CN212050326U

CN212050326U - Protection type shelter elevating system

Info

Publication number: CN212050326U
Application number: CN201922031884.8U
Authority: CN
Inventors: 高鹤
Original assignee: Liaoning Lingjun Electromechanical Technology Co ltd
Current assignee: Liaoning Lingjun Electromechanical Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-12-01
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a: a protective shelter lifting mechanism comprises a crank, wherein the tail end of the crank is connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, a transmission rod is arranged on the second bevel gear, a lead screw nut is screwed on a trapezoidal thread lead screw, a limiting nut is arranged at the bottom of the trapezoidal thread lead screw, an outer pipe assembly is arranged on the periphery of the trapezoidal thread lead screw, an inner pipe assembly is arranged at the lower end of the outer pipe assembly, a ground plate is connected onto the outer pipe assembly, a positioning pin is arranged on the ground plate, the lead screw and the nut are protected through the inner pipe, sand and dust are placed to enter a friction surface, the lead screw has self-locking performance, and can be kept stopped at any point, and the levelness of a shelter is guaranteed when the; the manual reduction gearbox and the main reduction gearbox are designed in a fully-closed structure, gear meshing surfaces of all parts are protected, the service life of the lifting mechanism is prolonged, and the environmental adaptability is improved.

Description

Protection type shelter elevating system

Technical Field

The utility model discloses be applied to industrial field, specifically be a protection type shelter elevating system.

Background

When the square cabin vehicle is in field operation or has no hoisting equipment such as a crane, the loading and unloading of the cabin body are realized through the square cabin lifting mechanism, the rack of the mechanism is exposed and leaked outside when the square cabin is supported, a large amount of lubricating grease is coated on the rack, sand dust can be attached to the rack in field operation or windy and sandy weather, the sand dust easily enters a gear meshing surface when being recovered, the gear and the rack are abraded, and the service life of the whole set of mechanism is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection type shelter elevating system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection type shelter elevating system, includes the crank, the end-to-end connection of crank has first helical gear, first helical gear meshing second helical gear, be equipped with the transfer line on the second helical gear, the end of transfer line is equipped with first drive gear, the meshing has second drive gear on the first drive gear, be equipped with trapezoidal thread lead screw on the second drive gear, the spiro union has screw nut on the trapezoidal thread lead screw, trapezoidal thread lead screw's bottom is equipped with stop nut, trapezoidal thread lead screw's periphery is equipped with the inner tube assembly, the lower extreme of inner tube assembly is equipped with the outer tube assembly, be connected with the chassis on the outer tube assembly, be equipped with the locating pin on the chassis.

Preferably, the first transmission gear and the second transmission gear can be replaced with a reduction gear.

Preferably, the ground plate is provided with a mounting seat.

Preferably, the inner cavity of the ground disc is spherical.

Compared with the prior art, the beneficial effects of the utility model are that: the screw rod and the nut are protected through the inner pipe, sand and dust are placed to enter the friction surface, the screw rod has self-locking performance, the screw rod can be kept to stop at any point, and the levelness of the square cabin is guaranteed when the lifting mechanism works; the manual reduction gearbox and the main reduction gearbox are designed in a fully-closed structure, gear meshing surfaces of all parts are protected, the service life of the lifting mechanism is prolonged, and the environmental adaptability is improved.

Drawings

Fig. 1 is a design structure diagram of the present invention.

Wherein: the device comprises a crank 1, a first bevel gear 2, a second bevel gear 3, a transmission rod 4, a first transmission gear 5, a second transmission gear 6, a screw nut 7, a trapezoidal thread screw 8, an inner pipe assembly 9, a limiting nut 10, an outer pipe assembly 11, a ground plate 12 and a positioning pin 13.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a protection type shelter elevating system, includes crank 1, the end-to-end connection of crank 1 has first helical gear 2, first helical gear 2 meshes second helical gear 3, be equipped with transfer line 4 on the second helical gear 3, the end of transfer line 4 is equipped with first drive gear 5, the meshing has second drive gear 6 on the first drive gear 5, be equipped with trapezoidal thread lead screw 8 on the second drive gear 6, the spiro union has screw nut 7 on the trapezoidal thread lead screw 8, trapezoidal thread lead screw 8's bottom is equipped with stop nut 10, trapezoidal thread lead screw 8's periphery is equipped with inner tube assembly 9, the lower extreme of inner tube assembly 9 is equipped with outer tube assembly 11, be connected with ground plate 12 on the outer tube assembly 11, be equipped with locating pin 13 on the ground plate 12.

Specifically, the first transmission gear 5 and the second transmission gear 6 can be replaced with a reduction gear.

The universality of the equipment is improved, and the equipment can be controlled in different modes under different production environments and different working conditions.

Specifically, the floor 12 is provided with a mounting seat.

Specifically, the inner cavity of the ground disc 12 is spherical.

The universality of the equipment is improved, and the equipment is more stable during operation.

The working principle is as follows: rotate through first helical gear 2 and second helical gear 3 through crank 1, drive first drive gear 5 and second drive gear 6 in the main reduction box through drive rod 4, and then drive trapezoidal thread lead screw 8 and rotate, push out or withdraw the nut of installing on inner tube assembly 11, the relative outer tube of inner tube stretches out or retrieves, realize the lift of shelter, trapezoidal thread lead screw 8 bottom is equipped with stop nut, when lead screw nut 7 descends to the bottom, trapezoidal thread lead screw 8 can not continue to rotate, increase the security of whole set of mechanism.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A protective shelter lifting mechanism comprises a crank (1) and is characterized in that the crank is a crank shaft; the tail end of the crank (1) is connected with a first bevel gear (2), the first bevel gear (2) is meshed with a second bevel gear (3), a transmission rod (4) is arranged on the second bevel gear (3), a first transmission gear (5) is arranged at the tail end of the transmission rod (4), a second transmission gear (6) is meshed on the first transmission gear (5), a trapezoidal thread lead screw (8) is arranged on the second transmission gear (6), a screw nut (7) is screwed on the trapezoidal thread screw rod (8), a limit nut (10) is arranged at the bottom of the trapezoidal thread screw rod (8), an inner pipe assembly (9) is arranged on the periphery of the trapezoidal thread screw rod (8), an outer pipe assembly (11) is arranged at the lower end of the inner pipe assembly (9), the outer tube assembly (11) is connected with a floor (12), and a positioning pin (13) is arranged on the floor (12).

2. The shelter lift mechanism of claim 1, wherein; the first transmission gear (5) and the second transmission gear (6) can be replaced by a speed reducer.

3. The shelter lift mechanism of claim 1, wherein; the ground plate (12) is provided with a mounting seat.