CN201052954Y - Small-sized aloft work manual lifter - Google Patents
Small-sized aloft work manual lifter Download PDFInfo
- Publication number
- CN201052954Y CN201052954Y CNU2007200038790U CN200720003879U CN201052954Y CN 201052954 Y CN201052954 Y CN 201052954Y CN U2007200038790 U CNU2007200038790 U CN U2007200038790U CN 200720003879 U CN200720003879 U CN 200720003879U CN 201052954 Y CN201052954 Y CN 201052954Y
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- rope
- rope sheave
- guide wheel
- aloft work
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Abstract
The utility model relates to a small aloft work manual lifter which belongs to the manual lifting tool technical field. The lifter comprises a chain wheel and a detent which are arranged on one side of the prolate axis from outside to inside in turn, wherein, a chain is winded on the chain wheel, and a framework mechanism is arranged on the other side of the prolate axis. The upper part of the framework mechanism is provided with a guide pulley and a feed groove, the lower part is provided with a rope pulley; the guide pulley is provided with more than two guide slots, the rope pulley is provided with more than two grooves, the axial lead of the guide pulley and the axial lead of the rope pulley form an included angle; the outlet of the feed groove is corresponding to the grooves of the rope pulley; the prolate axis is connected with the rope pulley through a gear pair. The small aloft work manual lifter adopted by the utility model smartly combines a manual chain block and a roller of a warping winch into a whole, thereby realizing manual instant lifting conveniently, simply, efficiently, reliably and safely in small aloft work.
Description
Technical field
The utility model relates to a kind of lifter, and especially a kind of lifter that is applied to all kinds of small-sized aloft work belongs to the hand-operated lifting technical field of tools.
Background technology
Understanding according to the applicant, when aloft work such as the exterior wall operation of skyscraper or suspended wall operation, is to adopt single-point tether seat device at present mostly.Promptly earlier put tether in the eminence system of setting, 1. tether is worn to walk around and unloaded clasp one circle and hang, to buckle be to hang single seat unloading again, during decline, the tether that hangs upwards carried pine cross and unload clasp, and the operation people descends along tether with seat and shackle; 2. or with tether end system hang the operation people, with the operation people setting that veers away, and it is fixing with the stake knot that surplus rope is drawn stake aloft by the partner, and during decline, the partner unclamps the stake knot, allows the operation people descend by drawing a rolling; 3. be hanging pulley again or aloft, tie up to and return after tether on the operation plate passes coaster, do a lifting knot after walking around operation plate, unclamp the lifting knot, the tail rope by gravity of tether is pulled out, and the operation people descends, and tightens up the lifting knot and just stops.These several modes all belong to the landing of rolling formula, and its shortcoming is: 1. can only fall and can not rise, be in free falling body state, big, the difficult grasp of dropping distance of tenesmus momentum, the easy swing of tether, poor stability by the rolling thing during rolling; 2. serious wear during with the rolling of shackle; 3. the process of a loosening knot need be arranged during rolling mostly, very inconvenient; 4. owing to the safety strap and the synchronous move operation difficulty of operation people of independent system, in single seat frequently moved, much operations were artificially schemed conveniently not use of seat belts, thereby had lost last road person protection.
In addition, also have the Large Electric lifting to hang the hurdle,, need power supply because weight is big, the dead work complexity, purposes is single, therefore is not suitable for general multipurpose small aloft work.
And the known chain Jack (chain block) of manually smashing, be that a kind of hoisting force is big, easy to use and be applicable to the hand crane tool of non-transformer place operation, but its shortcoming is that the lifting chain weight of preparation is big, sling height is limited, is not suitable for the aloft work environment.
The utility model content
The purpose of this utility model is: at the shortcoming that above prior art exists, proposes a kind ofly to have big hoisting force, really realize the small-sized aloft work hand-operated lifting device of the also suitable aloft work of lifting in conjunction with what single-point tether seat and chain block structure were made.
Further purpose of the present utility model is: further combined with the safety strap fender guard, and the personal safety when making above-mentioned small-sized aloft work hand-operated lifting device guarantee aloft work.
In order to reach above purpose, small-sized aloft work hand-operated lifting device of the present utility model comprises that ecto-entad is loaded on the sprocket wheel and the drg of major axis one side successively, is wound with chain on the sprocket wheel, and improvements are that described major axis opposite side is equipped with frame mechanism; Described frame mechanism top is established guide wheel and is advanced grooving, and its underpart is provided with rope sheave; Described guide wheel is shaped on plural guide groove, and described rope sheave is shaped on the grooving of respective amount, forms an angle between the axial line of described guide wheel and rope sheave; Described outlet of advancing grooving is corresponding with the grooving of rope sheave; Described major axis is connected with described rope sheave by gear pair.
Further improving of above-mentioned small-sized aloft work hand-operated lifting device be, described frame mechanism contains handgrip, and described handgrip is connected with the safety rope git.
During use, tether and safety rope have been lashed aloft respectively.Tether is penetrated from advancing grooving, walk around a grooving of rope sheave earlier after, after entering guide wheel and walking around a guide groove, after entering rope sheave again and walking around another grooving, enter guide wheel again and walk around another guide groove, so repeat tether interval on rope sheave and guide wheel is hung after rope sheave comes out more than twice at last.Connect in the lower end of frame mechanism and fix seat or suspension bracket, seat or suspension bracket can be sat or the height setting at station according to the people to the distance of frame mechanism, just in time be suitable for the handgrip that the people holds frame mechanism, people's seat or stand on seat or the suspension bracket; Drive sprocket rotation with pulling moving chain, sprocket wheel drives major axis and rotates, the rotation of major axis drives rope sheave and rotates after gear pair slows down, the rope sheave that rotates drives around thereon tether and is constantly advancing between grooving, guide wheel and the rope sheave heave in slidably, emits (similar strand pull on the machine cylinder rope strand put), thereby drives seat or suspension bracket lifting; When stopping bangle when pulling, around the multiple tracks tether between guide wheel and the rope sheave because of and the grooving of the guide groove of guide wheel and rope sheave between the static no longer slip of friction force, and then keep the height of seat or suspension bracket.Wearing in tether, tie up on the operation person after safety rope also passed the safety rope git, because the safety rope git just is placed on the handgrip that staff can conveniently hold, therefore can regulate the height of safety rope git lifting seat or suspension bracket the time, make the safety rope git can with the lifting servo-actuated of seat or suspension bracket, tether and safety rope are difficult to the defective that servo-actuated so that operation people throw off safety rope when avoiding existing aloft work, thus assurance operation people's personal safety.
Small-sized aloft work hand-operated lifting device of the present utility model is compared existing all kinds of lifters, owing to dexterously chain block, strand are pulled machine cylinder and safety rope git in conjunction with making compact integrative-structure, thereby realized easy when small-sized aloft work, effective, carry out manual instant liftable reliably, safely, for existing small-sized high-altitude lift work brings the brand new sharp weapon.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the general assembly structural representation that the small-sized aloft work hand-operated lifting device of embodiment one contains semi-sictional view.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the structural representation of the independent frame mechanism that decomposes among Fig. 1.
Fig. 5 is major axis and dress sprocket wheel, brake snub device, the rope sheave gear pair structural representation thereon that decomposes among Fig. 1.
Fig. 6 is the right elevation of Fig. 4.
Fig. 7 is major axis and the dress brake snub device structural representation thereon that decomposes among Fig. 5.
Fig. 8 is the structural representation of rope sheave among Fig. 1.
Fig. 9 is the right elevation of Fig. 8.
Figure 10 is the structural representation of rope sheave among the embodiment two.
Figure 11 is the right elevation of Figure 10.
The specific embodiment
Embodiment one
Small-sized aloft work hand-operated lifting device such as Fig. 1, Fig. 2 and shown in Figure 3 of present embodiment comprise that ecto-entad is loaded on the sprocket wheel 2 and the drg of major axis 1 (referring to a shown in Figure 4) side successively, are wound with chain 3 on the sprocket wheel 2, and the opposite side of major axis 1 is equipped with frame mechanism 4.Establish guide wheel 5 on the top of frame mechanism 4 and advance grooving 6, be provided with rope sheave 7 in its underpart, be fixedly connected with at least one suspension ring 16 in its lower edge; On guide wheel 5, be shaped on two guide groove 8-1 and 8-2; Be shaped on two grooving 9-1 and 9-2 on the excircle of rope sheave 7, rope sheave 7 centers have through hole and are set on the major axis 1; Form an angle theta (referring to shown in Figure 3) between the axial line of guide wheel 5 and rope sheave 7, angle theta is generally 10-20 °.The outlet of advancing grooving 6 is corresponding with the grooving 9-1 of rope sheave; On near near the frame mechanism 4 the rope sheave 7 upper and lower circumferential edges, retaining roller 24, lower stop piece 25 are housed respectively; Rope plate 29 and 29-1 have been housed respectively on frame mechanism 4 above grooving 9-1 and the 9-2.
As shown in Figure 4, the main body of frame mechanism 4 is involuted by left frame plate 14 and right frame plate 15.The top of left side frame plate 14 is fixedly connected with left guide wheel deckle board 17, center, guide wheel deckle board 17 1 side end face, a left side is fixed with guide wheel shaft 18, advancing grooving 6 connects firmly on left guide wheel deckle board 17, the outside, middle part of going up of left side frame plate 14 is fixedly connected with ratchet 19, suspension ring 16 connect firmly in the bottom of left frame plate 14, and the middle part of left frame plate 14 has the left axle sleeve hole.The top of right frame plate 15 is fixedly connected with right guide wheel deckle board 17-1, the center of right guide wheel deckle board 17-1 has the guide shaft hole, guide wheel shaft 18 is fixed on the guide shaft hole, and the middle part of right frame plate 15 is opened the right axle sleeve hole and is fixedly connected with the pinion stand frame in both sides, and the bottom of right frame plate 15 is fixedly connected with handgrip 20.Between the right axle sleeve hole at the left axle sleeve hole at left frame plate 14 middle parts and right frame plate 15 middle parts, axle sleeve 21 is housed; Be shaped on the tooth axis hole of laying central gear axis on the pinion stand frame; As shown in Figure 2, have pin-and-hole 22 on the handgrip 20, a side surface of safety rope git 23 is shaped on bearing pin, by bearing pin is injected in the pin-and-hole 22, thereby safety rope git 23 dresses is associated on the handgrip 20.
As Fig. 5, shown in Figure 6, major axis 1 is provided with shaft gear 10 at the end away from sprocket wheel 2, shaft gear 10 meshes with two plate gear 11-1 and 11-2 respectively, be installed with two minor axis 12-1,12-2 respectively on two plate gear 11-1 and the 11-2, respectively be provided with two transmission gear 13-1 and 13-2 on minor axis 12-1 and the 12-2, transmission gear 13-1 and 13-2 mesh with the inner gear 33 that is contained in rope sheave 7 through holes respectively.
Shown in each figure among Fig. 7, major axis 1 is a stepped shaft, and its end away from shaft gear 10 is shaped on screw thread (shown in Fig. 7 a), and sprocket wheel 2 and drg are set in an end that is shaped on screw thread on the major axis 1.Drg includes a left side and wipes sheet 26 (shown in Fig. 7 b), ratchet 27 (shown in Fig. 7 c), the right sheet 26-1 (shown in Fig. 7 b-1) of wiping and braking sleeve 28 (shown in Fig. 7 d), ratchet 27 and ratchet 19 engagements.
The structure of rope sheave 7 such as Fig. 8, shown in Figure 9 hold the rope sheet for three that circumferentially are fixed with perpendicular to the rope sheave outer circumference surface along rope sheave 7, are respectively that a left side is held and held rope sheet 31 in the rope sheet 30, first and rope sheet 32 is held on the right side.A left side is held and is held rope sheet 31 and the right side in the rope sheet 30, first and hold rope sheet 32 and form twice grooving 9-1 and 9-2, in the through hole at rope sheave 7 centers inner gear 33 is housed.Hold on a left side and to be shaped on the first side projection, 34, the first side projectioies 34 on the double side wall of holding rope sheet 31 in the one-sided wall and first of holding rope sheet 32 in rope sheet 30, the right side and to be in one's hands that punching press forms on the sidewall of rope sheet, on the outer circle wall of rope sheave 7, be shaped on circumferential protrusion 35.
When using the small-sized aloft work hand-operated lifting device of present embodiment, lashed tether and safety rope aloft respectively, the tether of present embodiment is mainly the chemical fiber rope class.Tether is penetrated from advancing grooving 6, walk around the grooving 9-1 of rope sheave 7 earlier after, enter guide wheel 5 and walk around guide groove 8-1, enter rope sheave 7 afterwards again and walk around grooving 9-2, enter guide wheel 5 afterwards again and walk around guide groove 8-2, tether hangs from guide groove 8-2 afterwards.When tether passes in grooving 9-1 and 9-2, held by a left side and to hold rope sheet 31 and right first side projection 34 of rope sheet 32 sidewalls and circumferential protrusion 35 clampings on rope sheave 7 outer circle walls held in the rope sheet 30, first, can increase the contact friction force of tether and rope sheave 7 exponentially, thereby keep tether and rope sheave 7 to rotate synchronously; Simultaneously tether is subjected to the spacing of retaining roller 24, lower stop piece 25 respectively at the upper/lower terminal of rope sheave 7 excircles, so tether can avoid breaking away from the grooving 9-1 and the 9-2 of rope sheave 7 when mobile on rope sheave 7; Passed through rope plate 29 and 29-1 in addition, can make tether respectively from grooving 9-1 with 9-2 enters guide groove 8-1 and 8-2 is more smooth and easy.
Connect on the suspension ring 16 of frame mechanism 4 lower edges and fix seat or suspension bracket, the height setting that seat or suspension bracket can be sat or stand to the distance of frame mechanism according to the people just in time be suitable for the handgrip 20 that the people holds frame mechanism 4; The people sits or stands on seat or the suspension bracket and also one holds handgrip 20, pull moving chain 3 with another and drive sprocket wheel 2 rotations, sprocket wheel 2 drives major axis 1 and rotates, the shaft gear 10 of major axis 1 one ends drives two plate gear 11-1 and 11-2 rotates, plate gear 11-1 and 11-2 drive minor axis 12-1,12-2 again and rotate, transmission gear 13-1 on minor axis 12-1, the 12-2 and 13-2 drive inner gear 33 and rotate, inner gear 33 drives rope sheave 7 and rotates, through the double reduction of above-mentioned shaft gear, plate gear and transmission gear, the power that pulls moving chain can obtain to increase exponentially.
With setting about constantly spurring chain, the rope sheave of rotation drives around thereon tether and is constantly advancing heave between grooving, guide wheel and the rope sheave, emits (similar strand pull on the machine cylinder rope strand put), thereby drives seat or suspension bracket lifting.On the one hand, when stopping bangle when pulling, around the multiple tracks tether between guide wheel and the rope sheave because of and the grooving of the guide groove of guide wheel and rope sheave between the static no longer slip of friction force, and then keep the height of seat or suspension bracket.When in rising, stopping the bangle pulling in addition, be contained on the major axis 1 and ratchet 19 that the ratchet 27 of unidirectional rotation is installed in left frame plate 14 stops, stop the rotation of major axis 1 and rope sheave 7, thereby keep the height of seat or suspension bracket.
Wearing in tether, tie up on the operation person after safety rope also passed safety rope git 23, because safety rope git 23 just is placed on the handgrip 20 that staff can conveniently hold, therefore can regulate the height of safety rope git 23 lifting seat or suspension bracket the time, make safety rope git 23 can with the lifting servo-actuated of seat or suspension bracket, tether and safety rope are difficult to the defective that servo-actuated so that operation people throw off safety rope when avoiding existing aloft work, thus assurance operation people's personal safety.
Embodiment two
The small-sized aloft work hand-operated lifting device of present embodiment as shown in Figure 10 and Figure 11, basic identical with embodiment one, different is: 1, the used tether of small-sized aloft work hand-operated lifting device of present embodiment is mainly steel rope; 2, increase on the rope sheave 7 together in second and hold rope sheet 36, correspondingly hold the rope sheet by four and form three road groovings; 3, increase by one guide groove on the guide wheel 5; 4, hold that to be shaped on the second side projection, 37, the second sides projection 37 on the rope sheet sidewall be arc spring leaf.Because friction force required during the clamped wire rope is big, therefore change rope sheave 7 the second side projection 37 of arc spring leaf into by holding the first side projection 34 that the punching press of rope sheet forms.Because of can guaranteeing the second side projection 37, the elastic force of reed can effectively hold tether, on rope sheave 7 and the guide wheel 5 three road grooving and guide grooves are arranged simultaneously, produce enough friction force in the time of can effectively keeping tether on rope sheave, to coil like this, thereby guarantee normally carrying out of high-altitude lift work with safety.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (8)
1. a small-sized aloft work hand-operated lifting device comprises that ecto-entad is loaded on the sprocket wheel and the drg of major axis one side successively, is wound with chain on the sprocket wheel, and it is characterized in that: described major axis opposite side is equipped with frame mechanism; Described frame mechanism top is established guide wheel and is advanced grooving, and its underpart is provided with rope sheave; Described guide wheel is shaped on plural guide groove, and described rope sheave is shaped on the grooving of respective amount, forms an angle between the axial line of described guide wheel and rope sheave; Described outlet of advancing grooving is corresponding with the grooving of rope sheave; Described major axis is connected with described rope sheave by gear pair.
2. according to the described small-sized aloft work hand-operated lifting device of claim 1, it is characterized in that: described frame mechanism contains handgrip, and described handgrip is connected with the safety rope git.
3. according to the described small-sized aloft work hand-operated lifting device of claim 2, it is characterized in that: described rope sheave center has through hole and is set on the major axis; Form an angle between the axial line of described guide wheel and rope sheave; Described near retaining roller, lower stop piece are housed respectively near the frame mechanism the upper and lower circumferential edges of rope sheave; On the frame mechanism of described grooving top the rope plate has been housed.
4. according to the described small-sized aloft work hand-operated lifting device of claim 3, it is characterized in that: described major axis is a stepped shaft, and its end away from shaft gear is shaped on screw thread; Described sprocket wheel and drg are set in an end that is shaped on screw thread on the major axis; Described drg includes a left side and wipes sheet, ratchet, right sheet and the braking sleeve of wiping; The main body of described frame mechanism is involuted by left frame plate and right frame plate, and the top of described left frame plate is fixedly connected with left guide wheel deckle board, and center, described left guide wheel deckle board one side end face is fixed with guide wheel shaft, describedly advances grooving and connects firmly on left guide wheel deckle board; The outside, middle part of going up of described left frame plate is fixedly connected with ratchet, and its underpart is fixedly connected with suspension ring, and its middle part has the left axle sleeve hole; The top of described right frame plate is fixedly connected with right guide wheel deckle board, and the center of described right guide wheel deckle board has the guide shaft hole, and described guide wheel shaft is fixed on the guide shaft hole, and the middle part of described right frame plate is opened the right axle sleeve hole and is fixedly connected with the pinion stand frame in both sides, and its underpart is fixedly connected with handgrip; Between described left axle sleeve hole and the right axle sleeve hole axle sleeve is housed; Be shaped on the tooth axis hole of laying central gear axis on the described pinion stand frame; Have pin-and-hole on the described handgrip, a side surface of described safety rope git is shaped on bearing pin, and is associated on the handgrip with the dress that cooperates of pin-and-hole by bearing pin.
5. according to the described small-sized aloft work hand-operated lifting device of claim 4, it is characterized in that: described rope sheave circumferentially is fixed with three and holds the rope sheet and form the twice grooving, described holding on the rope sheet sidewall is shaped on the first side projection, the described first side projection is shaped on circumferential protrusion by holding rope sheet sidewall through being stamped to form on the outer circle wall of described rope sheave.
6. according to the described small-sized aloft work hand-operated lifting device of claim 4, it is characterized in that: four of circumferentially being fixed with perpendicular to the rope sheave outer circumference surface hold the rope sheet and form three road groovings described rope sheave, described holding on the rope sheet sidewall is shaped on the second side projection, described second side projection is an arc spring leaf, is shaped on circumferential protrusion on the outer circle wall of described rope sheave.
7. according to claim 5 or 6 described small-sized aloft work hand-operated lifting devices, it is characterized in that: the center of described rope sheave has through hole, in the described through hole inner gear is housed; Described major axis is provided with shaft gear at the end away from sprocket wheel, and described shaft gear meshes with two plate gears respectively, and described plate gear is installed with two minor axises respectively, respectively is provided with two transmission gears on the described minor axis, and described transmission gear meshes with inner gear respectively.
8. according to the described small-sized aloft work hand-operated lifting device of claim 7, it is characterized in that: described angle is 10-20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200038790U CN201052954Y (en) | 2006-03-27 | 2007-02-06 | Small-sized aloft work manual lifter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620070641.5 | 2006-03-27 | ||
| CN200620070641 | 2006-03-27 | ||
| CNU2007200038790U CN201052954Y (en) | 2006-03-27 | 2007-02-06 | Small-sized aloft work manual lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201052954Y true CN201052954Y (en) | 2008-04-30 |
Family
ID=39392620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200038790U Expired - Fee Related CN201052954Y (en) | 2006-03-27 | 2007-02-06 | Small-sized aloft work manual lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201052954Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358590A (en) * | 2011-10-25 | 2012-02-22 | 何少敦 | Suspended descending system |
| CN102358591A (en) * | 2011-10-28 | 2012-02-22 | 何少敦 | Suspension descending system |
| WO2013104139A1 (en) * | 2012-01-13 | 2013-07-18 | He Shaodun | Rope anti-reverse device for suspension descending system |
| CN104466793B (en) * | 2014-12-03 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable aloft lifting device |
-
2007
- 2007-02-06 CN CNU2007200038790U patent/CN201052954Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358590A (en) * | 2011-10-25 | 2012-02-22 | 何少敦 | Suspended descending system |
| CN102358591A (en) * | 2011-10-28 | 2012-02-22 | 何少敦 | Suspension descending system |
| WO2013104139A1 (en) * | 2012-01-13 | 2013-07-18 | He Shaodun | Rope anti-reverse device for suspension descending system |
| CN104466793B (en) * | 2014-12-03 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司梧州局 | Portable aloft lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20080430 Termination date: 20100206 |