CN115014264A - A kind of detection device and detection method of Larsen steel sheet pile insertion and driving inclination - Google Patents

Abstract

The application relates to a Larsen steel sheet pile is inserted and is beaten inclination detection device and detection method relates to the technical field of steel sheet pile construction, and it includes the connecting block, connecting block one side is equipped with the guide that is used for pegging graft Larsen steel sheet pile, pass and the swivelling joint has the dwang on the connecting block, the one end that Larsen steel sheet pile was kept away from to the dwang is equipped with the perpendicular to the dead lever of dwang, the dwang with dead lever place plane with Larsen steel sheet pile place plane is parallel, the connecting block is equipped with the scale that revolutes pole axis evenly distributed towards one side of dead lever. This application has the effect of simplifying the Larsen steel sheet pile and inserting and beating the process, and then improve work efficiency and precision.

Description

A Larsen steel sheet pile insertion and driving inclination detection device and detection method

technical field

The present application relates to the field of steel sheet pile construction, and in particular, to a detection device and a detection method for the inclination of Larsen steel sheet piles.

Background technique

Steel sheet pile construction refers to the construction process in which steel sheet piles are used to achieve the role of foundation pit support in the process of construction. Among them, Larsen steel sheet pile is a kind of steel sheet pile, and Larsen steel sheet pile is also called U-shaped steel sheet pile. , water retaining wall, sand retaining wall; play an important role in engineering as retaining wall, retaining wall, embankment protection bank, etc. in docks and unloading yards. Larsen steel sheet piles as cofferdams are not only green and environmentally friendly, but also have fast construction speed, low construction costs, and good waterproof function.

Usually in the construction of steel sheet piles, the steel sheet piles are first lifted by cranes to the insertion point for pile insertion. When the piles are inserted, the locks should be aligned, and each time a piece is inserted, the pile cap is put on and hammered lightly. The steel sheet piles are driven in several times. The first time is from 20m to 15m, the second time to 10m, the third time to the guide beam height, and the fourth time to the design level after the guide frame is removed. When piling, start to set the driving position and direction of the first and second steel plates to ensure the accuracy, and measure once every 1m of driving.

In view of the above-mentioned related technologies, it is necessary to measure the direction of the steel sheet pile for many times, so as to improve the accuracy.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a detection device and detection method for the inclination of Larsen steel sheet piles.

In the first aspect, a Larsen steel sheet pile insertion slope detection device provided by the application adopts the following technical scheme:

A Larsen steel sheet pile inserting and driving inclination detection device comprises a connecting block, one side of the connecting block is provided with a guide for inserting the Larsen steel sheet pile, and a rotating rod is passed through and rotatably connected to the connecting block, The end of the rotating rod away from the Larsen steel sheet pile is provided with a fixed rod perpendicular to the rotating rod, the plane where the rotating rod and the fixed rod are located is parallel to the plane where the Larsen steel sheet pile is located, and the connecting block faces One side of the fixed rod is provided with scales evenly distributed around the axis of the rotating rod.

By adopting the above technical solution, the fixing rod is inserted vertically on the ground, and then the Larsen steel sheet pile is lifted up, and the lower end of the Larsen steel sheet pile is inserted into the guide member. When the Larsen steel sheet pile is inclined, the guide member and the guide member are driven. The connecting block rotates relative to the rotating rod. At this time, the fixed rod and the connecting block rotate relative to each other, and the inclination angle is visually displayed through the scale, so as to facilitate the adjustment of the direction of the Larsen steel sheet pile and maintain the verticality of the Larsen steel sheet pile. In the process of Larsen steel sheet pile insertion, the verticality of the Larsen steel sheet pile can be observed at all times without multiple measurements, thereby simplifying the Larsen steel sheet pile insertion process and improving work efficiency. In addition, the rotating rod points to the previous one. The location of Larsen steel sheet piles provides quick and convenient guidance for the direction and positioning of Larsen steel sheet piles, improving work efficiency and accuracy.

Optionally, the guide member includes a first guide plate and a second guide plate whose shape matches the shape of the Larsen steel sheet pile, and the first guide plate is close to one end of the connecting block and the second guide plate. One end close to the connecting block is fixedly connected, the other end is parallel and oppositely arranged, and the first guide plate is fixedly connected with the connecting block.

By adopting the above technical solution, the Larsen steel sheet pile can be inserted between the first guide plate and the second guide plate from above. At the same time, because the ends of the first guide plate and the second guide plate are parallel to each other, there is an opening, so there is no Affects the insertion fit between Larsen steel sheet piles and adjacent Larsen steel sheet piles, and improves the efficiency of insertion and driving.

Optionally, several guide wheels are provided on opposite sides of the first guide plate and the second guide plate, and the axes of the guide wheels are parallel to the first guide plate or the second guide plate.

By adopting the above technical solution, the guide wheels between the first guide plate and the second guide plate abut on both sides of the Larsen steel sheet pile, reducing the friction between the Larsen steel sheet pile and the guide, reducing the Larsen steel sheet pile possibility of damage.

Optionally, the other connecting block is provided with the same guide member, and the two guide members are arranged in mirror images with respect to the connecting block.

By adopting the above technical solution, the two guide members are symmetrically arranged, which can increase the contact surface with the ground and provide more support points, thereby improving the stability of the guide member and reducing the possibility of the Larsen steel sheet pile tilting during the insertion and driving process. At the same time, since the adjacent Larsen steel sheet piles need to be engaged, the orientation of the adjacent Larsen steel sheet piles is opposite, and the symmetrical arrangement of the two guides can quickly adapt to the plugging and guiding work of the adjacent Larsen steel sheet piles, improving the work efficiency. efficiency.

Optionally, a positioning assembly is provided between the two first guide plates, the positioning assembly includes a support plate, and the support plate is connected to the ends of the two first guide plates at the same time.

By adopting the above technical solution, the support plate is connected to the first guide plate of the two guide members, the stability of the guide member is improved, the support area is increased, and the support effect is improved.

Optionally, the positioning assembly further includes a positioning spring, one end of the positioning spring is connected to the rotating rod, and the other end of the positioning spring is connected to the support plate.

By adopting the above technical solution, the positioning spring connects the support plate and the rotating rod. When the support plate and the rotating rod rotate relative to each other, the positioning spring deforms and hinders the relative rotation of the two, so that the Larsen steel sheet pile may be inclined and can also be corrected. The effect of Larsen sheet pile inclination.

Optionally, a reinforcement assembly is provided between the support plate and the rotating rod, and the reinforcement assembly includes a moving block threaded on the rotating rod, the moving block is slidably connected to the support plate at the same time, and the The support plate is provided with a first reinforcement block and a second reinforcement block, the first reinforcement block and the second reinforcement block are located at both ends of the moving block and on both sides of the moving block, the first reinforcement block and the second reinforcement block are located on both sides of the moving block. One end of the reinforcing block facing the moving block is provided with an inclined plane, and the side of the inclined plane close to the moving block is inclined downward.

By adopting the above technical solution, when the rotating rod rotates relative to the connecting block, the moving block is driven to translate, and at the same time the moving block abuts on the first reinforcing block along the moving direction. In the same way, the moving block can hinder the reverse rotation of the rotating rod and the connecting block by squeezing the second reinforcing block, thereby improving the stability of the guide member for the support of the Larsen steel sheet pile and improving the stability of the Larsen steel sheet pile. Insertion accuracy.

Optionally, an angle sensor is provided between the rotating rod and the connecting block, the angle sensor is electrically connected with a controller, and the controller is also electrically connected with a warning device.

By adopting the above technical solution, when the rotating rod and the connecting block rotate relative to each other, the angle sensor transmits the signal of the rotation angle to the controller. When the inclination angle of the Larsen steel sheet pile exceeds the range of plus or minus 2°, the controller controls the warning Alarm, monitor and remind the slope of Larsen steel sheet piles.

In the second aspect, a method for detecting the inclination of a Larsen steel sheet pile provided by the application adopts the following technical scheme:

A detection method of a Larsen steel sheet pile insertion slope detection device, comprising the following steps:

S100: The guide is positioned and installed on the ground;

S110: The fixing rod is inserted on the ground until the support plate abuts on the ground;

S200: One end of the Larsen steel sheet pile is inserted into the guide;

S300: Determine the inclination of the Larsen steel sheet pile by detecting the angle between the rotating rod and the connecting block;

S400: Adjust the inclination angle of the Larsen steel sheet pile;

S500: Larsen sheet pile inserted into the ground.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. Quickly monitor and adjust the inclination of the Larsen steel sheet pile through the relative rotation angle of the guide member and the rotating rod, without the need for multiple measurements, thereby simplifying the Larsen steel sheet pile insertion process and improving work efficiency;

2. The positioning component and the reinforcement component provide stable support for the guide, thereby improving the stability and accuracy of the Larsen steel sheet pile.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the embodiment of the present application;

Figure 2 is a schematic structural diagram of the connection between the Larsen steel sheet pile and the detection device;

3 is a schematic structural diagram of a reinforcement assembly in an embodiment of the present application;

FIG. 4 is a partial enlarged schematic view of part A in FIG. 3 .

In the figure, 1, connecting block; 2, guide; 21, first guide plate; 22, second guide plate; 3, rotating rod; 31, scale; 4, fixed rod; 41, pointer; 5, positioning assembly; 51, support plate; 511, chute; 52, arc plate; 53, fixed plate; 54, fixed block; 55, positioning spring; 6, reinforcement assembly; 61, moving block; 62, first reinforcement block; 63, The second reinforcement block; 7. Larsen steel sheet piles.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1 to 4 .

A Larsen steel sheet pile inserting and driving inclination detection device, referring to Figures 1 and 2, includes a connecting block 1, both sides of the connecting block 1 are provided with guides 2, and the two guides 2 are mirrored with respect to the connecting block 1. . A rotating rod 3 passing through the connecting block 1 is provided between the two guide members 2 , the rotating rod 3 is rotatably connected with the connecting block 1 , and the rotating rod 3 is parallel to the symmetrical center lines of the two guide members 2 .

One end of the rotating rod 3 outside the connecting block 1 is fixedly connected with a fixed rod 4 , the fixed rod 4 is perpendicular to the rotating rod 3 , and the end of the fixed rod 4 away from the rotating rod 3 is tapered. A pointer 41 is fixed at one end of the fixed rod 4 that is fixedly connected with the rotating rod 3 , and the side of the connecting block 1 facing the fixed rod 4 is provided with scales 31 evenly distributed around the rotating rod 3 , and the pointer 41 faces the scale 31 .

The fixed rod 4 is vertically inserted at a predetermined position until the two guide members 2 abut on the ground at the same time, the Larsen steel sheet pile 7 is hoisted above the guide member 2, and the lower end of the Larsen steel sheet pile 7 is inserted into the guide member. 2, the Larsen steel sheet pile 7 drives the guide member 2 and the connecting block 1 to rotate synchronously during the insertion process, so that the relative rotation between the connecting block 1 and the rotating rod 3 occurs. At this time, the change of the pointer 41 on the scale 31 is pulled. The slope of the Mori steel sheet pile 7 .

The guide member 2 includes a first guide plate 21 and a second guide plate 22 arranged opposite to each other. One side of the first guide plate 21 is fixedly connected with the connecting block 1 , and the other side faces the second guide plate 22 . One end of the first guide plate 21 close to the connecting block 1 is fixedly connected with one end of the second guide plate 22, the other end of the first guide plate 21 and the other end of the second guide plate 22 are arranged in parallel, and the first guide plate 21 and the second guide plate 22 are arranged in parallel. The two guide plates 22 are both parallel to the Larsen steel sheet pile 7 and have similar shapes. When the Larsen steel sheet pile 7 is inserted into the guide member 2, the end of the Larsen steel sheet pile 7 is inserted between the first guide plate 21 and the second guide plate 22, and one side of the Larsen steel sheet pile 7 abuts At the connection between the first guide plate 21 and the second guide plate 22 , the other side is engaged with the adjacent Larsen steel sheet pile 7 .

Several uniform rollers are installed on the opposite sides of the first guide plate 21 and the second guide plate 22, and the edges of the rollers are in contact with the side walls of the Larsen steel sheet pile 7, and the rollers are not shown in the figure. The friction force between the Larsen steel sheet pile 7 and the guide member 2 is reduced by the roller, so as to facilitate the insertion and driving work of the Larsen steel sheet pile 7 .

A positioning assembly 5 is provided between the two guide members 2 . The positioning assembly 5 includes a support plate 51 located between the two first guide plates 21 . The support plate 51 is perpendicular to the two first guide plates 21 and is simultaneously connected to the two first guide plates 21 . The lower ends of the first guide plates 21 are fixedly connected, and when the lower ends of the first guide plates 21 abut the ground, the support plate 51 also abuts the ground. An arc-shaped plate 52 connecting the two first guide plates 21 is provided between the upper ends of the two first guide plates 21 , and the rotating rod 3 is located between the support plate 51 and the arc-shaped plate 52 . A fixing plate 53 is fixedly connected to one end of the support plate 51 and the arc-shaped plate 52 away from the connecting block 1 , and the end of the rotating rod 3 is rotatably connected to the fixing plate 53 .

When the Larsen steel sheet pile 7 abuts against the arc-shaped plate 52 , the Larsen steel sheet pile 7 can slide along the arc-shaped plate 52 between the first guide plate 21 and the second guide plate 22 , which facilitates the insertion of the Larsen steel sheet pile 7 Cooperate. At the same time, the support plate 51 increases the contact area between the guide member 2 and the ground, thereby improving the stability of the guide member 2, and at the same time reducing the possibility of the guide member 2 being inclined, thereby improving the guiding accuracy.

1 and FIG. 3 , the positioning assembly 5 also includes a fixing block 54 fixed on both sides of the rotating rod 3 , a positioning spring 55 is provided between the fixing block 54 and the support plate 51 , and one end of the positioning spring 55 is connected to one end of the rotating rod 3 . The fixing blocks 54 are fixedly connected, and the other end of the positioning springs 55 is located on the other side of the rotating rod 3 and is fixedly connected with the support plate 51 , so that the positioning springs 55 connected to the two fixing blocks 54 are distributed in a cross manner.

The positioning spring 55 automatically adjusts and corrects the relative position of the rotating rod 3 and the guide member 2. When the guide member 2 and the rotating rod 3 rotate relative to each other, the positioning spring 55 plays a role in hindering and restoring, thereby improving the insertion and driving of the Larsen steel sheet pile 7. stability and precision.

3 and 4 , a reinforcement assembly 6 is further provided between the rotating rod 3 and the support plate 51. The reinforcement assembly 6 includes a moving block 61. One end of the moving block 61 is threadedly connected to the rotating rod 3, and the other end of the moving block 61 is connected to the rotating rod 3. The support plate 51 is slidably connected. The support plate 51 is provided with a chute 511 parallel to the rotation rod 3 . The end of the moving block 61 away from the rotation rod 3 is inserted into the chute 511 and slides along the chute 511 . A first reinforcement block 62 and a second reinforcement block 63 are fixed in the chute 511 , and the first reinforcement block 62 and the second reinforcement block 63 have certain elasticity. The first reinforcement block 62 and the second reinforcement block 63 are located at both ends of the moving block 61 , and the first reinforcement block 62 and the second reinforcement block 63 are located at both sides of the chute 511 . One end of the first reinforcement block 62 and the second reinforcement block 63 close to the moving block 61 is set as an inclined surface, and the side of the inclined surface away from the moving block 61 is gradually away from the bottom of the chute 511 .

When the guide member 2 rotates clockwise relative to the rotating rod 3, the moving block 61 moves toward the first reinforcing block 62 and abuts against the inclined surface of the first reinforcing block 62, so that the moving block 61 exerts pressure on the first reinforcing block 62, and the pressure The guide member 2 is driven to rotate counterclockwise relative to the rotating rod 3, thereby enhancing the stability of the guide member 2 and reducing the inclination of the Larsen steel sheet pile 7. Similarly, when the moving block 61 moves toward the second reinforcing block 63, the moving block 61 is opposite to the second reinforcing block 63. The pressure exerted by the two reinforcing blocks 63 prevents the guide member 2 from rotating counterclockwise relative to the rotating rod 3 .

In order to improve the monitoring accuracy of the inclination of the Larsen steel sheet pile 7, an angle sensor connecting the two is installed between the rotating rod 3 and the connecting block 1, the angle sensor is electrically connected with the controller, and the controller is also electrically connected with a warning device. , the angle sensor, controller and alarm are not shown in the figure. When the angle sensor detects that the relative rotation angle between the rotating rod 3 and the connecting block 1 exceeds 2°, the angle sensor transmits a signal to the controller, and the controller controls the alarm to give an alarm, reminding to adjust the inclination of the Larsen steel sheet pile 7 in time. Thereby, the construction accuracy of the Larsen steel sheet pile 7 is improved.

A detection method of a Larsen steel sheet pile insertion slope detection device, comprising the following steps:

S100: The guide 2 is positioned and installed on the ground;

S110: The fixed rod 4 is inserted on the ground, and the end of the rotating rod 3 faces the previous Larsen steel sheet pile 7 that has completed the insertion and driving work, until the support plate 51 abuts on the ground;

S200: one end of the Larsen steel sheet pile 7 slides along the arc-shaped plate 52 between the first guide plate 21 and the second guide plate 22;

S300: Determine the inclination of the Larsen steel sheet pile 7 by detecting the angle between the rotating rod 3 and the connecting block 1 through the angle sensor and the pointer 41;

S400: Adjust the inclination angle of the Larsen steel sheet pile 7;

S500: Larsen sheet pile 7 inserted into the ground.

The embodiments of this specific implementation manner are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same components are denoted by the same reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims (9)

1. A Larsen steel sheet pile insertion and driving inclination detection device, characterized in that it comprises a connecting block (1), one side of the connecting block (1) is provided with a guide for inserting a Larsen steel sheet pile (7) (2), the connecting block (1) passes through and is rotatably connected with a rotating rod (3). 3) of the fixing rod (4), the plane where the rotating rod (3) and the fixing rod (4) are located is parallel to the plane where the Larsen steel sheet pile (7) is located, and the connecting block (1) faces the fixing rod One side of (4) is provided with scales (31) evenly distributed around the axis of the rotating rod (3). 2 . The device for detecting the inclination of Larsen steel sheet pile insertion according to claim 1 , wherein the guide member ( 2 ) comprises a first shape matching the shape of the Larsen steel sheet pile ( 7 ). 3 . A guide plate (21) and a second guide plate (22), one end of the first guide plate (21) close to the connecting block (1) and the second guide plate (22) close to the connecting block (1) ) is fixedly connected at one end, the other end is parallel and oppositely arranged, and the first guide plate (21) is fixedly connected with the connection block (1). 3. The device for detecting the inclination of Larsen steel sheet pile insertion according to claim 2, characterized in that the first guide plate (21) and the second guide plate (22) are on opposite sides. Several guide wheels are provided, and the axes of the guide wheels are parallel to the first guide plate (21) or the second guide plate (22). 4. A Larsen steel sheet pile insertion and driving inclination detection device according to claim 3, characterized in that the connecting block (1) is provided with the same guide member (2) on the other side, and the two guide members are provided with the same guide member (2). (2) About the connection block (1) Mirror setting. 5. A Larsen steel sheet pile insertion and driving inclination detection device according to claim 4, characterized in that a positioning assembly (5) is provided between the two first guide plates (21), and the positioning The assembly (5) includes a support plate (51), and the support plate (51) is connected with the ends of the two first guide plates (21) at the same time. 6 . The device for detecting the inclination of Larsen steel sheet pile insertion according to claim 5 , wherein the positioning assembly ( 5 ) further comprises a positioning spring ( 55 ), and one end of the positioning spring ( 55 ) is connected to the The rotating rod (3) is connected, and the other end of the positioning spring (55) is connected with the support plate (51). 7. A Larsen steel sheet pile insertion and driving inclination detection device according to claim 5, characterized in that a reinforcement assembly (6) is provided between the support plate (51) and the rotating rod (3) , the reinforcement assembly (6) comprises a moving block (61) threadedly connected to the rotating rod (3), the moving block (61) is slidably connected to the support plate (51) at the same time, and the support plate (51) ) are provided with a first reinforcement block (62) and a second reinforcement block (63), the first reinforcement block (62) and the second reinforcement block (63) are located at both ends of the moving block (61), and Located on both sides of the moving block (61), one end of the first reinforcing block (62) and the second reinforcing block (63) facing the moving block (61) are both set as inclined surfaces, and the inclined surfaces are close to one side of the moving block (61) Slope down. 8. A Larsen steel sheet pile insertion and driving inclination detection device according to claim 1, characterized in that an angle sensor is arranged between the rotating rod (3) and the connecting block (1), and the The angle sensor is electrically connected with a controller, and the controller is also electrically connected with a warning device. 9. A detection method of the Larsen steel sheet pile insertion slope detection device according to any one of claims 1-8, characterized in that, comprising the following steps: S100: The guide (2) is positioned and installed on the ground; S110: The fixing rod (4) is inserted on the ground until the support plate (51) abuts on the ground; S200: One end of the Larsen steel sheet pile (7) is inserted into the guide (2); S300: Determine the inclination of the Larsen steel sheet pile (7) by detecting the angle between the rotating rod (3) and the connecting block (1); S400: Adjust the inclination angle of the Larsen steel sheet pile (7); S500: Larsen sheet pile (7) inserted into the ground.

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