CN211846908U - Base and crawler crane - Google Patents
Base and crawler crane Download PDFInfo
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- CN211846908U CN211846908U CN202020460560.6U CN202020460560U CN211846908U CN 211846908 U CN211846908 U CN 211846908U CN 202020460560 U CN202020460560 U CN 202020460560U CN 211846908 U CN211846908 U CN 211846908U
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Abstract
The utility model provides a pair of base and crawler crane relates to hoist technical field to solve crawler crane's base structure complicacy to a certain extent, the higher technical problem of manufacturing cost. The utility model provides a base for a crawler crane, which comprises a first supporting beam, a second supporting beam, a supporting plate and a base seat ring; the first support beam and the second support beam are arranged opposite to each other, the support plate is connected between the first support beam and the second support beam, and the base seat ring is arranged on the support plate and used for installing a cab of the crawler crane.
Description
Technical Field
The utility model belongs to the technical field of the hoist technique and specifically relates to a base and crawler crane are related to.
Background
The box structure of present light-tonnage crawler crane base is complicated, and this has increaseed material cost, cost of labor to different extents, and has blind spot on the welding process, and local blind spot still can accelerate the base fracture, causes the quality hidden danger, causes the influence to the operation safety.
Therefore, it is desirable to provide a base and a crawler crane to solve the problems of the prior art to some extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a base and crawler crane to it is complicated to solve crawler crane's base structure to a certain extent, the higher technical problem of manufacturing cost.
The utility model provides a base for a crawler crane, which comprises a first supporting beam, a second supporting beam, a supporting plate and a base seat ring; the first supporting beam and the second supporting beam are arranged opposite to each other, the supporting plate is connected between the first supporting beam and the second supporting beam, and the base seat ring is arranged on the supporting plate and used for installing a cab of the crawler crane.
Wherein the support plate comprises a first cover plate and a second cover plate; the first cover plate and the second cover plate are arranged oppositely, the first cover plate is connected with the upper end surface of the first supporting beam and the upper end surface of the second supporting beam, and the second cover plate is connected with the lower end surface of the first supporting beam and the lower end surface of the second supporting beam; the base seat ring is arranged on the upper end face of the first cover plate.
Specifically, the first support beam and the second support beam are respectively provided with a first convex part and a second convex part; the first convex part is arranged on the upper end surfaces of the first supporting beam and the second supporting beam, the first convex part of the first supporting beam and the first convex part of the second supporting beam protrude towards the direction close to each other, and two ends of the first cover plate are respectively connected with the first convex part on the first supporting beam and the first convex part on the second supporting beam; the second convex part set up in first supporting beam with the lower terminal surface of second supporting beam, just the second convex part of first supporting beam with the second convex part of second supporting beam is to the direction protrusion that is close to each other, the both ends of second apron respectively with second convex part on the first supporting beam with second convex part on the second supporting beam is connected.
The base provided by the utility model also comprises a first enclosing plate and a second enclosing plate, wherein the first enclosing plate and the second enclosing plate are arranged oppositely; one ends of the first supporting beam and the second supporting beam are respectively provided with a first mounting groove, and the other ends of the first supporting beam and the second supporting beam are respectively provided with a second mounting groove; two ends of the first enclosing plate are respectively connected with the first mounting groove of the first supporting beam and the first mounting groove of the second supporting beam, and two ends of the second enclosing plate are respectively connected with the second mounting groove of the first supporting beam and the second mounting groove of the second supporting beam; the first cover plate, the second cover plate, the first enclosing plate, the second enclosing plate, the first supporting beam and the second supporting beam enclose an installation space.
Specifically, first supporting beam deviates from one side of second supporting beam is equipped with first connecting portion, the second supporting beam deviates from one side of first supporting beam is equipped with the second connecting portion, first connecting portion with the second connecting portion be used for with crawler crane's track frame is connected.
Furthermore, the number of the first connecting parts is four, two of the first connecting parts are positioned on the upper end surface of the first supporting beam, and the other two first connecting parts are positioned on the lower end surface of the first supporting beam; the number of the second connecting parts is four, two of the second connecting parts are located on the upper end face of the second supporting beam, and the other two of the second connecting parts are located on the lower end face of the second supporting beam.
The first cover plate is provided with a first through hole, the second cover plate is provided with a second through hole corresponding to the first through hole, and the first through hole and the second through hole are used for construction personnel to enter the installation space.
Wherein, the base provided by the utility model also comprises a telescopic mechanism; a mounting seat is arranged on one side, facing the first cover plate, of the second cover plate, the mounting seat is used for mounting the telescopic mechanism, and the telescopic mechanism can extend towards the first enclosing plate and the second enclosing plate respectively; the first enclosing plate is provided with a third through hole, the second enclosing plate is provided with a fourth through hole, the third through hole and the fourth through hole are arranged oppositely and are located on the extending path of the telescopic mechanism, and the telescopic mechanism can penetrate through the third through hole and the fourth through hole to be connected with crawler frames on two sides of the crawler crane so as to change the distance between the crawler frames on two sides.
Specifically, telescopic machanism is flexible hydro-cylinder, and quantity is two flexible hydro-cylinder back of the body set up in on the mount pad, and one of them flexible hydro-cylinder's drive end can pass the third through-hole of first bounding wall, another flexible hydro-cylinder's drive end can pass the fourth through-hole of second bounding wall.
Compared with the prior art, the utility model provides a base has following advantage:
the utility model provides a base for a crawler crane, which comprises a first supporting beam, a second supporting beam, a supporting plate and a base seat ring; the first support beam and the second support beam are arranged opposite to each other, the support plate is connected between the first support beam and the second support beam, and the base seat ring is arranged on the support plate and used for installing a cab of the crawler crane.
From this analysis, it can be seen that the assembly and support requirements of each part of the crawler crane can be achieved by the support plates connected with the first support beam and the second support beam and the base race being arranged on the support plates.
Furthermore, the utility model also provides a crawler crane, including foretell base.
In the technical scheme, the base comprises the first supporting beam, the second supporting beam and the supporting plate, so that the supporting strength is guaranteed, the structure of the base is simplified, and the manufacturing cost and the difficulty in installation and maintenance of the base are reduced to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a base according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first viewing angle of a base according to an embodiment of the present invention.
In the figure: 1-a first support beam; 101-a first connection; 2-a second support beam; 201-a second connection portion; 3-a first convex part; 4-a second projection; 5-a first cover plate; 501-a first through hole; 6-a second cover plate; 601-a second via; 7-a first enclosing plate; 701-a third via; 8-a second enclosing plate; 801-fourth via; 9-base seat ring; 10-mounting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Fig. 1 is an exploded view of a base according to an embodiment of the present invention, showing an exploded structure of the base; fig. 2 is a schematic structural diagram of a first viewing angle of a base according to an embodiment of the present invention.
As shown in fig. 1, the utility model provides a base for a crawler crane, which comprises a first supporting beam 1, a second supporting beam 2, a supporting plate and a base seat ring 9; the first support beam 1 and the second support beam 2 are arranged opposite to each other, the support plate is connected between the first support beam 1 and the second support beam 2, and the base race 9 is arranged on the support plate for mounting the cab of the crawler crane.
Compared with the prior art, the utility model provides a base has following advantage:
the utility model provides a base for crawler crane, through the backup pad that is connected with first supporting beam 1 and second supporting beam 2, and set up base seat circle 9 in the backup pad, can realize crawler crane's each partial assembly and support requirement. Therefore, the base that this application provided had both guaranteed support intensity, had also simplified the structure of base, had reduced the manufacturing cost of base and the difficulty degree of installation maintenance to a certain extent.
It should be added that, in the present application, preferably, the first supporting beam 1 and the second supporting beam 2 are box-shaped beams, which reduces the overall weight of the base and makes the base lighter while ensuring the supporting strength.
During installation, the support plate is assembled with the first support beam 1 and the second support beam 2, and then the base seat ring 9 is assembled with the support plate. In the present application, the base race 9 is preferably connected to the support plate by welding.
As shown in fig. 1, the supporting plate includes a first cover plate 5, a second cover plate 6, a first enclosing plate 7 and a second enclosing plate 8, the first enclosing plate 7 and the second enclosing plate 8 are arranged opposite to each other, the first enclosing plate 7 is located at one end of the first supporting beam 1 and the second supporting beam 2, and the second enclosing plate 8 is located at the other end of the first supporting beam 1 and the second supporting beam 2; the first cover plate 5 and the second cover plate 6 are arranged opposite to each other, and the first cover plate 5, the second cover plate 6, the first enclosing plate 7, the second enclosing plate 8, the first supporting beam 1 and the second supporting beam 2 are combined to form an installation space.
During the assembly, for guaranteeing each structural connection department intensity, preferably, first apron 5, second apron 6, first bounding wall 7 and second bounding wall 8 all are connected with first supporting beam 1 and second supporting beam 2 through the welded mode, and this application can increase support intensity on through setting up first apron 5, second apron 6, first bounding wall 7 and second bounding wall 8 between first supporting beam 1 and second supporting beam 2.
Moreover, as shown in fig. 1 and fig. 2, a first through hole 501 is formed in the first cover plate 5, and a second through hole 601 is formed in the second cover plate 6 corresponding to the first through hole 501, when the base is assembled, the first cover plate 5 is welded with the first support beam 1 and the second support beam 2, the first enclosing plate 7 is welded with the second enclosing plate 8, and finally, an operator penetrates through the first cover plate 5 through the first through hole 501 to enter the installation space, and welds the second cover plate 6 inside, so that the base is assembled.
Because the second through hole 601 is formed in the second cover plate 6, after the base is connected with the crawler frame of the crawler crane, an operator can penetrate the second cover plate 6 through the second through hole 601 to enter the installation space of the base, and maintain and overhaul various structures of the base.
It should be added here that the base seat 9 in the present application is connected to the first cover plate 5 and is arranged on the side of the first cover plate 5 facing away from the second cover plate 6. The connection mode of each structure in this application is not limited to the welding, also can be through other like the junction trompil at each structure, through fasteners such as bolt and connect.
Specifically, as shown in fig. 1, a first protrusion 3 and a second protrusion 4 are respectively disposed on the first support beam 1 and the second support beam 2; the first convex part 3 is arranged on the upper end surfaces of the first supporting beam 1 and the second supporting beam 2, the first convex part 3 of the first supporting beam 1 and the first convex part 3 of the second supporting beam 2 are protruded towards the direction close to each other, and two ends of the first cover plate 5 are respectively connected with the first convex part 3 on the first supporting beam 1 and the first convex part 3 on the second supporting beam 2; the second convex part 4 is arranged on the lower end faces of the first supporting beam 1 and the second supporting beam 2, the second convex part 4 of the first supporting beam 1 and the second convex part 4 of the second supporting beam 2 protrude towards the direction close to each other, and two ends of the second cover plate 6 are respectively connected with the second convex part 4 on the first supporting beam 1 and the second convex part 4 on the second supporting beam 2.
The contact area between the first cover plate 5 and the second cover plate 6 and the first supporting beam 1 and the second supporting beam 2 can be increased by arranging the first convex part 3 and the second convex part 4, so that the firmness of the joint after assembly and the supporting strength of the whole device are improved.
It should be added that, in the present application, preferably, the first protrusion 3 on the first support beam 1 and the first protrusion 3 on the second support beam 2 are disposed correspondingly, the second protrusion 4 on the second support beam 2 and the second protrusion 4 on the second support beam 2 are disposed correspondingly, and the first protrusion 3 and the second protrusion 4 are both located at the middle position of the first support beam 1 and the second support beam 2, that is, the distance from the edge of the first protrusion 3 and the edge of the second protrusion 4 to the edge of the first support beam 1 and the second support beam 2 is equal. The first convex part 3 and the second convex part 4 arranged in the above way can enable the stress of the first supporting beam 1 and the second supporting beam 2 to be more uniform on one hand, and can also prevent the edges of the first cover plate 5 and the second cover plate 6 after being assembled from protruding out of the edges of the first supporting beam 1 and the second supporting beam 2 on the other hand.
As shown in fig. 1, one end of each of the first support beam 1 and the second support beam 2 is respectively provided with a first mounting groove, and the other end is respectively provided with a second mounting groove; the both ends of first bounding wall 7 are connected with the first mounting groove of first supporting beam 1 and the first mounting groove of second supporting beam 2 respectively, and the both ends of second bounding wall 8 are connected with the second mounting groove of first supporting beam 1 and the second mounting groove of second supporting beam 2 respectively.
With first bounding wall 7 and second bounding wall 8 be connected with first supporting beam 1 and second supporting beam 2 through first mounting groove and second mounting groove and can increase first bounding wall 7 and second bounding wall 8 and to the support intensity of first supporting beam 1 and second supporting beam 2, and can make the whole space utilization of the base after the assembly more reasonable.
Specifically, as shown in fig. 1, a first connecting portion 101 is disposed on a side of the first support beam 1 away from the second support beam 2, a second connecting portion 201 is disposed on a side of the second support beam 2 away from the first support beam 1, and the first connecting portion 101 and the second connecting portion 201 are used for being connected to a track frame of a crawler crane.
Connecting holes are formed in the first connecting portion 101 and the second connecting portion 201, and the base and the crawler frame can be detachably connected through fasteners such as bolts.
Preferably, as shown in fig. 1, the number of the first connecting portions 101 is four, two of the first connecting portions are located on the upper end surface of the first support beam 1, the other two first connecting portions are located on the lower end surface of the first support beam 1, and the four first connecting portions 101 are symmetrically arranged with the axis of the first support beam 1 as a symmetry axis; the number of the second connecting portions 201 is four, two of the second connecting portions 201 are located on the upper end surface of the second support beam 2, the other two of the second connecting portions are located on the lower end surface of the second support beam 2, and the four second connecting portions 201 are symmetrically arranged with the axis of the second support beam 2 as a symmetry axis.
First connecting portion 101 distributes at the up end and the terminal surface down of first supporting beam 1, and second connecting portion 201 distributes at the up end and the terminal surface down of second supporting beam 2, and first connecting portion 101 and second connecting portion 201 all use the axis of a supporting beam to set up as symmetry axis symmetry and can improve the stability after base and track frame are connected to a certain extent, also can make base and track frame stress everywhere after connecting even.
Specifically, as shown in fig. 1 in combination with fig. 2, a mounting seat 10 is provided on a side of the second cover plate 6 facing the first cover plate 5, the mounting seat 10 is used for mounting a telescopic mechanism, and the telescopic mechanism can extend towards the first enclosing plate 7 and the second enclosing plate 8 respectively; the first enclosing plate 7 is provided with a third through hole 701, the second enclosing plate 8 is provided with a fourth through hole 801, the third through hole 701 and the fourth through hole 801 are arranged oppositely and located on an extension path of the telescopic mechanism, and the telescopic mechanism can penetrate through the third through hole 701 and the fourth through hole 801 to be connected with crawler frames on two sides of the crawler crane so as to change the distance between the crawler frames on two sides.
The mounting seat 10 of the present application is disposed in the mounting space and located in the middle of the second cover plate 6, so as to separate the second through hole 601 formed in the second cover plate 6 into two through holes symmetric to the axis of the second cover plate 6.
During assembly, after the second cover plate 6 is welded, an operator enters the installation space through the second through hole 601 to assemble the installation seat 10. Preferably, the mounting seat 10 and the second cover plate 6 are connected by welding.
In this application, because telescopic machanism sets up also can play the effect of protection to telescopic machanism in the installation space of base. And the third through hole 701 arranged on the first enclosing plate 7 and the second through hole 601 arranged on the second enclosing plate 8 enable the driving end of the telescopic mechanism arranged in the mounting space to extend out of the mounting space of the base, so that the distance between the crawler frames at the two ends is changed.
This application is preferred, and telescopic machanism is flexible hydro-cylinder, and quantity is two, and two flexible hydro-cylinders set up on mount pad 10 back to the back, and the third through-hole 701 of first bounding wall 7 can be passed to the drive end of one of them flexible hydro-cylinder, and the fourth through-hole 801 of second bounding wall 8 can be passed to the drive end of another flexible hydro-cylinder.
Through two telescopic oil cylinders which are arranged on the mounting seat 10 in a back-to-back manner, when the distance between the crawler frames on two sides needs to be increased, the crawler frames at two ends can move towards the direction away from each other through the extension of the telescopic oil cylinders, and therefore the distance between the crawler frames is increased. When the distance between the two sides of the crawler frame is required to be reduced, the crawler frames at the two ends can move towards the direction close to each other by recovering the driving end of the telescopic oil cylinder, and therefore the distance between the crawler frames is reduced.
Furthermore, the utility model also provides a crawler crane, including foretell base and track frame and driver's cabin.
Crawler crane in this application, when carrying out the jack-up operation, stability when for guaranteeing the jack-up to through the distance between the track frame at telescopic cylinder increase both ends, when transporting, for reducing the occupation space of hoist when the transportation, thereby reduce the distance between the track frame at both ends through telescopic cylinder.
When the base needs to be inspected and maintained, the base enters the installation space of the base through the first through hole 501 and the second through hole 601, and therefore blind-spot-free maintenance of the base is achieved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A base is used for a crawler crane and is characterized by comprising a first supporting beam (1), a second supporting beam (2), a supporting plate and a base seat ring (9);
first supporting beam (1) with second supporting beam (2) set up relatively each other, the backup pad connect in first supporting beam (1) with between second supporting beam (2), base seat circle (9) set up in the backup pad, be used for the installation crawler crane's driver's cabin.
2. The base of claim 1, characterized in that the support plate comprises a first cover plate (5) and a second cover plate (6);
the first cover plate (5) and the second cover plate (6) are arranged opposite to each other, the first cover plate (5) is connected with the upper end surface of the first supporting beam (1) and the upper end surface of the second supporting beam (2), and the second cover plate (6) is connected with the lower end surface of the first supporting beam (1) and the lower end surface of the second supporting beam (2);
the base seat ring (9) is arranged on the upper end face of the first cover plate (5).
3. The foundation according to claim 2, characterized in that said first supporting beam (1) and said second supporting beam (2) are each provided with a first projection (3) and a second projection (4), respectively;
the first convex parts (3) are arranged on the upper end faces of the first supporting beam (1) and the second supporting beam (2), the first convex parts (3) of the first supporting beam (1) and the first convex parts (3) of the second supporting beam (2) are protruded towards the direction close to each other, and two ends of the first cover plate (5) are respectively connected with the first convex parts (3) on the first supporting beam (1) and the first convex parts (3) on the second supporting beam (2);
second convex part (4) set up in first supporting beam (1) with the lower terminal surface of second supporting beam (2), just second convex part (4) of first supporting beam (1) with second convex part (4) of second supporting beam (2) are to the direction protrusion that is close to each other, the both ends of second apron (6) respectively with second convex part (4) on first supporting beam (1) with second convex part (4) on the second supporting beam (2) are connected.
4. The base of claim 2, further comprising a first enclosure (7) and a second enclosure (8), the first enclosure (7) and the second enclosure (8) being disposed opposite one another;
one ends of the first supporting beam (1) and the second supporting beam (2) are respectively provided with a first mounting groove, and the other ends of the first supporting beam and the second supporting beam are respectively provided with a second mounting groove;
two ends of the first enclosing plate (7) are respectively connected with a first mounting groove of the first supporting beam (1) and a first mounting groove of the second supporting beam (2), and two ends of the second enclosing plate (8) are respectively connected with a second mounting groove of the first supporting beam (1) and a second mounting groove of the second supporting beam (2);
the first cover plate (5), the second cover plate (6), the first enclosing plate (7), the second enclosing plate (8), the first supporting beam (1) and the second supporting beam (2) enclose an installation space.
5. The base according to claim 1, characterized in that a side of the first support beam (1) facing away from the second support beam (2) is provided with a first connection portion (101), a side of the second support beam (2) facing away from the first support beam (1) is provided with a second connection portion (201), and the first connection portion (101) and the second connection portion (201) are used for connecting with a crawler frame of the crawler crane.
6. The base of claim 5, characterized in that the number of the first connecting portions (101) is four, two of them being located at the upper end face of the first support beam (1) and the other two being located at the lower end face of the first support beam (1);
the number of the second connecting parts (201) is four, two of the second connecting parts are positioned on the upper end face of the second supporting beam (2), and the other two of the second connecting parts are positioned on the lower end face of the second supporting beam (2).
7. The base of claim 4, wherein a first through hole (501) is formed in the first cover plate (5), a second through hole (601) is formed in the second cover plate (6) corresponding to the first through hole (501), and the first through hole (501) and the second through hole (601) are used for a constructor to enter the installation space.
8. The base of claim 4, further comprising a telescoping mechanism;
a mounting seat (10) is arranged on one side, facing the first cover plate (5), of the second cover plate (6), the mounting seat (10) is used for mounting the telescopic mechanism, and the telescopic mechanism can extend towards the first enclosing plate (7) and the second enclosing plate (8) respectively;
the crawler crane is characterized in that a third through hole (701) is formed in the first enclosing plate (7), a fourth through hole (801) is formed in the second enclosing plate (8), the third through hole (701) and the fourth through hole (801) are arranged oppositely and located on a stretching path of the telescopic mechanism, and the telescopic mechanism can penetrate through the third through hole (701) and the fourth through hole (801) to be connected with crawler frames on two sides of the crawler crane so as to change the distance between the crawler frames on two sides.
9. The base of claim 8, wherein the number of the telescopic mechanisms is two, two telescopic cylinders are oppositely arranged on the mounting seat (10), and the driving end of one telescopic cylinder can pass through the third through hole (701) of the first enclosing plate (7), and the driving end of the other telescopic cylinder can pass through the fourth through hole (801) of the second enclosing plate (8).
10. A crawler crane comprising a base as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460560.6U CN211846908U (en) | 2020-04-01 | 2020-04-01 | Base and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020460560.6U CN211846908U (en) | 2020-04-01 | 2020-04-01 | Base and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211846908U true CN211846908U (en) | 2020-11-03 |
Family
ID=73144627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020460560.6U Expired - Fee Related CN211846908U (en) | 2020-04-01 | 2020-04-01 | Base and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211846908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320083A (en) * | 2020-04-01 | 2020-06-23 | 浙江三一装备有限公司 | Base and crawler crane |
-
2020
- 2020-04-01 CN CN202020460560.6U patent/CN211846908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320083A (en) * | 2020-04-01 | 2020-06-23 | 浙江三一装备有限公司 | Base and crawler crane |
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Granted publication date: 20201103 |