CN212836947U

CN212836947U - High truss stand column convenient to establish

Info

Publication number: CN212836947U
Application number: CN202021090537.9U
Authority: CN
Inventors: 吴小宝
Original assignee: Henan Wanhe Exhibition Equipment Co ltd
Current assignee: Henan Wanhe Exhibition Equipment Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-30
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a high truss stand of convenient establishment, it includes the stand unit, still includes the foundation column, be connected with the upset stand on the foundation column, lower extreme one side of upset stand is rotated and is connected in the upper end of foundation column, and the upper end of upset stand is used for the connecting post unit, rotate behind the upset stand connecting post unit when vertical state, the lower extreme concatenation of upset stand is in the upper end of foundation column. The utility model discloses have the effect that makes things convenient for the staff to build higher truss stand.

Description

High truss stand column convenient to establish

Technical Field

The utility model belongs to the technical field of the technique of a truss and specifically relates to a high truss stand of convenient establishment is related to.

Background

The stage truss has enough strength and rigidity stability, and the sufficient strength does not generate fracture or plastic deformation; sufficiently rigid, i.e. not subject to excessive elastic deformation; sufficient stability, i.e. no collapse due to sudden transition of the trusses in balanced form, and also stability of the connection between the trusses is very important.

Patent document with publication number CN203430091U discloses a support for stage truss, which comprises a supporting rod and connecting blocks connected to two ends of the supporting rod, wherein the connecting blocks are provided with connecting holes, and the connecting blocks at one end or two ends of the supporting rod are provided with reinforcing members, and the reinforcing members are located in the axial direction of the connecting holes. When the stage truss is used, multiple sections are required to be sequentially connected up and down, then the bolts penetrate through the connecting holes to fix two adjacent sections, the stage truss is generally arranged at 4m-10m and unequal according to the size of a stage, the height of each section is 1 m-2 m, and then 3-5 sections are connected.

However, in the above structure, when the height of the connection exceeds 2m, a person is required to construct a platform or a crane is used for installation, so that the installation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high truss stand of convenient establishment, it has the effect that makes things convenient for the staff to build higher truss stand.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a high truss stand that conveniently establishes, includes the stand unit, still includes the foundation column, be connected with the upset stand on the foundation column, lower extreme one side of upset stand is rotated and is connected in the upper end of foundation column, and the upper end of upset stand is used for connecting the stand unit, when rotating to vertical state behind the upset stand connection post unit, the lower extreme concatenation of upset stand is in the upper end of foundation column.

Through adopting above-mentioned technical scheme, during the use, the vertical subaerial of placing of base stand, the upset stand rotates to be connected on the base stand, rotating the stand that will overturn and being the state of level or downward sloping, make things convenient for the staff to connect the one end that the base stand was kept away from to the upset stand with a plurality of stand unit, connect the stand unit of sufficient length after, then the staff lifts up the upset stand from the one end of stand unit and rotates vertical position to can make the staff more conveniently build higher truss.

The utility model discloses further set up to: the upset stand includes four bracing pieces, is provided with the engaging lug on four bracing pieces adjacent two, and the upset stand passes through the engaging lug and rotates to be connected on basic stand.

Through adopting above-mentioned technical scheme, set up the bracing piece on the upset stand, the bracing piece can splice with foundation column and upset stand, rotates the upset stand through the engaging lug simultaneously and connects on foundation column.

The utility model discloses further set up to: the lower end of the turning upright post is provided with a first connecting plate at a position far away from the connecting lug, the first connecting hole is formed in the first connecting plate, the upper end of the foundation upright post is provided with a second connecting plate, the second connecting hole is formed in the second connecting plate, and the first connecting hole corresponds to the second connecting hole.

Through adopting above-mentioned technical scheme, set up connecting plate one on the stand that overturns, set up connecting plate two on the stand of basis, when the stand that will overturn rotates the upper end of stand of basis, through bolted connection in connecting hole one and connecting hole two to make stand of basis and upset stand fixed connection.

The utility model discloses further set up to: and a driving device for driving the overturning upright post to rotate is arranged between the overturning upright post and the foundation upright post.

Through adopting above-mentioned technical scheme, to set up drive arrangement between upset stand and the basic stand, will overturn the stand through drive arrangement and rotate to can alleviate the staff and lift the work of upset stand.

The utility model discloses further set up to: the driving device comprises a pulley, a take-up pulley and a pull rope, the take-up pulley is rotatably connected to the base upright post, the pulley is installed on the turnover upright post, one end of the pull rope and the base upright post are connected, and the other end of the pull rope penetrates through the pulley and is wound on the take-up pulley.

Through adopting above-mentioned technical scheme, the pulley is connected on the upset stand, and stay cord one end is fixed on basic stand, and the other end winding is on the take-up pulley, rotates through the take-up pulley, can rotate the direction of stand to the basis stand that will overturn through the stay cord to make things convenient for the staff to lift up the upset stand.

The utility model discloses further set up to: the take-up reel is provided with a worm wheel, the worm wheel and the take-up reel are coaxially and fixedly arranged, the worm wheel is connected with a worm, and the worm is meshed with the worm wheel.

By adopting the technical scheme, the worm wheel is connected to the take-up pulley, and when the worm drives the worm wheel to rotate, the work personnel can rotate the take-up pulley conveniently.

The utility model discloses further set up to: a rotating hand wheel is arranged on the worm, and one end of the rotating hand wheel is rotatably connected to the end of the worm.

Through adopting above-mentioned technical scheme, set up the rotation hand wheel on the worm to the tip that rotates the hand wheel rotates with the tip of worm to be connected, rotates the worm back, then will rotate the hand wheel and rotate to the inside of basic stand, avoid the outside influence to the basic stand.

The utility model discloses further set up to: the driving device comprises a jack and two connecting rods, the end parts of the two connecting rods are hinged, one ends of the two connecting rods, which are connected and far away from the mutual splicing, are respectively and rotatably connected to the foundation column and the overturning column, one end of the jack is rotatably connected to the connecting rods, and the other end of the jack is rotatably connected to the foundation column.

Through adopting above-mentioned technical scheme, jack one end is rotated and is connected on the connecting rod, and the other end rotates the switching on the foundation column, and the jack can reduce the contained angle between two connecting rods when the shrink to make the upset stand rotate to the direction of foundation column, thereby lift the upset stand, receive the support of jack simultaneously, can avoid the upset stand to fall to the foundation column fast on, make the rotation of upset stand more steady.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the base stand column is vertically placed on the ground, the overturning stand column is rotatably connected to the base stand column, the overturning stand column is rotated to be in a horizontal or downward-inclined state, a plurality of stand column units are conveniently connected to one end, far away from the base stand column, of the overturning stand column by a worker, after the stand column units with enough length are connected, the overturning stand column is lifted and rotated to a vertical position from one end of each stand column unit by the worker, and therefore the worker can conveniently build a higher truss;

2. the driving device is arranged between the overturning upright post and the foundation upright post, and the overturning upright post is rotated by the driving device, so that the labor of workers for lifting the overturning upright post can be reduced;

3. rotate through jack one end and connect on the connecting rod, the other end rotates the switching on basic stand, and the jack can reduce the contained angle between two connecting rods when the shrink to make the upset stand rotate to basic stand's direction, thereby lift the upset stand, receive the support of jack simultaneously, can avoid the upset stand to fall to basic stand fast on, make the rotation of upset stand more steady.

Drawings

FIG. 1 is a schematic structural diagram of a use state of the first embodiment;

FIG. 2 is a schematic overall structure diagram of the first embodiment;

FIG. 3 is a schematic view of a connection structure of a take-up pulley and a worm wheel according to an embodiment;

fig. 4 is a schematic view of the overall structure of the second embodiment.

In the figure, 1, a column unit; 2. turning over the upright post; 21. a support bar; 22. a reinforcing bar; 23. connecting lugs; 24. a first connecting plate; 241. a first connecting hole; 3. a base column; 31. a support leg; 32. a second connecting plate; 321. a second connecting hole; 33. an auxiliary leg; 4. a pin; 5. a drive device; 51. a pulley; 52. pulling a rope; 53. a take-up pulley; 54. a housing; 55. a worm gear; 56. a worm; 57. rotating a hand wheel; 58. a jack; 581. a connecting member; 59. a connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment one, refer to fig. 1, for the utility model discloses a high truss stand that conveniently establishes, including stand unit 1, upset stand 2 and foundation column 3, foundation column 3 is vertical to be set up subaerial, and upset stand 2 includes four bracing pieces 21 and a plurality of stiffener 22, and four bracing pieces 21 parallel arrangement just are the square distribution, and stiffener 22 is used for connecting and is used for four bracing pieces 21 fixed connection between bracing piece 21. When upset stand 2 is connected in the top of basic stand 3, the vertical setting of four bracing pieces 21 to be used for upwards extending basic stand 3, simultaneously, be used for connecting stand unit 1 in the upper end of upset stand 2, stand unit 1 can set up a plurality ofly, when connecting a plurality of stand units 1 in upset stand 2 tops, stand unit 1 is 2 length direction's of upset extension.

Referring to fig. 2, two adjacent support rods 21 of the turning column 2 are provided with a connecting lug 23, the connecting lug 23 is provided with a pin 4, the upper end of the base column 3 is provided with four support legs 31, the four support legs 31 are used for supporting the lower ends of the four support rods 21, the two support legs 31 and the two connecting lugs 23 are rotatably connected through the pin 4, and when the turning column 2 is rotated right above the base column 3, the two support rods 21 far away from the connecting lugs 23 are supported on the two support legs 31 far away from the pin 4 of the base column 3. During the use, rotate earlier upset stand 2 and be the state of horizontality or downward sloping, then keep away from the stand unit 1 of basic stand 3 at upset stand 2 one end connection enough quantity, then will connect a plurality of stand units 1 on upset stand 2 and rotate on basic stand 3 along with upset stand 2, make upset stand 2 be vertical state to can relatively conveniently build stand unit 1.

Referring to fig. 2, a first connecting plate 24 is arranged at the lower end of the turning upright 2, the first connecting plate 24 is located at a position of the turning upright 2 far away from the connecting lug 23, and the first connecting plate 24 is arranged perpendicular to the support rod 21. Two auxiliary legs 33 are arranged at the upper end of the base upright post 3, the height of each auxiliary leg 33 is equal to that of each supporting leg 31, a second connecting plate 32 is fixedly welded between each auxiliary leg 33 and each supporting leg 31, a first connecting hole 241 is formed in the first connecting plate 24, a second connecting hole 321 is formed in the second connecting plate 32, when the overturning upright post 2 rotates to the vertical position, the first connecting plate 24 is in a horizontal state and is parallel to the second connecting plate 32, and then bolts are connected in the first connecting hole 241 and the second connecting hole 321, so that the overturning upright post 2 is fixedly connected with the base upright post 3.

Referring to fig. 2 and 3, in order to facilitate the rotation of the turning column 2, a driving device 5 is disposed between the turning column 2 and the base column 3, the driving device 5 includes two pulleys 51, one pulley 51 is disposed at the upper end of the base column 3 and away from the position where the base column 3 is rotatably connected to the turning column 2, the other pulley 51 is disposed at the lower end of the turning column 2, and the pulley 51 at the lower end of the turning column 2 is disposed at the position where the turning column 2 is away from the engaging lug 23, a pulling rope 52 is disposed on the two pulleys 51, a housing 54 is fixedly disposed on the base column 3, a take-up pulley 53 is disposed in the housing 54, the take-up pulley is rotatably connected to the housing 54, one end of the pulling rope 52 is fixed to the housing 54, the other end extends out of the housing 54 and is wound around the take-up pulley 53, when the take-up pulley 53 is rotated, the distance between, the pull cord 52 can thereby rotate the tilt column 2 in the direction of the base column 3.

Referring to fig. 3, a worm wheel 55 is fixedly arranged on the take-up pulley 53, the worm wheel 55 and the take-up pulley 53 are coaxially and fixedly arranged, a worm 56 is arranged in the casing 54, the worm 56 is rotatably connected to the casing 54, the worm 56 is meshed with the worm wheel 55, a rotating hand wheel 57 is arranged at the end of the worm 56, the end of the rotating hand wheel 57 is rotatably connected with the end of the worm 56, and the rotating axis of the rotating hand wheel 57 and the worm 56 is perpendicular to the central line of the worm 56. The worm 56 is rotated by rotating the hand wheel 57, so that the worm wheel 55 drives the take-up pulley 53 to rotate, the rotation of the turning upright post 2 is light, and meanwhile, after the turning upright post 2 is turned, the rotating hand wheel 57 is rotated into the upright post of the foundation, so that the influence on the outer side of the foundation upright post 3 is prevented.

Embodiment two, referring to fig. 4, for the conveniently-built high truss column disclosed by the present invention, the difference from embodiment one is that the driving device 5 comprises a jack 58 and two connecting rods 59, one end of one connecting rod 59 is rotatably connected to the turning column 2, and the rotating connection point with the turning column 2 is far away from the side of the turning column 2 where the connection lug 23 is installed, one end of the other connecting rod 59 is rotatably connected to the base column 3, and the connection point with the base column 3 is far away from the rotating connection position of the base column 3 and the turning column 2, and then the free ends of the two connections are rotatably connected to each other, and two ends of the jack 58 are respectively fixedly provided with a connection member 581, one connection member 581 is rotatably connected to the middle rotating connection position of the two connecting rods 59, the other connection member 581 is rotatably connected to the base column 3 and connected to the middle position of the base column 3, the jack 58 is of a scissor structure, and when the jack 58 is contracted, the overturning upright post 2 can be rotated in the vertical direction, and when the jack 58 is extended, the overturning upright post 2 can be rotated in the horizontal direction.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high truss stand of conveniently establishing, includes stand unit (1), its characterized in that: still include foundation column (3), be connected with upset stand (2) on foundation column (3), the lower extreme one side of upset stand (2) is rotated and is connected in the upper end of foundation column (3), and the upper end of upset stand (2) is used for connecting stand unit (1), when rotating to vertical state after upset stand (2) connects stand unit (1), the lower extreme concatenation of upset stand (2) is in the upper end of foundation column (3).

2. A high truss column easy to erect as claimed in claim 1 wherein: the overturning upright column (2) comprises four supporting rods (21), two adjacent supporting rods (21) are provided with connecting lugs (23), and the overturning upright column (2) is rotatably connected to the base upright column (3) through the connecting lugs (23).

3. A high truss column easy to erect as claimed in claim 2, wherein: the position that the lower extreme of upset stand (2) kept away from engaging lug (23) is provided with connecting plate (24), connecting hole (241) have been seted up on connecting plate (24), the upper end of basic stand (3) is provided with connecting plate two (32), connecting hole two (321) are gone up to connecting plate two (32), connecting hole one (241) and connecting hole two (321) correspond.

4. A high truss column easy to erect as claimed in any one of claims 1 to 3 wherein: and a driving device (5) for driving the overturning upright post (2) to rotate is arranged between the overturning upright post (2) and the base upright post (3).

5. A high truss column easy to erect as claimed in claim 4, wherein: the driving device (5) comprises a pulley (51), a take-up pulley (53) and a pull rope (52), the take-up pulley (53) is rotatably connected to the base upright post (3), the pulley (51) is installed on the overturning upright post (2), one end of the pull rope (52) and the base upright post (3) are connected, and the other end of the pull rope penetrates through the pulley (51) and is wound on the take-up pulley (53).

6. A high truss column easy to erect as claimed in claim 5, wherein: the winding wheel (53) is provided with a worm wheel (55), the worm wheel (55) and the winding wheel (53) are coaxially and fixedly arranged, the worm wheel (55) is connected with a worm (56), and the worm (56) is meshed with the worm wheel (55).

7. A high truss column easy to erect as claimed in claim 6 wherein: a rotating hand wheel (57) is arranged on the worm (56), and one end of the rotating hand wheel (57) is rotatably connected to the end part of the worm (56).

8. A high truss column easy to erect as claimed in claim 4, wherein: drive arrangement (5) include jack (58) and two connecting rods (59), and the tip of two connecting rods (59) is articulated, and two connections are kept away from the one end of splicing each other and are rotated respectively and connect on basic stand (3) and upset stand (2), the one end of jack (58) is rotated and is connected on connecting rod (59), and the other end is rotated and is connected on basic stand (3).