Crane walking on inner and outer concentric circle tracks

Abstract

The utility model provides a crane walking on inner and outer concentric circle tracks, which comprises a bridge frame, the bridge frame comprises an auxiliary beam and a main beam, the auxiliary beam and the main beam are arranged in parallel, a crane carriage is arranged between the auxiliary beam and the main beam, and the crane carriage provided with hoisting equipment slides along the auxiliary beam and the main beam; an inner ring end beam set and an outer ring end beam set are arranged at the two ends of the bridge frame respectively and move along inner and outer concentric circle rails. The horizontal wheel supports are arranged at the two ends of the auxiliary beam and the two ends of the main beam, and the different horizontal wheel supports abut against the inner concentric circle track and the outer concentric circle track. According to the utility model, the independent horizontal wheel supports are used for bearing the limiting and supporting capacity, so that the structural stability between the crane and the track is improved, the retarding force of the limiting effect is reduced, and the smoothness of the movement process is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cranes, in particular to a crane running on inner and outer concentric circle tracks. Background Art

[0002] The prior art discloses an invention with application number 201820795886.7, which discloses an electric circular track crane, comprising an outer track and an inner track fixed on the top of an elevated structure, and a crane operating device movably arranged between the outer track and the inner track. The outer track and the inner track are both made of a plurality of curved steel rails with steel wrapped at the ends and connected by bolts to form a circular track, and their centers are unified. The crane operating device is upside down and connected between the two rails. The crane operating device includes a main beam, two end beams, and four operating mechanisms. And an electric hoist, wherein the two end beams are respectively the outer rail end beam and the inner rail end beam, which are connected to the main beam by bolts to form an I-shaped structural beam, the electric hoist is arranged on the main beam, and the four operating mechanisms are respectively fixed on the two ends of the outer rail end beam and the inner rail end beam, and their basic structures are the same, namely the outer rail first operating mechanism, the outer rail second operating mechanism, the inner rail first operating mechanism and the inner rail second operating mechanism, and the outer rail second operating mechanism and the inner rail second operating mechanism are also respectively provided with motors, which can drive the operating mechanisms to move along their respective tracks.

[0003] The electric circular rail crane in the above application mainly relies on the outer rail first operating mechanism, the outer rail second operating mechanism, the inner rail first operating mechanism and the inner rail second operating mechanism to move along two rails. During the driving process, the traveling mechanism composed of the outer rail first operating mechanism, the outer rail second operating mechanism, the inner rail first operating mechanism and the inner rail second operating mechanism not only needs to undertake the walking task but also provide limiting support for the crane operating device. This structural design has insufficient stability between the crane operating device and the track, and the limiting function during the walking process will affect the ability to move, resulting in poor walking. Utility Model Content

[0004] The utility model provides a crane that travels on inner and outer concentric circle tracks, aiming to solve the problem that the existing traveling mechanism crane operating device provides a limit support, the stability between the crane operating device and the track is insufficient in this structural design, and the limit function during the traveling process affects the ability to move.

[0005] The utility model is realized as follows: a crane traveling on inner and outer concentric circle tracks, comprising:

[0006] The bridge frame includes a secondary beam and a main beam, the secondary beam and the main beam are arranged in parallel, a lifting trolley is provided between the secondary beam and the main beam, and a lifting device is provided on the lifting trolley; the lifting trolley provided with the lifting device slides along the secondary beam and the main beam;

[0007] The inner ring end beam group and the outer ring end beam group are respectively provided at both ends of the auxiliary beam and the main beam, and the auxiliary beam and the main beam are connected by the inner ring end beam group and the outer ring end beam group, and the inner ring end beam group and the outer ring end beam group move along the inner and outer concentric circle tracks;

[0008] Horizontal wheel supports: both ends of the auxiliary beam and the main beam are provided with horizontal wheel supports, and different horizontal wheel supports are supported on inner and outer concentric circle tracks.

[0009] Preferably, the support structure includes a first support beam, a second support beam and a third support beam, the front support is arranged at the end of the third support beam, the first support beam and the second support beam are respectively connected to the end of the third support beam close to the front support, and the first support beam, the second support beam and the third support beam are respectively connected to different positions of the bridge frame at the end away from the front support.

[0010] Preferably, the first support beam, the second support beam and the third support beam form a triangular pyramid structure.

[0011] Preferably, a guide wheel is provided on the front support, and the horizontal wheel support is supported on the inner and outer concentric circle tracks through the guide wheel.

[0012] Preferably, the inner ring end beam group includes a first power mechanism, a second power mechanism and a connecting beam, the first power mechanism is arranged at the end of the secondary beam, and the second power mechanism is arranged at the end of the main beam; the first power mechanism and the second power mechanism are connected by a connecting beam.

[0013] Preferably, the first power mechanism and the second power mechanism are arranged obliquely to the connecting beam.

[0014] Preferably, the first power mechanism is provided with a driven roller and a driving roller, the driving roller is connected to a driving motor assembly provided on the outer wall of the first power mechanism, and the driven roller and the driving roller are both pressed onto inner and outer concentric circular tracks.

[0015] Preferably, the first power mechanism and the second power mechanism have the same structure.

[0016] Preferably, the lifting trolley includes a first walking unit, a second walking unit and a trolley main beam; the first walking unit and the second walking unit are separately arranged on the trolley main beam;

[0017] The first walking unit and the second walking unit move along tracks provided on the auxiliary beam and the main beam respectively.

[0018] Preferably, the first walking unit and the second walking unit have the same structure as the first power mechanism.

[0019] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0020] The crane provided by the utility model, which travels on the inner and outer concentric circle tracks, uses the horizontal wheel support as an auxiliary structure to help the auxiliary beam and the main beam obtain limiting capacity, reduce the limiting force between the inner circle end beam group and the outer circle end beam group and the outer concentric circle track and the inner concentric circle track, and assume the limiting support capacity through an independent structure, thereby improving the structural stability between the crane traveling on the inner and outer concentric circle tracks and the inner and outer concentric circle tracks, while reducing the blocking force of the limiting action during movement, and improving the smoothness of the movement process of the moving parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a structural schematic diagram of a crane running on inner and outer concentric circle tracks.

[0022] Figure 2 The utility model provides a crane running on inner and outer concentric circle tracks and a schematic diagram of the inner and outer concentric circle tracks.

[0023] Figure 3 The utility model provides a schematic diagram of a horizontal wheel support structure of a crane running on inner and outer concentric circle tracks.

[0024] Figure 4 The utility model provides a structural schematic diagram of a middle bridge frame of a crane running on inner and outer concentric circle tracks.

[0025] Figure 5 The utility model provides a crane that travels on inner and outer concentric circle tracks, and shows a partially enlarged schematic diagram of the structure at position A.

[0026] Figure 6 It is a partially enlarged schematic diagram of the B structure of a crane that travels on inner and outer concentric circle tracks provided by the utility model.

[0027] Description of reference numerals:

[0028] 101. Outer concentric orbit; 102. Inner concentric orbit;

[0029] 200, bridge; 210, auxiliary beam; 220, main beam;

[0030] 310, inner ring end beam assembly; 311, first power mechanism; 3111, driven roller; 3112, driving roller; 3113, drive motor assembly; 312, second power mechanism; 313, connecting beam; 320, outer ring end beam assembly;

[0031] 400, horizontal wheel support; 401, first support beam; 402, second support beam; 403, third support beam; 410, front support;

[0032] 500, lifting trolley; 510, first traveling unit; 520, second traveling unit; 530, main beam. DETAILED DESCRIPTION

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0034] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] The embodiment of the utility model provides a crane traveling on inner and outer concentric circular tracks, wherein the inner and outer concentric circular tracks include an outer concentric circular track 101 and an inner concentric circular track 102, and the crane traveling on the inner and outer concentric circular tracks moves along the outer concentric circular track 101 and the inner concentric circular track 102. Figures 1-6 As shown, the crane traveling on inner and outer concentric circle tracks comprises:

[0036] A secondary beam 210 and a main beam 220 are arranged in parallel, and two ends of the secondary beam 210 and the main beam 220 slide on the outer concentric circle track 101 and the inner concentric circle track 102 respectively; the secondary beam 210 and the main beam 220 form a bridge frame 200;

[0037] An inner ring end beam group 310 and an outer ring end beam group 320 are respectively provided at both ends of the auxiliary beam 210 and the main beam 220. The auxiliary beam 210 and the main beam 220 are connected by the inner ring end beam group 310 and the outer ring end beam group 320. The outer ring end beam group 320 moves along the outer concentric circle track 101; the inner ring end beam group 310 moves along the inner concentric circle track 102.

[0038] A lifting trolley 500, which slides between the auxiliary beam 210 and the main beam 220 and is provided with a lifting device;

[0039] Horizontal wheel supports 400 are provided at both ends of the sub-beam 210 and the main beam 220. The horizontal wheel supports 400 include a support structure and a front support 410. The front support 410 is provided at the front end of the support structure and is away from the end of the sub-beam 210 or the main beam 220. The front support 410 is provided with a guide wheel, and the front support 410 is supported on the outer concentric track 101 or the inner concentric track 102 through the guide wheel.

[0040] The horizontal wheel supports 400 located near the outer ring end beam group 320 abut against the inner edge of the outer concentric circle track 101; the horizontal wheel supports 400 located near the inner ring end beam group 310 abut against the outer edge of the inner concentric circle track 102; the horizontal wheel supports 400 on the auxiliary beam 210 are arranged on the side of the auxiliary beam 210 away from the main beam 220, and the horizontal wheel supports 400 on the main beam 220 are arranged on the side of the main beam 220 away from the auxiliary beam 210;

[0041] In the present application, the horizontal wheel support 400 serves as an auxiliary structure to help the auxiliary beam 210 and the main beam 220 obtain limiting capacity, reduce the limiting force between the inner ring end beam group 310 and the outer ring end beam group 320 and the outer concentric circle track 101 and the inner concentric circle track 102, and assume the limiting support capacity through an independent structure, thereby improving the structural stability between the crane traveling on the inner and outer concentric circle tracks and the inner and outer concentric circle tracks, while reducing the blocking force of the limiting action during movement, and improving the smoothness of the movement process of the moving parts;

[0042] As a preferred implementation manner in this embodiment, the inner ring end beam group 310 includes a first power mechanism 311, a second power mechanism 312 and a connecting beam 313. The first power mechanism 311 is arranged at the end of the sub-beam 210, and the second power mechanism 312 is arranged at the end of the main beam 220; the first power mechanism 311 and the second power mechanism 312 are connected by the connecting beam 313; a rotation connection means is adopted between the first power mechanism 311, the second power mechanism 312 and the connecting beam 313, by providing a rotating shaft at both ends of the connecting beam 313 and inserting the rotating shaft into the shaft hole provided on the first power mechanism 311 and the second power mechanism 312, so as to achieve a rotation connection effect, thereby preventing the rigid connection of the three from affecting the movement process; those skilled in the art may also adopt other methods to achieve the rotation connection;

[0043] The first power mechanism 311 and the second power mechanism 312 are arranged obliquely to the connecting beam 313, so that the connecting beam 313, the first power mechanism 311 and the second power mechanism 312 form a certain arc structure, which facilitates the movement of the first power mechanism 311 and the second power mechanism 312;

[0044] The first power mechanism 311 is provided with a driven roller 3111 and a driving roller 3112, and the driving roller 3112 is connected to a driving motor assembly 3113 provided on the outer wall of the first power mechanism 311. The driving motor assembly 3113 is composed of a motor and a reducer and other equipment in the prior art. The power generated by the driving motor assembly 3113 is transmitted to the driving roller 3112, and the driven roller 3111 and the driving roller 3112 are both pressed onto the inner concentric circle track 102; the inner concentric circle track 102 is an I-shaped structure, and the driven roller 3111 and the driving roller 3112 are pressed onto the top of the inner concentric circle track 102, and the wheel surfaces of the driven roller 3111 and the driving roller 3112 are provided with a card slot, which can help the driven roller 3111 and the driving roller 3112 to be clamped onto the inner concentric circle track 102;

[0045] In this embodiment, the outer ring end beam group 320 has the same structure as the inner ring end beam group 310 , and the outer ring end beam group 320 rolls along the outer concentric circle track 101 ;

[0046] As a preferred implementation in this embodiment, the lifting trolley 500 includes a first traveling unit 510, a second traveling unit 520, and a trolley main beam 530; the first traveling unit 510 and the second traveling unit 520 are separately arranged on the trolley main beam 530, and the first traveling unit 510 and the second traveling unit 520 have the same structure as the first power mechanism 311;

[0047] The first walking unit 510 and the second walking unit 520 move along the tracks provided on the auxiliary beam 210 and the main beam 220 respectively;

[0048] The lifting equipment provided on the trolley main beam 530 can be an existing lifting equipment such as a winch; the lifting trolley 500 serves as the bearing structure of the lifting equipment and pulls the lifting equipment to move;

[0049] In a further preferred embodiment of the present invention, a horizontal wheel support 400 arranged on the main beam 220 near the outer ring end beam group 320 is taken as an example, the support structure includes a first support beam 401, a second support beam 402 and a third support beam 403, a front support 410 is arranged at the end of the third support beam 403, and the end of the third support beam 403 away from the front support 410 is connected to the main beam 220, the first support beam 401 and the second support beam 402 are respectively connected to the third support beam 403, and the ends of the first support beam 401 and the second support beam 402 away from the third support beam 403 are connected to the main beam 220;

[0050] The first support beam 401, the second support beam 402 and the third support beam 403 form a triangular pyramid structure;

[0051] In this embodiment, the first support beam 401, the second support beam 402, and the third support beam 403 form a triangular pyramidal structure to enhance the support effect of the front support 410. The front support 410 supports the outer concentric circular track 101, thereby enhancing the structural stability of the sub-beam 210 and the main beam 220. The other horizontal wheel supports 400 have the same structure, except that the connection position of the horizontal wheel supports 400 to the sub-beam 210 or the main beam 220 is different.

[0052] It should be noted that for the aforementioned embodiments, for simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present invention is not limited by the order of the actions described, because according to the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in this specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0053] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A crane running on inner and outer concentric circle tracks, characterized in that: include: A bridge frame (200), the bridge frame (200) comprising a secondary beam (210) and a main beam (220), the secondary beam (210) and the main beam (220) being arranged in parallel, a lifting trolley (500) being provided between the secondary beam (210) and the main beam (220), the lifting equipment being provided on the lifting trolley (500); the lifting trolley (500) provided with the lifting equipment sliding along the secondary beam (210) and the main beam (220); An inner ring end beam group (310) and an outer ring end beam group (320) are respectively provided at both ends of the auxiliary beam (210) and the main beam (220); the auxiliary beam (210) and the main beam (220) are connected via the inner ring end beam group (310) and the outer ring end beam group (320); and the inner ring end beam group (310) and the outer ring end beam group (320) move along inner and outer concentric circular tracks; Horizontal wheel supports (400), both ends of the auxiliary beam (210) and the main beam (220) are provided with horizontal wheel supports (400), and different horizontal wheel supports (400) are supported on inner and outer concentric circle tracks.

2. A crane running on inner and outer concentric circle tracks according to claim 1, characterized in that: The horizontal wheel support (400) includes a support structure and a front support (410), wherein the support structure includes a first support beam (401), a second support beam (402) and a third support beam (403), wherein the front support (410) is arranged at the end of the third support beam (403), wherein the first support beam (401) and the second support beam (402) are respectively connected to one end of the third support beam (403) close to the front support (410), and wherein the ends of the first support beam (401), the second support beam (402) and the third support beam (403) away from the front support (410) are respectively connected to different positions of the bridge frame (200).

3. The crane running on inner and outer concentric circle tracks according to claim 2, characterized in that: The first support beam (401), the second support beam (402) and the third support beam (403) form a triangular pyramid structure.

4. A crane traveling on inner and outer concentric circle tracks as claimed in claim 3, characterized in that: The front support (410) is provided with a guide wheel, and the horizontal wheel support (400) is supported on the inner and outer concentric circular tracks through the guide wheel.

5. The crane running on inner and outer concentric circle tracks according to claim 4, characterized in that: The inner ring end beam group (310) includes a first power mechanism (311), a second power mechanism (312) and a connecting beam (313); the first power mechanism (311) is arranged at the end of the auxiliary beam (210), and the second power mechanism (312) is arranged at the end of the main beam (220); the first power mechanism (311) and the second power mechanism (312) are connected by the connecting beam (313).

6. The crane running on inner and outer concentric circle tracks according to claim 5, characterized in that: The first power mechanism (311) and the second power mechanism (312) are arranged obliquely to the connecting beam (313).

7. The crane running on inner and outer concentric circle tracks according to claim 6, characterized in that: The first power mechanism (311) is provided with a driven roller (3111) and a driving roller (3112), the driving roller (3112) is connected to a driving motor assembly (3113) provided on the outer wall of the first power mechanism (311), and the driven roller (3111) and the driving roller (3112) are both pressed onto inner and outer concentric circular tracks.

8. The crane running on inner and outer concentric circle tracks according to claim 7, characterized in that: The first power mechanism (311) and the second power mechanism (312) have the same structure.

9. The crane running on inner and outer concentric circle tracks according to claim 7, characterized in that: The lifting trolley (500) comprises a first walking unit (510), a second walking unit (520) and a trolley main beam (530); the first walking unit (510) and the second walking unit (520) are separately arranged on the trolley main beam (530); The first walking unit (510) and the second walking unit (520) move along tracks provided on the auxiliary beam (210) and the main beam (220), respectively.

10. The crane running on inner and outer concentric circle tracks according to claim 9, characterized in that: The first walking unit (510) and the second walking unit (520) have the same structure as the first power mechanism (311).

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