CN2076541U

CN2076541U - Manual hoister of quickly moving hook type

Info

Publication number: CN2076541U
Application number: CN 90207506
Authority: CN
Inventors: 彭玉林
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-05-25
Filing date: 1990-05-25
Publication date: 1991-05-08

Abstract

The utility model relates to a manual hoister of a quickly moving hook type, which is manual hoisting machinery. Compared with an HS type manual hoister, the utility model is characterized in that the keyed joint side of a hoisting chain wheel is provided with a circular slot where a long shaft with five teeth can enter; the end of the long shaft with five teeth, near a gear wheel, is extended with a barrier which is extended to the outside of an outer wall plate and is fastened with a clutch handle. The clutch handle, which is like a lever, is fixed on the outer wall plate and is pushed to the direction of a hand chain wheel. The teeth of the long shaft with five teeth is disengaged from a sheet gear wheel, a hoisting chain wheel is disengaged from a transmission system, and the purpose of quickly adjusting the length of a hoisting chain is achieved. The longer the hoisting chain is the more the advantages of the utility model which increases the adjusting speed of the hoisting chain by scores of times are.

Description

Manual hoister of quickly moving hook type

The utility model is a kind of hand crane tool.

HS series chain block is one of widely used hand crane tool, refer now to accompanying drawing 1 of the present utility model, introduce its principle: drag and start chain (31), bangle wheel (2) rotates, friction lining (4) ratchet (3) drg seat (5) is pressed into one to be rotated jointly, 5 tooth major axis (14) are rotatable lamella gear (16) just, 4 tooth minor axises (17) and Hua Jian hole gear (13), like this, the chain hoist wheel (10) of device on the gear of Hua Jian hole drives hoisting chain (23), can promote weight, it adopts ratchet friction disk type one-way drg, can automatic brake under load, ratchet (8) under the effect of spring (9) and ratchet engaged, assurance drg trouble free service, its maximum shortcoming is in lifting, when let-down or tractive one weight, for making suspension hook (39) hook weight just, must start chain (31) and adjust the length of hoisting chain (23) by draging, because of the transmitting ratio of hoisting crane very big, adjust useless power, when useless, labour intensity is very big.

The purpose of this utility model: need not drag and start chain (31), and direct pull hoisting chain (23) reaches quick adjusting suspension hook (39) position, be i.e. quickly moving hook type.

The utility model is achieved in that a lock (42) and clutch handle (43) kneading, and lock this moment (42) leaves draw-in groove, sees accompanying drawing 7, pushes away and closes handle (43) wallboard side to the right, sees that accompanying drawing 1, five tooth major axis (14) and plate gear (16) lose engagement.Promptly five tooth major axis (14) break away from whole drive system, chain hoist wheel (10) loses braking, reached the purpose of directly adjusting lifting chain (23) fast: when hanging thing clutch handle (43) is resetted, five tooth major axis (14) recover engagement with plate gear (16), lock enters draw-in groove, to guarantee work safety.

The utility model has the advantages that can quick adjusting hoisting chain (23) length, reach the purpose of the suspension hook of hurrying up (40).Compare with traditional method of adjusting suspension hook (40) position by handle chain (31), work efficiency is carried and is accused tens times, has alleviated labour intensity greatly, has saved and has protected the expensive time.

Fig. 1 is part dismounting figure of the present utility model, is made up of 44 vital partss, and list of spare parts is as follows:

1 bangle wheel case	12 right wallboards	23 lifting chains	34 pleasure boats
				2 bangles wheel	13 splined hole gears	24 cramp bar first	35 times hook housings
3 ratchets	14 5 tooth major axis	25 circlips	36 chain sling plates
				4 friction linings	15 cases	26 revoke	37 dual springs
5 drg seats	16 plate gears	27 baffle plates	38 Carcel plates
				6 outside racees	17 4 tooth minor axises	28 rollers	39 suspension hooks
7 detent pin	18 rollers	29 left wallboards	40 connecting traverses
				8 ratchets	19 Side fascias	30 circlips	41 support springs
9 ratchet springs	20 steel bushings	31 bangle bars	42 pins
				10 chain hoist wheels	21 guide wheels	32 pleasure boat axles	43 clutch handles
11 strut bar second	22 latches	33 needle rollers	44 handle bearings

Fig. 2 is a chain hoist wheel of the present utility model, and wherein (a) is front view, (b) is birds-eye view, (c) is the A-A section-drawing, (d) is the B-B section-drawing.It is characterized in that there is a deep trouth at A-A section place.

Fig. 3 is five tooth major axis of the present utility model, it is characterized in that stretching out retaining of Side fascia outside the gear.

Fig. 4 is a Side fascia of the present utility model, and wherein (a) is front view, (b) is birds-eye view, and its feature has two places: the one, and the middle groove of opening; The 2nd, its top has one handle to support seat (44).

Fig. 5 is clutch handle of the present utility model (43), itself and lock (42) riveted mutually.Be locked under the effect of spring, the draw-in groove of assurance and case (15) fastens.Wherein (a) is main looking, and (b) is birds-eye view.

Fig. 6 is a ratchet of the present utility model, and wherein (a) is front view, (b) is left view, (c) is birds-eye view.The vertical lengthening that it is characterized in that birds-eye view, outside together when mobile to guarantee bangle wheel (2) and five tooth major axis (14), can not drop from ratchet.

Fig. 7 is case of the present utility model (15), and wherein (a) is front view, and right-hand part is a semicircle, (b) is the section-drawing along A-A.It is characterized in that the bottom is a plane and has draw-in groove.

(a) is the utility model right part partial assembled sketch among Fig. 8, is along the A-O-B cutaway view (b).

Below with reference to accompanying drawing the utility model is described in further detail.The utility model is for its practicality and produce simple, the parts of existing HS series chain block have been utilized as much as possible, in 44 major parts in accompanying drawing 1, except that seven parts such as ratchet (8), chain hoist wheel (10), five tooth major axis (14), lock (42), clutch handle (43), case (15) and bangle wheel case, all the other 37 vital partss all can be general in HS series chain block.Principle of work of the present utility model: clutch handle (43) one ends are connected with handle bearing (44), the retaining of middle half slot and five tooth major axis (14) blocks mutually, see accompanying drawing 8, there is support spring (41) at lock shaft place, lower end, clutch handle (43) lower end is passed outside the case by the draw-in groove place of case (15), the plane is made at the draw-in groove place of case, in order that make the clutch handle that stretches out long, is convenient to operation.During normal operation, enter in the draw-in groove under the effect that is locked in self spring of clutch handle, clutch handle is pinned.When needing adjustment suspension hook (39) promptly to transfer hoisting chain (23) length, lock (42) and clutch handle (43) are mediated, lock out groove, clutch handle is pushed to right wallboard (12), five tooth major axis (14) are to moving to left and its gear enters in the circular groove of chain hoist wheel (10), five tooth major axis and plate gear (16) lose engagement, and chain hoist wheel (10) loses braking, can arbitrarily adjust the length of hoisting chain (23).In addition, bangle wheel case (1) left side is deepened 6 millimeters, so that enough spaces are arranged when the bangle wheel is moved to the left with five tooth major axis.After hoisting chain (23) has been adjusted, unclamp hand, clutch handle (43) and lock (42) are under the effect of supporting spring (41), automatically return control position, sometimes as long as push up mutually because of the tooth of five tooth major axis and the tooth of plate gear, clutch handle (43) and lock (42) can not playback, at this moment pulling bangle (31), five tooth major axis, clutch handle and lock can automatic homings, finish lifting and prepare.

Claims

1, a kind of chain block that can walk hook fast, by body, lifting chain, suspension hook, bangle is formed, it is characterized in that, have the draw-in groove of this machine of assurance trouble free service above the case on the body (15), chain hoist wheel (10) is strong to connect the garden groove that side has a gear that can make five tooth major axis (14) to enter, a retaining that matches with clutch handle is stretched out in the gear outside of five tooth major axis (14), have on the Side fascia (19) one make groove that five tooth major axis stretch out and confession fixedly the handle of clutch handle (43) support seat (44), also having one in the body, can to make five tooth major axis (14) release the drive systems and lifting chain (23) is is freely elongated or shortened be the clutch handle (43) of quickly moving hook type and the lock (42) of this machine of assurance trouble free service.