CN217870326U

CN217870326U - Novel screw hoist

Info

Publication number: CN217870326U
Application number: CN202221731505.1U
Authority: CN
Inventors: 韩智勇; 段艳丽; 王云
Original assignee: Inner Mongolia Zhiyong Machinery Co ltd
Current assignee: Inner Mongolia Zhiyong Machinery Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-22
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a novel screw headstock gear, the power distribution box comprises a box body, the through-hole has all been seted up to the upper and lower surface of box, install the motor on the lateral wall of box, the output shaft of motor extends to in the box and installs the driving gear, install the installation axle on the inner wall of box, install driven gear and worm wheel on the installation axle, and driven gear and driving gear meshing, install installation mechanism on the inner wall of box, install the worm on the installation mechanism, and worm wheel meshing, the internal thread has been seted up on the worm, the threaded rod is installed in the cooperation on the internal thread, and the both ends of threaded rod run through two through-holes. The utility model discloses the structure is ingenious, and it is convenient to use, because setting up of different gears, worm wheel, worm has improved the speed ratio of rotating of motor output shaft and threaded rod, reduces the rotational speed of threaded rod, does benefit to the accurate control to the threaded rod.

Description

Novel screw hoist

Technical Field

The utility model relates to a hydraulic engineering technical field especially relates to a novel screw headstock gear.

Background

The screw hoist is also called screw hoist, and is one kind of machine with screw rod connected to the gate vane directly or via guide block and connecting rod to move the screw rod up and down to open and close the gate. With the wide development of water conservancy and hydropower engineering, a large number of gates and hoist machines are adopted for engineering projects such as reservoir irrigation area river dams, hydropower stations and the like.

Because the screw hoist has the advantages of low cost, simple operation, practicality and the like, the screw hoist is widely applied to gates of hydraulic engineering, but the conventional screw hoist is difficult to control the lifting of the valve due to the over-high rotating speed of the threaded rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a novel screw hoist.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel screw hoist, the power distribution box comprises a box body, the through-hole has all been seted up to the upper and lower surface of box, install the motor on the lateral wall of box, the output shaft of motor extends to in the box and installs the driving gear, install installation axle on the inner wall of box, install driven gear and worm wheel on the installation axle, and driven gear and driving gear meshing, install installation mechanism on the inner wall of box, install the worm on the installation mechanism, and worm wheel meshing, the internal thread has been seted up on the worm, the threaded rod is installed in the cooperation on the internal thread, and the both ends of threaded rod run through two through-holes.

Preferably, the installation mechanism includes a fixed seat, a mounting hole is formed in the fixed seat, a turntable is fixedly connected to the lower end of the worm, and the turntable is installed in the mounting hole.

Preferably, a plurality of connecting rods of symmetry fixedly connected with on the lateral wall of carousel, every the equal fixedly connected with of one end that the carousel was kept away from to the connecting rod connects the ball, the arc annular has been seted up on the inside wall of mounting hole, and every connects the equal sliding connection of ball in the arc annular.

Preferably, the depth of the arc-shaped ring groove is greater than the radius of the connecting ball.

Preferably, the width of the arc-shaped groove notch is smaller than the diameter of the connecting ball.

Preferably, the lower surface of box is fixedly connected with the base, a plurality of screw thread mounting holes have been seted up on the base to the symmetry.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the rotation of worm is realized through motor, driving gear, driven gear, worm wheel in this device, and threaded connection between worm and the threaded rod realizes the axis motion of threaded rod along the threaded rod, and then realizes the removal of valve in vertical side, realizes opening and close of valve, and the setting of driving gear, driven gear, worm wheel, worm effectively reduces the rotational speed of motor output shaft, realizes the deceleration effect, avoids rotating the rotational speed between worm and the threaded rod relatively and causes the accident at the excessive speed.

2. This device can enough guarantee through the setting of fixing base, connection ball, connecting rod and carousel that the worm can not take place the removal on the position along the direction of worm axis along with worm wheel pivoted, and then guarantee to take place to remove in vertical direction with worm threaded connection's valve.

To sum up, the utility model discloses the structure is ingenious, and it is convenient to use, because setting up of different gear, worm wheel, worm has improved the rotation ratio of motor output shaft with the threaded rod, reduces the rotational speed of threaded rod, does benefit to the accurate control to the threaded rod.

Drawings

Fig. 1 is a schematic structural view of a novel screw hoist provided by the present invention;

fig. 2 is an enlarged view of the structure of the driving gear part in the novel screw hoist provided by the utility model;

fig. 3 is an enlarged view of a part of the structure of the fixing seat in the novel screw hoist.

In the figure: the device comprises a box body 1, a base 2, a motor 3, a threaded rod 4, a fixed seat 5, a driving gear 6, a driven gear 7, a worm wheel 8, a rotary table 9, a connecting rod 10, a connecting ball 11, a worm 12, a mounting shaft 13 and an arc-shaped annular groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a novel screw hoist comprises a box body 1, wherein a base 2 is fixedly connected to the lower surface of the box body 1, a plurality of threaded mounting holes are symmetrically formed in the base 2, through holes are formed in the upper surface and the lower surface of the box body 1, a motor 3 is mounted on the side wall of the box body 1, an output shaft of the motor 3 extends into the box body 1 and is provided with a driving gear 6, a mounting shaft 13 is mounted on the inner wall of the box body 1, a driven gear 7 and a worm gear 8 are mounted on the mounting shaft 13, and the driven gear 7 is meshed with the driving gear 6;

the inner wall of the box body 1 is provided with an installation mechanism, the installation mechanism is provided with a worm 12, the worm 12 is meshed with the worm wheel 8, the installation mechanism comprises a fixed seat 5, the fixed seat 5 is provided with an installation hole, the lower end of the worm 12 is fixedly connected with a turntable 9, the turntable 9 is installed in the installation hole, the worm 12 is provided with an internal thread, the internal thread is provided with a threaded rod 4 in a matched mode, and two ends of the threaded rod 4 penetrate through two through holes;

a plurality of connecting rods 10 of symmetry fixedly connected with on the lateral wall of carousel 9, the equal fixedly connected with of one end of carousel 9 is kept away from to every connecting rod 10 connects ball 11, arc annular 14 has been seted up on the inside wall of mounting hole, and every connects the equal sliding connection of ball 11 in arc annular 14, the degree of depth of arc annular 14 is greater than the radius of connecting ball 11, the width of arc annular 14 notch is less than the diameter of connecting ball 11, guarantee to connect 11 blocks of ball and establish in arc annular 14, can not break away from arc annular 14.

The utility model discloses when the installation, install the device in the established position through the screw thread mounting hole on locking screw and the base 2, with the lower extreme fixed connection of threaded rod 4 in the upper end of valve, when carrying out the lift of valve, open motor 3, the output shaft of motor 3 drives driving gear 6 and rotates, driving gear 6 drives driven gear 7 with it through gear engagement and rotates, so installation axle 13 rotates along with it, worm wheel 8 on the installation axle 13 rotates along with it, worm wheel 8 meshes with worm 12, so worm 12 rotates, drive carousel 9 and rotate when worm 12 rotates, drive connecting ball 11 through connecting rod 10 and rotate in arc annular 14 when carousel 9 rotates, the valve and the dam body of threaded rod 4 lower extreme carry out spacingly to threaded rod 4, prevent that threaded rod 4 from rotating along with the rotation of worm 12, realize the lift of valve; the motor 3 can be controlled wirelessly, and the related specific structure and communication principle are the existing mature technologies, which are not described herein for a long time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel screw headstock gear, includes box (1), its characterized in that: the through-hole has all been seted up to the upper and lower surface of box (1), install motor (3) on the lateral wall of box (1), the output shaft of motor (3) extends to in box (1) and installs driving gear (6), install installation axle (13) on the inner wall of box (1), install driven gear (7) and worm wheel (8) on installation axle (13), and driven gear (7) and driving gear (6) meshing, install installation mechanism on the inner wall of box (1), install worm (12) on the installation mechanism, and worm (12) and worm wheel (8) meshing, the internal thread has been seted up on worm (12), threaded rod (4) are installed in the cooperation on the internal thread, and two through-holes are run through at the both ends of threaded rod (4).

2. The novel screw hoist of claim 1, characterized in that: the installation mechanism comprises a fixed seat (5), a mounting hole is formed in the fixed seat (5), a rotary table (9) is fixedly connected to the lower end of the worm (12), and the rotary table (9) is installed in the mounting hole.

3. The novel screw hoist of claim 2, characterized in that: symmetry fixedly connected with a plurality of connecting rods (10), every on the lateral wall of carousel (9) the equal fixedly connected with of one end of carousel (9) is kept away from in connecting rod (10) connects ball (11), arc annular (14) have been seted up on the inside wall of mounting hole, and every connects equal sliding connection of ball (11) in arc annular (14).

4. The novel screw hoist of claim 3, characterized in that: the depth of the arc-shaped annular groove (14) is greater than the radius of the connecting ball (11).

5. The novel screw hoist of claim 4, characterized in that: the width of the notch of the arc-shaped annular groove (14) is smaller than the diameter of the connecting ball (11).

6. The novel screw hoist of claim 1, characterized in that: the lower surface fixed connection of box (1) has base (2), a plurality of screw thread mounting holes have been seted up to the symmetry on base (2).