CN211594808U

CN211594808U - Crossbeam structure and crane

Info

Publication number: CN211594808U
Application number: CN202021772509.5U
Authority: CN
Inventors: 张志敏; 李行; 付恩泽
Original assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Current assignee: Hunan Sany Medium Lifting Machinery Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-09-29
Anticipated expiration: 2030-08-24

Abstract

The utility model provides a beam structure and hoist relates to the engineering machine tool field, and beam structure includes the roof beam body and tow hook, and the roof beam body is used for being connected with the bumper, and tow hook movably connects in the roof beam body to switch between first state and second state. In the first state, part or all of the towing hook is used for passing through the first hole and protruding out of one side surface of the bumper far away from the beam body. In the second state, all of the tow hooks are located in a side area of the bumper beam close to the beam body. The crane comprises the beam structure. This crossbeam structure and hoist possess not only satisfy the safety requirement but also make things convenient for the beneficial effect of hook.

Description

Crossbeam structure and crane

Technical Field

The utility model relates to an engineering machine tool field particularly, relates to a beam structure and hoist.

Background

At present, a tow hook of a crane is fixed on a cross beam, in the daily running process of the crane, in order to meet the safety requirement, the tow hook cannot exceed the front end face of a bumper, and potential safety hazards exist if the tow hook exceeds the front end face of the bumper during running. However, if the towing hook does not exceed the front end of the bumper, when the actual hooking operation is performed, the steel wire, the rope and other objects are inconvenient to be hung on the towing hook, and the working efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beam structure and hoist, it can improve foretell problem effectively.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment of the present invention provides a beam structure for a crane, where the crane includes a bumper, the bumper is provided with a first hole, the beam structure includes a beam body and a towing hook, the beam body is configured to be connected to the bumper, and the towing hook is movably connected to the beam body to switch between a first state and a second state;

in the first state, part or all of the towing hook is used for passing through the first hole and protruding out of one side surface of the bumper far away from the beam body;

in the second state, all of the tow hooks are positioned in one side area of the bumper close to the beam body.

In an alternative embodiment, the beam body is provided with a second hole for aligning with the first hole, and the tow hook is slidably provided in the second hole along a length direction of the second hole to switch between the first state and the second state.

In an optional embodiment, the beam structure further includes a connecting shaft, the towing hook is provided with a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are arranged at intervals along the length direction of the second hole, and the connecting shaft is detachably connected with the first connecting portion or the second connecting portion;

in the first state, the connecting shaft is simultaneously connected with the first connecting part and the beam body so as to relatively fix the towing hook and the beam body;

and in the second state, the connecting shaft is simultaneously connected with the second connecting part and the beam body so as to relatively fix the towing hook and the beam body.

In an optional embodiment, the beam body includes a first side and a second side opposite to each other, the first side is provided with a first mounting hole, the second side is provided with a second mounting hole, the tow hook is located between the first side and the second side, the first connecting portion is provided with a first connecting hole, and the second connecting portion is provided with a second connecting hole;

in the first state, the connecting shaft is used for sequentially passing through the first mounting hole, the first connecting hole and the second mounting hole;

in the second state, the connecting shaft is used for sequentially penetrating through the first mounting hole, the second connecting hole and the second mounting hole.

In an optional embodiment, the beam further includes a third side, the first side, the third side and the second side are connected in sequence, and the second hole is disposed on the third side.

In an optional embodiment, the number of the first connection holes is multiple, the multiple first connection holes are arranged at intervals along the length direction of the second hole, and when the connection shaft passes through different first connection holes, the length of the side surface of the bumper, which is far away from the beam body, protruding from the towing hook is different.

In an optional embodiment, the beam structure further includes a connecting pin, one end of the connecting shaft is provided with a third connecting hole, and the connecting pin is used for passing through the third connecting hole in the first state or the second state, so that the connecting shaft and the beam body are relatively fixed.

In an alternative embodiment, the tow hook comprises a hook and a connecting rod which are connected with each other, the connecting rod is of a prism structure, the second hole is a cylindrical hole matched with the connecting rod, the connecting rod is slidably arranged in the second hole, and the hook cannot penetrate through the second hole.

In an alternative embodiment, the tow hook is provided with a hook hole through which a preset object is inserted.

In a second aspect, an embodiment of the present invention provides a crane, including the beam structure according to any one of the foregoing embodiments.

The utility model discloses beneficial effect includes, for example:

an embodiment of the utility model provides a beam structure, this transverse connection structure include the roof beam body and tow hook, tow hook and roof beam body swing joint to switch between first state and second state. In the running process of the crane, the beam structure is in the second state, and the towing hook is completely positioned in the area, close to one side of the beam body, of the bumper, so that the safety requirement can be met, and the probability of safety problems is reduced. When carrying out the hook operation, switch into the first state with the second state, under the first state, the part of tow hook or whole first hole that passes the bumper to a side surface of roof beam body is kept away from to the protrusion in the bumper, like this, can make things convenient for articles such as rope, steel wire to hook on the tow hook, reduces the hindrance influence of bumper to the operation of hooking.

The embodiment of the utility model provides a still provides a hoist, this hoist include aforementioned crossbeam structure to possess this crossbeam structure's whole functions. The crane also has the beneficial effects of meeting the safety requirement and facilitating hooking.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a beam structure and a bumper according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a beam body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a tow hook provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting pin according to an embodiment of the present invention.

Icon: 1-a beam structure; 11-a beam body; 111-a second well; 112-a first side; 113-a second side; 114-third side; 115-a first mounting hole; 116-a second mounting hole; 12-a tow hook; 121-a first connection; 122-a second connection; 123-a first connection hole; 124-second connection hole; 125-hook hanging hole; 126-a hook; 127-a connecting rod; 13-a connecting shaft; 131-a third connection hole; 14-a connecting pin; 2-a bumper; 21-first hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present embodiment provides a crane, which includes a machine body, a beam structure 1 and a bumper 2, where the beam structure 1 includes a beam body 11 and a towing hook 12, two ends of the beam body 11 are respectively connected to the machine body and the bumper 2, and the bumper 2 is provided with a first hole 21 for allowing the towing hook 12 to pass through, and specifically, the towing hook 12 is movably connected to the beam body 11 to switch between a first state and a second state.

It should be noted that, in the first state, part or all of the towing hook 12 passes through the first hole 21 of the bumper and protrudes from the surface of the bumper 2 on the side away from the beam 11, so that articles such as ropes and steel wires can be conveniently hooked on the towing hook 12, the blocking effect of the bumper 2 on the hooking operation is reduced, and the working efficiency is improved.

In the second state, the towing hook 12 is entirely positioned in the area of one side of the bumper 2 close to the beam body 11, so that the safety requirement can be met, the safety performance of the crane during running is improved, and the probability of safety accidents is reduced.

In the second state, the tow hook 12 does not contact the side of the bumper 2 close to the beam body 11, and the tow hook 12 does not easily get over the bumper 2 during crane travel, so that damage to the bumper 2 can be reduced.

In this embodiment, the tow hook 12 is provided with a hook hole 125 through which a predetermined object is inserted. It will be appreciated that the predetermined object may be a rope, wire or the like as previously described.

In this embodiment, objects such as rope, steel wire pass hook hole 125 and accomplish the hook operation, and its stability is better, and objects such as rope, steel wire are difficult to break away from couple 126.

In this embodiment, the surface of the bumper 2 on the side away from the beam body 11 is the front end surface of the bumper 2 in the normal crane-placed state. Similarly, the side of the bumper 2 close to the beam body 11 is the rear side of the bumper 2 in the crane normal placement state. The side of the beam 11 close to the bumper 2 is the front side of the beam 11 in the normal placing state of the crane.

It should be noted that, in the present embodiment, the towing hook 12 is switched between the first state and the second state by being translated relative to the beam body 11.

Specifically, referring to fig. 1 and 2, the beam 11 is provided with a second hole 111, the second hole 111 is aligned with the first hole 21, and the towing hook 12 is slidably disposed in the second hole 111 along a length direction of the second hole 111 to switch between the first state and the second state.

It will be appreciated that the tow hook 12 is slidably disposed in the second hole 111, and the second hole 111 provides a guide for the movement of the tow hook 12, and at the same time, the tow hook 12 is more easily inserted into the first hole 21 because the second hole 111 is aligned with the first hole 21.

In this embodiment, the first hole 21 and the second hole 111 are both rectangular prism holes, and the alignment of the first hole 21 and the second hole 111 means that the center line of the first hole 21 coincides with the center line of the second hole 111.

It should be noted that, referring to fig. 2 and 3, in the present embodiment, the towing hook 12 includes a hook 126 and a link 127 connected to each other, the link 127 has a prism structure, and the link 127 is engaged with the second hole 111, so that the link 127 can be effectively prevented from rotating relative to the beam 11. It is understood that, in the present embodiment, the aforementioned hooking hole 125 is provided on the hooking hook 126.

In addition, in the present embodiment, the hook 126 cannot pass through the second hole 111, so that the hook 126 can be prevented from passing through the second hole 111 and the hook 126 and the link 127 can be prevented from being disengaged from the second hole 111 in the process of switching the first state to the second state.

It should be noted that in other embodiments, the towing hook 12 can also be switched between the first state and the second state by rotating relative to the beam 11. For example: the towing hook 12 is hinged with the beam body 11, in a first state, the towing hook 12 rotates out of the first hole 21 and protrudes out of one side, far away from the beam body 11, of the bumper 2, and in a second state, the towing hook 12 rotates again and retracts to a position between the bumper 2 and the beam body 11.

Referring to fig. 2 to 4, in the embodiment, the beam structure 1 further includes a connecting shaft 13, the towing hook 12 is provided with a first connecting portion 121 and a second connecting portion 122, and the first connecting portion 121 and the second connecting portion 122 are disposed at intervals along the length direction of the second hole 111.

It is understood that, in the present embodiment, the length direction of the second hole 111 is the same as the length direction of the tow hook 12, that is, the first connection portion 121 and the second connection portion 122 are disposed at intervals in the length direction of the tow hook 12.

It should be noted that, in the present embodiment, the connecting shaft 13 is detachably connected to the first connecting portion 121, or the connecting shaft 13 is detachably connected to the second connecting portion 122.

Specifically, in the first state, the connecting shaft 13 is connected to both the first connecting portion 121 and the beam 11, so that the tow hook 12 and the beam 11 are relatively fixed. In the second state, the connecting shaft 13 is connected to the second connecting portion 122 and the beam 11 at the same time, so that the tow hook 12 and the beam 11 are relatively fixed.

Specifically, in the present embodiment, the beam 11 includes a first side 112 and a second side 113 that are oppositely disposed, a first mounting hole 115 is disposed on the first side 112, a second mounting hole 116 is disposed on the second side 113, the tow hook 12 is located between the first side 112 and the second side 113, a first connection hole 123 is disposed on the first connection portion 121, and a second connection hole 124 is disposed on the second connection portion 122.

Specifically, in the first state, the connecting shaft 13 is used to sequentially pass through the first mounting hole 115, the first connecting hole 123, and the second mounting hole 116. In the second state, the connecting shaft 13 is used to sequentially pass through the first mounting hole 115, the second connecting hole 124, and the second mounting hole 116.

In this way, the tow hook 12 and the beam 11 can be kept relatively fixed in both the first state and the second state, and relative movement between the tow hook 12 and the beam 11 is not likely to occur.

In other embodiments, the first connecting portion 121 and the second connecting portion 122 may also be provided with a locking groove, a buckle, and the like.

Referring to fig. 2, in the present embodiment, the beam 11 further includes a third side 114, the first side 112, the third side 114 and the second side 113 are sequentially connected, and the second hole 111 is disposed on the third side 114. It will be appreciated that in this embodiment, the first side 112, the third side 114 and the second side 113 in turn enclose a U-shaped cavity through which the connecting shaft 13 passes.

It should be noted that, in the present embodiment, the number of the first connection holes 123 and the second connection holes 124 is one. In other embodiments, the number of the first connection holes 123 may be multiple. For example: a plurality of first connecting holes 123 set up along the length direction interval of second hole 111, and when connecting axle 13 passed different first connecting holes 123, can make tow hook 12 protrusion keep away from the length difference of one side surface of roof beam body 11 in bumper 2 to can adjust the extension length of tow hook 12, with satisfy different operating modes.

Referring to fig. 1 and 4, in the present embodiment, the beam structure 1 further includes a connecting pin 14, and one end of the connecting shaft 13 is provided with a third connecting hole 131.

In the present embodiment, the third connecting hole 131 is provided in the lower half of the connecting shaft 13, and the connecting pin 14 can pass through the third connecting hole 131 and abut against the second side 113 in the first state or the second state, so that the connecting shaft 13 can be prevented from coming off the second mounting hole 116.

Of course, in other embodiments, the third connecting hole 131 may be disposed on the upper half of the connecting shaft 13, so that the connecting pin 14 can be abutted against the first side 112 through the third connecting hole 131.

In summary, the working principle of the beam structure 1 provided by the embodiment is as follows:

in the routine driving process of the crane, the beam structure 1 is in the second state, the connecting shaft 13 sequentially passes through the first mounting hole 115, the second connecting hole 124 and the second mounting hole 116, so that the tow hook 12 and the beam body 11 are relatively fixed, and the connecting pin 14 passes through the third connecting hole 131 and abuts against the second side 113, so that the connecting shaft 13 is prevented from being separated from the second mounting hole 116.

When the hooking operation is required, the connecting pin 14 is detached from the third connecting hole 131, the connecting shaft 13 is detached from the second connecting hole 124 and the second mounting hole 116, the tow hook 12 is moved so that part or all of the tow hook 12 protrudes from the surface of the side away from the bumper 2, then the connecting shaft 13 sequentially passes through the first mounting hole 115, the first connecting hole 123 and the second mounting hole 116, the second state is switched to the first state, and then the connecting pin 14 passes through the third connecting hole 131.

The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A beam structure for a crane, said crane comprising a bumper (2), said bumper (2) being provided with a first hole (21), characterized in that said beam structure comprises a beam (11) and a tow hook (12), said beam (11) being adapted to be connected to said bumper (2), said tow hook (12) being movably connected to said beam (11) for switching between a first state and a second state;

in the first state, part or all of the towing hook (12) is used for passing through the first hole (21) and protruding out of one side surface of the bumper (2) far away from the beam body (11);

in the second state, the entire tow hook (12) is located in a side region of the bumper (2) close to the beam body (11).

2. Beam structure according to claim 1, characterized in that the beam body (11) is provided with a second hole (111), which second hole (111) is intended to be aligned with the first hole (21), and that the tow hook (12) is slidably arranged in the second hole (111) in the length direction of the second hole (111) for switching between the first state and the second state.

3. The beam structure according to claim 2, characterized in that the beam structure further comprises a connecting shaft (13), the towing hook (12) is provided with a first connecting portion (121) and a second connecting portion (122), the first connecting portion (121) and the second connecting portion (122) are arranged at intervals along the length direction of the second hole (111), and the connecting shaft (13) is detachably connected with the first connecting portion (121) or the second connecting portion (122);

in the first state, the connecting shaft (13) is simultaneously connected with the first connecting part (121) and the beam body (11) so as to relatively fix the towing hook (12) and the beam body (11);

in the second state, the connecting shaft (13) is simultaneously connected with the second connecting part (122) and the beam body (11) so as to relatively fix the towing hook (12) and the beam body (11).

4. The beam structure according to claim 3, wherein the beam body (11) comprises a first side (112) and a second side (113) which are oppositely arranged, a first mounting hole (115) is formed in the first side (112), a second mounting hole (116) is formed in the second side (113), the towing hook (12) is located between the first side (112) and the second side (113), a first connecting hole (123) is formed in the first connecting portion (121), and a second connecting hole (124) is formed in the second connecting portion (122);

in the first state, the connecting shaft (13) is used for sequentially passing through the first mounting hole (115), the first connecting hole (123) and the second mounting hole (116);

in the second state, the connecting shaft (13) is used for sequentially passing through the first mounting hole (115), the second connecting hole (124) and the second mounting hole (116).

5. Beam structure according to claim 4, characterized in that the beam body (11) further comprises a third side (114), the first side (112), the third side (114) and the second side (113) being connected in sequence, the second hole (111) being provided on the third side (114).

6. The beam structure according to claim 4, wherein the number of the first connecting holes (123) is plural, the plural first connecting holes (123) are arranged at intervals along the length direction of the second hole (111), and when the connecting shaft (13) passes through different first connecting holes (123), the length of the towing hook (12) protruding from one side surface of the bumper (2) far away from the beam body (11) is different.

7. The beam structure according to claim 4, characterized in that the beam structure further comprises a connecting pin (14), one end of the connecting shaft (13) is provided with a third connecting hole (131), and the connecting pin (14) is used for passing through the third connecting hole (131) in the first state or the second state so as to relatively fix the connecting shaft (13) and the beam body (11).

8. Cross-beam structure according to any of claims 2-7, characterized in that the tow hook (12) comprises a hook (126) and a link (127) connected to each other, the link (127) is of a prismatic structure, the second hole (111) is a cylindrical hole adapted to the link (127), the link (127) is slidably arranged in the second hole (111), and the hook (126) cannot pass through the second hole (111).

9. Beam structure according to any one of claims 1-7, characterized in that the towing hook is provided with hooking holes (125) for the passage of a predetermined object.

10. A crane comprising a beam structure according to any one of claims 1 to 9.