CN112875541A - Foldable carbon-free hand-operated labor-saving lifting machine - Google Patents
Foldable carbon-free hand-operated labor-saving lifting machine Download PDFInfo
- Publication number
- CN112875541A CN112875541A CN202110247709.1A CN202110247709A CN112875541A CN 112875541 A CN112875541 A CN 112875541A CN 202110247709 A CN202110247709 A CN 202110247709A CN 112875541 A CN112875541 A CN 112875541A
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- CN
- China
- Prior art keywords
- rod
- supporting rod
- lifting machine
- free hand
- operated labor
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the field of lifting and transporting equipment, in particular to a foldable carbon-free hand-operated labor-saving lifting machine. The lifting machine consists of the following parts: base, support, davit, handling mechanism. The base comprises a chassis, traveling wheels, a fixed rod, a telescopic rod and a pin; the bracket comprises an upper supporting rod, a lower supporting rod and a pin; the suspension arm is provided with a fixed pulley, the lifting mechanism comprises a winch and a pulley block, the winch comprises a crank, a worm gear and worm gear set, the pulley block comprises a movable pulley, a twisted rope matched with the movable pulley and a hook. The fixed rod is of a hollow structure, and the telescopic rod can retract into the fixed rod; the upper supporting rod and the lower supporting rod can realize up-and-down telescopic motion; the worm gear set has a good torque amplification effect, and the invention has the advantages of simple principle, ingenious structure and certain economic benefit.
Description
Technical Field
The invention relates to the technical field of household carbon-free allocation and transportation machines, in particular to a foldable carbon-free hand-operated labor-saving lifting machine, and aims to provide a carbon-free hand-operated labor-saving lifting machine which is manually driven and has the effects of reducing the force for lifting heavy objects, improving the efficiency for lifting heavy objects and the like.
Background
The existing carbon-free hand-operated lifting machine is one of the key devices necessary for freight collecting and distributing places such as mines, docks, ports and the like, [1] yellow deep red, development and application of indoor machine and fire-fighting pipeline installation lifting machine [ J ]. construction, 2019,41(08): 1526-. Therefore, a small civil crane with large hoisting mass, simple structure, convenient use and labor saving is urgently needed.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the carbon-free hand-operated labor-saving lifting machine which is driven manually and has the effects of reducing the force for lifting a heavy object, improving the efficiency for lifting the heavy object and the like is provided, and the lifting machine can lift objects with the same quality by using less force on the basis of not increasing the weight of the lifting machine.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a manually-driven carbon-free hand-operated labor-saving lifting machine which comprises a base, a support, a lifting arm and a lifting mechanism. The base comprises a front travelling wheel, a rear travelling wheel, a fixed rod, telescopic rods and a chassis, the front travelling wheel is connected to the two telescopic rods, the two telescopic rods are connected to the fixed rod through pin holes of the two telescopic rods, the fixed rod is welded on the chassis, and the rear travelling wheel is connected to the chassis; the support comprises an upper support rod and a lower support rod, the top end of the upper support rod is connected with the suspension arm, the side surface of the upper support rod is connected with the winch, the upper support rod is connected with the lower support rod through three pin holes at the bottom end of the upper support rod and can realize up-and-down telescopic movement with the lower support rod, a pair of folding handles are arranged below the pin holes, a circular disc is arranged at the bottom of the lower support rod and can be connected with the base through the pin holes in the disc to realize left; one side of the suspension arm is connected with the bracket and suspends the pulley block through a twisted rope; the hoisting mechanism comprises a winch and a pulley block, the winch comprises two opposite crank handles and a worm gear set, and the pulley block comprises a movable pulley, a twisted rope matched with the movable pulley and a hook. The crank is connected with the worm through a flat key, the worm transmits power to the worm wheel, and the output shaft of the worm wheel is connected with the twisted rope.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a manually-driven carbon-free hand-operated labor-saving lifting machine which is provided with a pair of folding handles, so that the direction can be conveniently controlled; the bracket adopts a telescopic structure, can manually adjust the height according to actual requirements, and can be applied to more occasions; the base supporting arm also adopts a telescopic structure, the gravity center can be adjusted by changing the length change in each direction, and the base supporting arm can be folded when not used to reduce the floor area; the worm and gear type winch is adopted, so that the crane can hoist cargoes with larger weight, and has a self-locking function; a single rocker is changed into two opposite rockers, and when the electric rocking chair is used, two persons can drive the electric rocking chair together to increase power; the hoisting end is provided with a pulley block mechanism, and goods are hoisted through a pulley block so as to achieve the effect of reducing the required lifting force.
Drawings
FIG. 1 is an isometric test chart of a foldable carbon-free hand labor-saving lifting machine structure.
FIG. 2 is a front view of the worm gear of the device of the present invention.
Wherein, 1 is the chassis, 2 is the dead lever, 3 is the walking wheel, 4 telescopic links, 5 is the locating pin, 6 is support chassis locating hole, 7 is the lower branch vaulting pole, 8 is folding handle, 9 is last bracing piece, 10 is the anticreep baffle, 11 is for linking up with, 12 is the pulley housing, 13 is the fixed axle, 14 is the pulley, 15 is the davit, 16 is the support locating hole, 17 is the capstan winch, 18, for the crank, 19 is the support locating pin, 20 is support chassis locating pin, 21 support chassis.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
The carbon-free hand-operated labor-saving lifting machine driven by manual hand-operated mode comprises a base, a support, a lifting arm and a lifting mechanism, wherein the base comprises a walking wheel 3, a telescopic rod 4, a support chassis positioning hole 6 and a support chassis 21, the walking wheel 3 is connected with the telescopic rod 4, and the telescopic rod 4 is connected with a support chassis fixing rod 2 through a positioning pin 5 through respective positioning holes. The support includes bracing piece 9, lower support bar 7, 7 tops of lower support bar link to each other with davit 15, the capstan winch 17 is being connected to the side, three locating hole 16 and the lower support bar 7 of going up bracing piece 9 bottom are connected, lower support bar 7 is hollow structure, go up support frame 9 and can be concertina movement in lower support frame 7, support locating hole 21 below is a pair of folding handle 8, there is disc 21 bottom the lower support bar, disc 21 can be connected through support chassis locating hole 6 with base 1, realize the horizontal rotation or fixed, 15 one side of davit suspends pulley 14 in midair through the hank rope with the leg joint, the capstan winch includes two reverse crank 18, worm wheel 22 worm 23 gear train.
Claims (10)
1. The utility model provides a hand laborsaving handling of folded cascade carbonless machine which characterized in that: comprises a base, a bracket, a suspension arm and a hoisting mechanism.
2. The base comprises walking wheels (3), a fixed rod (2), a telescopic rod (4), a chassis (1) and pins (5), the walking wheels (3) are connected to the telescopic rod (4), the telescopic rod (4) is connected to the fixed rod (2) through the pins (5) through respective pin holes, and the fixed rod (2) is welded on the chassis (1); the support comprises an upper supporting rod (9), a lower supporting rod (7) and a pin (19), the top end of the upper supporting rod (9) is connected with a suspension arm (15), the side surface of the upper supporting rod is connected with a winch (17), the upper supporting rod is connected with the lower supporting rod (7) through three pin holes (16) at the bottom end, the upper supporting rod and the lower supporting rod can realize up-and-down telescopic motion, a pair of folding handles (8) are arranged below the pin holes (16), a disc (21) is arranged at the bottom of the lower supporting rod and can be connected with a base through a pin hole (6) in the disc, and left-and-right; one side of the suspension arm (15) is connected with the bracket and suspends the pulley block (14) through a twisted rope; the lifting mechanism comprises a winch (17), the winch comprises two opposite crank handles (18) and a worm wheel (22) and a worm (23), and the pulley block comprises a twisted rope and a hook (11) matched with the movable pulley.
3. The crank (18) is connected with the worm (23) through a flat key, the worm (23) transmits power to the worm wheel (22), and the worm wheel (22) is connected with the twisted rope through an output shaft.
4. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the bracket is provided with a pair of folding handles (8).
5. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the lower support frame (7) is of a hollow structure, and the upper support frame (9) can do telescopic motion in the lower support frame (7).
6. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the base supporting arm component fixing rod (2) is of a hollow structure, and the telescopic rod (4) can stretch out and draw back in the fixing rod (2).
7. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the transmission mechanism is driven by a worm wheel (22) and a worm (23).
8. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: two opposite crank handles (18) are arranged on the bracket.
9. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the base is provided with a fixing hole (6).
10. The foldable carbon-free hand-operated labor-saving lifting machine as claimed in claim 1, which is characterized in that: the hoisting end is provided with a pulley block mechanism (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247709.1A CN112875541A (en) | 2021-03-06 | 2021-03-06 | Foldable carbon-free hand-operated labor-saving lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247709.1A CN112875541A (en) | 2021-03-06 | 2021-03-06 | Foldable carbon-free hand-operated labor-saving lifting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112875541A true CN112875541A (en) | 2021-06-01 |
Family
ID=76055583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110247709.1A Pending CN112875541A (en) | 2021-03-06 | 2021-03-06 | Foldable carbon-free hand-operated labor-saving lifting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112875541A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500105A (en) * | 2021-08-06 | 2021-10-15 | 东台嘉琳铧不锈钢有限公司 | Cooling device for hot-rolled steel plate |
-
2021
- 2021-03-06 CN CN202110247709.1A patent/CN112875541A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500105A (en) * | 2021-08-06 | 2021-10-15 | 东台嘉琳铧不锈钢有限公司 | Cooling device for hot-rolled steel plate |
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