CN203639041U - Small-sized crane - Google Patents
Small-sized crane Download PDFInfo
- Publication number
- CN203639041U CN203639041U CN201320717419.XU CN201320717419U CN203639041U CN 203639041 U CN203639041 U CN 203639041U CN 201320717419 U CN201320717419 U CN 201320717419U CN 203639041 U CN203639041 U CN 203639041U
- Authority
- CN
- China
- Prior art keywords
- small
- main shaft
- lifting
- sized crane
- clutch
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a small-sized crane for lifting a heavy object, which comprises a base, a rack part, a lifting part, a main shaft and a clutch, wherein the rack part and the lifting part are installed on the base; the main shaft extends from the lifting part to the rack part; the clutch is sleeved on the main shaft to switch the torque. A winch drum and a bevel gear pair are respectively arranged on the two sides of the clutch on the main shaft; the clutch switches and transfers the torque of the main shaft through reversing to the winch drum and the bevel gear pair; a base frame pole and a rotating arm of the rack part are driven by the meshed transmission of the bevel gear pair to rotate so as to realize an effect that a same power device controls the lifted heavy object to lift and the rotating arm to rotate. A self-locking device is arranged at one end of the winch drum to improve the safety of the small-sized crane. The small-sized crane for lifting the heavy object has the advantages of small size, light weight and high automation level.
Description
Technical field
The utility model relates to loop wheel machine, specifically relates to a kind of for lifting the small-sized crane of weight.
Background technology
Small-sized crane is widely used in the workplaces such as the lifting lifting of the handling of building materials of building ground, family room's interior decoration etc. and light mail, small-sized object.Small-sized crane in the market exists that performance is single, malfunction, the not high factors of safety factor, can not solve well the problem running in hoisting process.
Its main transmission section of traditional small-sized crane is directly the rotation of driven by motor winding drum, and the idle running time is longer; Some small-sized running parts are unsettled, and in transmission process, center of gravity height is unstable, and potential safety hazard is buried in its safety to whole transportation engineering.And small-sized crane mostly is without automatic rotation, there are the volume of automatic rotation and weight all excessive, not flexible of truss, operating range is limited.It is larger, not quick detachable that tradition promotes hoisting device volume, assembling and transport.
In the prior art, a kind of Mini-size hoist machine is disclosed, comprise: actuating unit, support and handling whirling arm mechanism, wherein, actuating unit comprises motor, retarder, rope roll, support comprises screw rod, push rod and turning set, handling whirling arm mechanism comprises arm, the first pulley, the second pulley and steel rope, motor drives rope roll by subtracting belt speed device, screw rod is arranged on a base, push rod is connected with screw rod by a very heavy nut, one end of arm is installed in rotation on turning set, the other end is installed the first pulley, the second pulley is fixedly mounted on turning set, the two ends of pull bar are connected respectively to one end near the first pulley on turning set and arm.This Mini-size hoist machine can have the indoor operation more easily of window.
But the actuating unit of above-mentioned Mini-size hoist machine only can be realized the lifting to article, does not have self-locking device, safety factor is low; And in the time that needs regulate lifting scope, the rotation of handling whirling arm mechanism needs manual shift.So prior art lacks a kind of for lifting the small-sized crane of weight, by the same engine installation control lifting lifting of weight and the rotation of pivot arm.
Utility model content
In order to address the above problem, it is a kind of for lifting the small-sized crane of weight that the purpose of this utility model is to provide, and realizes by the same engine installation control lifting lifting of weight and the rotation of pivot arm.
In order to achieve the above object, it is a kind of for lifting the small-sized crane of weight that the utility model provides, there is such feature: comprising: framework portion, for the rope body of the tight weight of support pin, lifting portion, be positioned at the side of framework portion for withdrawing rope body, main shaft, by lifting, portion extends to framework portion, and power-transfer clutch, axially be sleeved on main shaft one end near framework portion, wherein, main shaft is provided with the first finishing bevel gear cuter in one end of contact framework portion, framework portion comprise the second finishing bevel gear cuter of being meshed with the first finishing bevel gear cuter and be erected on the second finishing bevel gear cuter and with the pedestal bar of the second finishing bevel gear cuter synchronous rotary.
In the small-sized crane providing at the utility model, can also there is such feature: also comprise: the suction that is arranged on framework portion top is taken over a business and for the base of support frame portion and lifting portion, wherein, framework portion comprises: the body frame bar that is contained in pedestal bar periphery by bearing carrier ring, at least two are fixed on base for supporting the bracing frame of body frame bar, the fixed installation of one end and pedestal bar is for the pivot arm of strop body trend, and two ends respectively and pedestal bar and pivot arm is hinged overlaps for the left-right rotary feed screw nut who regulates angle between pivot arm and pedestal bar.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, framework portion also comprise be arranged on pedestal masthead end for regulate inhale take over a business height screw mandrel.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, lifting portion comprises: the motor of drive shaft rotation, axially be sleeved on the drg of main shaft near motor one end, axially be sleeved on the winding drum on main shaft and between Clutch and brake, and be arranged on winding drum near power-transfer clutch one end for preventing the self-locking device of winding drum reversion.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, hinged place at left-right rotary feed screw nut cover and pedestal bar is provided with the first pulley, be provided with the second pulley at pivot arm away from one end of pedestal bar, rope body is successively through winding drum, the first pulley and the second pulley lifting weight.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, drg is internal expanding shoe brake, is provided with brake pedal.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, power-transfer clutch is castellated two-way engaged clutch, is provided with clutch control handle.
In the small-sized crane providing at the utility model, can also have such feature: wherein, drg is internal expanding shoe brake, is provided with brake pedal, power-transfer clutch is castellated two-way engaged clutch, is provided with clutch control handle.
In the small-sized crane providing at the utility model, can also there is such feature: wherein, self-locking device comprise ratchet device and with the supporting cam limit self mechanism of ratchet device.
The effect of utility model and effect
According to the utility model related for lifting the small-sized crane of weight, comprise: base, be arranged on framework portion and lifting portion on base, main shaft is extended to framework portion by lifting portion, and be sleeved on the power-transfer clutch that switches torque on main shaft, power-transfer clutch is realized the operation switching controls to framework portion and lifting portion by commutation, so it is a kind of for lifting the small-sized crane of weight that the utility model can provide, realize by the same engine installation control lifting lifting of weight and the rotation of pivot arm.
Brief description of the drawings
Fig. 1 is the structural representation of the middle-size and small-size loop wheel machine of embodiment of the present utility model;
Fig. 2 is the partial enlarged drawing of the corresponding part of alphabetical A in Fig. 1;
Fig. 3 is the self-locking device locking self-locking state schematic diagram of the middle-size and small-size loop wheel machine of embodiment of the present utility model; And
Fig. 4 is the self-locking device released state schematic diagram of the middle-size and small-size loop wheel machine of embodiment of the present utility model.
In figure, 100. small-sized cranes, 101. framework portions, 102. lifting portions, 1. base, 2. motor, 3. drg, 4. winding drum, 5. self-locking device, 6. power-transfer clutch, 7. bracing frame, 8. pedestal bar, 9. body frame bar, 10. pivot arm, 11. left-right rotary feed screw nut covers, 12. inhale, 13. screw mandrels, 14. first finishing bevel gear cuters, 15. second finishing bevel gear cuters, 16. brake pedals, 17. clutch control handles, 18. first pulleys, 19. second pulleys, 20. supporting seats, 21. flanges, 22. ratchet devices, 23. cam limit self mechanisms.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment and accompanying drawing, the utility model is specifically addressed.
Embodiment
Fig. 1 is the structural representation of the middle-size and small-size loop wheel machine of embodiment of the present utility model.
As shown in Figure 1, in the present embodiment, for lifting the small-sized crane 100 of weight, comprising: base 1, power-transfer clutch 6, the main shaft of inhaling 12, not showing in framework portion 101, lifting portion 102 and figure.
Body frame bar 9 is contained in pedestal bar 8 peripheries by bearing carrier ring; Three bracing frames 7 are fixed on base 1 and support body frame bar 9 by flange 21; One end of pivot arm 10 and pedestal bar 9 fixedly mount the other end and extend forward for strop body and move towards; Left-right rotary feed screw nut overlap 11 two ends respectively and pedestal bar 8 and pivot arm 10 hinged for regulating the angle between pivot arm 10 and pedestal bar 8, screw mandrel 13 is arranged on pedestal bar 8 tops and inhales 12 height for regulating, left-right rotary feed screw nut overlap 11 and the hinged place of pedestal bar 8 be provided with the first pulley 18, be provided with the second pulley 19 away from one end of pedestal bar 8 at pivot arm 10.
Fig. 2 is the partial enlarged drawing of the corresponding part of alphabetical A in Fig. 1.
As shown in Figure 2, lifting portion 102 comprises: motor 2, drg 3, winding drum 4 and self-locking device 5.
Main shaft directly drives rotation by motor 2, drg 3 is axially sleeved on main shaft one end near motor 2, winding drum 4 is axially sleeved on main shaft and between power-transfer clutch 6 and drg 3, and self-locking device 5 is arranged on winding drum 4 and reverses for preventing winding drum 4 near one end of power-transfer clutch 6.Rope body lifts weight through winding drum 4, the first pulley 18 and the second pulley 19 successively.
As shown in Figure 2, main shaft is provided with the first finishing bevel gear cuter 14 in one end of contact framework portion 101, framework portion 101 comprises the second finishing bevel gear cuter 15 being meshed with the first finishing bevel gear cuter 14, the first finishing bevel gear cuter 14 and the second finishing bevel gear cuter 15 form bevel-gear pair, pedestal bar 8 be erected on the second finishing bevel gear cuter 15 and with the second finishing bevel gear cuter 15 synchronous rotaries.
Fig. 3 is the self-locking device locking state schematic diagram of the middle-size and small-size loop wheel machine of embodiment of the present utility model.
As shown in Figure 3, self-locking device 5 comprise ratchet device 22 and with the supporting cam limit self mechanism 23 of ratchet device 22.
Small-sized crane, in the time of indoor use, regulates screw mandrel 13 to make to inhale 12 and withstands top ceiling to alleviate counterweight.
Drive motor 2 rotates, the bar handle 17 that operates the clutch makes power-transfer clutch 6 in right position, the torque of motor 2 passes to pivot arm 10 by main shaft-power-transfer clutch 6 right position-bevel-gear pair-pedestal bar 8, driven rotary arm 10 rotates, regulate left-right rotary feed screw nut to overlap 11 to change the angle between pivot arm 10 and pedestal bar 8, make pivot arm 10 rotate to the position that need to lift weight.
The bar handle 17 that operates the clutch makes power-transfer clutch 6 in left position, and the torque of motor 2 passes to winding drum 4 by the left position of main shaft-power-transfer clutch 6, drives winding drum 4 to rotate, and rolling steel rope promotes weight lifting.
In the time that weight is lifted into the height that needs lifting, coordinate ratchet device 22 to make winding drum 4 self-locking stalls by cam limit self mechanism 23, while making weight unsettled, do not fall, ensure the safety that power-transfer clutch 6 commutates simultaneously.
Fig. 4 is the self-locking device released state schematic diagram of the middle-size and small-size loop wheel machine of embodiment of the present utility model.
As shown in Figure 4, in decline process, by self-locking device 5 releases, power-transfer clutch 6 is switched to meta by the handle 17 that operates the clutch, and weight freely declines, too fast for preventing weight decline descending speed, and while pin is stepped on brake pedal 16 and controlled.
The effect of embodiment and effect
Provide according to the present embodiment for lifting the small-sized crane of weight, comprise: base, be arranged on framework portion and lifting portion on base, main shaft is extended to framework portion by lifting portion, body frame bar is set with pedestal bar by bearing, pedestal bar and finishing bevel gear cuter are connected, the castellated two-way engaged clutch that utilization is sleeved on main shaft is sleeved on main shaft as torque shifter, make power-transfer clutch respectively with the winding drum of left end, the first finishing bevel gear cuter of right-hand member combines and realizes commutation, when in the time that the first finishing bevel gear cuter is combined, drive motor transmits torque to vertical pedestal bar by bevel-gear pair, and then the rotation of driven rotary arm, utilize left-right rotary feed screw nut to overlap the angle regulating between pivot arm and pedestal bar and realize the adjustable of operating range, when in the time that the left end of winding drum is combined, make winding drum rotation withdrawing rope body, realize by the same engine installation control lifting lifting of weight and the rotation of pivot arm.
On winding drum, in conjunction with internal expanding shoe brake, improve the speed of idle running decline process, shorten the idle running time, raise the efficiency, save electric energy.
Can withstand the suction of indoor roof in the installation of the top of pedestal bar and take over a business, alleviate the counterweight of small-sized crane.
Coordinate ratchet device to realize reversing self-locking by cam limit self mechanism, while making weight unsettled, do not fall.Ensure the commutation safety of power-transfer clutch.
Certainly the related small-sized crane for lifting weight of the utility model is not merely defined in structure in the present embodiment.
Claims (9)
1. for lifting a small-sized crane for weight, it is characterized in that, comprising:
Framework portion, for the rope body of the tight described weight of support pin;
Lifting portion, is positioned at the side of described framework portion for the body of restricting described in folding and unfolding;
Main shaft, is extended to described framework portion by described lifting portion; And
Power-transfer clutch, is axially sleeved on described main shaft one end near described framework portion,
Wherein, described main shaft is provided with the first finishing bevel gear cuter in one end of the described framework portion of contact,
Described framework portion comprise the second finishing bevel gear cuter of being meshed with described the first finishing bevel gear cuter and be erected on described the second finishing bevel gear cuter and with the pedestal bar of described the second finishing bevel gear cuter synchronous rotary.
2. small-sized crane according to claim 1, is characterized in that, also comprises:
The suction that is arranged on described framework portion top is taken over a business and for supporting the base of described framework portion and described lifting portion,
Wherein, described framework portion comprises: the body frame bar, at least two that is contained in described pedestal bar periphery by bearing carrier ring is fixed on described base bracing frame, one end and the fixed installation of described pedestal bar for supporting described body frame bar for guiding the pivot arm of described rope body trend and two ends respectively and described pedestal bar and described pivot arm is hinged overlaps for the left-right rotary feed screw nut who regulates angle between described pivot arm and described pedestal bar.
3. small-sized crane according to claim 2, is characterized in that:
Wherein, described framework portion also comprise be arranged on described pedestal masthead end for regulate described suction take over a business height screw mandrel.
4. small-sized crane according to claim 2, is characterized in that:
Wherein, described lifting portion comprises: be axially sleeved on described main shaft near the drg of motor one end, be axially sleeved on the winding drum on described main shaft and between described power-transfer clutch and described drg and be arranged on described winding drum near described power-transfer clutch one end for preventing the self-locking device of described winding drum reversion.
5. small-sized crane according to claim 4, is characterized in that:
Wherein, be provided with the first pulley in the hinged place of described left-right rotary feed screw nut cover and described pedestal bar,
Be provided with the second pulley at described pivot arm away from one end of described pedestal bar,
Described rope body lifts described weight through described winding drum, described the first pulley and the second pulley successively.
6. small-sized crane according to claim 4, is characterized in that:
Wherein, described drg is internal expanding shoe brake, is provided with brake pedal.
7. small-sized crane according to claim 1, is characterized in that:
Wherein, described power-transfer clutch is castellated two-way engaged clutch, is provided with clutch control handle.
8. small-sized crane according to claim 4, is characterized in that:
Wherein, described drg is internal expanding shoe brake, is provided with brake pedal,
Described power-transfer clutch is castellated two-way engaged clutch, is provided with clutch control handle.
9. small-sized crane according to claim 4, is characterized in that:
Wherein, described self-locking device comprise ratchet device and with the supporting cam limit self mechanism of described ratchet device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717419.XU CN203639041U (en) | 2013-11-14 | 2013-11-14 | Small-sized crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717419.XU CN203639041U (en) | 2013-11-14 | 2013-11-14 | Small-sized crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203639041U true CN203639041U (en) | 2014-06-11 |
Family
ID=50870304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717419.XU Expired - Fee Related CN203639041U (en) | 2013-11-14 | 2013-11-14 | Small-sized crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203639041U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569877A (en) * | 2013-11-14 | 2014-02-12 | 上海理工大学 | Small crane |
| CN106438888A (en) * | 2016-12-08 | 2017-02-22 | 哈工大机器人集团上海有限公司 | Pulley steel wire rope T-shaped commutator |
| CN106481759A (en) * | 2016-12-01 | 2017-03-08 | 哈工大机器人集团上海有限公司 | A kind of changement |
-
2013
- 2013-11-14 CN CN201320717419.XU patent/CN203639041U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569877A (en) * | 2013-11-14 | 2014-02-12 | 上海理工大学 | Small crane |
| CN103569877B (en) * | 2013-11-14 | 2015-07-15 | 上海理工大学 | Small crane |
| CN106481759A (en) * | 2016-12-01 | 2017-03-08 | 哈工大机器人集团上海有限公司 | A kind of changement |
| CN106438888A (en) * | 2016-12-08 | 2017-02-22 | 哈工大机器人集团上海有限公司 | Pulley steel wire rope T-shaped commutator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103569877B (en) | Small crane | |
| CN203284096U (en) | Crane used for construction site | |
| CN203639041U (en) | Small-sized crane | |
| CN101941610A (en) | Center and friction winding device | |
| CN205500437U (en) | Shaftless console mode admission machine | |
| CN110562860A (en) | Portable little hoisting machine that municipal works were used | |
| CN110626961B (en) | Small hoisting machine for municipal engineering | |
| CN206447491U (en) | A kind of large-scale lifting machine of accurate mobile article | |
| CN208813057U (en) | A kind of construction material transport vehicle | |
| CN201288040Y (en) | Multifunctional swing machine | |
| CN201793269U (en) | Center and friction winding device | |
| CN206828026U (en) | A kind of handling facilities being used in warehouse | |
| CN203639029U (en) | Rotating speed adjustable mobile winding machine | |
| CN212050263U (en) | Rotatable hoist device for building engineering construction that facilitates use | |
| CN207844926U (en) | A kind of efficient crane hanging component device | |
| CN207891003U (en) | A kind of adjustable elevator in position | |
| CN205397973U (en) | Novel household small -size lifting machine of formula | |
| CN102730576A (en) | Energy saving fixed type crane | |
| CN201534958U (en) | Rotating mechanism for segment girder bridge erection machine | |
| CN209853580U (en) | Gantry crane trolley capable of realizing downward rotation and synchronous lifting by single motor | |
| CN202687813U (en) | Energy-saving fixed crane | |
| CN107617642A (en) | A kind of efficiently double rod roll forming machines | |
| CN208037909U (en) | A kind of material trolley lifting device for building | |
| CN206384764U (en) | A kind of two-fold rope roll hoist engine of traction for factory | |
| CN104444713A (en) | Mini rotating elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |