CN201980885U - Miniature crane - Google Patents
Miniature crane Download PDFInfo
- Publication number
- CN201980885U CN201980885U CN2011200780965U CN201120078096U CN201980885U CN 201980885 U CN201980885 U CN 201980885U CN 2011200780965 U CN2011200780965 U CN 2011200780965U CN 201120078096 U CN201120078096 U CN 201120078096U CN 201980885 U CN201980885 U CN 201980885U
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- fixed
- turntable
- hoisting crane
- axle sleeve
- revolution
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Abstract
The utility model discloses a miniature crane, which comprises an arm support, a lifting hook, a base, a rotary mechanism and a rotating platform. The lifting hook is hung at the top of the arm support through a hoisting rope. The rotary mechanism can rotate at any angle within 360 degrees and comprises a rotating shaft and a shaft sleeve which are in rotation connection with each other. The arm support is hinged to the front side of the rotating shaft. The rotating platform is fixed on the back side of the rotating shaft. The shaft sleeve is fixed on the base. Both the base and the rotating platform adopt box structures. A worm wheel and worm luffing mechanism and a worm wheel and worm hoisting mechanism are arranged inside the rotating platform, and a rotating platform shell is in rotation connection with a crank handle which is connected with the worm wheel and worm luffing mechanism. The miniature crane can enable the motion range of the weight to be expanded from two dimensions to three dimensions through the rotary mechanism capable of rotating at any angle within 360 degrees.
Description
Technical field
The utility model relates to a kind of miniature hoisting crane.
Background technology
Present miniature hoisting crane exists that to hang carrying capacity little, and weight can only be confined to lifting and motion in the planar range.Chinese patent literature CN94229456.4 provides a kind of " manpower, electric dual-purpose miniature moving crane ", this car can Rotate 180 ° from the two sides lifting, vertical rod, suspension rod all can elongate.This car can Rotate 180 ° from the two sides lifting, but still feel not enough in actual applications, and this car can only lift the weight below 400 kilograms.
The utility model content
Technical problem to be solved in the utility model provide a kind of be applicable to small space, manpower can not and, cost requirement is low and hang carrying capacity reaches miniature hoisting crane 1000 kilograms, compact conformation.
In order to solve the problems of the technologies described above, technical scheme provided by the utility model is: a kind of miniature hoisting crane, comprise jib and suspension hook, and suspension hook is articulated in the jib top by raising line, also comprises base, swing type mechanism and turntable; Described swing type mechanism can 360 ° of arbitrary angle rotaries; Described swing type mechanism comprises axis of revolution and the axle sleeve that is rotationally connected; Described jib is hinged on the front side of axis of revolution, and turntable is fixed on the rear side of rotating shaft, and axle sleeve is fixed on the base; Described base and turntable all adopt body structure; Worm and gear luffing mechanism and worm and gear lifting mechanism are installed in the described turntable, are rotatably connected to wind on the housing of turntable, wind is connected with the worm and gear luffing mechanism.
Described swing type mechanism also comprises ball-bearing casing and the tapered roller bearing that is fixed between axis of revolution and the axle sleeve; The inner ring of described ball-bearing casing and axis of revolution free-running fit.
Described swing type mechanism also comprises upper end cover, bottom end cover and tightens screw, and upper end cover is by tightening the upper end of screw retention at axle sleeve, and bottom end cover is by tightening the lower end of screw retention at axle sleeve.
The bottom of the axis of revolution of described swing type mechanism is provided with limited step, and the upper and lower of axle sleeve is respectively equipped with tops bar and get out of a predicament or an embarrassing situation; The outer ring of described ball-bearing casing is stuck between topping bar of axle sleeve and the upper end cover; The outer ring of described tapered roller bearing is stuck between getting out of a predicament or an embarrassing situation of axle sleeve and the bottom end cover; The inner ring of described tapered roller bearing is enclosed within on the axis of revolution, and the upper end is near limited step.
Described jib comprises halberd formula arm head, coxopodite and hinge ear, and halberd formula arm head is fixed on the coxopodite upper end, and the hinge ear is fixed on the coxopodite lower end, and hinge ear and axis of revolution are hinged; Described halberd formula arm head adopts body structure.
The bottom of described base is equipped with two BOGEY WHEELs and two cardan wheels; Four collapsible supporting legs also are installed on the described base.
Miniature hoisting crane also comprises luffing rope bearing support, and luffing rope bearing support adopts the plug type structure, comprises column, guide wheel shaft and track adjusting wheel; Described column is fixed on the crossbeam at turntable top, and the top of column two sides all is fixed with stay bearing plate, and the two ends of guide wheel shaft are fixed with two stay bearing plates respectively, and track adjusting wheel is fixed on the guide wheel shaft; The cylindrical of described track adjusting wheel is provided with groove.
The bottom of the column of described luffing rope bearing support is provided with the installation slotted eye, is equipped with fixed orifice on the two side of installation slotted eye, and luffing rope bearing support is fixed on the crossbeam at turntable top by the installation slotted eye of column.
Described luffing rope bearing support also comprises position-limited lever and strengthening support; The two ends of described position-limited lever are fixed with two stay bearing plates respectively, and position-limited lever is near the track adjusting wheel setting; Described strengthening support is fixed on the column downside, and the bottom of strengthening support is in same plane with the top that slotted eye is installed.
Miniature hoisting crane also comprises weight box, weight arm and carriage, and weight arm adopts the plug type structure, and an end of weight arm is fixed on the bottom of turntable rear end by carriage, and weight box is hanging connected in the other end of weight arm.
After having adopted technique scheme, the utlity model has positive effect: (1) the utility model can be with the swing type mechanism of 360 ° of arbitrary angle rotaries by being provided with, thus the range of movement of realizing weight by planar extension to solid.
(2) jib of the present utility model is hinged on the front side of axis of revolution, and this structure makes jib can play arm flexibly or the arm of lying prone, and helps welding and reducing the distortion of mother metal.
(3) inner ring of the ball-bearing casing of swing type mechanism of the present utility model and axis of revolution free-running fit, this structure make can move about behind the axis of revolution stress deformation voluntarily, reduces the unnecessary constraint to axis of revolution.
(4) halberd formula arm head of the present utility model, base, turntable all adopt body structure, can alleviate deadweight like this, improve the degree of utilization of steel simultaneously.
(5) luffing rope bearing support of the present utility model is fixed on the crossbeam at turntable top, this structure has increased the angle of luffing rope and jib, improved the influence to jib when the jib low-angle of luffing pull of steel wire, make the pulling force of luffing rope existed by the form of axial force and diametral load with jib, improved the loading capability that hangs of unit jib weight, contrast does not add the mode of luffing rope bearing support, and the maximum stress value of jib reduces about 1/3rd.
(6) position-limited lever of luffing rope bearing support of the present utility model can avoid the luffing rope to skid off the groove of track adjusting wheel near the track adjusting wheel setting.
(7) strengthening support of luffing rope bearing support of the present utility model is fixed on the column downside, and this structure has increased the firmness after the utility model installation, makes the utility model more stable to the supporting of luffing rope.
(8) weight box of the present utility model and weight arm have improved and have hung load carrying ability under the prerequisite that hoisting crane intensity allows.
(9) luffing rope bearing support of the present utility model and weight arm are the plug type structure, and this structure has greatly reduced transportation clearance.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of swing type mechanism of the present utility model.
Fig. 3 is the structural representation of luffing rope bearing support luffing rope bearing support of the present utility model.
Fig. 4 is the right elevation of Fig. 3.
Label in the accompanying drawing is:
Jib 1, halberd formula arm head 11, coxopodite 12, hinge ear 13, suspension hook 2, base 3, BOGEY WHEEL 31, cardan wheel 32, collapsible supporting leg 33, swing type mechanism 4, axis of revolution 41, limited step 411, axle sleeve 42, top bar 421, get out of a predicament or an embarrassing situation 422, ball-bearing casing 43, tapered roller bearing 44, upper end cover 45, bottom end cover 46, tighten screw 47, turntable 5, worm and gear luffing mechanism 51, worm and gear lifting mechanism 52, wind 53, crossbeam 54, luffing rope bearing support 6, column 61, stay bearing plate 611, slotted eye 612 is installed, fixed orifice 613, guide wheel shaft 62, track adjusting wheel 63, groove 631, position-limited lever 64, strengthening support 65, weight box 7, weight arm 8, carriage 9.
The specific embodiment
(embodiment 1)
See Fig. 1, present embodiment comprises jib 1, suspension hook 2, base 3, swing type mechanism 4, turntable 5, luffing rope bearing support 6, weight box 7, weight arm 8 and carriage 9.
Suspension hook 2 is articulated in jib 1 top by raising line.Swing type mechanism 4 can 360 ° of arbitrary angle rotaries, thus the range of movement of realizing weight by planar extension to solid.Swing type mechanism 4 comprises axis of revolution 41 and the axle sleeve 42 that is rotationally connected.Jib 1 is hinged on the front side of axis of revolution 41, makes jib 1 can play arm flexibly or the arm of lying prone, and this structure helps welding and reducing the distortion of mother metal.Turntable 5 is fixed on the rear side of rotating shaft 41, and axle sleeve 42 is fixed on the base 3.Base 3 and turntable 5 all adopt body structure.
Worm and gear luffing mechanism 51 and worm and gear lifting mechanism 52 are installed in the turntable 5, are rotatably connected to wind 53 on the housing of turntable 5, wind 53 is connected with worm and gear luffing mechanism 51.By the rotating of worm and gear luffing mechanism 51, realize the receipts of luffing steel rope and put, thereby change the elevation angle of halberd formula arm head 11, realize the variation of operating radius.By the rotating of worm and gear lifting mechanism 52, the receipts of the steel wire of realizing hoisting and putting realize the lifting of weight by the movable pulley of suspension hook 2.
Jib 1 comprises halberd formula arm head 11, coxopodite 12 and hinge ear 13, and halberd formula arm head 11 is fixed on coxopodite 12 upper ends, and hinge ear 13 is fixed on coxopodite 12 lower ends, and hinge ear 13 is hinged with axis of revolution 41.Halberd formula arm head 11 adopts body structure.The bottom of base 3 is equipped with two BOGEY WHEELs 31 and two cardan wheels 32.Four collapsible supporting legs 33 also are installed on the base 3.
Halberd formula arm head 11, base 3, turntable 5 all adopt body structure, can alleviate deadweight like this, improve the degree of utilization of steel simultaneously.
For load carrying ability is hung in raising, under the prerequisite that hoisting crane intensity allows, increase weight box 7 and weight arm 8.Weight arm 8 also adopts the plug type structure, has further reduced transportation clearance.One end of weight arm 8 is fixed on the bottom of turntable rear end by carriage 9, and weight box 7 is hanging connected in the other end of weight arm 8.
See Fig. 2, swing type mechanism 4 also comprises ball-bearing casing 43 and the tapered roller bearing 44 that is fixed between axis of revolution 41 and the axle sleeve 42.The inner ring of ball-bearing casing 3 and axis of revolution 1 free-running fit.Swing type mechanism 4 also comprises upper end cover 45, bottom end cover 46 and tightens screw 47, and upper end cover 45 is fixed on the upper end of axle sleeve 42 by tightening screw 47, and bottom end cover 46 is fixed on the lower end of axle sleeve 42 by tightening screw 47.The bottom of the axis of revolution 41 of swing type mechanism 4 is provided with limited step 411, and the upper and lower of axle sleeve 42 is respectively equipped with tops bar 421 and get out of a predicament or an embarrassing situation 422; The outer ring of ball-bearing casing 43 be stuck in axle sleeve 42 top bar 421 and upper end cover 45 between; The outer ring of tapered roller bearing 44 be stuck in axle sleeve 42 get out of a predicament or an embarrassing situation 422 and bottom end cover 46 between; The inner ring of tapered roller bearing 44 is enclosed within on the axis of revolution 41, and the upper end is near limited step 411.
See Fig. 3 and Fig. 4, luffing rope bearing support 6 comprises column 61, guide wheel shaft 62, track adjusting wheel 63, position-limited lever 64 and strengthening support 65.Column 61 is fixed on the crossbeam 54 at turntable 5 tops, and the top of column 61 two sides all is fixed with stay bearing plate 611, and the two ends of guide wheel shaft 62 are fixing with two stay bearing plates 611 respectively, and track adjusting wheel 63 is fixed on the guide wheel shaft 62.The cylindrical of track adjusting wheel 63 is provided with groove 631.The bottom of the column 61 of luffing rope bearing support 6 is provided with installs slotted eye 612, is equipped with fixed orifice 613 on the two side of installation slotted eye 612, and luffing rope bearing support 6 is fixed on the crossbeam 54 at turntable 5 tops by the installation slotted eye 612 of column 61.The two ends of position-limited lever 64 are fixing with two stay bearing plates 611 respectively, and position-limited lever 64 is provided with near track adjusting wheel 63.Strengthening support 65 is fixed on column 61 downsides, and the bottom of strengthening support 65 is in same plane with the top that slotted eye 612 is installed.Luffing rope bearing support 6 adopts the plug type structure, has greatly reduced transportation clearance.Luffing rope bearing support 6 improved the luffing pull of steel wire when jib 1 low-angle to the influence of jib 1, improved the loading capability that hangs of unit jib weight.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a miniature hoisting crane comprises jib (1) and suspension hook (2), and suspension hook (2) is articulated in jib (1) top by raising line, it is characterized in that: also comprise base (3), swing type mechanism (4) and turntable (5); Described swing type mechanism (4) can 360 ° of arbitrary angle rotaries; Described swing type mechanism (4) comprises axis of revolution (41) and the axle sleeve (42) that is rotationally connected; Described jib (1) is hinged on the front side of axis of revolution (41), and turntable (5) is fixed on the rear side of rotating shaft (41), and axle sleeve (42) is fixed on the base (3); Described base (3) and turntable (5) all adopt body structure; Worm and gear luffing mechanism (51) and worm and gear lifting mechanism (52) are installed in the described turntable (5), are rotatably connected to wind (53) on the housing of turntable (5), wind (53) is connected with worm and gear luffing mechanism (51).
2. a kind of miniature hoisting crane according to claim 1 is characterized in that: described swing type mechanism (4) also comprises ball-bearing casing (43) and the tapered roller bearing (44) that is fixed between axis of revolution (41) and the axle sleeve (42); The inner ring of described ball-bearing casing (3) and axis of revolution (1) free-running fit.
3. a kind of miniature hoisting crane according to claim 2, it is characterized in that: described swing type mechanism (4) also comprises upper end cover (45), bottom end cover (46) and tightens screw (47), upper end cover (45) is fixed on the upper end of axle sleeve (42) by tightening screw (47), and bottom end cover (46) is fixed on the lower end of axle sleeve (42) by tightening screw (47).
4. a kind of miniature hoisting crane according to claim 3 is characterized in that: the bottom of the axis of revolution (41) of described swing type mechanism (4) is provided with limited step (411), and the upper and lower of axle sleeve (42) is respectively equipped with tops bar (421) and get out of a predicament or an embarrassing situation (422); The outer ring of described ball-bearing casing (43) is stuck between topping bar (421) of axle sleeve (42) and the upper end cover (45); The outer ring of described tapered roller bearing (44) is stuck between getting out of a predicament or an embarrassing situation (422) of axle sleeve (42) and the bottom end cover (46); The inner ring of described tapered roller bearing (44) is enclosed within on the axis of revolution (41), and the upper end is near limited step (411).
5. a kind of miniature hoisting crane according to claim 4, it is characterized in that: described jib (1) comprises halberd formula arm head (11), coxopodite (12) and hinge ear (13), halberd formula arm head (11) is fixed on coxopodite (12) upper end, hinge ear (13) is fixed on coxopodite (12) lower end, and hinge ear (13) is hinged with axis of revolution (41); Described halberd formula arm head (11) adopts body structure.
6. a kind of miniature hoisting crane according to claim 5 is characterized in that: the bottom of described base (3) is equipped with two BOGEY WHEELs (31) and two cardan wheels (32); Four collapsible supporting legs (33) also are installed on the described base (3).
7. a kind of miniature hoisting crane according to claim 6 is characterized in that: also comprise luffing rope bearing support (6), luffing rope bearing support (6) adopts the plug type structure, comprises column (61), guide wheel shaft (62) and track adjusting wheel (63); Described column (61) is fixed on the crossbeam (54) at turntable (5) top, the top of column (61) two sides all is fixed with stay bearing plate (611), the two ends of guide wheel shaft (62) are fixing with two stay bearing plates (611) respectively, and track adjusting wheel (63) is fixed on the guide wheel shaft (62); The cylindrical of described track adjusting wheel (63) is provided with groove (631).
8. a kind of miniature hoisting crane according to claim 7, it is characterized in that: the bottom of the column (61) of described luffing rope bearing support (6) is provided with installs slotted eye (612), be equipped with fixed orifice (613) on the two side of installation slotted eye (612), luffing rope bearing support (6) is fixed on the crossbeam (54) at turntable (5) top by the installation slotted eye (612) of column (61).
9. a kind of miniature hoisting crane according to claim 8 is characterized in that: described luffing rope bearing support (6) also comprises position-limited lever (64) and strengthening support (65); The two ends of described position-limited lever (64) are fixing with two stay bearing plates (611) respectively, and position-limited lever (64) is provided with near track adjusting wheel (63); Described strengthening support (65) is fixed on column (61) downside, and the bottom of strengthening support (65) is in same plane with the top that slotted eye (612) is installed.
10. a kind of miniature hoisting crane according to claim 9, it is characterized in that: also comprise weight box (7), plug type weight arm (8) and carriage (9), weight arm (8) adopts the plug type structure, one end of weight arm (8) is fixed on the bottom of turntable rear end by carriage (9), and weight box (7) is hanging connected in the other end of weight arm (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200780965U CN201980885U (en) | 2011-03-23 | 2011-03-23 | Miniature crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200780965U CN201980885U (en) | 2011-03-23 | 2011-03-23 | Miniature crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201980885U true CN201980885U (en) | 2011-09-21 |
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ID=44608349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200780965U Expired - Lifetime CN201980885U (en) | 2011-03-23 | 2011-03-23 | Miniature crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201980885U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689845A (en) * | 2011-03-23 | 2012-09-26 | 常州益利亚重工机械科技有限公司 | Miniature crane |
| CN103420275A (en) * | 2013-08-07 | 2013-12-04 | 深圳市三利谱光电科技股份有限公司 | Rocker arm lifting crane |
| CN108069345A (en) * | 2017-12-23 | 2018-05-25 | 玉林市玉州区万通华信科技服务部 | A kind of architectural engineering small lift |
| CN110775834A (en) * | 2019-11-05 | 2020-02-11 | 徐州市凯诺机械有限公司 | Lifting device with index tension |
-
2011
- 2011-03-23 CN CN2011200780965U patent/CN201980885U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689845A (en) * | 2011-03-23 | 2012-09-26 | 常州益利亚重工机械科技有限公司 | Miniature crane |
| CN102689845B (en) * | 2011-03-23 | 2014-08-27 | 大连理工大学 | Miniature crane |
| CN103420275A (en) * | 2013-08-07 | 2013-12-04 | 深圳市三利谱光电科技股份有限公司 | Rocker arm lifting crane |
| CN108069345A (en) * | 2017-12-23 | 2018-05-25 | 玉林市玉州区万通华信科技服务部 | A kind of architectural engineering small lift |
| CN110775834A (en) * | 2019-11-05 | 2020-02-11 | 徐州市凯诺机械有限公司 | Lifting device with index tension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110921 Effective date of abandoning: 20140827 |
|
| RGAV | Abandon patent right to avoid regrant |