CN201240806Y

CN201240806Y - Manual hoister

Info

Publication number: CN201240806Y
Application number: CNU2008200883349U
Authority: CN
Inventors: 林超
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-03
Filing date: 2008-06-03
Publication date: 2009-05-20
Anticipated expiration: 2018-06-03

Abstract

The utility model relates to a hand powered lifter which is mainly used for lifting the heavy objects to a high position and is suitable for lifting building materials on building sites or lifting yachts on shore holiday resorts to carrying carts. The lifter comprises a bottom frame, an outer supporting pole which is arranged on the bottom frame, a hand shaking capstan arranged on the outer wall at the bottom part of the outer supporting pole, a middle extension pole and an inner extension pole which are limited and do up and down movement in the outer supporting pole, and a cross beam which is arranged at the top part of the inner extension pole. The hand powered lifter is improved by improving winding method between wire cables of an extension capstan and extension poles; compared with the existing extension poles, the inner extension pole in the inner most part of the existing extension pole is completely extended out, the middle extension pole can be extended out, but in the utility model, the middle and inner extension poles are be synchronously extended for being lifting; therefore, the force bearing points of the heavy object can be uniformly distributed on the middle and inner extension poles and the bearing burden of the heavy objects on the inner extension pole is reduced, thereby increasing the lifting weight of the lifters, reducing the resistance of the capstan when shaking by hands and saving labor when shaking by hands.

Description

Hand powered lift

Technical field

The utility model relates to a kind of weight-lifting equipment, carries out the hand powered lift that weight promotes in particular for the level land.

Background technology

Run into the occasion that much weight need be promoted to eminence in the life, for example the building materials on the building ground promotes, perhaps holiday resort by the sea, sometimes need yacht is promoted on the carrier loader and carry away, if only depend on manpower to be difficult to finish, often need promote by gig this moment, and existing gig hangs the crossbeam of doing dipping and heaving and limited middle expansion link and interior expansion link, interior expansion link top in capstan winch and flexible capstan winch, the outer strut bar etc. by the shaking goods on the outer strut bar on underframe, the underframe, the outer strut bar bottom outer wall mostly and constitutes.When promoting weight, shaking goods hangs capstan winch and makes wire rope roll on this capstan winch, the steel rope end that walk around crossbeam two ends assembly pulley this moment can be promoted to eminence with weight by suspension hook, and weight is need be promoted to more eminence sometimes the time, by shaking flexible capstan winch expansion link is stretched out successively, to increase the whole height of gig, thereby satisfy eminence and promote demand, though these gigs promote to weight and bring very big convenience, and field of application is also comparatively extensive, yet in actual use, the stretching out the winding mode restriction that structure is subjected to steel rope and expansion link and have big defective of its expansion link, in the course of the work when the capstan winch tense wire rope, all be after stretching out fully by expansion link in inner most, middle expansion link could then stretch out, this structure makes weight in lifting process, in case interior expansion link fails to stretch out fully, the weight stress point all can only concentrate on the interior expansion link, not only add imperial palace expansion link load-bearing burden, influence the lifting of lifting weight, and can increase the hand resistance of flexible capstan winch, very painstaking when it is shaken.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the defective of prior art and provides that a kind of weight load-bearing burden is little, lifting weight is big, the hand resistance of capstan winch is few, shake labour-saving hand powered lift more.

Technical matters of the present utility model is achieved through the following technical solutions:

A kind of hand powered lift, it comprises underframe and the detachable outer strut bar that is connected the hollow on the underframe, be provided with liftable and limited middle expansion link and interior expansion link in the outer strut bar, described outer strut bar top is fixed with outer mount pad and outer adapter plate, be respectively equipped with fixed pulley and middle fixed pulley in the described outer mount pad, last fixed pulley is by the upper connector supporting that is connected outer mount pad side, middle fixed pulley is by being connected connector supporting in the outer mount pad fwd, be connected with down attaching parts on the described outer adapter plate, this time attaching parts upper support has following fixed pulley; Expansion link top is provided with middle mount pad in described, should be provided with preceding fixed pulley and the back fixed pulley that is positioned on the same axial line in the middle mount pad, this forward and backward fixed pulley is by the forward and backward connector supporting of mount pad fwd in being connected, in the expansion link bottom outer wall be provided with in locking seat, in the locking seat movable pulley is installed in this; Expansion link top fixed cross beam in described, interior expansion link bottom outer wall is provided with the internal lock reservation, the strut bar bottom outer wall also is equipped with the shaking capstan winch outside simultaneously, described capstan winch comprises that goods hangs capstan winch and flexible capstan winch, this goods hangs on capstan winch and the flexible capstan winch and is equipped with self-locking device, described goods hangs capstan winch and connects steel rope, this steel rope two fixed pulleys set through the crossbeam two ends connect goods flap seat and suspension hook, described flexible capstan winch connects steel rope, it is characterized in that described in expansion link and interior expansion link mutually externally strut bar do the synchronization lifting motion; Described be connected on the flexible capstan winch steel rope through in fixed pulley, movable pulley, after fixed pulley is walked around down, during end snaps onto in the locking; Be provided with steel rope in the expansion link in described, in the head end of this steel rope snaps onto in the internal lock reservation of expansion link bottom, and through preceding fixed pulley, go up fixed pulley, after after fixed pulley walks around, end snaps onto in the internal lock reservation.

Described underframe comprises base and is separately fixed at four legs on the base, and the base center is provided with the circular mounting hole, is connected with stirrup between base and the leg, and the leg end is provided with castor.

It is that the outer wall of strut bar bottom outside is provided with triangle fixture block and oblong fixture block that described outer strut bar is connected with the removable jew of base, is provided with draw-in groove in the circular mounting hole of base, and fixture block buckles in the draw-in groove.

Externally the lifting of strut bar is spacing mutually is to be provided with adjustable cover in middle expansion link bottom for expansion link and interior expansion link in described, and interior expansion link bottom is provided with adjustable cover.

Be respectively equipped with the rolling sleeve pipe between described outer strut bar and middle expansion link, middle expansion link and the interior expansion link.

Described shaking capstan winch is provided with the removable jew bonded assembly and shakes the hand, and the outer strut bar outer wall in the bottom of shaking the hand is provided with shelf of placing for shaking the hand and the spring and the short pin of locking of shaking the hand in the locking of shelf middle part setting.

The vertical tube of expansion link in described crossbeam middle part is welded with and stretches into, this vertical tube and interior expansion link are fixed.

Compared with prior art, the utility model is that the steel rope of flexible capstan winch and the winding mode between the expansion link are improved, expansion link after the improvement is different from existing expansion link can only be earlier after expansion link stretch out fully in inner most, the structure of expansion link in could then stretching out, the lifting but middle expansion link and interior expansion link all can stretch synchronously, such structure can be evenly distributed on middle expansion link and the interior expansion link stress point of weight, the weight load-bearing of expansion link burden in not only reducing, increase the lifting weight of whole gig, and reduce the resistance of flexible capstan winch when hand, making shakes the hand shake more laborsaving.

Description of drawings

Fig. 1 is the utility model perspective view.

Fig. 2 is that decomposing schematic representation is amplified at the A place of Fig. 1.

Fig. 3 is the structural representation of outer strut bar.

Fig. 4 is that decomposing schematic representation is amplified at the B place of Fig. 3.

Fig. 5 is that decomposing schematic representation is amplified at the C place of Fig. 3.

Fig. 6 is the structural representation of middle expansion link.

Fig. 7 is that decomposing schematic representation is amplified at the D place of Fig. 6.

Fig. 8 is the decomposing schematic representation of interior expansion link and crossbeam.

Fig. 9 is the decomposing schematic representation of crossbeam.

Figure 10 is the coiling scheme drawing of steel rope.

The specific embodiment

To elaborate again to the utility model embodiment by above-mentioned accompanying drawing below.As Fig. 1～shown in Figure 10,1-underframe, 11-base, 12-leg, 13-castor, 14-stirrup, 15-circular mounting hole, 2-capstan winch, 21-goods hangs capstan winch, 22-flexible capstan winch, 211-steel rope, 221-steel rope, 23-self-locking device, 24-shake the hand, 25-joint pin, 26-shelf, 27-circular hole, the short pin of 28-locking, 29-spring, 3-outer strut bar, 31-outer mount pad, 311-upward fixed pulleys, 312-middle fixed pulley, 313-upper connector, 314-middle attaching parts, 32-outer adapter plate, 321-following attaching parts, 322-following fixed pulley, 33-triangle fixture block, 34-oblong fixture block, 35-connecting strap, 4-middle expansion link, 41-middle mount pad, 411-preceding fixed pulley, 412-back fixed pulley, 413-preceding, rear connectors, 42-middle locking seat, 421-movable pulley, 422-lock ear, 423-adjustable cover, 43-steel rope, 5-interior expansion link, the reservation of 51-internal lock, 511-lock ear, 512-adjustable cover, 52-screw, 6-crossbeam, 61-crossbeam attaching parts, 62-fixed pulley, 63-vertical tube, 64-goods flap seat, 65-suspension hook, 7-thru-bolt, 8-disrance sleeve, 9-rolling sleeve pipe.

A kind of hand powered lift, it comprises underframe 1, this underframe comprises that the center has the base 11 in circular mounting hole 15 and is welded on base four legs 12 all around respectively, be connected with stirrup 14 between leg and the base, be connected with castor 13 at the terminal screw of leg, castor adopts universal structure, can move freely on smooth ground.

Underframe is provided with the outer strut bar of square structure, middle expansion link, interior expansion link, middle expansion link 4 is sleeved in the outer strut bar 3 of hollow, interior expansion link 5 is sleeved in the middle expansion link 4, middle expansion link is done synchronization lifting motion and spacing with the external mutually strut bar 3 of interior expansion link, described outer strut bar 3 is as Fig. 3～shown in Figure 5, its top is welded with outer mount pad 31, external wall of upper portion is welded with outer adapter plate 32, be respectively equipped with fixed pulley 311 and middle fixed pulley 312 in the outer mount pad, last fixed pulley both sides are respectively equipped with two and are positioned at disrance sleeve 8 on the same axial line with last fixed pulley, the upper connector 313 that is located at outer mount pad 31 left surfaces passes disrance sleeve successively, behind last fixed pulley 311 and the disrance sleeve, with nut, thru-bolt 7 and connecting strap 35 are fixing.In fixed pulley 312 rear sides be provided with middle fixed pulley and be positioned at disrance sleeve 8 on the same axial line, be located in outer mount pad 31 fwds attaching parts 314 pass successively in fixed pulley 312 and disrance sleeve 8 backs with screw retention, the following attaching parts 321 that is located on the outer adapter plate 32 passes down fixed pulley 322 with screw retention, and be respectively equipped with triangle fixture block 33 and oblong fixture block 34 by upper-lower position on the outer strut bar bottom outer wall, be provided with associated draw-in groove in the circular mounting hole 15 of base 11, after the circular mounting hole is stretched in strut bar 3 bottoms outside, fixture block buckles in the draw-in groove, can reach the chucking purpose of connecting, also make things convenient for and unload at any time.

On outer strut bar 3 bottom outer wall shaking capstan winch 2 is installed also, as shown in Figure 2, this shaking capstan winch is the outsourcing product, comprise that goods hangs capstan winch 21 and flexible capstan winch 22, capstan winch is provided with self-locking device 23 and rewinds phenomenon to prevent the steel rope in the capstan winch, the 24 employing removable jew structures of shaking the hand of capstan winch, end and middle part are equipped with joint pin 25 shaking the hand, and on outer strut bar 3 outer walls of the bottom of shaking the hand, be provided with for shaking the hand 24 shelves of laying 26, four jiaos of this shelf are respectively equipped with the circular hole 27 identical with the joint pin external diameter, the middle part is provided with two by spring 29 pushing tows and respectively to the short pin 28 of the locking of both sides ejection, shake the hand 24 when being fit into the circular hole 27 of shelf when what unload, can be locked by the short pin 28 of locking by two joint pins 25 on it.

Expansion link 4 is as Fig. 6 in described, shown in Figure 7, its welded top has middle mount pad 41, should be provided with preceding fixed pulley 411 and the back fixed pulley 412 that lays respectively on the same axial line in the middle mount pad, before, isolate with disrance sleeve 8 between the back fixed pulley, before being located at mount pad 41 fwds, rear connectors 413 passes preceding fixed pulley 411 successively, disrance sleeve 8, back fixed pulley 412 backs are with screw retention, after two thru-bolts 7 that are located at the mount pad left surface respectively pass rolling sleeve pipe 9, fixing with nut and connecting strap 35, and middle expansion link 4 bottom outer wall lock seat 42 and are installed in the movable pulley 421 in the locking seat in this in being provided with, two semicircle lock ears 422 are arranged at the top of middle locking seat, middle expansion link 4 bottoms are provided with adjustable cover 423, gap length in can adjusting between expansion link 4 outer walls and outer strut bar 3 inwalls, and play position-limiting action, prevent that the middle expansion link 4 that stretches out fully breaks away from outer strut bar 3.

Expansion link 5 is as Fig. 8 in described, shown in Figure 9, its top is connected with crossbeam 6, the vertical tube 63 that this crossbeam is vertical with the crossbeam middle part welds integrally formed " T " font mutually, it is fixing in the expansion link 5 in vertical tube stretches into screw 52, the transverse tube internal run-through, two ends are installed a fixed pulley 62 respectively to constitute assembly pulley, the fixed pulley of each end all passes the back with screw retention by crossbeam attaching parts 61, on interior expansion link 5 bottom outer wall, be provided with internal lock reservation 51, the top of this internal lock reservation also is provided with two semicircle lock ears 511, gap length effect in the adjustable cover 512 that interior expansion link 5 bottoms are provided with plays and adjusts between expansion link 5 outer walls and middle expansion link 4 inwalls, also have position-limiting action simultaneously, prevent that the interior expansion link 5 that stretches out fully therefrom breaks away from the expansion link 4.

The rolling sleeve pipe 9 that is provided with on the thru-bolt 7 of strut bar 3 is arranged in expansion link 4 both sides outside; The rolling sleeve pipe 9 that is provided with on the thru-bolt 7 of middle expansion link 4 is positioned at expansion link 5 both sides, and the friction force when expansion link externally stretches out between the middle relatively expansion link of strut bar, interior expansion link mutually in can reducing by the rolling sleeve pipe is more laborsaving when rod member is stretched out.

Described goods hangs steel rope 211 on the capstan winch 21 and walks around two set fixed pulleys of crossbeam 6 two ends 62 successively and connect goods flap seats 64 and be movably connected in suspension hook 65 on this goods flap seat.Steel rope 221 on the described flexible capstan winch 22 is walked around the middle fixed pulley 312 on outer strut bar 3 tops earlier, movable pulley 421 in walking around again in the middle locking seat 42 of expansion link 4 bottoms, walk around the following fixed pulley 322 on outer strut bar 3 tops then, lock on the lock ear 422 of seat 42 during last end snaps onto; Also be provided with steel rope 43 in the expansion link 4 in described, in snapping onto, locks on the ear 511 for one of the internal lock reservation 51 of expansion link bottom the head end of this steel rope, the preceding fixed pulley 411 at expansion link 4 tops in walking around again, after walking around the last fixed pulley 311 at outer strut bar 3 tops then, the back fixed pulley 412 at expansion link 4 tops in the wraparound, the end of last steel rope 43 snap onto on another lock ear 511 of internal lock reservation 51.

Weight lifting of the present utility model is hung capstan winch 21 by manipulation goods and is carried out, after goods hangs capstan winch steel rope 211 is slowly reeled, can drive suspension hook 65 risings through steel rope and promote weight, after weight rose to certain altitude, goods hung the self-locking device 23 that carries on the capstan winch 21 and can lock; Only need open self-locking device when discharging weight and discharge goods successively and hang ground steel rope 211 in the capstan winch, this moment, weight descended under the self gravitation effect.When weight being promoted to more eminence and the whole height of gig when not enough, undertaken by handling flexible capstan winch 22, after flexible capstan winch is slowly reeled steel rope 221, owing to being connected on the base 11, outer strut bar 3 maintains static, the steel rope 221 that is wound between outer strut bar and the middle expansion link 4 shortens, expansion link up stretches out outer strut bar 3 in must driving, steel rope 43 tops simultaneously in the expansion link 4 are wound on the outer strut bar 3, up lifting along with middle expansion link 4, before the middle part is wound on middle expansion link, steel rope 43 length on the back fixed pulley also can be slowly elongated, and middle expansion link 4 before, back fixed pulley 411,412 and the internal lock reservation 51 of interior expansion link between distance then slowly shorten, interior expansion link 5 is that expansion link 4 drives lifting synchronously in the quilt, the decline process is to discharge steel rope 43, utilizes the expansion link self gravitation to descend.

Claims

1, a kind of hand powered lift, it comprises underframe (1) and the detachable outer strut bar (3) that is connected the hollow on the underframe, be provided with liftable and limited middle expansion link (4) and interior expansion link (5) in the outer strut bar, described outer strut bar (3) top is fixed with outer mount pad (31) and outer adapter plate (32), be respectively equipped with fixed pulley (311) and middle fixed pulley (312) in the described outer mount pad, last fixed pulley is by upper connector (313) supporting that is connected outer mount pad (31) side, middle fixed pulley is by being connected attaching parts (314) supporting in outer mount pad (31) fwd, be connected with down attaching parts (321) on the described outer adapter plate (32), this time attaching parts upper support has following fixed pulley (322); Expansion link (4) top is provided with middle mount pad (41) in described, should be provided with preceding fixed pulley (411) and the back fixed pulley (412) that is positioned on the same axial line in the middle mount pad, this forward and backward fixed pulley is by being connected the forward and backward attaching parts of middle mount pad (41) fwd (413) supporting, in expansion link (4) bottom outer wall be provided with in locking seat (42), in the locking seat movable pulley (421) is installed in this; Expansion link (5) top fixed cross beam (6) in described, interior expansion link bottom outer wall is provided with internal lock reservation (51), strut bar (3) bottom outer wall also is equipped with shaking capstan winch (2) outside simultaneously, described capstan winch comprises that goods hangs capstan winch (21) and flexible capstan winch (22), this goods hangs and is equipped with self-locking device (23) on capstan winch and the flexible capstan winch, described goods hangs capstan winch (21) and connects steel rope (211), this steel rope two fixed pulleys (62) set through crossbeam (6) two ends connect goods flap seat (64) and suspension hook (65), described flexible capstan winch (22) connects steel rope (221), it is characterized in that described in expansion link (4) and interior expansion link (5) mutually externally strut bar (3) make synchronization lifting and move; Described be connected on the flexible capstan winch (22) steel rope (221) through in fixed pulley (312), movable pulley (421), after fixed pulley (322) is walked around down, during end snaps onto on the locking seat (42); Be provided with steel rope (43) in the expansion link (4) in described, the head end of this steel rope snaps onto in the internal lock reservation (51) of interior expansion link (5) bottom, and through preceding fixed pulley (411), go up fixed pulley (311), after after fixed pulley (412) walks around, end snaps onto in the internal lock reservation (51).

2, hand powered lift according to claim 1, it is characterized in that described underframe (1) comprises base (11) and is separately fixed at four legs (12) on the base, the base center is provided with circular mounting hole (15), be connected with stirrup (14) between base and the leg, the leg end is provided with castor (13).

3, hand powered lift according to claim 1, it is characterized in that it is that the outer wall of strut bar bottom outside is provided with triangle fixture block (33) and oblong fixture block (34) that described outer strut bar (3) is connected with the removable jew of base (11), be provided with draw-in groove in the circular mounting hole (15) of base, fixture block buckles in the draw-in groove.

4, hand powered lift according to claim 1, it is characterized in that described in expansion link (4) and interior expansion link (5) externally the lifting of strut bar (3) is spacing mutually is to be provided with adjustable cover (424) in middle expansion link bottom, be provided with adjustable cover (512) bottom the interior expansion link (5).

5, hand powered lift according to claim 1 is characterized in that being respectively equipped with rolling sleeve pipe (9) between described outer strut bar (3) and middle expansion link (4), middle expansion link and the interior expansion link (5).

6, hand powered lift according to claim 1, it is characterized in that described shaking capstan winch (2) is provided with the removable jew bonded assembly and shakes the hand (24), outer strut bar (3) outer wall in the bottom of shaking the hand is provided with shelf of placing for shaking the hand (26) and the spring (29) and the short pin of locking (28) of shaking the hand in the locking of shelf middle part setting.

7, according to each described hand powered lift of claim 1～6, it is characterized in that described crossbeam (6) middle part is welded with the vertical tube (63) that stretches into interior expansion link (5), this vertical tube and interior expansion link are fixed.