Four-lifting-point winch

Abstract

The utility model relates to the technical field of winches, in particular to a four-lifting-point winch which comprises four groups of winch frames distributed left and right, each winch frame is rotatably connected with a winch shaft, the winch shafts are connected with lifting appliances through winch ropes, and the four groups of winch frames provided with the winch shafts are arranged, so that the lifting appliances are connected with the winch shafts through the winch ropes. According to the hoisting device, materials can be conveniently hoisted at four hoisting point positions, four groups of hoisting shafts can be conveniently driven from the middle position by arranging synchronous driving structures, two hoisting shafts on the respective sides can be conveniently and respectively driven by two groups of synchronous driving mechanisms, and the two groups of synchronous driving mechanisms are synchronously connected through couplings; according to the four-hoisting-point winch, the four groups of hoisting shafts are driven synchronously, so that the hoisting stability is ensured while the hoisting strength is ensured, and the four-hoisting-point winch is capable of hoisting synchronously and relatively high in hoisting stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technical field, concretely is four suspension point hoist. BACKGROUND

[0002] Hoist, with reel winding steel wire rope or chain hoist or drag heavy small lifting equipment, also called winch. Hoist can be vertical lifting, horizontal or inclined drag heavy. Hoist is divided into hand hoist, electric hoist and hydraulic hoist three. Electric hoist is mainly used. Can be used alone, also can be used as hoisting, road and mine hoist etc. the mechanical component, because simple operation, winding rope volume, move convenient and is widely used. Mainly used in construction, water conservancy engineering, forestry, mine, wharf etc. material lifting or flat drag, in order to improve the stability of lifting, generally adopts four suspension point hoist operation, but, the existing four suspension point hoist in hoisting process, four groups of single hoist in four pieces position lifting operation, but, often appear unstable lifting, for this, design a synchronous lifting, and the four suspension point hoist of high lifting stability. SUMMARY

[0003] (I) the technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides a four suspension point hoist, synchronous lifting, and the four suspension point hoist of high lifting stability.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model provides the following technical scheme: a four suspension point hoist, including four groups of left and right distribution hoist frame, each hoist frame is rotatably connected with hoist shaft, is connected with the lifting appliance on the hoist shaft through hoisting rope, the middle part of four groups of hoist frame is provided with synchronous drive structure that can drive four groups of hoist shaft rotation, the synchronous drive structure includes two groups of synchronous drive mechanism, two groups of synchronous drive mechanism are connected through shaft coupling, and the synchronous drive mechanism located in the same side is used to drive the rotation of two groups of hoist shaft in the same side.

[0007] Preferably, the synchronous drive mechanism includes bidirectional drive motor and transmission box, the transmission box is vertically distributed with drive shaft and transmission shaft that are connected through transmission assembly one, the side output end of bidirectional drive motor is fixedly connected with drive shaft, the other end of two bidirectional drive motors is connected through shaft coupling, and two hoist shafts located in the same side are connected with transmission shaft through transmission assembly two.

[0008] Preferably, the transmission assembly two includes gear and toothed disc, the toothed disc is fixedly connected on the hoist shaft, the gear is rotatably connected on the hoist frame and is engaged with the toothed disc, and the gear is fixedly connected with the transmission shaft.

[0009] Preferably, the gear and the transmission shaft are fixedly connected through a connecting shaft.

[0010] Preferably, the transmission assembly comprises two bevel gears, the two bevel gears are fixedly installed on the driving shaft and the transmission shaft respectively, and the two bevel gears are engaged.

[0011] Preferably, the bottom of the hoisting frame is provided with a guide ring for guiding the hoisting rope.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the utility model provides a four-lifting-point hoisting machine, has the following beneficial effects:

[0014] The four-lifting-point hoisting machine, through setting up four groups of hoisting frames provided with hoisting shafts, is convenient for hoisting materials at four-lifting-point positions, through setting up synchronous driving structures, is convenient for driving four hoisting shafts from the middle position, through two synchronous driving mechanisms, is convenient for driving two hoisting shafts on each side respectively, and through the shaft coupling, makes two synchronous driving mechanisms synchronous connection, and then makes four hoisting shafts synchronous driving, guarantees hoisting strength, guarantees hoisting stability, the four-lifting-point hoisting machine synchronous hoisting, and hoisting stability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overhead structure schematic view of the utility model;

[0016] Fig. 2 It is the front view structure schematic view of the utility model;

[0017] Fig. 3 It is the right view structure schematic view of the utility model.

[0018] Mark in the drawing: 1, hoisting frame;2, hoisting shaft;3, transmission box;4, two-way drive motor;5, shaft coupling;6, gear;7, toothed disc;8, connecting shaft;9, hoisting rope;10, lifting appliance. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment:

[0021] Please refer to Figs. 1-3The utility model provides a four -point hoist, including four groups of left and right distribution hoist frame 1, every hoist frame 1 is rotatably connected with hoist axle 2, and hoist axle 2 is connected with the lifting appliance 10 through hoist rope 9, and the middle part of four groups of hoist frame 1 is provided with the synchronous drive structure that can drive four groups of hoist axle 2 rotation synchronously, the synchronous drive structure includes two groups of synchronous drive mechanism, and two groups of synchronous drive mechanism are connected through the shaft coupling 5, and the synchronous drive mechanism located in the same side is used for driving the rotation of two groups of hoist axle 2 in the same side, further, hoist rope 9 can adopt wire rope or chain.

[0022] Specifically, the synchronous drive mechanism includes a bidirectional drive motor 4 and a transmission box 3, the transmission box 3 is vertically distributed with a drive shaft and a transmission shaft connected by a transmission assembly, one side output end of the bidirectional drive motor 4 is fixedly connected with the drive shaft, the other end of the two bidirectional drive motors 4 is connected through the shaft coupling 5, and the two hoist axles 2 located on the same side are connected with the transmission shaft through a transmission assembly.

[0023] Specifically, the transmission assembly two includes a gear 6 and a toothed disc 7, the toothed disc 7 is fixedly connected on the hoist axle 2, the gear 6 is rotatably connected on the hoist frame 1 and engaged with the toothed disc 7, and the gear 6 is fixedly connected with the transmission shaft, thereby improving the rotation stability of the hoist axle 2 through the engagement of the gear 6 and the toothed disc 7.

[0024] Specifically, the gear 6 and the transmission shaft are fixedly connected through a connecting shaft 8, and the connecting shaft 8 is arranged to facilitate increasing the distance between the two hoist axles 2 on the same side.

[0025] Specifically, the transmission assembly one includes two bevel gears, the two bevel gears are fixedly installed on the drive shaft and the transmission shaft respectively, and the two bevel gears are engaged, and the two bevel gears are arranged to facilitate transmission within 03.

[0026] Specifically, the bottom of the hoist frame 1 is provided with a guide ring for guiding the hoist rope 9, which facilitates the guidance of the hoist rope 9 and improves the stability of lifting.

[0027] It should be noted that in the specification, "one embodiment", "embodiment", "example embodiment", "some embodiments" and the like mean that the described embodiment can include a specific feature, structure or property, but not necessarily every embodiment includes the specific feature, structure or property. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when a specific feature, structure or property is described in combination with an embodiment, it is within the knowledge of those skilled in the art to realize such feature, structure or property in combination with other embodiments described explicitly or implicitly.

[0028] It should be readily understood that "on," "over," and "above" in the present disclosure are to be interpreted in the broadest context, such that "on" means not only "directly on" but also includes the meaning of "on" with intermediate features or layers therebetween, and "over" or "above" includes not only the meaning of "over" or "above" but also the meaning of "over" or "above" with no intermediate features or layers therebetween (i.e., directly on).

[0029] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0030] It should be noted that the terms "first", "second", and the like, as can be used herein do not necessarily have an either chronological or spatial relationship, but can be used to differentiate one element from another. Moreover, the terms "comprise", "include", or "contain" or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, includes or contains a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "consisting of" is intended to be construed as meaning "comprising" but only the specified elements of which the process, method, article, or apparatus consists.

[0031] Finally, it should be noted that the above-described embodiments are merely intended for describing and illustrating, but not limiting, the technical solutions of the present application; even though the present application has been described in detail with reference to the above-described embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above-described embodiments, or equivalently replace some or all of the technical features thereof; and such modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A four-point hoist characterized by: The crane frame (1) is arranged in four groups, each of which is rotatably connected with a winding shaft (2), and the winding shaft (2) is connected with a lifting tool (10) through a winding rope (9), the middle part of the four groups of the crane frame (1) is provided with a synchronous driving structure capable of synchronously driving the rotation of the four groups of winding shafts (2), the synchronous driving structure comprises two groups of synchronous driving mechanisms, the two groups of synchronous driving mechanisms are connected through a shaft coupling (5), and the synchronous driving mechanisms located on the same side are used for driving the rotation of the two groups of winding shafts (2) on the same side.

2. The four-point hoist of claim 1, wherein: The synchronous driving mechanism comprises a bidirectional driving motor (4) and a transmission box (3), the transmission box (3) is vertically provided with a driving shaft and a transmission shaft which are connected through a transmission assembly, one side output end of the bidirectional driving motor (4) is fixedly connected with the driving shaft, the other end of the two bidirectional driving motors (4) is connected through the shaft coupling (5), and the two winding shafts (2) located on the same side are connected with the transmission shaft through the transmission assembly two.

3. The four-point hoist of claim 2, wherein: The transmission assembly two comprises a gear (6) and a toothed disc (7), the toothed disc (7) is fixedly connected on the winding shaft (2), the gear (6) is rotatably connected on the crane frame (1) and is engaged with the toothed disc (7), and the gear (6) is fixedly connected with the transmission shaft.

4. The four-point hoist of claim 3, wherein: The gear (6) and the transmission shaft are fixedly connected through a connecting shaft (8).

5. The four-point hoist of claim 4, wherein: The transmission assembly one comprises two bevel gears, the two bevel gears are fixedly installed on the driving shaft and the transmission shaft respectively, and the two bevel gears are engaged.

6. The four-point hoist of claim 5, wherein: The bottom of the crane frame (1) is provided with a guide ring for guiding the winding rope (9).

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