CN220890709U - Arm support pin shaft limiting device - Google Patents
Arm support pin shaft limiting device Download PDFInfo
- Publication number
- CN220890709U CN220890709U CN202322249504.4U CN202322249504U CN220890709U CN 220890709 U CN220890709 U CN 220890709U CN 202322249504 U CN202322249504 U CN 202322249504U CN 220890709 U CN220890709 U CN 220890709U
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- fixing
- fixing seat
- close
- hole
- cantilever crane
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cantilever crane pin shaft limiting devices, in particular to a cantilever crane pin shaft limiting device which comprises a cantilever crane main body, wherein a through hole is formed in one side surface of the cantilever crane main body, a pin shaft is arranged on one side surface of the cantilever crane main body, which is close to the through hole.
Description
Technical Field
The utility model relates to the technical field of cantilever crane pin shaft limiting devices, in particular to a cantilever crane pin shaft limiting device.
Background
In the pump truck product, the two components are connected with each other to rotate relatively, for example, the amplitude cylinder and the arm support are connected by a pin shaft, if the amplitude cylinder needs to rotate under the action of external force by taking the pin shaft as a center point, the pin shaft can rotate along with the amplitude cylinder due to the action of friction when the amplitude cylinder rotates, and at the moment, if the pin shaft rotates along with the arm support, various damages of the pin shaft can be caused. The pin is fixed while the axial position is restricted from moving.
The existing pin shaft fixing mode is mainly characterized in that steel bars are inserted into insertion holes at one end of the pin shaft to be clamped and fixed, two ends of the steel bars are bent to be protected against falling, and the steel bars have the risk of sliding deformation during stressed impact or collision, so that potential safety hazards exist.
In summary, the utility model solves the existing problems by designing the arm support pin shaft limiting device.
Disclosure of utility model
The utility model aims to provide a cantilever crane pin shaft limiting device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a cantilever crane round pin axle stop device, includes the cantilever crane main part, cantilever crane main part side is provided with the through-hole, cantilever crane main part is close to through-hole one side and is provided with the round pin axle, cantilever crane main part is close to one side of through-hole and is provided with fixed screw, round pin axle one side is provided with first fixing base, first fixing base one side is provided with the locating hole, first fixing base is close to locating hole one side and is provided with fixing bolt, first fixing base is close to round pin axle one side and is provided with the internal thread structure, first fixing base is close to internal thread structure one side and is provided with spacing post, spacing post one side is provided with the fixed orifices, spacing post is close to one side of fixed orifices and is provided with the external thread structure, spacing post is kept away from one end of first fixing base and is provided with the second fixing base.
As a preferable scheme of the utility model, one end of the pin shaft penetrates through the arm support main body, two groups of penetrating through holes are reserved at one end of the pin shaft, which is close to the fixed screw hole, and the inner diameters of the two groups of penetrating through holes are identical in size corresponding to the limit posts and are in fit connection.
As a preferable scheme of the utility model, the first fixing seat is in threaded connection with the limiting column, and external thread structures are reserved at two ends of the limiting column and are in threaded connection with internal thread structures on the corresponding first fixing seat and the second fixing seat.
As a preferable scheme of the utility model, when the first fixing seat is in threaded connection with the limit column, the positioning holes are parallel to the fixing holes, the positioning holes and the inner ring surfaces of the fixing holes are respectively reserved with a threaded structure, and the second fixing seat is installed in a similar way.
As a preferable scheme of the utility model, one end of the fixing bolt penetrates through the first fixing seat and the limiting column, is connected with the fixing screw hole in a threaded manner and extends into the arm support main body, and two groups of fixing bolts are arranged on the first fixing seat and the second fixing seat in a total mode and are parallel in position.
As a preferable scheme of the utility model, the first fixing seat and the second fixing seat are rectangular outline structures, and the maximum outline of the first fixing seat and the second fixing seat is larger than the maximum diameter of the limiting column.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the arm support pin shaft limiting device, one end of a pin shaft in the device is inserted into a through hole in an arm support main body, two groups of arm support main bodies are connected in a clamping mode, a limiting column is inserted into the through hole at one end of the pin shaft, external thread structures are reserved at two ends of the limiting column, the first fixing seat and the second fixing seat are connected in a threaded mode, the locating holes reserved on the first fixing seat and the second fixing seat are parallel to fixing holes, fixing bolts are inserted, one end of each fixing bolt penetrates through the locating holes and the fixing holes, and the fixing bolts extend into the fixing screw holes to be locked and fixed, so that the limiting column can be fixed on the arm support main body, safety is improved, and a simple fixing mode of traditional equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of the portion of FIG. 2 according to the present utility model;
fig. 4 is a schematic view of the pin structure of the present utility model.
In the figure: 1. a boom body; 2. a through hole; 3. a pin shaft; 4. fixing the screw holes; 5. a first fixing seat; 6. positioning holes; 7. a fixing bolt; 8. an internal thread structure; 9. a limit column; 10. a fixing hole; 11. an external thread structure; 12. the second fixing seat.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, but in which the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present utility model provides a technical solution:
The utility model provides a cantilever crane round pin axle stop device, including cantilever crane main part 1, cantilever crane main part 1 side is provided with through-hole 2, cantilever crane main part 1 is close to through-hole 2 side and is provided with round pin axle 3, cantilever crane main part 1 is close to through-hole 2 side and is provided with fixed screw 4, round pin axle 3 side is provided with first fixing base 5, first fixing base 5 side is provided with locating hole 6, first fixing base 5 is close to locating hole 6 side and is provided with fixing bolt 7, first fixing base 5 is close to round pin axle 3 side and is provided with internal thread structure 8, first fixing base 5 is close to internal thread structure 8 side and is provided with spacing post 9, spacing post 9 side is provided with fixed orifices 10, spacing post 9 is close to fixed orifices 10 side and is provided with external thread structure 11, spacing post 9 is kept away from first fixing base 5's one end and is provided with second fixing base 12.
Specifically, referring to fig. 1, one end of the pin shaft 3 penetrates through the arm support main body 1, and two groups of penetrating through holes are reserved at one end of the pin shaft 3, which is close to the fixing screw hole 4, and the inner diameters of the penetrating through holes are identical to the sizes of the corresponding limiting columns 9, and the limiting columns are in fit connection, so that the rotation displacement of the limiting columns is limited when the limiting columns are inserted.
Further, the first fixing seat 5 is in threaded connection with the limiting column 9, and external thread structures 11 are reserved at two ends of the limiting column 9, and the limiting column is prevented from falling off when being impacted and bumped by external force due to threaded connection of internal thread structures on the first fixing seat 5 and the second fixing seat 12.
Further, when the first fixing seat 5 is in threaded connection with the limiting column 9, the positioning hole 6 is parallel to the fixing hole 10, and the inner ring surfaces of the positioning hole 6 and the fixing hole 10 are reserved with threaded structures, and the second fixing seat 12 is installed in the same way, so that the fixing strength is improved.
Specifically, referring to fig. 3, one end of the fixing bolt 7 penetrates through the first fixing seat 5 and the limiting post 9, the threaded connection fixing screw hole 4 extends into the arm support main body 1, and the fixing bolt 7 is provided with two groups on the first fixing seat 5 and the second fixing seat 12 in total, and the positions are parallel, so that the limiting post is in threaded connection with the arm support main body, sliding falling is avoided, the first fixing seat 5 and the second fixing seat 12 are of rectangular outline structures, the maximum outline of the first fixing seat 5 and the second fixing seat 12 is larger than the maximum diameter of the limiting post 9, and accordingly the fixing seat can also ensure that the limiting post does not fall off when the fixing bolt loosens.
The working flow of the utility model is as follows: according to the cantilever crane pin shaft limiting device designed by the scheme, in the cantilever crane pin shaft assembling and fixing process, one end of the pin shaft 3 is inserted into the through hole 2 in the cantilever crane main body 1, two groups of cantilever crane main bodies 1 are connected in a clamping manner, the limiting columns 9 arranged in the through hole at one end of the pin shaft 3 are inserted into the through hole, the external thread structures 11 are reserved at the two ends of the limiting columns 9, the first fixing seat 5 and the second fixing seat 12 are connected in a threaded manner, the fixing bolts 7 are inserted into the fixing holes 6 and the fixing holes 10 in parallel, one ends of the fixing bolts 7 penetrate through the fixing holes 6 and the fixing holes 10, and the fixing bolts extend into the fixing screw holes 4 to be locked and fixed, so that the limiting columns 9 can be fixed on the cantilever crane main body 1, safety is improved, and a simple fixing mode of traditional equipment is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cantilever crane round pin axle stop device, includes cantilever crane main part (1), its characterized in that: the cantilever crane main part (1) side is provided with through-hole (2), cantilever crane main part (1) is close to through-hole (2) side and is provided with round pin axle (3), cantilever crane main part (1) is close to one side of through-hole (2) and is provided with fixed screw (4), round pin axle (3) side is provided with first fixing base (5), first fixing base (5) side is provided with locating hole (6), first fixing base (5) are close to locating hole (6) side and are provided with fixing bolt (7), first fixing base (5) are close to round pin axle (3) side and are provided with internal thread structure (8), first fixing base (5) are close to internal thread structure (8) side and are provided with spacing post (9), spacing post (9) side is provided with fixed orifices (10), spacing post (9) are close to one side of fixed orifices (10) and are provided with external thread structure (11), one end that first fixing base (5) were kept away from to spacing post (9) is provided with second fixing base (12).
2. The boom pin limiting device of claim 1, wherein: one end of the pin shaft (3) penetrates through the arm support main body (1), two groups of penetrating through holes are reserved at one end, close to the fixed screw hole (4), of the pin shaft (3), and the inner diameters of the two groups of penetrating through holes correspond to the limit posts (9) in the same size and are in fit connection.
3. The boom pin limiting device of claim 1, wherein: the first fixing seat (5) is in threaded connection with the limiting column (9), external thread structures (11) are reserved at two ends of the limiting column (9), and the first fixing seat (5) and the second fixing seat (12) are in threaded connection with the internal thread structures.
4. The boom pin limiting device of claim 1, wherein: when the first fixing seat (5) is in threaded connection with the limit column (9), the positioning holes (6) are parallel to the fixing holes (10), threaded structures are reserved on the inner annular surfaces of the positioning holes (6) and the fixing holes (10), and the second fixing seat (12) is installed in the same way.
5. The boom pin limiting device of claim 1, wherein: one end of the fixing bolt (7) penetrates through the first fixing seat (5) and the limiting column (9), the fixing bolt is in threaded connection with the fixing screw hole (4) and extends into the arm support main body (1), and the two groups of fixing bolts (7) are arranged on the first fixing seat (5) and the second fixing seat (12) in total, and the positions of the fixing bolts are parallel.
6. The boom pin limiting device of claim 1, wherein: the first fixing seat (5) and the second fixing seat (12) are of rectangular appearance structures, and the maximum appearance of the first fixing seat (5) and the maximum appearance of the second fixing seat (12) are larger than the maximum diameter of the limiting column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249504.4U CN220890709U (en) | 2023-08-22 | 2023-08-22 | Arm support pin shaft limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322249504.4U CN220890709U (en) | 2023-08-22 | 2023-08-22 | Arm support pin shaft limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890709U true CN220890709U (en) | 2024-05-03 |
Family
ID=90840216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322249504.4U Active CN220890709U (en) | 2023-08-22 | 2023-08-22 | Arm support pin shaft limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890709U (en) |
-
2023
- 2023-08-22 CN CN202322249504.4U patent/CN220890709U/en active Active
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