Foldable stage truss

Abstract

The utility model provides a foldable stage truss, which belongs to the technical field of stage trusses and comprises a first truss and a second truss which are horizontally arranged, first supporting square rods arranged on two sides of the first truss, second supporting square rods arranged on two sides of the second truss, and a plurality of folding components symmetrically arranged between the first truss and the second truss. Reinforcing assemblies are arranged between the folding assemblies in the horizontal direction, reinforcing sleeve rods are arranged in the first supporting square rod and the second supporting square rod correspondingly, and socket bases are arranged at the upper ends and the lower ends of the first supporting square rod and the second supporting square rod correspondingly. The folding of the first truss and the second truss is realized through the rotating folding of the first connecting rod and the second connecting rod on the folding assembly, so that the occupied area of the truss is reduced, and the transportation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stage trusses, in particular to a foldable stage truss. Background Art

[0002] A truss is a structure made up of rods connected to each other at both ends with hinges. A truss is a planar or spatial structure composed of straight rods, generally with triangular units. The truss rods mainly bear axial tension or compression, thereby making full use of the strength of the material. When the span is large, it can save material compared to a solid beam, reduce its own weight and increase stiffness.

[0003] When constructing a stage, a truss is needed as a support frame to support props such as lights on the stage. However, most existing trusses are geometrically fixed structures composed of triangular frames composed of straight rods, which are usually formed in one piece by welding. Although they have good compressive resistance and strength, they are large in size and difficult to transport. In particular, they are very time-consuming and labor-intensive when used for stage construction. To solve the above problems, a foldable stage truss is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the present invention provides a foldable stage truss. The present invention realizes the folding of the first truss and the second truss by rotating and folding the first connecting rod and the second connecting rod on the folding assembly, thereby reducing the floor space of the truss and facilitating transportation.

[0005] In order to solve the above technical problems, the utility model provides a foldable stage truss, including a first truss and a second truss arranged horizontally, a first supporting square rod arranged on both sides of the first truss, a second supporting square rod arranged on both sides of the second truss, a plurality of folding components are symmetrically arranged between the first truss and the second truss, a reinforcement component is arranged between the folding components located in the horizontal direction, a reinforcement sleeve rod is arranged inside the first supporting square rod and the second supporting square rod, and a socket base is provided at the upper and lower ends of the first supporting square rod and the second supporting square rod.

[0006] The folding assembly includes a first movable groove welded to the outer wall of the first supporting square rod, the first movable groove is used to fix the first rotating shaft, and the first movable groove is also used to connect the first rotating shaft to the first truss, a second movable groove welded to the outer wall of the second supporting square rod, the second movable groove is used to fix the second rotating shaft, and the second movable groove is also used to connect the second rotating shaft to the second truss, a first connecting rod is provided on the side of the first movable groove away from the first supporting square rod, the first connecting rod is used to connect the first rotating shaft to the third movable groove, a second connecting rod is provided on the side of the second movable groove away from the second supporting square rod, the second connecting rod is used to connect the third rotary joint to the second movable groove, and the first connecting rod and the second connecting rod are hingedly connected.

[0007] A first rotating shaft is horizontally arranged in the middle of the first movable groove, and the first rotating shaft is used for the first rotary joint to drive the first connecting rod to rotate. A second rotating shaft is horizontally arranged in the middle of the second movable groove, and the second rotating shaft is used for the second rotary joint to drive the second connecting rod to rotate.

[0008] A first rotating joint is provided at one end of the first connecting rod near the first movable groove, and the first rotating joint is used to drive the first connecting rod to rotate and fold. A first through-hole is provided through the middle of the first rotating joint, and the first through-hole is used to connect the first rotating joint with the first rotating shaft. A second rotating joint is provided at one end of the second connecting rod near the second movable groove, and the second rotating joint is used to drive the second connecting rod to rotate and fold. A second through-hole is provided through the middle of the second rotating joint, and the second through-hole is used to connect the second rotating joint with the second rotating shaft. The first rotating joint is rotatably connected to the first rotating shaft, and the second rotating joint is rotatably connected to the second rotating shaft.

[0009] A third movable groove is provided at one end of the first connecting rod away from the first movable groove. The third movable groove is used to install and fix the third rotating shaft. The third movable groove is also used to connect the first connecting rod with the third rotating joint. A third rotating shaft is horizontally provided in the middle of the third movable groove. The third rotating shaft is used to drive the third rotating joint to rotate.

[0010] A third rotary joint is provided at one end of the second connecting rod away from the second movable groove. The third rotary joint is used to connect the third rotating shaft with the second connecting rod. A third through-hole is provided through the middle of the third rotary joint. The third through-hole is used to connect the third rotary joint with the third rotating shaft. The third rotary joint is rotatably connected to the third rotating shaft.

[0011] The reinforcement assembly includes a first reinforcement rod close to the first truss, the first reinforcement rod is used to connect the first connecting rods on the same horizontal plane to each other, a second reinforcement rod close to the second truss, the second reinforcement rod is used to connect the second connecting rods on the same horizontal plane to each other, a first connecting groove is provided at both ends of the first reinforcement rod, the first connecting groove is used to connect the first reinforcement rod with the first connecting rod, and a second connecting groove is provided at both ends of the second reinforcement rod, the second connecting groove is used to connect the second reinforcement rod with the second connecting rod.

[0012] The first connecting groove is connected to the first connecting rod, and the second connecting groove is connected to the second connecting rod. A pair of positioning bolts are provided in the middle of the first connecting groove and the second connecting groove. The positioning bolts are used to connect and fix between the first connecting groove and the first reinforcement rod, and the positioning bolts are also used to connect and fix between the second connecting groove and the second reinforcement rod.

[0013] In summary, compared with the prior art, this application has at least one of the following beneficial technical effects:

[0014] 1. After the first rotary joint is sleeved with the first rotating shaft, the first connecting rod and the first supporting square rod can be rotated and folded. The first connecting rod can be rotated and folded. After the second rotary joint is sleeved with the second rotating shaft, the second connecting rod and the second supporting square rod can be rotated and folded, and then the second connecting rod and the second supporting square rod can be folded. After the third rotary joint is sleeved with the third rotating shaft, the first connecting rod and the second connecting rod can be rotated and folded, thereby realizing the folding of the first truss and the second truss, thereby reducing the footprint of the truss and facilitating transportation.

[0015] 2. The reinforcing sleeve rod is used to reinforce the thickness of the first supporting square rod and the second supporting square rod, thereby improving the longitudinal supporting strength of the first truss and the second truss.

[0016] 3. When the truss is unfolded, the first reinforcing rods on the reinforcing assembly are used to reinforce the first connecting rods on the same horizontal plane, and the second reinforcing rods are used to reinforce the second connecting rods on the same horizontal plane, so that they form an integral whole, thereby improving the supporting capacity of the truss after unfolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model from the right side;

[0018] Figure 2 For this utility model Figure 1 A partial enlarged view of;

[0019] Figure 3 This is a schematic diagram of the main structure of the utility model from the left;

[0020] Figure 4 For this utility model Figure 3 B is a partial enlarged view;

[0021] Figure 5 This is a top view of the structure of the present invention.

[0022] Explanation of the accompanying drawings: 100, first truss; 101, second truss; 102, first supporting square rod; 103, second supporting square rod; 104, reinforcing sleeve rod; 105, socket base; 200, folding assembly; 201, first movable groove; 202, second movable groove; 203, first connecting rod; 204, second connecting rod; 205, first rotating shaft; 206, second rotating shaft; 207, first rotary joint; 208, second rotary joint; 209, first through-hole; 210, second through-hole; 211, third movable groove; 212, third rotating shaft; 213, third rotary joint; 214, third through-hole; 300, reinforcing assembly; 301, first reinforcing rod; 302, second reinforcing rod; 303, first connecting groove; 304, second connecting groove; 305, positioning bolt. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiment of the present invention clearer, the following will be combined with the appended drawings of the embodiment of the present invention. Figure 1-5 The technical solutions of the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0024] like Figure 1-5 As shown: This embodiment provides a foldable stage truss, including a first truss 100 and a second truss 101 arranged horizontally, a first supporting square rod 102 arranged on both sides of the first truss 100, a second supporting square rod 103 arranged on both sides of the second truss 101, a plurality of folding components 200 are symmetrically arranged between the first truss 100 and the second truss 101, a reinforcing component 300 is arranged between each of the folding components 200 in the horizontal direction, a reinforcing sleeve rod 104 is arranged inside each of the first supporting square rod 102 and the second supporting square rod 103, and the outer ring size of the reinforcing sleeve rod 104 is the same as that of the The inner circle sizes of the first supporting square rod 102 and the second supporting square rod 103 are consistent. The reinforcing sleeve rod 104 is used to reinforce the thickness of the first supporting square rod 102 and the second supporting square rod 103, thereby improving the longitudinal support strength of the first truss 100 and the second truss 101. The upper and lower ends of the first supporting square rod 102 and the second supporting square rod 103 are each provided with a socket base 105. The socket base 105 is welded and fixed to the upper and lower ends of the first supporting square rod 102, and the socket base 105 is welded and fixed to the upper and lower ends of the second supporting square rod 103. The socket base 105 is used to connect between stage trusses.

[0025] When in use, after the first through-hole 209 on the first rotating joint 207 is sleeved with the first rotating shaft 205 on the first movable groove 201, the first connecting rod 203 and the first supporting square rod 102 can be rotated and folded. Because the first connecting rod 203 is connected to the first rotating joint 207, the first connecting rod 203 is driven to rotate and fold. After the second through-hole 210 on the second rotating joint 208 is sleeved with the second rotating shaft 206 on the second movable groove 202, the second connecting rod 204 and the second supporting square rod 103 can be rotated and folded. Because the second connecting rod 204 is connected to the second rotating joint 208 , thereby driving the second connecting rod 204 to rotate and fold. After the third through-hole 214 on the third rotary joint 213 is sleeved with the third rotating shaft 212 on the third movable groove 211, the first connecting rod 203 and the second connecting rod 204 can be rotatably folded, thereby realizing the folding of the first truss 100 and the second truss 101. When the truss is unfolded, the first reinforcing rod 301 on the reinforcing assembly 300 reinforces the mutual connection between the first connecting rods 203 on the same horizontal plane, and the second reinforcing rod 302 reinforces the mutual connection between the second connecting rods 204 on the same horizontal plane, so that they form a whole, thereby improving the supporting capacity of the truss after unfolding.

[0026] This embodiment provides a foldable stage truss.

[0027] like Figure 1 、 2 , 3, 4: The folding assembly 200 includes a first movable groove 201 welded to the outer wall of the first supporting square rod 102, and the first movable groove 201 is provided with a U-shaped notch on a side away from the first supporting square rod 102. The first movable groove 201 is used to fix the first rotating shaft 205. The first movable groove 201 is also used to connect the first rotating shaft 205 to the first truss 100, and a second movable groove 202 welded to the outer wall of the second supporting square rod 103. The second movable groove 202 is provided with a U-shaped notch on a side away from the second supporting square rod 103. The second movable groove 202 is used to fix the second The rotating shaft 206 and the second movable groove 202 are also used to connect the second rotating shaft 206 with the second truss 101. A first connecting rod 203 is provided on the side of the first movable groove 201 away from the first supporting square rod 102. The first connecting rod 203 is used to connect the first rotating shaft 205 with the third movable groove 211. A second connecting rod 204 is provided on the side of the second movable groove 202 away from the second supporting square rod 103. The second connecting rod 204 is used to connect the third rotary joint 213 with the second movable groove 202. The first connecting rod 203 and the second connecting rod 204 are hingedly connected.

[0028] The effect is: the first movable groove 201 is used to connect the first rotating shaft 205 with the first truss 100, the first rotating shaft 205 is used for the rotation and folding of the first rotating joint 207, the second movable groove 202 is used to connect the second rotating shaft 206 with the second truss 101, and the second rotating shaft 206 is used for the rotation and folding of the second rotating joint 208.

[0029] like Figure 1 、 2 As shown in , 3, and 4: a first rotating shaft 205 is horizontally arranged in the middle of the first movable groove 201, and bearing seats can be set at both ends of the first rotating shaft 205 to be connected to the outer surface of the first movable groove 201, and the first rotating shaft 205 is used for the first rotary joint 207 to drive the first connecting rod 203 to rotate, and a second rotating shaft 206 is horizontally arranged in the middle of the second movable groove 202, and bearing seats can be set at both ends of the second rotating shaft 206 to be connected to the outer surface of the second movable groove 202, and the second rotating shaft 206 is used for the second rotary joint 208 to drive the second connecting rod 204 to rotate.

[0030] The effect is as follows: the first rotating shaft 205 is used for the first rotating joint 207 to drive the first connecting rod 203 to rotate and fold, and the second rotating shaft 206 is used for the second rotating joint 208 to drive the second connecting rod 204 to rotate and fold.

[0031] like Figure 1 、 2 , 3, 4: The first connecting rod 203 is provided with a first rotating joint 207 at one end close to the first movable groove 201. The first connecting rod 203 is welded to the first rotating joint 207. The first rotating joint 207 is used to drive the first connecting rod 203 to rotate and fold. A first through-hole 209 is provided in the middle of the first rotating joint 207. The first through-hole 209 is used to sleeve the first rotating shaft 205. The size of the first rotating shaft 205 is consistent with the size of the first through-hole 209. The first through-hole 209 is used to connect the first rotating joint 207 to the first rotating shaft 205. The second connecting rod 204 is close to the second movable groove 202 A second rotary joint 208 is provided at one end, and the second connecting rod 204 is welded to the second rotary joint 208. The second rotary joint 208 is used to drive the second connecting rod 204 to rotate and fold. A second through-hole 210 is provided through the middle of the second rotary joint 208. The second through-hole 210 is used to socket the second rotating shaft 206. The size of the second rotating shaft 206 is consistent with the size of the second through-hole 210. The second through-hole 210 is used to connect the second rotary joint 208 to the second rotating shaft 206. The first rotary joint 207 is rotatably connected to the first rotating shaft 205, and the second rotary joint 208 is rotatably connected to the second rotating shaft 206.

[0032] The effect is: the first rotating joint 207 is used to drive the first connecting rod 203 to rotate and fold, and the second rotating joint 208 is used to drive the second connecting rod 204 to rotate and fold. After the first through hole 209 on the first rotating joint 207 is engaged with the first rotating shaft 205 on the first movable groove 201, the first connecting rod 203 and the first supporting square rod 102 can be rotatably folded, and then the first connecting rod 203 and the first supporting square rod 102 can be folded. After the second through hole 210 on the second rotating joint 208 is engaged with the second rotating shaft 206 on the second movable groove 202, the second connecting rod 204 and the second supporting square rod 103 can be rotatably folded, and then the second connecting rod 204 and the second supporting square rod 103 can be folded.

[0033] like Figure 1 、 2 , 3, 4: The first connecting rod 203 is provided with a third movable groove 211 at one end away from the first movable groove 201. The first connecting rod 203 is welded and fixed to the third movable groove 211. The third movable groove 211 is used to install and fix the third rotating shaft 212. Bearing seats can be provided at both ends of the third rotating shaft 212 for fixing the third rotating shaft 212. The bearing seats are connected to the outer surface of the third movable groove 211. The third movable groove 211 is also used to connect the first connecting rod 203 with the third rotary joint 213. A third rotating shaft is horizontally provided in the middle of the third movable groove 211. 212, the third rotating shaft 212 is used to drive the third rotating joint 213 to rotate, and the third rotating joint 213 is provided at the end of the second connecting rod 204 away from the second movable groove 202. The third rotating joint 213 is used to connect the third rotating shaft 212 with the second connecting rod 204. A third through-hole 214 is provided through the middle of the third rotating joint 213. The third through-hole 214 is used to sleeve the third rotating shaft 212. The third through-hole 214 is used for connecting the third rotating joint 213 to the third rotating shaft 212. The third rotating joint 213 is rotatably connected to the third rotating shaft 212.

[0034] The effect is that after the third through hole 214 on the third rotary joint 213 is sleeved with the third rotating shaft 212 on the third movable groove 211, the first connecting rod 203 and the second connecting rod 204 can be rotatably folded, thereby making the first connecting rod 203 and the second connecting rod 204 foldable.

[0035] like Figure 2 、 35: The reinforcement assembly 300 includes a first reinforcement rod 301 close to the first truss 100, and the first reinforcement rod 301 is used to connect the first connecting rods 203 on the same horizontal plane to each other, and a second reinforcement rod 302 close to the second truss 101, and the second reinforcement rod 302 is used to connect the second connecting rods 204 on the same horizontal plane to each other, and first connecting grooves 303 are provided at both ends of the first reinforcement rod 301, and the first connecting grooves 303 are used to connect the first reinforcement rod 301 with the first connecting rod 203, and both ends of the first reinforcement rod 301 are inserted into the grooves of the first connecting grooves 303, and the connection can be welded and fixed, the first connecting grooves 303 are welded and fixed to the first connecting rod 203, and the second connecting grooves 304 are welded and fixed to the second connecting rod 204, and second connecting grooves 304 are provided at both ends of the second reinforcement rod 302, and the second connecting grooves 304 are used to connect the second reinforcement rod 302 with the second connecting rod 204, and both ends of the second reinforcement rod 302 are inserted into the grooves of the second connecting grooves 304, and the connection can be welded and fixed.

[0036] The effect is: the first reinforcing rod 301 is used to reinforce the mutual connection between the first connecting rods 203 on the same horizontal plane, and the second reinforcing rod 302 is used to reinforce the mutual connection between the second connecting rods 204 on the same horizontal plane, so that they form an integral whole, thereby improving the supporting capacity of the truss after expansion.

[0037] like Figure 2 、 3 5: The first connecting groove 303 is connected to the first connecting rod 203, and the second connecting groove 304 is connected to the second connecting rod 204. A pair of positioning bolts 305 are provided in the middle of the first connecting groove 303 and the second connecting groove 304. The positioning bolts 305 are used to connect and fix the first connecting groove 303 and the first reinforcing rod 301. The positioning bolts 305 are also used to connect and fix the second connecting groove 304 and the second reinforcing rod 302. After the first reinforcing rod 301 is inserted into the first connecting groove 303, it can also be connected and fixed by the positioning bolts 305. After the second reinforcing rod 302 is inserted into the second connecting groove 304, it can also be connected and fixed by the positioning bolts 305.

[0038] Working principle: After the first through-hole 209 on the first rotating joint 207 is engaged with the first rotating shaft 205 on the first movable groove 201, the first connecting rod 203 and the first supporting square rod 102 can be rotatably folded. Because the first connecting rod 203 is connected to the first rotating joint 207, the first connecting rod 203 is driven to rotate and fold. After the second through-hole 210 on the second rotating joint 208 is engaged with the second rotating shaft 206 on the second movable groove 202, the second connecting rod 204 and the second supporting square rod 103 can be rotatably folded. Because the second connecting rod 204 is connected to the second rotating joint 208, the second connecting rod 204 is driven to rotate and fold. After the third through-hole 214 on the third rotating joint 213 is engaged with the third rotating shaft 212 on the third movable groove 211, the first connecting rod 203 and the second connecting rod 204 can be rotatably folded, thereby realizing the folding of the first truss 100 and the second truss 101, thereby reducing the footprint of the truss and facilitating transportation.

[0039] Furthermore, it should be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0040] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A foldable stage truss, comprising a first truss (100) and a second truss (101) arranged horizontally, first supporting square rods (102) arranged on both sides of the first truss (100), and second supporting square rods (103) arranged on both sides of the second truss (101), characterized in that: A plurality of folding assemblies (200) are symmetrically arranged between the first truss (100) and the second truss (101); a reinforcing assembly (300) is arranged between each of the folding assemblies (200) in the horizontal direction; a reinforcing sleeve rod (104) is arranged inside each of the first supporting square rod (102) and the second supporting square rod (103); and a socket base (105) is arranged at the upper and lower ends of each of the first supporting square rod (102) and the second supporting square rod (103).

2. A foldable stage truss according to claim 1, characterized in that: The folding assembly (200) comprises a first movable groove (201) welded to the outer wall of the first supporting square rod (102), and a second movable groove (202) welded to the outer wall of the second supporting square rod (103); a first connecting rod (203) is provided on the side of the first movable groove (201) away from the first supporting square rod (102); a second connecting rod (204) is provided on the side of the second movable groove (202) away from the second supporting square rod (103); and the first connecting rod (203) and the second connecting rod (204) are hingedly connected.

3. A foldable stage truss according to claim 2, characterized in that: A first rotating shaft (205) is transversely arranged in the middle of the first movable groove (201), and a second rotating shaft (206) is transversely arranged in the middle of the second movable groove (202).

4. A foldable stage truss according to claim 3, characterized in that: A first rotary joint (207) is provided at one end of the first connecting rod (203) close to the first movable groove (201), and a first through-hole (209) is provided through the middle of the first rotary joint (207). A second rotary joint (208) is provided at one end of the second connecting rod (204) close to the second movable groove (202), and a second through-hole (210) is provided through the middle of the second rotary joint (208). The first rotary joint (207) is rotationally connected to the first rotating shaft (205), and the second rotary joint (208) is rotationally connected to the second rotating shaft (206).

5. The foldable stage truss according to claim 4, characterized in that: A third movable groove (211) is provided at one end of the first connecting rod (203) away from the first movable groove (201), and a third rotating shaft (212) is transversely provided in the middle of the third movable groove (211).

6. The foldable stage truss according to claim 5, characterized in that: A third rotary joint (213) is provided at one end of the second connecting rod (204) away from the second movable groove (202), a third through hole (214) is provided through the middle of the third rotary joint (213), and the third rotary joint (213) is rotatably connected to the third rotating shaft (212).

7. The foldable stage truss according to claim 6, characterized in that: The reinforcement assembly (300) comprises a first reinforcement rod (301) close to the first truss (100) and a second reinforcement rod (302) close to the second truss (101); first connecting grooves (303) are provided at both ends of the first reinforcement rod (301); and second connecting grooves (304) are provided at both ends of the second reinforcement rod (302).

8. The foldable stage truss according to claim 7, characterized in that: The first connecting groove (303) is connected to the first connecting rod (203), and the second connecting groove (304) is connected to the second connecting rod (204). A pair of positioning bolts (305) are provided in the middle of the first connecting groove (303) and the second connecting groove (304).

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