CN212174223U

CN212174223U - Net rack ball hoisting device

Info

Publication number: CN212174223U
Application number: CN201922350969.2U
Authority: CN
Inventors: 邵暄; 郑祥杰; 吴晨辰; 徐珂
Original assignee: Shanghai Mechanized Construction Group Co Ltd
Current assignee: Shanghai Mechanized Construction Group Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-12-18
Anticipated expiration: 2029-12-24

Abstract

A net rack ball hoisting device is used for hoisting a spherical net rack and is characterized by comprising an upper ball ring, a lower ball ring and a connecting chain, wherein the upper ball ring and the lower ball ring are of annular structures, the inner diameter of the upper ball ring and the lower ball ring is smaller than the diameter of the spherical net rack, a plurality of first connecting points are uniformly distributed on the lower ball ring, a plurality of second connecting points are uniformly distributed on the upper ball ring, and the number of the first connecting points is equal to that of the second connecting points; the number of the connecting chains is multiple, two ends of each connecting chain are respectively connected with one first connecting point and one second connecting point, and the connecting chains are detachably connected with the second connecting points; the net rack ball hoisting device can realize hoisting of the net rack ball without adding an auxiliary structure for the net rack ball to be hoisted.

Description

Net rack ball hoisting device

Technical Field

The utility model relates to a steel construction engineering technical field, in particular to rack ball hoist device.

Background

The net frame is a space structure formed by connecting a plurality of rod pieces through nodes according to a certain grid form. The basic units constituting the net rack are triangular pyramid, triangular prism, square, truncated quadrangular pyramid, etc. These basic units can be combined into a planar shape of a triangle, a quadrangle, a hexagon, a circle or any other shape. The device has the advantages of space stress, light weight, high rigidity, good earthquake resistance and the like; the roof can be used as a roof of buildings such as a gymnasium, a movie theater, an exhibition hall, a waiting hall, a stadium stand canopy, an hangar, a bidirectional large-column net rack structure space workshop and the like. The defects are that the number of the rod pieces converged on the node is large, and the manufacturing and installation are more complicated than the plane structure.

At present, in the hoisting process of the steel structure net rack ball, welding lugs are often adopted for hoisting the ball body, and hoisting is carried out in a steel wire rope threading mode. This hoist and mount mode need weld the lug on original rack ball, and the lug is construction measure additional structure, need cut off after the installation, need polish the touch-up paint after cutting off, increases the extra work load of construction, cuts off improper possibility of influential original structure, and the lug is mostly the steel sheet material, cuts off the back at every turn, and the material loss volume is big.

It is therefore desirable to provide a device for lifting a tennis net without adding additional structure to the tennis net.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a net rack ball hoist device uses this net rack ball hoist device can not need to increase the hoist and mount that the additional structure just can realize the net rack ball for the net rack ball of treating hoist and mount.

In order to achieve the above and other related objects, the present invention provides a net rack ball hoisting device for hoisting a spherical net rack, wherein the net rack ball hoisting device comprises an upper ball ring, a lower ball ring and a connecting chain, the upper ball ring and the lower ball ring are of an annular structure, and the inner diameter of the upper ball ring and the lower ball ring is smaller than the diameter of the spherical net rack, a plurality of first connecting points are uniformly distributed on the lower ball ring, a plurality of second connecting points are uniformly distributed on the upper ball ring, and the number of the first connecting points is equal to that of the second connecting points; the quantity of connecting chain is a plurality of, every one is connected respectively at connecting chain both ends first tie point, and one the second tie point, the connecting chain with for dismantling the connection between the second tie point.

Preferably, the number of the connection chains is equal to the number of the first connection points and the second connection points.

Preferably, the number of the connecting chains and the number of the first connecting points and the second connecting points are three.

Preferably, connecting chain one end is connected first tie point, the second tie point is the through-hole structure, the through-hole structure includes locking portion, so that open when locking portion the connecting chain other end can freely pass through the through-hole structure, close when locking portion the connecting chain other end is locked.

Preferably, a plurality of points connected with the first connecting point are distributed on the connecting chain.

Preferably, the connecting chain is of a steel chain structure.

Preferably, the connecting chain is a steel wire rope.

Preferably, the ball upper ring and the ball lower ring are also of a steel chain structure, and the radius of the ball upper ring and the ball lower ring can be adjusted.

Preferably, the upper ball ring and the lower ball ring are steel rings, and the inner diameters of the upper ball ring and the lower ball ring are the same and smaller than the radius of the spherical net rack, which is larger than one-half of the radius of the spherical net rack.

Preferably, the ball upper ring further comprises a hoisting chain, one end of the hoisting chain is fixed on the ball upper ring, and the other end of the hoisting chain is used for connecting a hoisting device.

To sum up, the utility model provides a net rack ball hoisting device, which is used for hoisting a spherical net rack, the net rack ball hoisting device can form a detachable package on the spherical net rack through a ball upper ring, a ball lower ring and a connecting chain positioned in the middle, the package can be directly connected with a hoisting device, thereby realizing hoisting of the spherical net rack without increasing an auxiliary structure; furthermore, because the parcel can be dismantled to the ball is gone up the ring and the ball is encircled the not high requirement of internal diameter down, only need be less than the diameter of the globular rack of hoist and mount strictly can, make the device have very strong commonality, can be applicable to the globular rack of different diameters, be convenient for used repeatedly.

Drawings

Fig. 1 is the utility model provides a rack ball hoist device's schematic diagram.

Wherein the reference numerals are as follows:

10-a spherical net rack; 20- -an annular iron chain on a sphere; 21-a first connection point, 30-an under-ball endless iron chain; 31-a second connection point, 40-a connection iron chain.

Detailed Description

The utility model discloses a core thought utilizes soft structure parcel rack ball to realize lifting by crane of rack ball, has avoided prior art to lift by crane the rack ball and will increase additional structure on the rack ball to soft structure can be applicable to the rack ball of multiple size, has very strong commonality.

In order to make the objects, advantages and features of the present invention clearer, the net rack ball hoisting device provided by the present invention will be described in further detail with reference to fig. 1. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

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.

Examples

Fig. 1 is a schematic view of a net rack ball hoisting device provided by an embodiment of the present invention, which includes an upper ring iron chain 20, a lower ring iron chain 30 and a connecting iron chain 40; three first connecting points 21 are uniformly distributed on the spherical annular iron chain 20, and three second connecting points 31 are uniformly distributed on the spherical annular iron chain 30; the inner diameters of the spherical upper annular iron chain 20 and the spherical lower annular iron chain 30 are smaller than the diameter of the hoisted spherical net rack 10; the first connecting point 21 is connected to three connecting iron chain 40 one end, and the second connecting point 31 of corresponding position is connected to the other end, and the connection between connecting iron chain 40 and first connecting point 21 and second connecting point 31 is detachable connection.

It should be understood by those skilled in the art that the annular structure on the ball and the annular structure under the ball are not limited to the annular iron chain, and may be any annular structure capable of achieving technical effects, such as an annular steel ring; the connecting chain is not limited to the connecting iron chain, and any soft chain or soft rope can be used; the number of the first connection point, the second connection point, and the connection iron chain is not limited to three, and any number that can achieve the technical effect may be used.

During specific implementation, to spherical rack 10 of needs, can place earlier under the ball on annular iron chain 30, be connected three one end of connecting iron chain 40 and the three second tie point 31 on the annular iron chain 30 under the ball, then with the spherical annular iron chain 20 cover in spherical rack 10 upper end, be connected three the other end of connecting iron chain 40 and the spherical three first tie point 21 on the annular iron chain 20, realize closely the parcel to spherical rack 10, because the iron chain structure, hoisting accessory finds the impetus on the iron chain structure very easily, thereby realize hoisting accessory to this spherical rack very easily.

In order to improve the universality of the net rack ball hoisting device, the inventor researches and discovers that the connecting iron chain 40 with enough length can be selected, and a plurality of connecting points which can be detachably connected with the first connecting points 21 are arranged on the connecting iron chain 40 along the length direction of the connecting iron chain 40, so that when the net rack ball hoisting device is applied to a slightly larger spherical net rack 10, the distance between the spherical annular iron chain 20 on the ball and the spherical annular iron chain 30 under the ball is increased, and thus, the connecting points which are higher than the connecting iron chain 40 provided by the utility model can be selected and connected with the first connecting points 21 in a detachable way; when the net rack ball hoisting device is applied to a slightly smaller spherical net rack 10, the distance between the spherical upper annular iron chain 20 and the spherical lower annular iron chain 30 is reduced, so that the connecting point which is slightly lower than the connecting point on the connecting iron chain 40 provided by the utility model can be detachably connected with the first connecting point 21; as long as the net rack ball hoisting device can be used for tightly wrapping the spherical net rack 10 to be hoisted, the connection points on the connection iron chain 40 can be selected at will, so that the device has strong universality.

For further promoting this rack ball hoist device's commonality and the effect of closely wrapping up spherical rack 10, the inventor research discovery, can set up through-hole locking device with first tie point 21 department, second tie point 31 is connected to connecting chain 40 one end, first tie point 21 is the through-hole structure, the through-hole structure includes locking portion, so that the connecting chain 40 other end can freely pass through-hole structure when opening locking portion, the connecting chain 40 other end is locked when closing locking portion, both can realize connecting the arbitrary change of iron chain 40 length between annular iron chain 20 on the ball and the spherical lower annular iron chain 30 like this, the commonality has been promoted, with the dynamics that has improved the locking, spherical rack landing is avoided appearing.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. A net rack ball hoisting device is used for hoisting a spherical net rack and is characterized in that the net rack ball hoisting device comprises an upper ball ring, a lower ball ring and a connecting chain,

the upper ball ring and the lower ball ring are of annular structures, the inner diameter of the upper ball ring is smaller than the diameter of the spherical net rack, a plurality of first connecting points are uniformly distributed on the upper ball ring, a plurality of second connecting points are uniformly distributed on the lower ball ring, and the number of the first connecting points is equal to that of the second connecting points;

the quantity of connecting chain is a plurality of, every one is connected respectively at connecting chain both ends first tie point, and one the second tie point, the connecting chain with for dismantling the connection between the second tie point.

2. The net rack ball lifting device of claim 1, wherein the number of connecting links is equal to the number of first and second connecting points.

3. The net rack ball lifting device of claim 2, wherein the number of the connecting chains and the number of the first and second connecting points are three.

4. The net rack ball hoisting device according to any one of claims 1 to 3, wherein one end of the connecting chain is connected with the second connection point, the first connection point is a through hole structure, and the through hole structure comprises a locking part, so that the other end of the connecting chain can freely pass through the through hole structure when the locking part is opened, and the other end of the connecting chain is locked when the locking part is closed.

5. A rack ball lifting device as recited in any of claims 1 to 3 in which a plurality of points of attachment to the first attachment point are distributed on the attachment chain.

6. The net rack ball hoisting device according to claim 5, wherein the connecting chain is a steel chain structure.

7. The net rack ball hoisting device according to claim 6, wherein the connecting chain is a wire rope.

8. The net rack ball hoisting device according to any one of claims 6 to 7, wherein the ball upper ring and the ball lower ring are also of steel chain structure, and the radius of the ball upper ring and the ball lower ring can be adjusted.

9. The net rack ball hoisting device according to any one of claims 6 to 7, wherein the ball upper ring and the ball lower ring are steel rings, and the inner diameters of the ball upper ring and the ball lower ring are the same and smaller than the radius of the ball net rack by more than one half of the radius of the ball net rack.

10. The net rack ball hoisting device according to claim 9, wherein the ball upper ring further comprises a hoisting chain, one end of the hoisting chain is fixed on the ball upper ring, and the other end of the hoisting chain is used for connecting a hoisting device.