CN219526070U - Radial arm crane - Google Patents
Radial arm crane Download PDFInfo
- Publication number
- CN219526070U CN219526070U CN202320235804.4U CN202320235804U CN219526070U CN 219526070 U CN219526070 U CN 219526070U CN 202320235804 U CN202320235804 U CN 202320235804U CN 219526070 U CN219526070 U CN 219526070U
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- pin shaft
- shaft
- pin
- section
- clamping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to a radial arm crane, which comprises a support piece, a rotating arm shaft and a triangular radial arm body, wherein the upper end and the lower end of the rotating arm shaft are respectively connected with the support piece through a first pin shaft and a second pin shaft, the first pin shaft and the second pin shaft are respectively provided with a first end and a second end which are opposite, oiling channels are arranged in the first pin shaft and the second pin shaft, openings of the oiling channels are arranged at the first end parts of the first pin shaft and the second pin shaft, oil outlet holes communicated with the oiling channels are formed in the peripheral walls of the first pin shaft and the second pin shaft, and a nozzle for injecting lubricating grease is arranged at the opening part of the oiling channel; the first pin shaft and the second pin shaft are respectively sleeved with a first bearing at the outer side of the second end of the accommodating hole in the rotary arm shaft, and the first bearings correspond to the oil outlet holes. According to the radial arm crane, the oiling channels and the oil outlet holes are formed in the first pin shaft and the second pin shaft, so that the whole pin shaft can be fully lubricated, the service lives of the pin shaft and the shaft sleeve are prolonged, and the rotating arm shaft and the triangular radial arm body are not easy to wear.
Description
Technical Field
The utility model relates to a radial arm crane.
Background
Referring to fig. 13, the conventional radial arm hanging structure comprises a pin shaft 8, a shaft sleeve 9, a rotating arm shaft, a triangular radial arm body and a stand column, wherein the shaft sleeve 9 is sleeved outside the pin shaft 8, a hoist hanging is arranged on the triangular radial arm body and used for hanging objects (such as glass), and the pin shaft 8 and the shaft sleeve 9 are driven to rotate through the triangular radial arm body and the rotating arm shaft during operation so as to achieve the object hanging purpose. In the rotating process, the shaft sleeve 9 and the rotating arm shaft are worn, deformed and damaged for a long time due to the fact that the pin shaft 8 is not lubricated, the rotating arm shaft is connected with the triangular rotating arm body, and when the rotating arm shaft is damaged, the triangular rotating arm body is extremely easy to collapse, so that safety of operators and equipment is endangered; in addition, the pin shaft 8 and the shaft sleeve 9 can be used for half a month to one month at present, long-term inspection and replacement are needed, the maintenance and replacement frequency is high, and the maintenance cost is high.
Disclosure of Invention
The utility model aims to provide a radial arm crane, which solves the problems that the rotating part of the radial arm crane is easy to have destructive abrasion, the service life of a pin shaft is short, and the maintenance and replacement frequency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the rotary arm crane comprises a support piece, a rotary arm shaft connected with the support piece in a rotating way, and a triangular rotary arm body connected with the rotary arm shaft, wherein a containing hole is formed in the rotary arm shaft along the axial direction of the rotary arm shaft, the upper end and the lower end of the rotary arm shaft are respectively connected with the support piece through a first pin shaft and a second pin shaft, the rotary arm shaft, the first pin shaft and the second pin shaft extend in the vertical direction, the first pin shaft and the second pin shaft are respectively provided with a first end and a second end which are opposite, oiling channels are formed in the first pin shaft and the second pin shaft, the openings of the oiling channels are formed in the first end parts of the first pin shaft and the second pin shaft, oil nozzles for injecting lubricating grease are formed in the openings of the oiling channels, and oil outlet holes communicated with the oiling channels are formed in the peripheral walls of the first pin shaft and the second pin shaft; the first pin shaft and the second pin shaft are respectively sleeved with a first bearing at the outer side of the second end of the accommodating hole in the rotating arm shaft, and the first bearings correspond to the oil outlet.
Preferably, the first pin shaft and the second pin shaft comprise a first section, a second section and a third section which are sequentially connected, the diameter of the first section is larger than that of the second section, the diameter of the second section is larger than that of the third section, and the first bearing is sleeved outside the second section and the third section.
Preferably, the periphery of the second section is provided with a clamping groove which is recessed towards the axis direction of the second section, and the supporting piece is clamped with the clamping groove.
Preferably, the first pin shaft and the second pin shaft are positioned outside the second end of the accommodating hole in the rotating arm shaft, and are also sleeved with second bearings, the second bearings are closer to the second ends of the first pin shaft and the second pin shaft than the first bearings, and the second bearings are sleeved outside the third sections of the first pin shaft and the second pin shaft.
Preferably, the peripheral walls of the first pin shaft and the second pin shaft are provided with oil guide grooves which are recessed towards the centers of the first pin shaft and the second pin shaft along the circumferential direction, and the oil outlet is arranged on the circumferential inner wall of the oil guide groove.
Preferably, the support piece include stand, first extension board, second extension board, first cardboard and second cardboard, the stand extend along vertical direction and set up, first extension board and second extension board all the level set up, first extension board and second extension board respectively with the opposite both ends of stand be connected, one end of first cardboard, one end of second cardboard respectively with first extension board, second extension board be connected, the other end of first cardboard, the other end of second cardboard respectively with the draw-in groove joint of first round pin axle, second round pin axle.
Preferably, the first clamping plate and the second clamping plate comprise a body, a first clamping part and a second clamping part which are arranged at the same end of the body, and the body, the first clamping part and the second clamping part are U-shaped.
Preferably, the second sections of the first pin shaft and the second pin shaft are close to the periphery of the first section, two clamping grooves are respectively formed in the second sections of the first pin shaft and the second pin shaft, the two clamping grooves are respectively clamped with the first clamping part and the second clamping part, and the upper surfaces of the first clamping part and the second clamping part are respectively propped against the inner walls of the first sections of the first pin shaft and the second pin shaft towards the respective second sections.
Preferably, a plurality of oil outlet holes are formed, and the plurality of oil outlet holes are circumferentially arranged around the first pin shaft and the second pin shaft.
Preferably, the first bearing is a thrust bearing, the second bearing is a radial bearing, and the technical scheme is applied,
compared with the prior art, the utility model has the following advantages:
according to the radial arm crane, the oiling channels and the oil outlet holes are formed in the first pin shaft and the second pin shaft, so that the whole pin shaft can be fully lubricated, the service lives of the pin shaft and the shaft sleeve are prolonged, and the corresponding rotating arm shaft and the triangular radial arm body are not easy to wear; the overhaul frequency is low; the equipment is stable in operation, faults and maintenance cost are reduced, and the safety coefficient and the production efficiency of the equipment are improved.
Drawings
FIG. 1 is a block diagram of a first view of a radial arm crane provided by the present utility model;
FIG. 2 is a block diagram of a second view of the radial arm crane provided by the present utility model;
FIG. 3 is a block diagram of a first pin, a first bearing and a first clamping plate provided by the utility model;
FIG. 4 is a front view of the radial arm crane provided by the present utility model;
FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4;
FIG. 6 is a block diagram of a first view angle of a first pin, a first bearing and a second bearing of the radial arm crane provided by the utility model;
FIG. 7 is a block diagram of a second view of a first pin, a first bearing, and a second bearing of the radial arm crane provided by the utility model;
FIG. 8 is a block diagram of a third view angle of a first pin, a first bearing and a second bearing of the radial arm crane provided by the utility model;
FIG. 9 is a block diagram of a first view of a first pin of the radial arm crane provided by the utility model;
FIG. 10 is a block diagram of a second view of a first pin of the radial arm crane provided by the utility model;
FIG. 11 is a front view of a first pin of the radial arm crane provided by the utility model;
FIG. 12 is a cross-sectional view taken along the direction A-A of FIG. 11;
fig. 13 is a structural view of a conventional radial arm crane.
In the above figures:
1-a first pin shaft, a second pin shaft, 11-a first section, 12-a second section, 13-a third section, 14-an oiling channel, 15-an oil outlet, 16-a clamping groove, 17-an oil guiding groove and 18-a nozzle;
2-supporting pieces, 21-upright posts, 22-first support plates, second support plates, 23-first clamping plates, second clamping plates, 231-bodies, 232-first clamping parts and second clamping parts;
3-rotating arm shafts; 4-triangle spiral arm body; 5-a first bearing; 6-a second bearing.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In one embodiment provided by the utility model, as shown in fig. 1-12, the radial arm crane comprises a support 2, a rotating arm shaft 3 rotatably connected with the support 2, and a triangular radial arm body 4 connected with the rotating arm shaft 3, specifically:
the rotary arm shaft 3 extends along the vertical direction, the rotary arm shaft 3 is provided with two opposite ends, the rotary arm shaft 3 is provided with a containing hole along the axial direction thereof, the containing hole can penetrate from one end to one end of the containing hole, the upper end and the lower end of the rotary arm shaft 3 are respectively connected with the supporting piece 2 through a first pin shaft and a second pin shaft 1, namely one of the first pin shaft and the second pin shaft 1 is arranged above the other one of the first pin shaft and the second pin shaft is arranged below the other one of the first pin shaft and the second pin shaft.
The first pin shaft and the second pin shaft 1 extend along the vertical direction, at least part of the first pin shaft and the second pin shaft 1 are positioned in the accommodating hole, and part of the first pin shaft and the second pin shaft 1 are exposed out of the accommodating hole of the rotary arm shaft 3. The first pin shaft and the second pin shaft 1 are respectively provided with a first end and a second end which are opposite, the first pin shaft and the second pin shaft 1 are internally provided with an oiling channel 14 for containing lubricating grease along the respective axial directions, the oiling channel 14 extends along the first end of the first pin shaft and the second pin shaft 1 to the second end direction of the oiling channel, the opening of the oiling channel 14 is arranged at the respective first end, the peripheral wall of the first pin shaft and the second pin shaft 1 is respectively provided with an oil outlet 15 communicated with the oiling channel 14, the opening of the oiling channel 14 at the first end is provided with a grease nipple 18 for injecting the lubricating grease, the grease nipple 18 is a grease nipple 18, and the lubricating grease is introduced into the oiling channel 14 through the grease nipple 18, so that the whole first pin shaft and the second pin shaft 1 can be fully lubricated.
Referring to fig. 1-2, if the first pin is positioned above the second pin, the opening of the oil filling channel 14 of the first pin is positioned at its upper end (first end) and the opening of the oil filling channel 14 of the second pin is positioned at its lower end (first end).
The first pin shaft and the second pin shaft 1 are respectively sleeved with a first bearing 5 and a second bearing 6 at the outer side of the second end of the accommodating hole in the rotary arm shaft 3, the first bearing 5 is closer to the first end of the first pin shaft and the first end of the second pin shaft 1 than the second bearing 6, the outer sides of the first pin shaft and the second pin shaft 1 provided with the second bearing 6 are provided with shaft sleeves, namely the shaft sleeves are sleeved outside the first pin shaft and the second pin shaft 1, the second bearing 6 is sleeved outside the shaft sleeves, the first bearing 5 corresponds to the oil outlet 15, and oil flowing out from the oil injection channel 14 and the oil outlet 15 of the first pin shaft and the second pin shaft 1 enters the first bearing 5 and the second bearing 6; in addition, under normal conditions, only the shaft sleeve and the pin shaft are worn, the rotary arm shaft 3 and the triangular radial arm body 4 are not easy to wear, and only the shaft sleeve and the pin shaft are required to be replaced during maintenance, so that the maintenance cost is low.
Referring to fig. 8-12, the first pin 1 and the second pin 1 each include a first section 11, a second section 12, and a third section 13 that are sequentially connected, that is, the second section 12 is located between the first section 11 and the third section 13, the first section 11 is located outside the rotating arm shaft, the second section 12 is partially located outside the rotating arm shaft, the rest is located in the accommodating hole of the rotating arm shaft, and the third section 13 is located in the accommodating hole of the rotating arm shaft. The diameter of the first section 11 is larger than the diameter of the second section 12, and the diameter of the second section 12 is larger than the diameter of the third section 13. The diameter of the first bearing 5 is larger than that of the second bearing 6, the first bearing 5 is sleeved outside the second section 12 and the third section 13, the second bearing 6 is sleeved outside the third section 13 (wherein the shaft sleeve is sleeved outside the third section 13, and the second bearing is sleeved outside the shaft sleeve), namely, part of the first bearing 5 is positioned outside the second section 12, and the rest part is positioned outside the third section 13.
Preferably, the plurality of oil outlet holes 15 are provided, and the plurality of oil outlet holes 15 are provided around the circumference of the outer peripheral walls of the first pin shaft, the second pin shaft 1, so that the lubricating grease flows better and more uniformly to the first bearing 5 and the second bearing 6. The oil outlet hole 15 may be opened at the outer peripheral wall of the second section 12.
Further, the outer peripheral walls of the first pin shaft and the second pin shaft 1 are circumferentially provided with oil guiding grooves 17 which are recessed toward the center, the oil outlet holes 15 are formed in the circumferential inner wall of the oil guiding grooves 17, namely lubricating grease can be left in the oil guiding grooves 17, and the service time is delayed.
Further, the outer periphery of the second section 12 is provided with a locking groove 16 recessed in a direction approaching the axis thereof, the locking groove 16 approaches the first section 11, and the support 2 is locked with the locking groove 16, so that the rotating arm shaft 3 can be connected with the support 2 better.
In this example, referring to fig. 1-3, the supporting member 2 includes a stand column 21, a first support plate, a second support plate 22, a first clamping plate and a second clamping plate 23, where the stand column 21 extends in a vertical direction, a gap is kept between the rotating arm shaft 3 and the stand column 21, the first support plate and the second support plate 23 are both horizontally arranged, the first support plate and the second support plate 23 are respectively connected with opposite ends of the stand column 21, one end of the first clamping plate and one end of the second clamping plate are respectively connected with the first support plate and the second support plate 22, i.e. if the first clamping plate corresponds to the first support plate, the second clamping plate corresponds to the second support plate, one end of the first clamping plate is connected with the first support plate through a fastener, and one end of the second clamping plate is connected with the second support plate through a fastener; the other end of the first clamping plate and the other end of the second clamping plate are respectively clamped with the clamping grooves 16 of the first pin shaft and the second pin shaft 1, namely, the other end of the first clamping plate is clamped with the clamping groove 16 of the first pin shaft, and the other end of the second clamping plate is clamped with the clamping groove 16 of the second pin shaft.
The first clamping plate and the second clamping plate comprise a body 231, a first clamping part and a second clamping part 232 which are arranged at the same end of the body 231, the first clamping part and the second clamping part 232 are opposite, a gap is reserved between the first clamping part and the second clamping part, and the body 231, the first clamping part and the second clamping part are U-shaped. The first and second clamping portions may be in a bar shape, and the body 231 is connected with the first and second support plates 22 through fasteners (bolt and nut assemblies).
Correspondingly, two clamping grooves 16 are formed in the periphery of the second section 12 of the first pin shaft and the second pin shaft 1, which is close to the first section 11, the two clamping grooves 16 of the first pin shaft are respectively clamped with the first clamping part and the second clamping part of one of the first clamping plate and the second clamping plate, the two clamping grooves 16 of the second pin shaft are respectively clamped with the first clamping part and the second clamping part of the other of the first clamping plate and the second clamping plate, and when the clamping is performed, the upper surfaces of the first clamping part and the upper surface of the second clamping part are respectively propped against the inner walls of the first section 11 of the first pin shaft and the second pin shaft 1, which face the inner walls of the respective second section 12, so that the first pin shaft and the second pin shaft 1 can be fixed.
In this example, the first support plate and the second support plate 22 have opposite two ends, the width of one end connected with the first pin shaft and the second pin shaft 1 is smaller than that of the other end, for example, the two ends are in a drop shape, a perforation for the first pin shaft and the second pin shaft 1 to pass through is formed in one end connected with the first pin shaft and the second pin shaft 1 of the first support plate and the second support plate 22, the width of the end is small, the width of the other end is large, and the rotation arm shaft 3 is guaranteed to rotate better while the fastening connection between the first support plate and the second support plate 22 and the upright post 21 is guaranteed.
In this example, the accommodating hole of the rotating arm shaft 3 includes a first hole, a second hole and a third hole which are sequentially communicated, the first hole and the third hole are respectively positioned at two opposite ends of the rotating arm shaft 3, the second hole is positioned between the first hole and the third hole, the diameters of the first hole and the third hole are larger than those of the second hole, a first bearing 5 on a first pin shaft is positioned in the first hole, and a second bearing 6 on the first pin shaft is positioned in the second hole; the first bearing 5 on the second pin is located in the third hole and the second bearing 6 on the second pin is located in the second hole.
In some embodiments, the first bearing 5 may be a thrust bearing and the second bearing 6 may be a radial bearing.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. The rotary arm crane is characterized by comprising a supporting piece, a rotary arm shaft and a triangular rotary arm body, wherein the rotary arm shaft is rotationally connected with the supporting piece, the triangular rotary arm body is connected with the rotary arm shaft, a containing hole is formed in the rotary arm shaft along the axial direction of the rotary arm shaft, the upper end and the lower end of the rotary arm shaft are respectively connected with the supporting piece through a first pin shaft and a second pin shaft, the rotary arm shaft, the first pin shaft and the second pin shaft extend along the vertical direction, the first pin shaft and the second pin shaft are respectively provided with a first end and a second end which are opposite, oiling channels are respectively formed in the first pin shaft and the second pin shaft, the openings of the oiling channels are formed in the first end parts of the first pin shaft and the second pin shaft, oil nozzles for injecting lubricating grease are formed in the openings of the oiling channels, and oil outlet holes which are communicated with the oiling channels are formed in the outer peripheral walls of the first pin shaft and the second pin shaft; the first pin shaft and the second pin shaft are respectively sleeved with a first bearing at the outer side of the second end of the accommodating hole in the rotating arm shaft, and the first bearings correspond to the oil outlet.
2. The radial arm crane of claim 1, wherein the first pin and the second pin each comprise a first section, a second section, and a third section connected in sequence, the diameter of the first section is larger than that of the second section, the diameter of the second section is larger than that of the third section, and the first bearing is disposed outside the second section and the third section.
3. The radial arm hanger of claim 2, wherein a slot is provided in the peripheral wall of said second section and is recessed toward the direction of the axis thereof, and said support is engaged with said slot.
4. The radial arm crane of claim 2, wherein the first pin and the second pin are located outside the second end of the accommodating hole in the rotating arm shaft, and a second bearing is sleeved outside the third section of the first pin and the second pin, and is closer to the second end of the first pin and the second pin than the first bearing.
5. The radial arm crane of claim 1, wherein the outer peripheral walls of the first pin and the second pin are provided with oil guiding grooves recessed toward the center thereof along the circumferential direction, and the oil outlet is arranged on the circumferential inner wall of the oil guiding groove.
6. The radial arm crane of claim 2, wherein the support member comprises a vertical column, a first support plate, a second support plate, a first clamping plate and a second clamping plate, the vertical column extends in the vertical direction, the first support plate and the second support plate are horizontally arranged, the first support plate and the second support plate are respectively connected with two opposite ends of the vertical column, one end of the first clamping plate and one end of the second clamping plate are respectively connected with the first support plate and the second support plate, and the other end of the first clamping plate and the other end of the second clamping plate are respectively connected with clamping grooves of the first pin shaft and the second pin shaft.
7. The radial arm hanger of claim 6, wherein the first and second clamping plates each comprise a body, and a first and second clamping portions disposed at the same end of the body, the first and second clamping portions being U-shaped.
8. The radial arm crane of claim 7, wherein two clamping grooves are formed in the outer circumferences of the second sections of the first pin shaft and the second pin shaft, the two clamping grooves are respectively clamped with the first clamping part and the second clamping part, and the upper surfaces of the first clamping part and the second clamping part are respectively propped against the inner walls of the first sections of the first pin shaft and the second pin shaft towards the respective second sections.
9. The radial arm hanger of claim 1, wherein a plurality of said oil outlets are provided, and a plurality of said oil outlets are circumferentially disposed about said first and second pins.
10. The radial arm hanger of claim 4, wherein said first bearing is a thrust bearing and said second bearing is a radial bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320235804.4U CN219526070U (en) | 2023-02-16 | 2023-02-16 | Radial arm crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320235804.4U CN219526070U (en) | 2023-02-16 | 2023-02-16 | Radial arm crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219526070U true CN219526070U (en) | 2023-08-15 |
Family
ID=87645878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320235804.4U Active CN219526070U (en) | 2023-02-16 | 2023-02-16 | Radial arm crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219526070U (en) |
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2023
- 2023-02-16 CN CN202320235804.4U patent/CN219526070U/en active Active
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