CN107142852B - Bridge guardrail drilling and planting reinforcement structure and its construction method - Google Patents

Abstract

The invention discloses a drilling and bar planting structure for a bridge guardrail, which comprises a moving vehicle, wherein the moving vehicle comprises a vehicle body, and four corners of the vehicle body are provided with hydraulic parallel lifting columns; the hydraulic lifting vehicle is characterized in that a hydraulic lifting vehicle which is driven by a first hydraulic rod to move back and forth on a guide rail rod is mounted on the rear side of the vehicle body, the guide rail rod is mounted on the hydraulic lifting vehicle, a threaded rod which is driven by a motor to rotate is mounted in the guide rail rod (210), and a moving frame is mounted on the threaded rod; a contraction box which is driven to rotate by a motor is installed on the moving frame, a second hydraulic lifting column is installed in the contraction box, a drill bit is installed on the second hydraulic lifting column, a nut connector is sleeved at the intersection of the drill bit and the second hydraulic lifting column, and a power mechanism which drives the second hydraulic lifting column to rotate is arranged in the contraction box; the invention has the beneficial effects that: the invention has high degree of automation, automatic drilling and cleaning, automatic bar planting for installing the rear guardrail, high speed and quick construction, and is suitable for popularization and use.

Description

Bridge guardrail drilling and planting reinforcement structure and its construction method

technical field

The invention relates to a bridge guardrail drilling and planting bar structure and a construction method thereof, belonging to the technical field of road and bridge construction.

Background technique

Guardrails are mainly used for the protection and protection of personal safety and equipment and facilities in residences, highways, commercial areas, public places and other occasions. Guardrails are everywhere in our lives. The price per meter of length of the guardrail varies according to the height.

Application No. CN104480857A discloses a highway bridge outer edge modular guardrail structure and its installation and construction method. A modular guardrail structure at the outer edge of a highway bridge, comprising a plurality of mutually spliced guards, a column is penetrated into the guard to be fixed, and a guardrail traverses the top of the column, and is characterized in that the guard is a non-closed rectangular integrated device , which has a total of corner 1, corner 2, corner 3 and corner 4, among which: corner 3 extends with a right-angle fold, and once the fastener passes through the right-angle fold and enters the roadbed to fix it vertically, the corner A hinge 1 is installed at one place so that the protective body can be folded; the lower part of the hinge 2 is also linked with a side piece, and the fastener 3 passes through the side piece and enters the roadbed to fix it laterally. Compared with the prior art, the advantages of the present invention are: by arranging the fasteners on the roadbed according to the designed spacing, the integral movable protective body in the device is fixed on the preset fasteners, and the removal is done. It is easy to install, easy to replace and maintain, and its use and maintenance costs are greatly reduced.

When the guardrail is installed, it is necessary to manually drill the installation point of the guardrail and install the screw, which is very inconvenient, and at the same time, the positioning is not accurate, which leads to the difficulty of construction.

SUMMARY OF THE INVENTION

The present invention overcomes the problems existing in the prior art, and proposes a bridge guardrail drilling and planting reinforcement structure and a construction method thereof. The present invention is specially aimed at many inconveniences in the installation process of the middle guardrail. Holes, automatic planting of reinforcement for rear guardrail installation, fast speed, fast construction.

The concrete technical scheme of the present invention is as follows:

The structure of the bridge guardrail drilling and planting bars includes a mobile car, the mobile car includes a car body, and hydraulic parallel lifting columns are installed at the four corners of the car body; A hydraulic lift truck that moves back and forth on the rail rod, the rail rod is installed on the hydraulic lift truck, a threaded rod driven by a motor to rotate is installed in the rail rod, and the moving frame is installed on the threaded rod;

The movable frame is installed with a shrink box driven by the first motor, the second hydraulic lifting column is installed in the shrink box, the second hydraulic lifting column is installed with a drill bit, and the intersection of the drill bit and the second hydraulic lifting column is sleeved Nut connector, the shrink box is provided with a power mechanism to drive the second rotation of the hydraulic lifting column;

A T-shaped frame is installed on the side of the shrinkable box, a frame is installed on the T-frame, a screw box driven by the second motor is installed on the frame, and a spring cover is installed on the screw box. One side of the screw box is provided with a rod outlet slot, a sleeve rod that covers the screw in the screw box is installed above the rod outlet slot, and a sleeve rod is installed on the top of the sleeve rod for the nut connector to be inserted to drive the sleeve rod to rotate. The socket of the nut is connected to the head, and the balance spring columns are installed on both sides of the sleeve rod.

Preferably, a push block is installed in the screw box, and the spring rod pushes the push block to move forward to push the screw in the screw box to advance.

Preferably, a grouting mechanism is installed on the other side of the screw box, and the grouting mechanism includes a fixed column installed on the screw box, a turntable is installed on the fixed column, and a motor three is installed in the fixed column. The turntable is driven to rotate, and the air blowing lifting column and the grouting lifting column are installed on the turntable; The heads are respectively connected with external grouting pipes and gas supply pipes.

Based on the above device, the construction method for drilling and planting reinforcing bars for bridge guardrails is characterized in that, comprising the following steps:

1) Move the mobile car to the designated position, and start the car body through the hydraulic parallel lifting column to stabilize the car body;

2) Drive the guide rail rod to move back and forth through the hydraulic rod, and the hydraulic lift truck drives the guide rail rod to move up and down to adjust the moving frame to a suitable position so that the drill bit is perpendicular to the subgrade surface;

3) Drive the drill bit to rotate through the power mechanism in the shrink box, and at the same time the second hydraulic lifting column drives the drill bit to descend to start drilling the concrete on the subgrade surface to form vertical holes;

4) After the drilling is completed, the second hydraulic lifting column drives the drill bit to rise into the shrink box, and then the second motor drives the screw box to rotate 90 degrees to make the fixed column coincide with the original position of the drill bit;

5) The third motor drives the turntable to rotate so that the air blowing lifting column is aligned with the vertical hole groove, and the air blowing lifting column drives the air blowing head to descend. The slag is blown off, and then the motor three drives the turntable to rotate again so that the grouting head is aligned with the vertical hole groove, and the external grouting pipe conveys the glue slurry to the grouting head into the vertical hole groove;

6) The second motor drives the screw box to rotate 180 degrees so that the slot of the nut connector reaches the first position of the drill bit. At this time, the second hydraulic lifting column drives the drill bit to descend into the sleeve rod. At this time, the nut connector is inserted into the slot of the nut connector. The nut connector is driven by the second hydraulic lifting column and the power mechanism to rotate and descend, so that the sleeve rod rotates and presses down, thereby driving the screw in the screw box to descend and rotate and drive into the vertical hole groove to complete the vertical planting of bars;

7) Repeat steps 3)-6) continuously, and drive the guide rail rod forward through the hydraulic rod to complete the vertical drilling;

8) Drive the shrink box to rotate 90 degrees through the first motor, and drive the threaded rod to rotate through the motor. At the same time, the hydraulic lift truck drives the guide rod to move up and down to adjust the appropriate position so that the drill bit is on the same level as the roadbed surface. At this time, the drill bit is aligned with the side of the roadbed surface;

9) Repeat steps 3)-6) again, drive the guide rail rod forward through the hydraulic rod to complete the planting of the side of the roadbed surface, and the planting of the reinforcement is completed at this time;

10) Install the guardrail, manually screw the nut into the screw to complete the installation of the guardrail, and the construction is completed.

The beneficial effects of the invention are as follows: the invention has a high degree of mobilization, automatic drilling, automatic hole cleaning, automatic rebar planting for rear guardrail installation, high speed and rapid construction, and is suitable for popularization and use.

Description of drawings

Fig. 1 is the schematic diagram during construction of the bridge guardrail drilling and planting reinforcement structure of the present invention;

Fig. 2 is the structural schematic diagram of the bridge guardrail drilling and planting reinforcement structure;

Figure 3 is a schematic structural diagram of a guide rail;

Fig. 4 is the structural representation of the components on the moving frame;

FIG. 5 is a schematic view in another view direction of FIG. 4 .

Detailed ways

As shown in the figure, the bridge guardrail drilling and planting reinforcement structure includes a mobile car 200. The mobile car 200 includes a car body 201. The four corners of the car body 201 are installed with hydraulic parallel lifting columns 202; The hydraulic rod drives the hydraulic lift truck 208 that moves back and forth on the rail rod 211. The rail rod 210 is installed on the hydraulic lift truck 208. The rail rod 210 is installed with a threaded rod 212 driven by the motor 209 to rotate, and the moving frame 203 is installed on the threaded rod 212 . The guide rail rod 210 can be moved back and forth by the hydraulic rod, or can be moved up and down by the hydraulic lift truck 208 to adjust the orientation of the moving frame 203 . Four corners of the mobile vehicle 200 are also provided with warning lights for warning during nighttime construction.

The moving frame 203 is installed with a shrink box 204 driven to rotate by a motor 1 213, a hydraulic lifting column 205 is installed in the shrink box 204, and a drill bit 207 is installed on the hydraulic lifting column 2 205. The drill bit 207 is connected to the hydraulic lifting column. The intersection of the second 205 is covered with a nut connector 240, and the shrink box 204 is provided with a power mechanism for driving the second 205 of the hydraulic lifting column to rotate.

A T-shaped frame 216 is installed on the side of the shrink box 204. A frame 221 is installed on the T-frame 216. The frame 221 is installed with a screw box 2079 driven by the second motor 220 to rotate. A spring cover 2072 is installed on the upper part of the screw box 2079 , a rod outlet notch 2075 is provided on one side of the screw box 2079 , and a sleeve rod 2077 is installed above the rod outlet slot 2075 to cover the inner screw of the screw box 2079 , and the sleeve rod 2077 A nut connector slot 2078 is installed on the top for inserting the nut connector 240 to drive the sleeve rod 2077 to rotate. Balance spring columns 2076 are installed on both sides of the sleeve rod 2077 . Both the shrink box 204 and the T-frame 216 can be driven by the motor 1 213 to rotate 90 degrees, so that the entire construction equipment can choose 90 degrees to plant bars on the side 301 of the subgrade surface.

A push block 2074 is installed in the screw box 2079, and the spring rod 2073 resists the push block 2074 to move forward to push the screw in the screw box to advance. Before construction, the screws are evenly arranged in the screw box 2079. When one screw is knocked down, the latter screw is automatically pushed to the front by the push block 2074. This principle is the same as the needle supply principle of the stapler. , and will not be repeated here. During the rebar planting process, the nut connector slot 2078 is snapped into the interior by the nut connector 240 to drive the sleeve rod 2077 to rotate, and the end of the sleeve rod is stuck to the screw rod. Therefore, when the nut connector head 240 rotates, the screw rod is Punched out into the rebar hole. Since there are balance spring columns 2076 on both sides of the sleeve rod 2077, the sleeve rod 2077 can automatically rebound after the screw rod is successfully ejected.

A grouting mechanism 215 is installed on the other side of the screw box 2079. The grouting mechanism 215 includes a fixed column 2151 installed on the screw box 2079. A turntable 2153 is installed on the fixed column 2151. There are three motors to drive the turntable 2153 to rotate. The turntable 2153 is equipped with an air blowing lifting column 2155 and a grouting lifting column 2154; The air blowing head 2158; the grouting head 2157 and the air blowing head 2158 are respectively connected with the external grouting pipe and the air supply pipe.

Based on the above device, the construction method of the bridge guardrail drilling and planting reinforcement includes the following steps:

1) Move the moving vehicle 200 to a designated position, and start the vehicle body 201 through the hydraulic parallel lifting column 202 to stabilize it;

2) Drive the guide rail rod 210 to move back and forth through the hydraulic rod 1 and the hydraulic lift truck 208 to drive the guide rail rod 210 to move up and down to adjust the moving frame 203 to a suitable position so that the drill bit 207 is perpendicular to the roadbed surface;

3) Drive the drill bit 207 to rotate through the power mechanism in the shrink box 204, while the second hydraulic lifting column 205 drives the drill bit 207 to descend to start drilling the concrete on the roadbed surface to form vertical holes;

4) After the drilling is completed, the second hydraulic lifting column 205 drives the drill bit 207 to rise into the shrink box 204, and then the second motor 220 drives the screw box 2079 to rotate 90 degrees so that the fixed column 2151 coincides with the original position of the drill bit 207;

5) The third motor drives the turntable 2153 to rotate so that the air blowing lifting column 2155 is aligned with the vertical holes, and the air blowing lifting column 2155 drives the air blowing head 2158 to descend. The sediment in the straight hole groove is blown off, and then the motor three drives the turntable 2153 to rotate again to make the grouting head 2157 align with the vertical hole groove, and the external grouting pipe conveys the glue slurry to the grouting head 2157 into the vertical hole groove;

6) The second motor 220 drives the screw box 2079 to rotate 180 degrees so that the nut connector slot 2078 reaches the position of the first drill bit 207 and overlaps. At this time, the second hydraulic lifting column 205 drives the drill bit 207 to descend into the sleeve rod 2077. At this time, the nut connector 240 Inserted into the nut connector slot 2078, the nut connector 240 is driven by the hydraulic lifting column 205 and the power mechanism to rotate and descend, so that the sleeve rod 2077 rotates and presses down, thereby driving the screw in the screw box 2079 to descend and rotate and drive into the vertical hole groove Complete vertical planting;

7) Repeat steps 3)-6) continuously, and drive the guide rail rod 210 to advance through the hydraulic rod to complete the vertical drilling;

8) Drive the shrink box 204 to rotate 90 degrees through the motor 1 213, and drive the threaded rod 212 to rotate through the motor 209. At the same time, the hydraulic lift truck 208 drives the guide rail rod 210 to move up and down to adjust the proper position so that the drill bit 207 is at the same level as the roadbed surface. At this time, the drill bit 207 Align the side of the subgrade surface;

9) Repeat steps 3)-6) again, drive the guide rail rod 210 to advance through the hydraulic rod to complete the planting of the side edge 301 of the subgrade surface, and the planting of the reinforcement is completed at this time;

10) Install the guardrail 100, manually screw the nut into the screw to complete the installation of the guardrail, and the construction is completed.

In addition to the above-described embodiments, the present invention may also have other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (3)

1. A structure for planting reinforcing bars by drilling into a bridge guardrail, comprising a moving vehicle (200), the moving vehicle (200) comprising a vehicle body (201), and four corners of the vehicle body (201) are provided with hydraulic parallel lifting columns (202); It is characterized in that the rear side of the vehicle body (201) is provided with a hydraulic lift truck (208) which is driven by a hydraulic rod to move back and forth on the guide rail rod (211), and the guide rail rod (210) is installed on the hydraulic lift truck. (208), a threaded rod (212) driven by a motor (209) to rotate is installed in the guide rail rod (210), and the moving frame (203) is installed on the threaded rod (212); the four corners of the moving vehicle (200) warning lights are also installed; The moving frame (203) is provided with a shrinking box (204) driven to rotate by the first motor (213), and the second hydraulic lifting column (205) is installed in the shrinking box (204), and the second hydraulic lifting column (205) A drill bit (207) is installed on the drill bit (207), a nut connector (240) is sleeved at the intersection of the drill bit (207) and the second hydraulic lifting column (205), and the shrink box (204) is provided with a driving hydraulic lifting column two (205) A rotating power mechanism; a T-shaped frame (216) is installed on the side of the shrink box (204), a frame (221) is installed on the T-frame (216), and a frame (221) is installed on the frame (221). There is a screw box (2079) driven to rotate by the second motor (220), a spring cover (2072) is installed on the screw box (2079), and a rod outlet slot (2075) is provided on one side of the screw box (2079) , a sleeve rod (2077) covering the inner screw of the screw box (2079) is installed above the rod outlet slot (2075), and a driving sleeve is installed on the top of the sleeve rod (2077) for the nut connector (240) to be inserted into The rod (2077) rotates with the nut connecting head socket (2078), and balance spring columns (2076) are installed on both sides of the sleeve rod (2077). 2. The bridge guardrail drilling and planting reinforcement structure according to claim 1, characterized in that, a push block (2074) is installed in the screw box (2079), and the spring rod (2073) presses against the push block (2074) to make the push block (2074). Its forward movement pushes the screw in the screw box forward. 3. The construction method for drilling and planting reinforcing bars for bridge guardrail is characterized in that, comprising the following steps: 1) Move the moving vehicle (200) to a designated position, and start the vehicle body (201) through the hydraulic parallel lifting column (202) to stabilize it; 2) Drive the guide rail rod (210) to move back and forth through the hydraulic rod, and the hydraulic lift truck (208) drives the guide rail rod (210) to move up and down to adjust the moving frame (203) to a suitable position so that the drill bit (207) is perpendicular to the roadbed surface; 3) The drill bit (207) is driven to rotate by the power mechanism in the shrink box (204), and the second hydraulic lifting column (205) drives the drill bit (207) to descend to start drilling the concrete of the roadbed to form vertical holes; 4) After the drilling is completed, the second hydraulic lifting column (205) drives the drill bit (207) to rise into the shrink box (204), and then the second motor (220) drives the screw box (2079) to rotate 90 degrees to make the fixed column (2151) Coincidence with the original drill bit (207) position; 5) The third motor drives the turntable (2153) to rotate, so that the air blowing lift column (2155) is aligned with the vertical hole groove, and the air blowing lift column (2155) drives the air blowing head (2158) to descend. At this time, the external high-pressure air pump blows against The air head (2158) supplies air to blow out the sediment in the vertical holes, and then the motor three drives the turntable (2153) to rotate again so that the grouting head (2157) is aligned with the vertical holes, and the external grouting pipe The grouting head (2157) transports the glue slurry into the vertical hole groove; 6) The second motor (220) drives the screw box (2079) to rotate 180 degrees so that the nut connector slot (2078) reaches the position of the first drill bit (207) and overlaps. At this time, the second hydraulic lifting column (205) drives the drill bit (207) to descend Enter the sleeve rod (2077), at this time the nut connector (240) is inserted into the nut connector slot (2078), and the nut connector (240) is driven by the second hydraulic lifting column (205) and the power mechanism. The rod (2077) rotates and presses down, thereby driving the screw in the screw box (2079) to descend and rotate and drive into the vertical hole groove to complete the vertical planting; 7) Repeat steps 3)-6) continuously, and drive the guide rail rod (210) to advance through the hydraulic rod to complete the vertical drilling; 8) The first motor (213) drives the shrink box (204) to rotate 90 degrees, and the motor (209) drives the threaded rod (212) to rotate, and the hydraulic lift truck (208) drives the guide rail rod (210) to move up and down to adjust the proper position Make the drill bit (207) level with the subgrade surface, and at this time the drill bit (207) is aligned with the side of the subgrade surface; 9) Repeat steps 3)-6) again, and drive the guide rail rod (210) forward by the hydraulic rod to complete the planting of the reinforcement on the side (301) of the subgrade surface, and the reinforcement planting operation is completed at this time; 10) Install the guardrail (100), manually screw the nut into the screw to complete the installation of the guardrail, and the construction is completed.