CN117804910A

CN117804910A - Suspension ring tensile test device

Info

Publication number: CN117804910A
Application number: CN202211166042.3A
Authority: CN
Inventors: 黄浩文; 宫清; 何超平; 周柳英
Original assignee: Guangzhou Wenchong Shipyard Co Ltd
Current assignee: Guangzhou Wenchong Shipyard Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2024-04-02

Abstract

The invention belongs to the technical field of lifting rings and discloses a lifting ring tensile test device, wherein a supporting component of the lifting ring tensile test device comprises supporting legs and supporting plates connected to the supporting legs, the supporting legs are used for supporting the top wall, the supporting plates can be kept fixed relative to the supporting legs along the vertical direction, each lifting ring connecting component comprises a lifting ring connecting rod and a first nut which is connected with the lifting ring connecting rod through threads, each lifting ring connecting rod is used for being connected with the lifting ring and extends along the vertical direction, each hydraulic ram comprises a fixed end and a piston end, each fixed end is abutted to the lower surface of the supporting plate along the vertical direction, each piston end is abutted to the upper surface of the first nut along the vertical direction, and a user can apply pressure to the first nut along the vertical direction by injecting hydraulic oil into the hydraulic ram, and each fixed end is abutted to the lower surface of the supporting plates, so that the tensile force born by the lifting ring can be calculated according to the pressure applied by the hydraulic ram to the first nut.

Description

Suspension ring tensile test device

Technical Field

The invention relates to the technical field of lifting rings, in particular to a lifting ring tension test device.

Background

A lifting ring is usually arranged on the top wall of the ship cabin so as to lift other equipment or structures, and the lifting ring needs to bear certain tensile force in the lifting process. However, for the lifting ring which is used for many times, the lifting ring is inevitably knocked or damaged, in addition, volatile grease and acidic substances are mixed in the air in the cabin, the lifting ring is corroded, the tensile force born by the lifting ring is reduced, and the lifting requirement cannot be met.

At present, the verification of the tension of the lifting ring is mostly verified by manually operating a tension meter, but the whole process is time-consuming and labor-consuming, is influenced by human factors, and often leads to inaccurate test structure. In addition, prior art provides a scheme that uses the automobile crane to inspect rings and bear tensile, but in this scheme, the automobile crane only can be applicable to scene such as sign indicating number head, and rings and connection structure need set up subaerial, can't test to the rings that set up at cabin roof.

Disclosure of Invention

According to one aspect of the invention, the invention provides a lifting ring tension test device, which aims to solve the problems that in the prior art, manual detection of lifting ring tension is time-consuming and labor-consuming, an automobile crane is only suitable for a stacking head and other scenes, and test cannot be performed on lifting rings arranged on the top wall of a cabin.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the rings tensile test device for install in rings and support the roof in cabin, rings install in the roof includes:

a support assembly including support legs for supporting on the top wall and a support plate connected to the support legs, the support plate being capable of being held stationary relative to the support legs in a vertical direction;

the lifting ring connecting assembly comprises a lifting ring connecting rod and a first nut which is connected with the lifting ring connecting rod in a threaded manner, and the lifting ring connecting rod is used for being connected with the lifting ring and extends along the vertical direction;

the hydraulic ram comprises a fixed end and a piston end, wherein the fixed end is abutted to the lower surface of the supporting plate in the vertical direction, and the piston end is abutted to the upper surface of the first nut in the vertical direction.

As the preferential scheme of rings tensile test device, the supporting leg include support base and connect in support base's bracing piece, support base is used for supporting the roof, the bracing piece extends along vertical direction, the backup pad can be followed vertical direction for the bracing piece keeps fixed, support base's cross section area is greater than the area of the cross section of bracing piece.

As the preferred scheme of rings tensile test device, the supporting leg still includes two second nuts, two equal threaded connection of second nut in the bracing piece, the bracing piece wears to locate the backup pad, the backup pad is located two between the second nut, two the second nut all with backup pad butt.

As a preferable scheme of the lifting ring tensile test device, the supporting plate is provided with a waist-shaped hole, and the supporting rod penetrates through the waist-shaped hole.

As the preferable scheme of rings tensile test device, support the base and have the bracing piece mounting hole, the bracing piece peg graft in the bracing piece mounting hole.

As the preferable scheme of rings tensile test device, the supporting leg is provided with a plurality of, and a plurality of the supporting leg all is used for supporting the roof.

As the preferable scheme of rings tensile test device, rings have the lifting eye, rings coupling assembling still includes eye board connecting piece and connecting bolt, the eye board connecting piece has two connecting holes that the central line coincides, connecting bolt passes in proper order one connecting hole, lifting eye and another the connecting hole, the rings connecting rod connect in the eye board connecting piece.

As the preferable scheme of rings tensile test device, eye board connecting piece has the holding tank, two the connecting hole all with the holding tank intercommunication, the holding tank is used for holding rings.

As the preferential scheme of rings tensile test device, the holding tank has two cell walls that parallel and interval set up, two the connecting hole is seted up respectively two the cell wall, two the height of cell wall is different.

As the preferable scheme of rings tensile test device, the hydraulic ram has first through-hole, rings connecting rod wears to locate first through-hole.

The beneficial effects of the invention are as follows:

the invention provides a lifting ring tensile test device, wherein a supporting component of the lifting ring tensile test device comprises supporting legs and supporting plates connected with the supporting legs, the supporting legs are used for supporting the top wall, and the supporting plates can be kept fixed relative to the supporting legs along the vertical direction so as to be supported on the top wall of a cabin. The lifting ring connecting assembly comprises a lifting ring connecting rod and a first nut which is connected with the lifting ring connecting rod in a threaded manner, wherein the lifting ring connecting rod is used for being connected with the lifting ring and extends along the vertical direction, so that the lifting ring tensile test device is connected with the lifting ring. The hydraulic ram includes stiff end and piston end, the stiff end along vertical direction butt in the below surface of backup pad, the piston end along vertical direction butt in the top surface of first nut, the mode of user's accessible to hydraulic ram injection hydraulic oil pressurization makes the piston end apply pressure to first nut along vertical direction, the stiff end supports in the below surface of backup pad simultaneously, apply effort to the backup pad, effort to the backup pad is finally acted on the roof of cabin through supporting component, thereby can calculate the pulling force that obtains rings to bear according to the size of the pressure that the hydraulic ram was applyed to first nut, and then judge whether the pulling force of rings can satisfy actual demand.

Drawings

FIG. 1 is a schematic diagram of a suspension ring tensile test apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram II of a suspension ring tensile test device according to an embodiment of the present invention;

FIG. 3 is a schematic front view of an eye plate attachment in accordance with an embodiment of the invention;

FIG. 4 is a cross-sectional view of an eye plate attachment in an embodiment of the invention;

FIG. 5 is a schematic top view of a support plate in an embodiment of the invention;

FIG. 6 is a cross-sectional view of a support plate in an embodiment of the invention;

FIG. 7 is a schematic view of a supporting base according to an embodiment of the present invention;

fig. 8 is a schematic view of another structure of a support base according to an embodiment of the present invention.

In the figure:

100. a hanging ring; 200. a top wall;

1. a support assembly; 11. support legs; 111. a support base; 1111. a base body; 1112. a sleeve; 1113. a support rod mounting hole; 112. a support rod; 113. a second nut; 12. a support plate; 121. a waist-shaped hole; 122. a second through hole;

2. a hanging ring connecting component; 21. a lifting ring connecting rod; 22. a first nut; 23. an eye plate connector; 231. a connection hole; 232. a receiving groove; 2321. a groove wall; 233. a threaded hole; 24. a connecting bolt;

3. and a hydraulic ram.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The top wall of the ship cabin is usually provided with a hanging ring, however, the hanging ring is affected by factors such as collision and corrosion, the tension born by the hanging ring can be reduced, and the lifting requirement can not be met. At present, the verification of the tension of the lifting ring is mostly verified by manually operating a tension meter, but the whole process is time-consuming and labor-consuming, is influenced by human factors, and often leads to inaccurate test structure. In addition, prior art provides a scheme that uses the automobile crane to inspect rings and bear tensile, but in this scheme, the automobile crane only can be applicable to scene such as sign indicating number head, and rings and connection structure need set up subaerial, can't test to the rings that set up at cabin roof.

To above-mentioned problem, this embodiment provides rings tensile test device to manual inspection rings pulling force among the solution prior art wastes time and energy, and the automobile crane can only be applicable to scene such as sign indicating number head, can't carry out experimental problem to the rings that set up at cabin roof, can be used to rings technical field.

Referring to fig. 1-2, the lifting ring tensile test device is used for being mounted on the lifting ring 100 and supported on the top wall 200 of the cabin, the lifting ring 100 is mounted on the top wall 200, and the lifting ring 100 is provided with a lifting hole for lifting a heavy object. The lifting ring tensile test device comprises a supporting component 1 and a lifting ring connecting component 2, wherein the supporting component 1 comprises supporting legs 11 and supporting plates 12 connected to the supporting legs 11, and the supporting legs 11 are used for being supported on a top wall 200, and particularly are abutted to the top wall 200 along the vertical direction. The support plate 12 can remain fixed in the vertical direction relative to the support legs 11 and thus be supported in the top wall 200 of the hold. The lifting ring connecting assembly 2 comprises a lifting ring connecting rod 21 and a first nut 22 which is connected with the lifting ring connecting rod 21 in a threaded manner, wherein the lifting ring connecting rod 21 is used for being connected with the lifting ring 100 and extends along the vertical direction, so that the lifting ring tensile test device is connected with the lifting ring 100.

With continued reference to fig. 1-2, the suspension ring tensile test apparatus further includes a hydraulic ram 3, the hydraulic ram 3 including a fixed end and a piston end, the fixed end being vertically abutted against the lower surface of the support plate 12, the piston end being vertically abutted against the upper surface of the first nut 22. The user can make the piston end apply pressure to first nut 22 along vertical direction through the mode of filling hydraulic oil pressurization to hydraulic ram 3, and the stiff end supports the below surface at backup pad 12 simultaneously, applies effort to backup pad 12, and the effort that is applied to backup pad 12 finally acts on the roof 200 of cabin through supporting component 1 to can calculate the pulling force that obtains rings 100 to bear according to the size of the pressure that hydraulic ram 3 applyed first nut 22, and then judge whether the pulling force of rings 100 can satisfy actual demand. Specifically, the magnitude of the tension force borne by the suspension ring 100 is equal to the sum of the pressure force exerted by the hydraulic ram 3 on the first nut 22 and the gravity force of the suspension ring tension test device.

With continued reference to fig. 1-2, the support leg 11 includes a support base 111 and a support bar 112 connected to the support base, the support base 111 is used for supporting at the top wall 200, the support bar 112 extends in a vertical direction, the support bar 12 can remain fixed relative to the support bar 112 in the vertical direction, and the cross-sectional area of the support base 111 is larger than that of the support bar 112, so that the cross-sectional area of the support base 111 for direct contact with the top wall 200 is larger, to obtain a more stable support effect, and prevent the support leg 11 from toppling due to unstable stress.

With continued reference to fig. 1-2, the support leg 11 further includes two second nuts 113, where the two second nuts 113 are both screwed to the support rod 112, the support rod 112 is disposed through the support plate 12, the support plate 12 is located between the two second nuts 113, and the two second nuts 113 are both abutted to the support plate 12. Specifically, the support plate 12 abuts against the lower surface of the second nut 113 located above the support plate 12, and abuts against the upper surface of the second nut 113 located below the support plate 12. In this embodiment, the position of the support plate 12 can be adjusted by screwing the first nut 22 and screwing the second nut 113, so that the suspension ring connecting assembly 200 can be connected to the suspension ring 100, and the support assembly 1 can be just abutted to the top wall 200.

Alternatively, the position of the support plate 12 may be controlled by a hydraulic rod, with a fixed end of the hydraulic rod fixedly disposed on the support rod 112 and a piston end of the hydraulic rod fixedly disposed on the support plate 12.

With continued reference to fig. 1-2, the support legs 11 are provided in a plurality, and the plurality of support legs 11 are each adapted to be supported on the top wall 200 to enhance the support effect. Optionally, two supporting legs 11 are provided, the two supporting legs 11 are respectively located at two sides of the hanging ring connecting assembly 2, in order to adapt to the structure, the section of the supporting plate 12 is rectangular, and the two supporting legs 11 are arranged at intervals along the length direction of the supporting plate 12. Fig. 1 and 2 show two forms of connection of the suspension ring tensile test device and the suspension ring 100, respectively, in fig. 1, the center line of the suspension hole 100 is parallel to the length direction of the support plate 12, and in fig. 2, the center line of the suspension hole 100 is perpendicular to the length direction of the support plate 12.

With continued reference to fig. 1-2, the hydraulic ram 3 has a first through hole, and the lifting ring connecting rod 21 is disposed through the first through hole, so that the lifting ring connecting rod 21 can perform a certain limit on the hydraulic ram 3, and the hydraulic ram 3 is prevented from being toppled over due to unstable stress when the piston end applies pressure to the first nut 22.

Referring to fig. 1-4, the specific structure of the connection between the lifting ring connecting rod 21 and the lifting ring 100 is that the lifting ring connecting assembly 2 further includes an eye plate connecting piece 23 and a connecting bolt 24, the eye plate connecting piece 23 has two connecting holes 231 with central lines coincident, the connecting bolt 24 sequentially passes through one connecting hole 231, a lifting hole and the other connecting hole 231, the lifting ring connecting rod 21 is connected to the eye plate connecting piece 23, specifically, the eye plate connecting piece 23 is provided with a threaded hole 233, and the lifting ring connecting rod 21 is in threaded connection with the eye plate connecting piece 23. The two ends of the connecting bolt 24 respectively pass through the two connecting holes 231 of the eye plate connecting piece 23, and the middle part passes through the lifting hole, so that the connection between the lifting ring connecting assembly 2 and the lifting ring 100 can be stable, and the lifting ring connecting assembly is convenient to detach.

With continued reference to fig. 1-4, the eye plate connector 23 has a receiving slot 232, with both connecting holes 231 communicating with the receiving slot 232, the receiving slot 232 for receiving the eye 100. Thereby accommodating the lifting ring 100 through the accommodating groove 232, and saving space occupation.

With continued reference to fig. 1-4, the accommodating groove 232 has two parallel groove walls 2321 disposed at intervals, and the two connecting holes 231 are respectively formed on the two groove walls 2321, in this embodiment, the heights of the two groove walls 2321 are the same, so as to make the structural appearance neat. In some cases, the height of the top wall 200 near the sling 100 is different, and in other embodiments, the heights of the two slot walls 2321 are different in order to accommodate this configuration.

Referring to fig. 1-2, and 5-6, the support plate 12 has a waist-shaped hole 121, and the support rod 112 passes through the waist-shaped hole 121 to facilitate adjusting the position of the support rod 112 relative to the support plate 12 and the position of the support base 111 supported on the top wall 200. In addition, the support plate 12 has a second through hole 122 for facilitating the passage of the eye link 21. Optionally, the second through hole 122 is located in a central region of the support plate 12.

Referring to fig. 1-2, and fig. 7-8, the support base 111 has a support rod mounting hole 1113, and the support rod 112 is inserted into the support rod mounting hole 1113. The specific structure of the supporting base 111 includes the following two types:

one of the structures is shown in fig. 7, in which the support base 111 includes a base body 1111 and a sleeve 1112 protruding from the base body 1111, wherein the base body 1111 is used for supporting the top wall 200, the support rod mounting hole 1113 is formed in the sleeve 1112, and the support base 111 is stably connected to the support rod 11.

As shown in fig. 8, the support base 111 has a cylindrical shape, and the support rod mounting hole 1113 is directly formed in the support base 111, so that the overall structure of the support base 111 is simple.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The utility model provides a rings tensile test device for install in rings (100) and support roof (200) in cabin, rings (100) install in roof (200), its characterized in that includes:

-a support assembly (1) comprising support legs (11) and a support plate (12) connected to said support legs (11), said support legs (11) being intended to be supported on said top wall (200), said support plate (12) being capable of being held stationary in a vertical direction with respect to said support legs (11);

the lifting ring connecting assembly (2) comprises a lifting ring connecting rod (21) and a first nut (22) which is connected with the lifting ring connecting rod (21) in a threaded manner, wherein the lifting ring connecting rod (21) is used for being connected with the lifting ring (100) and extends along the vertical direction;

the hydraulic ram (3) comprises a fixed end and a piston end, wherein the fixed end is abutted to the lower surface of the supporting plate (12) along the vertical direction, and the piston end is abutted to the upper surface of the first nut (22) along the vertical direction.

2. The lifting ring tensile test device according to claim 1, characterized in that the supporting leg (11) comprises a supporting base (111) and a supporting rod (112) connected to the supporting base, the supporting base (111) is used for being supported on the top wall (200), the supporting rod (112) extends along the vertical direction, the supporting plate (12) can be kept fixed relative to the supporting rod (112) along the vertical direction, and the area of the cross section of the supporting base (111) is larger than the area of the cross section of the supporting rod (112).

3. The lifting ring tensile test device according to claim 2, wherein the supporting leg (11) further comprises two second nuts (113), the two second nuts (113) are both in threaded connection with the supporting rod (112), the supporting rod (112) is arranged in the supporting plate (12) in a penetrating manner, the supporting plate (12) is located between the two second nuts (113), and the two second nuts (113) are both in abutting connection with the supporting plate (12).

4. The lifting ring tensile testing device according to claim 2, characterized in that the supporting plate (12) has a waist-shaped hole (121), and the supporting rod (112) passes through the waist-shaped hole (121).

5. The lifting ring tensile test device according to claim 2, wherein the supporting base (111) is provided with a supporting rod mounting hole (1113), and the supporting rod (112) is inserted into the supporting rod mounting hole (1113).

6. The lifting ring tensile testing device according to claim 1, characterized in that a plurality of supporting legs (11) are provided, a plurality of supporting legs (11) being arranged to be supported on the top wall (200).

7. The lifting ring tensile test device according to claim 1, wherein the lifting ring (100) is provided with a lifting hole, the lifting ring connecting assembly (2) further comprises an eye plate connecting piece (23) and a connecting bolt (24), the eye plate connecting piece (23) is provided with two connecting holes (231) with central lines coincident, the connecting bolt (24) sequentially penetrates through one connecting hole (231), the lifting hole and the other connecting hole (231), and the lifting ring connecting rod (21) is connected to the eye plate connecting piece (23).

8. The lifting ring tensile test device according to claim 7, characterized in that the eye plate connecting piece (23) is provided with a receiving groove (232), the two connecting holes (231) are communicated with the receiving groove (232), and the receiving groove (232) is used for receiving the lifting ring (100).

9. The lifting ring tensile test device according to claim 8, wherein the accommodating groove (232) is provided with two groove walls (2321) which are parallel and arranged at intervals, the two connecting holes (231) are respectively formed in the two groove walls (2321), and the heights of the two groove walls (2321) are different.

10. The lifting ring tensile test device according to claim 1, characterized in that the hydraulic ram (3) is provided with a first through hole, and the lifting ring connecting rod (21) is arranged through the first through hole.