CN213805260U

CN213805260U - Small gate hoist

Info

Publication number: CN213805260U
Application number: CN202022785057.0U
Authority: CN
Inventors: 王明
Original assignee: Changzhou Lanling Automation Equipment Co ltd
Current assignee: Changzhou Lanling Automation Equipment Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-27
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a hydraulic equipment technical field especially relates to a small-size gate headstock gear, have the box and set up in the support of bottom half, be provided with through the bearing in the box and drive outside screw rod pivoted transmission. The transmission device comprises a nut, a worm wheel and a worm, the worm wheel is fixedly arranged on the periphery of the nut, and the worm is meshed with the worm wheel. The utility model has small volume, light weight and easy transportation; the structure is simple, and the modern industrial production is convenient; and a manual and electric integrated design is adopted, and various power options are provided.

Description

Small gate hoist

Technical Field

The utility model relates to a hydraulic equipment technical field especially relates to a small-size gate headstock gear.

Background

The gate hoist, also known as a hoist gate, is a large hydraulic machinery product, is related to the normal operation of hydraulic buildings, and has special significance in safe and reliable work and flexible and convenient operation besides meeting the design requirements of general hoisting machinery.

The existing gate hoist is generally large in size and heavy in self weight, so that the existing gate hoist is difficult to carry and low in efficiency in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small gate hoist.

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

a small gate hoist is provided with a box body and a support arranged at the bottom of the box body, wherein a transmission device capable of driving an external screw rod to rotate is arranged in the box body through a bearing.

Further, transmission includes nut, worm wheel and worm, the worm wheel fixed set up in the periphery of nut, the worm with the worm wheel meshes mutually.

Further, the bearing comprises a first bearing and a second bearing, the box body is connected with the nut in a rotating mode through the first bearing, and the box body is connected with the worm in a rotating mode through the second bearing.

Further, the first bearing is a thrust needle roller bearing, and the second bearing is a deep groove ball bearing.

Furthermore, the center of the nut is provided with a screw hole matched with the external screw rod in shape.

Further, the box body is sealed with the nut through a sealing ring, and the box body is sealed with the worm through a framework oil seal.

Further, the worm wheel and the nut are fixed by welding or integrated molding.

Furthermore, the tail part of the worm is provided with a power groove which can be connected with an external power source.

Further, a tray is arranged between the support and the box body, and the tray is fixedly connected with the box body through screws.

Furthermore, a connecting disc is arranged on the side edge of the box body and fixedly connected with the box body through a screw.

Adopt the technical scheme of the utility model compare in traditional technological means and have following advantage:

1) the utility model discloses small, light in weight easily carries.

2) The utility model discloses simple structure, the modern industrial production of being convenient for.

3) The utility model discloses a manual electronic integrated design provides multiple power selection.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the top view of the present invention.

In the figure: 1. the bearing type power transmission device comprises a box body, a bracket 2, a bearing 3, a transmission device 4, a nut 5, a worm wheel 6, a worm 7, a worm 8, a first bearing 9, a second bearing 9, a screw hole 10, a sealing ring 11, a framework oil seal 12, a power groove 13, a tray 14, a connecting disc 15.

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. 1-2, the small gate hoist comprises a box body 1 and a bracket 2 arranged at the bottom of the box body 1, wherein a transmission device 4 capable of driving an external screw rod to rotate is arranged in the box body 1 through a bearing 3. The transmission device 4 comprises a nut 5, a worm wheel 6 and a worm 7, wherein the worm wheel 6 is fixedly arranged on the periphery of the nut 5, and the worm 7 is meshed with the worm wheel 6. The tail part of the worm 7 is provided with a power groove 13 which can be connected with an external power source. And a screw hole matched with the appearance of the external screw is formed in the center of the nut 5. The bearing includes first bearing 8 and second bearing 9, box 1 is through first bearing 8 nut 5 rotates the connection, box 1 through second bearing 9 with worm 7 rotates the connection. The first bearing 8 is a thrust needle bearing, and the second bearing 9 is a deep groove ball bearing.

In the small gate hoist, an operator holds the rocker or installs the rocker at the front end of the motor by hand, and inserts the rocker into the power groove 13 at the tail part of the worm 7 to drive the worm 7 to rotate. In the rotating process, the worm 7 is matched with the worm wheel 6, and the worm wheel 6 is fixedly connected with the nut 5, so that the worm 7 drives the nut 5 to rotate. A screw hole matched with the screw rod of the gate to be opened and closed is arranged in the nut 5, and the nut 5 drives the screw rod to rotate so as to complete opening and closing.

The box body 1 and the nut 5 are sealed through a sealing ring 11, and the box body 1 and the worm 7 are sealed through a framework oil seal 12. The worm wheel 6 and the nut 5 are fixed by welding or integrated molding. A tray 14 is arranged between the support 2 and the box body 1, and the tray 14 is fixedly connected with the box body 1 through screws. The side of the box body 1 is provided with a connecting disc 15, and the connecting disc 15 is fixedly connected with the box body 1 through a screw.

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. A small gate hoist is provided with a box body and a support arranged at the bottom of the box body, and is characterized in that a transmission device capable of driving an external screw rod to rotate is arranged in the box body through a bearing.

2. A small gate hoist according to claim 1, characterized in that the transmission means comprises a nut, a worm wheel and a worm, the worm wheel is fixedly arranged on the outer periphery of the nut, and the worm is engaged with the worm wheel.

3. A small gate hoist according to claim 2 wherein the bearing comprises a first bearing and a second bearing, the housing being rotatably connected to the nut by the first bearing, the housing being rotatably connected to the worm by the second bearing.

4. A small gate hoist according to claim 3, characterized in that the first bearing is a needle thrust bearing and the second bearing is a deep groove ball bearing.

5. The small gate hoist according to claim 2, wherein a screw hole matching with the external shape of the external screw is formed in the center of the nut.

6. The small gate hoist according to claim 2, wherein the box body is sealed with the nut by a seal ring, and the box body is sealed with the worm by a skeleton oil seal.

7. The small gate hoist according to claim 2, wherein the worm wheel and the nut are fixed by welding or integrally molding.

8. A small gate hoist according to claim 2, characterized in that the worm has a power groove at its tail for connection with an external power source.

9. The small gate hoist according to claim 1, wherein a tray is disposed between the bracket and the box body, and the tray is fixedly connected to the box body through a screw.

10. A small gate hoist according to any one of claims 1 to 9, characterized in that a connecting disc is provided on a side of the box body, and the connecting disc is fixedly connected with the box body by a screw.