Maintenance platform for suspension crane

Abstract

The utility model discloses a maintenance platform for an underslung crane, which is characterized in that a walking board mechanism is arranged on the top surface of a main beam along the length direction of the main beam and is used for a worker to walk on the main beam through the walking board mechanism; the installation supporting mechanism is arranged at the end of the main beam and used for supporting installation of the overhauling mechanism. The overhauling mechanism comprises two overhauling platforms which are symmetrically arranged at the two ends, located on the main beam, of the installation supporting mechanism and used for overhauling the motor and the electric cabinet. The utility model discloses a maintenance platform for an underslung crane, which is characterized in that two maintenance platforms are mounted on two side surfaces of one end of a main beam, so that operators can conveniently and quickly enter and exit from a maintenance working area to perform maintenance operation; and the motors and the electric control box on the two sides of the main beam can be checked at the same time, convenience, rapidness, safety and reliability are achieved, and danger and space limitation caused by using equipment such as a ladder frame are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane maintenance equipment technical field especially, it relates to a kind of overhauling platform for suspension crane. BACKGROUND

[0002] For the overhauling of suspension crane, maintenance personnel usually climbs to corresponding position for maintenance by ladder or scaffold;This method is simple and easy to operate, but there are problems such as easy to tip over with too large inclination, relatively low safety, especially when high-altitude operation, risk is larger, affect operation safety;And it occupies larger space on ground, affect the performance of other work on ground;The overhauling of suspension crane usually needs to consume longer time, and the stability of ladder is also highly required in the overhauling process.

[0003] On the other hand, ladder operation needs professional operator, operation is concentrated, and the degree of automation is high, and the skill requirement of operator is higher, and various parameters and control systems need to be closely observed in the operation process, which increases the complexity of operation.

[0004] Therefore, it is important to design a safe and stable, convenient to use overhauling platform for carrying maintenance personnel and tool, so that maintenance personnel can safely and quickly overhaul the motor and electric control box of crane. CONTENT OF UTILITY MODEL

[0005] In view of the above defects or deficiencies in the prior art, it is desirable to provide an overhauling platform for suspension crane.

[0006] The utility model provides an overhauling platform for suspension crane, which is installed on the main beam, characterized in that it comprises a walking mechanism, an installation support mechanism and an overhauling mechanism.

[0007] The walking mechanism is arranged on the top surface of the main beam and is arranged along the length direction of the main beam, and is used for the staff to walk on the main beam through the walking mechanism.

[0008] The installation support mechanism is arranged at the end of the main beam and is used for supporting the installation of the overhauling mechanism.

[0009] The overhauling mechanism comprises two groups of overhauling platforms, and the two groups of overhauling platforms are symmetrically arranged at the two ends of the main beam through the installation support mechanism, and are used for overhauling the motor and electric control box respectively.

[0010] Further, the walking mechanism comprises extension plates fixedly arranged on both sides of the upper cover plate of the main beam, and the extension plates are arranged along the length direction of the main beam;The top surface of the extension plate is flush with the top surface of the upper cover plate of the main beam;The side of the extension plate away from the upper cover plate of the main beam is fixedly provided with a first guardrail.

[0011] Further, the installation support mechanism comprises a first support rod, a second support rod, a third support rod and an upper platform.

[0012] The first support rod is fixedly arranged on the top surface of the main beam at the side of the end beam away from the walkway mechanism.

[0013] The second support rod is fixedly arranged on the top surface of the main beam at the side of the end beam close to the walkway mechanism.

[0014] The third support rod is fixedly arranged on the top surface of the main beam at the side of the second support rod away from the end beam.

[0015] The upper platform is fixedly arranged on the top surface of the second support rod and the third support rod in the horizontal direction; the length of the upper platform is less than the length of the second support rod and the third support rod.

[0016] The first support rod, the second support rod and the third support rod are arranged in a direction perpendicular to the main beam.

[0017] Further, the maintenance platform is arranged at one end of the same side of the first support rod and the third support rod and outside the upper platform; the maintenance platform comprises a support bottom plate, a T-shaped frame is fixedly arranged on the side of the support bottom plate close to the main beam, and a rear guardrail is fixedly arranged on the side of the support bottom plate away from the main beam; a vertical ladder is fixedly arranged on the side of the support bottom plate close to the upper platform between the T-shaped frame and the rear guardrail, and a side guardrail is fixedly arranged on the side of the support bottom plate away from the ladder between the T-shaped frame and the rear guardrail.

[0018] Further, the ladder and the third support rod are connected through a first mounting assembly; the first mounting assembly comprises first clamping plates symmetrically fixedly arranged on both sides of the ladder, first U-shaped clamping holes are arranged on the bottom surface of the first clamping plates corresponding to the top surface of the third support rod, and the ladder is arranged on the third support rod through the two first U-shaped clamping holes; first L-shaped connecting plates are symmetrically fixedly arranged on the top surface of the third support rod corresponding to the two first clamping plates, and the first L-shaped connecting plates and the corresponding first clamping plates are connected and fixed through first bolt assemblies.

[0019] Further, the side guard and the first supporting rod are connected through a second mounting assembly; the second mounting assembly comprises symmetrically arranged second clamping plates arranged on two sides of the side guard, the bottom surface of the second clamping plate is provided with a second U-shaped clamping hole corresponding to the top surface of the first supporting rod, and the side guard is arranged on the first supporting rod through the two second U-shaped clamping holes; and the top surface of the first supporting rod is symmetrically provided with a second L-shaped connecting plate corresponding to the two second clamping plates, and the second L-shaped connecting plate and the corresponding second clamping plate are connected and fixed through a second bolt assembly.

[0020] Further, the first supporting rod, the second supporting rod and the third supporting rod are all made of I-shaped steel.

[0021] Further, the ladder and the T-shaped frame and the ladder and the rear guard are all fixedly provided with second guards, and the two second guards are both arranged perpendicularly to the ladder.

[0022] Further, the T-shaped frame is symmetrically provided with first chain connecting plates on two sides of the vertical rod, the ladder and the side guard are provided with second chain connecting plates on the vertical rod of the T-shaped frame corresponding to the first chain connecting plates, the first chain connecting plates and the second chain connecting plates are both provided with round holes, and a horizontal chain is hung between the round hole of the first chain connecting plate and the corresponding round hole of the second chain connecting plate.

[0023] Further, the frame of the side guard and the rear guard and the T-shaped frame are all made of cold-bent hollow square tubes welded together, and the inside of the frame of the side guard and the rear guard is filled and welded with a round tube.

[0024] Compared with the prior art, the utility model has the advantages that:

[0025] The maintenance platform for the suspension crane has the following advantages:

[0026] (1) Convenient operation: two maintenance platforms in the maintenance platform are arranged on two sides of one end of the main beam, so that the working personnel can quickly enter and exit the maintenance work area and perform maintenance work, and the motors and the electric control boxes on two sides of the main beam can be viewed at the same time, so that the maintenance platform is convenient, fast, safe and reliable, and the danger and space limitation caused by the use of a ladder frame and other equipment are avoided;

[0027] (2) Improve work efficiency: the maintenance personnel can quickly enter the maintenance platform, can quickly respond to the maintenance demand, reduce the time and labor consumption from the ground to the maintenance point, and improve the overall work efficiency;

[0028] (3) Reduce maintenance costs: due to the close integration of the maintenance platform and the main beam structure, additional maintenance and adjustment work can be reduced, and maintenance costs can be reduced;

[0029] (4) Stable structure: by installing the support mechanism and the first mounting assembly and the second mounting assembly, the stability of the two groups of maintenance platforms after installation is improved, which has high strength and stability, can provide solid support for maintenance work, and reduce the risk of accidental injury.

[0030] (5) Safe and reliable: the additional protective rail is designed, which helps the workers to smoothly and safely carry out the maintenance work, reduces the construction difficulty and safety risk.

[0031] It should be understood that the content described in the content part of the utility model is not intended to limit the key or important features of the embodiments of the utility model, nor to limit the scope of the utility model.

[0032] Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0033] Other features, objects and advantages of the utility model will become more apparent by reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0034] Fig. 1 A structure schematic diagram of the maintenance platform after assembly for the suspension crane provided by the utility model embodiment;

[0035] Fig. 2 A structure schematic diagram of the maintenance platform after enlargement;

[0036] Fig. 3 An enlarged view of the structure at A;

[0037] Fig. 4 An enlarged view of the structure at B;

[0038] Fig. 5 A structure schematic diagram of the first chain connecting plate (second chain connecting plate);

[0039] Fig. 6 A structure schematic diagram of one side of the maintenance platform;

[0040] Fig. 7 A structure schematic diagram of the other side of the maintenance platform;

[0041] The reference signs in the drawings: 1, main beam; 101, upper cover plate; 2, end beam; 3, walkway mechanism; 31, extension plate; 32, first guardrail; 4, mounting support mechanism; 41, first support rod; 42, second support rod; 43, third support rod; 44, upper platform; 5, maintenance platform; 51, support bottom plate; 52, side guardrail; 53, rear guardrail; 54, ladder; 55, T-shaped frame; 56, second guardrail; 6, first mounting assembly; 61, first clamping plate; 62, first U-shaped clamping hole; 63, first L-shaped connecting plate; 64, first bolt assembly; 7, second mounting assembly; 71, second clamping plate; 72, second U-shaped clamping hole; 73, second L-shaped connecting plate; 74, second bolt assembly; 8, first chain connecting plate; 9, second chain connecting plate; 10, round hole; 11, chain; 12, electric hoist; 13, electric control box; 14, cold-bent hollow square tube; 15, round pipe. DETAILED DESCRIPTION

[0042] The utility model will be explained in further detail below by combining with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0043] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be explained in detail below by combining with the drawings and embodiments.

[0044] Please refer to Figs. 1-7 The embodiment of the utility model provides a kind of maintenance platform for suspension crane, installation setting is in main beam 1, for realizing the maintenance work of electric motor in electric control box 13 and electric hoist 12, specific and including walkway mechanism 1, installation support mechanism and maintenance mechanism;Wherein,

[0045] Walkway mechanism 3 is set on the top surface of main beam 1, and walkway mechanism 3 is set along the length direction of main beam 1, for worker to walk on main beam 1 by walkway mechanism 3, and enter into maintenance mechanism to carry out maintenance work downwards;

[0046] In a preferred embodiment, the walkway mechanism 3 comprises fixed extension plates 31 arranged on both sides of the upper cover plate of the main beam 1, the extension plates 31 being arranged along the length direction of the main beam 1; that is, the bottom plate of the walkway mechanism 3 is composed of the upper cover plate 101 of the main beam 1 and the extension plates 31 arranged on both sides of the upper cover plate 101, thereby saving certain cost; the top surface of the extension plate 31 is arranged in a flush manner with the top surface of the upper cover plate 101 of the main beam 1, thereby avoiding the occurrence of stumbling phenomenon when walking thereon and improving the safety performance; and the side of the extension plate 31 away from the upper cover plate 101 of the main beam 1 is fixedly provided with a first guardrail 32, and the two first guardrails 32 are arranged in parallel, thereby improving the safety performance when walking on the walkway mechanism 1.

[0047] The installation support mechanism is arranged at the end of the main beam 1 and is used for supporting the installation of the maintenance mechanism.

[0048] In a preferred embodiment, the installation support mechanism 4 comprises a first support rod 41, a second support rod 42, a third support rod 43 and an upper platform 44; wherein,

[0049] The first support rod 41 is fixedly arranged on the top surface of the main beam 1 at the side of the end beam 2 away from the walkway mechanism 3.

[0050] The second support rod 42 is fixedly arranged on the top surface of the main beam 1 at the side of the end beam 2 close to the walkway mechanism 3.

[0051] The third support rod 43 is fixedly arranged on the top surface of the main beam 1 at the side of the second support rod 42 away from the end beam 2.

[0052] The upper platform 44 is fixedly arranged on the top surface of the second support rod 42 and the third support rod 43 in the horizontal direction; the length of the upper platform 44 is less than the length of the second support rod 42 and the third support rod 43; and the upper platform 44 is arranged to facilitate the workers walking on the walkway mechanism 3 to enter the maintenance platforms 5 on both sides.

[0053] The first support rod 41, the second support rod 42 and the third support rod 43 are arranged in parallel with each other and along the direction perpendicular to the main beam 1.

[0054] In a preferred embodiment, the first support rod 41, the second support rod 42 and the third support rod 43 are all made of I-beams.

[0055] The maintenance mechanism comprises two groups of maintenance platforms 5, the two groups of maintenance platforms 5 being symmetrically arranged at the two ends of the installation support mechanism 4 on the main beam 1 and being used for respectively maintaining the motors in the electric control boxes 13 and the electric hoists 12 on both sides.

[0056] In a preferred embodiment, the maintenance platform 5 is arranged at one end of the same side of the first support rod 41 and the third support rod 43 and is located outside the upper platform 44.

[0057] The maintenance platform 5 comprises a support bottom plate 51, the side of the support bottom plate 51 close to the main beam 1 is fixedly provided with a T-shaped frame 55, and the side of the support bottom plate 51 away from the main beam 1 is fixedly provided with a rear guardrail 53; the side of the support bottom plate 51 between the T-shaped frame 55 and the rear guardrail 53 and close to the upper platform 44 is fixedly provided with a ladder 54 in the vertical direction, and the side of the support bottom plate 51 between the T-shaped frame 55 and the rear guardrail 53 and away from the ladder 54 is fixedly provided with a side guardrail 52.

[0058] That is, the maintenance platform 5 comprises a support bottom plate 51, the four sides of the support bottom plate 51 are provided with the side guardrail 52, the rear guardrail 53, the ladder 54 and the T-shaped frame 55, and the whole is in a box shape, supporting and protecting the maintenance personnel located therein.

[0059] In a preferred embodiment, the ladder 54 and the third support rod 43 are connected through a first mounting assembly 6; the first mounting assembly 6 comprises symmetrically fixed first clamping plates 61 provided on both sides of the ladder 54, the bottom surface of the first clamping plate 61 is provided with a first U-shaped clamping hole 62 corresponding to the top surface of the third support rod 43, and the ladder 54 is erected on the third support rod 43 through the two first U-shaped clamping holes 62; the top surface of the third support rod 43 is fixedly provided with a first L-shaped connecting plate 63 corresponding to the two first clamping plates 61, and the first L-shaped connecting plate 63 and the corresponding first clamping plate 61 are connected and fixed through a first bolt assembly 64, so as to ensure the stability of the connection between the ladder 54 and the third support rod 43.

[0060] In a preferred embodiment, the side guardrail 52 and the first support rod 41 are connected through a second mounting assembly 7; the second mounting assembly 7 comprises symmetrically fixed second clamping plates 71 provided on both sides of the side guardrail 52, the bottom surface of the second clamping plate 71 is provided with a second U-shaped clamping hole 72 corresponding to the top surface of the first support rod 41, and the side guardrail 52 is erected on the first support rod 41 through the two second U-shaped clamping holes 72; the top surface of the first support rod 41 is fixedly provided with a second L-shaped connecting plate 73 corresponding to the two second clamping plates 71, and the second L-shaped connecting plate 73 and the corresponding second clamping plate 71 are connected and fixed through a second bolt assembly 74, so as to ensure the stability of the connection between the side guardrail 52 and the first support rod 41.

[0061] In a preferred embodiment, the second guardrails 56 are fixedly arranged between the ladder 54 and the T-shaped frame 55 and between the ladder 54 and the rear guardrail 53, and the two second guardrails 56 are both perpendicular to the ladder 54, so as to protect the workers when they climb the ladder 54 and improve the safety performance.

[0062] In a preferred embodiment, the vertical rod of the T-shaped frame 55 is symmetrically provided with a first chain connecting plate 8 on both sides, and the vertical rod of the T-shaped frame 55 connected with the ladder 54 and the side guardrail 52 is provided with a second chain connecting plate 9 corresponding to the first chain connecting plate 8; the first chain connecting plate 8 and the corresponding second chain connecting plate 9 are provided with a chain 11 in the horizontal direction; the first chain connecting plate 8 and the second chain connecting plate 9 are provided with a round hole 10 for hooking the chain 11.

[0063] When the maintenance personnel maintain the electric control box 13 or the motor in the electric hoist 12, the corresponding chain 11 can be taken off, so as to facilitate maintenance, and the chain 11 is hung as protection during the non-maintenance period.

[0064] In a preferred embodiment, the frame of the side guardrail 52 and the rear guardrail 53 and the T-shaped frame 55 are welded by cold bending hollow square tubes 14, and the inside of the frame of the side guardrail 52 and the rear guardrail 53 is filled and welded by a round tube 15.

[0065] Working principle of the utility model:

[0066] The walking mechanism 3 walks on the main beam 1, then enters the upper platform 44, and then enters the inside of the two groups of maintenance platforms 5 through the ladder 54 on both sides of the upper platform 44 to maintain the motor or the electric control box, so that the working personnel can quickly enter and exit the working area for maintenance, the maintenance efficiency is improved, and the ground space is avoided.

[0067] In the description of the specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0068] In the description of the specification, the description of the terms "one embodiment", "some embodiments" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0069] The above is only the preferred embodiment of the application, and is not used to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A maintenance platform for a suspension crane, which is installed on a main girder, characterized in that, The walking mechanism, the installation support mechanism and the maintenance mechanism are included. The walking mechanism is arranged on the top surface of the main beam and arranged along the length direction of the main beam, and is used for the staff to walk on the main beam through the walking mechanism. The installation support mechanism is arranged at the end of the main beam and is used for supporting the installation of the maintenance mechanism. The maintenance mechanism includes two groups of maintenance platforms, and the two groups of maintenance platforms are symmetrically arranged at the two ends of the main beam of the installation support mechanism and are used for respectively maintaining the motor and the electric control box.

2. A suspended platform for inspection of a crane according to claim 1, characterized in that The walking mechanism includes fixed extension plates arranged on both sides of the upper cover plate of the main beam, and the extension plates are arranged along the length direction of the main beam.

3. The suspended crane access platform of claim 1, wherein, The first support rod is fixedly arranged on the top surface of the main beam and located on the side of the end beam away from the walking mechanism. The second support rod is fixedly arranged on the top surface of the main beam and located on the side of the end beam close to the walking mechanism. The third support rod is fixedly arranged on the top surface of the main beam and located on the side of the second support rod away from the end beam. The upper platform is fixedly arranged on the top surfaces of the second support rod and the third support rod in the horizontal direction, and the length of the upper platform is less than the lengths of the second support rod and the third support rod. The first support rod, the second support rod and the third support rod are arranged along the direction perpendicular to the main beam. The maintenance platform is arranged on the same side of the first support rod and the third support rod and located outside the upper platform.

4. A suspended platform for inspection of a crane according to claim 3, characterized in that The first installation assembly includes symmetrically fixed first clamping plates arranged on both sides of the ladder, and the bottom surface of the first clamping plate is provided with a first U-shaped clamping hole corresponding to the top surface of the third support rod.

5. A suspended platform for inspection of a crane according to claim 4, characterized in that The third support rod is fixedly arranged on the top surface of the main beam and located on the side of the second support rod away from the end beam. The upper platform is fixedly arranged on the top surfaces of the second support rod and the third support rod in the horizontal direction, and the length of the upper platform is less than the lengths of the second support rod and the third support rod. The first support rod, the second support rod and the third support rod are arranged along the direction perpendicular to the main beam. The maintenance platform is arranged on the same side of the first support rod and the third support rod and located outside the upper platform. The first installation assembly includes symmetrically fixed first clamping plates arranged on both sides of the ladder, and the bottom surface of the first clamping plate is provided with a first U-shaped clamping hole corresponding to the top surface of the third support rod.

6. The suspended crane maintenance platform of claim 4, wherein, The side guard rail and the first supporting rod are connected through a second mounting assembly; the second mounting assembly comprises symmetrically arranged second clamping plates arranged on both sides of the side guard rail, the bottom surface of the second clamping plate is provided with a second U-shaped clamping hole corresponding to the top surface of the first supporting rod, and the side guard rail is arranged on the first supporting rod through the two second U-shaped clamping holes; and the top surface of the first supporting rod is symmetrically provided with a second L-shaped connecting plate corresponding to the two second clamping plates, and the second L-shaped connecting plate and the corresponding second clamping plate are connected and fixed through a second bolt assembly.

7. The suspended crane maintenance platform of claim 3, wherein, The first supporting rod, the second supporting rod and the third supporting rod are all I-shaped steel.

8. The suspended crane maintenance platform of claim 4, wherein, Second guard rails are fixedly arranged between the ladder and the T-shaped frame and between the ladder and the rear guard rail, and the two second guard rails are arranged perpendicularly to the ladder.

9. The suspended crane maintenance platform of claim 4, wherein, First chain connecting plates are symmetrically arranged on both sides of the vertical rod of the T-shaped frame, second chain connecting plates are fixedly arranged on the vertical rod of the T-shaped frame to which the ladder and the side guard rail are connected and correspond to the first chain connecting plates, round holes are arranged on the first chain connecting plates and the second chain connecting plates, and chains in the horizontal direction are hung between the round holes of the first chain connecting plates and the corresponding round holes of the second chain connecting plates.

10. A suspended platform for inspection of a crane according to claim 4, characterized in that The frame of the side guard rail and the rear guard rail and the T-shaped frame are all welded from cold-bent hollow square tubes, and the inside of the frame of the side guard rail and the rear guard rail is filled and welded with round tubes.

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