CN222629458U - Crawler frame and crawler crane - Google Patents
Crawler frame and crawler crane Download PDFInfo
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- CN222629458U CN222629458U CN202421522915.4U CN202421522915U CN222629458U CN 222629458 U CN222629458 U CN 222629458U CN 202421522915 U CN202421522915 U CN 202421522915U CN 222629458 U CN222629458 U CN 222629458U
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- crawler frame
- crawler
- block
- limiting
- bottom plate
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Abstract
The application relates to the technical field of engineering machinery, and discloses a crawler frame and a crawler crane. The crawler frame comprises a crawler frame bottom plate, a plurality of thrust wheels, a reinforcing support assembly and a supporting frame assembly, wherein the thrust wheels are fixedly arranged on the crawler frame bottom plate through thrust wheel installation blocks at two ends, and the reinforcing support assembly is tightly arranged on the outer side of the thrust wheel installation blocks and is fixed on the crawler frame bottom plate. The crawler crane comprises the crawler frame, and the reinforcing support component which is tightly attached to the outer side of the supporting wheel mounting block can provide supporting force opposite to the shearing force for the supporting wheel mounting block when the supporting wheel mounting block bears the shearing force so as to lighten the influence of the shearing force on the supporting wheel mounting block. The crawler frame and the crawler crane can improve the side load resistance of the thrust wheel of the crawler frame and the reliability of the crawler frame. The side load resistance of the thrust wheel of the crawler frame and the reliability of the crawler frame can improve the reliability of the crawler crane in complex environments and under long-time operation.
Description
Technical Field
The application belongs to the technical field of engineering machinery, and particularly relates to a crawler frame and a crawler crane.
Background
The crawler crane has the advantages of small ground specific pressure, small turning radius, strong climbing capacity, strong lifting capacity, no need of supporting legs, good operation stability and the like, and is widely applied to various construction projects such as petrochemical industry, nuclear power, wind power, subway and the like. When the tracked vehicle performs steering action, because the actual field is generally worse than the ideal state, the torque born by the thrust wheel is far greater than the theoretical calculated value, and the torque generated by the steering action is resisted only by the friction generated by the pretightening force of the installation bolt of the thrust wheel, so that the risk of bolt fracture and the failure of the thrust wheel is increased.
Disclosure of Invention
The application aims to provide a crawler frame and a crawler crane, so as to improve the side load resistance of a thrust wheel of the crawler frame and the reliability of the crawler frame.
To achieve the above object, an aspect of the present application provides a track frame including:
A track frame bottom plate;
The supporting wheels are fixedly arranged on the bottom plate of the crawler frame through supporting wheel mounting blocks at two ends;
The reinforcing support component is tightly attached to the outer side of the supporting wheel mounting block and is fixed on the bottom plate of the crawler frame.
In some embodiments, the reinforcing support assembly comprises:
the positioning blocks are arranged on the outer sides of the supporting wheel mounting blocks at intervals in parallel and are welded and fixed on the bottom plate of the crawler frame;
the adjusting block is inserted into a gap between the positioning block and the thrust wheel mounting block.
In some embodiments, the reinforcing support assembly comprises:
And the limiting bottom plate is detachably arranged on the positioning block and the adjusting block and is used for limiting the adjusting block.
In some embodiments, a concave limiting groove is vertically communicated on the limiting bottom plate, a convex limiting part protruding upwards is arranged on the top edge of the adjusting block, and the convex limiting part is inserted into the concave limiting groove.
In some embodiments, the spacing bottom plate is fixedly mounted on the top end surface of the positioning block by a plurality of spacing fasteners.
In some embodiments, the top end of the adjustment block integrally extends a limit base plate for limiting the adjustment block.
In some embodiments, the adjustment block is a flat plate or wedge block.
In some embodiments, the thrust wheel mounting blocks are securely mounted to the track frame base plate by a plurality of mounting fasteners.
In some embodiments, the reinforcing brace assembly is disposed at least at both ends of the front first thrust wheel of the track frame base plate and at both ends of the rear first thrust wheel of the track frame base plate.
In another aspect, the application provides a crawler crane comprising the crawler frame described above.
In the technical scheme of the application, the reinforcing support component is tightly attached to the outer side of the supporting wheel mounting block and is fixed on the bottom plate of the crawler frame. The reinforcing support assembly can provide supporting force for the supporting wheel mounting block. In actual conditions, when the body of the track frame is steering, the side load between the thrust wheel and the track is difficult to predict, and therefore the thrust wheel mounting block fixedly mounted on the bottom plate of the track frame may need to bear extremely large shear stress, so that the thrust wheel mounting block fails. The reinforced supporting component can be abutted with the outer side of the supporting wheel mounting block and provide supporting force opposite to the shearing stress so as to reduce the damage effect of the shearing stress on the supporting wheel mounting block and further improve the side load resistance of the supporting wheel of the track frame and the reliability of the track frame.
Additional features and advantages of embodiments of the application will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain, without limitation, the embodiments of the application. Other figures may be made from the structures shown in these figures without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 is a schematic view of a track frame according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion at A in FIG. 1;
FIG. 3 is a schematic view of the reinforcing support assembly of FIG. 2;
FIG. 4 is a bottom view of the reinforcing brace assembly of FIG. 3;
Fig. 5 is a side view of the track frame of fig. 1.
Description of the reference numerals
100. Thrust wheel 311 limiting bottom plate
110. Concave limit groove of thrust wheel mounting block 311a
210. Track frame bottom plate 313 limit fastener
300. Reinforcing support assembly 320 adjustment block
310. Positioning block 321 bulge limiting part
Detailed Description
The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.
The track frame and the crawler crane according to the present application are described below with reference to the accompanying drawings.
In the present application, unless otherwise specified, the terms "upper, lower, front, rear, inner, and outer" and "upper, lower, front, rear, inner, and outer" are used to refer to the orientations shown in the drawings. When not referring to the drawings, "inner and outer" refer to the lateral inner and outer with respect to the axis of the track frame base plate 210.
The application discloses a novel crawler frame, as shown in fig. 1, 2 and 4, the crawler frame in a specific embodiment comprises:
track frame base plate 210;
The plurality of thrust wheels 100, the thrust wheels 100 are fixedly mounted on the track frame bottom plate 210 through thrust wheel mounting blocks 110 at two ends;
The reinforcing support member 300 is disposed closely to the outer side of the thrust wheel mounting block 110 and is fixed to the track frame base plate 210.
In actual working conditions (such as complex environments like a mud-stone road surface, etc.), when the vehicle body of the track frame performs a steering action, side loads between the thrust wheel 100 and the track are difficult to predict due to external environmental effects, so the thrust wheel mounting block 110 fixedly mounted on the track frame bottom plate 210 may need to bear shearing stress of far exceeding design strength, so that the thrust wheel mounting block 110 fails. Referring to fig. 2 or 4, when the supporting wheel mounting block 110 receives the shearing force, the reinforcing support assembly 300 closely attached to the outer side of the supporting wheel mounting block 110 can provide a supporting force opposite to the shearing force to the supporting wheel mounting block 110 so as to reduce the influence of the shearing force on the supporting wheel mounting block 110. Compared with the design mode of resisting the shearing stress by only relying on the mounting bolts of the supporting wheel mounting blocks 110 in the prior art, the application greatly improves the side load resistance of the supporting wheels 100 of the track frame and the reliability of the track frame.
The connection mode between the reinforcing support assembly 300 and the track frame base plate 210 may be detachable connection or integrated.
On the basis of greatly reducing the influence of the shear stress on the thrust wheel mounting block 110, in the present embodiment, as shown in fig. 2 and 3, the reinforcing support assembly 300 includes:
The positioning blocks 310 are arranged on the outer side of the thrust wheel mounting block 110 at intervals in parallel, and the positioning blocks 310 are welded and fixed on the track frame bottom plate 210;
The adjusting block 320 is inserted into a gap between the positioning block 310 and the thrust wheel mounting block 110.
Specifically, referring to fig. 3, the positioning block 310 may provide a supporting force to the outside of the thrust wheel mounting block 110 through the adjusting block 320 inserted in the gap between the positioning block 310 and the thrust wheel mounting block 110. By means of the arrangement, the supporting of the positioning block 310 to the supporting wheel mounting blocks 110 with different sizes can be achieved through the replaceable adjusting blocks 320, and the pre-tightening supporting effect of the positioning block 310 to the supporting wheel mounting blocks 110 can be adjusted through the replacement of the adjusting blocks 320 with different sizes.
In this embodiment, the reinforcing brace assembly 300 further includes:
The limiting bottom plate 311 is detachably mounted on the positioning block 310 and the adjusting block 320 and is used for limiting the adjusting block 320.
Specifically, such an arrangement facilitates further securement of the adjustment block 320 that is inserted into the gap between the positioning block 310 and the thrust wheel mounting block 110. When the adjustment block 320 provides a supporting force to the outside of the thrust wheel mounting block 110, the adjustment block 320 is clamped between the positioning block 310 and the thrust wheel mounting block 110. When there is no clamping force between the roller mounting block 110 and the roller mounting block 110, the adjustment block 320 may be separated from the gap between the positioning block 310 and the roller mounting block 110 due to vibration of the track frame, etc., and thus, the introduction of the limit base 311 can limit the limit base 311 in the gap between the positioning block 310 and the roller mounting block 110. In addition, the detachable arrangement of the limiting bottom plate 311 is also beneficial to the replacement of the adjusting block 320.
Of course, the limiting base plate 311 is not limited to the above-mentioned detachable positioning block 310, and the limiting base plate 311 and the adjusting block 320 may be integrally provided, or the top end of the positioning block 310 may integrally extend to form the limiting base plate 311 for limiting the adjusting block 320.
The limiting bottom plate 311 may have various limiting modes for the adjusting block 320, and preferably, in this embodiment, as shown in fig. 2 and 3, a vertically penetrating concave limiting groove 311a is formed in the limiting bottom plate 311, a protruding limiting portion 321 protruding upwards is formed on the top edge of the adjusting block 320, and the protruding limiting portion 321 is inserted into the concave limiting groove 311 a.
Referring to fig. 3, the cooperation of the protruding limiting portion 321 and the concave limiting groove 311a can realize the limiting of the adjusting block 320 with respect to the limiting base plate 311. So set up, limit bottom plate 311's simple structure, easily processing and ann tear open, and spacing effectual.
Of course, the concave limiting groove 311a may be provided so as not to vertically penetrate. In addition, the limiting manner of the adjusting block 320 relative to the limiting base plate 311 is not limited to the above-mentioned mutual engagement of the protruding limiting portion 321 and the recessed limiting groove 311 a. It will be appreciated by those skilled in the art that the limiting manner of the adjusting block 320 relative to the limiting base plate 311 may further include that the top edge of the adjusting block 320 is provided with a recess, and the limiting base plate 311 is formed with a protrusion extending inward for cooperating with the recess to limit the adjusting block 320, or the like.
In the present embodiment, as shown in fig. 3, the limiting base plate 311 is fastened and mounted on the top end surface of the positioning block 310 by a plurality of limiting fasteners 313.
Specifically, referring to fig. 3, the limiting base plate 311 includes limiting fastener mounting holes disposed at front and rear ends of the limiting base plate 311, the positioning block 310 includes a threaded hole aligned with the limiting fastener mounting holes, the limiting fastener 313 is a bolt, and the limiting fastener 313 is connected with the limiting fastener mounting holes and the threaded hole in a penetrating manner. By the arrangement, the limiting bottom plate 311 can be conveniently and quickly disassembled and assembled.
Of course, the connection relationship between the stopper fastening member 313 and the stopper bottom plate 311 is not limited to the illustrated through connection, and other relationships such as the integral arrangement may be adopted, and the stopper fastening member 313 is not limited to the above-described bolt, and may be a pin or the like.
In some embodiments, the top end of the adjustment block 320 integrally extends with a limiting base plate 311 for limiting the adjustment block 320.
Specifically, so set up, overall structure is simple and easily installs and removes.
In this embodiment, the adjustment block 320 is a flat plate.
Specifically, referring to fig. 3 and 4, the adjustment block 320 is a flat plate, so that the overall structure is simple and the processing of the adjustment block 320 is easy.
Of course, the adjusting block 320 may be a wedge block gradually reducing in the insertion direction. It will be appreciated by those skilled in the art that the contact force between the adjustment block 320 and the positioning block 310 can be adjusted by adjusting the manner of insertion of the wedge block, and thus the amount of support force provided by the adjustment block 320 to the outside of the thrust wheel mounting block 110 can be adjusted. So set up, simple structure and practicality are strong.
In this embodiment, as shown in fig. 2 to 4, the thrust wheel mounting block 110 is fastened to the track frame base plate 210 by a plurality of mounting fasteners.
Specifically, referring to fig. 3, the arrangement is not only beneficial to the disassembly, assembly and replacement of the thrust wheel mounting block 110, but also has the advantages of simple structure, easy processing and good universality.
In the present embodiment, as shown in fig. 5, the reinforcing brace assembly 300 is provided at least at both ends of the first thrust wheel at the front end of the track frame base plate 210 and both ends of the first thrust wheel at the rear end of the track frame base plate 210.
The supporting wheel 100 disposed at the front end of the track frame is maximally stressed when the vehicle body is steered during the forward movement, so that the reinforcing and supporting components 300 should be disposed at both ends of the first supporting wheel at the front end of the track frame base plate 210 in a targeted manner, and in the same manner, the reinforcing and supporting components 300 should be disposed at both ends of the first supporting wheel at the rear end of the track frame base plate 210 in the reverse movement of the vehicle body. It will be appreciated by those skilled in the art that providing reinforcing brace assemblies 300 at both ends of the other track roller 100 also facilitates the side load resistance of the track roller 100 of the track frame and the reliability of the track frame.
The application discloses a novel crawler crane, and the crawler crane in a specific embodiment comprises the crawler frame.
The shearing stress influence condition of the supporting wheel mounting blocks 110 is improved, so that the side load resistance of the supporting wheels 100 of the crawler frame and the reliability of the crawler frame can be improved, and the reliability of the crawler crane in a complex environment and under long-time operation can be improved.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interactive relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421522915.4U CN222629458U (en) | 2024-06-28 | 2024-06-28 | Crawler frame and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421522915.4U CN222629458U (en) | 2024-06-28 | 2024-06-28 | Crawler frame and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222629458U true CN222629458U (en) | 2025-03-18 |
Family
ID=94935075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421522915.4U Active CN222629458U (en) | 2024-06-28 | 2024-06-28 | Crawler frame and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222629458U (en) |
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2024
- 2024-06-28 CN CN202421522915.4U patent/CN222629458U/en active Active
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