CN218201934U

CN218201934U - Hoisting device and hoisting equipment

Info

Publication number: CN218201934U
Application number: CN202222324679.2U
Authority: CN
Inventors: 李自军; 陆鹏飞; 马芬芬
Original assignee: Hunan Zoomlion Crawler Crane Co Ltd
Current assignee: Hunan Zoomlion Crawler Crane Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The application discloses hoisting device and hoisting equipment relates to engineering machine tool technical field. The hoisting device comprises a hoisting rack, a hoisting drum and a transmission gear ring, wherein the hoisting drum is rotatably arranged on the hoisting rack; the transmission gear ring is arranged at one end of the hoisting drum close to the hoisting rack and is used for being in transmission fit with the encoder; the transmission gear ring comprises at least two fan-shaped gear ring sections, each fan-shaped gear ring section is detachably connected with the winch drum, and all the fan-shaped gear ring sections are connected end to surround into a circle. When the winding device disclosed by the application is used for installing the encoder, the winding rack and other parts are not required to be disassembled, the operation is simple and convenient, and the working efficiency is greatly improved.

Description

Hoisting device and hoisting equipment

Technical Field

The application relates to the technical field of engineering machinery, in particular to a hoisting device and hoisting equipment.

Background

The free hook falling winch of the crawler crane mainly comprises two types: one is a winch with an encoder and one is a winch without an encoder. The encoder is mainly used for converting a rotation angle of the winch into an electric signal so as to measure data such as hoisting height and speed.

However, when the encoder is installed on the basis of the hoisting mechanism without the encoder, the hoisting frame, the motor and other parts of the hoisting mechanism need to be detached first, and then the transmission gear mechanism and the encoder need to be installed. After the encoder is installed, parts such as the winch frame, the motor and the like which are disassembled before installation need to be installed again. From this, whole installation is loaded down with trivial details, operates inconveniently, and is efficient.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a hoisting device and hoisting equipment for solve the not enough that exists among the prior art.

To achieve the above object, in a first aspect, the present application provides a hoisting device comprising:

a hoisting frame;

the hoisting drum is rotatably arranged on the hoisting rack; and

the transmission gear ring is arranged at one end of the hoisting drum close to the hoisting rack and is used for being in transmission fit with the encoder;

the transmission gear ring comprises at least two fan-shaped gear ring sections, each fan-shaped gear ring section is detachably connected with the winch barrel, and all the fan-shaped gear ring sections are connected end to surround into a circle.

As a further improvement of the technical scheme:

with reference to the first aspect, in a possible implementation manner, the hoisting device further includes a preset number of fasteners;

each fan-shaped gear ring section is provided with a plurality of first mounting holes penetrating along the thickness direction, and the first mounting holes are kidney-shaped holes;

the end face of the hoisting drum is provided with a second mounting hole, and the fastening piece penetrates through the corresponding first mounting hole to be in threaded fit with the corresponding second mounting hole.

With reference to the first aspect, in a possible embodiment, the first mounting holes are uniformly distributed along the arc length direction of the fan-shaped gear ring segment.

With reference to the first aspect, in a possible implementation manner, a connection structure is provided at a joint between each two adjacent sector-shaped gear ring sections, and the connection structure is used for integrally connecting the two adjacent sector-shaped gear ring sections.

With reference to the first aspect, in one possible implementation, the connection structure includes:

the two connecting convex plates are respectively arranged on the two adjacent fan-shaped gear ring sections, and through holes are formed in the two connecting convex plates;

the locking screw rods penetrate through the through holes in the two connecting convex plates; and

and the two locking nut groups are respectively in threaded fit with the locking screw, and two nuts in each locking nut group are used for clamping one of the connecting convex plates.

With reference to the first aspect, in a possible implementation manner, the end, close to each other, of each two adjacent segment-shaped gear ring segments is in a plane fit or a concave-convex fit.

With reference to the first aspect, in one possible embodiment, a chord length of an inner arc of the sector ring gear section having a central angle greater than 180 ° is larger than a diameter of a rotation shaft of the winding drum.

With reference to the first aspect, in one possible embodiment, the transmission ring gear comprises two segment gear sections, and both segment gear sections have a central angle of 180 °.

With reference to the first aspect, in one possible embodiment, the transmission gear ring is an inner gear ring structure or an outer gear ring structure.

In order to achieve the above object, in a second aspect, the present application further provides a hoisting apparatus, which includes a driving mechanism, a wire rope encoder, and the hoisting device provided in the first aspect, where the driving mechanism is connected to the hoisting drum for driving the hoisting drum to rotate, the encoder is disposed on the hoisting frame, and the encoder is in meshing transmission with the transmission gear ring through a transmission gear.

Compare in prior art, the beneficial effect of this application:

the application provides a hoisting device and hoisting equipment, wherein, the hoisting device is when needs installation encoder, because the transmission ring gear includes two at least fan-shaped ring gear sections, and every fan-shaped ring gear section can dismantle with the hoist section of thick bamboo and be connected, so under the condition of not dismantling hoist frame and other spare parts, install every fan-shaped ring gear section at the hoist section of thick bamboo and be close to the one end of hoist frame to make all fan-shaped ring gear sections end to end enclose into the circle, in order to form the transmission ring gear, follow-up encoder of installing again, make the encoder pass through drive gear and transmission ring gear meshing transmission can. Therefore, when the winding device is provided with the encoder, the winding rack and other parts do not need to be detached, the operation is simple and convenient, and the working efficiency is greatly improved.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate certain embodiments of the application and together with the description serve to explain the application, it will be understood that the following drawings illustrate only some embodiments of the application and are therefore not to be considered limiting of scope, for those skilled in the art to which the invention pertains and that other related drawings may be devised without departing from the inventive concepts herein. In the drawings:

fig. 1 is a schematic structural diagram illustrating a hoisting device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of the hoisting device shown in fig. 1 after a first transmission gear ring is installed;

FIG. 3 is a schematic illustration of a segment of one of the ring gear segments of the transmission shown in FIG. 2;

FIG. 4 is a schematic structural diagram of a second transmission gear ring provided by the embodiment of the application after being installed;

FIG. 5 is a schematic structural diagram of a third transmission gear ring provided by the embodiment of the application after being installed;

fig. 6 shows a partially enlarged schematic view at a in fig. 5.

Description of reference numerals:

100. a hoisting frame; 200. a hoisting drum; 300. a transmission gear ring; 310. a sector-shaped gear ring section; 311. a first mounting hole; 312. a third mounting hole; 400. an encoder; 500. a transmission gear; 600. a fastener; 700. a connecting structure; 710. locking the screw rod; 720. connecting the convex plate; 730. and locking the nut group.

Detailed Description

The following describes in detail specific embodiments of the present application with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the application, are given by way of illustration and explanation only, not limitation.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiments of the present application, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like, indicate orientations and positional relationships that are based on the orientation or positional relationship shown in the drawings, are used for convenience in describing the present application 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 therefore should not be considered as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

The present application will now be described in detail with reference to the accompanying drawings in conjunction with exemplary embodiments.

Example one

Referring to fig. 1, the embodiment provides a hoisting device applied to a hoisting apparatus, and the hoisting device is used for winding and unwinding a steel wire rope.

In the present embodiment, the winding device includes a winding frame 100, a winding drum 200, and a power ring gear 300.

The winding drum 200 is rotatably disposed on the winding frame 100, and in particular, the winding drum 200 is rotatably disposed on the winding frame 100 through a rotating shaft (not shown) for connecting a driving motor (not shown).

The transmission gear ring 300 is arranged at one end of the hoisting drum 200 close to the hoisting frame 100, and the transmission gear ring 300 is used for being in transmission fit with the encoder 400 through the transmission gear 500.

Referring to fig. 2, 4 and 5, in particular, in the present embodiment, the transmission ring gear 300 includes at least two sector-shaped ring gear sections 310, each sector-shaped ring gear section 310 is detachably connected to the winding drum 200, and all the sector-shaped ring gear sections 310 are connected end to surround a circle. It will thus be appreciated that the drive ring 300 is formed by all of the segment ring gear segments 310 being surrounded end to end.

Wherein, the number of the segment gear segments 310 may be two, three, four or other numbers. It should be noted that the number of the sector gear sections 310 may be designed according to actual requirements, and certainly, the number of the sector gear sections 310 designed for the transmission gear 300 with different diameters also varies. Thus, in the present embodiment, the number of sector ring gear sections 310 in the ring gear 300 is not limited. It should be understood that the foregoing is illustrative only and is not intended to limit the scope of the invention.

It should be noted that, as shown in fig. 4, in all the sector ring gear sections 310, the chord length L of the inner arc of the sector ring gear section 310 having the central angle greater than 180 ° is greater than the diameter of the rotating shaft of the winding drum 200, so that the sector ring gear section 310 can pass through the rotating shaft smoothly, and the sector ring gear section 310 is prevented from interfering with the rotating shaft during installation.

Referring to fig. 2, 4 and 5, further, in some embodiments, the central angle and the arc length of each segment 310 are the same, and the central angle and the arc length of each segment 310 may be designed to be different.

In some embodiments, the ring gear 300 is an external ring gear structure, i.e., the teeth of the ring gear 300 are located on the outer peripheral surface of the ring gear 300.

In other embodiments, drive ring gear 300 is an annular gear structure, i.e., the teeth of drive ring gear 300 are located on the inner circumferential surface of drive ring gear 300.

Referring to fig. 1 to 5, the present embodiment also provides a hoisting apparatus. The hoisting equipment comprises a driving mechanism, an encoder 400 and the hoisting device, wherein the driving mechanism is connected with the hoisting drum 200 and used for driving the hoisting drum 200 to rotate, the encoder 400 is arranged on the hoisting rack 100, the encoder 400 is in meshing transmission with the transmission gear ring 300 through the transmission gear 500, and the hoisting drum 200 is used for winding a steel wire rope. Therefore, the winding drum 200 is driven to rotate through the driving mechanism so as to wind and unwind the steel wire rope, the winding drum 200 rotates and simultaneously drives the transmission gear ring 300 to rotate, the transmission gear ring 300 drives the transmission gear 500 to rotate and then transmits the transmission gear ring to the encoder 400, and the encoder 400 converts the rotating angle into an electric signal to perform data analysis.

Optionally, the hoisting device is a crawler crane, a rubber-tyred crane, a gantry crane, a bridge crane or a tower crane.

Example two

Referring to fig. 1, 2 and 3, the present embodiment provides a winding device applied to a hoisting apparatus, where the winding device is used for winding and unwinding a steel wire rope. The present embodiment is an improvement on the technology of the first embodiment, and compared with the first embodiment, the difference is that:

in order to describe the technical solution of the present application more clearly, in the present embodiment, the driving ring gear 300 includes two segment-shaped ring gear sections 310 for an example. And in this embodiment, the winding means further includes a preset number of fasteners 600. The two scalloped ring sections 310 are to be releasably attached to the winding drum 200 by fastening.

Optionally, the fastener 600 is a bolt.

Referring to fig. 3, in the present embodiment, a plurality of first mounting holes 311 penetrating through the two sector-shaped gear ring sections 310 in the thickness direction are disposed on each of the two sector-shaped gear ring sections 310, and the first mounting holes 311 are kidney-shaped holes.

The end surface of the corresponding winding drum 200 is provided with second mounting holes (not shown), and the number of the second mounting holes corresponds to the number of the first mounting holes 311 on all the sector-shaped ring gear sections 310. In this embodiment, the second mounting hole is a threaded hole.

When the sector-shaped ring gear section 310 is installed on the end face of the winding drum 200, the first installation hole 311 of the sector-shaped ring gear section 310 is aligned with the second installation hole of the winding drum 200, and then the fastener 600 is threaded through the corresponding first installation hole 311 and the corresponding second installation hole.

As can be appreciated, since the first mounting hole 311 of the sector-shaped ring gear section 310 is a kidney-shaped hole, the fastener 600 is in clearance fit with the first mounting hole 311. Thus, the scalloped ring segments 310 have some play before the fastener 600 is unthreaded, thereby allowing the scalloped ring segments 310 to also be fine-tuned. After the sector-shaped gear ring sections 310 are installed, the concentricity of the formed transmission gear ring 300 and the winding drum 200 is ensured by fine adjustment of the two sector-shaped gear ring sections 310, the gear width of the joint of the two sector-shaped gear ring sections 310 is ensured to meet the requirement, the stability of meshing transmission is ensured, and the stable operation of the winding device is ensured.

In some embodiments, the first mounting holes 311 are distributed along the arc length direction of the sector-shaped gear ring section 310, so as to ensure the stability after mounting.

Optionally, the first mounting holes 311 are uniformly distributed along the arc length direction of the sector-shaped ring gear section 310, so as to ensure that the sector-shaped ring gear section 310 is more stable after being arc-mounted.

Further, in some embodiments, the ends of the two ring gear segments 310 close to each other are in a planar fit, that is, the end faces of the two ring gear segments 310 are machined to be planar.

In other embodiments, the ends of the two gear segment sections 310 close to each other are concave-convex matched, so that the two gear segment sections 310 can be quickly assembled and positioned through concave-convex matching.

In some embodiments, the central angles of both sector ring gear segments 310 are 180 °, i.e., both sector ring gear segments 310 are identical.

Referring to fig. 4, in other embodiments, the two circular sector sections 310 may also be designed differently, a sum of central angles of the two circular sector sections 310 is 360 °, and a chord length L of an inner arc of the circular sector section 310 with the central angle larger than 180 ° is larger than a diameter of the rotating shaft of the winding drum 200, so that the circular sector sections 310 can be installed smoothly through the rotating shaft, and the circular sector sections 310 are prevented from interfering with the rotating shaft during installation. For example, the central angle of one of the sector-shaped ring gear sections 310 is one-third, one-fourth, or some other proportion of the central angle of the other sector-shaped ring gear section 310. It is to be understood that the above description is intended to be illustrative only and is not intended to limit the scope of the present application.

Referring to fig. 2 and fig. 3, further, a connecting structure 700 is disposed at a joint between each two adjacent sector-shaped gear ring sections 310, and the connecting structure 700 is used for connecting the two adjacent sector-shaped gear ring sections 310 into a whole. In the present embodiment, there are two junctions between the two segment gear sections 310, and thus there are two corresponding connecting structures 700.

In some embodiments, the connection structure 700 is a bolt, and the ends of the two segment gear sections 310 are provided with connection protrusions, and the two connection plates of the two segment gear sections 310 close to each other are locked by the bolt, so as to connect the two segment gear sections 310 into a whole.

In other embodiments, the connection structure 700 includes a bolt and a connection plate, the ends of the two fan-shaped ring gear sections 310 are provided with third mounting holes 312, the third mounting holes 312 are threaded holes, the two ends of the connection plate are correspondingly provided with fourth mounting holes, and the fourth mounting holes are unthreaded holes. When the two fan-shaped ring gear sections 310 are connected, the unthreaded hole of the connecting plate is aligned with the two threaded holes of the two fan-shaped ring gear sections 310, which are close to each other, and then the two fan-shaped ring gear sections 310 are connected into a whole by screwing through the bolts.

EXAMPLE III

Referring to fig. 2, 3 and 6, the present embodiment provides a winding device applied to a hoisting apparatus, where the winding device is used for winding and unwinding a steel wire rope. The present embodiment is an improvement on the technology of the second embodiment, and compared with the second embodiment, the difference is that:

in this embodiment, the connection structure 700 includes a locking screw 710, two connection convex plates 720, and two locking nut sets 730.

The two connecting convex plates 720 are respectively disposed on the two sector-shaped gear ring sections 310 and close to the end portions of the two sector-shaped gear ring sections 310, through holes (not shown) are disposed on the two connecting convex plates 720, and after the two connecting convex plates 720 are mounted, the through holes on the two connecting convex plates 720 are ensured to be concentric.

Optionally, the connecting convex plate 720 and the corresponding sector-shaped ring gear section 310 are welded or the connecting convex plate 720 and the third mounting hole 312 are screwed. Of course, in some embodiments, the connection protruding plate 720 can be installed on the sector-shaped ring gear section 310 by bolts.

Two nuts are included in each lock nut set 730. When the locking nut group 730 is installed, the locking screw 710 is arranged to pass through the through holes of the two connecting convex plates 720, the two locking nut groups 730 are respectively in threaded fit with the locking screw 710, and two nuts in each locking nut group 730 are used for clamping one of the connecting convex plates 720.

From this, when the interval between two fan-shaped ring gear sections 310 need finely tune, do not screw up fastener 600 earlier to guarantee that two fan-shaped ring gear sections 310 all have certain allowance for movement, then through adjusting two nuts in lock nut group 730 in the axial position of locking screw 710, can realize the regulation of the interval between two fan-shaped ring gear sections 310, accomplish the regulation back, will ensure that two nuts in lock nut group 730 press from both sides tight connection flange 720 that corresponds.

By adjusting the distance between the two fan-shaped gear ring sections 310, the concentricity of the transmission gear ring 300 formed by the two fan-shaped gear ring sections 310 and the winding drum 200, the roundness of the transmission gear ring 300 and the tooth width of the joint of the two fan-shaped gear ring sections 310 can be further adjusted, so that the transmission gear ring 300 is stably meshed with the transmission gear 500, and the subsequent stable operation of the winding device is further ensured. It will be appreciated that during the above adjustment, measurements need to be taken by instrumentation.

In some embodiments, the locking screw 710 may be replaced with a bolt.

Alternative embodiments of the present application are described in detail above with reference to the drawings, however, the embodiments of the present application are not limited to the specific details in the embodiments, and within the technical idea of the embodiments of the present application, many simple modifications may be made to the technical solution of the embodiments of the present application, and these simple modifications all belong to the protection scope of the embodiments of the present application.

It should be noted that, in the foregoing detailed description, various specific technical features described in the foregoing detailed description may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not separately described in the embodiments of the present application.

In addition, any combination of various different implementation manners of the embodiments of the present application can be performed, and the embodiments of the present application should be considered as disclosed in the embodiments of the present application as long as the combinations do not depart from the spirit of the embodiments of the present application.

Claims

1. A hoisting device, comprising:

a hoisting machine frame (100);

a hoisting drum (200) rotatably provided to the hoisting machine frame (100); and

the transmission gear ring (300) is arranged at one end, close to the winch frame (100), of the winch drum (200) and is used for being in transmission fit with the encoder (400);

the transmission gear ring (300) comprises at least two fan-shaped gear ring sections (310), each fan-shaped gear ring section (310) is detachably connected with the hoisting drum (200), and all the fan-shaped gear ring sections (310) are connected end to surround into a circle.

2. Hoisting device according to claim 1, characterized in that it further comprises a preset number of fasteners (600);

each fan-shaped gear ring section (310) is provided with a plurality of first mounting holes (311) penetrating along the thickness direction, and each first mounting hole (311) is a kidney-shaped hole;

the end face of the hoisting drum (200) is provided with a second mounting hole, and the fastening piece (600) penetrates through the corresponding first mounting hole (311) to be in threaded fit with the corresponding second mounting hole.

3. The hoisting device of claim 2 wherein said first mounting holes (311) are evenly distributed along the arc length of said segment (310).

4. The hoisting device as claimed in claim 2, wherein a connecting structure (700) is arranged at the joint between each two adjacent segment gear sections (310), and the connecting structure (700) is used for connecting the two adjacent segment gear sections (310) into a whole.

5. Hoisting device as claimed in claim 4, characterized in that the connection structure (700) comprises:

the two connecting convex plates (720) are respectively arranged on the two adjacent fan-shaped gear ring sections (310), and through holes are formed in the two connecting convex plates (720);

a locking screw rod (710) arranged through the through holes on the two connecting convex plates (720); and

two locking nut groups (730) which are respectively in threaded fit with the locking screw rods (710), wherein two nuts in each locking nut group (730) are used for clamping one of the connecting convex plates (720).

6. The hoisting device as claimed in claim 1, wherein the adjacent ends of two adjacent segment gear sections (310) are in plane fit or concave-convex fit.

7. The hoisting device of claim 1 wherein the chord length of the inner arc of the sector ring gear segment (310) having a central angle greater than 180 ° is greater than the diameter of the axis of rotation of the hoisting drum (200).

8. The hoisting device according to claim 1, wherein the driving ring gear (300) comprises two ring gear segments (310), and the central angles of both ring gear segments (310) are 180 °.

9. Hoisting device according to any one of claims 1-8, characterized in that the transmission gear ring (300) is of an internal gear ring structure or an external gear ring structure.

10. Hoisting equipment, characterized by comprising a driving mechanism, an encoder (400) and a hoisting device according to any one of claims 1 to 9, wherein the driving mechanism is connected with the hoisting drum (200) and is used for driving the hoisting drum (200) to rotate, the encoder (400) is arranged on the hoisting rack (100), and the encoder (400) is in meshing transmission with the transmission gear ring (300) through a transmission gear (500).