Fixing structure of truss

Abstract

The utility model provides a truss fixing structure, which belongs to the technical field of stage trusses and comprises a lifting base arranged at the bottom of a truss body, an equipment bottom plate arranged at the bottom of the lifting base and vertical rods arranged at four corners of the top of the truss body. The top of each sliding groove is movably provided with a lower connecting ring, the surface of each vertical rod is provided with a positioning assembly, and cable assemblies are arranged between the positioning assemblies and the lower connecting rings. The limiting plates are inserted into the limiting grooves by moving the positions of the sliding blocks, so that one ends of the cable assemblies are connected with the positioning assemblies, and the other ends of the cable assemblies are connected with the sliding blocks; the four corners of the top of the truss body are fixed to the positioning assemblies, so that the reinforcing ropes can provide additional supporting force for the truss, part of lateral force borne by the truss is transmitted to the ground through the ropes, the burden of the truss body structure is relieved, the effect of the lateral force borne by the truss is relieved, and the instability phenomenon is prevented.

Description

Technical Field

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

[0002] A truss is a structure composed of members hinged at both ends, typically made of metal materials such as steel or aluminum alloy. These members are combined in a specific geometric shape to form the main structure of the truss. Because the members primarily bear axial tension or compression, they can fully utilize the strength of the material, resulting in a high load-bearing capacity. It is widely used in the construction of facilities such as stages and stands.

[0003] In order to improve the practicality of trusses in related technologies, lifting trusses have been introduced on the market. However, lifting trusses mainly rely on the axial force of the rods, and their stability outside the plane is relatively weak. If subjected to lateral forces, they are prone to instability. In order to solve the above problems, a fixed structure of the truss is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the utility model provides a fixing structure of a truss. The utility model moves the position of the slider to insert the limit plate into the limit groove, so that one end of the cable assembly is connected to the positioning assembly and the other end is connected to the slider. The four corners of the top of the truss body are fixed to the positioning assembly, so that the reinforced cables can provide additional support for the truss, and transfer part of the lateral force borne by the truss to the ground through the cables, thereby reducing the burden on the truss main structure, alleviating the effect of the lateral force on the truss, and preventing instability.

[0005] In order to solve the above technical problems, the utility model provides a fixing structure of a truss, including a lifting base arranged at the bottom of the truss body, an equipment base plate arranged at the bottom of the lifting base, and vertical rods arranged at the four corners of the top of the truss body. The four corners of the lower surface of the equipment base plate are respectively rotatably provided with a first rotating shaft, a slide groove is obliquely arranged at the bottom of each first rotating shaft, a slider is arranged in each slide groove, a lower connecting ring is movably provided on the top of the slider, a positioning assembly is provided on the surface of the vertical rod, the positioning assembly corresponds to the slide groove, a cable assembly is provided between the positioning assembly and the lower connecting ring, the upper end of the cable assembly is detachably connected to the positioning assembly, and the lower end of the cable assembly is detachably connected to the lower connecting ring.

[0006] Each positioning assembly includes a positioning groove fixed to the surface of the vertical rod, the positioning groove is used for installing the upper connecting ring, a positioning pin is arranged in the left and right directions in the middle of the positioning groove, the positioning pin is used to fix the upper connecting ring to prevent the upper connecting ring from falling, a positioning block is provided at one end of the positioning pin, the positioning block is used to fix the positioning pin to prevent the positioning pin from falling, and a plug-in plate is provided at the other end of the positioning pin, the plug-in plate is used to remove or install the positioning pin on the positioning groove.

[0007] An upper connecting ring is provided in the middle of each positioning pin, and the upper connecting ring is used to be connected with the first rope buckle on the reinforcing rope.

[0008] Each cable assembly includes a first rope buckle connected to the upper connecting ring, the first rope buckle is used to connect to the upper connecting ring, a second rope buckle connected to the lower connecting ring, the second rope buckle is used to connect to the lower connecting ring, and a reinforcing rope is arranged between the first rope buckle and the second rope buckle, the reinforcing rope is used to reinforce the support truss body and reduce the lateral stress effect of the truss body.

[0009] A positioning column is set in the center of the top of each slider, which is used to fix the second rotating shaft. A second rotating shaft is set on the top of the positioning column for horizontal rotation. The second rotating shaft is used to drive the lower connecting ring to move left and right. The two ends of the second rotating shaft are welded and fixed to the two ends of the bottom of the lower connecting ring.

[0010] Each slide groove is transversely penetrated by a plurality of limiting grooves for inserting limiting plates.

[0011] A storage slot is provided on the side of the upper surface of the equipment base away from the lifting base. The storage slot is used to place a limit plate. A limit plate is placed in the storage slot. The limit plate is used to be inserted into the limit slot to limit the slider. The limit plate is adapted to the limit slot.

[0012] A support block for reinforcing the equipment base is arranged in the center of the lower surface of the equipment base, and the support block is in contact with the ground. Several angle irons are symmetrically arranged at the bottom of the chute, and the angle irons are used to be fixed to the ground with anchor bolts.

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

[0014] 1. First adjust the slider to the appropriate position, and then insert the limit plate into the limit groove. As the truss body rises and falls, the upper end of the cable assembly is connected to the positioning assembly, and the lower end of the reinforcing cable is connected to the slider, so that the reinforcing cable can be extended along with the rise and fall of the truss body. By fixing the four corners of the top of the truss body to the positioning assembly, additional support can be provided for the truss, and part of the lateral force borne by the truss is transmitted to the ground through the cable, reducing the burden on the truss main structure, alleviating the effect of the lateral force on the truss, and preventing instability.

[0015] 2. The lower connecting ring can be placed horizontally when not in use. The positioning column is also used to connect the lower connecting ring with the slider, so that the reinforcing cable can move and adjust with the slider in the slide.

[0016] 3. The support block is used to reinforce the bottom plate of the supporting equipment and increase the contact area with the ground. Angle iron is set to fix the slide to the ground, thereby connecting the bottom plate of the equipment to the ground. The truss is stabilized by fixing the four corners for lifting. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0019] Figure 3 For this utility model Figure 1 B is a partial enlarged view;

[0020] Figure 4 It is a side structural schematic diagram of the present utility model.

[0021] Explanation of the accompanying drawings: 100, truss body; 101, lifting base; 102, equipment base plate; 103, vertical rod; 104, first rotating shaft; 200, slide groove; 201, slider; 202, lower connecting ring; 203, positioning assembly; 204, positioning groove; 205, positioning pin; 206, positioning block; 207, plug-in plate; 208, upper connecting ring; 209, positioning column; 210, second rotating shaft; 211, limiting groove; 300, cable assembly; 301, first rope buckle; 302, second rope buckle; 303, reinforcing rope; 400, storage trough; 401, limiting plate; 402, support block; 403, angle iron. DETAILED DESCRIPTION

[0022] 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 1-4 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.

[0023] like Figure 1-4As shown: This embodiment provides a truss fixing structure, including a lifting base 101 arranged at the bottom of the truss body 100, a device bottom plate 102 arranged at the bottom of the lifting base 101, and vertical rods 103 arranged at the four corners of the top of the truss body 100. The four corners of the lower surface of the device bottom plate 102 are respectively rotatably provided with a first rotating shaft 104. The device bottom plate 102 is mechanically connected to the rotating shaft through a bearing. A sliding groove 200 is obliquely provided at the bottom of each first rotating shaft 104. The first rotating shaft 104 and the sliding groove 200 can be welded and fixed. Each sliding A slider 201 is provided in the groove 200, and the slider 201 slides in cooperation with the slide groove 200. A lower connecting ring 202 is movably provided on the top of the slider 201. A positioning component 203 is provided on the surface of the vertical rods 103 at the four corners of the top of the truss body 100. The positioning component 203 corresponds to the slide groove 200. A cable component 300 is provided between the positioning component 203 and the lower connecting ring 202. The upper end of the cable component 300 is detachably connected to the positioning component 203, and the lower end of the cable component 300 is detachably connected to the lower connecting ring 202.

[0024] When the truss body 100 is in use, the slider 201 is first adjusted to the appropriate position, and then the limit plate 401 in the storage slot 400 is taken out, and the limit plate 401 is inserted into the limit slot 211. As the truss body 100 is raised and lowered, the first rope buckle 301 at the upper end of the reinforcing cable 303 is connected to the upper connecting ring 208, and the second rope buckle 302 at the lower end of the reinforcing cable 303 is connected to the lower connecting ring 202, so that the reinforcing cable 303 is connected to the positioning assembly 203 on the upper connecting ring 208, and the reinforcing cable 303 is connected to the slider 201 on the lower connecting ring 202, so that the reinforcing cable 303 can be extended and extended with the lifting and lowering of the truss body 100. By fixing the four corners of the top of the truss body 100 with the positioning assembly 203, additional support force can be provided for the truss, and part of the lateral force borne by the truss is transmitted to the ground through the cables, thereby reducing the burden on the structure of the truss body 100. The limit plate 401 can prevent the slider 201 from being pulled during the lifting and lowering of the truss.

[0025] This embodiment provides a truss fixing structure.

[0026] like Figure 1 、 23: Each positioning assembly 203 includes a positioning groove 204 fixed to the surface of the vertical rod 103, the vertical rod 103 and the positioning groove 204 are welded and fixed, the side of the positioning groove 204 connected to the vertical rod 103 is in an arc shape, the side of the positioning groove 204 away from the vertical rod 103 is provided with a notch, the notch on the positioning groove 204 is used for the installation of the upper connecting ring 208, the positioning pin 205 is provided in the left and right directions in the middle of the positioning groove 204, the main body of the positioning pin 205 is cylindrical and can be made of stainless steel with a polished surface, and the positioning pin 205 is used to fix the upper The positioning connecting ring 208 prevents the upper connecting ring 208 from falling. A positioning block 206 is provided at one end of the positioning pin 205. The positioning pin 205 and the positioning block 206 can be fixed by threaded connection. The positioning block 206 is used to fix the positioning pin 205 to prevent the positioning pin 205 from falling. The positioning block 206 and the outer side wall of the positioning groove 204 can be connected with bolts. A plug-in plate 207 is provided at the other end of the positioning pin 205. The positioning pin 205 and the plug-in plate 207 can be connected and fixed with rivets. The plug-in plate 207 is used to remove or install the positioning pin 205 on the positioning groove 204.

[0027] The effect is that the positioning pin 205 in the positioning assembly 203 is used to sleeve the upper connecting ring 208, thereby connecting the vertical rod 103 connected to the positioning assembly 203 with the upper connecting ring 208, and further connecting the truss body 100 with the reinforcing rope 303.

[0028] like Figure 1 、 2 , 3, and 4: Each positioning pin 205 is provided with an upper connecting ring 208 in the middle thereof, and the positioning pin 205 is sleeved and installed with the upper connecting ring 208. The upper connecting ring 208 can be made of a rigid material with high yield strength. The upper connecting ring 208 can be in the shape of a horizontal hoist, and the side in contact with the positioning pin 205 can be smaller than the other side. The upper connecting ring 208 is used to connect with the first rope buckle 301 on the reinforcing rope 303. Each cable assembly 300 includes a first rope buckle 301 connected to the upper connecting ring 208. The first rope buckle 301 is used to connect with the upper connecting ring 208. The first rope buckle 301 and the second rope buckle 301 are connected to each other. The rope buckle 302 can all be a safety rope buckle, which has a locking function for socketing the upper connecting ring 208 or the lower connecting ring 202, and the second rope buckle 302 connected to the lower connecting ring 202, the second rope buckle 302 is used to connect to the lower connecting ring 202, and a reinforcing rope 303 is arranged between the first rope buckle 301 and the second rope buckle 302. The reinforcing rope 303 can be a double rope, the upper end of the reinforcing rope 303 is fixed with the first rope buckle 301, and the lower end of the reinforcing rope 303 is fixed with the second rope buckle 302. The reinforcing rope 303 is used to reinforce the support truss body 100 and reduce the lateral stress influence of the truss body 100.

[0029] The effect is: the first rope buckle 301 at the upper end of the cable assembly 300 is used to connect to the upper connecting ring 208, and the second rope buckle 302 at the lower end of the cable assembly 300 is used to connect to the lower connecting ring 202, so that the upper end of the reinforcing rope 303 is connected to the positioning assembly 203, and the lower end of the reinforcing rope 303 is connected to the slider 201.

[0030] like Figure 1 、 2 As shown in 3: A positioning column 209 is set in the center of the top of each slider 201, and the positioning column 209 is embedded and fixed with the slider 201. The positioning column 209 is used to fix the second rotating shaft 210. The positioning column 209 is rotatably connected and fixed to the second rotating shaft 210. Bearings can be set at both ends of the second rotating shaft 210 to fix the second rotating shaft 210 to prevent the second rotating shaft 210 from falling. The bearings can be connected and fixed to the positioning column 209. The height of the positioning column 209 needs to be less than the height of the lower surface of the equipment base plate 102. The second rotating shaft 210 is set on the top of the positioning column 209 for horizontal rotation. The second rotating shaft 210 is used to drive the lower connecting ring 202 to move left and right. The two ends of the second rotating shaft 210 are welded and fixed to the two ends of the bottom of the lower connecting ring 202.

[0031] The effect is that the lower connecting ring 202 can be placed horizontally when not in use, and the positioning column 209 is also used to connect the lower connecting ring 202 with the slider 201, so that the reinforcing cable 303 can move and adjust in the slide 200 following the slider 201.

[0032] like Figure 1 、 3 As shown: each slide groove 200 is horizontally penetrated by a plurality of limit grooves 211 for inserting the limit plate 401, and a storage groove 400 is provided on the side of the upper surface of the equipment base plate 102 away from the lifting base 101. The storage groove 400 is used to place the limit plate 401. A limit plate 401 is placed in the storage groove 400. The limit plate 401 is used to be inserted into the limit groove 211 to limit the slider 201, and the limit plate 401 is adapted to the limit groove 211.

[0033] The effect is: first adjust the slider 201 to the appropriate position, and then use the limit plate 401 to insert it into the limit groove 211. As the truss body 100 rises and falls, the reinforcing cable 303 can extend and extend along with it, and the limit plate 401 can prevent the slider 201 from being pulled during the lifting of the truss.

[0034] like Figure 1 、 3As shown: a support block 402 for reinforcing the equipment base plate is arranged in the center of the lower surface of the equipment base plate. The equipment base plate and the support block 402 can be welded or fixed with bolts. The support block 402 is in contact with the ground. A number of angle irons 403 are symmetrically arranged at the bottom of the chute 200. One end of the angle iron 403 is welded and fixed to the outer wall of the chute 200. A threaded hole is provided at the other end of the angle iron 403 for installing a ground anchor bolt. The angle iron 403 is used to match the ground anchor bolt to fix to the ground. The lengths of the four sides of the equipment base plate can be consistent. The longitudinal length of the chute 200 can be half the length of any side of the equipment base plate.

[0035] The effect is: the support block 402 is used to reinforce the base plate of the supporting equipment and increase the contact area with the ground. Angle iron 403 is set to fix the slide 200 to the ground, thereby connecting the equipment base plate 102 to the ground, and stabilizing the truss for lifting by fixing the four corners.

[0036] Working principle: first adjust the slider 201 to the appropriate position, then take out the limit plate 401 in the storage slot 400, and use the limit plate 401 to insert the limit groove 211. As the truss body 100 rises and falls, the first rope buckle 301 at the upper end of the reinforcing cable 303 is connected to the upper connecting ring 208, and the second rope buckle 302 at the lower end of the reinforcing cable 303 is connected to the lower connecting ring 202, so that the reinforcing cable 303 is connected to the positioning assembly 203 on the upper connecting ring 208, and the reinforcing cable 303 is connected to the slider 201 on the lower connecting ring 202, so that the reinforcing cable 303 can be extended and extended with the rise and fall of the truss body 100. By fixing the four corners of the top of the truss body 100 with the positioning assembly 203, additional support force can be provided for the truss, and part of the lateral force borne by the truss is transmitted to the ground through the cables, thereby reducing the burden on the truss body 100 structure, alleviating the effect of the lateral force on the truss, and preventing instability.

[0037] 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.

[0038] 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 truss fixing structure, comprising a lifting base (101) arranged at the bottom of a truss body (100), an equipment base plate (102) arranged at the bottom of the lifting base (101), and vertical rods (103) arranged at the four corners of the top of the truss body (100), characterized in that: A first rotating shaft (104) is rotatably provided at each of the four corners of the lower surface of the equipment base plate (102), and a slide groove (200) is obliquely provided at the bottom of each first rotating shaft (104). A slider (201) is provided in each slide groove (200), and a lower connecting ring (202) is movably provided on the top of the slider (201). A positioning component (203) is provided on the surface of the vertical rod (103), and the positioning component (203) corresponds to the slide groove (200). A cable component (300) is provided between the positioning component (203) and the lower connecting ring (202), and the upper end of the cable component (300) is detachably connected to the positioning component (203), and the lower end of the cable component (300) is detachably connected to the lower connecting ring (202).

2. A truss fixing structure according to claim 1, characterized in that: Each positioning assembly (203) comprises a positioning groove (204) fixed to the surface of the vertical rod (103), a positioning pin (205) arranged in the middle of the positioning groove (204) along the left and right directions, a positioning block (206) being arranged at one end of the positioning pin (205), and a plug-in plate (207) being arranged at the other end of the positioning pin (205).

3. A truss fixing structure according to claim 2, characterized in that: An upper connecting ring (208) is provided in the middle of each positioning pin (205).

4. A truss fixing structure according to claim 3, characterized in that: Each cable assembly (300) comprises a first rope buckle (301) connected to the upper connecting ring (208) and a second rope buckle (302) connected to the lower connecting ring (202), and a reinforcing rope (303) is provided between the first rope buckle (301) and the second rope buckle (302).

5. A truss fixing structure according to claim 4, characterized in that: A positioning column (209) is centrally provided on the top of each slider (201), a second rotating shaft (210) is laterally rotated on the top of the positioning column (209), and two ends of the second rotating shaft (210) are welded and fixed to the two ends of the bottom of the lower connecting ring (202).

6. A truss fixing structure according to claim 5, characterized in that: Each of the slide grooves (200) is provided with a plurality of limiting grooves (211) running through it transversely.

7. A truss fixing structure according to claim 6, characterized in that: A storage slot (400) is provided on a side of the upper surface of the equipment bottom plate (102) away from the lifting base (101), and a limiting plate (401) is placed in the storage slot (400), and the limiting plate (401) is adapted to the limiting slot (211).

8. The truss fixing structure according to claim 7, wherein: A support block (402) is centrally arranged on the lower surface of the equipment base plate (102), and a plurality of angle irons (403) are symmetrically arranged on the bottom of the chute (200).

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