CN220549930U - Be used for engineering truck cantilever crane revolution mechanic - Google Patents
Be used for engineering truck cantilever crane revolution mechanic Download PDFInfo
- Publication number
- CN220549930U CN220549930U CN202321988480.8U CN202321988480U CN220549930U CN 220549930 U CN220549930 U CN 220549930U CN 202321988480 U CN202321988480 U CN 202321988480U CN 220549930 U CN220549930 U CN 220549930U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- slewing
- frame main
- rotary
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 35
- 239000010720 hydraulic oil Substances 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a slewing structure for an engineering truck arm support, which comprises a frame main body, wherein slewing fixing units are fixedly connected to two sides of the frame main body, slewing supports are arranged on the slewing fixing units, an oil cylinder is hinged between the slewing supports and the frame main body, the slewing fixing units comprise mounting bases, the mounting bases are fixedly arranged on the frame main body through bolts, the slewing supports comprise fixing rings arranged on the upper parts of the mounting bases, outer ring parts of the fixing rings are rotationally connected with slewing rings, the slewing structure of the engineering truck arm support adopts a hydraulic oil cylinder to control arm support steering through arranging an oil cylinder seat, an oil cylinder and an oil cylinder piston seat, shaking is avoided when the arm support rotates, stability of the arm support slewing structure is improved, the oil cylinder is convenient to disassemble and assemble through arranging a first expansion pin shaft and a second expansion pin shaft, and slewing motion is driven through arranging the slewing rings, the fixing rings and the arm support base.
Description
Technical Field
The utility model relates to the technical field of engineering truck slewing systems, in particular to a slewing structure for an engineering truck arm support.
Background
The engineering truck is generally provided with a slewing mechanism, such as an excavator, a crane and the like, the slewing mechanism comprises a slewing platform, a slewing bearing mounting seat, an oil tank plate and a motor, the motor and the slewing bearing are respectively provided with gears and gear rings which are matched with each other, the oil tank plate is used as a container for storing lubricating oil and lubricating grease for the gears, the oil tank plate comprises a bottom plate and a vertical plate, the bottom plate and the vertical plate are made of welding supports, the current boom slewing is realized in a slewing reducer mode, large side gaps are generated between the gears due to machining precision and installation errors, and the boom shaking amount is increased when the side gaps are large.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the existing defects, and provide the cantilever crane rotary structure for the engineering truck, which adopts the hydraulic cylinder to control the cantilever crane to turn, so that the shaking generated when the cantilever crane rotates is avoided, the stability of the cantilever crane rotary structure is improved, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a be used for engineering truck cantilever crane revolution mechanic, includes the frame main part, the both sides fixedly connected with of frame main part gyration fixed unit, install the gyration on fixed unit and support, the articulated hydro-cylinder that has between gyration support and the frame main part.
As a preferable technical scheme of the utility model, the rotary fixing unit comprises a mounting base, and the mounting base is fixedly mounted on the frame main body through bolts.
As a preferable technical scheme of the utility model, the rotary support comprises a fixed ring arranged on the upper part of the mounting base, the outer ring part of the fixed ring is rotatably connected with a rotary ring, the lower part of the rotary ring is connected with a mounting rod, and the upper surface of the rotary ring is provided with a cantilever crane base.
As a preferable technical scheme of the utility model, the inner ring surface of the rotary ring and the outer ring surface of the fixed ring are surrounded to form a mounting groove, and a plurality of balls are mounted in the mounting groove.
As a preferable technical scheme of the utility model, an oil cylinder seat is fixedly arranged on the side surface of the frame main body, the oil cylinder is arranged on the oil cylinder seat through a first expansion pin shaft, an oil cylinder piston seat is arranged at the lower part of the peripheral surface of the mounting rod, and the end part of an oil cylinder piston rod is arranged on the oil cylinder piston seat through a second expansion pin shaft.
Compared with the prior art, the utility model has the beneficial effects that:
according to the engineering truck arm support rotating structure, the hydraulic oil cylinder is used for controlling the arm support to turn through the oil cylinder seat, the oil cylinder and the oil cylinder piston seat, shaking is avoided when the arm support rotates, stability of the arm support rotating structure is improved, the oil cylinder is convenient to disassemble and assemble through the arrangement of the first expansion pin shaft and the second expansion pin shaft, and the arm support is driven to rotate through the arrangement of the rotating ring, the fixing ring and the arm support base.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of a partial cross-sectional structure of the present utility model.
Fig. 3 is a schematic top view of the present utility model.
Fig. 4 is a schematic view of the structure of the installation base of the present utility model.
Fig. 5 is a schematic view of a slewing bearing assembly structure according to the present utility model.
In the figure: the device comprises an arm support base 1, a rotary support 2, an oil cylinder seat 3, a first expansion pin 4, an oil cylinder 5, an oil cylinder piston seat 6, a second expansion pin 7, a frame main body 8, a mounting base 9, a rotary ring 10, a fixing ring 11 and a mounting rod 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution:
the utility model provides a be used for engineering truck cantilever crane revolution mechanic, includes frame main part 8, and the both sides fixedly connected with of frame main part 8 gyration fixed unit installs gyration support 2 on the gyration fixed unit, articulates between gyration support 2 and the frame main part 8 has hydro-cylinder 5.
The rotation fixing unit comprises a mounting base 9, and the mounting base 9 is fixedly mounted on the frame main body 8 through bolts.
The slewing bearing 2 comprises a fixed ring 11 arranged on the upper portion of a mounting base 9, an outer ring portion of the fixed ring 11 is rotatably connected with a slewing ring 10, the lower portion of the slewing ring 10 is connected with a mounting rod 12, the upper surface of the slewing ring 10 is provided with a boom base 1, the boom base 1 is fixedly connected with the slewing ring 10 through bolts, and the mounting base 9 is used as a fixed portion of the slewing bearing 2 and is connected with a frame main body 8 through bolts.
The inner ring surface of the rotary ring 10 and the outer ring surface of the fixed ring 11 are surrounded to form a mounting groove, and a plurality of balls are mounted in the mounting groove.
The side of the frame main body 8 is fixedly provided with an oil cylinder seat 3, an oil cylinder 5 is installed on the oil cylinder seat 3 through a first expansion pin 4, the oil cylinder 5 is rotationally connected on the oil cylinder seat 3 through the first expansion pin 4, the lower part of the peripheral surface of an installation rod 12 is provided with an oil cylinder piston seat 6, the end part of a piston rod of the oil cylinder 5 is installed on the oil cylinder piston seat 6 through a second expansion pin 7, the end part of the piston rod of the oil cylinder 5 is rotationally connected on the oil cylinder piston seat 6 through the second expansion pin 7, and when the oil cylinder is rotationally fixed with the frame main body 8 due to the fact that the oil cylinder seat 3 is partially welded, the oil cylinder 5 stretches and contracts to drive the oil cylinder piston seat 6 to rotationally drive the arm support base 1 to rotate by taking a rotary support 2 as a circle center.
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 (5)
1. The utility model provides a be used for engineering truck cantilever crane revolution mechanic, includes frame main part (8), its characterized in that: the two sides of the frame main body (8) are fixedly connected with rotary fixing units, rotary supports (2) are arranged on the rotary fixing units, and oil cylinders (5) are hinged between the rotary supports (2) and the frame main body (8).
2. The boom swing structure for an engineering truck according to claim 1, wherein: the rotary fixing unit comprises a mounting base (9), and the mounting base (9) is fixedly mounted on the frame main body (8) through bolts.
3. The boom swing structure for an engineering truck according to claim 2, wherein: the rotary support (2) comprises a fixed ring (11) arranged on the upper portion of the installation base (9), the outer ring portion of the fixed ring (11) is rotationally connected with a rotary ring (10), the lower portion of the rotary ring (10) is connected with an installation rod (12), and the upper surface of the rotary ring (10) is provided with a boom base (1).
4. The boom swing structure for an engineering truck according to claim 3, wherein: an inner ring surface of the rotary ring (10) and an outer ring surface of the fixed ring (11) are surrounded to form a mounting groove, and a plurality of balls are mounted in the mounting groove.
5. The boom swing structure for an engineering truck according to claim 3, wherein: the side of the frame main body (8) is fixedly provided with an oil cylinder seat (3), the oil cylinder (5) is installed on the oil cylinder seat (3) through a first expansion pin shaft (4), the lower part of the peripheral surface of the installation rod (12) is provided with an oil cylinder piston seat (6), and the end part of a piston rod of the oil cylinder (5) is installed on the oil cylinder piston seat (6) through a second expansion pin shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321988480.8U CN220549930U (en) | 2023-07-27 | 2023-07-27 | Be used for engineering truck cantilever crane revolution mechanic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321988480.8U CN220549930U (en) | 2023-07-27 | 2023-07-27 | Be used for engineering truck cantilever crane revolution mechanic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549930U true CN220549930U (en) | 2024-03-01 |
Family
ID=90008096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321988480.8U Active CN220549930U (en) | 2023-07-27 | 2023-07-27 | Be used for engineering truck cantilever crane revolution mechanic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549930U (en) |
-
2023
- 2023-07-27 CN CN202321988480.8U patent/CN220549930U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201908946U (en) | Slewing bearing mechanism of worm wheel and worm gear | |
| CN102120548B (en) | Hydraulic telescopic suspension arm | |
| CN220549930U (en) | Be used for engineering truck cantilever crane revolution mechanic | |
| CN101532300B (en) | Swiveling mechanism and engineering machinery with swiveling mechanism | |
| CN212142468U (en) | Mixing tank convenient to empty and change | |
| CN111498786A (en) | Loading and unloading crane pipe | |
| CN201827321U (en) | Engineering machine and all-around swinging mechanism thereof | |
| CN112894878B (en) | High-speed heavy-load mechanical arm | |
| CN212609536U (en) | Loading and unloading crane pipe | |
| CN2849336Y (en) | Rotating mechanism | |
| CN218290238U (en) | Folding arm type lorry-mounted crane provided with full-swing mechanism | |
| CN211310174U (en) | Pitching system and bucket-wheel stacker-reclaimer | |
| CN214299012U (en) | Tower crane revolution mechanic | |
| CN200978191Y (en) | Integral deceleration turning machine | |
| CN201217812Y (en) | Hinged swiveling mechanism of agricultural hydraulic excavator | |
| CN2583070Y (en) | Folding-arm portal crane | |
| CN207091463U (en) | RH application of vacuum system and its hoisting structure and vacuum chamber supporting arrangement | |
| CN214823248U (en) | Transmission device for transfer platform | |
| CN221051028U (en) | Carriage material pushing device and material pushing vehicle | |
| CN214297988U (en) | Bottom transfer chain with locate function | |
| CN213775364U (en) | Rotary mechanism of milling machine | |
| CN220201221U (en) | Swing mechanism and engineering machinery equipment | |
| CN219468971U (en) | External tooth transmission rotary type cover moving machine | |
| CN219281300U (en) | Rotary device of wet spraying machine | |
| CN212445123U (en) | Rotary platform mechanism capable of supporting heavy load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |