CN201705875U - Screw lifting device - Google Patents

Abstract

The utility model relates to a screw lifting device, which comprises a screw, a screw sleeve, a stand, a driving shaft, a first bevel gear and a second bevel gear which are positioned in the stand, wherein the screw comprise a first end part, and the screw is inserted in the screw sleeve and is meshed with the screw sleeve through threads; the first end part is positioned outside the screw sleeve, and the driving shaft can be rotatably arranged in the stand in a penetrating way; the first bevel gear is sleeved and fixed on the driving shaft, and the first bevel gear and the second bevel gear are vertically arranged and mutually meshed with each other; and the first end part penetrates through the stand and is fixed on the second bevel gear, preferably, the second bevel gear is sleeved and fixed on the first end part. The screw lifting device also comprises a supporting rod on which the screw sleeve is fixed, and also comprises a supporting rack, wherein the screw can be rotatably supported on the supporting rack, and the driving shaft is axially provided with a driving hole. The utility model has ingenious concept, unique design, simple and novel structure, and convenient assembly, can makes up and down movement on an inclined surface, smoothly and portably operates, and is suitable for large-scale promotion and application.

Description

The leading screw lowering or hoisting gear

Technical field

The utility model relates to the lowering or hoisting gear technical field, and particularly leading screw lowering or hoisting gear technical field specifically is meant a kind of leading screw lowering or hoisting gear that inclined lift can be used for vertical lift again that can be used for.

Background technique

The Screw of Worm Gear lift is the moving cell that worm speed reducer and screw pair etc. is combined dexterously and forms.It both can use separately, can fast make up by coupling as piecing together building blocks again, realize the lifting of object, back and forth, motion such as upset.

The Screw of Worm Gear lift has been widely used in all trades and professions as a kind of functional part.For example: the transmission device of mechanical industry, numerical control actuating device; The roll movement means of metallurgy industry, steel works ladle lifting and upender and people can not and the motion transfering device in place; The vehicle lifting frame of railway vehicle industry, large-scale flexible clamping, transposition frock, welding robot etc.; The lift device of construction industry, large-scale door and window are automatically or the remote control opening device; Industries such as water conservancy opening device, radar and the solar energy sensoring of gate; The lift device of medical apparatus, elevator stage and auto manufacturing; And the transmission device of Aero-Space, national defense and military or the like.In fact, use in the Screw of Worm Gear lift place that will realize the mechanical displacement transmission of almost can in officely what is the need for.

SWL series Screw of Worm Gear lift is that heavy parts is played on a kind of basis, meets JB/T8809-1998 (former JB/ZQ4391-86) standard.This product can be widely used in industry-by-industries such as machinery, metallurgy, building, chemical industry, medical treatment, cultural health.Bearing capacity 2.5-120T.Have compact structure, volume is little, in light weight, power source is extensive, noise is little, easy for installation, use flexibly, many, the advantages such as reliability is high, long service life of many, the supporting forms of function.Have functions such as lifting, landing, propelling, upset, can separate unit or be used in combination.Can control exactly by certain program and adjust the height that promotes or advance, can directly drive with motor or other power, also can be manual.The highest input speed 1500r/min, maximum lift speed 2.7m/min.Different structural types and fit are arranged, and lifting height is by user's requirement manufacturing.This device can self-locking.

Yet existing Screw of Worm Gear lift is mainly used in the vertical lift of object, can't realize inclined lift.For the problems referred to above and the defective that solves existence, be necessary very much existing screw-threaded shaft elevator is improved.

The model utility content

The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, and a kind of leading screw lowering or hoisting gear is provided, and this leading screw lowering or hoisting gear is skillfully constructed, design is unique, and novelty simple for structure is easy to assembly, on the inclined-plane, can do oscilaltion and smooth operation is light, be suitable for large-scale promotion application.

To achieve these goals, leading screw lowering or hoisting gear of the present utility model has adopted following technological scheme:

This leading screw lowering or hoisting gear, comprise leading screw and screw mandrel cover, described leading screw comprises first end, described leading screw is plugged in the described screw mandrel cover and with described screw mandrel thread die cutting and meshes, and described first end is positioned at outside the described screw mandrel cover, be characterized in, described leading screw lowering or hoisting gear also comprises support, transmission shaft and first bevel gear and second bevel gear that are arranged in described support, described transmission shaft is rotatable to be located in the described support, the described first bevel gear socket is fixed on the described transmission shaft, described first bevel gear is vertical with described second bevel gear to be provided with and to be meshing with each other, and described first end wears in the into described support and with described second bevel gear and fixes.

Preferably, the described second bevel gear socket is fixed on the described first end.

Preferably, described leading screw lowering or hoisting gear also comprises strut, and described screw mandrel cover is fixed on the described strut.

More preferably, described strut is provided with the screw fixed hole.

Preferably, described leading screw lowering or hoisting gear also comprises supporting frame, and described leading screw rotatable support is on support frame as described above.

Preferably, described transmission shaft is provided with driving hole vertically.

More preferably, described leading screw lowering or hoisting gear also comprises wind, and described wind detachably is plugged in and is used to rotate described transmission shaft in the described driving hole.

The beneficial effects of the utility model are: the utility model drives first bevel gear by transmission shaft, first bevel gear driving, second bevel gear is rotated, the second bevel gear rotating band movable wire thick stick rotates, thereby leading screw is moving linearly in the screw mandrel cover, is skillfully constructed, and design is unique, novelty simple for structure, easy to assembly, on the inclined-plane, can do oscilaltion and smooth operation is light, be suitable for large-scale promotion application.

Description of drawings

Fig. 1 is that the part master of a specific embodiment of the present utility model looks schematic representation.

Fig. 2 is the partial schematic sectional view of specific embodiment shown in Figure 1.

Fig. 3 is the schematic top plan view of second bevel gear of specific embodiment shown in Figure 1.

Fig. 4 is that specific embodiment shown in Figure 1 is installed in the perspective diagram in the inclined lift table.

Embodiment

In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.Wherein identical parts adopt identical reference character.

See also shown in Fig. 1～3, leading screw lowering or hoisting gear of the present utility model comprises leading screw 1 andscrew mandrel cover 2, described leading screw 1 comprisesfirst end 11, described leading screw 1 is plugged in the describedscrew mandrel cover 2 and with described screw mandrel andoverlaps 2 thread engagement, and describedfirst end 11 is positioned at outside the describedscrew mandrel cover 2, described leading screw lowering or hoisting gear also comprisessupport 3, transmission shaft 4 andfirst bevel gear 5 and second bevel gear 6 (specifically seeing Fig. 2 and Fig. 3) that are arranged in describedsupport 3, described transmission shaft 4 rotatable being located in the describedsupport 3,5 sockets of described first bevel gear are fixed on the described transmission shaft 4, describedfirst bevel gear 5 is vertical with describedsecond bevel gear 6 to be provided with and to be meshing with each other, and describedfirst end 11 wears in the into describedsupport 3 and be fixing with described second bevel gear 6.As shown in Figure 2, in specific embodiment of the utility model, 6 sockets of described second bevel gear are fixed on the describedfirst end 11.

Preferably, described leading screw lowering or hoisting gear also comprises strut 7, and describedscrew mandrel cover 2 is fixed on the described strut 7.In specific embodiment of the utility model, described strut 7 is provided with screw fixedhole 71.

In specific embodiment of the utility model, described leading screw lowering or hoisting gear also comprises the supporting frame (not shown), and described leading screw 1 rotatable support is on support frame as described above.

Transmission shaft 4 can be that manual drives also can be a motorized motions.Preferably, described transmission shaft 4 is provided with drivinghole 41 vertically.In specific embodiment of the utility model, described leading screw lowering or hoisting gear also comprises the wind (not shown), and described wind detachably is plugged in and is used to rotate described transmission shaft 4 in the describeddriving hole 41.

See also shown in Figure 4, the utility model is installed in the inclined lift table, wherein table 8 is installed in the upper end of the table support tube 9 of inclination, table support tube 9 slidably is plugged in the describedtable supporting sleeve 10 vertically,support 3 is fixed in the table support tube 9, supporting frame also is fixed in the table support tube 9, and strut 7 fixing (here be engaged in the screw fixedhole 71 by retainingscrew 12 and fix) is intable supporting sleeve 10.

When needing to regulate the table height, wind is plugged in thedriving hole 41, rotary handle crank gets final product.Screw thread setting according to leading screw among Fig. 11, clockwise or be rotated counterclockwise wind, transmission shaft 4 clockwise or be rotated counterclockwise (as filled arrows indication among Fig. 1), byfirst bevel gear 5 and 6 transmissions of second bevel gear, leading screw 1 rotates to the left or to the right, leading screw 1 moves (as Fig. 2 hollow core arrow indication) onscrew mandrel cover 2 is done under the straight line, makes to go up down straight line motion (as Fig. 4 hollow core arrow indication) thereby drive table support tube 9.Therefore, if regulate table 8 downwards, wind then turns clockwise; If, then be rotated counterclockwise wind to adjusted table 8.

The utility model is applicable to inclined lift table class, manual or motorized adjustment height.Equally also can be used for vertical lift.

To sum up, leading screw lowering or hoisting gear of the present utility model is skillfully constructed, and design is unique, and novelty simple for structure is easy to assembly, can do oscilaltion and smooth operation is light on the inclined-plane, is suitable for large-scale promotion application.

In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims (7)

1. leading screw lowering or hoisting gear, comprise leading screw and screw mandrel cover, described leading screw comprises first end, described leading screw is plugged in the described screw mandrel cover and with described screw mandrel thread die cutting and meshes, and described first end is positioned at outside the described screw mandrel cover, it is characterized in that, described leading screw lowering or hoisting gear also comprises support, transmission shaft and first bevel gear and second bevel gear that are arranged in described support, described transmission shaft is rotatable to be located in the described support, the described first bevel gear socket is fixed on the described transmission shaft, described first bevel gear is vertical with described second bevel gear to be provided with and to be meshing with each other, and described first end wears in the into described support and with described second bevel gear and fixes.

2. leading screw lowering or hoisting gear according to claim 1 is characterized in that, the described second bevel gear socket is fixed on the described first end.

3. leading screw lowering or hoisting gear according to claim 1 is characterized in that, described leading screw lowering or hoisting gear also comprises strut, and described screw mandrel cover is fixed on the described strut.

4. leading screw lowering or hoisting gear according to claim 3 is characterized in that described strut is provided with the screw fixed hole.

5. leading screw lowering or hoisting gear according to claim 1 is characterized in that, described leading screw lowering or hoisting gear also comprises supporting frame, and described leading screw rotatable support is on support frame as described above.

6. leading screw lowering or hoisting gear according to claim 1 is characterized in that described transmission shaft is provided with driving hole vertically.

7. leading screw lowering or hoisting gear according to claim 6 is characterized in that, described leading screw lowering or hoisting gear also comprises wind, and described wind detachably is plugged in and is used to rotate described transmission shaft in the described driving hole.

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