Cart driving maintenance platform of large-base-distance travelling crane

Abstract

The utility model discloses a cart driving maintenance platform of a large-base-distance travelling crane, which comprises a fixed platform fixedly connected with an end beam; the two translation platforms are symmetrically arranged at the two ends of the fixed platform in the length direction, and the two translation platforms are both in sliding connection with the fixed platform; the translation driving assembly is arranged below the fixed platform, connected with the two translation platforms and used for driving the two translation platforms to move towards the two sides away from the fixed platform in the length direction of the fixed platform. According to the utility model, the motor on the wheel set driven by the large-base-distance cart can be conveniently overhauled and maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane maintenance platform technical field especially relates to a large base distance travelling crane's car drive maintenance platform. BACKGROUND

[0002] With the development of science and technology and society, the equipment in each field has been greatly improved, and the crane, as a heavy machinery for lifting and carrying large goods, has also ushered in an update and rapid development; under the premise that the tonnage demand of the crane is increasing, the structure of many old workshops does not meet the installation demand of ordinary large-tonnage cranes, so that the large-tonnage crane can adapt to the old workshop, and the large-base-distance crane emerges as the times require;

[0003] The car drive device of the large-base-distance crane includes two main beams, a drum hoisting mechanism arranged between the main beams, end beams installed at both ends of the main beams, and wheel sets arranged at both ends of the end beams. The large base distance refers to the distance between the wheel sets at both ends of the same end beam, which is relatively far, so that the distance between the motor on the wheel set and the walking platform installed on the main beam is relatively far. The staff on the walking platform cannot maintain the motor on the wheel set. At present, the distance between the two main beams can be widened to make the walking platform close to the wheel set and thus realize the maintenance of the motor. However, the length of the drum needs to be extended when the distance between the main beams is widened. The drum is made of seamless steel pipe. If the length of the drum is extended, the equipment cost will increase. Therefore, in order to solve the problem of inconvenient maintenance of the motor on the wheel set of the large-base-distance car drive device, the present application provides a large-base-distance travelling crane's car drive maintenance platform. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a large-base-distance travelling crane's car drive maintenance platform that facilitates the maintenance and repair of the motor on the wheel set of the large-base-distance car drive.

[0005] The large-base-distance travelling crane's car drive maintenance platform provided by the utility model, the car drive includes main beam, end beam and wheel set arranged at both ends of the end beam, the walking platform is arranged on the main beam, the motor is arranged on the wheel set, and the maintenance platform comprises:

[0006] The fixed platform is fixedly connected with the end beam;

[0007] The translation platform is symmetrically provided with two groups along the length direction of the fixed platform, and the two groups of translation platforms are slidably connected with the fixed platform;

[0008] The translation drive assembly is arranged below the fixed platform, connected with the two groups of translation platforms, and used for driving the two groups of translation platforms to move away from both sides of the fixed platform along the length direction of the fixed platform.

[0009] Further, the two sets of translation platforms are arranged below the fixed platform, the top surface of the translation platform is provided with a sliding groove along the length direction, and the bottom surface of the fixed platform is provided with a sliding rail matched with the sliding groove, the sliding rail is embedded in the sliding groove and is in sliding connection with the sliding groove.

[0010] Further, the bottom of the fixed platform is fixedly provided with a placing groove, the top and both ends of the placing groove are provided with openings, and the translation platform is arranged in the placing groove.

[0011] Further, the translation driving assembly comprises a bidirectional screw rod, a driven gear fixedly sleeved on the outer wall of the bidirectional screw rod, a driving gear in meshing connection with the driven gear and a first driving motor for driving the driving gear to rotate, the bidirectional screw rod is fixedly arranged in the placing groove through the support, and the two ends of the bidirectional screw rod are threadedly sleeved with threaded sleeves, and the two translation platforms are arranged and fixedly connected with the two threaded sleeves in one-to-one correspondence.

[0012] Further, two sets of telescopic assemblies are further included, the two sets of telescopic assemblies are arranged in one-to-one correspondence with the two sets of translation platforms, the telescopic assembly comprises a sliding cylinder fixedly arranged at the bottom of the translation platform and a sliding rod slidingly sleeved in the sliding cylinder, and one end of the sliding rod away from the sliding cylinder is fixedly connected with the support.

[0013] Further, two sets of auxiliary translation assemblies are further included, the two sets of auxiliary translation assemblies are arranged in one-to-one correspondence with the two sets of translation platforms, the auxiliary translation assembly comprises an auxiliary rack arranged at the bottom of the translation platform along the length direction of the translation platform and an auxiliary gear in meshing connection with the auxiliary rack, and the auxiliary gear is arranged in the placing groove.

[0014] Further, the fixed platform and the translation platform are provided with guardrails, and the top of the placing groove is provided with a strip-shaped opening for the guardrails on the translation platform to penetrate.

[0015] Further, a hoisting assembly arranged on the fixed platform is further included, the hoisting assembly comprises a fixed seat fixedly arranged on the fixed platform, a rotating cylinder in rotating connection with the fixed seat and a second driving motor for driving the rotating cylinder to rotate, a connecting rope is wound on the outer wall of the rotating cylinder, and a hanging basket is fixedly arranged at one end of the connecting rope.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The utility model discloses a translation drive assembly can drive two groups of translation assemblies to extend to the both sides of the fixed platform along the length direction of the fixed platform, thereby increasing the movable space of the both sides of the fixed platform, prolonging the overall length of the maintenance platform, wherein the translation platform close to the main beam side is butted with the catwalk on the main beam, and the staff can be conveniently moved from the catwalk to the maintenance platform to maintain the motor on the wheel group, avoids the maintenance of the motor through the widening distance between the two main beams, simple structure, reduces the production cost of equipment.

[0018] (2) The utility model discloses a hoisting assembly can hoist the maintenance tool to the maintenance platform, and the staff responsible for maintenance is convenient to take the maintenance tool, and when the staff forgets to carry the relevant tool in the process of maintenance, can hoist the required tool to the maintenance platform through the hoisting assembly, avoids the staff to return to the ground and take again, avoids the waste of time, improves the working efficiency.

[0019] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0021] Figure 1 It is the overhead structure schematic drawing of the utility model installation on the end beam;

[0022] Figure 2 It is the front structure schematic drawing of the utility model (omit the guardrail on the translation platform);

[0023] Figure 3 It is the side structure schematic drawing of the utility model;

[0024] Figure 4 It is the structure schematic drawing of translation drive assembly installation in the placing groove;

[0025] Figure 5 It is the structure schematic drawing of hoisting assembly;

[0026] Figure 6 It is the structure schematic drawing of the cart driving device;

[0027] Marked number in the drawing: 1, fixed platform;2, translation platform;3, translation drive assembly;4, placing groove;5, telescopic assembly;6, auxiliary translation assembly;7, guardrail;8, hoisting assembly;

[0028] 31 bidirectional screw; 32 driven gear; 33 driving gear; 34 first driving motor; 35 support; 36 threaded sleeve;

[0029] 51 sliding cylinder; 52 sliding rod;

[0030] 61 auxiliary rack; 62 auxiliary gear;

[0031] 81 rotating drum; 82 second driving motor; 83 connecting rope; 84 hanging basket;

[0032] 100 cart drive; 101 main beam; 102 end beam; 103 wheel set; 104 motor; 105 walkway. DETAILED DESCRIPTION

[0033] The utility model will be further explained in 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.

[0034] 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 described in detail below by combining with the drawings and embodiments.

[0035] Please refer to Figures 1-6 The embodiment of the utility model provides a cart drive maintenance platform of large base distance travelling crane, which is used for maintaining the motor on the large base distance cart drive device, solves the problem that the wheel sets 103 on the same side of the cart drive device are far away from each other, and the motor 104 on the wheel set 103 is inconvenient to maintain through the walkway 105.

[0036] As Figure 6 shown, the cart drive 100 includes the main beam 101, the end beam 102 and the wheel set 103 arranged at the two ends of the end beam, the main beam 101 is arranged in parallel with two groups, the end beam 102 is arranged at the two ends of the main beam 101, one group of wheel sets 103 is arranged at the two ends of the two groups of end beams 102 respectively, the wheel set 103 is fixedly installed on the end beam 102, the motor 104 is arranged on the wheel set 103, the walkway 105 is arranged on the main beam 101, the track is arranged below the wheel set 103, and the wheel set 103 drives the cart drive device 100 to travel along the track; wherein the wheel sets 103 at the two ends of the end beam 102 are far away from the main beam 101, the wheel set 103 and the motor 104 installed on the wheel set 103 cannot be maintained through the walkway 105, so the maintenance platform is installed at the two ends of the end beam 102, and the wheel set 103 and the motor 104 are maintained through the maintenance platform;

[0037] As shown in Figure 1 and Figure 2 , the maintenance platform of the present application comprises a fixed platform 1, a translation platform 2 and a translation driving assembly 3, wherein the fixed platform 1 is fixedly connected with the end beam 102;

[0038] The translation platform 2 is provided in two groups, and the two groups of translation platforms 2 are symmetrically arranged at both ends of the fixed platform 1 in the length direction of the fixed platform 1, and both groups of translation platforms 2 are in sliding connection with the fixed platform 1;

[0039] The translation driving assembly 3 is arranged below the fixed platform 1 and is connected with the two groups of translation platforms 2, and is used to drive the two groups of translation platforms 2 to move away from both sides of the fixed platform 1 along the length direction of the fixed platform 1.

[0040] In this embodiment, the two translation platforms 2 can be driven by the translation driving assembly 3 to extend away from the fixed platform 1 to both ends thereof, thereby extending the maintenance space of the fixed platform 1, and one of the translation platforms 2 is in butt joint with the walkway 105 on the main beam 101, so that the maintenance personnel can move from the walkway 105 to the maintenance platform to perform maintenance work, thereby solving the problem that the existing cart driving device has a large base distance, the distance between the wheel set 103 and the walkway 105 on the main beam 101 is large, and the motor 104 on the wheel set 103 cannot be maintained through the walkway 105.

[0041] In a preferred embodiment, as shown in Figure 2 and Figure 3 , the two groups of translation platforms 2 are arranged below the fixed platform 1, the top surface of the translation platform 2 is provided with a sliding groove in the length direction thereof, and the bottom surface of the fixed platform 1 is provided with a sliding rail matched with the sliding groove, the sliding rail is embedded in the sliding groove and is in sliding connection with the sliding groove.

[0042] In this embodiment, the translation platform 2 is arranged below the fixed platform 1, the bottom of the fixed platform 1 is provided with a sliding rail, the cross section of the sliding rail is in inverted T shape, the sliding groove is matched with the sliding rail, the sliding rail is embedded in the sliding groove and slides, thereby avoiding the translation platform 2 from being separated from the fixed platform 1 and improving the stability of the sliding process of the translation platform 2.

[0043] In a preferred embodiment, as shown in Figure 2 and Figure 3 , a placing groove 4 is fixedly arranged below the fixed platform 1, the top and both ends of the placing groove 4 are provided with openings, and the translation platform 2 is arranged in the placing groove 4.

[0044] In this embodiment, the cross section of the placing groove 4 is in U shape, the top of the placing groove 4 is provided as an open top, and both ends are provided with openings, so that the translation platform 2 is arranged in the placing groove 4 while achieving sliding connection with the fixed platform 1;

[0045] The placing groove 4 is fixedly connected with the fixed platform 1 by welding or bolting, and two keel angle steels are welded at the bottom of the placing groove 4 to support the placing groove 4, the keel angle steels are connected with support rods, the support rods are fixedly connected with the end beam 102 by bolts, and the safety of the structure is improved.

[0046] In a preferred embodiment, as shown in Figure 2 , Figure 3 and Figure 4 , the translation driving assembly 3 includes a bidirectional screw 31, a driven gear 32 fixedly sleeved on the outer wall of the bidirectional screw 31, a driving gear 33 meshingly connected with the driven gear 32, and a first driving motor 34 driving the driving gear 33 to rotate, the bidirectional screw 31 is fixedly arranged in the placing groove 4 through a support 35, the first driving motor 34 is fixedly installed in the placing groove 4, and the driving gear 33 is fixedly connected with the output end of the first driving motor 34; and the two ends of the bidirectional screw 31 are threadedly sleeved with a threaded sleeve 36, and two translation platforms 2 are arranged and fixedly connected with the two threaded sleeves 36 in one-to-one correspondence.

[0047] Specifically, the translation driving assembly 3 is arranged in the placing groove 4, and the translation driving assembly 3 can be protected by the placing groove 4;

[0048] And the bidirectional screw 31 is arranged in parallel with two groups, and the two groups of bidirectional screws 31 are drivingly connected through the driving gear 33 and the driven gear 32, the transmission process of the two groups of bidirectional screws 31 is more stable, and the stability of the moving process of the translation platform 2 is improved.

[0049] In this embodiment, the extension position of the translation platform 2 can be adjusted according to the installation position of the motor 104, the first driving motor 34 is started to drive the driving gear 33 to rotate, and the two groups of bidirectional screws 31 are driven to rotate in the same direction through gear transmission, the bidirectional screw 31 is rotated to drive the threaded sleeve 36 to translate along the axial direction, and then the two groups of translation platforms 2 are driven to extend to the two ends of the fixed platform 1, the maintenance space of the fixed platform 1 is expanded, and one of the translation platforms 2 is connected with the walkway 105, so that the maintenance personnel can move to the maintenance platform through the walkway 105, and the maintenance is more convenient.

[0050] In a preferred embodiment, as shown in Figure 2 , it further includes two groups of telescopic assemblies 5, the two groups of telescopic assemblies 5 are arranged in one-to-one correspondence with the two groups of translation platforms 2, the telescopic assembly 5 includes a sliding cylinder 51 fixedly arranged at the bottom of the translation platform 2, and a sliding rod 52 slidingly sleeved in the sliding cylinder 51, one end of the sliding rod 52 away from the sliding cylinder 51 is fixedly connected with the support 35.

[0051] In this embodiment, the sliding cylinder 51 and the sliding rod 52 slide relative to each other during the movement of the translation platform 2, so that the movement of the translation platform 2 is more stable.

[0052] In a preferred embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , two sets of auxiliary translation assemblies 6 are further included, which are arranged in one-to-one correspondence with the two sets of translation platforms 2, the auxiliary translation assembly 6 includes an auxiliary rack 61 arranged at the bottom of the translation platform 2 along the length direction of the translation platform 2, and an auxiliary gear 62 engaged with the auxiliary rack 61, the auxiliary gear 62 is arranged in the placing groove 4.

[0053] Specifically, the auxiliary gear 62 is provided with four sets, and the bottom of each set of translation platform 2 is provided with two auxiliary racks 61, and each set of auxiliary rack 61 is engaged with a set of auxiliary gear 62.

[0054] In this embodiment, during the movement of the translation platform 2, the auxiliary rack 61 drives the gear 62 engaged therewith to rotate, which can effectively assist and stabilize the movement of the translation platform 2 and prevent deviation, thereby improving the stability and safety performance of the device.

[0055] In a preferred embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the fixed platform 1 and the translation platform 2 are both provided with a protective rail 7, and the top of the placing groove 4 is provided with a strip-shaped through opening for the protective rail 7 on the translation platform 2 to penetrate. Specifically, the protective rail 7 plays a safety protection role.

[0056] In a preferred embodiment, as shown in Figure 1 and Figure 5 , a hoisting assembly 8 is further arranged on the fixed platform 1, the hoisting assembly 8 includes a fixed seat fixedly arranged on the fixed platform 1, a rotating drum 81 rotationally connected with the fixed seat, and a second driving motor 82 driving the rotating drum 81 to rotate, a connecting rope 83 is wound on the outer wall of the rotating drum 81, and a hanging basket 84 is fixedly arranged at one end of the connecting rope 83.

[0057] In this embodiment, the hoisting assembly 8 is convenient for taking the maintenance tool; starting the second driving motor 82 can drive the rotating drum 81 to rotate forward and reverse, the rotating drum 81 rotates forward to pay off the connecting rope 83, the hanging basket 84 descends, the maintenance tool is placed in the hanging basket 84, then the rotating drum 81 is controlled to reverse, the connecting rope 83 is wound, and the hanging basket 84 rises, thereby achieving the taking of the maintenance work; when the maintenance personnel forget to carry the related tool during maintenance, it is not necessary to return to the ground to take it, thereby improving the convenience of taking the maintenance tool and improving the work efficiency.

[0058] Working principle:

[0059] The two translation platforms 2 are driven by the translation driving assembly 3 to extend to the two ends in the direction away from the fixed platform 1, so as to extend the maintenance space of the fixed platform 1, and one of the two translation platforms 2 is connected with the walkway 105 on the main beam 101, so that the maintenance personnel can move from the walkway 105 to the maintenance platform to perform the maintenance work, thereby solving the problem that the existing large vehicle driving device has a large base distance, the distance between the wheel set 103 and the walkway 105 on the main beam 101 is large, and the motor 104 on the wheel set 103 cannot be maintained through the walkway 105; and the lifting of the basket 84 can be realized through the lifting assembly 8, so that the maintenance tools can be conveniently taken, and the maintenance personnel do not need to return to the ground to take the tools when forgetting to carry the tools, thereby improving the convenience of taking the maintenance tools and improving the work efficiency.

[0060] In the description of the present 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 those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0061] In the description of the present specification, the terms "one embodiment", "some embodiments" and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean 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.

[0062] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A large-gage row vehicle's large-wheel drive maintenance platform, the large-wheel drive (100) comprising a main beam (101), an end beam (102), and a wheel set (103) arranged at both ends of the end beam (102), a walkway (105) arranged on the main beam (101), and a motor (104) arranged on the wheel set (103), characterized in that, The maintenance platform comprises: A fixed platform (1) is fixedly connected with the end beam (102); Two groups of translation platforms (2) are symmetrically arranged at both ends of the length direction of the fixed platform (1), and each group of the translation platforms (2) is slidably connected with the fixed platform (1); A translation driving assembly (3) is arranged below the fixed platform (1) and connected with the two groups of translation platforms (2), and is used for driving the two groups of translation platforms (2) to move away from both sides of the fixed platform (1) along the length direction of the fixed platform (1).

2. The maintenance platform for the drive of the large car of the large-base-distance track according to claim 1, characterized in that, Each group of the translation platforms (2) is arranged below the fixed platform (1), the top surface of the translation platform (2) is provided with a sliding groove along the length direction thereof, and the bottom surface of the fixed platform (1) is provided with a sliding rail matched with the sliding groove, the sliding rail is embedded in the sliding groove and slidably connected with the sliding groove.

3. The maintenance platform for the drive of the large car of a large-lifting-pathway car according to claim 2, characterized in that, A placing groove (4) is fixedly arranged below the fixed platform (1), the top and both ends of the placing groove (4) are provided with openings, and the translation platform (2) is arranged in the placing groove (4).

4. The maintenance platform for the drive of the large car of a large-lifting-pathway car according to claim 3, characterized in that, The translation driving assembly (3) comprises a bidirectional screw rod (31), a driven gear (32) fixedly arranged on the outer wall of the bidirectional screw rod (31), a driving gear (33) meshingly connected with the driven gear (32), and a first driving motor (34) for driving the driving gear (33) to rotate, the bidirectional screw rod (31) is fixedly arranged in the placing groove (4) through a support (35), and the two ends of the bidirectional screw rod (31) are threadedly sleeved with a threaded sleeve (36), and two translation platforms (2) are correspondingly arranged and fixedly connected with two threaded sleeves (36).

5. A large-wheelbase vehicle's drive maintenance platform according to claim 4, characterized in that, Further comprising two groups of telescopic assemblies (5), the two groups of telescopic assemblies (5) are correspondingly arranged with the two groups of translation platforms (2), the telescopic assembly (5) comprises a sliding cylinder (51) fixedly arranged on the bottom of the translation platform (2), and a sliding rod (52) slidably sleeved in the sliding cylinder (51), and one end of the sliding rod (52) away from the sliding cylinder (51) is fixedly connected with the support (35).

6. The maintenance platform for the drive of the large car of a large-base-distance track according to claim 3, characterized in that, Further comprising two groups of auxiliary translation assemblies (6), the two groups of auxiliary translation assemblies (6) are correspondingly arranged with the two groups of translation platforms (2), the auxiliary translation assembly (6) comprises an auxiliary rack (61) arranged on the bottom of the translation platform (2) along the length direction thereof, and an auxiliary gear (62) meshingly connected with the auxiliary rack (61), and the auxiliary gear (62) is arranged in the placing groove (4).

7. The maintenance platform for the drive of the large car of a large-lifting-pathway car according to claim 3, characterized in that, The fixed platform (1) and the translation platform (2) are both provided with guardrails (7), and the top of the placing groove (4) is provided with a strip-shaped opening through which the guardrails (7) on the translation platform (2) pass.

8. The maintenance platform of claim 1, wherein, Also include the setting in the fixed platform (1) on the hoist assembly (8), the hoist assembly (8) includes the fixed seat set in the fixed platform (1), and the fixed seat rotationally connected with the rotating drum (81) and the second drive motor (82) of driving the rotating drum (81) rotation, the outer wall of the rotating drum (81) is wound with the connecting rope (83), one end of the connecting rope (83) is fixedly provided with the hanging basket (84).

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