CN109052203B - Multi-point acting force balancing system with spatial distribution - Google Patents

Abstract

A multipoint acting force balancing system distributed in space is integrally fixed on a load to be lifted and comprises two acting force adjusting device end units and a plurality of acting force adjusting device middle units which are distributed in space, wherein the acting force adjusting device end units are connected with a conversion connecting piece through a coupler, the other end of the conversion connecting piece is connected with a conversion roller through a coupler, two ends of the acting force adjusting device middle unit are respectively connected with the conversion connecting piece through the coupler and then connected with the conversion roller through the coupler, the two conversion rollers are connected through an elastic connecting piece, and the winding modes of the elastic connecting piece on the two conversion rollers are opposite; the rope is wound on the end unit of the acting force adjusting device and the middle unit of the acting force adjusting device, and the winding directions of the rope on the adjacent acting force adjusting devices are opposite. The invention can balance the tension of the multi-point acting force under the conditions of lifting and dragging an irregular object in real time.

Description

A spatially distributed multi-point force equalization system

technical field

The invention relates to a multi-point force equalization system with spatial distribution, which is especially suitable for the real-time balance of tension between multi-point forces under objects with complex working conditions and irregular spatial shapes.

Background technique

In the general industrial lifting process, ropes are mainly used to lift heavy objects. In the lifting process of some heavy objects with irregular shapes and large masses, multiple ropes are required for lifting, and each steel wire rope is connected with each other. It is difficult to balance the tension between them, and if the tension difference between the steel wire ropes is too large, it will increase the safety risk during the lifting process. Tension balance, there is no better tension balance device that can be applied to real-time balance of tension between multi-point forces under objects with complex working conditions and irregular spatial shapes.

SUMMARY OF THE INVENTION

In order to overcome the problem of unbalanced tension between multiple ropes when lifting heavy objects with irregular shapes and large masses in the existing lifting process, the present invention provides a spatially distributed multi-point force equalization system, which can The multi-point action force of spatial distribution enhances the real-time balance of the tension between the multi-point action force under the dragging of an irregular object, and the displacement adjustment length of the action point is large, the structure is simple and easy to arrange, the adjustment is rapid, and the space utilization rate is high.

The technical solution adopted by the present invention to solve the technical problem is: the whole is fixed on the load to be lifted, including two end units of the force adjustment device and several middle units of the force adjustment device in a spatial layout, and the end of the force adjustment device The unit is connected with the conversion connector through the coupling, the other end of the conversion connector is connected with the conversion drum through the coupling, and the two ends of the middle unit of the force regulating device are respectively connected with the conversion connector through the coupling and then through the coupling. Connect the conversion drums, the two conversion drums are connected by elastic connectors, and the elastic connectors are wound in opposite ways on the two conversion drums; the rope is wound on the end unit of the force regulating device and the middle unit of the force regulating device and The winding directions of the ropes on the adjacent force regulating devices are opposite, and the spatially distributed forces are respectively connected with the ropes of the end unit of the force regulating device and the middle unit of the force regulating device.

Compared with the prior art, a spatially distributed multi-point force equalization system of the present invention has two end units of the force adjustment device and a number of middle units of the force adjustment device in a spatial layout, and each force adjustment device unit. The spatial position of the wire rope can be adjusted appropriately according to the occasion of use, and the real-time self-adaptive adjustment of the tension of the steel wire rope is realized between each force adjustment device unit through the coupling, the conversion connection, the conversion drum and the elastic connection. The invention can balance the tension between the multi-point acting forces distributed in space, such as multiple ropes, chains, elastic rods, etc. to lift and drag an irregular object in real time, and the displacement adjustment length of the acting points is large. , The structure is simple and easy to arrange, the adjustment is rapid, and the space utilization rate is high.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

FIG. 1 is a front view of an embodiment of the present invention.

Figure 2 is a right side view of one embodiment of the present invention.

3 is a schematic structural diagram of the end unit of the force regulating device and the middle unit of the force regulating device adopting a bevel gear set according to the present invention, wherein the bearing seats at both ends are respectively an end bearing seat and a middle bearing seat with a slip ring.

4 is a schematic structural diagram of the end unit of the force regulating device and the middle unit of the force regulating device adopting a bevel gear set according to the present invention, wherein the bearing seats at both ends are the middle bearing seats with slip rings.

5 is a schematic structural diagram of the bevel gear planetary gear train set used in the end unit of the force regulating device and the middle unit of the force regulating device according to the present invention, wherein the bearing seats at both ends are respectively the end bearing seat and the middle bearing seat with a slip ring.

6 is a schematic structural diagram of the bevel gear planetary gear train set used in the end unit of the force regulating device and the middle unit of the force regulating device according to the present invention, wherein the bearing seats at both ends are middle bearing seats with slip rings.

7 is a schematic structural diagram of the end unit of the force regulating device and the middle unit of the force regulating device adopting a spur gear set according to the present invention, wherein the bearing seats at both ends are respectively the end bearing seat and the middle bearing seat with a slip ring.

8 is a schematic structural diagram of the end unit of the force regulating device and the middle unit of the force regulating device adopting a spur gear set according to the present invention, wherein the bearing seats at both ends are the middle bearing seats with slip rings.

9 is a schematic structural diagram of the combination of a spur gear and a spur gear planetary gear used in the end unit of the force adjustment device and the middle unit of the force adjustment device according to the present invention, wherein the bearing seats at both ends are the end bearing seats and the middle part with the slip ring respectively. bearing housing.

10 is a schematic structural diagram of the combination of spur gears + spur planetary gears used in the end unit of the force adjustment device and the middle unit of the force adjustment device of the present invention, wherein the bearing seats at both ends are middle bearing seats with slip rings.

In the figure: 1. The end unit of the force regulating device, 2. The middle unit of the force regulating device, 3. The conversion drum, 4. The elastic connector, 5. The coupling, 6-1, the gear box, 6-2, the ten thousand Knuckle, 1-1, Support shaft, 1-2, End bearing housing, 1-3, Bevel gear set, 1-4, Rope, 1-5, Roller, 1-6, Slip ring, 1-7, Middle bearing seat, 2-3, bevel gear planetary gear set, 3-3, spur gear set, 4-3, combination of spur gear + spur gear planetary gear.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Figures 1 and 2 show a schematic structural diagram of a preferred embodiment of the present invention. In the figure, a multi-point force equalization system with spatial distribution, after the spatial structure adjustment of the device is completed, the whole should be fixed in the required On the lifted load, the multi-point force equalization system includes two end units 1 of the force adjustment device and two middle units of the force adjustment device 2 arranged in space. This embodiment can realize the balance of the four forces in the space, The spatial position of each force regulating device unit can be adjusted appropriately according to the occasion of use, and the number of force points can also be realized by increasing the number of the middle unit 2 of the force regulating device as required. The end unit 1 of the force regulating device is connected with the conversion connecting piece through the coupling 5, the other end of the converting connecting piece is connected with the conversion drum 3 through the coupling 5, and the two ends of the middle unit 2 of the force regulating device are respectively The conversion connector is connected through the coupling 5 and then the conversion drum 3 is connected through the coupling 5. The two conversion drums 3 are connected by the elastic connector 4. The elastic connector 4 is wound on the two conversion drums 3 in opposite ways. ; The ropes 1-4 are wound on the end unit 1 of the force regulating device and the middle unit 2 of the force regulating device and the winding directions of the ropes 1-4 on the adjacent force regulating device are opposite, when a conversion drum 3 rotates clockwise At the time, the adjacent conversion drum 3 can only rotate counterclockwise, and the spatially distributed force is respectively connected with the ropes 1-4 of the end unit 1 of the force regulating device and the middle unit 2 of the force regulating device.

In this embodiment, when the axes of the two conversion drums 3 are parallel, the conversion connection between the conversion drum 3 and the end unit 1 of the force regulating device or the middle unit 2 of the force regulating device is the gear box 6-1 ( For example, the first to fourth conversion connectors from top to bottom in FIG. 1 are all gear boxes 6-1); when the axes of the two conversion drums 3 are not parallel, the conversion drum 3 and the end unit of the force adjustment device 1 or the conversion connection between the middle unit 2 of the force adjustment device is the universal joint 6-2 (for example, the first and second conversion connections from bottom to top in Figure 1 are both universal joints 6-2) .

The elastic connecting member 4 in the embodiment can be a conversion rope 1-4 or a conversion chain. Furthermore, when the elastic connecting member 4 adopts the conversion ropes 1-4, the conversion drum 3 is provided with a spiral rope groove; when the conversion chain is used, the conversion drum 3 is provided with a sprocket.

3 to 10 , the end unit 1 of the force adjustment device and the middle unit 2 of the force adjustment device both include a support shaft 1-1, a bearing seat, a gear train group, a drum 1-5 and a rope 1-4 , the rope 1-4 is wound on the drum 1-5, the drum 1-5 is installed in the middle position of the support shaft 1-1 through the bearing, and the inner side of the drum 1-5 and the bearing seats at both ends are connected by the gear train group. Further, the gear train set can be selected as bevel gear set 1-3, spur gear set 3-3, bevel gear planetary gear set 2-3 or combination of spur gear + spur gear planetary gear 4-3 . In addition, the bearing seat is the end bearing seat 1-2 or the middle bearing seat 1-7 with the slip ring 1-6, the support of each end unit 1 of the force regulating device and the middle unit 2 of the force regulating device At least one of the bearing seats at both ends of the shaft 1-1 is the middle bearing seat 1-7.

The end unit 1 of the force adjusting device and the middle unit 2 of the force adjusting device in Fig. 3 and Fig. 4 both use the bevel gear group 1-3 as the gear train group. A large bevel gear, a plurality of small bevel gears meshing with the large bevel gear are evenly distributed at both ends of the drum 1-5 in the circumferential direction. The two large bevel gears in Fig. 3 are respectively connected with the end bearing seats 1-2 at both ends and the middle bearing seat 1-7 with slip rings 1-6, and the two large bevel gears in Fig. The middle bearing seats 1-7 of the rings 1-6 are connected.

The end unit 1 of the force adjustment device and the middle unit 2 of the force adjustment device in Fig. 5 and Fig. 6 both use the bevel gear planetary gear train group 2-3 as the gear train group, and the specific structure layout is: There is a bevel gear on each side, the two sides of the bevel gear are bevel gear planetary gears, and the outer side of the bevel gear planetary gear is bevel gears, and the planetary gears mesh with the bevel gears on both sides at the same time. The two outermost bevel gears in Fig. 5 are respectively connected with the end bearing seats 1-2 at both ends and the middle bearing seat 1-7 with slip rings 1-6, and the two outermost bevel gears in Fig. 6 are both connected with The middle bearing seats 1-7 with slip rings 1-6 at both ends are connected.

The end unit 1 of the force adjustment device and the middle unit 2 of the force adjustment device in FIGS. 7 and 8 both use the spur gear group 3-3 as the gear train group, and the specific structural layout is as follows: the two sides of the drum 1-5 have There is an outer straight bevel gear and an inner spur gear, and there are two groups of small spur gears meshing with the outer spur gear and the inner spur gear in the drum 1-5 respectively. The external spur gear and the internal spur gear in Fig. 7 are respectively connected with the end bearing housings 1-2 at both ends and the middle bearing housing 1-7 with the slip rings 1-6, while the external spur gear and internal spur gear in Fig. 8 are both connected with The middle bearing seats 1-7 with slip rings 1-6 at both ends are connected.

The end unit 1 of the force adjustment device and the middle unit 2 of the force adjustment device in Fig. 9 and Fig. 10 both use the combination 4-3 of spur gear + spur gear planetary gear as the gear train group, and the specific structural layout is: drum 1- There is a spur gear planetary gear on both sides of 5. There are two sets of external spur gears on the drum 1-5. The outer side of the spur gear planetary gear is an internal spur gear, and the spur gear planetary gear is meshed with the external spur gear and the internal spur gear respectively. . The two outermost internal spur gears in Fig. 9 are respectively connected with the end bearing housings 1-2 at both ends and the middle bearing housing 1-7 with slip rings 1-6, and the two outermost internal spur gears in Fig. 10 are Both are connected to the middle bearing housings 1-7 with slip rings 1-6 at both ends.

The working principle of the present invention: when the tension of the ropes 1-4 on the end unit 1 of the force regulating device is too large, the ropes 1-4 wound on the drum 1-5 in the end unit 1 of the force regulating device will drive the drum 1-5 rotates, the wire rope is released, the rotation of the drum 1-5 drives the conversion connecting piece to rotate through the coupling 5, and the conversion connecting piece drives the conversion drum 3 to rotate through the coupling 5. The winding on 3 is similar to the action of the pulley, so the rotation of the conversion drum 3 will drive the adjacent conversion drum 3 to rotate through the elastic connecting piece 4 . The similar conversion drum 3 will drive the conversion connecting piece to rotate through the coupling 5, and the conversion connecting piece will drive the drums 1-5 on the middle unit 2 of the force adjustment device to rotate through the coupling 5. The winding directions of the ropes 1-4 on the drum 1-5 are opposite. The rotation of the drum 1-5 on the middle unit 2 of the force adjustment device will drive the ropes 1-4 on it to wind. Similarly, a series of intermediate transmission devices can drive adjacent ones. The drums 1-5 on the other force adjustment devices are rotated, so as to release or wind the ropes 1-4 accordingly to adaptively adjust the tension balance at each force. When the tension of the ropes 1-4 on the drums 1-5 in the middle unit 2 of the force adjusting device is too large or too small, the adjustment principle is similar and will not be repeated.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Any simple modifications and equivalent changes made to the above embodiments according to the technical essence of the present invention shall fall into the scope of the present invention. within the scope of protection of the invention.

Claims (6)

1. A multi-point force equalization system of spatial distribution, which is integrally fixed on the load that needs to be lifted, is characterized in that: two force adjustment device end units (1) and several force adjustment devices of spatial layout are included. The middle unit (2), the end unit (1) of the force adjustment device is connected with the conversion connecting piece through the coupling (5), and the other end of the conversion connecting piece is connected with the conversion drum (3) through the coupling (5) , the two ends of the middle unit (2) of the force regulating device are respectively connected to the conversion connector through the coupling (5), and then connected to the conversion drum (3) through the coupling (5), and the two conversion drums (3) pass through The elastic connecting pieces (4) are connected together, and the elastic connecting pieces (4) are wound in opposite ways on the two conversion drums (3); Above the middle unit (2) of the adjustment device and the winding directions of the ropes (1-4) on the adjacent force adjustment devices are opposite, and the spatially distributed forces are respectively the same as those of the end unit (1) of the force adjustment device and the force adjustment device. The ropes (1-4) of the middle unit (2) are connected; When the axes of the two conversion drums (3) are parallel, the conversion connection between the conversion drum (3) and the end unit (1) of the force regulating device or the middle unit (2) of the force regulating device is a gear box (6). -1); when the axes of the two conversion drums (3) are not parallel, the conversion connection between the conversion drum (3) and the end unit (1) of the force regulating device or the middle unit (2) of the force regulating device It is the universal joint (6-2). 2. A spatially distributed multi-point force equalization system according to claim 1, characterized in that: the elastic connecting piece (4) is a conversion rope (1-4) or a conversion chain. 3. A kind of spatially distributed multi-point force equalization system according to claim 2, characterized in that: when the elastic connecting member (4) adopts the conversion rope (1-4), the conversion drum (3) is provided with a spiral Rope groove; when using the conversion chain, the conversion drum (3) is provided with a sprocket. 4. A spatially distributed multi-point force equalization system according to any one of claims 1 to 3, characterized in that: the end unit (1) of the force adjustment device and the middle unit of the force adjustment device (2) All include a support shaft (1-1), a bearing seat, a gear train group, a drum (1-5) and a rope (1-4), and the rope (1-4) is wound on the drum (1-5), The roller (1-5) is installed at the middle position of the support shaft (1-1) through a bearing, and the inner side of the roller (1-5) and the bearing seats at both ends are connected by a gear train group. 5. A spatially distributed multi-point force equalization system according to claim 4, wherein the gear train group is a bevel gear group (1-3), a spur gear group (3-3), Bevel gear planetary gear train group (2-3) or combination of spur gear + spur gear planetary gear (4-3). 6. A spatially distributed multi-point force equalization system according to claim 5, wherein the bearing seat is an end bearing seat (1-2) or a bearing seat with a slip ring (1-6). The middle bearing seat (1-7), at least one of the bearing seats at both ends of the support shaft (1-1) of each end unit (1) of the force regulating device and the middle unit (2) of the force regulating device is a middle bearing seat (1-7).

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