driving wheel 33 and the two driving wheels 34 are arranged in a substantially isosceles triangle, and the first dial shaft 12 and the driving wheels 34 may be connected by a key. The driving wheel 33 is driven to rotate by the driving component 31, the driving wheel 33 drives the two driving wheels 34 to synchronously rotate by the synchronous belt 32, and then the two first poking wheel shafts 12 can be driven to synchronously rotate, so that the synchronous operation of the two rope winding mechanisms 10 is realized, the whole structure is simple, and the transmission is reliable.

In addition, in order to avoid the loosening of the synchronous belt 32 in the transmission process, the transmission assembly further comprises a tension wheel 35, the tension wheel 35 is adjustably mounted on the vertical mounting plate 41 in position, and the tension wheel 35 is used for adjusting the tension degree of the synchronous belt 32. Specifically, a strip-shaped groove can be formed in the vertical mounting plate 41, the tension wheel 35 can be movably mounted in the strip-shaped groove, the tension wheel 35 is locked and fixed after sliding to a proper position along the strip-shaped groove, so that the tension wheel 35 compresses the synchronous belt 32, the slipping phenomenon in the transmission process can be avoided, and the transmission reliability can be further ensured. For example, in the embodiment, as shown in fig. 2, one tension wheel 35 is disposed between each transmission wheel 34 and the driving wheel 33, and the two tension wheels 35 are symmetrically disposed outside the timing belt 32.

Further, the rope guiding mechanism 20 further includes a rope blocking wheel 27, the rope blocking wheel 27 is disposed at one side of the rope guiding wheel 22, and the rope blocking wheel 27 is used for pressing the rope 100 on the rope guiding wheel 22, so that the rope 100 can be prevented from slipping off the rope guiding wheel 22. Specifically, as shown in fig. 7, the rotating shaft 24 is rotatably mounted on the bracket 21 through a third bearing 28, the rope guide 22 and the rotating shaft 24 are fixedly connected through a fastener, a winding groove for winding the rope 100 is formed on the circumferential surface of the rope blocking wheel 27, the rope blocking wheel 27 is mounted on the bracket 21 through a fixed shaft 26, and the circumferential surface of the rope blocking wheel 27 is in abutting engagement with the circumferential surface of the rope guide 22, so that the rope 100 can be limited in the winding groove. Optionally, the rope blocking wheel 27 is provided in plurality, and the rope blocking wheels 27 are arranged at intervals along the circumferential direction of the rope guide wheel 22, so that a plurality of positions of the rope 100 can be limited, so that the rope 100 can be wound on the rope guide wheel 22 according to a preset path.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A double rope winding device, characterized in that it comprises:

two sets of rope winding mechanisms are used for winding or unwinding ropes;

2. The double-rope winding device according to claim 1, further comprising a vertical mounting plate, wherein each rope winding mechanism comprises a rope winding wheel and a first shifting wheel shaft connected to one end of the rope winding wheel, the first shifting wheel shafts are rotatably mounted on the vertical mounting plate, the axes of the two first shifting wheel shafts are opposite and spaced on the same horizontal plane, the power mechanism comprises a driving assembly and a transmission assembly in driving connection with the driving assembly, and the transmission assembly is in driving connection with the two first shifting wheel shafts respectively so as to drive the two first shifting wheel shafts to rotate synchronously.

3. The double rope winding device according to claim 2, further comprising a vertical support plate disposed opposite to and spaced apart from the vertical mounting plate, wherein each of the rope winding mechanisms further comprises a second pulley shaft connected to the other end of the rope winding wheel, the second pulley shaft being rotatably mounted on the vertical support plate, and a rotation axis of the second pulley shaft coincides with a rotation axis of the first pulley shaft.

4. The double-rope winding device according to claim 3, wherein each of the rope winding mechanisms further comprises a screw rod and a shift rod, one end of the screw rod is relatively rotatably mounted in the first shift rod shaft, the other end of the screw rod passes through the rotation center of the second shift rod shaft and is fixedly connected with the vertical support plate, the shift rods are parallel to the screw rod and are arranged at intervals, two ends of the shift rod are respectively fixedly connected with the first shift rod shaft and the second shift rod shaft, the rope winding wheel is sleeved on the periphery of the screw rod and the shift rod and is in threaded transmission connection with the screw rod, and the rope winding wheel is slidably matched with the shift rod.

5. The double-rope winding device according to claim 4, wherein the number of the shift levers is at least two, and the shift levers are spaced apart from the lead screw by the same distance, and each of the shift levers is slidably engaged with the rope winding wheel.

6. The double rope winding device according to claim 4, wherein an outer circumferential surface of the rope winding sheave is provided with a spiral groove extending spirally in an axial direction, and a pitch of the spiral groove is the same as a pitch of the lead screw.

7. The double rope winding device of claim 2, further comprising a compression bar spaced outside the rope winding sheave, the compression bar extending in an axial direction of the rope winding sheave, the compression bar being configured to compress the rope against the rope winding sheave.

8. The dual cord winding apparatus as claimed in claim 2, wherein the transmission assembly comprises a synchronous belt, a driving wheel and two transmission wheels, the driving shaft of the driving assembly is drivingly connected to the driving wheel, the two transmission wheels are drivingly connected to the two first thumb wheel shafts, respectively, and the synchronous belt is wound around the driving wheel and the two transmission wheels.

9. The double-rope winding device according to claim 8, wherein the transmission assembly further comprises a tension wheel, the tension wheel is adjustably mounted on the vertical mounting plate, and the tension wheel is used for adjusting the tension degree of the synchronous belt.

10. The double rope winding device according to any one of claims 1 to 9, wherein the rope guide further comprises a rope retaining wheel located at one side of the rope guide, the rope retaining wheel serving to press the rope against the rope guide.