阅读说明：本技术 用于道路桥梁工程和建筑施工的钢结构桁架及施工工艺 (Steel structure truss for road and bridge engineering and building construction and construction process ) 是由 张裕秋 于 2020-04-28 设计创作，主要内容包括：本发明公开了一种用于道路桥梁工程和建筑施工的钢结构桁架及施工工艺,包括第一支架与第二支架,第一支架侧壁设有安装槽,安装槽侧壁与第二支架侧壁共同设有螺孔,螺孔内部螺纹连接有螺栓。其施工工艺包括以下步骤：向放置腔内添加防锈油；在正常天气下,挡水板处于打开的状态；在下雨时,雨水滴落到接水槽内并沿着斜面流到遇水膨胀块上,遇水膨胀块因左端的下壁固定会向右侧吸水膨胀,并推动连接杆移动,进而带动安装板右移,安装板带动挡水板右移,挡水板右端移动到插槽内,将安装槽挡住,防止大量雨水落到安装槽中。本发明能够防止雨水对螺栓侵蚀,保证桁架安装的稳定性,还能防止螺栓生锈,便于后期工作人员对装置进行维护和拆卸。(The invention discloses a steel structure truss for road and bridge engineering and building construction and a construction process thereof. The construction process comprises the following steps: adding anti-rust oil into the placing cavity; in normal weather, the water baffle is in an open state; when raining, the rainwater drips in the water receiving tank and flows to on the water-swelling piece along the slope, the water-swelling piece is because of the fixed expansion that can absorb water to the right side of lower wall of left end to promote the connecting rod and remove, and then drive the mounting panel and move to the right, and the mounting panel drives the breakwater and moves to the right, and in the breakwater right-hand member moved the slot, blocked the mounting groove, prevented that a large amount of rainwater from falling in the mounting groove. The invention can prevent rainwater from corroding the bolt, ensure the stability of truss installation, prevent the bolt from rusting and facilitate later-stage workers to maintain and disassemble the device.)

1. The utility model provides a steel construction truss for road and bridge engineering and construction, includes first support (1) and second support (11), first support (1) lateral wall is equipped with mounting groove (3), mounting groove (3) lateral wall is equipped with screw (10) with second support (11) lateral wall jointly, screw (10) internal thread is connected with bolt (9), its characterized in that: first support (1) inside is equipped with rain-proof mechanism, rain-proof mechanism is including setting up water receiving tank (2) at first support (1) upper wall, first support (1) inside is equipped with installation cavity (4), installation cavity (4) upper wall and water receiving tank (2) intercommunication, installation cavity (4) inside has been placed and has met water inflation piece (5), meet water inflation piece (5) lateral wall fixedly connected with connecting rod (6), it expands water piece (5) one end fixedly connected with mounting panel (7) to keep away from in connecting rod (6), mounting panel (7) lateral wall fixedly connected with breakwater (8), breakwater (8) extend to in mounting groove (3), mounting groove (3) lateral wall is equipped with slot (12) that correspond with breakwater (8).

2. The steel structure truss for road and bridge engineering and construction according to claim 1, wherein: the anti-rust device is characterized in that an anti-rust mechanism is arranged inside the first support (1), the anti-rust mechanism comprises a placing cavity (13) arranged inside the first support (1), anti-rust oil is filled inside the placing cavity (13), an oil suction barrel (14) is fixedly connected to the bottom of the placing cavity (13), a movable plate (17) is connected to the inner wall of the oil suction barrel (14) in a sealing and sliding mode, the lower wall of the oil suction barrel (14) is communicated with the installation cavity (4) through an air duct (18), an oil suction pipe (15) and an oil outlet pipe (16) are communicated with the side wall of the oil suction barrel (14), and one end of the oil suction barrel (14) is far away from the oil outlet pipe (16) and is communicated with the screw hole (10).

3. The steel structure truss for road and bridge engineering and construction according to claim 2, wherein: one end, far away from the oil suction barrel (14), of the oil suction pipe (15) extends to the bottom in the placement cavity (13), a one-way valve is arranged inside the oil suction pipe (15), and a pressure valve is arranged inside the oil outlet pipe (16).

4. The steel structure truss for road and bridge engineering and construction according to claim 2, wherein: first support (1) inside is equipped with fixed chamber (21), lateral wall between fixed chamber (21) and installation cavity (4) inlays jointly and is equipped with friction plate (19), fixed chamber (21) inner wall fixedly connected with resonance piece (20), first support (1) lateral wall runs through and is equipped with a plurality of ventilation holes (22).

5. The steel structure truss construction process for road and bridge engineering and building construction according to claim 2, wherein the steel structure truss construction process comprises the following steps: comprises the following steps of (a) carrying out,

s1: adding anti-rust oil into the placing cavity (13);

s2: in normal weather, the water baffle (8) is in an open state;

s3: when raining, the rainwater drips in water receiving tank (2) and flows to on water-swelling piece (5) along the slope, water-swelling piece (5) are because of the fixed expansion that can absorb water to the right side of lower wall of left end, and promote connecting rod (6) and remove, and then drive mounting panel (7) and move to the right, mounting panel (7) drive breakwater (8) and move to the right, in breakwater (8) right-hand member moved slot (12), block mounting groove (3), prevent that a large amount of rainwater from falling in mounting groove (3).

6. The steel structure truss construction process for road and bridge engineering and building construction according to claim 5, wherein: the method also comprises the following steps of,

s4: in sunny days, after rainwater on the water-swellable block (5) evaporates, the water-swellable block (5) contracts to drive the mounting plate (7) to move left, further drive the water baffle plate (8) to move left, and open the mounting groove (3).

7. The steel structure truss construction process for road and bridge engineering and building construction according to claim 5, wherein: the mounting plate (7) moves to the right, meanwhile, air in the mounting cavity (4) is extruded into the oil suction barrel (14), the moving plate (17) is pushed to move upwards, air or/and antirust oil in the oil suction barrel (14) are extruded into the screw hole (10), after rainwater on the water swelling block (5) evaporates, the mounting plate (7) moves to the left, the air in the oil suction barrel (14) is sucked back into the mounting cavity (4), the moving plate (17) moves downwards under the action of suction force and self gravity, and the antirust oil in the placing cavity (13) is sucked into the oil suction barrel (14).

8. The steel structure truss construction process for road and bridge engineering and building construction according to claim 4, wherein: the airflow generates sound through the vent hole (22), so that the resonance sheet (20) resonates, and generates heat through violent friction with the friction plate (19), and the evaporation rate of water in the water-swelling block (5) can be accelerated.

Technical Field

The invention relates to the technical field of building construction, in particular to a steel structure truss for road and bridge engineering and building construction and a construction process.

Background

The truss structure is economical in material consumption, small in structure dead weight, the rod piece is only stressed by axial tension or axial pressure under most conditions, the rod piece is stressed clearly, and various shapes are easy to form, so that the truss is widely applied to the fields of road and bridge engineering and building construction;

1. the existing truss is exposed outdoors for a long time, rainwater can drip to the fixed position of the truss in rainy days and drip to the surface of the bolt, so that the bolt reacts with water, the bolt is easily eroded by rainwater, the stability of the truss is influenced, the truss is loosened, serious consequences such as truss collapse can be caused, and certain danger is caused;

2. the existing truss is exposed outdoors, can contact with air for a long time, and the bolt can generate oxidation-reduction reaction with oxygen in the air, so that the bolt is rusted, and the bolt can be limited by iron rust between the bolt and the screw hole after being rusted, so that the bolt can be difficult to be screwed out when being maintained or dismantled in the later period, and inconvenience is brought to workers.

Therefore, it is necessary to design a steel structure truss for road and bridge engineering and building construction and a construction process to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a steel structure truss for road and bridge engineering and building construction and a construction process.

In order to achieve the purpose, the invention adopts the following technical scheme:

a steel structure truss for road and bridge engineering and building construction comprises a first support and a second support, wherein a mounting groove is formed in the side wall of the first support, a screw hole is formed in the side wall of the mounting groove and the side wall of the second support together, a bolt is connected to the inside of the screw hole in a threaded manner, a rainproof mechanism is arranged inside the first support and comprises a water receiving groove formed in the upper wall of the first support, a mounting cavity is formed inside the first support, the upper wall of the mounting cavity is communicated with the water receiving groove, a water swelling block is placed inside the mounting cavity, the side wall of the water swelling block is fixedly connected with a connecting rod, one end, away from the water swelling block, of the connecting rod is fixedly connected with a mounting plate, the side wall of the mounting plate is fixedly connected with a water baffle plate, the water baffle plate extends into the mounting groove, and the side wall of the mounting groove is provided with a slot corresponding to the water baffle plate;

the anti-rust device comprises a first support and is characterized in that an anti-rust mechanism is arranged inside the first support, the anti-rust mechanism comprises a placing cavity arranged inside the first support, anti-rust oil is filled inside the placing cavity, an oil suction barrel is fixedly connected to the bottom of the placing cavity, a movable plate is connected to the inner wall of the oil suction barrel in a sealing and sliding mode, the lower wall of the oil suction barrel is communicated with an installation cavity through an air duct, an oil suction pipe and an oil outlet pipe are arranged on the side wall of the oil suction barrel in a communicated mode, and one end, far away from the oil suction barrel, of the oil outlet pipe is communicated with a screw hole.

Preferably, one end of the oil suction pipe, which is far away from the oil suction cylinder, extends to the bottom of the placing cavity, a one-way valve is arranged inside the oil suction pipe, and a pressure valve is arranged inside the oil outlet pipe.

Preferably, the inside fixed chamber that is equipped with of first support, lateral wall between fixed chamber and the installation cavity inlays jointly and is equipped with the friction plate, fixed intracavity wall fixedly connected with resonance piece, first support lateral wall runs through and is equipped with a plurality of ventilation holes.

A construction process of a steel structure truss for road and bridge engineering and building construction comprises the following steps,

s1: adding anti-rust oil into the placing cavity;

s2: in normal weather, the water baffle is in an open state;

s3: when raining, the rainwater drips in the water receiving tank and flows to on the water-swelling piece along the slope, the water-swelling piece is because of the fixed expansion that can absorb water to the right side of lower wall of left end to promote the connecting rod and remove, and then drive the mounting panel and move to the right, and the mounting panel drives the breakwater and moves to the right, and in the breakwater right-hand member moved the slot, blocked the mounting groove, prevented that a large amount of rainwater from falling in the mounting groove.

Preferably, the method further comprises the following steps,

s4: in sunny days, after rainwater on the water-swellable block evaporates, the water-swellable block shrinks to drive the mounting plate to move left, and further drive the water baffle plate to move left, so that the mounting groove is opened.

Preferably, when the mounting plate moves rightwards, air in the mounting cavity is extruded into the oil suction barrel, the moving plate is pushed to move upwards, the air or/and the rust preventive oil in the oil suction barrel is extruded into the screw hole, after rainwater on the water swelling block evaporates, the mounting plate moves leftwards, the air in the oil suction barrel is sucked back into the mounting cavity, the moving plate moves downwards under the action of suction force and self gravity, and the rust preventive oil in the placing cavity is sucked into the oil suction barrel.

The invention has the following beneficial effects:

1. compared with the prior art, the waterproof mechanism is arranged, so that the water baffle can be driven to move right by expanding the water-swelling block when raining, the mounting groove is blocked, and the bolt is prevented from being corroded by rainwater, so that the mounting stability of the truss is ensured;

2. compared with the prior art, the anti-rust mechanism is arranged, the mounting plate can be driven to move through expansion and contraction of the water swelling block, the moving plate is further driven to move, anti-rust oil can be extruded into the screw hole, the bolt is prevented from being rusted due to oxidation reaction with oxygen, and later-period workers can conveniently maintain and disassemble the device;

3. this device is when the wind, and the air current sends sound through the ventilation hole, makes resonance of resonance piece, and the violent friction with the friction plate produces heat, can accelerate the evaporation rate of moisture in the water-swelling piece, and then prolongs the life of water-swelling piece.

Drawings

FIG. 1 is a schematic structural view of a steel structure truss for road and bridge engineering and building construction according to the present invention;

FIG. 2 is an enlarged view of a structure at the position A of the steel structure truss for road and bridge engineering and building construction, which is provided by the invention;

fig. 3 is a schematic structural diagram of a steel structure truss for road and bridge engineering and building construction according to embodiment 2 of the present invention.

In the figure: the water-saving type vibration damper comprises a first support 1, a water receiving groove 2, a mounting groove 3, a mounting cavity 4, a water-swelling block 5, a connecting rod 6, a mounting plate 7, a water baffle 8, a bolt 9, a screw hole 10, a second support 11, a slot 12, a placement cavity 13, an oil suction barrel 14, an oil suction pipe 15, an oil outlet pipe 16, a movable plate 17, an air guide pipe 18, a friction plate 19, a resonance sheet 20, a fixed cavity 21 and a ventilation hole 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-2, a steel structure truss for road and bridge engineering and building construction comprises a first support 1 and a second support 11, wherein a mounting groove 3 is formed in the side wall of the first support 1, screw holes 10 are formed in the side wall of the mounting groove 3 and the side wall of the second support 11, and bolts 9 are connected to the inner threads of the screw holes 10.

The first support 1 is internally provided with a rainproof mechanism, the rainproof mechanism comprises a water receiving groove 2 arranged on the upper wall of the first support 1, the water receiving groove 2 is funnel-shaped, the first support 1 is internally provided with an installation cavity 4, the upper wall of the installation cavity 4 is communicated with the water receiving groove 2, a water swelling block 5 is arranged in the installation cavity 4, the water swelling block 5 is made of water swelling rubber, the water swelling rubber can generate 2-3 times deformation after contacting with water, the water swelling rubber can reduce to the original shape after moisture disappears, further, the water swelling block 5 is positioned at the lower end of the communication part of the water receiving groove 2 and the installation cavity 4, water in the water receiving groove 2 can directly flow onto the water swelling block 5 conveniently, the lower wall of the water swelling block 5 close to the left end is fixedly connected with the bottom of the installation cavity 4, the position of the water swelling block 5 after expansion and reduction is prevented from changing, the side wall of the water swelling block 5 is fixedly connected with a connecting rod 6, water-swelling piece 5 one end fixedly connected with mounting panel 7 is kept away from to connecting rod 6, and mounting panel 7 lateral wall fixedly connected with breakwater 8, breakwater 8 extend to mounting groove 3 in, and 3 lateral walls of mounting groove are equipped with slot 12 corresponding with breakwater 8.

An anti-rust mechanism is arranged inside the first support 1, the anti-rust mechanism comprises a placing cavity 13 arranged inside the first support 1, anti-rust oil is filled inside the placing cavity 13, furthermore, a feed inlet for supplementing the anti-rust oil can be arranged on the side wall of the placing cavity 13, an oil suction barrel 14 is fixedly connected to the bottom of the placing cavity 13, the space of the oil suction barrel 14 close to the bottom end is in an inverted round table shape, a moving plate 17 is connected to the inner wall of the oil suction barrel 14 in a sealing and sliding mode, the diameter of the moving plate 17 is equal to that of the upper bottom surface in the round table shape, the lower wall of the oil suction barrel 14 is communicated with the installation cavity 4 through an air duct 18, an oil suction pipe 15 and an oil outlet pipe 16 are communicated with the side wall of the oil suction barrel 14, one end, far away from the oil suction barrel 14, of the oil suction pipe 15 extends to the inner bottom of the placing cavity 13, a one-way valve is arranged inside the oil suction pipe 15 and limits oil to only flow into the oil suction barrel 14, one end, and one end, far away from the oil outlet pipe 16 is communicated with the screw hole 10, the outlet pipe 16 is internally provided with a pressure valve which opens only when the hydraulic pressure in the suction pipe 15 reaches a critical value.

Under normal weather, breakwater 8 is in the state of opening, when raining, the rainwater drips in water receiving tank 2, can flow to water-swelling piece 5 along the slope rapidly, water-swelling piece 5 is fixed because the lower wall of left end, can absorb water to the right side and expand, and promote connecting rod 6 and remove, and then drive mounting panel 7 and move to the right, mounting panel 7 drives breakwater 8 and moves to the right, 8 right-hand members of breakwater move to in slot 12, can block mounting groove 3, prevent that a large amount of rainwater from falling in mounting groove 3, make bolt 9 and water mix and be eroded, arouse that bolt 9 is not hard up the condition emergence, in fine day, after the rainwater evaporation on water-swelling piece 5, water-swelling piece 5 contracts, drive mounting panel 7 and move to the left, and then drive breakwater 8 and move to the left, open mounting groove 3, the staff of being convenient for maintains or dismantles the truss.

When the mounting plate 7 moves to the right, the air in the mounting cavity 4 can be extruded into the oil suction barrel 14, the moving plate 17 is pushed to move upwards, the air in the oil suction barrel 14 is extruded into the screw hole 10, after rainwater on the water swelling block 5 evaporates, the mounting plate 7 moves to the left, the air in the oil suction barrel 14 is sucked back into the mounting cavity 4, the moving plate 17 moves downwards under the action of suction force and self gravity, the antirust oil in the placing cavity 13 is sucked into the oil suction barrel 14, when raining next time, the moving plate 17 moves upwards, the antirust oil in the oil suction barrel 14 can be extruded into the screw hole 10, the bolt 9 can be further prevented from being oxidized with the air to rust, and the bolt 9 is convenient to disassemble by workers in the later period.

Example 2

Referring to fig. 2-3, a steel structure truss for road and bridge engineering and building construction, a fixed cavity 21 is arranged inside a first support 1, a friction plate 19 is embedded on a side wall between the fixed cavity 21 and a mounting cavity 4, a resonance sheet 20 is fixedly connected to the inner wall of the fixed cavity 21, the resonance sheet 20 can resonate when the sound vibration frequency near the resonance sheet 20 approaches, and a plurality of vent holes 22 are arranged on the side wall of the first support 1 in a penetrating manner.

In this embodiment, when the wind rises, the air current can sound through ventilation hole 22 to arouse the resonance of resonance piece 20, the resonance piece 20 can rub with 19 lateral walls of friction plate ceaselessly during the vibration, thereby produce more heat, can accelerate the evaporation of water in water-swelling piece 5, prevent that water-swelling piece 5 is in moist expanded state for a long time, thereby prolong water-swelling piece 5's life.

Example 3

Referring to fig. 1 to 3, a steel structure truss construction process for road and bridge engineering and building construction includes the steps of,

s1: adding anti-rust oil into the placing cavity 13;

s2: in normal weather, the water baffle 8 is in an open state;

s3: when raining, rainwater drops into the water receiving tank 2 and flows onto the water-swelling block 5 along the inclined plane, the water-swelling block 5 absorbs water and swells towards the right side due to the fact that the lower wall of the left end of the water-swelling block 5 is fixed, the connecting rod 6 is pushed to move, the mounting plate 7 is driven to move to the right, the mounting plate 7 drives the water baffle plate 8 to move to the right, the right end of the water baffle plate 8 moves into the slot 12, the mounting groove 3 is blocked, and a large amount of rainwater is prevented from dropping into the mounting groove 3;

s4: in a sunny day, after rainwater on the water-swellable block 5 evaporates, the water-swellable block 5 contracts to drive the mounting plate 7 to move left, further drive the water baffle 8 to move left, and open the mounting groove 3.

When the mounting plate 7 moves rightwards, air in the mounting cavity 4 is extruded into the oil suction barrel 14, the moving plate 17 is pushed to move upwards, air or/and antirust oil in the oil suction barrel 14 are extruded into the screw hole 10, after rainwater on the water swelling block 5 evaporates, the mounting plate 7 moves leftwards, the air in the oil suction barrel 14 is sucked back into the mounting cavity 4, the moving plate 17 moves downwards under the action of suction and self gravity, and the antirust oil in the placing cavity 13 is sucked into the oil suction barrel 14.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.