CN203392761U - Cantilever crane device - Google Patents
Cantilever crane device Download PDFInfo
- Publication number
- CN203392761U CN203392761U CN201320498722.5U CN201320498722U CN203392761U CN 203392761 U CN203392761 U CN 203392761U CN 201320498722 U CN201320498722 U CN 201320498722U CN 203392761 U CN203392761 U CN 203392761U
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- cantilever
- bearing
- main shaft
- crane device
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Abstract
The utility model relates to the technical field of cantilever cranes and in particular relates to a cantilever crane device. The cantilever crane device comprises a cantilever, a main shaft and coupling flanges, wherein a first step and a second step are respectively fixed on the outer sides of the middle part and the upper part of the main shaft, and the outer diameters of the first step and the second step are gradually increased; a main shaft mounting hole is formed in the lower end face on the left side of the cantilever; the upper parts of the coupling flanges are arranged in the main shaft mounting hole, and the coupling flanges are respectively fixed with the cantilever and the first step; the second step is fixedly arranged in the cantilever. The cantilever crane device is reasonable and compact in structure and convenient to use; due to the cooperative use of the cantilever, the main shaft, the coupling flanges, first bearings, second bearings and third bearings, stress between the cantilever and the main shaft is reduced, the universality and the flexibility of the main shaft during rotation are guaranteed, and a rotating motor and a rotating gear can be prevented from being damaged; the cantilever crane device has the characteristics of safety, reliability and flexibility in main shaft rotation; the service life is prolonged, and the production cost is greatly reduced.
Description
Technical field
the utility model relates to hoisting technology field, is a kind of cantilever crane device.
Background technology
cantilever crane hoisting crane is the light lifting equipment of new generation of making for adapting to modern production, has coordinated the Electric Chain Blocks that reliability is high, is particularly useful for short range, uses frequently intensive lifting job.But because traditional suspension arm structure is single, during one pillar supporting the sky, main shaft is stressed very large, traditional cantilever crane main shaft and cantilever adopt directly welding, so just greatly havoc main shaft surface microstructure, finally cause main shaft weld to rupture; Simultaneously traditional cantilever crane main shaft adopts deep groove ball bearing, and after load-supporting wheel wearing and tearing, when cantilever is sagging, bearing rotary is dumb, and load nature increases the weight of, thereby damages rotating machine and swing pinion, has greatly reduced tool life, has increased enterprise cost.
Summary of the invention
the utility model provides a kind of cantilever crane device, overcome the deficiency of above-mentioned prior art, thereby when it can effectively solve traditional suspension arm one pillar supporting the sky, the stressed fracture of main shaft weld, load-supporting wheel wearing and tearing rear damage rotating machine and the swing pinion of causing very greatly of main shaft causes the problem that service life is short and productive costs is high.
the technical solution of the utility model realizes by following measures: a kind of cantilever crane device, comprises cantilever, main shaft and shaft coupling flange; Middle part and upper outside at main shaft are fixed with respectively first step and the second step that external diameter increases successively, on the lower surface, left side of cantilever, have spindle mounting hole, the top of shaft coupling flange is positioned at spindle mounting hole and shaft coupling flange is fixedly installed togather with cantilever and first step respectively; Second step is fixedly mounted in cantilever.
the further optimization and/or improvements to above-mentioned utility model technical scheme below:
the above-mentioned lower outside at main shaft is fixed with the 3rd step that external diameter is less than first step, on the 3rd step, be set with bearing seat, there is upper pillar stand in outside at bearing seat, in the inner side of upper pillar stand one, be fixed with interior ring platform, bearing sleeve is contained in the interior also seat of upper pillar stand on interior ring platform, top at bearing seat, middle part and lower inside have respectively the first mounting groove along circumference, the second mounting groove and the 3rd mounting groove, the first mounting groove and the second mounting groove are connected, at the first mounting groove, in the second mounting groove and the 3rd mounting groove, be separately installed with clutch shaft bearing, the second bearing and the 3rd bearing, clutch shaft bearing is 51226 bearings, the second bearing is 22226 bearings, the 3rd bearing is 22226 bearings, lower end at main shaft is installed with nut, and nut is pressed on the lower surface of the 3rd bearing, outside at first step is set with locating flange, and locating flange and upper pillar stand are fixedly installed togather.
on above-mentioned the 3rd step between clutch shaft bearing and the second bearing, be set with bearing shim.
the internal diameter of above-mentioned the first mounting groove is greater than the internal diameter of the second mounting groove.
above-mentioned have respectively a corresponding nut pin mounting hole on main shaft and nut, in nut pin mounting hole, nut pin is installed.
together with above-mentioned locating flange is mounted by means of bolts on upper pillar stand; Together with shaft coupling flange is fixedly connected by welding with cantilever.
the utility model reasonable and compact in structure; easy to use; by being used in conjunction with of cantilever, main shaft, shaft coupling flange, clutch shaft bearing, the second bearing and the 3rd bearing; reduced stressed between cantilever and main shaft; guarantee universal effect and alerting ability when main shaft rotates, protected rotating machine and swing pinion not to be damaged simultaneously; there is safe and reliable and main shaft and rotate feature flexibly, extended service life, greatly reduce productive costs.
Accompanying drawing explanation
accompanying drawing 1 is looked semi-sictional view structural representation for the master of the utility model most preferred embodiment.
coding in accompanying drawing is respectively: 1 is cantilever, and 2 is main shaft, and 3 is shaft coupling flange, 4 is first step, and 5 is second step, and 6 is bolt, 7 is the 3rd step, and 8 is bearing seat, and 9 is clutch shaft bearing, 10 is the second bearing, and 11 is the 3rd bearing, and 12 is nut, 13 is upper pillar stand, and 14 is interior ring platform, and 15 is locating flange, 16 is bearing shim, and 17 is nut pin.
The specific embodiment
the utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in Figure 1, this cantilever 1 device for hoisting comprises cantilever 1, main shaft 2 and shaft coupling flange 3; Middle part and upper outside at main shaft 2 are fixed with respectively first step 4 and the second step 5 that external diameter increases successively, on the lower surface, left side of cantilever 1, have spindle mounting hole, the top of shaft coupling flange 3 is positioned at spindle mounting hole and shaft coupling flange 3 is fixedly installed togather with cantilever 1 and first step 4 respectively; Second step 5 is fixedly mounted in cantilever 1.Like this, by shaft coupling flange 3, reduced stressed between cantilever 1 and main shaft 2, protected main shaft surface microstructure, thereby extended the service life of cantilever 1 and main shaft 2.
can according to actual needs, above-mentioned cantilever 1 device for hoisting be made further optimization and/or improvements:
as shown in Figure 1, lower outside at main shaft 2 is fixed with the 3rd step 7 that external diameter is less than first step 4, on the 3rd step 7, be set with bearing seat 8, in the outside of bearing seat 8, there is upper pillar stand 13, in the inner side of upper pillar stand 13 one, be fixed with interior ring platform 14, bearing seat 8 is sleeved on the interior also seat of upper pillar stand 13 on interior ring platform 14, top at bearing seat 8, middle part and lower inside have respectively the first mounting groove along circumference, the second mounting groove and the 3rd mounting groove, the first mounting groove and the second mounting groove are connected, at the first mounting groove, in the second mounting groove and the 3rd mounting groove, be separately installed with clutch shaft bearing 9, the second bearing 10 and the 3rd bearing 11, clutch shaft bearing 9 is 51226 bearings, the second bearing 10 is 22226 bearings, the 3rd bearing 11 is 22226 bearings, in the lower end of main shaft 2, be installed with nut 12, nut 12 is pressed on the 3rd bearing 11 lower surface, in the outside of first step 4, be set with locating flange 15, locating flange 15 and upper pillar stand 13 are fixedly installed togather.Like this; when load-supporting wheel wearing and tearing back boom 1 is sagging, clutch shaft bearing 9, the second bearing 10 and the 3rd bearing 11 rotate the unaffected and load of flexibility ratios and can not increase the weight of; thereby protected rotating machine and swing pinion not to be damaged, greatly extended the service life of instrument, reduced productive costs.
as shown in Figure 1, on the 3rd step 7 between clutch shaft bearing 9 and the second bearing 10, be set with bearing shim 16.Like this, bearing shim 16 can allow cantilever 1 be horizontal.
as shown in Figure 1, the internal diameter of the first mounting groove is greater than the internal diameter of the second mounting groove.
as shown in Figure 1, on main shaft 2 and nut 12, there is respectively corresponding nut pin mounting hole, nut pin 17 is installed in nut pin mounting hole.
<b TranNum="111">as shown in Figure 1, locating flange 15 and upper pillar stand 13 are fixedly installed togather by bolt 6; Together with shaft coupling flange 3 is fixedly connected by welding with cantilever 1.Like this, be convenient to the Assembly &Disassembly between locating flange 15 and upper pillar stand 13; Be convenient to shaft coupling flange 3 and cantilever 1 is more firmly fixed together.</b>
above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger comformability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (10)
1. a cantilever crane device, is characterized in that comprising cantilever, main shaft and shaft coupling flange; Middle part and upper outside at main shaft are fixed with respectively first step and the second step that external diameter increases successively, on the lower surface, left side of cantilever, have spindle mounting hole, the top of shaft coupling flange is positioned at spindle mounting hole and shaft coupling flange is fixedly installed togather with cantilever and first step respectively; Second step is fixedly mounted in cantilever.
2. cantilever crane device according to claim 1, the lower outside that it is characterized in that main shaft is fixed with the 3rd step that external diameter is less than first step, on the 3rd step, be set with bearing seat, there is upper pillar stand in outside at bearing seat, in the inner side of upper pillar stand one, be fixed with interior ring platform, bearing sleeve is contained in the interior also seat of upper pillar stand on interior ring platform, top at bearing seat, middle part and lower inside have respectively the first mounting groove along circumference, the second mounting groove and the 3rd mounting groove, the first mounting groove and the second mounting groove are connected, at the first mounting groove, in the second mounting groove and the 3rd mounting groove, be separately installed with clutch shaft bearing, the second bearing and the 3rd bearing, clutch shaft bearing is 51226 bearings, the second bearing is 22226 bearings, the 3rd bearing is 22226 bearings, lower end at main shaft is installed with nut, and nut is pressed on the lower surface of the 3rd bearing, outside at first step is set with locating flange, and locating flange and upper pillar stand are fixedly installed togather.
3. cantilever crane device according to claim 2, is characterized in that being set with bearing shim on the 3rd step between clutch shaft bearing and the second bearing.
4. according to the cantilever crane device described in claim 2 or 3, it is characterized in that the internal diameter of the first mounting groove is greater than the internal diameter of the second mounting groove.
5. according to the cantilever crane device described in claim 2 or 3, it is characterized in that there is respectively corresponding nut pin mounting hole on main shaft and nut, in nut pin mounting hole, nut pin is installed.
6. cantilever crane device according to claim 4, is characterized in that there is respectively corresponding nut pin mounting hole on main shaft and nut, in nut pin mounting hole, nut pin is installed.
7. according to the cantilever crane device described in claim 2 or 3, it is characterized in that locating flange is mounted by means of bolts on upper pillar stand together with; Together with shaft coupling flange is fixedly connected by welding with cantilever.
8. cantilever crane device according to claim 4, it is characterized in that locating flange is mounted by means of bolts on upper pillar stand together with; Together with shaft coupling flange is fixedly connected by welding with cantilever.
9. cantilever crane device according to claim 5, it is characterized in that locating flange is mounted by means of bolts on upper pillar stand together with; Together with shaft coupling flange is fixedly connected by welding with cantilever.
10. cantilever crane device according to claim 6, it is characterized in that locating flange is mounted by means of bolts on upper pillar stand together with; Together with shaft coupling flange is fixedly connected by welding with cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498722.5U CN203392761U (en) | 2013-08-15 | 2013-08-15 | Cantilever crane device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498722.5U CN203392761U (en) | 2013-08-15 | 2013-08-15 | Cantilever crane device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203392761U true CN203392761U (en) | 2014-01-15 |
Family
ID=49904308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498722.5U Expired - Lifetime CN203392761U (en) | 2013-08-15 | 2013-08-15 | Cantilever crane device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203392761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236315A (en) * | 2015-10-30 | 2016-01-13 | 巨力索具股份有限公司 | Lifting tool with self-adaptive deflection rotation function |
-
2013
- 2013-08-15 CN CN201320498722.5U patent/CN203392761U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236315A (en) * | 2015-10-30 | 2016-01-13 | 巨力索具股份有限公司 | Lifting tool with self-adaptive deflection rotation function |
| CN105236315B (en) * | 2015-10-30 | 2019-06-25 | 巨力索具股份有限公司 | A kind of suspender with adaptive beat rotation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: 834000 No. 2500-1, Ping An Avenue, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang beiken Equipment Manufacturing Co.,Ltd. Patentee after: Xinjiang Beiken Energy Engineering Stock Co.,Ltd. Address before: 834009 No.91, menmen Road, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: Xinjiang Beiken Energy Engineering Stock Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |