CN110779432A - Detection equipment and detection method for flatness of support base cushion stone - Google Patents

Abstract

The invention discloses detection equipment and a detection method for flatness of a support base stone, belonging to the technical field of bridge construction, wherein the detection equipment comprises a centering rod; the plurality of measuring scales are distributed at intervals along the outer circumferential direction of the centering rod and are arranged in parallel with the centering rod; one end of each adjusting mechanism is connected with one measuring scale, the other end of each adjusting mechanism is connected with the centering rod, and the adjusting mechanisms are used for adjusting the positions of the measuring scales in the length direction of the centering rod; and the measuring device is used for horizontally projecting a light ray towards the measuring scale and reading the reading at the position of the light ray on the measuring scale. Only one detection personnel is needed for measurement, the wind resistance of the detection equipment is good, the stability is high, and the safety of the detection personnel is guaranteed.

Description

A kind of detection equipment and detection method for the flatness of support cushion stone

technical field

The invention relates to the technical field of bridge construction, in particular to a detection device and a detection method for the flatness of a support cushion stone.

Background technique

In bridge engineering, in order to ensure the position height and flatness of the beam, it is necessary to strictly control the flatness of the bearing pads. In order to be able to grasp the flatness of the support rock in a timely manner, the inspectors need to set up a level on the top of the pier, and also need to stabilize the tower ruler for observation. When the support is installed, it is also necessary to monitor and control in real time to ensure that the requirements are met. However, this method of detecting the flatness of the support cushion stone has the following defects:

(1) When adjusting the flatness of the support cushion, at least two inspectors are required to observe the instrument throughout the process, and the workload of the personnel is heavy;

(2) In the construction of high piers, the wind force at the top of the pier is relatively large, and there are certain risks in erecting instruments and stabilizing tower rulers, and the active area of the pier top is small, which is inconvenient to move, difficult to communicate, and has high safety risks. Falling from a height will bring serious construction accidents and economic losses.

SUMMARY OF THE INVENTION

Aiming at the defects existing in the prior art, the purpose of the present invention is to provide a detection device and a detection method for the flatness of a support cushion stone, which requires only one detection person to measure, and the detection device has good wind resistance and high stability. , to ensure the safety of inspectors.

In order to achieve the above purpose, the technical scheme adopted in the present invention is:

A detection device for the flatness of a support cushion stone, comprising:

centering rod;

a plurality of measuring rulers, which are distributed at intervals along the outer circumferential direction of the centering rod, and the measuring rulers are arranged in parallel with the centering rod;

a plurality of adjustment mechanisms, one end of the adjustment mechanism is connected with one of the measuring rulers, and the other end is connected with the centering rod, and the adjustment mechanism is used to adjust the position of the measuring ruler in the length direction of the centering rod;

The measuring device is used for horizontally projecting a light toward the measuring ruler, and reading the reading on the position of the light on the measuring ruler.

On the basis of the above technical solution, the adjustment mechanism includes at least one adjustment member, and the adjustment member includes:

a sliding block, which is slidably arranged on the centering rod;

The two ends of the connecting rod are respectively connected with the sliding block and the measuring ruler.

On the basis of the above technical solution, the connecting rod is a telescopic rod, and the telescopic rod is used to adjust the horizontal distance of the measuring ruler relative to the centering rod.

On the basis of the above technical solution, the telescopic rod includes:

a sleeve rod, one end of which is connected with the sliding block;

One end of the movable rod extends into the sleeve rod and can move along the length direction of the sleeve rod, and the other end is connected with the measuring ruler.

On the basis of the above technical solution, the centering rod is provided with a plurality of pin holes, and the plurality of pin holes are arranged at intervals along the height direction of the centering rod, and the sliding block is provided with a connection with the pin The sliding block is connected with the centering rod through a pin shaft, and the pin shaft penetrates between the installation hole and one of the pin holes.

On the basis of the above technical solution, the adjustment mechanism includes two adjustment pieces, and the connecting rods of the two adjustment pieces are arranged in a cross.

On the basis of the above technical solution, the lengths of the connecting rods of the two adjusting members are equal.

On the basis of the above technical solution, the detection device includes four measuring rulers, and the four measuring rulers are evenly spaced along the outer circumferential direction of the centering rod.

On the basis of the above technical solution, the measuring device is a laser line casting instrument.

The present invention also provides a method for detecting the flatness of the support cushion, which comprises the following steps:

Provide the above-mentioned testing equipment for the flatness of the support rock;

Place the centering rod on the support rock, and adjust the centering rod to be vertical;

Adjust the position of the measuring ruler in the length direction of the centering rod through the adjusting mechanism, so that the bottom of the measuring ruler is in contact with the support rock;

A light is projected horizontally toward the measuring ruler by a measuring device, and the reading on the position of the light on the measuring ruler is read.

Compared with the prior art, the advantages of the present invention are:

(1) In the process of detecting the flatness of the support rock, the detection device of the present invention only needs one inspector to place the detection device on the support rock, the detection workload is small, the safety risk is low, and the centering rod and The measuring ruler is composed of high structural stability, good wind resistance, simple detection process and high detection result accuracy.

(2) The detection method of the present invention has a simple detection process and low implementation difficulty, and can complete the detection without the aid of other auxiliary tools, thereby greatly reducing the safety risk of the detection personnel.

Description of drawings

FIG. 1 is a schematic structural diagram of a device for detecting the flatness of a support cushion stone according to an embodiment of the present invention.

In the figure: 1-centering rod, 10-pin hole, 2-measurement ruler, 3-adjustment mechanism, 30-adjustment piece, 300-slide block, 301-connecting rod, 302-installation hole, 4-measurement device, 5 - Circular level.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 , an embodiment of the present invention provides a device for detecting the flatness of a support rock, which includes a centering rod 1, a plurality of measuring rulers 2, a plurality of adjustment mechanisms 3 and a measuring device 4, and the centering rod 1 There is a level on the top of the level, adjust the bubble in the level to the center, so that the centering rod 1 is set vertically, and a plurality of measuring rulers 2 are distributed along the outer circumference of the centering rod 1 at intervals to ensure the stability of the testing equipment, and the measurement The ruler 2 is arranged in parallel with the centering rod 1. When the centering rod 1 is in a vertical state, the measuring ruler 2 is also in a horizontal state; each measuring ruler 2 is connected with the centering rod 1 through the adjusting mechanism 3, and the One end is connected with the measuring ruler 2, and the other end is connected with the centering rod 1. The adjustment mechanism 3 is used to adjust the position of the measuring ruler 2 in the length direction of the centering rod 1. When using, it is necessary to ensure that the bottom of the measuring ruler 2 and the support pad The measuring ruler 2 and the centering rod 1 may not be on the same level. Therefore, it is necessary to use the adjustment mechanism 3 to adjust the relative height between the measuring ruler 2 and the centering rod 1 to The measuring ruler 2 is placed on the support cushion stone; the measuring device 4 is used to project a light ray horizontally toward the measuring ruler 2, and reads the reading at the position of the light on the measuring ruler 2, and judges the support according to the degree of each measuring ruler 2. The flatness of the cushion stone, if the readings of each measuring ruler 2 are the same, it means that the surface of the support cushion stone is flat. If the reading of any measuring ruler 2 is greater than that of other measuring rulers, it means that the measuring ruler 2 is placed on the support. The area on the cushion stone is lower than the area of the support cushion stone on which the other measuring rulers 2 are placed. In the process of detecting the flatness of the support cushion stone in the embodiment of the present invention, only one inspector is required to place the detection device on the support cushion stone, the detection workload is small, and the safety risk is low. The composition has high structural stability, good wind resistance, simple detection process, and high detection result accuracy.

The use principle of the detection device in the embodiment of the present invention is as follows:

The inspector places the centering rod 1 in the middle of the support rock, and adjusts the centering bubble of the centering rod 1 to the center, so that the centering rod 1 is set vertically, so as to ensure that the measuring rulers 2 can also remain vertical Straight state, then each measuring ruler 2 is placed around the support cushion stone respectively, and the relative height between the measuring ruler 2 and the centering rod 1 is adjusted by the adjusting mechanism 3, so that the measuring ruler 2 is placed on the support cushion stone , finally utilize the measuring device 4 to project a ray horizontally toward the measuring ruler 2, and read the reading at the position of the light on the measuring ruler 2, and judge the flatness of the support cushion stone according to the degree of each measuring ruler 2. The readings of ruler 2 are the same, indicating that the surface of the support stone is flat. If the reading of measuring ruler 2 is greater than the readings of other measuring rulers, it means that the area of the measuring ruler 2 placed on the support stone is lower than other measuring rulers 2 The area where the pedestal pads are placed.

Further, the adjustment mechanism 3 includes at least one adjustment member 30, and the adjustment member 30 includes a sliding block 300 and a connecting rod 301. The sliding block 300 is slidably arranged on the centering rod 1; Foot 2 is connected. The sliding block 300 is slid up and down on the centering rod 1 to adjust the relative height between the measuring ruler 2 and the centering rod 1, so that the measuring ruler 2 not only maintains the vertical state, but also can be placed on the support rock to measure the support The flatness of the cushion stone.

Furthermore, the connecting rod 301 is a telescopic rod, and the telescopic rod is used to adjust the horizontal distance of the measuring ruler 2 relative to the centering rod 1 . Due to the different sizes of the support stone, in order to place the centering rod 1 in the middle of the support stone and the measuring ruler 2 on the edge of the support stone, it is necessary to adjust the horizontal distance between the measuring ruler 2 and the centering rod 1 In order to meet the test of the flatness of the measuring ruler 2 that can be applied to different sizes of support cushions, the connecting rod 301 is extended to increase the horizontal distance between the measuring ruler 2 and the centering rod 1, so as to be suitable for large-sized support cushions , the connecting rod 301 is shortened, and the horizontal distance between the measuring ruler 2 and the centering rod 1 is reduced, so as to be suitable for the small-sized support rock.

Preferably, the telescopic rod includes a sleeve rod and a movable rod, one end of the sleeve rod is connected with the sliding block 300 ; The movable rod extends into the sleeve rod to shorten the length of the telescopic rod, thereby reducing the horizontal distance between the measuring ruler 2 and the centering rod 1; the movable rod extends out of the sleeve rod to increase the length of the telescopic rod, thereby increasing the measuring ruler 2 Horizontal distance from centering rod 1.

Preferably, the centering rod 1 is provided with a plurality of pin holes 10, the plurality of pin holes 10 are arranged at intervals along the height direction of the centering rod 1, and the sliding block 300 is provided with a mounting hole 302 adapted to the pin hole 10, The sliding block 300 is connected to the centering rod 1 through a pin shaft, and the pin shaft penetrates between the installation hole 302 and one of the pin holes 10 . After the relative height between the measuring ruler 2 and the centering rod 1 is adjusted, the sliding block 300 is fixed on the centering rod 1 through the pin, so that the measuring ruler 2 is fixed.

Further, the adjusting mechanism 3 includes two adjusting members 30 , and the connecting rods 301 of the two adjusting members 30 are arranged crosswise. The two adjusting members 30 move up and down synchronously on the centering rod 1, so as to realize the up and down movement of the measuring ruler relative to the centering rod 1, and the two adjusting members 30 are arranged crossly, so that the measuring ruler 2 can support the centering rod more stably 1, more wind resistance.

Further, the lengths of the connecting rods 301 of the two adjusting members 30 are equal. This is equivalent to that the centering rod 1 and the measuring ruler 2 are two parallel lines, and the two connecting rods 301 are diagonal lines, forming a more stable parallelogram structure.

Optionally, the detection device includes four measuring rulers 2 , and the four measuring rulers 2 are evenly spaced along the outer circumferential direction of the centering rod 1 . Since the support cushion stone is generally a quadrilateral structure, when testing the flatness of the support cushion stone, four measuring rulers 2 are placed on the four corners of the support cushion stone to measure the flatness of the four sides of the support cushion stone. .

Optionally, the measuring device 4 is a laser line projection instrument, and the laser line projection instrument is adjusted to the level, and the measurement result using the laser line projection instrument is more accurate.

An embodiment of the present invention also provides a method for detecting the flatness of a support cushion stone, which includes the following steps:

Provide the above-mentioned testing equipment for the flatness of the support cushion;

Place the centering rod 1 in the middle of the support stone, and adjust the centering bubble of the centering rod 1 to the center, so that the centering rod 1 is in a vertical state, and at the same time, each measuring ruler 2 is also in a vertical state ;

Adjust the position of the measuring ruler 2 in the length direction of the centering rod 1 through the adjusting mechanism 3, so that the bottom of the measuring ruler 2 is in contact with the support rock;

Use the measuring device 4 to project a ray of light horizontally toward each measuring ruler 2, and read the reading at the position of the light on the measuring ruler 2, and judge the flatness of the support cushion stone according to the degree of each measuring ruler 2. The readings of 2 are the same, indicating that the surface of the support stone is flat. If the reading of measuring ruler 2 is greater than the readings of other measuring rulers, it means that the area where the measuring ruler 2 is placed on the support stone is lower than that of other measuring rulers 2. the area of the pedestal bolster.

The detection method of the embodiment of the present invention has a simple detection process and low implementation difficulty, and can complete the detection without the aid of other auxiliary tools, thereby greatly reducing the safety risk of the detection personnel.

The present invention is not limited to the above-mentioned embodiments. For those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection of the present invention. within the range. Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims (10)

1. a detection device for the flatness of a support cushion stone, is characterized in that, it comprises: centering rod (1); A plurality of measuring rulers (2), a plurality of the measuring rulers (2) are distributed at intervals along the outer circumferential direction of the centering rod (1), and the measuring rulers (2) are connected to the centering rod (1) parallel setting; A plurality of adjustment mechanisms (3), one end of the adjustment mechanism (3) is connected with one of the measuring rulers (2), and the other end is connected with the centering rod (1), and the adjustment mechanism (3) is used to adjust the measurement the position of the ruler (2) in the length direction of the centering rod (1); A measuring device (4) is used for horizontally projecting a light beam toward the measuring ruler (2), and reading the reading at the position of the light beam on the measuring ruler (2). 2. The device for detecting the flatness of a support cushion stone according to claim 1, wherein the adjusting mechanism (3) comprises at least one adjusting member (30), and the adjusting member (30) comprises: a sliding block (300), which is slidably arranged on the centering rod (1); A connecting rod (301), the two ends of which are respectively connected with the sliding block (300) and the measuring ruler (2). 3 . The detection device for the flatness of a support rock according to claim 2 , wherein the connecting rod ( 301 ) is a telescopic rod, and the telescopic rod is used to adjust the relative relation of the measuring ruler ( 2 ) to The horizontal distance of the centering rod (1). 4. The detection device for the flatness of the support rock as claimed in claim 3, wherein the telescopic rod comprises: a sleeve rod, one end of which is connected with the sliding block (300); A movable rod, one end of which extends into the sleeve rod and can move along the length direction of the sleeve rod, and the other end is connected with the measuring ruler (2). 5 . The detection device for the flatness of the support rock according to claim 2 , wherein the centering rod ( 1 ) is provided with a plurality of pin holes ( 10 ), and a plurality of the pin holes ( 10 ). 6 . ) are arranged at intervals along the height direction of the centering rod (1), the sliding block (300) is provided with a mounting hole (302) that is adapted to the pin hole (10), and the sliding block (300) ) is connected with the centering rod (1) through a pin shaft, and the pin shaft penetrates between the installation hole (302) and one of the pin holes (10). 6 . The testing device for the flatness of a support cushion stone according to claim 2 , wherein the adjusting mechanism ( 3 ) comprises two adjusting parts ( 30 ), and the connection between the two adjusting parts ( 30 ) is 6 . The rods (301) are arranged crosswise. 7. The device for detecting the flatness of a support cushion stone according to claim 6, wherein the lengths of the connecting rods (301) of the two adjusting members (30) are equal. 8 . The testing device for the flatness of a support rock as claimed in claim 1 , wherein the testing device comprises four measuring rulers ( 2 ), and the four measuring rulers ( 2 ) are along the centering rod. 9 . The outer circumferential direction of (1) is evenly spaced. 9 . The testing device for the flatness of the support rock according to claim 1 , wherein the measuring device ( 4 ) is a laser line casting instrument. 10 . 10. A method for detecting the flatness of a support cushion, characterized in that it comprises the following steps: Provide the detection equipment for the flatness of the support cushion stone as claimed in claim 1; Place the centering rod (1) on the support rock, and adjust the centering rod (1) to be vertical; The position of the measuring ruler (2) in the length direction of the centering rod (1) is adjusted by the adjusting mechanism (3), so that the bottom of the measuring ruler (2) is in contact with the support stone ; The measuring device (4) is used to project a light beam horizontally toward the measuring ruler (2), and the reading on the measuring ruler (2) at the position of the light is read.

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