CN212534801U

CN212534801U - Truss reinforcement supporting leg

Info

Publication number: CN212534801U
Application number: CN202021089981.9U
Authority: CN
Inventors: 郭磊
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: 2021-02-12
Anticipated expiration: 2030-06-12

Abstract

The utility model relates to a truss reinforcement landing leg, it includes the truss stand, be provided with oblique landing leg on the truss stand, oblique landing leg one end articulates on the truss stand, and the other end supports subaerial, the middle part of oblique landing leg is provided with middle landing leg, middle landing leg one end is fixed on the truss stand, and the other end is fixed on oblique landing leg, the both ends of middle landing leg all rotate with the one end that oblique landing leg and truss stand are connected and are connected with connecting device. The utility model discloses have and support on the upright principal post of truss to improve the stability of truss, reduce the effect of empting.

Description

Truss reinforcement supporting leg

Technical Field

The utility model belongs to the technical field of a technique and specifically relates to a landing leg is consolidated to truss is related to.

Background

The truss is a structure formed by connecting rod pieces at two ends, and is a plane or space structure with triangular units and composed of straight rods. The construction of temporary stage or exhibition stand needs to use a large amount of trusses, some trusses are used for the support as background setting, some are used for setting up stage lighting. Most of the most common truss for the exhibition or exhibition platform in the current market is a triangular truss or a quadrangular truss.

Application publication number is CN 107575050A's patent application file discloses a plug-in type stage truss, take over and draw the takeover to one side including head tree, violently taking over, the both ends of head tree are provided with sub-joint and female joint respectively, be provided with the grafting arm on this outer wall of head tree's the pole, violently take over with the both ends of drawing the takeover to one side all are fixed in through the butt joint rivet on the grafting arm of head tree, the one end of female joint is for inserting head tree one end and through the fixed plug part of elasticity cylindric lock, open on the sub-joint have with the rivet cross-under hole that the rivet cross-under hole of female joint part corresponds. The plurality of the sub-joints are inserted into the female joint and fixed through the rivets, so that the whole body is upwards spliced.

However, in the above structure, the height of the splice is 5m or more, the stability of the structure is poor, and the structure is prone to toppling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a landing leg is consolidated to truss, it has and supports on the upright principal post of truss to improve the stability of truss, reduce the effect of empting.

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

the utility model provides a landing leg is consolidated to truss, includes the truss stand, be provided with oblique landing leg on the truss stand, oblique landing leg one end articulates on the truss stand, and the other end supports subaerial, the middle part of landing leg is provided with middle landing leg to one side, middle landing leg one end is fixed on the truss stand, and the other end is fixed on oblique landing leg, the both ends of middle landing leg and the one end that oblique landing leg and truss stand are connected are all rotated and are connected with connecting device.

Through adopting above-mentioned technical scheme, during the use, will incline the landing leg and pass through connecting device and connect on the truss stand, the landing leg is connected on the landing leg to one side through middle landing leg one end to one side, and the other end is fixed on the landing leg to one side, makes the angle between oblique landing leg and the truss stand fix, and when the truss stand took place to incline, the one end that the truss stand was kept away from to the landing leg to one side was supported subaerial to can make the landing leg to one side support the truss stand, improved the stability of truss stand, the reduction is emptyd.

The utility model discloses further set up to: the middle supporting leg comprises an inner rod and an outer sleeve, one end of the inner rod is inserted into the outer sleeve, and a fixing piece for fixing the inner rod is arranged between the inner rod and the outer sleeve.

Through adopting above-mentioned technical scheme, set up the mounting between interior pole and the overcoat, when the dead lever unclamped from interior pole, adjust interior pole and the length between the overcoat to make the angle of opening between oblique landing leg and the truss stand adjust, further adapt to the support to different truss stands.

The utility model discloses further set up to: the fixing piece is a bolt, a plurality of connecting holes are uniformly distributed in the inner rod along the length direction of the inner rod, a positioning hole is formed in the side wall of the outer sleeve, and the bolt is used for penetrating through the positioning hole and the connecting holes.

Through adopting above-mentioned technical scheme, evenly distributed sets up a plurality of connecting holes on the length direction of interior pole, sets up the locating hole on the lateral wall of overcoat, through inserting the bolt in the connecting hole of difference, can adjust the length of interior pole and overcoat.

The utility model discloses further set up to: the one end that truss stand was kept away from to oblique landing leg is provided with the base, oblique landing leg rotates with the base to be connected.

Through adopting above-mentioned technical scheme, the one end that truss stand was kept away from to oblique landing leg sets up the base, but the base horizontal support subaerial, can increase oblique landing leg and the area of contact between the ground through the end.

The utility model discloses further set up to: the base includes chassis and last fagging down, go up the fagging and the vertical sliding fit in chassis down, be connected with the screw rod on the fagging, screw rod and last fagging threaded connection, the lower extreme butt of screw rod is on chassis down, oblique landing leg rotates to be connected on last fagging.

Through adopting above-mentioned technical scheme, sliding fit between lower chassis and the last fagging is provided with the screw rod on last fagging, screw rod and last fagging threaded connection, after will inclining landing leg and truss stand are fixed, the rethread screw rod will descend the chassis and effectively connect on inclining landing leg, further improve truss stand's stability.

The utility model discloses further set up to: two adjacent be provided with middle branch between the oblique landing leg, the both ends of middle branch are articulated to have connecting device, the both ends of middle branch are passed through connecting device and are connected respectively on two oblique landing legs.

Through adopting above-mentioned technical scheme, be provided with middle branch between two adjacent oblique landing legs, middle branch supports on two adjacent oblique landing legs to can prevent that two oblique landing legs from drawing close to the centre, improve the support stability of oblique landing leg to the truss stand.

The utility model discloses further set up to: the middle supporting rod comprises a middle sleeve and two threaded rods, the threaded rods are respectively in threaded connection with the two ends of the middle sleeve, and the threads at the two ends of the middle sleeve are arranged in opposite rotating directions.

Through adopting above-mentioned technical scheme, when rotating middle sleeve pipe, two threaded rods are close to relatively or keep away from on middle sleeve pipe to the total length of branch in the middle of adjusting, thereby adjust the distance between two adjacent oblique landing legs.

The utility model discloses further set up to: the diameter of the threaded rod is smaller than that of the middle sleeve, the end part of the middle sleeve is provided with a connecting disc, the connecting disc is fixed on the middle sleeve, the threaded rod is in threaded connection with the connecting disc, one end, located in the middle sleeve, of the threaded rod is provided with a supporting disc, and the diameter of the supporting disc is equal to the inner diameter of the middle sleeve.

Through adopting above-mentioned technical scheme, the diameter of threaded rod is less than middle sheathed tube internal diameter to at threaded rod one end in being located middle sleeve connection supporting disk, through supporting disk and connecting disk with threaded rod and middle sheathed tube be connected relatively stably.

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

1. the inclined support legs are connected to the truss stand column through the connecting devices, one ends of the inclined support legs are connected to the inclined support legs through the middle support legs, the other ends of the inclined support legs are fixed to the inclined support legs, so that the angle between the inclined support legs and the truss stand column is fixed, and when the truss stand column is inclined, one ends, far away from the truss stand column, of the inclined support legs are supported on the ground, so that the inclined support legs can support the truss stand column, the stability of the truss stand column is improved, and the toppling is reduced;

2. by arranging the fixing piece between the inner rod and the outer sleeve, when the fixing rod is loosened from the inner rod, the length between the inner rod and the outer sleeve is adjusted, so that the opening angle between the inclined support leg and the truss stand column is adjusted, and the truss stand column support device is further suitable for supporting different truss stand columns;

3. through being provided with middle branch between two adjacent oblique landing legs, middle branch supports on two adjacent oblique landing legs to can prevent that two oblique landing legs from drawing close to the centre, improve the support stability of oblique landing leg to the truss stand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the middle leg;

FIG. 3 is a schematic view of a middle strut cut-away middle sleeve;

fig. 4 is a schematic view of the base in full section.

In the figure, 1, truss upright columns; 2. an inclined leg; 3. a connecting device; 31. a half ring; 32. connecting lugs; 33. connecting a bolt; 4. a base; 41. a lower chassis; 42. an upper supporting plate; 43. guiding the outer tube; 44. guiding the inner tube; 45. a screw; 5. a middle support leg; 51. an inner rod; 511. connecting holes; 52. a jacket; 521. positioning holes; 53. a bolt; 6. a middle strut; 61. an intermediate sleeve; 62. a threaded rod; 63. a connecting disc; 64. a force application ring; 65. and (4) supporting the disc.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a truss reinforcement landing leg, including truss stand 1, truss stand 1 is vertical to be placed subaerial, there are four at truss stand 1, all be provided with an oblique landing leg 2 on every truss stand 1, the slope of oblique landing leg 2 sets up, the one end of oblique landing leg 2 is provided with connecting device 3, connecting device 3 includes two semi-rings 31 and a engaging lug 32, two semi-rings 31 one end are rotated relatively and are connected, another is provided with connecting bolt 33, can dismantle two semi-rings 31 through connecting bolt 33 and connect, engaging lug 32 welded fastening is on the lateral wall of a semi-ring 31, rotate with the one end of oblique landing leg 2 through engaging lug 32 and be connected. When supporting oblique landing leg 2 on truss stand 1, oblique landing leg 2 is connected with two semi-rings 31 and blocks to truss stand 1, then oblique landing leg 2 can rotate round the axis of connection with engaging lug 32, makes oblique landing leg 2 support subaerially, is connected with base 4 at oblique landing leg 2 support subaerial one end, increases the area of contact of oblique landing leg 2 and ground through base 4. The middle part of the inclined supporting leg 2 is also provided with a middle supporting leg 5, two ends of the middle supporting leg 5 are also respectively provided with a connecting device 3, the end part of the middle supporting leg 5 is rotatably connected with a connecting lug 32 in the connecting device 3, and the connecting devices 3 at two ends of the middle supporting leg 5 are respectively fixedly connected with the truss upright post 1 and the inclined supporting leg 2.

Referring to fig. 1 and 2, the middle leg 5 comprises an inner rod 51 and an outer sleeve 52, both the inner rod 51 and the outer sleeve 52 are tubular, the outer diameter of the inner rod 51 is equal to the inner diameter of the outer sleeve 52, one end of the inner rod 51 is inserted into one end of the outer sleeve 52, one connecting device 3 is mounted at one end of the inner rod 51 far away from the outer sleeve 52, and the other connecting device 3 is mounted at one end of the outer sleeve 52 far away from the inner rod 51. The side wall of the inner rod 51 is provided with a plurality of connecting holes 511, the connecting holes 511 are uniformly distributed along the length direction of the inner rod 51, the side wall of the outer sleeve 52 is provided with a positioning hole 521, the positioning hole 521 and the connecting holes 511 are internally provided with a bolt 53 in a penetrating manner, when the bolt 53 is connected into different positioning holes 521, the length of the inner rod 51 inserted into the outer sleeve 52 can be changed, so that the angle between the inclined supporting leg 2 and the truss upright post 1 can be adjusted, the area supported by the inclined supporting leg 2 can be changed, and the requirements of supporting various truss upright posts 1 can be met.

Referring to fig. 1 and 3, an intermediate strut 6 is disposed between two adjacent oblique legs 2, two ends of the intermediate strut 6 are also provided with the connecting device 3, and an end of the intermediate strut 6 is rotatably connected with a connecting lug 32 in the connecting device 3, and by disposing the intermediate strut 6 between two adjacent oblique legs 2, an opening angle between two adjacent oblique legs 2 can be fixed, and the two oblique legs 2 are prevented from moving, thereby ensuring the supporting stability of the truss column 1. The middle support rod 6 comprises a middle sleeve 61 and two threaded rods 62, the end parts of the two threaded rods 62 are respectively inserted into the two ends of the middle sleeve 61, the two connecting devices 3 are respectively connected with one ends of the two threaded rods 62 far away from the middle sleeve 61, the two threaded rods 62 are provided with threads with opposite rotating directions, a connecting disc 63 is respectively arranged on the two threaded rods 62, the connecting disc 63 is in threaded connection with the threaded rods 62, the connecting disc 63 is welded or integrally arranged at the end part of the middle sleeve 61, at least two force applying rings 64 are arranged on the outer side wall of the middle sleeve 61, the intermediate sleeve 61 is rotated by inserting a rod member in the forcing ring 64, and when the intermediate sleeve 61 is rotated, the threaded rods 62 at both ends of the middle sleeve 61 move along the length direction of the middle sleeve 61, thereby adjusting the total length of the middle strut 6 and supporting two adjacent oblique legs 2. The internal diameter of middle sleeve pipe 61 is greater than the external diameter of threaded rod 62, and the threaded rod 62 is located the one end of middle sleeve pipe 61 and is provided with supporting disk 65, and the diameter of supporting disk 65 equals the internal diameter of middle sleeve pipe 61, makes supporting disk 65 and connection pad 63 support threaded rod 62, improves the fastness of being connected of threaded rod 62 and middle sleeve pipe 61.

Referring to fig. 1 and 4, the base 4 installed on the inclined leg 2 includes a lower base plate 41 and an upper supporting plate 42, the lower base plate 41 and the upper supporting plate 42 are arranged in parallel, a guide outer tube 43 is arranged on the upper surface of the lower base plate 41, a guide inner tube 44 is arranged on the lower surface of the upper supporting plate 42, when the upper supporting plate 42 is placed above the lower base plate 41, the guide inner tube 44 is inserted into the guide outer tube 43, so that the upper supporting plate 42 is vertically and slidably fitted with the lower base plate 41 through the guide inner tube 44 and the guide outer tube 43, at least one screw 45 is installed on the upper supporting plate 42, the screw 45 is in threaded connection with the upper supporting plate 42, the lower end of the screw 45 abuts against the lower base plate 41, when the screw 45 is rotated, the screw 45 can abut against the lower base plate 41, one end of the inclined leg 2 connected with the base 4 is rotatably connected to the upper supporting plate 42, so that the upper supporting plate 42, the support stability of the truss column 1 is better.

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 landing leg is consolidated to truss, includes truss stand (1), its characterized in that: the truss structure is characterized in that oblique supporting legs (2) are arranged on the truss stand column (1), one ends of the oblique supporting legs (2) are hinged to the truss stand column (1), the other ends of the oblique supporting legs are supported on the ground, middle supporting legs (5) are arranged in the middle of the oblique supporting legs (2), one ends of the middle supporting legs (5) are fixed to the truss stand column (1), the other ends of the middle supporting legs (5) are fixed to the oblique supporting legs (2), and connecting devices (3) are connected to the two ends of the middle supporting legs (5) and the ends, connected with the oblique supporting legs (2) and the truss.

2. The truss-reinforced leg of claim 1, wherein: the middle supporting leg (5) comprises an inner rod (51) and an outer sleeve (52), one end of the inner rod (51) is inserted into the outer sleeve (52), and a fixing piece for fixing the inner rod (51) is arranged between the inner rod (51) and the outer sleeve (52).

3. The truss-reinforced leg of claim 2, wherein: the fixing piece is a bolt (53), a plurality of connecting holes (511) are uniformly distributed in the inner rod (51) along the length direction of the inner rod (51), a positioning hole (521) is formed in the side wall of the outer sleeve (52), and the bolt (53) is used for penetrating through the positioning hole (521) and the connecting holes (511).

4. A truss-reinforced leg as defined in any one of claims 1 to 3 wherein: one end, far away from the truss upright post (1), of the inclined supporting leg (2) is provided with a base (4), and the inclined supporting leg (2) is rotatably connected with the base (4).

5. The truss-reinforced leg of claim 4, wherein: base (4) are including lower chassis (41) and last fagging (42), go up fagging (42) and the vertical sliding fit in lower chassis (41), be connected with screw rod (45) on going up fagging (42), screw rod (45) and last fagging (42) threaded connection, the lower extreme butt of screw rod (45) is on chassis (41) down, oblique landing leg (2) are rotated and are connected on last fagging (42).

6. The truss-reinforced leg of claim 1, wherein: two adjacent be provided with between oblique landing leg (2) middle branch (6), the both ends of middle branch (6) are articulated to have connecting device (3), the both ends of middle branch (6) are passed through connecting device (3) and are connected respectively on two oblique landing legs (2).

7. The truss-reinforced leg of claim 6, wherein: middle branch (6) are including middle sleeve pipe (61) and two threaded rods (62), two threaded rod (62) threaded connection is at the both ends of middle sleeve pipe (61) respectively, the screw thread at middle sleeve pipe (61) both ends is revolved to opposite setting.

8. The truss-reinforced leg of claim 7, wherein: the diameter of threaded rod (62) is less than the diameter of middle sleeve pipe (61), the tip of middle sleeve pipe (61) is provided with connection pad (63), and connection pad (63) are fixed on middle sleeve pipe (61), threaded rod (62) and connection pad (63) threaded connection, the one end that threaded rod (62) are located middle sleeve pipe (61) is provided with supporting disk (65), and the diameter of supporting disk (65) equals the internal diameter of middle sleeve pipe (61).