Crane maintenance device

Abstract

The utility model provides a crane maintenance device which comprises a supporting assembly arranged on a carrier, a rotating body rotationally arranged on the supporting assembly, a locking assembly used for locking the rotating body on the supporting assembly and hoisting assemblies oppositely arranged on the two sides of the rotating body, and all the hoisting assemblies are used for hoisting equipment. According to the crane maintenance device, during hoisting, the rotating body is fixed to the supporting assembly through the locking assembly, it is guaranteed that the device is kept stable during hoisting, after equipment is hoisted to the preset height, the locking assembly is detached, and the equipment is rotated to the installation position through the rotating body and the hoisting assembly to be installed, so that the equipment is convenient to maintain and maintain. And equipment needing to be replaced can be conveniently disassembled and assembled in a narrow space.

Description

Technical Field

[0001] The utility model relates to the technical field of suspension cranes, in particular to a crane maintenance device. Background Art

[0002] Suspension cranes are lifting equipment that are horizontally mounted above workshops, warehouses and material yards to lift materials. Both ends of the existing suspension cranes are located on tall concrete columns or metal supports. The bridge of the suspension crane runs longitudinally along the tracks laid on the elevated platforms on both sides. It can make full use of the space under the main beam to lift materials without being hindered by ground equipment. It is currently the most widely used and largest number of lifting machinery.

[0003] At present, during the maintenance of the suspension crane, it is necessary to replace the electric hoist and the trolley (the two are often integrated into one component), the electrical control box, the drive device and other equipment. If the entrance to the maintenance site is not restricted, the electric hoist and the trolley, the electrical control box, the drive device and other equipment can be lifted and replaced using a lifting platform. However, due to the high height, there are great safety hazards during the lifting process.

[0004] In addition, the entrance to some maintenance sites is restricted and large-tonnage lifting platforms cannot enter, making it impossible to safely and efficiently complete the replacement of electric hoists and running trolleys, electrical control boxes, and drive devices. In addition, the space between the suspended crane and the roof is relatively small, making it inconvenient to operate. Utility Model Content

[0005] In view of this, the utility model aims to provide a crane maintenance device to meet the needs of disassembling and assembling equipment that needs to be replaced in a narrow space.

[0006] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0007] A crane maintenance device comprises a support assembly arranged on a carrier, a rotating body arranged on the support assembly, a locking assembly for locking the rotating body on the support assembly, and hoisting assemblies arranged on both sides of the rotating body, each of which is used for hoisting equipment.

[0008] Furthermore, the support assembly includes a base, a column arranged on the base, a connecting shaft arranged on the column for mounting the rotating body, and a supporting portion arranged on the column for supporting the rotating body.

[0009] Furthermore, the supporting portion is provided with a first bearing for supporting the rotating body; and / or, a second bearing is provided on the top of the rotating body, and the rotating body is rotatably arranged on the connecting shaft via the second bearing.

[0010] Furthermore, one end of the connecting shaft is located in the column, and the other end of the connecting shaft passes through the first bearing and the second bearing in sequence into the rotating body.

[0011] Furthermore, the hoisting assembly includes a connecting plate connected to the rotating body, a fixed arm arranged on the connecting plate, and a telescopic arm slidably arranged in at least one of the fixed arms for hoisting the equipment.

[0012] Furthermore, the telescopic arm is provided with two long through holes spaced apart from each other in an upper and lower direction, and the fixed arm is provided with sliding components arranged corresponding to each of the long through holes, and each of the sliding components is slidably disposed in the corresponding long through hole.

[0013] Furthermore, a locking portion for locking is provided between the base and the carrier.

[0014] Furthermore, the locking portion includes two bent plates symmetrically arranged along the width direction of the carrier, and a plurality of fasteners provided on each of the bent plates, and each of the bent plates has at least one fastener respectively connected to the carrier and the supporting assembly.

[0015] Furthermore, each of the bent plates is L-shaped, the long plate of each of the bent plates is connected to the base through at least one of the fasteners, and the short plate of each of the bent plates is connected to the lower side of the carrier through at least one of the fasteners.

[0016] Furthermore, in each of the bent plates, reinforcing ribs are provided between the long plate and the short plate.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] The crane maintenance device described in the utility model, when hoisting, the rotating body is fixed on the supporting assembly by the locking assembly, so as to ensure that the device remains stable during hoisting; after the equipment is hoisted to a preset height, the locking assembly is removed, and the equipment is rotated to the installation position for installation by the rotating body and the hoisting assembly, thereby facilitating the disassembly and assembly of the equipment to be replaced in a small space.

[0019] Furthermore, the setting of the base can increase the contact area with the carrier, increase the contact force, and thus ensure the stable connection of the device. The rotating body is sleeved on the connecting shaft and supported by the supporting part, which can ensure the stable rotation of the rotating body. The setting of the first bearing can support the rotating body, reduce the hard friction between the rotating body and the supporting part, and improve the service life of the device. The setting of the second bearing can ensure that the rotating body can rotate stably around the rotating axis. The position setting of the connecting shaft can ensure the stable rotation of the rotating body relative to the supporting assembly.

[0020] Secondly, the hoisting assembly is connected to the rotating body through the connecting plate, which is conducive to the hoisting assembly and the rotating body forming a stable rotatable whole. The setting of the telescopic arm can hoist the equipment to different positions, which is conducive to the overall flexibility of the lifting device. The telescopic arm is provided with a long through hole, and the fixed arm is provided with a sliding assembly arranged corresponding to the long through hole, thereby ensuring that the telescopic arm slides stably in the fixed arm and can also prevent the telescopic arm from sliding out of the fixed arm.

[0021] In addition, by providing a locking portion, the carrier and the support assembly are fixed together, which is conducive to improving the connection stability between the two. The two bent plates are arranged along the width direction of the carrier, which is conducive to strengthening the locking ability between the carrier and the support assembly. The bent plate is set to be L-shaped, and the side wall of the base and the bottom wall of the carrier are locked at the same time, which is conducive to bearing the bending moment of the side wall of the device and the bottom wall of the carrier, thereby improving the overall stability of the device. Reinforcing ribs are provided between the long plate and the short plate of the bent plate, which is conducive to improving the strength and rigidity of the bent plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of the crane maintenance device according to an embodiment of the utility model;

[0024] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0025] Figure 3 for Figure 1 The enlarged view of point B in the middle;

[0026] Figure 4 This is a schematic diagram of the structure of the support assembly according to an embodiment of the utility model;

[0027] Figure 5 for Figure 4 a side view of the structure shown;

[0028] Figure 6 It is a structural schematic diagram of the rotating body described in the embodiment of the utility model;

[0029] Figure 7 This is a schematic structural diagram of a fixed arm according to an embodiment of the utility model;

[0030] Figure 8 This is a schematic diagram of the structure of the telescopic arm according to an embodiment of the utility model;

[0031] Fig. 9 for Figure 8a side view of the structure shown;

[0032] Fig.10 This is a schematic diagram of the structure of the locking part according to the embodiment of the utility model

[0033] Description of reference numerals:

[0034] 1. Carrier;

[0035] 2. Support assembly; 21. Base; 211. Connection hole; 22. Column; 221. Slot; 23. Connecting shaft; 24. Supporting part; 241. First bearing; 242. First placement groove;

[0036] 3. Rotating body; 31. Second bearing; 32. Flange; 33. Second placement groove;

[0037] 4. Locking assembly;

[0038] 5. Lifting assembly; 51. Connecting plate; 52. Fixed arm; 521. Sliding assembly; 53. Telescopic arm; 531. Long through hole; 532. Pad; 54. Lifting hole;

[0039] 6. locking part; 61. bent plate; 611. long plate; 612. short plate;

[0040] 7. Strengthen the ribs;

[0041] 8. Fasteners; DETAILED DESCRIPTION

[0042] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0043] In the description of the present invention, it should be noted that if there are terms such as "upper", "lower", "inner", "outer" and the like indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first" and "second", they are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] Taking the crane maintenance device described in the present utility model as an example, the directional words such as "up, down, left, right" used in the embodiment are based on Figure 1 The above state is defined based on the up-down direction (also called the height direction) and the left-right direction (also called the width direction).

[0045] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0046] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0047] Embodiment 1

[0048] This embodiment relates to a crane maintenance device to meet the needs of disassembling and assembling the equipment to be replaced in a narrow space. Figure 1 As shown, the crane maintenance device of this embodiment includes a supporting assembly 2 arranged on a carrier 1, a rotating body 3 rotatably arranged on the supporting assembly 2, a locking assembly 4 for locking the rotating body 3 on the supporting assembly 2, and hoisting assemblies 5 relatively arranged on both sides of the rotating body 3, and each hoisting assembly 5 is used for hoisting equipment.

[0049] Here, the equipment is connected to the lifting assembly 5. When lifting, the rotating body 3 is fixed to the supporting assembly 2 by the locking assembly 4 to ensure that the device remains stable during lifting. After lifting to the preset height, the locking assembly 4 is removed, and the equipment is rotated to the installation position through the rotating body 3 for installation. This makes it easy to disassemble and assemble the equipment to be replaced in a small space.

[0050] It is worth mentioning that the locking assembly 4 in this embodiment can adopt products for locking well known to those skilled in the art, such as bolts, pins, etc.

[0051] Based on the above overall introduction, in this embodiment, as a preferred implementation form, Figure 1 and Figure 4 As shown, the support assembly 2 includes a base 21 , a column 22 disposed on the base 21 , a connecting shaft 23 disposed on the column 22 for mounting the rotating body 3 , and a supporting portion 24 disposed on the column 22 for supporting the rotating body 3 .

[0052] Here, the base 21 is provided to increase the contact area with the carrier 1, increase the contact force, and thus ensure the stable connection of the device. The rotating body 3 is sleeved on the connecting shaft 23 and supported by the supporting portion 24, so that the rotating body 3 can rotate stably. In a specific implementation, the circumference of the column 22 is provided with a reinforcing rib 7, and the connection stability between the column 22 and the base 21 can be ensured by providing the reinforcing rib 7.

[0053] In detail, in this embodiment, as a preferred implementation form, Figure 2 As shown, a first bearing 241 for supporting the rotating body 3 is disposed on the supporting portion 24 , and a second bearing 31 is disposed on the top of the rotating body 3 , and the rotating body 3 is rotatably disposed on the connecting shaft 23 via the second bearing 31 .

[0054] Here, the first bearing 241 can support the rotating body 3, reduce the hard friction between the rotating body 3 and the supporting part 24, and improve the service life of the device. The second bearing 31 can ensure that the rotating body 3 can rotate stably around the rotating axis.

[0055] In addition, in this embodiment, as a preferred implementation form, Figure 2 As shown, one end of the connecting shaft 23 is located in the column 22, and the other end of the connecting shaft 23 is sequentially passed through the first bearing 241 and the second bearing 31 to the rotating body 3. Therefore, the structure is reasonable, easy to arrange, and can also ensure that the rotating body 3 rotates stably relative to the supporting assembly 2.

[0056] When implementing it, Figure 2 and Figure 4 As shown, a slot 221 is provided on the column 22, the head of the connecting shaft 23 is placed in the slot 221, a first placement slot 242 is provided on the supporting portion 24, the first bearing 241 is sleeved on the connecting shaft 23 and placed in the first placement slot 242, a second placement slot 33 is provided on the top of the rotating body 3, the second bearing 31 is arranged in the second placement slot 33, and the tail of the connecting shaft 23 is penetrated by the first bearing 241 and the second bearing 31 in sequence.

[0057] It should be noted that the relevant structural parts not mentioned in the crane maintenance device of this embodiment can refer to the various structures of the crane maintenance device in the prior art, such as the flanges 32 arranged on both sides of the rotating body 3, the multiple pads 532 arranged on the periphery of the telescopic arm 53, and the lifting holes 54 opened on the telescopic arm 53 and the fixed arm 52.

[0058] Secondly, in this embodiment, as a preferred implementation form, Figure 1 and Figure 7 As shown, the hoisting assembly 5 includes a connecting plate 51 connected to the rotating body 3, a fixed arm 52 arranged on the connecting plate 51, and a telescopic arm 53 slidably arranged in at least one fixed arm 52 for hoisting equipment.

[0059] It can be understood that the hoisting assembly 5 is composed of a connecting plate 51, a fixed arm 52 and a telescopic arm 53. In specific implementation, the connecting plate 51 and the flange 32 are connected by bolts, and the hoisting assembly 5 is installed on the rotating body 3 through the connecting plate 51 and the flange 32. The hoisting assembly 5 cooperates with the rotating body 3 to form a stable rotatable whole, and the equipment can be hoisted to different positions, which is conducive to the overall flexibility of the lifting device. In addition, in the specific structure, the peripheral side of the fixed arm 52 is provided with a reinforcing rib 7, thereby improving the connection strength between the fixed arm 52 and the connecting plate 51.

[0060] Furthermore, in this embodiment, as a preferred implementation form, Figure 8 As shown, the telescopic arm 53 is provided with two long through holes 531 spaced apart from each other, and the fixed arm 52 is provided with sliding components 521 arranged corresponding to each long through hole 531 , and each sliding component 521 is slidably disposed in the corresponding long through hole 531 .

[0061] The advantage of such a configuration is that it can ensure that the telescopic arm 53 slides stably in the fixed arm 52, and can also limit the telescopic arm 53 to ensure that the telescopic arm 53 does not slide out of the fixed arm 52 when sliding.

[0062] It is worth mentioning that the sliding assembly 521 can use bolts, latches and other products known to those skilled in the art, which can ensure that the telescopic arm 53 slides in the fixed arm 52. In the specific structure, the sliding assembly 521 can use multiple bolts, and the number of bolts can be set according to actual needs, such as six or eight bolts arranged at intervals.

[0063] In addition, in this embodiment, as a preferred implementation form, Figure 3 As shown, a locking portion 6 for locking is provided between the base 21 and the body. Here, by providing the locking portion 6, the carrier 1 and the supporting assembly 2 are fixed together, which is beneficial to improve the connection stability between the two.

[0064] Specifically, in this embodiment, as a preferred implementation form, Figure 3 and Fig.10 As shown, the locking portion 6 includes two bent plates 61 symmetrically arranged along the width direction of the carrier 1, and a plurality of fasteners 8 provided on each bent plate 61, and each bent plate 61 has at least one fastener 8 respectively connected to the carrier 1 and the support assembly 2. Thus, the locking ability between the carrier 1 and the support assembly 2 is enhanced, and the overall stability of the device is improved.

[0065] Among them, as a preferred implementation form, Fig.10As shown, the bent plate 61 of this embodiment is L-shaped, the long plate 611 of each bent plate 61 is connected to the base 21 through at least one fastener 8, and the short plate 612 of each bent plate 61 is connected to the lower side of the carrier 1 through at least one fastener 8.

[0066] Here, the bent plate 61 is set to be L-shaped, and the side wall and the bottom wall of the base 21 are locked at the same time, which is conducive to bearing the bending moment of the side wall of the device and the bottom wall of the carrier 1, thereby improving the overall stability of the device.

[0067] It should be noted that the fastener 8 can be a bolt product well known to those skilled in the art. In specific implementation, the long plate 611 is screwed to the connection hole 211 on the side wall of the base 21. At the same time, the short plate 612 is provided with bolts. After the long plate 611 is screwed to the side wall of the base 21, the bolts on the short plate 612 are tightened until they abut against the bottom wall of the carrier 1. In addition, the specific number of bolts on each bent plate 61 can be set to four, that is, two are provided on the long plate 611 and two are provided on the short plate 612.

[0068] In addition, in this embodiment, as a preferred implementation form, Fig.10 As shown, in each curved plate 61, a reinforcing rib 7 is provided between the long plate 611 and the short plate 612. Here, the reinforcing rib 7 is provided between the long plate 611 and the short plate 612 to enhance the strength and rigidity of the curved plate 61, thereby ensuring the connection stability between the device and the carrier 1.

[0069] When the crane maintenance device of this embodiment is implemented, when replacing the electric hoist, the hand hoist is installed on the lifting hole 54 of the fixed arm 52, and after the electric hoist is connected to the hand hoist, the electric hoist to be replaced is removed and lowered to the ground, and then the new electric hoist is hoisted to the preset position to complete the installation.

[0070] When installing the electrical control box, install the electrical control box on the lifting hole 54 of the telescopic arm 53. At this time, the rotating body 3 and the supporting assembly 2 are fixed by the locking assembly 4. After the electrical control box is lifted to a preset height by a hand winch, the locking assembly 4 is removed, and the electrical control box is moved to the installation position for installation by rotating the rotating body 3 and the lifting assembly 5.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crane maintenance device, characterized in that: It includes a supporting assembly arranged on a carrier, a rotating body rotatably arranged on the supporting assembly, a locking assembly for locking the rotating body on the supporting assembly, and hoisting assemblies relatively arranged on both sides of the rotating body, each of which is used for hoisting equipment.

2. The crane maintenance device according to claim 1, characterized in that: The supporting assembly includes a base, a column arranged on the base, a connecting shaft arranged on the column for mounting the rotating body, and a supporting portion arranged on the column for supporting the rotating body.

3. The crane maintenance device according to claim 2, characterized in that: The supporting portion is provided with a first bearing for supporting the rotating body; and / or, a second bearing is provided on the top of the rotating body, and the rotating body is rotatably arranged on the connecting shaft via the second bearing.

4. The crane maintenance device according to claim 3, characterized in that: One end of the connecting shaft is located in the column, and the other end of the connecting shaft passes through the first bearing and the second bearing in sequence to the rotating body.

5. The crane maintenance device according to claim 1, characterized in that: The hoisting assembly comprises a connecting plate connected to the rotating body, a fixed arm arranged on the connecting plate, and a telescopic arm slidably arranged in at least one of the fixed arms for hoisting the equipment.

6. The crane maintenance device according to claim 5, characterized in that: The telescopic arm is provided with two long through holes spaced apart from each other in an upper and lower direction, and the fixed arm is provided with sliding components arranged corresponding to the long through holes, and each sliding component is slidably arranged in the corresponding long through hole.

7. The crane maintenance device according to claim 2, characterized in that: A locking portion for locking is provided between the base and the carrier.

8. The crane maintenance device according to claim 7, characterized in that: The locking portion includes two bent plates symmetrically arranged along the width direction of the carrier, and a plurality of fasteners provided on each of the bent plates, and each of the bent plates has at least one fastener respectively connected to the carrier and the supporting assembly.

9. The crane maintenance device according to claim 8, characterized in that: Each of the bent plates is L-shaped, the long plate of each of the bent plates is connected to the base through at least one of the fasteners, and the short plate of each of the bent plates is connected to the lower side of the carrier through at least one of the fasteners.

10. The crane maintenance device according to claim 9, characterized in that: In each of the bent plates, reinforcing ribs are provided between the long plates and the short plates.

Images