CN203129102U

CN203129102U - Hand-operated screw hoist

Info

Publication number: CN203129102U
Application number: CN 201320004500
Authority: CN
Inventors: 颜道伟
Original assignee: JIANGXI LAOHUI WATER CONSERVANCY MACHINERY MANUFACTURING Co Ltd
Current assignee: JIANGXI LAOHUI WATER CONSERVANCY MACHINERY MANUFACTURING Co Ltd
Priority date: 2013-01-06
Filing date: 2013-01-06
Publication date: 2013-08-14
Anticipated expiration: 2023-01-06

Abstract

The utility model discloses a hand-operated screw hoist, and relates to water conservancy equipment, in particular to a gate hoist. The hand-operated screw hoist comprises a machine body (1), a lifting shaft (2) is arranged at the central position in the machine body (1), a stroke switch (4) is arranged on the top of the lifting shaft (2), a limit nut (3) is arranged on the top of the machine body (1), an electrical equipment box (5) is arranged on the side face of the machine body (1), a button (6) is arranged on the electrical equipment box (5), a worm wheel (9) is arranged in the middle of the lifting shaft (2) in a threaded matched mode, the worm wheel (9) is meshed with a worm (8), a motor (7) is arranged on the machine body (1), a rotating shaft of the motor (7) is connected with one end of the worm (8) through a clutch (11), and a rocking handle (10) is arranged at the other end of the worm (8). The hand-operated screw hoist solves the problem that commonly a motor-driven hoist is adopted in a gate hoist, when unexpected cases happen, the motor-driven hoist can not work, and normal work of a gate can be affected.

Description

The hand-rail type worm-type open-close machine

Technical field

The utility model relates to water conservancy equipment, is specifically related to gate hoist.

Background technology

The electronic headstock gear of the general employing of gate hoist, when fortuitous event occurring, as the electric power facility fault, or power failure etc., electronic headstock gear can't be worked, and can affect the normal operation of gate.

The utility model content

The utility model provides the hand-rail type worm-type open-close machine, and the utility model has solved the electronic headstock gear of the general employing of gate hoist, and when fortuitous event occurring, electronic headstock gear can't be worked, and can affect the problem of the normal operation of gate.

For addressing the above problem, the utility model adopts following technical scheme, the hand-rail type worm-type open-close machine, comprise body 1, the interior center of body 1 is equipped with lifting shaft 2, and lifting shaft 2 tops are equipped with travel switch 4, and body 1 top is equipped with stop nut 3, in body 1 side, electric appliance box 5 is installed, button 6 is arranged on electric appliance box 5; Lifting shaft 2 middle part threaded engagement also are equipped with worm gear 9, worm gear rotates and drives the lifting shaft knee-action, and worm gear 9 and worm screw 8 engagements are equipped with motor 7 on body 1, motor 7 rotating shafts are connected with worm screw 8 one ends by clutch 11, and the other end of worm screw 8 is equipped with crank 10.

Advantage of the present utility model: compact conformation, good looking appearance, safe and reliable; Employing is manual, motor drives jointly, guarantees that headstock gear under any circumstance all can work.

The accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is the lateral view of Fig. 1.

Symbol description in figure: body 1, lifting shaft 2, stop nut 3, travel switch 4, electric appliance box 5, button 6, motor 7, worm screw 8, worm gear 9, crank 10, clutch 11.

The specific embodiment

below with best embodiment, the utility model is described in detail .

As shown in Figure 1-2, the hand-rail type worm-type open-close machine, comprise body 1, the interior center of body 1 is equipped with lifting shaft 2, and lifting shaft 2 tops are equipped with travel switch 4, and body 1 top is equipped with stop nut 3, in body 1 side, electric appliance box 5 is installed, button 6 is arranged on electric appliance box 5; Lifting shaft 2 middle part threaded engagement also are equipped with worm gear 9, and worm gear 9 and worm screw 8 engagements are equipped with motor 7 on body 1, and motor 7 rotating shafts are connected with worm screw 8 one ends by clutch 11, and the other end of worm screw 8 is equipped with crank 10.When having a power failure, operated clutch makes motor separate with worm screw, adopts crank operation worm screw, realizes the lifting of lifting shaft.

Finally it should be noted that: obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being amplified out thus or change are still among protection domain of the present utility model.

Claims

1. hand-rail type worm-type open-close machine, comprise body (1), the interior center of body (1) is equipped with lifting shaft (2), lifting shaft (2) top is equipped with travel switch (4), body (1) top is equipped with stop nut (3), in body (1) side, electric appliance box (5) is installed, button (6) is arranged on electric appliance box (5); It is characterized in that, lifting shaft (2) middle part threaded engagement also is equipped with worm gear (9), worm gear (9) and worm screw (8) engagement, motor (7) is installed on body (1), motor (7) rotating shaft is connected with worm screw (8) one ends by clutch (11), and the other end of worm screw (8) is equipped with crank (10).