Quick-construction truss web member positioning and mounting method

Abstract

The invention discloses a truss web member positioning and mounting method for rapid construction, and relates to the technical field of trusses. A web member adjusting assembly is mounted between a lower truss member and an upper truss member, the two ends of an adjusting flat plate are slidably sleeved with clamping sleeves, and adjusting vertical rods are welded to the bottom ends of adjusting inclined rods; adjusting sliding grooves are formed in the positions, corresponding to the adjusting flat plates, of the lower truss rods and the upper truss rods, mounting sliding blocks are slidably connected to the T-shaped grooves in a clamped mode, the bottom ends of adjusting screw rods are rotationally connected into the mounting sliding blocks, and top connecting assemblies are symmetrically installed between the two upper truss rods. In this way, the adjusting inclined rod and the adjusting vertical rod jack up the upper truss rod, fine adjustment can be conducted on the angles of the adjusting inclined rod and the adjusting vertical rod, it is guaranteed that the adjusting inclined rod and the adjusting vertical rod can reach the accurate angles meeting the design requirement after being installed, fine adjustment can be easily achieved in the high-altitude operation, and installation errors caused by positioning deviation are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of truss, in particular to a truss web member positioning and installing method for rapid construction. BACKGROUND

[0002] Truss is a structure connected by bars at both ends with hinges, the advantage of truss is that bars mainly bear tension or pressure, which can fully play the role of materials, save materials and reduce the weight of structure. Commonly used are steel truss, reinforced concrete truss, prestressed concrete truss, wood truss, steel and wood combined truss, steel and concrete combined truss.

[0003] However, the truss on the market currently often has large errors at both ends during assembly welding, which needs additional welding of steel to supplement or cutting of excess positions to facilitate connection and assembly, so that the installation is more time-consuming and laborious, and the installation efficiency is low. SUMMARY

[0004] The present application provides a truss web member positioning and installing method for rapid construction, which can effectively solve the problem of large errors at both ends during assembly welding of the truss in the background art, which needs additional welding of steel to supplement or cutting of excess positions to facilitate connection and assembly, so that the installation is more time-consuming and laborious, and the installation efficiency is low.

[0005] To achieve the above object, the present application provides the following technical scheme: a truss web member positioning and installing method for rapid construction, comprising the following steps: S1: preliminary assembly, adjust the flat plate into the adjusting sliding groove, under the reset pushing force of the extrusion spring, the clamping sleeve hits the end of the adjusting sliding groove, the clamping oblique piece is clamped in the clamping oblique groove, and the clamping sleeve is temporarily fixed; S2: top connection, the clamping plates at both ends of the middle rod are clamped at two parallel upper truss rods; S3: adjust alignment, pull the adjusting oblique rod along the adjusting sliding groove, rotate the adjusting screw in the adjusting screw hole, and lift the upper truss rod by the adjusting oblique rod and the adjusting vertical rod until the lower truss rod and the upper truss rod are aligned with the corresponding installation positions; S4: welding and fixing, weld and fix the adjusting flat plate and the clamping sleeve in the adjusting sliding groove, and weld and fix the top end of the adjusting vertical rod and the lower truss rod.

[0006] 2. The truss web member positioning and installing method for rapid construction according to claim 1, characterized in that it comprises a lower truss rod, the top end of the lower truss rod is provided with an upper truss rod, an abdominal rod adjusting assembly is installed between the lower truss rod and the upper truss rod, and the abdominal rod adjusting assembly comprises an adjusting oblique rod. The adjusting inclined rod is welded with adjusting flat plates at the top end and the bottom end, the adjusting flat plates are slidably sleeved with clamping sleeves at both ends, the adjusting flat plates are welded with extrusion springs at the positions inside the clamping sleeves at both ends, and the bottom end of the adjusting inclined rod is welded with an adjusting vertical rod. The bottom surface of the adjusting sliding groove of the lower beam is symmetrically provided with a T-shaped groove, an installation sliding block is slidably connected inside the T-shaped groove, and the bottom end of the adjusting screw is rotatably connected inside the installation sliding block.

[0007] According to the above technical scheme, one end of the clamping sleeve is uniformly welded with a clamping inclined plate, and the two ends of the adjusting sliding groove are uniformly provided with clamping inclined grooves.

[0008] According to the above technical scheme, the top surface of the adjusting flat plate is symmetrically provided with a butt joint hole, the clamping sleeve is provided with an alignment hole at the position corresponding to the butt joint hole, and the alignment hole is inlaid with a pin.

[0009] According to the above technical scheme, the top end of the adjusting vertical rod is welded with a connecting plate, one end of the connecting plate is welded with an adjusting inner screw pipe, a positioning screw rod is installed inside the adjusting inner screw pipe, and the bottom surface of the upper beam is uniformly provided with a mounting screw hole near the connecting plate.

[0010] According to the above technical scheme, the two ends of the adjusting sliding groove are acute angles, the end of the clamping sleeve is an acute angle matching the end of the adjusting sliding groove, and the thickness of the clamping sleeve is the same as the depth of the adjusting sliding groove.

[0011] According to the above technical scheme, the top surfaces of the adjusting vertical rod and the connecting plate are flush, and the connecting plate top surface extrusion contacts the lower beam.

[0012] According to the above technical scheme, two top connecting assemblies are symmetrically installed between the two upper beams, and the top connecting assembly comprises a connecting middle rod. The two upper beams are provided with a connecting middle rod, the bottom surface and the top surface of both ends of the connecting middle rod are welded with clamping plates, the clamping plate is provided with a sealing groove near the side of the upper beam, and the sealing groove is inlaid with a sealing rubber pad. The two clamping plates at the same end of the connecting middle rod are connected through connecting bolts, the clamping plate is clamped and installed with a sealing end cover, the sealing end cover is provided with a filling hole in the middle, the filling hole is symmetrically bonded with a rubber sheet inside, the clamping plate is provided with a convection hole inside the sealing end cover, and the sealing end cover is inlaid with a stopper at the top end and the bottom end inside the side near the clamping plate.

[0013] According to the technical scheme, the two clamping plates at the same end of the connecting middle rod extrude the top surface and the bottom surface of the upper chord, and the rough plane is close to the side of the sealing rubber gasket.

[0014] According to the technical scheme, the two ends of the plug contact two connecting bolts respectively, and the centers of the filling hole and the convection hole are in the same vertical plane.

[0015] Compared with the prior art, the beneficial effects of the present application are: 1. The abdominal rod adjusting assembly is provided, the adjusting flat plate of the adjusting inclined rod is placed in the adjusting sliding groove, the mounting sliding block slides along the T-shaped groove, the adjusting screw hole at the top end of the mounting sliding block is provided with the adjusting screw rod, the bottom end of the adjusting screw rod is rotationally connected with the mounting sliding block, the adjusting flat plate at the top end of the adjusting inclined rod is placed in the adjusting sliding groove of the upper chord, the pin is pulled out, under the reset pushing force of the compression spring, the clamping sleeve strikes the end of the adjusting sliding groove, the clamping lugs are clamped in the clamping inclined grooves, and the clamping sleeve is temporarily fixed to prevent the whole from loosening during subsequent adjustment and combination. If the error of the truss end and the mounting position is large, the adjusting inclined rod is pulled along the adjusting sliding groove, and then the adjusting screw rod is rotated, the adjusting screw rod is rotated in the adjusting screw hole, and the clamping sleeve in the adjusting sliding groove of the lower chord is lifted to a certain angle by relying on the thread pushing, fine adjustment is performed, so that the adjusting inclined rod and the adjusting vertical rod lift the upper chord, and the lower chord is pulled, until the lower chord and the upper chord are aligned with the corresponding mounting positions, the angle of the adjusting inclined rod and the adjusting vertical rod can be fine adjusted, the adjusting inclined rod and the adjusting vertical rod can reach the designed accurate angle after installation, fine adjustment can be easily realized in high-altitude operation, and installation errors caused by positioning deviation are avoided.

[0016] 2. The top connecting assembly is provided, then the clamping plates at the two ends of the connecting middle rod are clamped at the two parallel upper chords, the connecting bolts are rotated and fixed, the bottom end of the temporarily combined truss is placed in the mounting position and is fixed, the sealing end cover is clamped at the two clamping plates at the same end, the rubber film in the filling hole is pried open, the polyurethane foaming glue is filled through the filling hole, the polyurethane foaming glue fills the gap between the clamping plates, and flows through the convection hole, the outer side of the connecting bolt is completely wrapped, the sealing rubber gasket between the clamping plate and the upper chord can ensure the sealing of the connecting position, prevent water from seeping into the gap between the clamping plate and the connecting bolt, avoid loosening of the connecting position due to rust, and further ensure the stability of the connection. In summary, the abdominal rod adjusting assembly can effectively avoid the problem that the connection mounting position error is large and difficult to weld and install by adjusting before welding, improve the installation efficiency, and quickly install, and the top connecting assembly can ensure the sealing of the connecting position, prevent water from seeping into the gap between the clamping plate and the connecting bolt, avoid loosening of the connecting position due to rust, ensure the stability of the connection, and further improve the strength and service life of the whole truss. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are intended to provide further description of the application and are not intended to limit the application.

[0018] In the drawings: Figure 1 is a flow chart of the method of the present application; Figure 2 is a structural schematic diagram of the present application; Figure 3 is a structural schematic diagram of the web member adjusting assembly of the present application; Figure 4 is a structural schematic diagram of the installation of the clamping sleeve of the present application; Figure 5 is a structural schematic diagram of the A area of the present application; Figure 4 Figure 6 is a structural schematic diagram of the installation of the connecting plate of the present application; Figure 7 is a structural schematic diagram of the top connecting assembly of the present application; Figure 8 is a structural schematic diagram of the installation of the sealing end cover of the present application; Reference numerals in the drawings: 1, lower chord; 2, upper chord; 3, web member adjusting assembly; 301, adjusting inclined rod; 302, adjusting flat plate; 303, clamping sleeve; 304, extruded spring; 305, adjusting vertical rod; 306, adjusting sliding groove; 307, clamping inclined plate; 308, clamping inclined groove; 309, butting hole; 310, alignment hole; 311, pin; 312, T-shaped groove; 313, mounting sliding block; 314, adjusting screw rod; 315, adjusting screw hole; 316, connecting plate; 317, adjusting internal screw tube; 318, positioning screw rod; 319, mounting screw hole; 4, top connecting assembly; 401, connecting middle rod; 402, clamping plate; 403, sealing groove; 404, sealing rubber gasket; 405, connecting bolt; 406, sealing end cover; 407, filling hole; 408, rubber sheet; 409, convection hole; 410, stopper. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present application will be described below with reference to the drawings, and it should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0020] Embodiment: As shown in the drawings, the present application provides a truss web member positioning and installation method and technical solution for rapid construction, comprising the following steps: Figure 1 ​​S1: Initial assembly: The adjustment plate 302 is placed in the adjustment slot 306. Under the reset force of the extrusion spring 304, the clamping sleeve 303 hits the end of the adjustment slot 306. The clamping bevel 307 is clamped in the clamping bevel slot 308, temporarily fixing the clamping sleeve 303. S2: Top connection, the connecting plates 402 connecting the two ends of the middle rod 401 are connected to the two parallel upper trusses 2; S3: Adjust and align. Pull the adjusting diagonal rod 301 along the adjusting slot 306. The adjusting screw 314 rotates in the adjusting screw hole 315. The adjusting diagonal rod 301 and the adjusting vertical rod 305 lift the upper truss 2 until the lower truss 1 and the upper truss 2 are aligned with the corresponding installation positions. S4: Welding and fixing: the adjusting plate 302 and the clamping sleeve 303 in the adjusting chute 306 are welded and fixed, and the top of the adjusting vertical rod 305 and the lower truss rod 1 are welded and fixed.

[0021] like Figures 2-8 As shown, an upper truss 2 is installed at the top of the lower truss 1, and a web adjustment assembly 3 is installed between the lower truss 1 and the upper truss 2. The web adjustment assembly 3 includes an adjusting diagonal rod 301, an adjusting plate 302, a clamping sleeve 303, an extrusion spring 304, an adjusting vertical rod 305, an adjusting slide 306, a clamping oblique piece 307, a clamping oblique groove 308, a docking hole 309, an alignment hole 310, a pin 311, a T-slot 312, a mounting slider 313, an adjusting screw 314, an adjusting screw hole 315, a connecting plate 316, an adjusting inner screw tube 317, a positioning screw 318 and a mounting screw hole 319; An adjusting diagonal rod 301 is installed between the lower truss rod 1 and the upper truss rod 2. An adjusting plate 302 is welded to the top and bottom of the adjusting diagonal rod 301. Both ends of the adjusting plate 302 are slidably sleeved with a clamping sleeve 303. Extrusion springs 304 are welded to the internal position of the clamping sleeve 303 at both ends of the adjusting plate 302. An adjusting vertical rod 305 is welded to the bottom end of the adjusting diagonal rod 301. Adjusting grooves 306 are opened at the adjusting plates 302 of the lower truss rod 1 and the upper truss rod 2. A clamping bevel 307 is evenly welded at one end of the clamping sleeve 303. 06 are evenly provided with snap-fitting bevel grooves 308 at both ends, and both ends of the adjusting slide groove 306 are acute angles. The end of the snap-fitting sleeve 303 is an acute angle that matches the end of the adjusting slide groove 306. The thickness of the snap-fitting sleeve 303 is the same as the depth of the adjusting slide groove 306, which is convenient for fixing the snap-fitting sleeve 303 in the snap-fitting bevel groove 308. The top surface of the adjusting plate 302 is symmetrically provided with docking holes 309. The snap-fitting sleeve 303 is provided with alignment holes 310 corresponding to the docking holes 309. The alignment holes 310 are embedded with pins 311 to facilitate fixing the adjusting plate 302 and the snap-fitting sleeve 303. The bottom surface of the adjusting sliding groove 306 of the lower beam 1 is symmetrically provided with a T-shaped groove 312, a mounting sliding block 313 is slidably connected in the T-shaped groove 312, the bottom end of the mounting sliding block 313 is rotatably connected with an adjusting screw rod 314, the adjusting screw rod 314 is provided with an adjusting screw hole 315 at the position corresponding to the adjusting screw rod 314, the top end of the adjusting vertical rod 305 is welded with a connecting plate 316, the top surface of the adjusting vertical rod 305 and the connecting plate 316 is flush, the connecting plate 316 is in extrusion contact with the lower beam 1, so as to provide support, and the one end of the connecting plate 316 is welded with an adjusting inner screw pipe 317, and the adjusting inner screw pipe 317 is internally provided with a positioning screw rod 318. The bottom surface of the upper beam 2 near the connecting plate 316 is uniformly provided with a mounting screw hole 319.

[0022] The top connecting assembly 4 is symmetrically mounted between the two upper beams 2, and the top connecting assembly 4 comprises a connecting middle rod 401, a clamping plate 402, a sealing groove 403, a sealing rubber pad 404, a connecting bolt 405, a sealing end cover 406, a filling hole 407, a rubber soft sheet 408, a convection hole 409 and a stopper 410. The connecting middle rod 401 is mounted between the two upper beams 2, the clamping plates 402 are welded on the bottom surface and the top surface of the two ends of the connecting middle rod 401, the sealing grooves 403 are formed in the clamping plates 402 near the upper beams 2, the sealing rubber pads 404 are embedded in the sealing grooves 403, the two clamping plates 402 at the same end of the connecting middle rod 401 are in extrusion contact with the top surface and the bottom surface of the upper beams 2, and the side of the sealing rubber pad 404 near the upper beam 2 is a rough plane, so that the sealing property between the clamping plate 402 and the upper beam 2 is improved. The two clamping plates 402 at the same end of the connecting middle rod 401 are connected through the connecting bolt 405, the sealing end cover 406 is clamped and mounted at the end of the clamping plate 402, the filling hole 407 is formed in the middle of the sealing end cover 406, the rubber soft sheet 408 is symmetrically bonded in the filling hole 407, the convection hole 409 is formed in the clamping plate 402 inside the sealing end cover 406, the stoppers 410 are embedded in the top end and the bottom end of the inner side of the sealing end cover 406 near the clamping plate 402, the two ends of the stopper 410 are in contact with the two connecting bolts 405, and the centers of the filling hole 407 and the convection hole 409 are in the same vertical plane, so that the polyurethane foam glue can be filled into the sealing end cover 406.

[0023] The working principle and use process of the present application: before the truss assembly, first place the lower chord 1 on the flat bottom, install the sliding block 313 in the T-shaped groove 312, then put the adjusting flat plate 302 at the bottom of the adjusting inclined rod 301 into the adjusting sliding groove 306, align the butt joint hole 309 and the alignment hole 310 before putting in, install the pin 311 in the aligned butt joint hole 309 and the alignment hole 310, slide the adjusting screw hole 315 at the top of the adjusting sliding block 313 along the T-shaped groove 312, install the adjusting screw rod 314 in the adjusting screw hole 315 at the top of the adjusting sliding block 313, rotate and connect the adjusting screw rod 314 at the bottom of the adjusting sliding block 313, put the adjusting flat plate 302 at the top of the adjusting inclined rod 301 into the adjusting sliding groove 306 of the upper chord 2, pull out the pin 311, under the reset pushing force of the compression spring 304, the clamping sleeve 303 hits the end of the adjusting sliding groove 306, the clamping wedge 307 is clamped in the clamping inclined groove 308, and the clamping sleeve 303 is temporarily fixed; Then clamp the clamping plates 402 at both ends of the connecting middle rod 401 on two parallel upper chords 2, rotate and connect the connecting bolts 405 to fix, place the temporarily combined truss end at the installation position and fix it, clamp the sealing end cover 406 at both clamping plates 402 at the same end, push the rubber sheet 408 in the filling hole 407, fill the polyurethane foam glue through the filling hole 407, the polyurethane foam glue fills the gap between the clamping plates 402, and flows through the convection hole 409, completely wrapping the outside of the connecting bolt 405, cooperating with the sealing rubber pad 404 between the clamping plate 402 and the upper chord 2, can ensure the sealing of the connection, prevent water from seeping into the gap between the clamping plate 402 and the connecting bolt 405, avoid loosening of the connection due to rust, and further ensure the stability of the connection; Align the temporarily combined truss end with the corresponding installation position, if the error between the truss end and the installation position is large, pull the adjusting inclined rod 301 along the adjusting sliding groove 306, then rotate the adjusting screw rod 314, the adjusting screw rod 314 rotates in the adjusting screw hole 315, relies on the thread to push the clamping sleeve 303 in the adjusting sliding groove 306 of the lower chord 1 to rise to a certain angle, and is adjusted, so that the adjusting inclined rod 301 and the adjusting vertical rod 305 lift the upper chord 2, and pull the lower chord 1, until the lower chord 1 and the upper chord 2 are aligned with the corresponding installation position, finally, rotate the positioning screw rod 318 in the adjusting inner tube 317 of the adjusting plate 316, the positioning screw rod 318 is connected with the mounting screw hole 319, the upper chord 2 is fixed, the preparation work before welding is completed, the angle of the adjusting inclined rod 301 and the adjusting vertical rod 305 can be adjusted, the adjusting inclined rod 301 and the adjusting vertical rod 305 can reach the designed accurate angle after installation, the adjustment can be easily realized in high-altitude operation, and installation error caused by positioning deviation is avoided; After the temporary assembly is completed, welding is performed in the adjusting groove 306 to weld and fix the adjusting plate 302 and the clamping sleeve 303 in the adjusting groove 306, and to weld and fix the top end of the adjusting vertical rod 305 and the lower beam 1, so as to improve the stability of the connection and the strength of the whole truss; The abdominal rod adjusting assembly 3 can effectively avoid the problem of large connection installation position error and difficult welding installation by adjusting before welding, improve the installation efficiency, and quickly install. The top connection assembly 4 can ensure the sealing of the connection, prevent water from seeping into the gap between the clamping plate 402 and the connecting bolt 405, avoid loosening of the connection due to rust, ensure the stability of the connection, and further improve the strength and service life of the whole truss.

[0024] Finally, it should be noted that: the above only for the preferred examples of the present application, and not for limiting the present application, although the present application is described in detail with reference to the foregoing examples, for those skilled in the art, it still can be modified to the technical solution recorded in the foregoing embodiments, or equivalent replacement of part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fast construction truss web positioning and installation method, characterized in that: The steps include: S1: Preliminary assembly, the adjusting plate (302) is placed in the adjusting chute (306), and under the reset pushing force of the extrusion spring (304), the clamping sleeve (303) hits the end of the adjusting chute (306), and the clamping bevel (307) is clamped in the clamping bevel (308), temporarily fixing the clamping sleeve (303); S2: top connection, the connecting plates (402) connecting the two ends of the middle rod (401) are connected to the two parallel upper trusses (2); S3: Adjust the alignment, pull the adjustment diagonal rod (301) along the adjustment slot (306), and rotate the adjustment screw (314) in the adjustment screw hole (315), and the adjustment diagonal rod (301) and the adjustment vertical rod (305) lift the upper truss rod (2) until the lower truss rod (1) and the upper truss rod (2) are aligned with the corresponding installation positions; S4: Welding and fixing: welding and fixing the adjustment plate (302) and the clamping sleeve (303) in the adjustment chute (306), and welding and fixing the top of the adjustment vertical rod (305) and the lower truss rod (1).

2. A method for positioning and installing a truss web member for rapid construction according to claim 1, characterized in that: It comprises a lower truss rod (1), an upper truss rod (2) is installed at the top end of the lower truss rod (1), a web rod adjustment assembly (3) is installed between the lower truss rod (1) and the upper truss rod (2), and the web rod adjustment assembly (3) comprises an adjustment diagonal rod (301); An adjusting diagonal rod (301) is installed between the lower truss rod (1) and the upper truss rod (2), an adjusting plate (302) is welded to the top and bottom ends of the adjusting diagonal rod (301), a clamping sleeve (303) is slidably sleeved on both ends of the adjusting plate (302), an extrusion spring (304) is welded to the inner position of the clamping sleeve (303) at both ends of the adjusting plate (302), an adjusting vertical rod (305) is welded to the bottom end of the adjusting diagonal rod (301), and an adjusting slot (306) is provided on the lower truss rod (1) and the upper truss rod (2) corresponding to the adjusting plate (302); The bottom surface of the adjustment slot (306) of the lower truss (1) is symmetrically provided with a T-slot (312), the interior of the T-slot (312) is slidably engaged with a mounting slider (313), the interior of the mounting slider (313) is rotatably connected to the bottom end of the adjustment screw (314), and the clamping sleeve (303) is provided with an adjustment screw hole (315) corresponding to the adjustment screw (314).

3. A method for positioning and installing a truss web member for rapid construction according to claim 2, characterized in that: One end of the clamping sleeve (303) is evenly welded with a clamping bevel (307), and both ends of the adjusting slide groove (306) are evenly provided with a clamping bevel groove (308).

4. A method for positioning and installing a truss web member for rapid construction according to claim 2, characterized in that: The top surface of the adjustment plate (302) is symmetrically provided with docking holes (309), and the clamping sleeve (303) is provided with alignment holes (310) corresponding to the docking holes (309), and the alignment holes (310) are embedded with pins (311).

5. A method for positioning and installing a truss web member for rapid construction according to claim 2, characterized in that: A connecting plate (316) is welded to the top of the adjusting vertical rod (305), an adjusting inner screw tube (317) is welded to one end of the connecting plate (316), a positioning screw (318) is installed inside the adjusting inner screw tube (317), and mounting screw holes (319) are evenly opened on the bottom surface of the upper truss rod (2) near the connecting plate (316).

6. A method for positioning and installing a truss web member for rapid construction according to claim 3, characterized in that: Both ends of the adjusting slot (306) are acute angles, the end of the clamping sleeve (303) is an acute angle that matches the end of the adjusting slot (306), and the thickness of the clamping sleeve (303) is the same as the depth of the adjusting slot (306).

7. A method for positioning and installing a truss web member for rapid construction according to claim 5, characterized in that: The top surfaces of the adjusting vertical rod (305) and the connecting plate (316) are flush, and the top surface of the connecting plate (316) is pressed and in contact with the lower truss (1).

8. A method for positioning and installing a truss web member for rapid construction according to claim 2, characterized in that: A top connection assembly (4) is symmetrically installed between the two upper trusses (2), and the top connection assembly (4) includes a connecting middle rod (401); A connecting middle rod (401) is installed between the two upper trusses (2), and a clamping plate (402) is welded to the bottom and top surfaces of both ends of the connecting middle rod (401). A sealing groove (403) is provided on the side of the clamping plate (402) close to the upper trusses (2), and a sealing rubber gasket (404) is embedded in the sealing groove (403); The two clamping plates (402) located at the same end of the connecting middle rod (401) are connected by a connecting bolt (405), and a sealing end cover (406) is clamped and installed at the end of the clamping plate (402). A filling hole (407) is opened in the middle of the sealing end cover (406), and a rubber soft film (408) is symmetrically bonded inside the filling hole (407). The clamping plate (402) is opened at the inside of the sealing end cover (406) with a convection hole (409), and the sealing end cover (406) is embedded with a stopper (410) at the top and bottom of the inner side close to the clamping plate (402).

9. A method for positioning and installing a truss web member for rapid construction according to claim 8, characterized in that: The two clamping plates (402) located at the same end of the connecting middle rod (401) respectively squeeze the top surface and the bottom surface of the upper truss rod (2), and the side of the sealing rubber pad (404) close to the upper truss rod (2) is a rough surface.

10. A method for positioning and installing a truss web member for rapid construction according to claim 8, characterized in that: Both ends of the blocking plug (410) contact two connecting bolts (405) respectively, and the centers of the filling hole (407) and the convection hole (409) are both located in the same vertical plane.

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