Stage truss fixing device

Abstract

The utility model relates to a stage truss fixing device which comprises a base and an inclined supporting piece. A worker rotates a screw, a disc makes contact with the ground, a base is adjusted to a proper height position, then a plurality of circular holes in the lower end of a truss correspond to a plurality of connecting holes in the upper end of the base and are connected through fastening bolts and fastening nuts, the truss is fixedly connected with the base, and then two rotatable first arc-shaped plates at the upper end of an inclined supporting rod wrap a first vertical rod; a first bolt is inserted into a through hole in a first lug plate, a first nut is screwed on the first bolt, then two rotatable second arc-shaped plates at the inner end of a supporting rod wrap the lower end of the first vertical rod again and are connected through a second bolt and a second nut again, the other three inclined supporting pieces are sequentially connected with the other three vertical rods, and the disc body makes contact with the ground; the base is fixedly connected with the truss, and the four vertical rods of the truss are further supported and fixed through the four sets of inclined supporting pieces, so that when a person climbs up and down on the truss, the truss does not shake and is very stable.

Description

Technical Field

[0001] The utility model relates to a fixing device, in particular to a stage truss fixing device. Background Art

[0002] The stage truss is a structural frame used to support the stage and stage equipment. It is usually made of light but strong materials (such as aluminum alloy) to ensure that it can withstand the weight and pressure on the stage while maintaining the stability and safety of the structure.

[0003] like Figure 1 As shown, an existing stage truss 1 has four rod bodies 2 , a plurality of circular holes 3 are arranged at the lower ends of the four rod bodies 2 , and the four rod bodies 2 are connected by connecting rods 4 .

[0004] However, the stage trusses are made up of sections. When building the stage, people need to climb up and down the trusses, or when dismantling the stage, they need to climb up and down the trusses. Since the bottom truss support is simply installed on a base, this causes the truss to shake when people climb up and down, which is very unstable. Utility Model Content

[0005] The main purpose of the utility model is to provide a stage truss fixing device, which has solved the above-mentioned problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a stage truss fixing device, including a base and an inclined support member;

[0007] A plurality of connection holes are arranged in the middle of the base, screw rods are arranged at the four corners of the base, and a disc is arranged at the lower end of the screw rods;

[0008] The oblique support members have four groups, and the four groups of oblique support members all include an oblique support rod and a support rod. Two rotatable first arc-shaped plates are provided at the upper end of the oblique support rod, and the inner ends of the two first arc-shaped plates are provided with a first ear plate, and the first ear plate is provided with a first through hole. The outer end of the support rod is hingedly connected to the inner side of the middle part of the oblique support rod, and two rotatable second arc-shaped plates are provided at the inner end of the support rod, and the inner end of the two second arc-shaped plates are provided with a second ear plate, and the second through hole is provided on the second ear plate. A rotatable disk is provided at the lower end of the oblique support rod.

[0009] The above-mentioned beneficial effect is that a person rotates the screw rod to make the disc contact with the ground and adjust the base to a suitable height position, then the multiple circular holes at the lower end of the truss correspond to the multiple connecting holes at the upper end of the base, and are connected by fastening bolts and fastening nuts to fix the truss and the base, then the two rotatable first arc plates at the upper end of the oblique support rod wrap the first vertical pole, then the first bolt is inserted into the first through-hole of the first ear plate, and the first nut is screwed on the first bolt, and then the two rotatable second arc plates at the inner end of the support rod wrap the lower end of the vertical pole again, and are connected again by the second bolt and the second nut, and then the other three oblique support members are connected to the other three vertical poles in turn, and the disc body is made to contact with the ground and fixedly connected to the truss through the base, and then the four vertical poles of the truss are further supported and fixed by four groups of oblique support members, and the truss will not shake when people climb up and down the truss, and it will be very stable.

[0010] A preferred solution is that a first fixing rod is provided at the upper end of the oblique support rod, and both ends of the first fixing rod are rotatably connected to the two first extension plates on the first rotating block, and the inner end of the first rotating block is rotatably connected to the two first arc-shaped plates.

[0011] A preferred solution is that a second fixing rod is provided at the inner end of the support rod, and both ends of the second fixing rod are rotatably connected to two second extension plates on the second rotating block, and the inner end of the second rotating block is rotatably connected to two second arc-shaped plates.

[0012] A preferred solution is that two vertical plates are provided at the upper end of the disk body, a fixed shaft is provided between the two vertical plates, and the lower end of the oblique support rod is rotatably provided on the fixed shaft.

[0013] A preferred solution is that a first plate body is disposed inside the middle portion of the oblique support rod, and the outer end of the support rod is rotatably connected to the first plate body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural diagram of the truss;

[0016] Figure 2 It is a structural schematic diagram of a stage truss fixing device of the utility model;

[0017] Figure 3 It is a structural schematic diagram of a stage truss fixing device base of the utility model;

[0018] Figure 4 yes Figure 2Schematic diagram of the enlarged structure of area A in the middle;

[0019] Figure 5 yes Figure 2 Schematic diagram of the enlarged structure of area B in the middle;

[0020] Figure 6 The utility model is a structural schematic diagram of a stage truss fixing device after the truss is fixed. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0022] like Figures 2 to 6 As shown, the utility model provides a stage truss fixing device, including a base 10 and an inclined support member 20;

[0023] A plurality of connection holes 11 are provided in the middle of the base 10, screw rods 12 are provided at the four corners of the base 10, and a disc 13 is provided at the lower end of the screw rods 12;

[0024] The oblique support members 20 have four groups, and the four groups of oblique support members 20 all include an oblique support rod 21 and a support rod 22. Two rotatable first arc-shaped plates 23 are provided at the upper end of the oblique support rod 21, and the inner ends of the two first arc-shaped plates 23 are provided with first ear plates 24, and the first ear plates 24 are provided with a first through-hole (not shown in the drawings). The outer ends of the support rods 22 are hingedly connected to the inner sides of the middle parts of the oblique support rods 21, and two rotatable second arc-shaped plates 25 are provided at the inner ends of the two second arc-shaped plates 25, and the inner ends of the two second arc-shaped plates 25 are provided with second ear plates 26, and the second ear plates 26 are provided with second through-holes (not shown in the drawings). The lower end of the oblique support rod 21 is provided with a rotatable disk 27.

[0025] During use, the operator rotates the screw rod 12 to make the disc 13 contact the ground, and adjusts the base 10 to a suitable height position. Then, the multiple circular holes 3 at the lower end of the truss 1 correspond to the multiple connecting holes 11 at the upper end of the base 10, and are connected by fastening bolts and fastening nuts to fix the truss 1 to the base 10. Then, the two rotatable first arc plates 23 at the upper end of the oblique support rod 21 wrap around one of the vertical rods 2, and then the first bolt 31 is inserted into the first through hole on the first ear plate 24, and the first bolt 31 is screwed on. A nut 32 is then used, and then the two rotatable second arc plates 25 at the inner end of the support rod 22 are wrapped around the lower end of the vertical pole 2 again, and are connected again through the second bolt 41 and the second nut 42, and the other three oblique support members 20 are connected to the other three vertical poles 2 in turn, and the plate body 27 is in contact with the ground, and is fixedly connected to the truss 1 through the base 10, and then the four vertical poles 2 in the truss 1 are further supported and fixed by four groups of oblique support members 20, and the truss 1 will not shake when people climb up and down the truss 1, and will be very stable.

[0026] Preferably, a first fixing rod 51 is provided at the upper end of the inclined support rod 21, and both ends of the first fixing rod 51 are rotatably connected to two first extension plates 53 on the first rotating block 52, and the inner end of the first rotating block 54 is rotatably connected to the two first arc plates 23.

[0027] Preferably, a second fixing rod 61 is provided at the inner end of the support rod 22, and both ends of the second fixing rod 61 are rotatably connected to two second extension plates 63 on the second rotating block 62, and the inner end of the second rotating block 63 is rotatably connected to two second arc plates 25.

[0028] Preferably, two vertical plates 71 are disposed at the upper end of the disk body 27 , a fixed shaft (not shown in the drawings) is disposed between the two vertical plates 71 , and the lower end of the oblique support rod 21 is rotatably disposed on the fixed shaft.

[0029] Preferably, a first plate body 81 is disposed inside the middle portion of the oblique support rod 21 , and the outer end of the support rod 22 is rotatably connected to the first plate body 81 .

[0030] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A stage truss fixing device, characterized in that: include: A base, wherein a plurality of connection holes are arranged in the middle of the base, screws are arranged at the four corners of the base respectively, and a disc is arranged at the lower end of the screw; The oblique support members have four groups, and the four groups of oblique support members all include an oblique support rod and a support rod. Two rotatable first arc-shaped plates are arranged at the upper end of the oblique support rod, and the inner ends of the two first arc-shaped plates are arranged with a first ear plate, and the first ear plate is arranged with a first through hole. The outer end of the support rod is hingedly connected to the inner side of the middle part of the oblique support rod, and two rotatable second arc-shaped plates are arranged at the inner end of the support rod, and the inner end of the two second arc-shaped plates are arranged with a second ear plate, and the second ear plate is arranged with a second through hole. The lower end of the oblique support rod is provided with a rotatable disk.

2. The stage truss fixing device according to claim 1, characterized in that: A first fixing rod is arranged at the upper end of the oblique support rod, and two ends of the first fixing rod are rotatably connected to two first extension plates on the first rotating block respectively, and an inner end of the first rotating block is rotatably connected to two first arc-shaped plates respectively.

3. The stage truss fixing device according to claim 1, characterized in that: A second fixing rod is arranged at the inner end of the support rod, and two ends of the second fixing rod are rotatably connected to two second extension plates on the second rotating block respectively, and the inner end of the second rotating block is rotatably connected to two second arc-shaped plates respectively.

4. The stage truss fixing device according to claim 1, characterized in that: Two vertical plates are arranged at the upper end of the disk body, a fixed shaft is arranged between the two vertical plates, and the lower end of the oblique support rod is rotatably arranged on the fixed shaft.

5. The stage truss fixing device according to claim 1, characterized in that: A first plate body is arranged inside the middle part of the oblique support rod, and the outer end of the support rod is rotatably connected to the first plate body.

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