CN109577549B

CN109577549B - Truss connecting structure and using method thereof

Info

Publication number: CN109577549B
Application number: CN201910020756.5A
Authority: CN
Inventors: 陈民宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2021-03-09
Anticipated expiration: 2039-01-09
Also published as: CN109577549A

Abstract

The invention relates to the field of connecting structures, in particular to a truss connecting structure and a using method thereof. Including the cavity casing of cuboid form, the through-hole has all been seted up at the lateral wall middle part of casing, be provided with two carousels from top to bottom in the casing, carousel part is outstanding outside to the through-hole, outstanding all set up threaded hole on the carousel of through-hole outside, two carousels pass through screw hole female connection's countersunk screw fixed connection, be fixed with the round pin axle with the axle center on the casing, the carousel rotates with the round pin axle and is connected, all be provided with the plane screw thread on the terminal surface that two carousels kept away from each other, the equal slip is provided with the slider in the slotted hole, the slider all is fixed with the terminal surface screw thread with the plane screw thread threaded connection on the carousel on towards the terminal surface of carousel. The truss installation structure is simple in structure, convenient to operate and convenient and fast to install, and trusses with different sizes and structures can be installed and connected, so that the installation efficiency and the stability of the trusses are improved.

Description

Truss connecting structure and using method thereof

Technical Field

The invention relates to the field of connecting structures, in particular to a truss connecting structure and a using method thereof.

Background

Truss: a structure is formed by connecting rod pieces at both ends by hinges. The truss is a plane or space structure which is generally provided with triangular units and consists of straight rods, and the truss rod piece mainly bears axial tension or pressure, so that the strength of materials can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the self weight is reduced, and the rigidity is increased. The truss has the advantages that the rod piece mainly bears tension or pressure, the function of materials can be fully exerted, materials are saved, and the structure weight is reduced. The steel truss that has commonly used, the truss is often used for carrying out the buildding of stage, and very inconvenient when truss connection at that time, the installation effectiveness is lower, and is very inconvenient when the not truss connection of equidimension simultaneously.

Disclosure of Invention

The invention aims to solve the technical problems of simple structure, convenience in installation and use and capability of installing and connecting trusses with different size structures and a using method thereof. In order to achieve the purpose, the invention provides the technical scheme that:

a truss connection structure comprises a cuboid hollow shell, through holes are formed in the middle of the side wall of the shell, two rotating discs which are coaxial and have the same size structure are arranged in the shell up and down, the rotating discs protrude out of the through holes, threaded holes are formed in the rotating discs protruding out of the shell, the two rotating discs are fixedly connected through countersunk screws in threaded holes, pin shafts coaxial with the rotating discs are fixed on the shell, the rotating discs are rotatably connected with the pin shafts, planar threads are arranged on the end faces, far away from each other, of the two rotating discs, four long holes are uniformly formed in the upper end face and the lower end face of the shell according to the center circumference of the shell, one ends of the long holes face the pin shafts, sliding blocks are arranged in the long holes in a sliding mode, end face threads matched with the planar threads on the rotating discs are fixed on the end faces of the sliding blocks, fixed cylinders are fixed on the sliding blocks, the clamping devices on the two fixed cylinders on opposite angles are connected through straight slide bars, the two slide bars on the same side are arranged in a crossed mode and are provided with contact parts, screw sleeves are fixed on the shell below the crossed position of the two slide bars, the axial center lines of the screw sleeves are perpendicular to the upper end face and the lower end face of the shell, screw rods are connected in the screw sleeves in a threaded mode, supporting plates are fixed at the upper ends of the screw rods, and the supporting plates are in contact with the slide bars below.

Specifically, the two side faces of the sliding block are provided with sliding grooves, and the sliding block is arranged in a sliding mode with the shell through the sliding grooves.

Specifically, the clamping device comprises a groove hole formed in the wall of the fixed cylinder, a cam is arranged in the groove hole, the cam is rotatably connected with the side wall of the fixed cylinder through a rotating shaft, one end, facing the pin shaft, of the rotating shaft penetrates through the wall of the fixed cylinder, a connecting rod perpendicular to the rotating shaft is fixed at one end, penetrating through the wall of the fixed cylinder, of the rotating shaft, the axial center line of the connecting rod is perpendicular to the axial center line of the fixed cylinder, a sliding piece is hinged to one end, far away from the rotating shaft, of the connecting rod, and.

Specifically, one end of the connecting rod, which is far away from the rotating shaft, is hinged in a groove of the sliding piece.

Specifically, two ends of the sliding rod are both fixed with baffles.

Specifically, the upper end face of the supporting plate is square. Compared with the prior art, the invention has the beneficial effects that:

the truss installation structure is simple in structure, convenient to operate and convenient and fast to install, and trusses with different sizes and structures can be installed and connected, so that the installation efficiency and the stability of the trusses are improved.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is a bottom view of the present invention.

Fig. 3 is an enlarged view of the area a in fig. 1.

Fig. 4 is a schematic structural diagram of a slider.

Fig. 5 is a schematic structural view of the turntable.

Fig. 6 is a schematic view of the structure of the screw rod and the threaded sleeve disk.

Fig. 7 is a cross-sectional view of the housing.

Part names in the drawings are as follows:

1. the device comprises a shell, 2, a rotary table, 3, a threaded hole, 4, a sunk screw, 5, a plane thread, 6, a sliding block, 7, a fixed cylinder, 8, a slotted hole, 9, a cam, 10, a rotating shaft, 11, a connecting rod, 12, a sliding rod, 13, a sliding piece, 14, a pin shaft, 15, a supporting plate, 16, a baffle, 17, a groove, 18, a sliding groove, 19, an end face thread, 20, a long hole, 21, a through hole, 22, a screw rod, 23 and a screw sleeve.

Detailed Description

As shown in fig. 1-7, a truss connection structure comprises a hollow casing 1 in a rectangular parallelepiped shape, through holes 21 are formed in the middle of the side walls of the casing 1, two rotating discs 2 which are coaxial and have the same size and structure are arranged in the casing 1 from top to bottom, a part of each rotating disc 2 protrudes out of each through hole 21, threaded holes 3 are formed in the rotating discs 2 protruding out of the casing 1, the two rotating discs 2 are fixedly connected by countersunk screws 4 connected with the threaded holes 3 through internal threads, a pin 14 coaxial with the rotating discs 2 is fixed on the casing 1, the rotating discs 2 are rotatably connected with the pin 14, planar threads 5 are arranged on the end surfaces of the two rotating discs 2 which are far away from each other, four long holes 20 are uniformly arranged on the upper and lower end surfaces of the casing 1 according to the center circumference of the casing 1, one ends of the long holes 20 face the pin 14, sliders 6 are slidably arranged in the long holes 20, sliding grooves, the slide block 6 is slidably disposed with the housing 1 through the slide groove 18. The end face, facing the rotary table 2, of the sliding block 6 is fixedly provided with end face threads 19 matched with the plane threads 5 on the rotary table 2, the sliding block 6 is fixedly provided with a fixed cylinder 7, the fixed cylinder 7 is provided with a clamping device, the clamping devices on two fixed cylinders (7) on opposite angles are connected through straight sliding rods (12), two ends of each sliding rod 12 are fixedly provided with baffles 16, the two sliding rods 12 on the same side are arranged in a crossed mode and are provided with contact parts, screw sleeves 23 are fixed on the shell 1 below the crossed positions of the two sliding rods 12, the axial center lines of the screw sleeves 23 are perpendicular to the upper end face and the lower end face of the shell 1, screw rods 22 are in threaded connection with the screw sleeves 23, supporting plates 15 are fixed at the upper ends of the screw rods 22, the supporting plates 15 are in contact with the sliding rods.

The clamping device comprises a slotted hole 8 formed in the wall of the fixed barrel 7, a cam 9 is arranged in the slotted hole 8, the cam 9 is fixedly connected with a rotating shaft 10, the cam 9 is rotatably connected with the side wall of the fixed barrel 7 through the rotating shaft 10, one end of the rotating shaft 10, facing a pin 14, penetrates through the wall of the fixed barrel 7, a connecting rod 11 perpendicular to the rotating shaft 10 is fixed at one end of the rotating shaft 10, which penetrates through the wall of the fixed barrel 7, the axial center line of the connecting rod 11 is perpendicular to the axial center line of the fixed barrel 7, a sliding piece 13 is hinged to one end, far away from the rotating shaft 10, of the connecting rod 11, the end, far away from the rotating shaft 10, is hinged in a groove 17.

When the truss connecting device is used, when the two connected trusses are same in size and structure, the distance between the fixing cylinders 7 is adjusted according to the sizes of the trusses, the two rotary tables 2 are rotated, under the matching action of the plane threads 5 of the rotary tables 2 and the end face threads 19 of the sliding blocks 6, the fixing cylinders 7 positioned on the same side can simultaneously approach or separate from each other along the length direction of the long holes 20 until the fixing cylinders 7 and the straight pipes of the truss connecting ends are coaxial, the straight pipes of the truss connecting ends are respectively inserted into the fixing cylinders 7, then the supporting plates 15 are screwed by a wrench to enable the supporting plates 15 to be far away from the shell 1, the supporting plates 15 tightly push the sliding rods 12 below and above to move towards the direction far away from the shell 1, the sliding rods 12 enable the rotating shafts 10 to drive the cams 9 to rotate through the sliders 13 and the connecting rods 11, the far ends of the cams 9 tightly abut against the straight pipes inserted into the,

when two trusses with different size structures need to be connected, the countersunk head screws 4 on the turntables 2 are taken down, the two turntables 2 can rotate relatively at the moment, the distance between the fixing cylinders 7 at the two sides of the shell 1 is respectively adjusted through the two turntables 2, so that the connecting ends of the two trusses with different size structures can be respectively installed in the fixing cylinders 7 at the two sides of the shell 1, then the supporting plates 15 at the two sides of the shell 1 are screwed, the sliding rods 12 at the two sides are far away from the shell 1, and the straight pipes of the truss connecting ends with different size structures are stably connected by using the clamping devices on the fixing cylinders 7.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A truss connection structure comprises a cuboid hollow shell (1) and is characterized in that through holes (21) are formed in the middle of the side wall of the shell (1), two rotating discs (2) which are coaxial and have the same size and structure are arranged in the shell (1) from top to bottom, the rotating discs (2) partially protrude out of the through holes (21), threaded holes (3) are formed in the rotating discs (2) protruding out of the shell (1), the two rotating discs (2) are fixedly connected through countersunk screws (4) connected with the threaded holes (3) through internal threads, a pin shaft (14) which is coaxial with the rotating discs (2) is fixed on the shell (1), the rotating discs (2) are rotatably connected with the pin shaft (14), planar threads (5) are arranged on the end faces, which are far away from each other, of the two rotating discs (2), four long holes (20) are uniformly distributed on the upper end face and the lower end face of the shell (1) according to the, one end of the long hole (20) faces the pin shaft (14), a sliding block (6) is arranged in the long hole (20) in a sliding way, end face threads (19) matched with the plane threads (5) on the rotating disc (2) are fixed on the end faces of the sliding block (6) facing the rotating disc (2), a fixed cylinder (7) is fixed on the sliding block (6), a clamping device is arranged on the fixed cylinder (7), clamping devices on two fixed cylinders (7) on opposite angles are connected through straight slide bars (12), the two slide bars (12) on the same side are arranged in a crossed mode and are provided with contact parts, a threaded sleeve (23) is fixed on the shell (1) below the crossed position of the two slide bars (12), the axial center line of the threaded sleeve (23) is perpendicular to the upper end face and the lower end face of the shell (1), a screw rod (22) is connected to the threaded sleeve (23) in an internal thread mode, a supporting plate (15) is fixed at the upper end of the screw rod (22), and the supporting plate (15) is in contact with the slide bars (12) below.

2. The truss connection structure as claimed in claim 1, wherein the two side faces of the sliding block (6) are provided with sliding grooves (18), and the sliding block (6) is slidably arranged with the shell (1) through the sliding grooves (18).

3. The truss connection structure as claimed in claim 1, wherein the clamping device comprises a slot (8) formed in the wall of the fixed cylinder (7), a cam (9) is disposed in the slot (8), the cam (9) is rotatably connected with the side wall of the fixed cylinder (7) through a rotating shaft (10), one end of the rotating shaft (10) facing the pin (14) passes through the wall of the fixed cylinder (7), a connecting rod (11) perpendicular to the rotating shaft (10) is fixed at one end of the rotating shaft (10) passing through the wall of the fixed cylinder (7), the axial center line of the connecting rod (11) is perpendicular to the axial center line of the fixed cylinder (7), a slider (13) is hinged to one end of the connecting rod (11) far away from the rotating shaft (10), and the slider (13) is slidably connected with the slide rod (12).

4. A truss attachment arrangement as claimed in claim 3 wherein the link (11) is pivotally connected at its end remote from the pivot (10) to a recess (17) in the slider (13).

5. The truss connection structure as claimed in claim 1, wherein a baffle (16) is fixed to both ends of the sliding bar (12).

6. The truss attachment structure of claim 1 wherein the upper end surface of the support plate (15) is square.

7. A using method of a truss connection structure based on claim 3, characterized in that, when in use, when the two connected trusses are the same in size and structure, the distance between the fixed cylinders (7) is adjusted according to the size of the trusses, the two turntables (2) are rotated, under the matching action of the plane threads (5) on the turntables (2) and the end face threads (19) on the sliding blocks (6), the fixed cylinders (7) on the same side can simultaneously approach or separate from each other along the length direction of the long holes (20) until the fixed cylinders (7) and the straight pipes of the truss connection ends are coaxial, the straight pipes of the truss connection ends are respectively inserted into the fixed cylinders (7), then the supporting plates (15) are screwed by a spanner, so that the supporting plates (15) are far away from the shell (1), and the supporting plates (15) can tightly push the sliding rods (12) below and above to move in the direction far away from the shell (1), the sliding rod (12) enables the rotating shaft (10) to drive the cam (9) to rotate through the sliding piece (13) and the connecting rod (11), the far end of the cam (9) can tightly abut against a straight pipe inserted into the truss connecting end in the fixed cylinder (7), and then two trusses with the same size and structure are connected,

when two trusses of different size structures need to be connected, countersunk screw (4) on carousel (2) are taken off, two carousel (2) can rotate relatively this moment, adjust the distance between the fixed section of thick bamboo (7) of casing (1) both sides respectively through two carousel (2), make the link of two trusses of different size structures install respectively in the fixed section of thick bamboo (7) of casing (1) both sides, then twist layer board (15) of casing (1) both sides, make slide bar (12) of both sides keep away from casing (1), utilize clamping device on fixed section of thick bamboo (7) to carry out the stable connection with the straight tube of the truss link of two different size structures.