CN105905753B

CN105905753B - A kind of spiral vertical-lift mechanism

Info

Publication number: CN105905753B
Application number: CN201610516042.XA
Authority: CN
Inventors: 刘纯明; 刘翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-04
Filing date: 2016-07-04
Publication date: 2019-04-23
Anticipated expiration: 2036-07-04
Also published as: CN105905753A

Abstract

The invention discloses a kind of spiral vertical-lift mechanisms, including bearing plate, are mounted vertically in the jacking post of bearing plate bottom, the column circumferentially arranged close to jacking post, and the driving device between bearing plate and jacking post for driving jacking post to rotate is arranged in；There is the scroll for highlightedly coiling setting upwards around jacking post spiral, the public affairs that the major diameter of scroll is greater than several columns cut diameter of a circle on the periphery of jacking post；Column has the guiding groove of equidistant interval setting along its length towards the side of jacking post, and guiding groove penetrates through setting along the direction of scroll, and the distance of two neighboring guiding groove is identical as the lead of scroll；Guiding groove on several columns is in the helical pattern consistent with scroll along the circumferential direction of jacking post；Scroll is equipped in the guiding groove of several columns, and can be leaned under the guidance for itself being rotated in guiding groove and be gone up and down.The present invention also has speed-raising fastly, itself is light, and noise is small, can lubricate, safe to use, the advantages that lasting a long time.

Description

A kind of spiral vertical-lift mechanism

Technical field

The present invention relates to a kind of hoisting mechanisms, specifically a kind of spiral vertical-lift mechanism.

Background technique

Vertical-lift mechanism is a kind of equipment for promoting cargo or people to eminence, is widely used in mine and building work On the ground, it in existing hoisting mechanism, is usually promoted using the structure type of wirerope and hoist engine.Existing patent its It is form using the above structure, it is convenient to have the characteristics that be promoted.But the hoisting way of this structure type, in the mistake of promotion Cheng Zhong, when there is the burst accident of wire cable rupture, the danger that high-altitude is fallen can be occurred by promoting object, and then jeopardize personnel and goods The safety of object.

For this purpose, inventor once devised a kind of Ropeless vertical lifting mechanism, including several tubulars being equably vertically arranged Body, by jacking post that screw thread is rotatably connected in inside cylindrical body, the bearing plate being set between cylindrical body, be fixed in the middle part of bearing plate under The motor of side, the helical gear being fixedly arranged on motor output shaft, wherein side opposite between the cylindrical body is respectively provided with side Slot is provided with extension on the corner of the bearing plate across the side channel of the cylindrical body and is connected to the upper end of jacking post, institute The lower end for stating jacking post is installed with a helical gear, sets between helical gear and each jacking post lower end helical gear on the motor output shaft Be equipped with drive rod, the both ends of the drive rod be disposed as pitch face and respectively with helical gear on motor output shaft and each jacking post Lower end helical gear is meshed, and is connected on the connector for being fixed on bearing plate lower end in the middle part of drive rod by bearing.So that using should Ropeless vertical lifting mechanism is not in cause to promote the danger that object is fallen because of cord break, significantly increases the peace of elevator Quan Xing.

But the jacking column diameter of above-mentioned Ropeless vertical lifting mechanism is smaller, and in the case where identical lead angle, spiral shell The lead of line is smaller, causes the speed promoted slower, working efficiency is lower.

Summary of the invention

In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of structure letter Single, manufacture and maintenance cost are lower, and service life is longer, and promotion speed is fast, efficiency higher spiral vertical-lift mechanism.

In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:

A kind of spiral vertical-lift mechanism, which is characterized in that including horizontally disposed bearing plate, be mounted vertically in described hold Weight board bottom portion and can around the jacking post that own axes rotates, circumferentially close to the jacking post arrange it is several be vertically arranged stand Column, and be arranged between the bearing plate and jacking post for driving the driving device of the jacking post rotation；The jacking There is the scroll for highlightedly coiling setting upwards around jacking post spiral on the periphery of column；The column is towards the jacking post Side have along its length equidistant interval setting guiding groove, the guiding groove along the scroll coil direction penetrate through Setting, and the distance of the two neighboring guiding groove of same column is identical as the lead of the scroll；On several columns Guiding groove along the jacking post circumferential direction be in the helical pattern consistent with the scroll；The scroll is equipped with In the guiding groove of several columns, and it can lean under the guidance for itself being rotated in the guiding groove and go up and down；It further include being used for It guides the bearing plate to move up and down, and prevents the guiding device of the bearing plate rotation；The scroll is arranged in the circumferential There are at least two.

In use, starting driving device, driving jacking post is rotated around own axes, due to the scroll cooperation in jacking post It is arranged in the guiding groove of column, and the guiding groove of several columns twist arranges, so that discontinuous internal screw thread is constituted, spiral Rib rotates in the discontinuous internal screw thread with jacking post, so that jacking post pushes the bearing plate of top to move up and down, in this way, It is achieved that screw lifting function, since jacking post is located in the middle part of bearing plate, in order to guarantee the steady of bearing plate, diameter is generally all Larger, in the case where identical lead angle, the scroll lead in jacking post is bigger, thus in the case where same rotational speed, Be conducive to improve the speed promoted, and promote the efficiency of work.In addition, since screw thread has latching characteristics, once it was promoted There was a mechanical failure in journey, and jacking post can be parked in original position under the self-locking of screw thread, so as to avoid the generation of accident, Improve the safety of elevator.In addition, two scrolls of setting can increase the intensity of scroll, the use of scroll is improved Service life increases the safety of elevator.

As optimization, one layer is also equipped on the surface of the lower surface of the scroll or the guiding groove upward by wear-resisting The sliding block of material production, the sliding block are bolted on the surface of the lower surface or the guiding groove of the scroll upward On.

In this way, sliding block is mounted on the surface of the lower surface or guiding groove of scroll upward, the two contact surface is improved Wearability, avoid scroll and guiding groove from causing to scrap because of friction texturizing in lifting process.Meanwhile meeting workability Under the premise of capable of requiring, the usage amount of quality material can be reduced, saves manufacturing cost.In addition, after slider wear, it only need to be to cunning Block is replaced, and is conducive to save maintenance cost.

As optimization, also there is the spherical pore of recessed setting on the surface of the guiding groove upward, the spherical pore is embedded Enter to be provided with rotatable ball, and place surface is exposed in the upper end of ball.

In this way, since the surface of guiding groove upward is exposed in the upper end of ball, to make to cooperate the scroll in guiding groove Lower surface is in contact with ball, when scroll is rotated with jacking post, drives the ball that contacts in the spherical pore of guiding groove Interior rolling is conducive to the flexibility for improving movement so that the sliding friction between scroll and guiding groove is become rolling friction, Abrasion is reduced, is conducive to improve service life.

As optimization, the lower surface of the scroll has the groove being arranged along scroll, and the section of the groove is in circle Arc, and the radius of circular arc is consistent with the ball bearing radius；The height phase that the depth of the groove is exposed with the ball Match, cooperate the groove of the scroll when on the ball, the lower surface of the scroll and the guiding groove are upward There is gap between surface.

In this way, ball is matched with the groove in the groove that the setting of the lower surface of scroll matches with ball diameter, The contact area between ball and scroll can be increased, the pressure for bearing ball and scroll lower surface is smaller, subtracts Small ball or the deflection of scroll lower surface, improve service life.

Several rotatable rollers are in axial direction placed equidistant with as optimization, on the column, the guiding groove is The groove of the middle part of the roller in a ring is set；The upper and lower ends of the roller are mounted obliquely within described vertical by bearing On column, keep the surface of the guiding groove upward parallel with the lower surface of the scroll of respective side.

Since the surface of guiding groove upward is parallel with the lower surface of the scroll of respective side, so that cooperation is guiding Scroll lower surface in slot directly fits with the surface of guiding groove upward, increases guiding groove to the supporting surface of scroll Product, is conducive to the stability for improving elevator.In addition, when scroll is rotated with jacking post, friction of the roller in scroll It is rotated under the drive of power around own axes, so that the working face of guiding groove changes with the rotation of roller, avoids guiding groove Fixation surface generate abrasion and cause to scrap, be conducive to improve service life.

As optimization, the guiding device is the guide sleeve that can be set on the column up or down, described to lead The length matched to set with the column is greater than the width of the guiding groove；The bearing plate is fixedly connected on the guide sleeve On.

In this way, installing guide sleeve on column, material can be saved, simplifies structure.Meanwhile guide sleeve is matched with column Length be greater than the width of guiding groove, can prevent guide sleeve from clamping stagnation occurs when by guiding groove, be conducive to improve mechanism Flexibility.

As optimization, the upper and lower ends for the side that the guide sleeve is matched with the column are along the side far from the column To being obliquely installed.In this way, the side that can also be obliquely installed by both ends is drawn even if guide sleeve is passing through a little deflection of guiding groove The running stability of mechanism can be improved swimmingly by the guiding groove on column by leading guide sleeve.

As optimization, there is the sliding slot being arranged along short transverse on the two sides of the column along circumferential direction；The jacking Several protective plates that the jacking post is covered around circumferential direction are additionally provided on column, the both ends of the protective plate along circumferential direction can It is slidably mounted in the sliding slot of the two neighboring column；It is formed between the protective plate and the jacking post for storing profit The lubricating cavity of consistent lubricant.

Using the above structure, the spiral between protective plate and jacking post can be made in order to fill lubricating grease in lubricating cavity Rib infiltrates in lubricating grease, is lubricated during the work time to scroll and guiding groove, to improve the use longevity of scroll Life.

As optimization, the driving device includes the motor for being fixed at the bearing plate bottom, and the motor turns Son connection is mounted in the jacking post.

As optimization, the driving device further includes the planetary reducer being fixed in the jacking post, institute The rotor coaxial for stating motor is connected on the input shaft of the planetary reducer.

Compared with prior art, the present invention has the advantage that

1, technical solution of the present invention, that it changes the vertical-lift sides common in the art with rope and hoist engine Formula, using Ropeless vertical lifting, using the latching characteristics of screw thread, so that hoisting mechanism is not in the peace for promoting object falling from high altitude Full hidden danger.2, the present invention is highly suitable for mine vertical-lift, construction site vertical-lift, safe and reliable to operation.3, of the invention Also have the advantages that of simple structure and low cost.4, the present invention also has speed-raising fast, itself is light, and noise is small, can lubricate, and uses The advantages that lasting a long time；5, the present invention when specifically used, can be arranged in the vertical direction between column multiple jacking posts with And bearing plate, promotion while different height may be implemented, when overcoming rope promotion in this way, a promotion channel can only be set The defect that a carrying apparatus is promoted is set, the operational efficiency and space service efficiency of hoisting mechanism are substantially increased.6, originally Invention may also act on the mountain transportation of special address location when specifically used, such as drop above and below Sichuan-Tibet highway Thousands of rice install the vertical-lift mechanism in location appropriate, automobile can be promoted to desired height from waterway between mountains bottom.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one embodiment of the invention.

Fig. 2 is the structural schematic diagram of scroll and guiding groove mating part in Fig. 1.

Fig. 3 is the structural schematic diagram of roller.

Fig. 4 is the structural schematic diagram of scroll and guiding groove mating part in another embodiment.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawing.

Embodiment 1: as shown in Fig. 1 ~ Fig. 3, a kind of spiral vertical-lift mechanism, including it is horizontally disposed bearing plate 1, vertical Be mounted on 1 bottom of bearing plate and can around the jacking post 2 that own axes rotate, circumferentially close to the jacking post 2 arrange Several columns 3 being vertically arranged and setting are used to that the jacking post 2 be driven to rotate between the bearing plate 1 and jacking post 2 Driving device；There is the scroll 21 being provided projectingly around jacking post 2, the scroll 21 on the periphery of the jacking post 2 Maximum gauge be greater than several columns 3 internal common tangent circle diameter, and the minimum diameter of the scroll 21 be less than it is several The diameter of the outer common tangent circle of the column 3；The column 3 towards the side of the jacking post 2 have it is equidistant along its length between Every the guiding groove 31 of setting, the guiding groove 31 penetrates through setting along the coil direction of the scroll 21, and same column is adjacent The distance of two guiding grooves 31 is identical as the lead of the scroll 21；Guiding groove 31 on several columns 3 is along institute The circumferential direction of jacking post 2 is stated in the helical pattern consistent with the scroll 21；The scroll 21 is equipped with several In the guiding groove 31 of the column 3, and it can lean under the guidance for itself being rotated in the guiding groove 31 and go up and down；It further include for drawing Lead the guiding device that the bearing plate 1 moves up and down, and prevents the bearing plate 1 from rotating.

In use, starting driving device, driving jacking post is rotated around own axes, due to the scroll cooperation in jacking post It is arranged in the guiding groove of column, and the guiding groove of several columns twist arranges, so that discontinuous internal screw thread is constituted, spiral Rib rotates in the discontinuous internal screw thread with jacking post, so that jacking post pushes the bearing plate of top to move up and down, in this way, It is achieved that screw lifting function, since jacking post is located in the middle part of bearing plate, in order to guarantee the steady of bearing plate, diameter is generally all Larger, in the case where identical lead angle, the scroll lead in jacking post is bigger, thus in the case where same rotational speed, Be conducive to improve the speed promoted, and promote the efficiency of work.In addition, since screw thread has latching characteristics, once it was promoted There was a mechanical failure in journey, and jacking post can be parked in original position under the self-locking of screw thread, so as to avoid the generation of accident, Improve the safety of elevator.

When it is implemented, the scroll 21 is provided at least two in the circumferential, and two scrolls 21 away from From the half for being equal to scroll lead.In this way, two scrolls screenshot on the cross section at any height of jacking post is in center Symmetrical structure, for jacking post in lifting process, symmetrical column all mentions the scroll of the two sides of jacking post sustained height For support force, so that the stress of jacking post is more uniform.At the same time it can also increase the intensity of scroll, scroll is improved Service life increases the safety of elevator.Revolving support, the revolution are additionally provided between the bearing plate 1 and jacking post 2 Support is the bearing being coaxially disposed with the jacking post 2.

When implementation, the lower surface or the guiding groove 31 of the scroll 21 are also equipped with one layer by resistance on surface upward The sliding block 22 of material production is ground, the sliding block 22 is bolted on lower surface or the guiding groove 31 of the scroll 21 On surface upward.

When it is implemented, the sliding block is manufactured using low-alloy tool steel.In this way, be conducive to improve sliding block intensity and Wearability.

When implementation, several rotatable rollers 32, the guiding groove 31 have in axial direction been placed equidistant on the column 3 For the groove of the middle part of the roller 32 in a ring is arranged in；The upper and lower ends of the roller 32 are mounted obliquely within by bearing On the column 3, keep the surface of the guiding groove 31 upward parallel with the lower surface of the scroll 21 of respective side.

When implementation, the guiding device is the guide sleeve 6 that can be set in up or down on the column 3, described to lead The length matched to set 6 with the column 3 is greater than the width of the guiding groove 31；The bearing plate 1 is fixedly connected on described On guide sleeve 6.

When implementation, the upper and lower ends for the side that the guide sleeve 6 is matched with the column 3 are along the separate column 3 Direction is obliquely installed.

In this way, can also be guided by the side that both ends are obliquely installed even if guide sleeve is passing through a little deflection of guiding groove Guide sleeve can improve the running stability of mechanism swimmingly by the guiding groove on column.

When implementation, there is the sliding slot being arranged along short transverse on the two sides of the column 3 along circumferential direction；The jacking post Several protective plates that the jacking post 2 is covered around circumferential direction are additionally provided on 2, the both ends of the protective plate along circumferential direction can It is slidably mounted in the sliding slot of the two neighboring column 3；It is formed between the protective plate and the jacking post 2 for storing The lubricating cavity of lubricating grease.

When implementation, the driving device includes the motor for being fixed at 1 bottom of bearing plate, the rotor of the motor Connection is mounted in the jacking post 2.

When implementation, the driving device further includes the planetary reducer being fixed in the jacking post 2, described The rotor coaxial of motor is connected on the input shaft of the planetary reducer.

Embodiment 2: as shown in figure 4, difference from example 1 is that, on the surface of the guiding groove 31 upward also Where spherical pore with recessed setting, the spherical pore, which is embedded in, is provided with rotatable ball, and the upper end of ball is exposed Surface.

When implementation, the lower surface of the scroll 21 has the groove being arranged along scroll, and the section of the groove is in circle Arc, and the radius of circular arc is consistent with the ball bearing radius；The height phase that the depth of the groove is exposed with the ball Match, cooperates the groove of the scroll 21 when on the ball, the lower surface of the scroll 21 and the guiding groove 31 There is gap between surface upward.

Also there is the oil groove for storing lubricating oil when implementation, in the spherical pore of the guiding groove.In this way, in lubricating oil Under lubricating action, is conducive to the flexibility for improving ball, reduces the abrasion of ball.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims

1. a kind of spiral vertical-lift mechanism, including horizontally disposed bearing plate (1), it is mounted vertically in the bearing plate (1) bottom Portion and can around the jacking post (2) that own axes rotate, circumferentially close to the jacking post (2) arrangement it is several be vertically arranged it is vertical Column (3) and the driving being arranged between the bearing plate (1) and jacking post (2) for driving the jacking post (2) to rotate fill It sets；There is the scroll (21) for highlightedly coiling setting upwards around jacking post spiral on the periphery of the jacking post (2)；It is described Column (3) has the guiding groove (31) of equidistant interval setting along its length, the guidance towards the side of the jacking post (2) Slot (31) along the scroll (21) coil direction penetrate through setting, and the two neighboring guiding groove (31) of same column away from It is identical from the lead of the scroll (21)；The week of guiding groove (31) on several columns (3) along the jacking post (2) The consistent helical pattern of scroll described in Xiang Chengyu (21)；The scroll (21) is equipped in several columns (3) in guiding groove (31), and it can lean under the guidance for itself being rotated in the guiding groove (31) and go up and down；It further include for guiding The bearing plate (1) moves up and down, and the guiding device for preventing the bearing plate (1) from rotating；The scroll (21) is in circumferential direction On be provided at least two；It is characterized in that, being in axial direction placed equidistant with several rotatable rollers on the column (3) (32), the guiding groove (31) is the groove being arranged at the middle part of the roller (32) in a ring；Above and below the roller (32) Both ends are mounted obliquely on the column (3) by bearing, make the institute of the guiding groove (31) surface upward and respective side The lower surface for stating scroll (21) is parallel；On the surface of the lower surface or the guiding groove (31) of the scroll (21) upward It is also equipped with one layer of sliding block (22) made by wear-resistant material, the sliding block (22) is bolted on the scroll (21) Lower surface or the guiding groove (31) surface upward on；Have on the two sides of the column (3) along circumferential direction along height The sliding slot of direction setting；Several protection that the jacking post (2) is covered around circumferential direction are additionally provided on the jacking post (2) Plate, the both ends of the protective plate along circumferential direction are slidably mounted in the sliding slot of the two neighboring column (3)；It is described anti- The lubricating cavity for being used for storing lubricating grease is formed between backplate and the jacking post (2).

2. spiral vertical-lift as described in claim 1 mechanism, which is characterized in that on the surface of the guiding groove (31) upward Also with the spherical pore of recessed setting, the spherical pore, which is embedded in, is provided with rotatable ball, and institute is exposed in the upper end of ball On surface.

3. spiral vertical-lift as claimed in claim 2 mechanism, which is characterized in that the lower surface of the scroll (21) has Along the groove of scroll setting, the section of the groove is arc-shaped, and the radius of circular arc is consistent with the ball bearing radius；It is described The height that the depth of groove is exposed with the ball matches, and cooperates the groove of the scroll (21) on the ball When, there is between the surface of the lower surface and the guiding groove (31) of the scroll (21) upward gap.

4. spiral vertical-lift as described in claim 1 mechanism, which is characterized in that the guiding device is that can move up and down Ground is set in the guide sleeve (6) on the column (3), and the length that the guide sleeve (6) matches with the column (3) is greater than institute State the width of guiding groove (31)；The bearing plate (1) is fixedly connected on the guide sleeve (6).

5. spiral vertical-lift as claimed in claim 4 mechanism, which is characterized in that the guide sleeve (6) and the column (3) The upper and lower ends of the side matched are obliquely installed along the direction far from the column (3).

6. spiral vertical-lift as described in claim 1 mechanism, which is characterized in that the driving device includes being fixed at The rotor connection of the motor of bearing plate (1) bottom, the motor is mounted on the jacking post (2).

7. spiral vertical-lift as claimed in claim 6 mechanism, which is characterized in that the driving device further includes fixed setting Planetary reducer on the jacking post (2), the rotor coaxial of the motor are connected to the planetary reducer Input shaft on.