CN214467574U

CN214467574U - Linkage type lifting column module

Info

Publication number: CN214467574U
Application number: CN202120493923.0U
Authority: CN
Inventors: 曲向东; 王秀珠
Original assignee: Shenzhen St Video Technology Co ltd
Current assignee: Shenzhen St Video Technology Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-22
Anticipated expiration: 2031-03-08

Abstract

The utility model discloses a interlock formula lift post module, it includes the base, install the outer cylinder on this base, install in the well cylinder of outer cylinder inner wall and install in the center lift post of well cylinder inner wall through the mode of liftable with the mode of liftable, install on this base and be used for driving the lift actuating mechanism that this center cylinder goes up and down, install on this well cylinder and be used for ordering about the synchronous cog belt interlock subassembly that center lift post goes up and down, and this synchronous cog belt interlock subassembly still connects between outer cylinder inner wall and center lift post outer wall. When the lifting device works, the lifting driving mechanism drives the middle column body and the synchronous cog belt linkage assembly to ascend, the synchronous cog belt linkage assembly drives the central lifting column to ascend and descend relative to the base, the central lifting column also extends out of the upper end of the middle column body, secondary lifting is achieved, the whole lifting operation is stable, the lifting stroke can be greatly improved under the condition that the whole height is not increased, and different adjusting requirements are met.

Description

Linkage type lifting column module

The technical field is as follows:

the utility model relates to a lifting device technical field refers in particular to a interlock formula lift post module.

Background art:

the lifting column is a lifting mechanism and widely applied to various fields, for example, the lifting column is used for supporting a camera pan head so as to control the camera pan head to lift and lower to adjust different heights, so as to meet different use requirements.

The existing lifting column generally adopts one-stage lifting, namely a driving mechanism is adopted to drive a central column to lift, under the condition of not changing the overall height, the stroke of the lifting column is short, the lifting height adjustment cannot meet the use requirements of certain long strokes, and great troubles are caused to users.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a interlock formula lift post module.

In order to solve the technical problem, the utility model discloses a following technical scheme: the linkage type lifting column module comprises a base, an outer column body arranged on the base, a middle column body arranged on the inner wall of the outer column body in a lifting mode, a central lifting column arranged on the inner wall of the middle column body in the lifting mode, a lifting driving mechanism arranged on the base and used for driving the middle column body to lift, and a synchronous toothed belt linkage assembly arranged on the middle column body and used for driving the central lifting column to lift, wherein the synchronous toothed belt linkage assembly is further connected between the inner wall of the outer column body and the outer wall of the central lifting column.

Furthermore, among the above-mentioned technical scheme, synchronous cog belt linkage assembly is including installing in the last belt pulley of both ends and rotatable and lower belt pulley on this center cylinder body and installing in the synchronous cog belt between this last belt pulley and lower belt pulley, and this synchronous cog belt inboard is through first pinion rack cooperation screw and central lift post outer wall lower extreme fixed mounting, and this synchronous cog belt outside is through second pinion rack cooperation screw and outer cylinder body inner wall upper end fixed mounting.

Further, in the above technical solution, the upper belt pulley is mounted on a first shaft body, a first bearing and a second bearing are respectively mounted at two ends of the first shaft body, the first bearing and the second bearing are respectively mounted on a first synchronizing seat and a second synchronizing seat, and the first synchronizing seat and the second synchronizing seat are both fixed at the upper end of the middle column body; the lower belt pulley is arranged on the second shaft body, a third bearing and a fourth bearing are respectively arranged at two ends of the second shaft body, the third bearing and the fourth bearing are respectively arranged on a third synchronous seat and a fourth synchronous seat, and the third synchronous seat and the fourth synchronous seat are both fixed at the lower end of the middle column body.

Furthermore, among the above-mentioned technical scheme, outer column is including being fixed in the first aluminium alloy on this base and through the first apron of screw fixation in this first aluminium alloy upper end, is provided with first window on this first apron, and this center pillar body upper end is passed this first window and is exported outside this first apron upper end.

Furthermore, in the above technical solution, the center pillar includes a second aluminum profile installed on the inner wall of the outer pillar in a liftable manner and a second cover plate fixed to the upper end of the second aluminum profile by screws, the second cover plate is provided with a second window, and the upper end of the center lifting pillar passes through the second window and is output outside the upper end of the second cover plate; wherein, first longitudinal slide rail is installed to this outer cylinder inner wall, and first slider is installed to second aluminium alloy outer wall, and this first slider is installed on first longitudinal slide rail.

Furthermore, in the above technical solution, the central lifting column includes a third aluminum profile installed on the inner wall of the central column in a lifting manner and a support flange fixed to the upper end of the third aluminum profile by screws; wherein, the second longitudinal slide rail is installed to this center pillar internal wall, and the second slider is installed to third aluminium alloy outer wall, and this second slider is installed on the second longitudinal slide rail.

Furthermore, in the above technical scheme, the lifting driving mechanism includes a support installed on the base, a bearing seat installed in the support, a screw rod inserted into the bearing seat, a servo motor assembly for driving the screw rod to rotate, and a driving shaft sleeve which is sleeved on the screw rod and can be driven by the screw rod to lift, wherein the driving shaft sleeve is fixedly connected with the lower end of the middle column body, and the screw rod is vertically inserted into the central lifting column.

Furthermore, in the above technical solution, the servo motor assembly includes a servo motor mounted on the base, a first belt pulley mounted on a rotating shaft of the servo motor, a second belt pulley mounted at a lower end of the screw rod, and a belt mounted between the first belt pulley and the second belt pulley, and the base is mounted with a plurality of tension pulleys, and the tension pulleys are in contact with the belt.

Furthermore, in the above technical solution, the servo motor assembly further includes a power-off brake, a third belt pulley is installed on a shaft body of the power-off brake, and the belt further bypasses the third belt pulley.

Further, in the above technical solution, a first cable protection box and a first drag chain connected to the first cable protection box are disposed between the upper end of the outer column and the upper end of the middle column; a second cable protection box and a second drag chain connected with the second cable protection box are arranged between the upper end of the central column body and the upper end of the central lifting column; the outer cylinder outer wall is provided with a first probe and a second probe which are used for detecting the lifting height of the middle cylinder.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses at the during operation, rise by this center pillar relative base of lift actuating mechanism drive, the center pillar body can take synchronous cog belt linkage assembly to rise at the in-process that rises, and order about by this synchronous cog belt linkage assembly and go up and down on the relative base of center lift post, make this center pillar body and the linkage of center lift post rise, and can order about at last that center lift post rises and stretch out outside this center pillar body upper end, with this realization second grade lift, and whole lift operation is stable, and can improve the lift stroke greatly under the condition that does not increase overall height, with this regulation requirement that satisfies the difference, it is very convenient to use.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is an internal assembly view of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-4, the linked lifting column module includes a base 1, an outer column 2 installed on the base 1, a middle column 3 installed on an inner wall of the outer column 2 in a lifting manner, a central lifting column 4 installed on an inner wall of the middle column 3 in a lifting manner, a lifting driving mechanism 5 installed on the base 1 and used for driving the middle column 3 to lift, and a synchronous cog belt link assembly 6 installed on the middle column 3 and used for driving the central lifting column 4 to lift, wherein the synchronous cog belt link assembly 6 is further connected between an inner wall of the outer column 2 and an outer wall of the central lifting column 4. The utility model discloses at the during operation, 1 relative base of this center post body 3 rises by 5 drives of lift actuating mechanism, the center post body 3 can take synchronous cog belt linkage assembly 6 to rise at the in-process that rises, and order about by this synchronous cog belt linkage assembly 6 and go up and down on the relative base of center lift post 4, make this center post body 3 rise with the 4 interlocks of center lift post, and can order about center lift post 4 at last and rise and stretch out outside 3 upper ends of this center post body, with this realization second grade lift, and whole lift operation is stable, and can improve the lift stroke greatly under the condition that does not increase overall height, with this regulation requirement that satisfies the difference, it is very convenient to use.

Synchronous cog belt link assembly 6 is including installing in this middle column body 3 about both ends and rotatable last belt pulley 61 and lower belt pulley 62 and installing in this last belt pulley 61 and the synchronous cog belt 63 down between belt pulley 62, this synchronous cog belt 63 inboard through first pinion rack 631 cooperation screw with central lift post 4 outer wall lower extreme fixed mounting, this synchronous cog belt 63 outside through second pinion rack 632 cooperation screw and outer column body 2 inner wall upper end fixed mounting. When the middle cylinder 3 is lifted, the synchronous cog belt link assembly 6 works, when the upper belt pulley 61 and the lower belt pulley 62 are lifted along with the middle cylinder 3, because the inner side of the synchronous cog belt 63 is fixedly mounted with the lower end of the outer wall of the central lifting column 4 through the first toothed plate 631 matching screw, and the outer side of the synchronous cog belt 63 is fixedly mounted with the upper end of the inner wall of the outer cylinder 2 through the second toothed plate 632 matching screw, at this time, under the limitation of the synchronous cog belt 63, the upper belt pulley 61 and the lower belt pulley 62 both rotate and drive the synchronous cog belt 63 to move, and because the outer cylinder 2 is stationary, and the outer side of the synchronous cog belt 63 is fixedly mounted with the upper end of the inner wall of the outer cylinder 2 through the second toothed plate 632 matching screw, the central lifting column 4 can be driven to lift, at this time, the middle cylinder 3 is lifted relative to the outer cylinder 2, and the central lifting column 4 is lifted relative to the outer cylinder 2, and the rising speed of the central lifting column 4 is higher than that of the middle column body 3, so that the central lifting column 4 can slowly extend out of the middle column body 3; similarly, when the middle column 3 descends, the synchronous cog belt linkage assembly 6 works to drive the central lifting column 4 to descend relative to the middle column 3 so as to retract into the middle column 3, thereby realizing secondary lifting.

The upper belt pulley 61 is mounted on a first shaft body 610, a first bearing and a second bearing are respectively mounted at two ends of the first shaft body 610, the first bearing and the second bearing are respectively mounted on a first synchronous seat 611 and a second synchronous seat 612, and the first synchronous seat 611 and the second synchronous seat 612 are both fixed at the upper end of the middle cylinder body 3, so that the upper belt pulley 61 can rotate; the lower belt pulley 62 is mounted on the second shaft body 620, the third bearing and the fourth bearing are mounted at two ends of the second shaft body 620 respectively, the third bearing and the fourth bearing are mounted on the third synchronous seat 621 and the fourth synchronous seat 622 respectively, and the third synchronous seat 621 and the fourth synchronous seat 622 are fixed at the lower end of the middle cylinder body 3, so that the lower belt pulley 62 can rotate.

The outer column body 2 includes a first aluminum profile 21 fixed on the base 1 and a first cover plate 22 fixed on the upper end of the first aluminum profile 21 by screws, a first window 221 is disposed on the first cover plate 22, and the upper end of the middle column body 3 passes through the first window 221 and is output outside the upper end of the first cover plate 22. The first aluminum profile 21 and the first cover plate 22 are adopted as the outer cylinder 2, so that the structure is simple and convenient, and the assembly is convenient.

The middle column 3 comprises a second aluminum profile 31 arranged on the inner wall of the outer column 2 in a lifting mode and a second cover plate 32 fixed at the upper end of the second aluminum profile 31 through screws, and the middle column is simple and convenient in structure and convenient to assemble; the second cover plate 32 is provided with a second window 321, and the upper end of the central lifting column 4 passes through the second window 321 and is output outside the upper end of the second cover plate 32; wherein, first longitudinal slide rail 23 is installed to this outer cylinder 2 inner wall, and first slider 33 is installed to 31 outer walls of second aluminium alloy, and this first slider 33 is installed on first longitudinal slide rail 23 to this makes center pillar body 3 can stabilize and go up and down relatively outer cylinder 2, and its precision is high, and stability is good.

The central lifting column 4 comprises a third aluminum profile 41 which is arranged on the inner wall of the central column body 3 in a lifting way and a supporting flange 42 which is fixed at the upper end of the third aluminum profile 41 through screws; the structure is simple and convenient, and the assembly is convenient; wherein, second longitudinal slide rail 34 is installed to this center pillar body 3 inner wall, and second slider 43 is installed to third aluminium alloy 41 outer wall, and this second slider 43 is installed on second longitudinal slide rail 34. Therefore, the central lifting column 4 can stably and mutually lift the central column body 3, and the precision is high and the stability is good.

The lifting driving mechanism 5 includes a bracket 51 installed on the base 1, a bearing seat 52 installed in the bracket 51, a screw 53 inserted into the bearing seat 52, a servo motor assembly 54 for driving the screw 53 to rotate, and a driving shaft sleeve 55 sleeved on the screw 53 and driven by the screw 53 to lift, wherein the driving shaft sleeve 55 is fixedly connected with the lower end of the middle column 3, and the screw 53 is also vertically inserted into the central lifting column 4. The lifting driving mechanism 5 adopts the servo motor component 54 to match with the screw rod 53 to drive the middle column body 3 to lift, and has high precision and good stability.

The servo motor assembly 54 includes a servo motor 541 mounted on the base 1, a first belt pulley 542 mounted on a rotating shaft of the servo motor 541, a second belt pulley 543 mounted at a lower end of the lead screw 53, and a belt 544 mounted between the first belt pulley 542 and the second belt pulley 543, and a plurality of tension pulleys 545 are mounted on the base 1, and the tension pulleys 545 are in contact with the belt 544, so as to ensure that the belt 544 and the first and

second belt pulleys

542 and 543 stably operate.

The servo motor assembly 54 further includes an electric loss brake 546, a third belt pulley 547 is installed on a shaft of the electric loss brake 546, the belt 544 is wound around the third belt pulley 547, and when the power is off, the electric loss brake 546 controls the third belt pulley 547 to stop rotating, so that the whole servo motor assembly 54 is driven to stop working, and the servo motor 541 is protected.

A first cable protection box 101 and a first drag chain 102 connected with the first cable protection box 101 are arranged between the upper end of the outer column body 2 and the upper end of the middle column body 3, and the first cable protection box 101 and the first drag chain 102 can be used for accommodating cables, so that the cables can be protected, and meanwhile, the cables can be guaranteed to be assembled orderly without influencing normal work; a second cable protection box 103 and a second drag chain 104 connected with the second cable protection box 103 are arranged between the upper end of the middle column 3 and the upper end of the central lifting column 4. The second cable protection box 103 and the second drag chain 104 can contain cables, so that the cables can be protected, and meanwhile, the cables can be assembled orderly without influencing normal work.

The outer wall of the outer cylinder 2 is provided with a first probe 201 and a second probe 202 for detecting the lifting height of the middle cylinder 3, which can be used as travel switches.

To sum up, the utility model discloses at the during operation, 1 rises by this 3 relative bases of center pillar body of lift actuating mechanism 5 drive, the center pillar body 3 can take synchronous cog belt linkage assembly 6 to rise at the in-process that rises, and order about by this 6 relative bases of center lift post 4 to go up and down by this synchronous cog belt linkage assembly, make this center pillar body 3 and the 4 interlocks of center lift post rise, and can order about at last center lift post 4 to rise and stretch out outside 3 upper ends of this center pillar body, with this realization second grade lift, and whole lift operation is stable, and can improve the lift stroke greatly under the condition that does not increase overall height, with this adjustment requirement that satisfies the difference, it is very convenient to use.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a interlock formula lift post module which characterized in that: it includes base (1), install outer cylinder (2) on this base (1), install in center post (3) of this outer cylinder (2) inner wall and install in center lift post (4) of this center post (3) inner wall through the mode of liftable with the mode of liftable, install on this base (1) and be arranged in driving lift actuating mechanism (5) that this center post (3) go up and down, install in this on post (3) and be used for driving about synchronous cog belt interlock subassembly (6) that center lift post (4) goes up and down, and this synchronous cog belt interlock subassembly (6) still connect between outer cylinder (2) inner wall and center lift post (4) outer wall.

2. The linkage type lifting column module as claimed in claim 1, wherein: synchronous cog belt link assembly (6) including install in cylinder (3) about both ends and rotatable go up belt pulley (61) and lower belt pulley (62) and install in synchronous cog belt (63) between this go up belt pulley (61) and lower belt pulley (62), this synchronous cog belt (63) inboard through first pinion rack (631) cooperation screw and central lift post (4) outer wall lower extreme fixed mounting, this synchronous cog belt (63) outside is through second pinion rack (632) cooperation screw and outer cylinder (2) inner wall upper end fixed mounting.

3. The linkage type lifting column module as claimed in claim 2, wherein: the upper belt pulley (61) is mounted on a first shaft body (610), a first bearing and a second bearing are respectively mounted at two ends of the first shaft body (610), the first bearing and the second bearing are respectively mounted on a first synchronous seat (611) and a second synchronous seat (612), and the first synchronous seat (611) and the second synchronous seat (612) are both fixed at the upper end of the middle column body (3); lower belt pulley (62) are installed on second axle body (620), and third bearing and fourth bearing are installed respectively to this second axle body (620) both ends, and this third bearing and fourth bearing are installed respectively in third synchronous seat (621) and fourth synchronous seat (622), and this third synchronous seat (621) and fourth synchronous seat (622) all are fixed in this well cylinder (3) lower extreme.

4. A linkage lifting column module according to any one of claims 1-3, wherein: the outer column body (2) comprises a first aluminum section (21) fixed on the base (1) and a first cover plate (22) fixed at the upper end of the first aluminum section (21) through screws, a first window (221) is arranged on the first cover plate (22), and the upper end of the middle column body (3) penetrates through the first window (221) and is output outside the upper end of the first cover plate (22).

5. A linkage lifting column module according to any one of claims 1-3, wherein: the middle column body (3) comprises a second aluminum profile (31) which is arranged on the inner wall of the outer column body (2) in a lifting mode and a second cover plate (32) which is fixed at the upper end of the second aluminum profile (31) through screws, a second window (321) is arranged on the second cover plate (32), and the upper end of the central lifting column (4) penetrates through the second window (321) and is output outside the upper end of the second cover plate (32); wherein, first longitudinal slide rail (23) are installed to this outer cylinder (2) inner wall, and first slider (33) are installed to second aluminium alloy (31) outer wall, and this first slider (33) are installed on first longitudinal slide rail (23).

6. A linkage lifting column module according to any one of claims 1-3, wherein: the central lifting column (4) comprises a third aluminum profile (41) which is arranged on the inner wall of the middle column body (3) in a lifting mode and a supporting flange (42) which is fixed at the upper end of the third aluminum profile (41) through screws; wherein, second longitudinal slide rail (34) are installed to this well cylinder (3) inner wall, and second slider (43) are installed to third aluminium alloy (41) outer wall, and this second slider (43) are installed on second longitudinal slide rail (34).

7. A linkage lifting column module according to any one of claims 1-3, wherein: the lifting driving mechanism (5) comprises a support (51) arranged on the base (1), a bearing seat (52) arranged in the support (51), a screw rod (53) arranged in the bearing seat (52) in a penetrating mode, a servo motor assembly (54) used for driving the screw rod (53) to rotate, and a driving shaft sleeve (55) which is sleeved on the screw rod (53) and can be driven by the screw rod (53) to lift, wherein the driving shaft sleeve (55) is fixedly connected with the lower end of the middle column body (3), and the screw rod (53) is also vertically arranged in the central lifting column (4) in a penetrating mode.

8. The linkage type lifting column module as claimed in claim 7, wherein: the servo motor assembly (54) comprises a servo motor (541) arranged on the base (1), a first belt pulley (542) arranged on a rotating shaft of the servo motor (541), a second belt pulley (543) arranged at the lower end of the screw rod (53), and a belt (544) arranged between the first belt pulley (542) and the second belt pulley (543), wherein a plurality of tensioning wheels (545) are arranged on the base (1), and the tensioning wheels (545) are in contact with the belt (544).

9. The linkage type lifting column module as claimed in claim 8, wherein: the servo motor component (54) further comprises an electricity loss brake (546), a third belt pulley (547) is mounted on the shaft body of the electricity loss brake (546), and the belt (544) further winds around the third belt pulley (547).

10. A linkage lifting column module according to any one of claims 1-3, wherein: a first cable protection box (101) and a first drag chain (102) connected with the first cable protection box (101) are arranged between the upper end of the outer column body (2) and the upper end of the middle column body (3); a second cable protection box (103) and a second drag chain (104) connected with the second cable protection box (103) are arranged between the upper end of the middle column body (3) and the upper end of the central lifting column (4); the outer wall of the outer cylinder (2) is provided with a first probe (201) and a second probe (202) which are used for detecting the lifting height of the middle cylinder (3).