CN114135771A

CN114135771A - Synchronous height adjusting framework

Info

Publication number: CN114135771A
Application number: CN202111495437.3A
Authority: CN
Inventors: 刘小峰
Original assignee: Shanghai Yingpu Technology Co ltd
Current assignee: Shanghai Yingpu Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-03-04

Abstract

The invention discloses a synchronous height adjustment frame, comprising: an upper cover, the lower side of the upper cover is provided with a plurality of first axle seats distributed in an annular shape and arranged at intervals; a lower cover located under the upper cover, the lower The cover is provided with a plurality of first nuts, and the plurality of first nuts are arranged below the plurality of the first shaft seats in a one-to-one correspondence; a plurality of lead screws, the upper ends of the plurality of the lead screws are in a one-to-one correspondence After being screwed together with a plurality of the first nuts, they are connected to a plurality of the first shaft seats in a one-to-one correspondence, each of the lead screws is provided with a synchronous wheel, and the plurality of the synchronous wheels pass through a synchronous belt Transmission connection; support legs, the lower end of each lead screw is screwed into one of the support legs. Rotate one of the lead screws, and the lower end of the lead screw rotates out or advances relative to the support leg, so that the lead screw rises or falls as a whole. Lift and lower the upper cover as a whole.

Description

Synchronous height adjusting framework

Technical Field

The invention relates to the technical field of lifting devices, in particular to a synchronous height adjusting framework.

Background

In the process of mass repetitive industrial production, the machine vision detection method can greatly improve the production efficiency and the automation degree. Under the background, a camera is used as a sensor to detect the physical characteristics of a detected object, and the development direction of industrial application is formed. Based on the use environment and the cost requirement, the current factory mainly uses a fixed-focus lens. However, for variable or unpredictable shooting heights, shooting object sizes, and the like, relatively highly-invariant working conditions are required. The fixed-focus lens has insufficient shooting height, which causes the size of the object shot by the lens to be incomplete and the depth of field to be insufficient. In this case, the shooting height needs to be increased to meet the shooting requirement, otherwise, the feature points cannot be well captured, and the purpose of good recognition cannot be achieved. Therefore, the height of the bracket can be adjusted to meet the requirement of the camera. The supporting legs of the conventional height adjusting support can be adjusted in height, but are required to be adjusted respectively, and synchronous adjustment cannot be performed.

Disclosure of Invention

Therefore, the invention provides a synchronous height adjusting framework to solve the problem of asynchronous height adjustment caused by the fact that supporting legs need to be adjusted respectively in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

a synchronous height adjustment armature comprising:

the lower side surface of the upper cover is provided with a plurality of first shaft seats which are distributed annularly and are arranged at intervals;

the lower cover is positioned below the upper cover and is provided with a plurality of first nuts, and the first nuts are arranged below the first shaft seats in a one-to-one correspondence manner;

the upper ends of the lead screws are screwed with the first nuts in a one-to-one correspondence manner and then are connected with the first shaft seats in a one-to-one correspondence manner, each lead screw is provided with a synchronous wheel, and the synchronous wheels are in transmission connection through a synchronous belt;

and the lower end of each lead screw is screwed in one supporting leg.

Furthermore, a handle is arranged on the part, located between the lower cover and the supporting legs, of each screw rod in a penetrating mode.

Furthermore, the upper cover is a shell with an opening at the lower end, the lower cover is a shell with an opening at the upper end, the upper cover is movably buckled on the lower cover, and an accommodating space is formed between the upper cover and the lower cover to arrange the first shaft seat and/or the first nut.

Further, synchronizing wheel and hold-in range all are located in the accommodation space still be equipped with the direction idler in the accommodation space, the direction idler with upper cover and/or lower cover are fixed mutually, and adjacent two be equipped with at least one between the synchronizing wheel the direction idler, the direction idler with hold-in range rolling contact.

Furthermore, a plurality of first threaded holes are formed in the side portion of the lower cover, a plurality of vertical first waist-shaped holes are formed in the side portion of the upper cover, the first waist-shaped holes and the first threaded holes are arranged in a one-to-one correspondence mode, each first threaded hole is screwed into one first guide rod, and the first guide rods can slide along the first waist-shaped holes.

Further, the supporting leg includes that the lower extreme is equipped with open support shell, the top of supporting the shell is equipped with the second nut, the lead screw with the second nut closes soon.

Further, the supporting leg still includes stabilizes the fly leaf, stabilize the fly leaf set up in support the shell in, the border of stabilizing the fly leaf with the inner wall non-fixed counterbalance of support the shell, the upside of stabilizing the fly leaf is equipped with the second shaft seat, the lower extreme of lead screw with the second shaft seat is connected.

Further, the border of stabilizing the fly leaf is equipped with the riser, the riser with the inner wall non-fixed counterbalance of support shell, the riser is equipped with a plurality of second screw holes, the lateral part of supporting the shell is equipped with a plurality of vertical second waist type holes, second waist type hole with second screw hole one-to-one sets up, every second screw hole closes a second guide bar soon, the second guide bar can be followed second waist type hole slides.

The invention has the following advantages:

one of the lead screws is rotated, the lower end of the lead screw is screwed out or screwed in relative to the supporting leg, so that the lead screw integrally ascends or descends, and under the action of the synchronizing wheel and the belt wheel, the rest lead screws synchronously rotate, so that the lead screws synchronously ascend and descend, and the upper cover integrally ascends or descends.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.

Fig. 1 is a schematic structural diagram of a synchronous height adjustment framework according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an upper cover and a lower cover of a synchronous height adjusting framework according to an embodiment of the present invention after being turned over;

FIG. 3 is a schematic structural view of the synchronous height adjustment framework of the present invention with the upper cover removed;

FIG. 4 is a schematic structural view of the synchronous height adjustment framework of the present invention with the upper cover and the lower cover removed;

FIG. 5 is a cross-sectional view A-A of FIG. 1;

FIG. 6 is a schematic structural view (cross-sectional view) of a support leg of the synchronous height adjustment framework provided by an embodiment of the present invention;

FIG. 7 is an enlarged view of B in FIG. 2;

FIG. 8 is an enlarged view of C in FIG. 4;

FIG. 9 is an enlarged view of D in FIG. 5;

fig. 10 is an enlarged view of E in fig. 5.

In the figure:

1-an upper cover, 11-a code pasting plate, 12-a first shaft seat, 13-a guide idler wheel and 14-a first waist-shaped hole;

2-a lower cover, 21-a code scanning hole, 22-a first nut, 23-a first guide rod;

3-a screw rod, 31-a synchronous wheel, 32-a synchronous belt and 33-a handle;

4-support legs, 41-support shells, 42-second nuts, 43-stable movable plates, 44-second shaft seats, 45-vertical plates, 46-second kidney-shaped holes and 47-second guide rods.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

As shown in fig. 1 to 10, the present embodiment provides a synchronous height adjusting framework, which comprises an upper cover 1, a lower cover 2, four lead screws 3 and four support legs 4.

A code pasting plate 11 is arranged at the center of the lower side of the upper cover 1 and pasted with a code for scanning; the center of the lower cover 2 is provided with a code scanning hole 21. The upper cover 1 is used for fixing a platform or a shelf bottom for supporting goods. The upper cover 1 is a shell with an opening at the lower end and can be rectangular or shaped like a Chinese character tian. The lower cover 2 is a shell with an opening at the upper end, and the shape of the shell is the same as that of the upper cover 1. An accommodating space is formed between the upper cover 1 and the lower cover 2. The accommodating space is a rectangular space or a channel shaped like a Chinese character 'tian' (in the present embodiment, a square channel of the channel shaped like a Chinese character 'tian' is mainly used). The upper cover 1 is buckled on the lower cover 2, and a side plate of the upper cover 1 covers a side plate of the lower cover 2; or, the lower cover 2 is buckled under the upper cover 1, and the side plate of the lower cover 2 covers the side plate of the upper cover 1. In the embodiment and the drawings, the upper cover 1 is buckled on the lower cover 2. The lower side surface of the upper cover 1 is provided with four first shaft seats 12, the four first shaft seats 12 are positioned in the accommodating space, and the four first shaft seats 12 are respectively positioned at four vertex angles of the square passage (in one form of annular distribution, the accommodating space is different in shape and annular distribution). The lower cover 2 is provided with four first nuts 22, and the four first nuts 22 are arranged below the four first shaft holders 12 in a one-to-one correspondence manner. Obviously, the fixing place of the first nut 22 and the lower cover 2 must be provided with a hole, so that the screw rod 3 and the first nut 22 are screwed together. Obviously, the first nut 22 may be in the receiving space, and may also be on the lower side of the lower cover 2.

The upper ends of the four lead screws 3 are screwed with the four first nuts 22 in a one-to-one correspondence and then are connected with the four first shaft seats 12 in a one-to-one correspondence. Each lead screw 3 is provided with a synchronous wheel 31, a plurality of synchronous wheels 31 are in transmission connection through a synchronous belt 32, and the synchronous wheels 31 are in meshing connection with the synchronous belts 32; alternatively, the timing wheel 31 may be a sprocket and the timing belt 32 may be a chain.

The lower end of each lead screw 3 is screwed in one supporting leg 4.

Rotate one of them lead screw 3, the relative supporting leg 4 of lead screw 3 lower extreme is screwed out or is screwed in to make the whole rising of lead screw 3 or descend, under the effect of synchronizing wheel 31 and band pulley, all the other lead screws 3 synchronous rotation, thereby guarantee that individual lead screw 3 goes up and down in step, and then make the whole rising of upper cover 1 or descend.

Generally, a handle 33 is arranged between the lower cover 2 and the supporting leg 4 of each lead screw 3 in a penetrating way; for example, a hole is vertically drilled in the middle of the screw rod 3, and a steel rod is penetrated as a handle 33. During adjustment, only one handle 33 needs to be held, and the screw rod 3 connected with the handle 33 needs to be rotated.

The timing wheel 31 and the timing belt 32 are both located in the accommodating space. A guide idle wheel 13 is also arranged in the accommodating space, and the guide idle wheel 13 is fixed with the upper cover 1 and/or the lower cover 2; in the present embodiment and the drawings, the guide idle gear 13 is fixed to the upper cover 1. At least one guide idle wheel 13 is arranged between two adjacent synchronous wheels 31, and the guide idle wheel 13 is in rolling contact with the synchronous belt 32; in the present embodiment and the drawings, four idler guide wheels 13 are provided, and are respectively located between the two synchronizing wheels 31. Through setting up direction idler 13, can tensioning hold-in range 32, can play the supporting role to hold-in range 32 flagging position again, avoid hold-in range 32 and synchronizing wheel 31 to break away from.

In this embodiment, a plurality of first threaded holes are formed in the side portion of the lower cover 2, a plurality of vertical first kidney-shaped holes 14 are formed in the side portion of the upper cover 1, the first kidney-shaped holes 14 are arranged in one-to-one correspondence with the first threaded holes, each first threaded hole is screwed with one first guide rod 23, and the first guide rods 23 can slide along the first kidney-shaped holes 14. The first guide bar 23 may be a screw or a thumb screw, etc. When the upper cover 1 is lifted, the first guide rod 23 plays a role in balancing and limiting.

In this embodiment, the support leg 4 includes a support shell 41 with an opening at the lower end, a second nut 42 is disposed at the top of the support shell 41, and the screw rod 3 is screwed with the second nut 42. The supporting leg 4 further comprises a stable movable plate 43, the stable movable plate 43 is disposed in the supporting shell 41, the edge of the stable movable plate 43 is non-fixedly abutted against the inner wall of the supporting shell 41, a second shaft seat 44 is disposed on the upper side of the stable movable plate 43, and the lower end of the screw rod 3 is connected with the second shaft seat 44. When the screw rod 3 rotates, the stable movable plate 43 ascends and descends along with the screw rod. Stabilize the border of fly leaf 43 and be equipped with riser 45, riser 45 and the non-fixed counterbalance of inner wall of supporting shell 41, riser 45 is equipped with a plurality of second screw holes, and the lateral part of supporting shell 41 is equipped with a plurality of vertical second waist type holes 46, and second waist type hole 46 sets up with second screw hole one-to-one, and a second guide bar 47 is closed soon to every second screw hole, and second waist type hole 46 can be followed to second guide bar 47 slides. When the stable movable plate 43 is lifted, the second guide rod 47 plays a role of balance and limit.

When the latent jacking AGV enters the center of the bottom of the synchronous height adjusting framework, the upper camera is started to scan and position the code pasting plate; because the shooting height is too low or too high, the camera shooting is too fuzzy. The synchronous height adjusting framework can be adjusted in height by the following method: the lead screw 3 is rotated anticlockwise through any one handle 33, and the other three lead screws 3 are driven to rotate synchronously through the transmission of a synchronizing wheel 31 and a synchronous belt 32; the screw rod 3 and the second nut 42 rotate, the screw rod 3 ascends relative to the support shell 41 to drive the upper cover 1 fixed with the first shaft seat 12 to ascend synchronously and drive the stable movable plate 43 to ascend simultaneously, and the second guide rod 47 plays a role in stabilizing and limiting the ascending of the stable movable plate 43; the screw rod 3 rotates relative to the first nut 22, the height difference between the lower cover 2 and the supporting shell 41 is kept unchanged, the height difference between the upper cover 1 and the lower cover 2 is increased, and the first guide rod 23 plays a role in stabilizing and limiting when the upper cover 1 ascends. Similarly, the screw 3 is rotated counterclockwise, and the screw 3 drives the upper cover 1 and the stable movable plate 43 to descend synchronously. It should be noted that, depending on whether the screw 3 is rotated clockwise or counterclockwise to raise the upper cover 1, the upper cover 1 does not have to be raised by rotating the screw 3 counterclockwise as described above, depending on whether the screw 3 is rotated clockwise or counterclockwise.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A synchronous height adjustment armature, comprising:

the upper ends of the lead screws are connected with the first shaft seats in a one-to-one correspondence mode, each lead screw is provided with a synchronous wheel, and the synchronous wheels are in transmission connection through a synchronous belt;

and the lower end of each lead screw is screwed in one supporting leg.

2. The synchronous height adjusting framework of claim 1, further comprising a lower cover disposed under the upper cover, wherein the lower cover is provided with a plurality of first nuts, the plurality of first nuts are disposed under the plurality of first shaft seats in a one-to-one correspondence manner, and upper ends of the plurality of lead screws are screwed with the plurality of first nuts in a one-to-one correspondence manner and then connected with the plurality of first shaft seats in a one-to-one correspondence manner.

3. The synchronous height adjusting framework of claim 2, wherein a handle is provided through the portion of each screw rod between the lower cover and the support leg.

4. The synchronous height adjusting frame according to claim 2, wherein the upper cover is a housing having an opening at a lower end thereof, the lower cover is a housing having an opening at an upper end thereof, the upper cover is movably fastened to the lower cover, and an accommodating space is provided between the upper cover and the lower cover for accommodating the first shaft seat and/or the first nut.

5. The synchronous height adjusting frame according to claim 4, wherein the synchronizing wheels and the synchronous belts are located in the accommodating space, a guide idle wheel is further arranged in the accommodating space, the guide idle wheel is fixed with the upper cover and/or the lower cover, at least one guide idle wheel is arranged between two adjacent synchronizing wheels, and the guide idle wheel is in rolling contact with the synchronous belts.

6. The synchronous height adjusting skeleton according to claim 4, wherein a plurality of first threaded holes are formed in the side portion of the lower cover, a plurality of vertical first waist-shaped holes are formed in the side portion of the upper cover, the first waist-shaped holes and the first threaded holes are arranged in a one-to-one correspondence, each first threaded hole is screwed with one first guide rod, and the first guide rods can slide along the first waist-shaped holes.

7. The synchronous height adjusting framework of claim 2, wherein the support legs comprise a support shell with an opening at the lower end, a second nut is arranged at the top of the support shell, and the screw rod is screwed with the second nut.

8. The synchronous height adjusting framework of claim 7, wherein the supporting leg further comprises a stable movable plate, the stable movable plate is disposed in the supporting shell, the edge of the stable movable plate is in non-fixed contact with the inner wall of the supporting shell, a second shaft seat is disposed on the upper side of the stable movable plate, and the lower end of the screw is connected with the second shaft seat.

9. The synchronous height adjusting skeleton of claim 8, wherein a vertical plate is disposed at an edge of the stable movable plate and non-fixedly abuts against an inner wall of the supporting shell, the vertical plate is provided with a plurality of second threaded holes, a plurality of vertical second waist-shaped holes are disposed at a side portion of the supporting shell, the second waist-shaped holes are correspondingly disposed with the second threaded holes, each second threaded hole is screwed with a second guide rod, and the second guide rods can slide along the second waist-shaped holes.