CN114120865A

CN114120865A - Modularization steel bar truss convenient to combination and dismantlement

Info

Publication number: CN114120865A
Application number: CN202111463773.XA
Authority: CN
Inventors: 张晋; 徐欠牛
Original assignee: Jiangxi Jianbang Technology Co ltd
Current assignee: Jiangxi Jianbang Technology Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-03-01
Anticipated expiration: 2041-12-03
Also published as: CN114120865B

Abstract

The invention relates to a steel bar truss, in particular to a modular steel bar truss convenient to assemble and disassemble. The modular steel bar truss which can be conveniently assembled and disassembled by people and can be conveniently assembled and disassembled by each time of assembly needs to be designed. The utility model provides a modularization steel bar truss convenient to combination and dismantlement, is including interior six rhombus poles, worker's shape frame and casing etc. and both ends all the rigid coupling has worker's shape frame about interior six rhombus poles, and all the rigid coupling has the casing between the left side worker's shape frame front side both ends and between the rear side both ends. The hollow column assembling device pushes the driving mechanism to move downwards, the driving mechanism moves downwards to drive the clamping mechanism to operate to loosen the rotating block, the cylinder body rotates one hundred eighty degrees outwards under the action of gravity, the rotating block drives the hollow column to rotate one hundred eighty degrees outwards, and the other hollow column of the device can be inserted into the cylinder body to be assembled.

Description

Modularization steel bar truss convenient to combination and dismantlement

Technical Field

The invention relates to a steel bar truss, in particular to a modular steel bar truss convenient to assemble and disassemble.

Background

In daily life, large-scale activity can be held sometimes in some places, and large-scale activity then needs the poster to propagate, in order to make the poster can install, all need use steel bar truss to support and place, but steel bar truss all need the combination to use, and the steel bar truss combination has following problem at present: after the combination is in the same place, need use the instrument to screw up the bolt and fix, but when dismantling, still need the people to twist the bolt and loosen, the operation is more troublesome, and when the combination department did not correspond, the people need use the machine to overturn the steel bar truss to corresponding and make up.

Therefore, it is necessary to design and develop a modular steel bar truss which can be conveniently assembled and disassembled by people and can be conveniently assembled and disassembled by people, and the modular steel bar truss can be correspondingly assembled and disassembled every time.

Disclosure of Invention

In order to overcome the defects that people need to twist bolts to loosen, the operation is troublesome, and when the combination position is not corresponding, people need to use a machine to turn the steel bar truss to be correspondingly combined, the invention provides the modularized steel bar truss which can be conveniently combined and disassembled by people and can ensure that the combination can be correspondingly combined and disassembled every time.

The invention is realized by the following technical approaches:

a modularized steel bar truss convenient for combination and disassembly comprises an inner six-diamond rod, an I-shaped frame, a shell, a supporting frame, a rotating block, a barrel, a hollow column, a driving mechanism and a clamping mechanism, wherein the left end and the right end of the inner six-diamond rod are fixedly connected with the I-shaped frame, the shell is fixedly connected between the front end and the rear end of the I-shaped frame on the left side, the shell is fixedly connected between the front end and the rear end of the I-shaped frame on the right side, the rotating block is rotatably connected between the upper part and the lower part of the front side surface and the lower part in the shell in a penetrating way, the barrel is fixedly connected in the middle of the top of the rotating block, the hollow column is fixedly connected in the middle of the bottom of the rotating block, the supporting frame is fixedly connected between the outer side surfaces of the front shell and the outer side surfaces of the rear shell, the clamping mechanism used for clamping and limiting the rotating block is arranged between the shell and the rotating block, and the driving mechanisms used for driving the clamping mechanism to operate are arranged between the I-shaped frame on the left side and the shell, the driving mechanism is contacted with the clamping mechanism.

Further, actuating mechanism is including the holding rod, the movable block, the sliding plate, first slider and first spring, the cover of slidingtype is equipped with the movable block on the worker shape frame, what the left and right sides movable block medial surface all slidingtype is connected with first slider, the rigid coupling has the holding rod between the first slider medial surface middle part of left and right sides, operating personnel can promote the holding rod and move down and drive first slider, all the rigid coupling has the sliding plate that is used for driving the function of chucking mechanism in both sides face middle part around the movable block, the casing cover is run through on chucking mechanism in the sliding plate outer end, be connected with first spring between first slider bottom and the movable block inboard.

Further, chucking mechanism is including the riser, the lug, second spring and fixture block, the draw-in groove has all been opened to front and back both sides revolving block medial surface longitudinal symmetry, there is the riser at the leading flank internal trailing flank middle part and the internal leading flank of trailing flank all embedded sliding connection, the sliding plate outer pot head is on the riser, front and back both sides riser lateral surface upper portion all rigid coupling has the lug, evenly spaced is connected with ten second springs between riser medial surface and the casing medial surface, riser lateral surface longitudinal symmetry rigid coupling has the fixture block that is used for the chucking to the revolving block, the fixture block is located the draw-in groove.

Further, the device comprises a fixing mechanism for providing friction force, the fixing mechanism comprises an internal thread pipe, a u-shaped pipe, a three-way pipe, a rubber sheet, a hexagonal rod, an external thread piston, an L-shaped fixing pipe and a rotary joint, the rubber sheet for providing friction force to enable the combination to be more stable is fixedly connected to the front side and the rear side of the hollow column in a penetrating mode, the middle of the rotary block is fixedly connected with the L-shaped fixing pipe in the penetrating mode, the end portion, close to the rubber sheet, of the L-shaped fixing pipe is located in the hollow column, the end portion, far away from the rubber sheet, of the L-shaped fixing pipe is rotatably communicated with the rotary joint, the u-shaped pipe for discharging liquid into the L-shaped fixing pipe is fixedly connected between the rear portion and the front portion of the upper side and the lower side of the I-shaped frame in a penetrating mode, the two ends of the u-shaped pipe are rotatably connected with the rotary joints on the upper side and the lower side respectively, the three-way pipe is fixedly connected with the middle portions of the u-shaped pipe on the front side and the rear side, the inner end of the three-way pipe penetrates through the inner hexagonal rod, the hexagonal rods are placed on the left side and the right side in the inner hexagonal rod in a sliding mode along the circumferential direction, the inner end of each hexagonal rod is rotatably connected with an external thread piston, the middle of the outer side of each inner hexagonal rod is sleeved with an internal thread pipe used for driving the external thread piston to move along the circumferential rotating mode, and the internal thread pipe is in contact with the external thread piston.

Further comprises an auxiliary mechanism for driving the rotating block to rotate, the auxiliary mechanism comprises a fixed bar and a hexagonal rod, the front side surface in the front side shell and the back side surface in the back side shell are connected with the second sliding blocks in a vertically symmetrical sliding mode, the movable plates for driving the rotating blocks to rotate outwards are fixedly connected between the back side surfaces of the two second sliding blocks on the front side and between the front side surfaces of the two second sliding blocks on the back side, the upper side and the lower side of each movable plate are rotatably connected with the upper parts of the outer side surfaces of the rotating blocks on the upper side and the lower side respectively, the connecting blocks are fixedly connected to the upper parts of the inner side surfaces of the movable plates on the front side and the lower side, the six diamond guide rods are slidably connected on the connecting blocks in a penetrating mode, the inner ends of the six diamond guide rods penetrate through the shell, fixing strips are fixedly connected between the right ends of the two six diamond guide rods on the left side and between the left ends of the two six diamond guide rods on the right side, and the middle parts of the fixing strips are fixedly sleeved on the holding rod.

Further, the device also comprises a pushing mechanism for pushing the barrel to rotate outwards, the pushing mechanism comprises a vertical rod, a triangular plate, a third slider, a guide rod, a trigger rod, a push rod, a third spring and a fourth spring, the third slider is connected with the middle of the lower parts of the left side surface and the right side surface in the shell in an embedded sliding manner, the guide rod is fixedly connected between the middle parts of the inner side surfaces of the two third sliders on each shell, the trigger rod is sleeved on the guide rod in a sliding manner, the third spring is connected between the lower part of the outer side surface of the trigger rod and the inner side surface of the outer third slider, the third spring is sleeved on the guide rod, the fourth spring is connected between the bottom of the third slider and the inner side of the shell, the lower parts of the front side surface and the rear side surface of the trigger rod are fixedly connected with the push rod for driving the barrel to rotate outwards, the vertical rod is fixedly connected with the inner side of the bottom of the connecting block, and the bottom end of the vertical rod is fixedly connected with the triangular plate for driving the trigger rod to move outwards, the set square is contacted with the top end of the trigger rod.

Further, still including bull stick, knob and loop bar, the outer top left and right sides of interior six rhombus poles all rigid couplings have the loop bar, and what the rotary type was connected with the bull stick in the loop bar, bull stick top rigid coupling has and is used for carrying on spacing knob to the holding rod, and bilateral symmetry opens there is the through-hole on the holding rod.

Furthermore, the device also comprises a first magnet and a second magnet, wherein the first magnet is fixedly connected with the outer side surfaces of the front and rear side cylinders in an embedded manner at the position close to the rotating block, the second magnet for positioning the rotating block is fixedly connected with the front side surface in the front side shell and the rear side surface in the rear side shell in an up-and-down symmetrical manner, and the second magnet corresponds to the first magnet.

Compared with the prior art, the invention has the remarkable improvements that:

1. promote actuating mechanism downstream, actuating mechanism downstream drives chucking mechanism and operates and loosen the rotatory piece, because of the effect of gravity, the barrel rotates one hundred eighty degrees outwards and drives hollow post outwards through the rotatory piece and rotate one hundred eighty degrees, can insert the hollow post of another this device and make up in the barrel, during the dismantlement, only need extract hollow post and barrel in, so, convenient dismantlement and combination, work efficiency is high.

2. Under fixed establishment's effect, can be inseparable with the contact of barrel inner wall, fixed establishment provides frictional force, so, can make more firm of hollow post and barrel combination, avoid appearing the phenomenon of rocking.

3. When an operator pushes the holding rod to move downwards, the holding rod also drives the auxiliary mechanism to operate, the auxiliary mechanism operates to drive the rotating block to rotate outwards, and the rotating block rotates outwards to drive the barrel body and the hollow column to rotate outwards by one hundred eighty degrees.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

FIG. 3 is a first partial cross-sectional structural schematic of the present invention.

FIG. 4 is a second partial cross-sectional structural schematic of the present invention.

Fig. 5 is an enlarged schematic view of part a of the present invention.

Fig. 6 is a third partial sectional structural view of the present invention.

Fig. 7 is a schematic view of a first partial body structure according to the present invention.

Fig. 8 is a fourth partial sectional structural view of the present invention.

FIG. 9 is a schematic view of a second partial body structure according to the present invention.

FIG. 10 is a schematic view of a fifth partial cross-sectional structure of the present invention.

Fig. 11 is an enlarged view of part B of the present invention.

Fig. 12 is an enlarged schematic view of part C of the present invention.

FIG. 13 is a sixth partial cross-sectional structural schematic of the present invention.

Fig. 14 is an enlarged view of the portion D of the present invention.

Fig. 15 is a seventh partial sectional structural view of the present invention.

In the reference symbols: 1-inner hexagonal rod, 2-I-shaped frame, 3-shell, 4-support frame, 5-rotating block, 6-cylinder, 7-hollow column, 9-driving mechanism, 91-holding rod, 92-movable block, 93-sliding plate, 94-first sliding block, 95-first spring, 10-clamping mechanism, 101-vertical plate, 102-convex block, 103-second spring, 104-clamping groove, 105-clamping block, 11-fixing mechanism, 111-internal threaded pipe, 112-u type pipe, 113-three-way pipe, 114-rubber skin, 115-hexagonal rod, 116-external threaded piston, 117-L type fixing pipe, 118-rotary joint, 12-auxiliary mechanism, 121-fixing strip, 122-hexagonal diamond guide rod, 123-a second sliding block, 124-a movable plate, 125-a connecting block, 13-a pushing mechanism, 131-a vertical rod, 132-a triangular plate, 133-a third sliding block, 134-a guide rod, 135-a trigger rod, 136-a push rod, 137-a third spring, 138-a fourth spring, 14-a rotating rod, 15-a knob, 16-a loop bar, 17-a through hole, 18-a first magnet and 19-a second magnet.

Detailed Description

The invention is further explained by combining the drawings in the specification and the embodiments of the invention are given by combining the drawings in the specification.

Example 1

A modularized steel bar truss convenient to assemble and disassemble comprises an inner hexagonal rod 1, an I-shaped frame 2, a shell 3, a support frame 4, a rotating block 5, a cylinder body 6, a hollow column 7, a driving mechanism 9 and a clamping mechanism 10, please refer to figures 1, 2, 3, 4, 5, 10, 11, 13 and 14, wherein the I-shaped frame 2 is installed at the left end and the right end of the inner hexagonal rod 1 in a welding connection mode, the shell 3 is installed between the two ends of the front side of the left I-shaped frame 2 and between the two ends of the rear side in a bolt connection mode, the shell 3 is installed between the two ends of the front side and the two ends of the rear side of the right I-shaped frame 2 in a bolt connection mode, the rotating block 5 is rotatably connected between the upper parts of the front side and the lower parts of the front side and the rear side in the shell 3 in a penetrating mode, the cylinder body 6 is installed in the middle of the top of the rotating block 5 in a welding connection mode, the hollow column 7 is fixedly connected in the middle of the bottom of the rotating block 5, support frame 4 is all installed through welded connection's mode between two 3 lateral surfaces of casing in the place ahead and between two 3 lateral surfaces of casing in the rear, install chucking mechanism 10 between casing 3 and the rotatory piece 5, chucking mechanism 10 can realize spacing to the chucking of rotatory piece 5, install actuating mechanism 9 between left and right sides worker shape frame 2 and the casing 3, actuating mechanism 9 and chucking mechanism 10 contact, when operating personnel promotes actuating mechanism 9 and moves down, actuating mechanism 9 can realize driving the function of chucking mechanism 10.

The driving mechanism 9 includes a holding rod 91, a movable block 92, a sliding plate 93, a first sliding block 94 and a first spring 95, please refer to fig. 1-5, the movable block 92 is slidably sleeved on the i-shaped frame 2, the first sliding block 94 is slidably connected to inner sides of the movable blocks 92 on both sides, the holding rod 91 is installed between middle portions of inner sides of the first sliding blocks 94 on both sides by welding, an operator can push the holding rod 91 to move downward to drive the first sliding block 94, the sliding plate 93 is installed on middle portions of front and rear sides of the movable blocks 92 by bolting, an outer end of the sliding plate 93 penetrates through the housing 3 to be sleeved on the clamping mechanism 10, when the sliding plate 93 moves downward, the sliding plate 93 can drive the clamping mechanism 10 to operate, and the first spring 95 is connected between a bottom of the first sliding block 94 and an inner side of the movable block 92.

The clamping mechanism 10 includes a vertical plate 101, a protrusion 102, a second spring 103 and a locking block 105, referring to fig. 3, 4, 10, 11, 13 and 14, the inner sides of the front and rear rotating blocks 5 are symmetrically provided with a locking slot 104, the middle of the inner rear side of the front housing 3 and the inner front side of the rear housing 3 are slidably connected with the vertical plate 101 in an embedded manner, the outer end of the sliding plate 93 is sleeved on the vertical plate 101, the upper parts of the outer sides of the front and rear vertical plates 101 are provided with the protrusion 102 by welding, when the sliding plate 93 moves downwards, the sliding plate 93 can drive the protruding block 102 to move inwards, ten second springs 103 are uniformly connected between the inner side surface of the vertical plate 101 and the inner side surface of the shell 3 at intervals, the outer side surfaces of the vertical plates 101 are vertically symmetrical, clamping blocks 105 are arranged in the clamping grooves 104 in a welding connection mode, and the clamping blocks 105 can clamp the rotating block 5.

Firstly, an operator pushes the driving mechanism 9 to move downwards, the driving mechanism 9 moves downwards to drive the clamping mechanism 10 to operate, the clamping mechanism 10 operates to loosen the rotating block 5, the barrel 6 is heavier than the hollow column 7, the barrel 6 rotates outwards to drive the rotating block 5 to rotate outwards due to the action of gravity, the rotating block 5 rotates outwards to drive the hollow column 7 to rotate, the barrel 6 stops rotating outwards after the barrel 6 rotates outwards by one hundred eighty degrees, at the moment, the barrel 6 is located below, the hollow column 7 is located above, meanwhile, the clamping mechanism 10 operates and resets to clamp and fix the rotating block 5, the driving mechanism 9 and the inner hexagonal rod 1 are bound together and fixed through an iron wire, the other device can be moved to enable the hollow column 7 to be inserted into the barrel 6 to be combined, and the steps are repeated, and a proper amount of the device can be combined together for use. When need not to use this device, take off the iron wire from interior six rhombus poles 1 and actuating mechanism 9, pulling actuating mechanism 9 rebound resets, separates the barrel 6 and the hollow post 7 of combining together again and dismantles, so, makes things convenient for people to make up and dismantle more, improves work efficiency.

Firstly, an operator pushes the holding rod 91 to move downwards, the holding rod 91 moves downwards to drive the first sliding block 94 to move downwards, the first sliding block 94 moves downwards to drive the movable block 92 to move downwards through the first spring 95, the movable block 92 moves downwards to drive the sliding plate 93 to move downwards, the sliding plate 93 moves downwards to drive the clamping mechanism 10 to operate, the clamping mechanism 10 operates to release the rotating block 5, the cylinder body 6 rotates outwards one hundred eighty degrees and is positioned below, the cylinder body 6 also drives the rotating block 5 to rotate outwards one hundred eighty degrees, the rotating block 5 rotates outwards one hundred eighty degrees and drives the hollow column 7 to rotate outwards one hundred eighty degrees and is positioned above, at the moment, the sliding plate 93 continues to move downwards to not limit the clamping mechanism 10, the clamping mechanism 10 operates and resets to clamp the rotating block 5 to limit again, the holding rod 91 is stopped to be pushed, the movable block 92 stops driving the sliding plate 93 to move downwards, the holding rod 91 and the inner hexagonal rod 1 are bound together by iron wires, and the two hollow columns 7 of the device can be inserted into the cylinder body 6 for combination. When the iron wire needs to be detached, the iron wire is taken down from the holding rod 91 and the inner hexagonal rod 1, the holding rod 91 is pulled to move upwards to drive the movable block 92 to move upwards for resetting, and the movable block 92 resets to drive the sliding plate 93 to move upwards for resetting.

When an operator pushes the holding rod 91 to move downwards, the sliding plate 93 moves downwards to drive the convex block 102 to move inwards, the convex block 102 moves inwards to drive the vertical plate 101 to move inwards, the first spring 95 is compressed, the vertical plate 101 moves inwards to drive the clamping block 105 to move inwards, the clamping block 105 moves inwards to be separated from the clamping groove 104, the clamping block 105 releases the rotating block 5, the barrel body 6 rotates outwards to drive the hollow column 7 to rotate outwards through the rotating block 5, the sliding plate 93 continues to move downwards to be separated from the convex block 102, the vertical plate 101 moves outwards to drive the clamping block 105 to move outwards due to the action of the first spring 95, the clamping block 105 moves outwards to be contacted with the rotating block 5, the barrel body 6 rotates outwards by one hundred eighty degrees, the barrel body 6 is positioned below, the hollow column 7 is positioned above, the clamping groove 104 corresponds to the clamping block 105, and the clamping block 101 moves outwards to drive the clamping block 105 to move outwards to reset due to the action of the first spring 95, the locking block 105 is reset and inserted into the locking groove 104 to fix the rotating block 5. When the operator pulls the grip 91 to move upward and return, the sliding plate 93 moves upward and returns to slide over the protrusion 102 due to the first spring 95.

Example 2

On the basis of embodiment 1, the fixing mechanism 11 further comprises a fixing mechanism 11, the fixing mechanism 11 comprises an internal threaded pipe 111, a u-shaped pipe 112, a three-way pipe 113, a rubber sheet 114, a hexagonal rod 115, an external threaded piston 116, an L-shaped fixing pipe 117 and a rotary joint 118, please refer to fig. 1, fig. 2, fig. 3, fig. 7, fig. 8 and fig. 13, the rubber sheets 114 are fixedly penetrated on the front and back sides of the hollow column 7, when the rubber sheets 114 expand, the rubber sheets 114 can provide friction force to make the combination more stable, the L-shaped fixing pipe 117 is fixedly penetrated in the middle of the rotary block 5, the end part of the L-shaped fixing pipe 117 close to the rubber sheets 114 is positioned in the hollow column 7, the end part of the L-shaped fixing pipe 117 far away from the rubber sheets 114 is rotatably communicated with the rotary joint 118, the u-shaped pipe 112 is fixedly penetrated between the front part and the back part of the upper and lower sides of the i-shaped frame 2, and two ends of the u-shaped pipe 112 are rotatably connected with the rotary joints 118 on the upper and lower sides respectively, the U-shaped pipe 112 can discharge liquid into the L-shaped fixed pipe 117, the middle part of the I-shaped frame 2 is fixedly connected with the three-way pipe 113 in a penetrating mode, the front end and the rear end of the three-way pipe 113 are respectively installed with the middle parts of the U-shaped pipes 112 on the front side and the rear side in a welding mode, the inner end of the three-way pipe 113 penetrates through the inner hexagonal rod 1, the hexagonal rod 115 is placed on the left side and the right side of the inner hexagonal rod 1 in a sliding mode along the circumferential direction, the inner end of the hexagonal rod 115 is rotatably connected with the external thread piston 116, the middle part of the outer side of the inner hexagonal rod 1 is sleeved with the internal thread pipe 111 in a rotating mode along the circumferential direction, the internal thread pipe 111 is in contact with the external thread piston 116, and when an operator twists the internal thread pipe 111 to rotate, the internal thread pipe 111 can drive the external thread piston 116 to move.

The auxiliary mechanism 12 further comprises an auxiliary mechanism 12, the auxiliary mechanism 12 comprises a fixed bar 121, a hexagonal rod 122, a second slider 123, a movable plate 124 and a connecting block 125, please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 13 and fig. 15, the second slider 123 is connected to the front side of the front side housing 3 and the rear side of the rear side housing 3 in a vertically symmetrical and sliding manner, the movable plate 124 is installed between the rear sides of the two second sliders 123 at the front side and between the front sides of the two second sliders 123 at the rear side in a welded manner, the upper and lower sides of the movable plate 124 are rotatably connected to the upper portions of the outer sides of the rotating blocks 5 at the upper and lower sides respectively, when the movable plate 124 moves outwards, the movable plate 124 can drive the rotating blocks 5 to rotate outwards, the connecting block 125 is installed on the upper portions of the inner sides of the front and rear sides 124 in a welded manner, the hexagonal rod 122 is slidably connected to the connecting block 125, the inner ends of the six diamond guide rods 122 penetrate through the shell 3, the fixing strips 121 are arranged between the right ends of the two six diamond guide rods 122 on the left side and between the left ends of the two six diamond guide rods 122 on the right side in a welding connection mode, and the middle parts of the fixing strips 121 are fixedly sleeved on the holding rod 91 in a welding connection mode.

The device also comprises a pushing mechanism 13, the pushing mechanism 13 comprises a vertical rod 131, a triangular plate 132, a third slider 133, a guide rod 134, a trigger rod 135, a push rod 136, a third spring 137 and a fourth spring 138, please refer to fig. 3, 4 and 6, the third slider 133 is slidably connected in the middle of the lower parts of the left and right sides in the shell 3 in an embedded manner, the guide rod 134 is installed between the middle parts of the inner sides of the two third sliders 133 on each shell 3 in a welding connection manner, the trigger rod 135 is slidably sleeved on the guide rod 134, the third spring 137 is connected between the lower part of the outer side of the trigger rod 135 and the inner side of the outer third slider 133, the third spring 137 is sleeved on the guide rod 134, the fourth spring 138 is connected between the bottom of the third slider 133 and the inner side of the shell 3, the push rods 136 are fixedly connected to the lower parts of the front and rear sides of the trigger rod 135, when the push rods 136 move outwards, the push rods 136 can drive the barrel 6 to move outwards, vertical bar 131 is installed through welded connection's mode to connecting block 125 bottom inboard, and set-square 132 is installed through bolted connection's mode to vertical bar 131 bottom, and set-square 132 contacts with 135 tops of trigger bar, and when set-square 132 downstream, set-square 132 can realize driving the outside removal of trigger bar 135.

Initially, a proper amount of liquid is filled in the inner hexagonal rod 1, the three-way pipe 113 and the u-shaped pipe 112, when the hollow column 7 is inserted into the cylinder 6 and combined together, an operator can twist the inner threaded pipe 111 to rotate forward, the inner threaded pipe 111 rotates forward to drive the outer threaded piston 116 to move outwards, the outer threaded piston 116 moves outwards to drive the hexagonal rod 115 to move outwards, the hexagonal rod 115 moves outwards to push the liquid in the inner hexagonal rod 1 into the three-way pipe 113, the liquid in the three-way pipe 113 is discharged into the u-shaped pipe 112, the liquid in the u-shaped pipe 112 is discharged into the L-shaped fixed pipe 117, the liquid in the L-shaped fixed pipe 117 is discharged into the hollow column 7, the liquid is contacted with the rubber skin 114, the rubber skin 114 is driven by the liquid to expand to be contacted with the cylinder 6, the rubber skin 114 provides friction force, so that the combination of the cylinder 6 and the hollow column 7 is more stable, and the twisting of the inner threaded pipe 111 is stopped, the internal threaded pipe 111 stops driving the external threaded piston 116 to move outwards, the external threaded piston 116 stops driving the hexagonal rod 115 to move outwards, liquid stops discharging into the hollow column 7, and the rubber sheet 114 stops continuing to expand. When the hollow column 7 needs to be disassembled, the twisting internal threaded pipe 111 is reversely reset, the internal threaded pipe 111 is reversely reset to drive the external threaded piston 116 to move inwards and reset, the external threaded piston 116 moves inwards and resets to drive the hexagonal rod 115 to move inwards and reset, the hexagonal rod 115 resets to pump liquid in the hollow column 7 back into the L-shaped fixed pipe 117, liquid in the L-shaped fixed pipe 117 is pumped back into the u-shaped pipe 112, liquid in the u-shaped pipe 112 is pumped back into the three-way pipe 113, liquid in the three-way pipe 113 is pumped back into the internal hexagonal rod 1, along with the pumping of liquid in the hollow column 7, the liquid stops limiting the rubber sheet 114, the rubber sheet 114 contracts inwards and resets, the rubber sheet 114 is separated from the cylinder 6, the twisting internal threaded pipe 111 is stopped, and the hollow column 7 can be disassembled to be separated from the cylinder 6. Therefore, the hollow column 7 and the barrel 6 can be combined more stably, and the phenomenon of shaking is avoided.

When an operator pushes the holding rod 91 to move downwards, the clamping block 105 moves inwards to be separated from the clamping groove 104, the holding rod 91 is continuously pulled to move downwards, the first spring 95 is compressed, the holding rod 91 also moves downwards to drive the fixing strip 121 to move downwards, the fixing strip 121 moves downwards to drive the hexagonal rod 122 to move downwards, the hexagonal rod 122 moves downwards to drive the connecting block 125 to move downwards, the connecting block 125 moves downwards to drive the movable plate 124 to move downwards, the movable plate 124 moves downwards to drive the rotating block 5 to rotate outwards, the rotating block 5 rotates outwards to drive the movable plate 124 to move outwards, the rotating block 5 rotates outwards to drive the cylinder 6 and the hollow column 7 to rotate outwards, when the rotating block 5 rotates by one hundred eighty degrees, the cylinder 6 is located below, the hollow column 7 is located above, the holding rod 91 is stopped being pushed, and the holding rod 91 and the inner hexagonal rod 1 can be bound together by using iron wires. When the iron wire is detached, the hollow column 7 is separated from the cylinder 6, and the iron wire can be taken down from the holding rod 91 and the inner hexagonal rod 115, the holding rod 91 is loosened, the first slider 94 moves upwards to drive the holding rod 91 to move upwards for resetting under the action of the first spring 95, the holding rod 91 moves upwards to reset to drive the fixing strip 121 to move upwards for resetting, the fixing strip 121 moves upwards to reset through the hexagonal rod 122 to drive the connecting block 125 to move upwards for resetting, the connecting block 125 resets to drive the movable plate 124 to move upwards, the movable plate 124 moves upwards to drive the rotary block 5 to rotate inwards for resetting, the rotary block 5 rotates inwards to reset to drive the movable plate 124 to move inwards for resetting, and the rotary block 5 resets to drive the cylinder 6 and the hollow column 7 to rotate inwards for resetting. Thus, the barrel 6 and the hollow column 7 can be prevented from being combined under the condition that the barrel and the hollow column cannot rotate outwards by one hundred eighty degrees.

When the movable plate 124 moves downwards to drive the rotating block 5 to rotate outwards, the connecting block 125 moves downwards to drive the vertical rod 131 to move downwards, the vertical rod 131 moves downwards to drive the triangular plate 132 to move downwards, the triangular plate 132 moves downwards to drive the trigger rod 135 to move downwards first, the trigger rod 135 moves downwards to drive the guide rod 134 to move downwards, the guide rod 134 moves downwards to drive the third slider 133 to move downwards, the fourth spring 138 is compressed, the trigger rod 135 moves downwards to drive the push rod 136 to move downwards, the push rod 136 moves downwards to be close to the cylinder 6, when the third slider 133 moves downwards to the maximum stroke, the third slider 133 stops moving downwards, the guide rod 134 stops moving downwards, the triangular plate 132 continues to move downwards to drive the trigger rod 135 to move outwards, the third spring 137 is compressed, the trigger rod 135 moves outwards to drive the push rod 136 to move outwards, the pushing rod 136 moves outwards to drive the barrel 6 to rotate outwards, when the barrel 6 rotates outwards to the lower side, the movable plate 124 stops moving downwards, the connecting block 125 stops driving the vertical rod 131 to move downwards, the triangle 132 stops driving the trigger rod 135 to move outwards, and the pushing rod 136 stops moving outwards. When the movable plate 124 moves upward to drive the rotating block 5 to rotate inward for resetting, the rotating block 5 rotates inward to drive the cylinder 6 and the hollow column 7 to rotate inward, the connecting block 125 moves upward to drive the triangle plate 132 to move upward for resetting through the vertical rod 131, the triangle plate 132 moves upward for resetting without limiting the trigger rod 135, due to the action of the third spring 137, the trigger rod 135 moves inward for resetting to drive the push rod 136 to move inward for resetting, meanwhile, due to the action of the fourth spring 138, the third slider 133 moves upward to drive the guide rod 134 to move upward for resetting, the guide rod 134 moves upward for resetting to drive the trigger rod 135 to move upward for resetting, and the trigger rod 135 moves upward for resetting to drive the push rod 136 to move upward for resetting. Thus, the barrel 6 can better rotate outwards, and the barrel 6 can be prevented from rotating inwards first.

Example 3

On the basis of the embodiment 1 and the embodiment 2, the handle further comprises a rotating rod 14, a knob 15 and a loop bar 16, please refer to fig. 1, fig. 4, fig. 5 and fig. 9, the loop bar 16 is installed on the left and right sides of the outer top of the inner hexagonal rod 1 in a welding connection mode, the rotating rod 14 is rotatably connected in the loop bar 16, the knob 15 is installed on the top end of the rotating rod 14 in a welding connection mode, the knob 15 can limit the holding rod 91, and the holding rod 91 is symmetrically provided with through holes 17.

The magnetic positioning device further comprises a first magnet 18 and a second magnet 19, as shown in fig. 3, 10 and 12, the first magnet 18 is fixedly embedded at a position, close to the rotating block 5, of the outer side surfaces of the front and rear side cylinders 6, the second magnet 19 is fixedly connected to the front side surface in the front side shell 3 and the rear side surface in the rear side shell 3 in an up-and-down symmetrical manner, the second magnet 19 corresponds to the first magnet 18, and when the second magnet 19 contacts with the first magnet 18, the second magnet 19 and the first magnet 18 can position the rotating block 5.

When operating personnel promoted holding rod 91 and moves down, holding rod 91 moves down and still drives through-hole 17 and moves down, and when holding rod 91 moved down to the maximum stroke, bull stick 14 passed through-hole 17 with loop bar 16, can twist knob 15 and rotate ninety degrees, and knob 15 rotates ninety degrees and contacts with holding rod 91, and knob 15 carries on spacingly to holding rod 91. When the holding rod 91 needs to be reset, the knob 15 is turned to ninety degrees for resetting, the knob 15 stops limiting the holding rod 91, and the holding rod 91 moves upwards to reset and drives the through hole 17 to move upwards for resetting. So, need not operating personnel and tie up holding rod 91 and interior six rhombus poles 1 with the iron wire, convenient and fast.

When the barrel 6 rotates outwards, the barrel 6 drives the first magnet 18 to rotate outwards, the upper first magnet 18 rotates outwards to be separated from the upper second magnet 19, and further when the barrel 6 rotates outwards by one hundred eighty degrees, the lower first magnet 18 rotates outwards to be contacted with the lower second magnet 19, and the lower first magnet 18 is contacted with the lower second magnet 19 to attract and position the lower barrel 6. Similarly, when the cylinder 6 is rotated inward to reset, the upper first magnet 18 is rotated inward to reset and contacts with the upper second magnet 19 to attract and position the upper cylinder 6. Thus, the combination of the hollow column 7 and the barrel 6 can be prevented from being affected by the position deviation.

Finally, it is necessary to state that: the above-mentioned contents are only used to help understanding the technical solution of the present invention, and should not be interpreted as limiting the scope of the present invention; insubstantial modifications and adaptations of the invention as described above will occur to those skilled in the art and are intended to be within the scope of the invention as claimed.

Claims

1. A modularized steel bar truss convenient to assemble and disassemble comprises an inner six-diamond-shaped rod (1), an I-shaped frame (2), a shell (3), a support frame (4), a rotating block (5), a barrel body (6) and a hollow column (7), wherein the I-shaped frame (2) is fixedly connected at the left end and the right end of the inner six-diamond-shaped rod (1), the shell (3) is fixedly connected between the two ends of the front side and the two ends of the rear side of the left I-shaped frame (2), the shell (3) is also fixedly connected between the two ends of the front side and the two ends of the rear side of the right I-shaped frame (2), the rotating block (5) is rotatably connected between the upper parts of the front side and the lower parts of the front side and the rear side in the shell (3) in a penetrating manner, the barrel body (6) is fixedly connected in the middle of the top of the rotating block (5), the hollow column (7) is fixedly connected in the middle of the bottom of the rotating block (5), the support frame (4) is fixedly connected between the outer side of the two shells (3) in the front side and between the two shells (3) in the rear side, the clamping mechanism is characterized by further comprising a driving mechanism (9) and a clamping mechanism (10), wherein the clamping mechanism (10) used for clamping and limiting the rotating block (5) is installed between the shell (3) and the rotating block (5), the driving mechanism (9) used for driving the clamping mechanism (10) to operate is installed between the left side H-shaped frame (2) and the shell (3), and the driving mechanism (9) is in contact with the clamping mechanism (10).

2. The modular steel bar truss convenient for combination and disassembly as claimed in claim 1, wherein the driving mechanism (9) comprises a holding rod (91) and a movable block (92), sliding plate (93), first slider (94) and first spring (95), the slip type cover is equipped with movable block (92) on worker shape frame (2), the medial surface of left and right sides movable block (92) all is connected with first slider (94) of slidingtype, rigid coupling has holding rod (91) between the first slider (94) medial surface middle part of left and right sides, operating personnel can promote holding rod (91) and move down and drive first slider (94), both sides face middle part all rigid coupling has sliding plate (93) that are used for driving chucking mechanism (10) function around movable block (92), casing (3) cover is run through to sliding plate (93) outer end on chucking mechanism (10), be connected with first spring (95) between first slider (94) bottom and movable block (92) inboard.

3. The modular steel bar truss convenient for assembly and disassembly as claimed in claim 2, wherein the clamping mechanism (10) comprises a vertical plate (101) and a convex block (102), second spring (103) and fixture block (105), draw-in groove (104) have all been opened to the symmetry from top to bottom to front both sides rotating block (5) medial surface, there are riser (101) in rear side middle part in front side casing (3) and the embedded sliding connection of leading flank in rear side casing (3), sliding plate (93) outer pot head is on riser (101), both sides riser (101) lateral surface upper portion all rigid coupling has lug (102) around, evenly spaced is connected with ten second spring (103) between riser (101) medial surface and casing (3) medial surface, riser (101) lateral surface longitudinal symmetry rigid coupling has fixture block (105) that are used for the chucking to rotating block (5), fixture block (105) are located draw-in groove (104).

4. The modular steel bar truss convenient to combine and disassemble according to claim 3, further comprising a fixing mechanism (11) for providing friction force, wherein the fixing mechanism (11) comprises an internal threaded pipe (111), a u-shaped pipe (112), a three-way pipe (113), a rubber sheet (114), a hexagonal rod (115), an external threaded piston (116), an L-shaped fixing pipe (117) and a rotary joint (118), the rubber sheet (114) for providing friction force to enable the combination to be more stable is fixedly connected to the front side and the rear side of the hollow column (7) in a penetrating mode, the L-shaped fixing pipe (117) is fixedly connected to the middle of the rotary block (5) in a penetrating mode, the end portion, close to the rubber sheet (114), of the L-shaped fixing pipe (117) is located in the hollow column (7), the rotary joint (118) is rotatably communicated with the end portion, far away from the rubber sheet (114), of the L-shaped fixing pipe (117), and the L-shaped fixing pipe (117) is fixedly connected between the rear portion and the front portion of the upper side and the lower side of the I-shaped frame (2) in a penetrating mode ) Interior u type pipe (112), u type pipe (112) both ends are connected with upper and lower both sides rotary joint (118) rotary type respectively, the fixed cross-under in worker shape frame (2) middle part has three-way pipe (113), both ends are respectively with both sides u type pipe (112) middle part fixed connection around three-way pipe (113), six rhombus pole (1) in three-way pipe (113) inner run through, six rhombus pole (115) have all been placed along circumference slidingtype in interior six rhombus pole (1) about both sides, be connected with external screw thread piston (116) of the inner rotary type of six rhombus pole (115), the cover of interior six rhombus pole (1) outside middle part along circumference rotary type is equipped with internal thread pipe (111) that is used for driving external screw thread piston (116) and removes, internal thread pipe (111) and external screw thread piston (116) contact.

5. The modular steel bar truss convenient to assemble and disassemble as claimed in claim 4, further comprising an auxiliary mechanism (12) for driving the rotation block (5) to rotate, wherein the auxiliary mechanism (12) comprises a fixing bar (121), a hexagonal guide bar (122), a second slider (123), a movable plate (124) and a connecting block (125), the second slider (123) is connected to the front side of the front side housing (3) and the rear side of the rear side housing (3) in a vertically symmetrical and sliding manner, the movable plate (124) for driving the rotation block (5) to rotate outwards is fixedly connected between the rear side of the front side second slider (123) and the front side of the rear side second slider (123), the upper and lower sides of the movable plate (124) are rotatably connected to the upper portions of the outer side of the rotation block (5) at the upper and lower sides, and the upper portions of the inner side of the movable plate (124) at the front and rear sides are fixedly connected to the connecting block (125), the six diamond guide rods (122) are slidably connected on the connecting block (125) in a penetrating mode, the inner ends of the six diamond guide rods (122) penetrate through the shell (3), fixing strips (121) are fixedly connected between the right ends of the two six diamond guide rods (122) on the left side and between the left ends of the two six diamond guide rods (122) on the right side, and the middle portions of the fixing strips (121) are fixedly sleeved on the holding rod (91).

6. The modular steel bar truss convenient to assemble and disassemble as claimed in claim 5, further comprising a pushing mechanism (13) for pushing the barrel (6) to rotate outwards, wherein the pushing mechanism (13) comprises a vertical rod (131), a triangular plate (132), a third slider (133), a guide rod (134), a trigger rod (135), a push rod (136), a third spring (137) and a fourth spring (138), the third slider (133) is connected in an embedded manner in the middle of the lower parts of the left and right sides in the shell (3), the guide rod (134) is fixedly connected between the middle parts of the inner sides of the two third sliders (133) on each shell (3), the trigger rod (135) is slidably sleeved on the guide rod (134), the third spring (137) is connected between the lower part of the outer side of the trigger rod (135) and the inner side of the outer side of the third slider (133), and the third spring (137) is sleeved on the guide rod (134), a fourth spring (138) is connected between the bottom of the third sliding block (133) and the inner side of the shell (3), push rods (136) used for driving the barrel (6) to rotate outwards are fixedly connected to the lower portions of the front side face and the rear side face of the trigger rod (135), vertical rods (131) are fixedly connected to the inner side of the bottom of the connecting block (125), a triangular plate (132) used for driving the trigger rod (135) to move outwards is fixedly connected to the bottom end of each vertical rod (131), and the triangular plate (132) is in contact with the top end of the trigger rod (135).

7. The modular steel bar truss convenient to assemble and disassemble according to claim 6, further comprising a rotating rod (14), knobs (15) and loop bars (16), wherein the loop bars (16) are fixedly connected to the left side and the right side of the outer top of the inner hexagonal rod (1), the rotating rod (14) is rotatably connected in the loop bar (16), the knobs (15) for limiting the holding rod (91) are fixedly connected to the top ends of the rotating rod (14), and through holes (17) are symmetrically formed in the holding rod (91) in the left-right direction.

8. The modular steel bar truss convenient to assemble and disassemble as claimed in claim 7, further comprising a first magnet (18) and a second magnet (19), wherein the first magnet (18) is fixedly connected to the outer side surfaces of the front and rear side cylinders (6) at the position close to the rotating block (5) in an embedded manner, the second magnet (19) for positioning the rotating block (5) is fixedly connected to the front inner side surface of the front side shell (3) and the rear inner side surface of the rear side shell (3) in an up-and-down symmetrical manner, and the second magnet (19) corresponds to the first magnet (18).