CN215711314U - Guide structure for telescopic arm of crane - Google Patents
Guide structure for telescopic arm of crane Download PDFInfo
- Publication number
- CN215711314U CN215711314U CN202122094792.1U CN202122094792U CN215711314U CN 215711314 U CN215711314 U CN 215711314U CN 202122094792 U CN202122094792 U CN 202122094792U CN 215711314 U CN215711314 U CN 215711314U
- Authority
- CN
- China
- Prior art keywords
- guide frame
- arm
- guide
- inner cavity
- frame
- 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
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a guide structure for a telescopic arm of a crane, which relates to the technical field of telescopic arms of cranes and comprises a main arm, wherein a guide frame is slidably arranged in an inner cavity at the front end of the main arm, a movable arm is movably arranged in the inner cavity of the guide frame, one end, far away from the guide frame, of the movable arm is sleeved with a positioning frame, outer cavities of the positioning frame and the guide frame are matched with the inner cavity of the main arm, a plurality of sliding block members are arranged on the annular surface of the movable arm in the inner cavity of the guide frame, and two limiting plates are oppositely arranged on the annular surface of the guide frame. According to the utility model, the clamping plate is arranged on the bottom surface of one end of the movable arm close to the positioning frame, so that after the movable arm extends outwards to a certain length, the clamping plate is abutted against one end of the guide frame, the guide frame moves outwards along with the movable arm, the bottom surface of the guide frame is supported by combining the supporting member, and the plurality of sliding block members in the guide frame enhance the guiding effect after the movable arm extends outwards for a long distance.
Description
Technical Field
The utility model relates to the technical field of telescopic arms of cranes, in particular to a guide structure for the telescopic arms of a crane.
Background
At present, a telescopic crane is widely applied to large-scale engineering construction such as chemical engineering, energy or municipal construction due to the advantages of convenient operation and reliable control, and in the telescopic crane, a telescopic arm is the most main bearing part, and the weight of the part generally accounts for 13-20% of the weight of the whole crane.
Among the prior art, telescopic crane is generally equipped with supporting slide block at its flexible arm both ends, installs telescopic machanism simultaneously and realizes jack-up davit extension and support, can set up guide structure in the flexible arm of hoist simultaneously, and current guide structure can not extend to the outside mostly, and when the flexible arm of hoist extended to outer end, guide structure was not good enough to the support guide effect of flexible arm, has consequently disclosed guide structure for the flexible arm of hoist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a guide structure for a telescopic arm of a crane, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present application provides the following technical solutions: the guide structure for the telescopic boom of the crane comprises a main boom, wherein a guide frame is slidably mounted in an inner cavity of the front end of the main boom, a movable boom is movably mounted in an inner cavity of the guide frame, a positioning frame is sleeved at one end of the movable boom far away from the guide frame, the positioning frame and an outer cavity of the guide frame are matched with each other, a plurality of slider components are mounted in a ring surface of the movable boom in the inner cavity of the guide frame, two limiting plates are relatively mounted in the ring surface of the guide frame, two matching grooves are formed in the opposite side of the inner cavity of the main boom, elastic components enabling the guide frame to reset are mounted in the sliding grooves, a supporting component is mounted on the bottom surface of the front end of the main boom, and a clamping plate is mounted on the ring surface of the movable boom.
Based on above-mentioned structure, through the one end bottom surface that is close to the locating frame at the digging arm, make the digging arm after outwards extending to certain length, the cardboard contradicts the one end of guide frame, makes the guide frame along with the digging arm together moves to the outside, combines supporting member to support the bottom surface of guide frame to and a plurality of slider component in the guide frame, strengthened the guide effect after the digging arm outwards extends the longer distance.
Preferably, the slider component comprises a sliding plate, a plurality of mounting grooves are uniformly formed in the annular surface of the inner cavity of the guide frame, and the bottom end of the sliding plate is provided with a mounting block which is matched with the mounting grooves.
Furthermore, a plurality of mounting grooves are formed in the annular surface of the inner cavity of the guide frame, and mounting blocks are arranged at the bottom end of the sliding plate to position the sliding plate.
Preferably, both ends of the sliding plate are inclined plane ends, first fixing holes are formed in the positions of the two inclined plane ends, and second fixing holes matched with the first fixing holes are formed in the inner cavity of the guide frame.
Furthermore, the two ends of the sliding plate are arranged to be inclined plane ends, and the sliding plate is fixed in the guide frame through the first fixing holes at the two ends of the sliding plate.
Preferably, the elastic member includes a plurality of springs, one end of each of the plurality of springs is connected to a side of the limiting plate away from the positioning frame, and the other end of each of the plurality of springs is connected to an inner side wall of the sliding groove.
Furthermore, the auxiliary guide frame is reset in the process that the movable arm retracts into the main arm by arranging the plurality of springs on one side of the limiting plate, which is far away from the positioning frame.
Preferably, the support member includes a support plate installed at a bottom side of the front end of the main arm, and a tripod is installed at a bottom end of the support plate, and one end of the tripod is connected to a bottom surface of the support plate and the other end is connected to a bottom surface of the main arm.
Furthermore, the triangular supports are arranged on the bottom surfaces of the supporting plate and the main arm, so that the guide frame is more stable, and the guide effect of the guide frame on the movable arm is further enhanced.
Preferably, a connecting plate is mounted on the bottom surface of the main arm, and the bottom end of the connecting plate is connected with the tripod.
Furthermore, the bottom surface of the main arm is provided with the connecting plate connected with the tripod, so that the supporting effect of the tripod on the supporting plate is further strengthened.
Preferably, the top surface of the sliding plate is provided with a lubricating oil storage tank.
Furthermore, the strip-shaped lubricating oil storage tank is arranged on the top surface of the sliding plate, so that lubricating oil can be injected into the lubricating oil storage tank during maintenance, and the movable arm and the sliding plate are lubricated.
In conclusion, the technical effects and advantages of the utility model are as follows:
1. according to the utility model, the clamping plate is arranged on the bottom surface of one end of the movable arm close to the positioning frame, so that after the movable arm extends outwards to a certain length, the clamping plate is abutted against one end of the guide frame, the guide frame moves outwards along with the movable arm, the bottom surface of the guide frame is supported by combining the supporting member, and the plurality of sliding block members in the guide frame enhance the guiding effect after the movable arm extends outwards for a long distance.
2. According to the utility model, the triangular supports are arranged on the bottom surfaces of the support plate and the main arm, so that the guide frame is more stable, the guide effect of the guide frame on the movable arm is further enhanced, the support effect of the triangular supports on the support plate is further reinforced by the connecting plate, and the strip-shaped lubricating oil storage groove is formed in the top surface of the sliding plate, so that lubricating oil can be injected into the lubricating oil storage groove during maintenance, and the movable arm and the sliding plate are lubricated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a guide structure for a telescopic boom of a crane according to the present embodiment;
FIG. 2 is a schematic structural diagram of a guide frame in the present embodiment;
fig. 3 is a schematic structural diagram of the main arm in the present embodiment;
FIG. 4 is a schematic structural diagram of the movable arm in the present embodiment;
fig. 5 is a schematic structural view of the slide plate in the present embodiment.
In the figure: 1. a main arm; 2. a guide frame; 3. a movable arm; 4. a support plate; 5. a connecting plate; 6. a tripod; 7. a chute; 8. clamping a plate; 9. a positioning frame; 10. a limiting plate; 11. a spring; 12. a slide plate; 13. mounting grooves; 14. lubricating the oil storage tank; 15. a first fixing hole; 16. mounting blocks; 17. a beveled end; 18. and a second fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example (b): referring to fig. 1-5, the guiding structure for the telescopic boom of the crane includes a main boom 1, a guiding frame 2 is slidably installed in an inner cavity of the front end of the main boom 1, a movable boom 3 is movably installed in an inner cavity of the guiding frame 2, and the main boom 1 and the movable boom 3 are any one of the prior art.
One pot head that the guide frame 2 was kept away from to digging arm 3 is equipped with locating frame 9, the outer cavity adaptation main arm 1's of locating frame 9 and guide frame 2 inner chamber, and a plurality of slider members are installed in the anchor ring of digging arm 3 to the inner chamber of guide frame 2, and through evenly setting up a plurality of slider members at the inner chamber of guide frame 2, is that digging arm 3 can not gapped when main arm 1 inner chamber is flexible, makes the guidance quality better.
The anchor ring of guide frame 2 has two limiting plates 10 through the relative fixed mounting of welding, limiting plate 10 is the metal sheet, spout 7 of two limiting plates 10 of adaptation is seted up to the inner chamber offside of main arm 1, install the elastic component that makes guide frame 2 reset in the spout 7, the supporting member is installed to the front end bottom surface of main arm 1, the anchor ring of digging arm 3 has cardboard 8 through welded fastening, cardboard 8 is the metal sheet, set up cardboard 8 through the one end bottom surface that is close to locating frame 9 at digging arm 3, make digging arm 3 outside extend after certain length, cardboard 8 contradicts the one end of guide frame 2, make guide frame 2 along with digging arm 3 together outside removal, combine the supporting member to support the bottom surface of guide frame 2, strengthened the guide effect after the long distance of 3 outside extensions of digging arm.
Based on above-mentioned structure, set up cardboard 8 through the one end bottom surface that is close to locating frame 9 at digging arm 3, make 3 outsides of digging arm extend certain length after, cardboard 8 conflicts the one end of guide frame 2, make guide frame 2 along with digging arm 3 together moves to the outside, combine the supporting member to support the bottom surface of guide frame 2 to and a plurality of slider components in the guide frame 2, strengthened the guide effect after the outside longer distance that extends of digging arm 3.
Referring to fig. 2 and 5, the slider member includes a sliding plate 12, a plurality of mounting grooves 13 are uniformly formed in the inner cavity ring surface of the guide frame 2, a mounting block 16 fitted with the mounting grooves 13 is fixedly welded to the bottom end of the sliding plate 12, the mounting grooves 13 are formed in the inner cavity ring surface of the guide frame 2, and the mounting block 16 is arranged at the bottom end of the sliding plate 12 to position the sliding plate 12.
Referring to fig. 2 and 5, both ends of the sliding plate 12 are inclined plane ends 17, the positions of the two inclined plane ends 17 are provided with first fixing holes 15, the inner cavity of the guide frame 2 is provided with second fixing holes 18 adapted to the first fixing holes 15, the two ends of the sliding plate 12 are provided with the inclined plane ends 17, and the sliding plate 12 is fixed in the guide frame 2 through the first fixing holes 15 at both ends of the sliding plate 12.
Referring back to fig. 4, the elastic member includes a plurality of springs 11, the springs 11 are any one of the prior art, one ends of the springs 11 are fixedly connected to one side of the limiting plate 10 far away from the positioning frame 9, the other ends of the springs are fixedly connected to the inner side wall of the sliding groove 7 through bolts, and the springs 11 are arranged on one side of the limiting plate 10 far away from the positioning frame 9, so that the auxiliary guide frame 2 is also reset in the process of retracting the movable arm 3 into the main arm 1.
Referring back to fig. 3, the support member includes a support plate 4, the support plate 4 is fixedly mounted on the bottom side of the front end of the main arm 1 through a bolt, a tripod 6 is fixedly mounted at the bottom end of the support plate 4 through a bolt, one end of the tripod 6 is connected to the bottom surface of the support plate 4, the other end of the tripod is connected to the bottom surface of the main arm 1, and the tripod 6 is arranged on the bottom surfaces of the support plate 4 and the main arm 1, so that the guide frame 2 is more stable, and the guide effect of the guide frame 2 on the movable arm 3 is further enhanced.
As shown in fig. 3, the bottom surface of the main arm 1 is fixedly provided with a connecting plate 5 through a bolt, the bottom end of the connecting plate 5 is fixedly connected with the tripod 6 through welding, and the bottom surface of the main arm 1 is provided with the connecting plate 5 connected with the tripod 6 to further reinforce the supporting function of the tripod 6 on the supporting plate 4.
As a more preferable example in this embodiment, as shown in fig. 5, a lubricating oil reservoir 14 is formed on the top surface of the sliding plate 12, and by forming the strip-shaped lubricating oil reservoir 14 on the top surface of the sliding plate 12, lubricating oil can be injected into the lubricating oil reservoir 14 during maintenance, so that the movable arm 3 and the sliding plate 12 can be lubricated.
The working principle of the utility model is as follows: set up cardboard 8 through the one end bottom surface that is close to locating frame 9 at digging arm 3, make digging arm 3 after the outside extension to certain length, cardboard 8 conflicts the one end of guide frame 2, makes guide frame 2 along with digging arm 3 together moves to the outside, combines the supporting component to support the bottom surface of guide frame 2 to and a plurality of slider components in the guide frame 2, strengthened the guide effect after the outside extension longer distance of digging arm 3.
The installation grooves 13 are arranged on the ring surface of the inner cavity of the guide frame 2, the installation block 16 is arranged at the bottom end of the sliding plate 12, the sliding plate 12 is positioned, the two ends of the sliding plate 12 are arranged to be inclined plane ends 17, the sliding plate 12 is fixed in the guide frame 2 through the first fixing holes 15 at the two ends of the sliding plate 12, the limiting plate 10 is provided with a plurality of springs 11 at one side far away from the positioning frame 9, so that the auxiliary guide frame 2 is reset in the process that the movable arm 3 is retracted into the main arm 1, the tripod 6 is arranged on the bottom surfaces of the support plate 4 and the main arm 1, the guide frame 2 is more stable, the guide effect of the guide frame 2 on the movable arm 3 is further strengthened, the connecting plate 5 connected with the tripod 6 is arranged on the bottom surface of the main arm 1, the support effect of the tripod 6 on the support plate 4 is further strengthened, the strip-shaped lubricating oil storage groove 14 is arranged on the top surface of the sliding plate 12, and during maintenance, lubricating oil is injected into the lubricating oil reservoir 14 to lubricate the space between the movable arm 3 and the slide plate 12.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. Guiding structure for flexible arm of hoist, including main arm (1), its characterized in that: a guide frame (2) is slidably arranged in the inner cavity of the front end of the main arm (1), a movable arm (3) is movably arranged in the inner cavity of the guide frame (2), one end of the movable arm (3) far away from the guide frame (2) is sleeved with a positioning frame (9), the outer cavities of the positioning frame (9) and the guide frame (2) are matched with the inner cavity of the main arm (1), a plurality of slide block components are arranged in the inner cavity of the guide frame (2) on the ring surface of the movable arm (3), two limiting plates (10) are oppositely arranged on the ring surface of the guide frame (2), the opposite side of the inner cavity of the main arm (1) is provided with a sliding chute (7) matched with the two limiting plates (10), an elastic component which enables the guide frame (2) to reset is arranged in the sliding groove (7), the bottom surface of the front end of the main arm (1) is provided with a supporting member, and the ring surface of the movable arm (3) is provided with a clamping plate (8).
2. The guide structure for a telescopic boom of a crane according to claim 1, wherein: the slider component comprises a sliding plate (12), a plurality of mounting grooves (13) are uniformly formed in the annular surface of an inner cavity of the guide frame (2), and mounting blocks (16) matched with the mounting grooves (13) are mounted at the bottom end of the sliding plate (12).
3. The guide structure for a telescopic boom of a crane according to claim 2, wherein: the both ends of slide (12) are inclined plane end (17), two first fixed orifices (15) have all been seted up in inclined plane end (17) position department, the adaptation is seted up to the inner chamber of guide frame (2) second fixed orifices (18) of first fixed orifices (15).
4. The guide structure for a telescopic boom of a crane according to claim 1, wherein: the elastic component comprises a plurality of springs (11), one ends of the springs (11) are connected with one side, away from the positioning frame (9), of the limiting plate (10), and the other ends of the springs are connected with the inner side wall of the sliding groove (7).
5. The guide structure for a telescopic boom of a crane according to claim 1, wherein: the supporting component comprises a supporting plate (4), the supporting plate (4) is installed on the bottom side of the front end of the main arm (1), a tripod (6) is installed at the bottom end of the supporting plate (4), one end of the tripod (6) is connected with the bottom surface of the supporting plate (4), and the other end of the tripod is connected with the bottom surface of the main arm (1).
6. The guide structure for a telescopic boom of a crane according to claim 5, wherein: the bottom surface of the main arm (1) is provided with a connecting plate (5), and the bottom end of the connecting plate (5) is connected with the tripod (6).
7. A guide structure for a telescopic boom of a crane according to claim 3, wherein: the top surface of the sliding plate (12) is provided with a lubricating oil storage tank (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122094792.1U CN215711314U (en) | 2021-09-01 | 2021-09-01 | Guide structure for telescopic arm of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122094792.1U CN215711314U (en) | 2021-09-01 | 2021-09-01 | Guide structure for telescopic arm of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215711314U true CN215711314U (en) | 2022-02-01 |
Family
ID=80010899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122094792.1U Active CN215711314U (en) | 2021-09-01 | 2021-09-01 | Guide structure for telescopic arm of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215711314U (en) |
-
2021
- 2021-09-01 CN CN202122094792.1U patent/CN215711314U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215711314U (en) | Guide structure for telescopic arm of crane | |
| CN109605283B (en) | Protection method for preventing cylinder sleeve from being pulled by assembling and disassembling piston connecting rod assembly of diesel engine | |
| CN214941017U (en) | Steel structure supporting beam convenient to mount | |
| CN216105873U (en) | Fork truck's side mechanism of moving | |
| CN113998573A (en) | Photovoltaic installation lifting appliance and using method | |
| CN210756063U (en) | Tower top welding positioning device | |
| CN210239674U (en) | Dismantled and assembled excavation rack | |
| CN217266979U (en) | Modular asynchronous construction hangs basket | |
| CN206598000U (en) | A kind of firm banking structure of arc welding robot | |
| CN214446215U (en) | Machining workbench for nodular cast iron castings | |
| CN212946169U (en) | Welding seam leveling automatic welding machine for capacitor shell | |
| CN210967827U (en) | Stable high-precision strong steel structure machine tool | |
| CN213569088U (en) | Hoisting device for wind power generation blade or tower barrel | |
| CN215905760U (en) | Hoisting device for disassembling climbing frame | |
| CN220265138U (en) | Jacking device | |
| CN112173970B (en) | Hoisting tool for lifting gear box of self-elevating wind power installation platform and use method | |
| CN215053356U (en) | Positioning device for assembling excavator buckets | |
| CN213387453U (en) | Detachable lifting lug suitable for hoisting of I-shaped steel | |
| CN221295876U (en) | Large-scale pivot hoist and mount specialized tool | |
| CN212583157U (en) | Straight-through type aluminum frame structure of scaffold | |
| CN220336110U (en) | Steel construction roof beam connection structure | |
| CN221118272U (en) | Bridge cantilever pouring construction hanging basket with high stability | |
| CN209872270U (en) | Basic arm and telescopic arm | |
| CN219885452U (en) | Adjustable galvanized lifting appliance | |
| CN218403432U (en) | Counterweight device and engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |