TWI683780B - Crane suspension system - Google Patents

Abstract

A crane suspension system is provided, including a main body, a pylon assembly and a positioning mechanism. The main body is adapted for being disposed on a crane track. The pylon assembly is adapted for an object unit to be hanged thereto. The pylon assembly is liftably connected with the main body by at least one rope. The positioning mechanism has at least one first positioning member and at least one second positioning member. The at least one first positioning member is disposed on the main body. The at least one second positioning member is disposed on the pylon assembly. The at least one first positioning member corresponds to the at least one second positioning member. Each first positioning member isselectively combined with one of the at least one second positioning member. When the pylon assembly is close to the main body within a predetermined distance, the at least one positioning member and the at least one second positioning member are combined with each other, and the pylon assembly is unswingable relative to the main body.

Description

Crane suspension system

The invention relates to an overhead crane, and particularly relates to an overhead crane suspension system.

Manufacturing is one of the important industries for economic development in many countries. For example, Taiwan is a typical manufacturing-oriented country. It is conceivable that there must be a lot of materials, semi-finished products and finished products in and out when manufacturing. Therefore, in order to save labor and shorten the transportation time, a crane is installed in the inside of the plant, and the crane is used to suspend the goods and then move along the track path to the desired location. Such as the cranes disclosed by TWM424333, TWM376566 and TW193351.

In this type of overhead crane suspension system, the system is slid on the track, and at least one hook body is mostly connected to the body by hanging ropes, steel cables and other similar flexible objects. When the user wants to hang an object, the user only needs to hang the hook body on the object to be moved. However, when the above structure is in use, the object to be moved is extremely easy to sway relative to the body during the suspension movement, resulting in easy impact on the surrounding objects or the operator; if you want to reduce the shaking situation, you must reduce the moving speed, and it will inevitably As a result, the production speed is reduced, which makes the industry in a dilemma.

Therefore, it is necessary to provide a novel and progressive crane suspension system to solve the above problems.

The main purpose of the present invention is to provide a crane suspension system that allows the suspension assembly to be limited to the body through the combination of the first and second positioning members, so that the suspension assembly cannot swing relative to the body to ensure that the suspension is suspended from the suspension assembly The object unit can move in a stable state.

To achieve the above object, the present invention provides a crane suspension system, which includes a body, a suspension assembly and a positioning mechanism. The main body is provided for being installed on a one-day vehicle track; the hanging assembly is used for hanging and connecting an object unit, and can be connected to the main body through at least one cable to be liftable relative to the main body; the positioning mechanism includes at least a first positioning member and At least one second positioning member, the at least one first positioning member is disposed on the body, the at least one second positioning member is disposed on the hanging assembly, the at least one first positioning member corresponds to the at least one second positioning member Configuration and selective combination; wherein, when the hanging component is close to the body to a predetermined distance, the first positioning member and the second positioning member are combined to limit the position, so that the hanging component does not face the The body swings.

The following merely illustrates the possible implementation forms of the present invention with examples, but it is not intended to limit the scope of the invention to be protected, and will be described first.

Please refer to FIGS. 1 to 4, which show an embodiment of the present invention. The crane suspension system of the present invention includes a body 1, a suspension assembly 2 and a positioning mechanism.

More specifically, the main body 1 is provided for being installed on a one-day vehicle track; the hanging assembly 2 is used for hanging and connecting an object unit 9, and is connected to the main body 1 via at least one cable 52 so as to be liftable relative to the main body 1. Among them, the body 1 is composed of a plurality of rectangular rods 11 in order to have better supportability and bending resistance, and have a longer service life.

More specifically, the positioning mechanism includes at least one first positioning member 3 and at least one second positioning member 4, the at least one first positioning member 3 is disposed on the body 1, and the at least one second positioning member 4 is disposed on In the hanging assembly 2, the at least one first positioning member 3 and the at least one second positioning member 4 are correspondingly arranged and can be selectively combined. Wherein, when the hanging assembly 2 is close to the body 1 to a predetermined distance, the first positioning member 3 and the second positioning member 4 are combined to limit the position, so that the hanging assembly 2 does not swing relative to the body 1. In other words, the hanging assembly 2 is stably positioned on the body 1 and can be moved at a relatively high speed without worrying about the damage to people, things and objects in the surrounding environment caused by the shaking of the hanging assembly 2, so it has improved operation safety and reduced The advantages of handling time.

In this embodiment, the first positioning member 3 and the second positioning member 4 are combined with each other to limit the position through insertion. In detail, the number of the at least one first positioning member 3 and the number of the at least one second positioning member 4 are two respectively, and each of the first positioning members 3 is provided with a restraining section 31 and an enlarged section 32 connected to each other , The enlarged section 32 is interposed between the restraint section 31 and the hanging assembly 2, when the hanging assembly 2 approaches the body 1 to the predetermined distance, the second positioning member 4 is inserted into the enlarged section 32 and extends into It is limited to the restraining section 31; wherein, the diameter of the enlarged section 32 is larger than the diameter of the restraining section 31.

When the hanging assembly 2 is lifted relative to the body 1, the enlarged section 32 can receive the second positioning member 4 with a larger area, and then the second positioning member 4 can be gradually guided into the restraint section Within 31. In other words, in addition to making the second positioning member 4 easier to insert, the structure of the enlarged section 32 also allows the second positioning member 4 to be accurately aligned with the restraining section 31 from the beginning, allowing greater operation Margin of alignment.

More specifically, each of the first positioning members 3 further includes a first substrate 33, a second substrate 34, two first side plates 35, and two second side plates 36. The first substrate 33 is connected to the body 1, the The second substrate 34 is connected to the first substrate 33, the two first side plates 35 are laterally connected to the first substrate 33 and define the restraining section 31, and the two second side plates 36 are away from each other toward the direction of the hanging assembly 2 The ground is laterally connected to the second substrate 34 and defines the enlarged section 32.

Preferably, the second base plate 34 is diagonally connected to the first base plate 33 so that the enlarged section 32 can have a larger maximum diameter to receive the second positioning member 4; and, when the hanging During the process of the assembly 2 approaching the body 1, the second positioning member 4 can abut against the second base plate 34 and smoothly slide into the restraining section 31 along its shape to achieve the purpose of binding and limiting.

Preferably, a plurality of through-holes 331 are provided in the first substrate 33, and the plurality of through-holes 331 are arranged at intervals along the direction in which the suspension assembly 2 moves upward and downward relative to the main body 1, and each of the through-holes 331 is provided for a fastening The member 8 can be selectively locked to the body 1. In this way, the user can adjust the depth of the second positioning member 4 extending into the restraining section 31 according to requirements or environmental factors.

The second side plate 36 and the second base plate 34 define an insertion opening 37 facing the second positioning member 4, and the first side plate 35, the second side plate 36, the first base plate 33 and The second substrate 34 encloses a lateral opening 38 connected to the insertion opening 37, the opening direction of the lateral opening 38 is transverse to the opening direction of the insertion opening 37, and the lateral opening 38 of the first positioning member 3 Facing each other. Among them, looking at the lateral opening 38, the two second side plates 36 are in the shape of "/\". When the second positioning member 4 extends into the restraining section 31, the two second side plates 36 are sandwiched in one direction to restrict the second positioning member 4 (such as left and right), and the second base plate 34 will The second positioning member 4 is clamped and restricted in the other direction (eg, front and back), so that the hanging assembly 2 cannot swing relative to the body 1 at will.

Preferably, each second positioning member 4 is provided with at least one sliding member 41. When the second positioning member 4 is inserted into the first positioning member 3, each sliding member 41 is used to slide against the first The inner wall of the positioning member 3 enables the second positioning member 4 to move more smoothly and quickly, so as to avoid the occurrence of jamming. Moreover, the outline of each of the sliders 41 is circular, and it is less likely to break or break when a collision occurs.

In this embodiment, the number of the at least one sliding member 41 is two, two of the sliding members 41 are rotatably positioned on the second positioning member 4, and two rotating axes of the sliding members 41 are arranged in a staggered manner, with a view to It has the effect of sliding in two different directions. Among them, one side of the sliding member 41 protrudes from the second positioning member 4, the other side is accommodated in the second positioning member 4, and the other two sides of the sliding member 41 protrude from the second Positioning piece 4.

The hanging assembly 2 includes a main frame body 21 and at least one reinforcing rib 22. Further, each of the reinforcing ribs 22 is connected to the main frame body 21, and the at least one second positioning member 4 is disposed on the at least one Reinforced rib 22. Among them, the outline of the main frame 21 is generally rectangular, and its cross section is circular, which can greatly reduce the damage when an unexpected collision occurs.

Furthermore, the hanging assembly 2 further includes at least one hooking portion 23 for hanging a material rack assembly 7. The at least one hooking portion 23 is located on the main frame 21. After the object unit 9 is placed on the at least one material rack assembly 7, the object unit 9 can move steadily with the hanging assembly 2. In this embodiment, the number of the hooking portions 23 is four, and two or two are provided on both sides of the main frame 21 to support the object unit 9 more uniformly. There are many ways for the at least one hooking portion 23 to be combined with the main frame 21, for example but not limited to, two suspension rods 24 respectively pass through the main frame 21, and then each of the suspension rods 24 protrudes from the main frame 21 The part of the frame 21 forms the hooking portion 23.

It can be understood that the overhead crane suspension system further includes a lifting mechanism 5 including a rotating component 51, the at least one cable 52 and at least one roller 53, the rotating component 51 is rotatably positioned on the body 1. The at least one roller 53 is rotatably positioned on the hanging assembly 2, the cable 52 is slidably passed through the roller 53 and then connected to the rotating assembly 51, the rotating assembly 51 provides a power source 6 (such as The motor 52 is driven to selectively retract or release the cable 52.

In more detail, the rotating assembly 51 is provided with two rotating bodies 511 and a transmission member 512, the two rotating bodies 511 are respectively disposed on two sides of the body 1, the transmission member 512 is connected to the two rotating bodies 511 to make the two The rotating body 511 maintains the same rotation relationship, so that the hanging assembly 2 can be raised and lowered smoothly without tilting and bending. In more detail, the number of the at least one roller 53 is four, and the two pairs are respectively disposed under the two rotating bodies 511. In addition to saving and sharing the force, it is more directly related to the rotating body 511 And a shorter path to avoid the at least one cable 52 being tangled and knotted when actuated.

In summary, the overhead crane suspension system of the present invention is limited to the body 1 through the combination of the suspension components, and does not swing relative to the body, so that it can move stably and quickly with the body. Moreover, the first and second positioning members are combined through insertion, which is very fast and convenient in operation and use. In addition, the structure of the enlarged section allows the first and second positioning members to have a larger space for alignment margin, and the second positioning member can be gradually introduced into the restraint section of the restraining section, which is quite comprehensive and reliable in terms of use.

1‧‧‧Body

11‧‧‧rectangular rod

2‧‧‧Suspending components

21‧‧‧Main frame

22‧‧‧reinforced ribs

23‧‧‧ Design Department

24‧‧‧Suspending rod

3‧‧‧First positioning piece

31‧‧‧ restrained section

32‧‧‧Enlarged section

33‧‧‧The first substrate

331‧‧‧Through hole

34‧‧‧Second substrate

35‧‧‧First side panel

36‧‧‧Second side panel

37‧‧‧Inlet

38‧‧‧Side opening

4‧‧‧Second positioning piece

41‧‧‧sliding parts

5‧‧‧ Lifting mechanism

51‧‧‧Rotating components

511‧‧‧Turn

512‧‧‧ Transmission parts

52‧‧‧Cable

53‧‧‧wheel

6‧‧‧Power source

7‧‧‧ Material rack assembly

8‧‧‧Fixed piece

9‧‧‧Object unit

FIG. 1 is a perspective view of an embodiment of the invention. FIG. 2 is a partial side sectional view of FIG. 1. FIG. 3 is a usage state of an embodiment of the invention. 4 is a partial cross-sectional side view of FIG. 3.

1‧‧‧Body

11‧‧‧rectangular rod

2‧‧‧Suspending components

21‧‧‧Main frame

22‧‧‧reinforced ribs

23‧‧‧ Design Department

24‧‧‧Suspending rod

3‧‧‧First positioning piece

35‧‧‧First side panel

36‧‧‧Second side panel

4‧‧‧Second positioning piece

Claims (3)

An overhead crane suspension system includes: a body for being installed on a day carriage track; a hanging component for an object unit to be hoisted and connected, and connected to the body via at least one cable so as to be liftable relative to the body; The positioning mechanism includes at least one first positioning member and at least one second positioning member, the at least one first positioning member is disposed on the body, the at least one second positioning member is disposed on the hanging component, the at least one first The positioning member is correspondingly arranged with the at least one second positioning member and can be selectively combined. When the hanging component is close to the body to a predetermined distance, the first positioning member and the second positioning member are combined to limit the position , So that the hanging component does not swing relative to the body; a lifting mechanism includes a rotating component, the at least one cable and at least one roller, the rotating component is rotatably positioned on the body, and the at least one roller is rotatably positioned The cable is slidably passed through the roller to be connected to the rotating component. The rotating component is driven by a power source and can selectively retract or release the cable. The rotating component is provided with two A rotating body and a transmission part, the two rotating bodies are respectively arranged on two sides of the body, the transmission part is connected with the two rotating bodies to keep the two rotating bodies in the same rotating relationship; wherein, each second positioning part is provided with At least one sliding member, when the second positioning member is inserted into the first positioning member, each of the sliding members is used to slide against the inner wall of the first positioning member, and each of the first positioning members is provided with a communicating one A restraining section and an enlarged section, the enlarged section is between the restraining section and the hanging assembly, when the hanging assembly is close to the body to the predetermined distance, the second positioning member is inserted into the enlarged section and extends into and Limited to the restraining section, the diameter of the enlarged section is larger than the diameter of the restraining section; wherein, the number of the at least one sliding member is two, the two sliding members are rotatably positioned on the second positioning member, and the two sliding The axis of rotation of the parts is in a staggered configuration, one side of the sliding member protrudes from the second positioning member, the other side is accommodated in the second positioning member, and the two sides of the other sliding member respectively protrude The second positioning member; Wherein, each of the first positioning members further includes a first substrate, a second substrate, two first side plates and two second side plates, the first substrate is connected to the body, and the second substrate is connected to the first substrate, The two first side plates are laterally connected to the first base plate and define the restraining section, and the two second side plates are laterally connected to the second base plate and define the enlarged section away from each other toward the direction of the hanging assembly The second side plate and the second substrate surround an insertion opening facing the second positioning member, the two first side plates, the second side plates, the first substrate and the second substrate surround an insertion connection A lateral opening of the port, the opening direction of the lateral opening is transverse to the opening direction of the insertion port, and the lateral openings of the first positioning member are arranged facing each other; wherein, the second substrate is connected outwardly and diagonally On the first substrate, a plurality of through-holes are provided on the first substrate, the plurality of through-holes are arranged at intervals along the lifting direction of the hanging assembly relative to the body, and each of the through-holes is provided with a fastening member that can be selectively locked Fixed to the body; wherein, the hanging assembly further includes a main frame, at least one reinforcing rib, and at least one hooking portion for hanging a material frame assembly, each of the reinforcing ribs is connected to the main frame, the at least A second positioning member is disposed on the at least one reinforcing rib, and the at least one hooking portion is disposed on the main frame body; wherein, two suspension rods respectively pass through the main frame body, and each of the suspension rods protrudes The portion protruding from the main frame body forms the hooking portion. The crane suspension system according to claim 1, wherein the number of the at least one first positioning member and the number of the at least one second positioning member are two respectively. The crane suspension system according to claim 2, wherein the contour of each sliding member is circular; the number of the at least one roller is four, and two of them are respectively disposed under the two rotating bodies; the main frame The outline of the body is generally rectangular, and its cross section is circular; the number of the hooking portion is four, and two of them are arranged on both sides of the main frame; the system is composed of a plurality of rectangular rods; facing Viewed from the lateral opening, the two second side panels are in the shape of "/\".

Images