CN1180974C - Hand turned crane - Google Patents
Hand turned crane Download PDFInfo
- Publication number
- CN1180974C CN1180974C CNB001084976A CN00108497A CN1180974C CN 1180974 C CN1180974 C CN 1180974C CN B001084976 A CNB001084976 A CN B001084976A CN 00108497 A CN00108497 A CN 00108497A CN 1180974 C CN1180974 C CN 1180974C
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- China
- Prior art keywords
- gear
- hand
- transverse arm
- miniature gears
- column
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Abstract
A manual lifting crane relates to lifting mechanical equipment, which has a structure which is simpler than that of a chain hoist. The total structure and the functional characteristics of the present invention are in a complete machine structure which is simpler. The complete machine has light weight and compactness, and the lifting capacity can reach 500 kilograms. The present invention can be used for storing, unloading a small vehicle own and lifting a small device entirely. The application field of the present invention is relatively wide.
Description
(1) technical field
The present invention relates to a kind of small-sized lifting equipment, especially a kind of hand turned crane.
(2) background technology
Minor crane tool equipment, such as chain block, the structure more complicated of its complete machine, and complete machine Heavy Weight and heaviness is used for manual beam crane or built on stilts monorail transit system, application is narrower.
(3) summary of the invention
In order to overcome Hand operating hoist complex structure in the prior art, complete machine weight is heavier, application is narrower deficiency, the invention provides that a kind of structure is more simple, complete machine is in light weight and small and exquisite, the hand turned crane that application is wider.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of hand turned crane, the instantaneous catch gear that includes pedestal, transverse arm, column, gear, is used with described transmission gearbox, described gear is installed on the described pedestal, and described column is installed on the described gear; Described column upper end is provided with R type raceway groove, the outside, described transverse arm bottom is provided with R type raceway groove, described column inner chamber is stretched in the lower end of described transverse arm, add ball in described two R type raceway grooves, be provided with three revolution pulleys and suspension hook in the described transverse arm, the mild steel tether is socketed on described revolution pulley and the suspension hook, and described transverse arm has been set up the supporting brace; Described gear comprises gearhousing, big gear wheel, rope-winding wheel, miniature gears, described gearhousing comprises canine tooth roller box shell, the little case shell of R shape, described big gear wheel, rope-winding wheel are socketed in the described canine tooth roller box shell, described miniature gears is installed on the little tooth axle in the little case shell of R shape, and described miniature gears cooperates with described big gear wheel transmission; Described instantaneous catch gear comprises two friction linings, ratchet sheet, jam nut, shakes the hand, described little tooth axle is provided with an extension, two friction linings are installed near the bearing place of pinion stand in described extension, the ratchet sheet is installed between the described friction lining, the ratchet that cooperates with the ratchet sheet is installed on the shell of gear case, the rear end of described extension is provided with screw thread, and described screw thread cooperates with described jam nut, described shake the hand and described little tooth axle is connected.
Further, described shaking the hand captiveed joint with described jam nut.
Further again, the big gear wheel of described canine tooth roller box adopts 48 gears, and the miniature gears of described pinion stand adopts the hand gear of 12 teeth.
Further, described transverse arm adopts solid drawn pipe.
Hand turned crane beneficial effect of the present invention mainly shows: 1, for chain block, the instantaneous catch gear that complete machine is used by pedestal, transverse arm, column, gear, with described transmission gearbox is formed, and the structure of complete machine is comparatively simple; 2, complete machine is in light weight and small and exquisite; 3, set up the supporting brace on the transverse arm, adopted R shape raceway groove connection up and down between column and the transverse arm, miniature gears and big gear wheel constitute 1: 4 transmitting ratio, lifting weight can reach 500 kilograms, can be applicable to storage, dilly self-unloading and midget plant integral hoisting, application is wider.
(4) description of drawings
Fig. 1 is the integral structure figure of hand turned crane of the present invention.
Fig. 2 is the constructional drawing of transverse arm of the present invention.
Fig. 3 is the structural representation of column of the present invention, gear, instantaneous catch gear.
Fig. 4 is the cut-away view of canine tooth roller box shell of the present invention.
Fig. 5 is the matching chart of big gear wheel of the present invention and miniature gears.
Fig. 6 is the constructional drawing of instantaneous catch gear of the present invention.
Fig. 7 is the constructional drawing of friction lining of the present invention.
Fig. 8 is the constructional drawing of ratchet of the present invention.
Fig. 9 is the constructional drawing of jam nut of the present invention.
Figure 10 is the side direction structural representation of Fig. 3.
(5) specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 10, a kind of hand turned crane, include pedestal 1, transverse arm 2, column 3, gear 4, with the instantaneous catch gear that transmission gearbox 4 is used, gear 4 is installed on the pedestal 1, column 3 is installed on the gear 4; Column 3 upper ends are provided with R type raceway groove 6, transverse arm 2 lower cases also are provided with R type raceway groove 7, the column inner chamber is stretched in the lower end of transverse arm, two R type raceway grooves 6,7 cooperatively interact up and down, add ball and constitute slideway in R type raceway groove 6,7, and transverse arm 2 can be that center 360 degree rotate with column 3, be provided with three revolution pulleys 8 and suspension hook 9 in the transverse arm 2, mild steel tether 10 is socketed on revolution pulley 8 and the suspension hook 9, and transverse arm 2 has been set up supporting brace 11, and transverse arm 2 adopts solid drawn pipe to make.Gear 4 comprises gearhousing, big gear wheel 14, rope-winding wheel 15, miniature gears 17, gearhousing comprises canine tooth roller box shell 12, the little case shell 13 of R shape, big gear wheel 14, rope-winding wheel 15 are socketed on the canine tooth axle 16 in the canine tooth roller box shell 12, miniature gears 17 is installed on the little tooth axle 18 in the little case shell 13 of R shape, miniature gears 17 cooperates with big gear wheel transmission 18, and big gear wheel adopts 48 gears, and miniature gears adopts the hand gear of 14 teeth, set clockwise and shake lifting, inverse clock shakes decline.
Referring to Fig. 6, Fig. 7, Fig. 8, Fig. 9, described instantaneous catch gear comprises two friction linings 19, ratchet sheet 20, jam nut 21, shakes the hand 22, the described little tooth axle 18 outer extensions that are provided with, two friction linings 19 are installed near the bearing place of pinion stand in described extension, ratchet sheet 20 is installed between the described friction lining, the ratchet that cooperates with ratchet sheet 20 is installed on the shell of pinion stand 13, the rear end of extension is provided with screw thread, screw thread cooperates with jam nut 21, shakes the hand 22 to captive joint with jam nut 21.Screw thread and jam nut 21 all car are made 90 °, the negative thread limit of described jam nut 21 is provided with three R grooves of 120 ° of five equilibriums, fill up the hard grease in its groove, jam nut 21 is cylindrical nuts, its function is 22 to stop instantaneous locking friction lining when shaking the hand, and stops back and falls, when counterclockwise shakes, move behind the jam nut 21, ratchet 20 does not have locking effect.
Hand turned crane of the present invention, with respect to former chain block, the structure of complete machine is comparatively simple, and complete machine in light weight and small and exquisite set up supporting brace 11 on the transverse arm 2, adopting up and down between column 3 and the transverse arm 2, R shape raceway groove connects, miniature gears 17 constitutes 1: 4 transmitting ratio with big gear wheel 14, and lifting weight can reach 500 kilograms, can be applicable to storage, dilly self-unloading and midget plant integral hoisting, application is wider.
Claims (4)
1, a kind of hand turned crane, it is characterized in that: the instantaneous catch gear that includes pedestal, transverse arm, column, gear, is used with described transmission gearbox, described gear is installed on the described pedestal, and described column is installed on the described gear; Described column upper end is provided with R type raceway groove, described transverse arm bottom is provided with R type raceway groove, described column inner chamber is stretched in the lower end of described transverse arm, add ball in described two R type raceway grooves, be provided with three revolution pulleys and suspension hook in the described transverse arm, the mild steel tether is socketed on described revolution pulley and the suspension hook, and described transverse arm has been set up the supporting brace;
Described gear comprises gearhousing, big gear wheel, rope-winding wheel, miniature gears, described gearhousing comprises canine tooth roller box shell, the little case shell of R shape, described big gear wheel, rope-winding wheel are socketed in the described canine tooth roller box shell, described miniature gears is installed on the little tooth axle in the little case shell of R shape, and described miniature gears cooperates with described big gear wheel transmission;
Described instantaneous catch gear comprises two friction linings, ratchet sheet, jam nut, shakes the hand, described little tooth axle is provided with an extension, two friction linings are installed near the bearing place of pinion stand in described extension, the ratchet sheet is installed between the described friction lining, the ratchet that cooperates with the ratchet sheet is installed on the shell of gear case, the rear end of described extension is provided with screw thread, and described screw thread cooperates with described jam nut, described shake the hand and described little tooth axle is connected.
2, hand turned crane as claimed in claim 1 is characterized in that: described shaking the hand captiveed joint with described jam nut.
3, as claim 1 or 2 described hand turned cranes, it is characterized in that: the big gear wheel of described canine tooth roller box adopts 48 gears, and the miniature gears of described pinion stand adopts the hand gear of 12 teeth.
4, hand turned crane as claimed in claim 3 is characterized in that: described transverse arm adopts solid drawn pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001084976A CN1180974C (en) | 2000-07-21 | 2000-07-21 | Hand turned crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001084976A CN1180974C (en) | 2000-07-21 | 2000-07-21 | Hand turned crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1335254A CN1335254A (en) | 2002-02-13 |
| CN1180974C true CN1180974C (en) | 2004-12-22 |
Family
ID=4579236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001084976A Expired - Fee Related CN1180974C (en) | 2000-07-21 | 2000-07-21 | Hand turned crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1180974C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334115A (en) * | 2015-12-04 | 2016-02-17 | 中国飞机强度研究所 | Pull rope displacement type deflectometer |
| CN106495024A (en) * | 2016-12-14 | 2017-03-15 | 中航飞机股份有限公司西安飞机分公司 | A kind of rotation and lifting conveying arrangement and using method |
| CN108249318A (en) * | 2017-12-21 | 2018-07-06 | 上海二十冶建设有限公司 | A kind of new steel structure hoisting engineering steel gin pole installation method |
| CN112678696B (en) * | 2020-12-18 | 2022-09-13 | 重庆市合川区昌友机械制造有限责任公司 | Hoisting device for fan gear machining machine tool |
-
2000
- 2000-07-21 CN CNB001084976A patent/CN1180974C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1335254A (en) | 2002-02-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041222 Termination date: 20120721 |