CN215634088U - Telescopic oil cylinder guide mechanism and crane - Google Patents
Telescopic oil cylinder guide mechanism and crane Download PDFInfo
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- CN215634088U CN215634088U CN202121310922.4U CN202121310922U CN215634088U CN 215634088 U CN215634088 U CN 215634088U CN 202121310922 U CN202121310922 U CN 202121310922U CN 215634088 U CN215634088 U CN 215634088U
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- telescopic cylinder
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Abstract
The utility model relates to the technical field of cranes, and provides a telescopic cylinder guide mechanism and a crane, which comprise guide slide block assemblies, wherein the guide slide block assemblies are arranged on two sides of a telescopic cylinder relatively, and each guide slide block assembly comprises: the guide sliding block is arranged on the outer side of the telescopic oil cylinder; the mounting piece is arranged on the outer side of the guide sliding block; the first bolt pair is arranged on the mounting piece and is abutted against the outer side of the guide sliding block; at least one second bolt pair which is arranged on the mounting piece and part of which extends into the guide sliding block along the height direction; and the elastic piece is sleeved on the part of the second bolt pair and is abutted against the inner wall of the guide sliding block. The utility model can realize the accurate stepless adjustment of the height of the guide slide block, does not need to assemble and disassemble parts in the adjustment process, and has the characteristics of simple operation and high efficiency.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a telescopic oil cylinder guide mechanism and a crane.
Background
As shown in fig. 1 and 2, when a boom extension cylinder 1 of a crane slides in a boom barrel, the extension cylinder 1 slides in a guide mechanism 3 on a boom tail 2, the sliding direction is as shown by an arrow in fig. 1, the existing guide mechanism 3 includes two sets of upper and lower guide slider assemblies oppositely arranged on two sides of the extension cylinder 1, a guide slider 4 of each guide slider assembly is fixed on a mounting plate 6 through a fastening bolt 5, a backing plate 7 is arranged between the guide slider 4 and the mounting plate 6, and the backing plate 7 is fixed through the fastening bolt 5. Due to the problems of assembly and welding size, in order to ensure that the guide sliding blocks of all the sections of arms are positioned on the same plane, the height of the guide sliding blocks needs to be adjusted. It is common practice to adjust the height of each arm guide slide by changing the number of shim plates 7. However, there are the following problems: (1) when the thickness of the base plate cannot be matched with the height to be adjusted, the height of each section of arm guide slide block is difficult to keep consistent and cannot be accurately adjusted; (2) when the height of the guide sliding block is adjusted, the fastening bolts need to be detached, and after the number of the base plates is assembled, the fastening bolts need to be assembled, so that the assembly and disassembly are complicated and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a telescopic oil cylinder guide mechanism and a crane, which can realize accurate stepless adjustment of the height of a guide slide block, do not need to assemble and disassemble parts in the adjustment process, and have the characteristics of simple operation and high efficiency.
The utility model provides a telescopic cylinder guide mechanism, which comprises guide slide block components, wherein the guide slide block components are oppositely arranged at two sides of a telescopic cylinder, and the guide slide block components comprise: the guide sliding block is arranged on the outer side of the telescopic oil cylinder; the mounting piece is arranged on the outer side of the guide sliding block; the first bolt pair is arranged on the mounting piece and is abutted against the outer side of the guide sliding block; at least one second bolt pair which is arranged on the mounting piece and part of which extends into the guide sliding block along the height direction; and the elastic piece is sleeved on the part of the second bolt pair and is abutted against the inner wall of the guide sliding block.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the guide sliding block is provided with a through hole for allowing a part of the second bolt pair to pass through and an accommodating hole for accommodating the part of the second bolt pair.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the bolt head of the second bolt pair is positioned in the accommodating hole, and the nut of the second bolt pair is positioned on the outer side of the mounting piece.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the nut of the second bolt pair is positioned in the accommodating hole, and the bolt head of the second bolt pair is positioned on the outer side of the mounting piece.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the aperture of the accommodating hole is larger than that of the through hole.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the second bolt pair is symmetrically arranged by taking the first bolt pair as a center.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the first bolt pair is detachably connected with the mounting piece through threads.
According to the telescopic oil cylinder guide mechanism provided by the utility model, the second bolt pair is detachably connected with the mounting piece through threads.
According to the telescopic oil cylinder guide mechanism provided by the utility model, double nuts are respectively sleeved on the bolt of the first bolt pair and the bolt of the second bolt pair.
The utility model also provides a crane, which comprises a crane boom and the telescopic oil cylinder guide mechanism, wherein the telescopic oil cylinder guide mechanism is arranged on the tail of the crane boom.
According to the telescopic oil cylinder guide mechanism and the crane, the guide sliding block is guided and limited through the second bolt pair, the guide sliding block is supported on the second bolt pair through the elastic piece, and when the height distance between the guide sliding block and the telescopic oil cylinder needs to be adjusted, only the first bolt pair needs to be adjusted. Therefore, the guide mechanism can realize the accurate stepless adjustment of the height of the guide slide block under the action of the elastic part, and effectively ensure that the guide surfaces of the guide slide blocks of all sections of arms are positioned on the same plane; and the adjusting process does not need to assemble and disassemble parts, and the device has the characteristics of simple operation and high efficiency.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or 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 those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is an assembled schematic view of a prior art guide mechanism;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an assembly view of the telescopic cylinder guide mechanism provided by the present invention;
FIG. 4 is a partial enlarged view of FIG. 3 at B;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 6 is an enlarged view of a portion of FIG. 5 at D;
reference numerals:
1: a telescopic oil cylinder; 2: an arm tail; 3: a guide mechanism;
4: a guide slider; 5: fastening a bolt; 6: mounting a plate;
7: a base plate; 8: a mounting member; 9: a first bolt pair;
91: a nut of the first bolt pair; 10: a second bolt pair; 101: a bolt of the second bolt pair;
102: a nut of the second bolt pair; 11: an elastic member; 12: an accommodation hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The telescopic cylinder guide mechanism of the present invention will be described with reference to fig. 3 to 6.
According to the embodiment of the utility model, the telescopic cylinder guide mechanism 3 provided by the utility model comprises guide slide block assemblies, and when the telescopic cylinder guide mechanism is installed, two groups of guide slide block assemblies are respectively and oppositely arranged on two sides of the telescopic cylinder 1 so as to guide the telescopic cylinder 1. As shown in fig. 4 and 6, the guide slider assembly mainly includes: the guide slide 4, the mounting piece 8, the first bolt pair 9, the second bolt pair 10 and the elastic piece 11. The guide sliding blocks 4 are arranged on the outer side of the telescopic oil cylinder 1, and the telescopic oil cylinder 1 slides between the two guide sliding blocks 4; the mounting part 8 is fixedly arranged on the outer side of the guide slide 4. It should be understood that the side of the guide slider 4 close to the telescopic cylinder 1 is the inner side, and correspondingly, the side far from the telescopic cylinder 1 is the outer side, specifically, as shown in fig. 4, the outer sides are the upper side and the lower side of the telescopic cylinder 1, respectively.
At least one second bolt pair 10 is arranged on the mounting part 8, and specifically, a bolt 101 of the second bolt pair penetrates through the mounting part 8 and is arranged along the height direction; and the part of the second bolt pair 10 extends into the guide sliding block 4 along the height direction, and the second bolt pair 10 is used for guiding and limiting the guide sliding block 4, so that the guide sliding block 4 moves up and down along the bolt 101 of the second bolt pair.
Therefore, the telescopic oil cylinder guide mechanism provided by the embodiment of the utility model guides and limits the guide sliding block through the second bolt pair, the guide sliding block is supported on the second bolt pair through the elastic part, and when the height distance between the guide sliding block and the telescopic oil cylinder needs to be adjusted, only the first bolt pair needs to be adjusted. The guide mechanism can realize the accurate stepless adjustment of the height of the guide slide block under the action of the elastic part, and effectively ensures that the guide surfaces of the guide slide blocks of all sections of arms are positioned on the same plane; in addition, in the adjusting process, parts such as fastening bolts, backing plates and the like do not need to be assembled and disassembled, and the adjusting device has the characteristics of simplicity in operation and high efficiency.
According to the embodiment of the utility model, the mounting part 8 and the boom tail 2 of the crane boom can be of a split structure and can be detachably fixed on the boom tail 2 of the crane boom through bolts; the installation part 8 and the arm tail 2 of the crane arm can also be of an integrated structure, and the guide sliding block 4 is directly installed on the original installation structure of the crane arm, so that the material and the cost can be saved, and the structure and the installation process can be optimized. The specific type of the mounting member 8 of the present invention is not particularly limited as long as it can function as a mounting carrier, and may be, for example, a mounting plate.
According to an embodiment of the present invention, as shown in fig. 6, the guide slider 4 is provided with a through hole and a receiving hole 12, the bolt 101 of the second bolt pair passes through the through hole, a part of the bolt is located in the receiving hole 12 of the guide slider 4, and the other part of the bolt is connected with the mounting member 8.
In one embodiment, the nut 102 of the second bolt pair is located within the receiving bore 12 and the head of the bolt 101 of the second bolt pair is located outside the mounting member 8. When the guide slider 4 is installed, the bolt 101 of the second bolt pair penetrates through the installation piece 8 and extends into the accommodating hole 12 of the guide slider 4, the nut 102 of the second bolt pair is sleeved on the bolt 101 of the second bolt pair in the accommodating hole 12, the upper end and the lower end of the elastic piece 11 are respectively abutted against the inner wall of the accommodating hole 12 of the guide slider 4 and the nut 102 of the second bolt pair, and the guide slider 4 moves up and down on the elastic piece 11 along the bolt 101 of the second bolt pair.
It can be understood that the nut 91 of the second bolt pair of the above embodiment is located in the receiving hole 12, and is not easy to screw. Therefore, in a preferred embodiment, as shown in fig. 6, the head of the bolt 101 of the second bolt pair is located in the receiving hole 12, and the nut 102 of the second bolt pair is located outside the mounting member 8, so as to facilitate screwing. When the guide slider 4 is mounted, the bolts 101 of the second bolt pair penetrate the mounting member 8 from the inside of the receiving holes 12 of the guide slider 4 to the outside and are fastened by the nuts 102 of the second bolt pair, the upper end and the lower end of the elastic member 11 are respectively abutted against the inner wall of the receiving holes 12 of the guide slider 4 and the heads of the bolts 101 of the second bolt pair, and the guide slider 4 moves up and down on the elastic member 11 along the bolts 101 of the second bolt pair.
Further, the aperture of the receiving hole 12 is larger than that of the through hole, so that the elastic member 11 can abut against the inner wall of the receiving hole 12; and the accommodation hole 12 is sealed by the outer wall of the telescopic cylinder 1, so that the elastic member 11 and the second bolt pair 10 can be protected.
According to the embodiment of the utility model, as shown in fig. 4, the second bolt pairs 10 are symmetrically distributed around the first bolt pair 9 for keeping the balance of the guide sliders 4 so as to improve the height uniformity of the guide sliders of each arm.
According to the embodiment of the utility model, the first bolt pair 9 and the second bolt pair 10 are respectively in threaded connection with the mounting part 8, so that the mounting and dismounting are convenient; and the bolt of the first bolt pair 9 and the bolt 101 of the second bolt pair are respectively sleeved with double nuts, namely, one nut is connected with the bolt and then connected with the nut, and the bolt is prevented from loosening by the way of double nut connection.
The working principle of the guiding mechanism of the present invention is described below, taking the upper guiding sliding block shown in fig. 4 as an example, the guiding mechanism mainly includes: when the upper guide slide block needs to be adjusted downwards, firstly, the nut 91 of the first bolt pair is loosened, then the bolt of the first bolt pair 9 is adjusted downwards to extrude the guide slide block 4, the elastic part 11 is compressed, the guide slide block 4 moves downwards on the elastic part 11 along the bolt 101 of the second bolt pair, and when the upper guide slide block is adjusted to a proper distance, the nut 91 of the first bolt pair is locked, so that the position of the upper guide slide block 4 moves downwards. Other adjustment procedures are similar to this operation procedure.
The utility model also provides a crane, as shown in fig. 3 and 5, which comprises a crane boom and the telescopic cylinder guide mechanism of the embodiment, wherein the telescopic cylinder guide mechanism is arranged on the tail 2 of the crane boom.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a telescopic cylinder guiding mechanism which characterized in that, includes direction slider subassembly for set up in telescopic cylinder's both sides relatively, the direction slider subassembly includes:
the guide sliding block is arranged on the outer side of the telescopic oil cylinder;
the mounting piece is arranged on the outer side of the guide sliding block;
the first bolt pair is arranged on the mounting piece and is abutted against the outer side of the guide sliding block;
at least one second bolt pair which is arranged on the mounting piece and part of which extends into the guide sliding block along the height direction;
and the elastic piece is sleeved on the part of the second bolt pair and is abutted against the inner wall of the guide sliding block.
2. The telescopic cylinder guide mechanism according to claim 1, wherein the guide slider is provided with a through hole for passing a part of the second bolt pair and a receiving hole for receiving a part of the second bolt pair.
3. The telescopic cylinder guide mechanism according to claim 2, wherein the bolt head of the second bolt pair is located in the receiving hole, and the nut of the second bolt pair is located outside the mounting member.
4. The telescopic cylinder guide mechanism according to claim 2, wherein the nut of the second bolt pair is located in the receiving hole, and the head of the bolt of the second bolt pair is located outside the mounting member.
5. The telescopic cylinder guide mechanism according to claim 2, wherein the aperture of the accommodation hole is larger than the aperture of the through hole.
6. The telescopic cylinder guide mechanism according to claim 1, wherein the second bolt pair is arranged symmetrically with respect to the first bolt pair.
7. The telescopic cylinder guide mechanism according to claim 1, wherein the first bolt pair is detachably screwed to the mounting member.
8. The telescopic cylinder guide mechanism according to claim 1, wherein the second bolt pair is detachably screwed to the mounting member.
9. The telescopic cylinder guide mechanism according to claim 1, wherein double nuts are respectively sleeved on the bolts of the first bolt pair and the bolts of the second bolt pair.
10. A crane comprising a boom and a telescopic cylinder guide as claimed in any one of claims 1 to 9, the telescopic cylinder guide being provided on the tail of the boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310922.4U CN215634088U (en) | 2021-06-11 | 2021-06-11 | Telescopic oil cylinder guide mechanism and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121310922.4U CN215634088U (en) | 2021-06-11 | 2021-06-11 | Telescopic oil cylinder guide mechanism and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634088U true CN215634088U (en) | 2022-01-25 |
Family
ID=79942978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121310922.4U Active CN215634088U (en) | 2021-06-11 | 2021-06-11 | Telescopic oil cylinder guide mechanism and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634088U (en) |
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2021
- 2021-06-11 CN CN202121310922.4U patent/CN215634088U/en active Active
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