A measuring tool for building materials and method of use

Abstract

The application provides a kind of building materials measuring tool and use method, solve the existing measuring tool only can detect the inner diameter of steel pipe, cannot detect the pipe end wall thickness of steel pipe, cannot determine whether the quality problem of pipe end wall thickness exists uneven thickness.The first telescopic rod mechanism, the second telescopic rod mechanism of the present application can be adjusted by hinged connection, so that the measuring tool can complete the measurement of the different inclination angle of the measured steel pipe port;Meanwhile, the fourth telescopic rod mechanism, the first distance sensor of the present application are matched with each other, plus the adjustment of the inner and outer rotation angle of the second servo motor, the third servo motor, so that the measuring tool can complete the data measurement of the inner diameter d, the outer diameter D, the wall thickness h of the measured steel pipe port, and by observing the wall thickness data of each steel pipe port: h1, h2, h3, h4, …, h n compared with wall thickness h, the wall thickness quality of the steel pipe port can also be known.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe diameter measurement, in particular to a kind of measuring tool for building materials and use method. BACKGROUND

[0002] At present, in the field of building materials, the application range of steel pipe is more and more wide, and the connection mode between the steel pipe is mainly on-site welding mode. In some special construction scenes, in order to ensure that two sections of steel pipe can be successfully butt jointed, the size requirement of the steel pipe port is relatively strict. When welding, if the pipe end diameter of two sections of steel pipe meets the requirement, the welding can be successfully completed. Otherwise, it will cause the butt welding of two pipes to be difficult, even if it can be forced to weld together, it will also produce a lot of residual stress, which will cause the mechanical properties of the weld to decrease, and the safety of the pipeline will be reduced.

[0003] The patent document with application number 202111124643.3 discloses a kind of measuring tool for building materials and use method, which can solve the above technical problems. However, the tool has the following shortcomings when in use: (1) the tool can only detect the inner diameter of the steel pipe, cannot detect the wall thickness of the pipe end, and cannot determine whether the wall thickness of the pipe end is uneven; (2) the tool cannot accurately align the center of the steel pipe when in use, and the measurement error is large; (3) the tool cannot measure the steel pipe at high place. SUMMARY

[0004] In order to solve the problem that the existing measuring tool can only detect the inner diameter of the steel pipe, cannot detect the wall thickness of the pipe end, and cannot determine whether the wall thickness of the pipe end is uneven, the present application proposes a kind of measuring tool for building materials and use method.

[0005] The technical scheme of the present application is: a kind of measuring tool for building materials, including bottom plate, the bottom of bottom plate is equipped with walking wheel, bottom plate is equipped with electrical box and first telescopic rod mechanism that can go up and down, the top of first telescopic rod mechanism is hinged with second telescopic rod mechanism that can swing left and right, the end of second telescopic rod mechanism away from first telescopic rod mechanism extends to left, the left end of second telescopic rod mechanism is fixedly connected with installation cylinder, the end of installation cylinder away from second telescopic rod mechanism is open structure, fourth servo motor is fixedly arranged in installation cylinder;

[0006] The left side of installation cylinder is equipped with accurate measuring equipment box, the right side of accurate measuring equipment box is fixedly connected with the output shaft of fourth servo motor, second servo motor is fixedly arranged in accurate measuring equipment box, and the output shaft of second servo motor is fixedly connected with fourth telescopic rod mechanism that can stretch left and right;

[0007] The left side of the accurate measuring equipment box is fixedly provided with a clamping mechanism, the clamping mechanism comprises a circular plate, the right side of the circular plate is fixedly connected with the accurate measuring equipment box, a center through hole that is left-right penetrable is formed in the middle of the circular plate, the center through hole coincides with the central axis of the circular plate, a slot hole corresponding to the center through hole is formed in the left side of the circular plate, the left end of the fourth telescopic rod mechanism sequentially passes through the slot hole, the center through hole and extends to the left side of the circular plate, and the left end of the fourth telescopic rod mechanism is fixedly provided with a first distance measuring sensor;

[0008] The upper and lower ends of the circular plate are both provided with symmetrically arranged connecting frames, the left side of each connecting frame is fixedly provided with a third telescopic rod mechanism capable of telescoping up and down, the third telescopic rod mechanism extends along the radial direction of the circular plate, and the third telescopic rod mechanism is fixedly provided with a clamping plate towards the center through hole, and the upper and lower clamping plates are used for clamping on the outer wall of the steel pipe;

[0009] The electrical box is in control connection with the first telescopic rod mechanism, the second telescopic rod mechanism, the second servo motor, the fourth telescopic rod mechanism, the fourth servo motor, the first distance measuring sensor and the third telescopic rod mechanism.

[0010] Preferably, the fourth telescopic rod mechanism comprises a fourth cylinder body and a fourth piston rod, the fourth piston rod is movably inserted into the left end port of the fourth cylinder body, the right end of the fourth cylinder body is fixedly connected with the output shaft of the second servo motor, and the left end of the fourth cylinder body sequentially passes through the slot hole, the center through hole and extends to the left side of the circular plate;

[0011] The outer wall of the fourth cylinder body is fixedly provided with a proximity switch, the proximity switch is located to the left of the circular plate, and the proximity switch is in signal connection with the electrical box;

[0012] The left and right vertical surfaces of the circular plate are fixedly provided with two magnetically metallic strips that are arranged in an upper and lower spaced mode, the magnetically metallic strips are located to the outside of the proximity switch, the two magnetically metallic strips correspond to the upper and lower two adjacent clamping plates in an upper and lower mode respectively, and the left end of each magnetically metallic strip is located to the right of the left end of the clamping plate;

[0013] When the proximity switch is close to the magnetically metallic strip, the proximity switch can send a signal to stop the rotation of the second servo motor, so that the first distance measuring sensor can measure the vertical distance between the first distance measuring sensor and the clamping plate.

[0014] Preferably, two pull rope displacement sensors that are arranged in an upper and lower spaced mode are fixedly arranged in the accurate measuring equipment box, the two pull rope displacement sensors correspond to the fourth telescopic rod mechanism in an upper and lower radial mode, and the pull rope displacement sensors are in signal connection with the electrical box;

[0015] Two rope holes that correspond to the center through hole in an upper and lower radial mode are arranged in the circular plate, and the pull rope of the pull rope displacement sensor is fixedly connected with the clamping plate through the rope hole.

[0016] Preferably, two sliding grooves that extend along the radial direction of the circular plate are formed in the left side of the circular plate, and the two sliding grooves are radially symmetrical about the center through hole;

[0017] The end of the sliding groove away from the center through hole is an open structure, and the left side of the sliding groove is an open structure, the third telescopic rod mechanism is inserted in the sliding groove, and the right end of the clamping plate is slidably arranged in the sliding groove.

[0018] Preferably, a first ring element is sleeved on each of the upper and lower third telescopic rod mechanisms, and the first ring element is detachably fixedly connected with the connecting frame.

[0019] A connecting rod extending to the left is fixedly arranged on the first ring element, and a second distance measuring sensor is fixedly arranged at the left end of the connecting rod, the upper and lower second distance measuring sensors are symmetrically arranged about the center through hole, and the second distance measuring sensor is signal-connected with the electrical box.

[0020] The second distance measuring sensor is used to measure the vertical distance between the second distance measuring sensor and the outer wall of the steel pipe, and the upper and lower second distance measuring sensors cooperate with each other to calibrate the first distance measuring sensor to move along the central axis of the steel pipe.

[0021] Preferably, a mounting seat is fixedly arranged at the left end of the fourth telescopic rod mechanism, and the left end of the mounting seat extends to the left of the fourth telescopic rod mechanism.

[0022] An upper opening mounting groove is arranged in the mounting seat, a push plate capable of moving up and down is movably arranged in the mounting groove, the bottom of the first distance measuring sensor is movably inserted in the mounting groove, and the bottom of the first distance measuring sensor abuts against the push plate.

[0023] A first internal threaded hole in communication with the mounting groove is arranged in the bottom of the mounting seat, a first adjusting screw threadedly matched with the first internal threaded hole is arranged in the first internal threaded hole, and the upper end of the first adjusting screw abuts against the bottom of the push plate.

[0024] A second internal threaded hole in communication with the mounting groove is arranged at the left side of the mounting seat, a second adjusting screw threadedly matched with the second internal threaded hole is arranged in the second internal threaded hole, the right end of the second adjusting screw abuts against the first distance measuring sensor, and the second adjusting screw is used to tightly fix the first distance measuring sensor in the mounting groove.

[0025] Preferably, anti-skid lines are arranged on the opposite sides of the two clamping plates.

[0026] Preferably, a driving box is fixedly arranged on the bottom plate, the lower end of the first telescopic rod mechanism is rotatably arranged in the driving box, and a rotary driving mechanism for driving the first telescopic rod mechanism to rotate is arranged in the driving box.

[0027] A hinged seat is fixedly arranged at the upper end of the first telescopic rod mechanism, an axial hole penetrating through the front and back is arranged on the side plate of the hinged seat, a T-shaped rod is fixedly arranged at the right end of the second telescopic rod mechanism, and the front and back ends of the T-shaped rod are rotatably arranged in the axial hole of the hinged seat.

[0028] The first servo motor is fixed on the hinged seat, and the output shaft of the first servo motor is fixedly connected with one end of the T-shaped rod, and the first servo motor is used to drive the T-shaped rod to swing left and right.

[0029] The first telescopic rod mechanism and the second telescopic rod mechanism are both hydraulic telescopic cylinders, and the electrical box is in control connection with the rotary driving mechanism, the first telescopic rod mechanism and the second telescopic rod mechanism.

[0030] Preferably, a rack extending in the front-rear direction is fixed on the bottom plate.

[0031] The driving box is provided with a translation driving motor, the output shaft of the translation driving motor penetrates out of the driving box, and a driving gear is fixed on the output shaft of the translation driving motor, and the driving gear is in meshing connection with the rack.

[0032] The bottom plate is provided with a sliding rail, and the sliding rail comprises a rail strip and a sliding block slidingly arranged on the rail strip, the rail strip extends in the front-rear direction, and the rail strip is fixedly connected with the bottom plate, and the sliding block is fixedly connected with the bottom of the driving box.

[0033] A method for using a building material measuring tool, comprising the following steps: S1~moving the measuring tool to the steel pipe port to be measured through the walking wheels, according to different detection angles of the steel pipe to be detected, the steel pipe may be horizontally inclined or vertically inclined, therefore, the length of the first telescopic rod mechanism and the second telescopic rod mechanism is adjusted, the second telescopic rod mechanism is rotated, and the included angle between the second telescopic rod mechanism and the first telescopic rod mechanism is adjusted, so that the clamping mechanism is preliminarily aligned with the steel pipe port to be measured;

[0034] S2~controlling two third telescopic rod mechanisms to simultaneously extend or contract, so that the two third telescopic rod mechanisms extend or contract by the same length, and at the same time, the length of the first telescopic rod mechanism is finely adjusted until the clamping plates on the two third telescopic rod mechanisms are clamped on the two outer sides of the steel pipe port to be measured;

[0035] S3~controlling the fourth telescopic rod mechanism to extend, adjusting the angle of the first distance sensor through the second servo motor, so that the first distance sensor corresponds to one of the clamping plates, measuring the distance between the first distance sensor and the clamping plate, and obtaining the first outer diameter data D1;

[0036] S4~then, controlling the fourth telescopic rod mechanism to continue to extend, so that the first distance sensor penetrates into the steel pipe port to be measured, so that the first distance sensor completes the first inner diameter measurement of the steel pipe port, obtains the first inner diameter data d1, and obtains the wall thickness h1 of the steel pipe port at this position through D1-d1;

[0037] S5~control third telescopic rod mechanism with clamping plate back, loose the measured steel pipe port, control the fourth servo motor drive accurate measurement equipment box and first distance sensor to rotate many times, each rotation stop, repeat steps S3~S4, each take the average of the inner diameter data, outer diameter data, wall thickness data, obtain the inner diameter d, outer diameter D, wall thickness h of the measured steel pipe port, at the same time, through the observation of the measured wall thickness data: h1, h2, h3, h4, …, h n Compared with the wall thickness h, the wall thickness quality of the steel pipe port at the place can be known.

[0038] The advantages of the present application are: (1) the first telescopic rod mechanism, the length of the second telescopic rod mechanism is adjusted, the second telescopic rod mechanism is rotated, the included angle between the second telescopic rod mechanism and the first telescopic rod mechanism is adjusted, so that the clamping mechanism can be aligned with the measured steel pipe port which may be horizontally inclined or vertically inclined, and the measurement of the measured steel pipe port with different inclination angles can be completed.

[0039] (2) the first distance sensor, the second servo motor and the third servo motor are cooperated, the data measurement of the inner diameter d, the outer diameter D and the wall thickness h of the measured steel pipe port can be completed, at the same time, through the observation of the measured wall thickness data: h1, h2, h3, h4, …, h n Compared with the wall thickness h, the wall thickness quality of the steel pipe port at the place can be known. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0041] Figure 1 It is the schematic diagram of the main structure of embodiment 1;

[0042] Figure 2 It is the schematic diagram of the internal structure of the measuring mechanism in Figure 1

[0043] Figure 3 It is the enlarged view of structure A in Figure 2

[0044] Figure 4 It is the enlarged view of structure B in Figure 2

[0045] ​​​Figure 5 As Figure 2 is an enlarged view of the structure at C in FIG.

[0046] Figure 6 As Figure 1 is a schematic view of the internal structure of the drive box in FIG.

[0047] In the figure, 1, the base plate, 2, the walking wheel, 3, the drive box, 301, the groove, 4, the slide rail piece, 401, the rail strip, 402, the sliding block, 5, the first telescopic rod mechanism, 6, the second telescopic rod mechanism, 7, the first servo motor, 8, the precise measuring equipment box, 801, the first box body, 802, the cover, 803, the fixed tube, 804, the shaft sleeve, 9, the clamping mechanism, 10, the round plate, 1001, the sliding groove, 1002, the center through hole, 11, the connecting frame, 12, the third telescopic rod mechanism, 13, the first ring hoop piece, 14, the clamping plate, 1401, the anti-slip pattern, 15, the fixed ring sleeve, 16, the second servo motor, 17, the fourth telescopic rod mechanism, 1701, the fourth cylinder body, 1702, the fourth piston rod, 18, the pull rope displacement sensor, 19, the first distance measuring sensor, 20, the mounting seat, 21, the first adjusting screw, 22, the push plate, 23, the second adjusting screw, 24, the proximity switch, 25, the magnetic metal strip, 26, the base, 27, the third servo motor, 28, the bearing, 29, the translation drive motor, 30, the drive gear, 31, the rack, 32, the mounting cylinder, 33, the fourth servo motor, 34, the connecting rod, 35, the second distance measuring sensor, 36, the electrical box, 37, the counterweight. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0049] Embodiment 1: A measuring tool for building materials, as shown in FIG. Figure 1 , comprising a base plate 1, the bottom of the base plate 1 is provided with a walking wheel 2, and the base plate 1 is provided with an electrical box 36, a drive box 3 and a first telescopic rod mechanism 5 capable of telescoping up and down. Specifically, as shown in FIG. Figure 6 , the middle part of the drive box 3 is recessed downward to form a groove 301, the bottom of the groove 301 is provided with a through hole penetrating upward and downward, the lower end of the first telescopic rod mechanism 5 is rotatably provided through the through hole, the first telescopic rod mechanism 5 is fixedly provided with a bearing 28, and the bearing 28 is arranged in the groove 301.

[0050] The driving box 3 is provided with a rotating driving mechanism for driving the first telescopic rod mechanism 5 to rotate, and the rotating driving mechanism in the embodiment comprises a third servo motor 27. The output shaft of the third servo motor 27 is fixedly provided with a flange plate at the bottom of the first telescopic rod mechanism 5, and the two flange plates are fixedly connected through bolts.

[0051] In order to enable the driving box 3 and the first telescopic rod mechanism 5 to be finely adjusted in translation during measurement, as shown in Figure 1 and Figure 6 In the embodiment, a rack 31 extending in the front-rear direction is fixedly arranged on the bottom plate 1.

[0052] The driving box 3 is provided with a translation driving motor 26, the output shaft of the translation driving motor 26 penetrates out of the driving box 3, and a driving gear 30 is fixedly arranged on the output shaft of the translation driving motor 26. The driving gear 30 is in mesh with the rack 31.

[0053] The bottom plate 1 is provided with a sliding rail 4, the sliding rail 4 comprises a track strip 401 and a sliding block 402 slidingly arranged on the track strip 401. The track strip 401 extends in the front-rear direction, and the track strip 401 is fixedly connected with the bottom plate 1. The sliding block 402 is fixedly connected with the bottom of the driving box 3.

[0054] The top of the first telescopic rod mechanism 5 is hingedly connected with a second telescopic rod mechanism 6 capable of swinging left and right, and the end of the second telescopic rod mechanism 6 away from the first telescopic rod mechanism 5 extends to the left. Specifically, as shown in Figure 1 the upper end of the first telescopic rod mechanism 5 is fixedly provided with a hinge seat, the side plate of the hinge seat is provided with an axially penetrating shaft hole, and the right end of the second telescopic rod mechanism 6 is fixedly provided with a T-shaped rod. The front and rear ends of the T-shaped rod are rotatably arranged in the shaft hole of the hinge seat.

[0055] A first servo motor 7 is fixedly arranged on the hinge seat, the output shaft of the first servo motor 7 is fixedly connected with one end of the T-shaped rod, and the first servo motor 7 is used to drive the T-shaped rod to swing left and right.

[0056] The first telescopic rod mechanism 5 and the second telescopic rod mechanism 6 are both hydraulic telescopic cylinders, and an electrical box 36 is in control connection with the rotating driving mechanism, the first telescopic rod mechanism 5 and the second telescopic rod mechanism 6.

[0057] The left end of the second telescopic rod mechanism 6 is fixedly connected with a mounting cylinder 32, the end of the mounting cylinder 32 away from the second telescopic rod mechanism 6 is of an open structure, and a fourth servo motor 33 is fixedly arranged in the mounting cylinder 32.

[0058] As shown in Figure 2As shown, the left side of the mounting cylinder 32 is provided with a precise measuring device box 8, the right side of the precise measuring device box 8 is fixedly connected with the output shaft of the fourth servo motor 33, and the second servo motor 16 is fixedly arranged in the precise measuring device box 8. The output shaft of the second servo motor 16 is fixedly connected with the fourth telescopic rod mechanism 17 which can be telescoped left and right.

[0059] The left side of the precise measuring device box 8 is fixedly provided with a clamping mechanism 9, the clamping mechanism 9 comprises a circular plate 10, the right side of the circular plate 10 is fixedly connected with the precise measuring device box 8, the central through hole 1002 which is left and right through is arranged in the middle of the circular plate 10, the central through hole 1002 coincides with the central axis of the circular plate 10, the left side of the circular plate of the precise measuring device box 8 is provided with a slot hole corresponding to the central through hole 1002, and the left end of the fourth telescopic rod mechanism 17 sequentially passes through the slot hole, the central through hole 1002 and extends to the left of the circular plate 10.

[0060] As shown in Figure 2 and Figure 3 the left end of the fourth telescopic rod mechanism 17 is fixedly provided with a mounting seat 20, and the left end of the mounting seat 20 extends to the left of the fourth telescopic rod mechanism 17.

[0061] The mounting seat 20 is provided with an upper opening mounting groove, the mounting groove is movably provided with a push plate 22 which can move up and down, the first distance measuring sensor 19 is movably inserted in the mounting groove, and the bottom of the first distance measuring sensor 19 abuts against the push plate 22.

[0062] The bottom of the mounting seat 20 is provided with a first internal thread hole which is in communication with the mounting groove, a first adjusting screw 21 which is screw-fitted is arranged in the first internal thread hole, and the upper end of the first adjusting screw 21 abuts against the bottom of the push plate 22.

[0063] The left side of the mounting seat 20 is provided with a second internal thread hole which is in communication with the mounting groove, a second adjusting screw 23 which is screw-fitted is arranged in the second internal thread hole, the right end of the second adjusting screw 23 abuts against the first distance measuring sensor 19, and the second adjusting screw 23 is used to tightly fix the first distance measuring sensor 19 in the mounting groove.

[0064] The first distance measuring sensor 19 can be finely adjusted through the first adjusting screw 21, so that the emitting end and the receiving end of the first distance measuring sensor 19 can be adjusted to be flush with the central axis of the fourth telescopic rod mechanism 17, so as to improve the data accuracy during measurement.

[0065] The upper and lower ends of the circular plate 10 are both provided with symmetrically arranged connecting frames 11, the left side of the connecting frame 11 is fixedly provided with a third telescopic rod mechanism 12 which can be telescoped up and down, the third telescopic rod mechanism 12 extends along the radial direction of the circular plate 10, and the clamping plate 14 is fixedly arranged towards the central through hole 1002 of the third telescopic rod mechanism 12. The upper and lower two clamping plates 14 are used for clamping on the outer wall of the steel pipe.

[0066] In order to facilitate the control of the rotation angle of the fourth telescopic rod mechanism 17, the first distance measuring sensor 19 can be quickly aligned with the clamping plate 14 when measuring the outer diameter, as shown in Figure 4 The fourth telescopic rod mechanism 17 includes a fourth cylinder body 1701 and a fourth piston rod 1702. The fourth piston rod 1702 is movably inserted into the left port of the fourth cylinder body 1701. The right end of the fourth cylinder body 1701 is fixedly connected with the output shaft of the second servo motor 16. The left end of the fourth cylinder body 1701 extends to the left of the circular plate 10 through the slot hole, the center through hole 1002, and so on.

[0067] The outer wall of the fourth cylinder body 1701 is fixedly provided with a proximity switch 24, which is located to the left of the circular plate 10. The proximity switch 24 is signal connected with the electrical box 36.

[0068] The left and right vertical surfaces of the circular plate 10 are fixedly provided with two magnetic metal strips 25 arranged in an up-down manner. The magnetic metal strips 25 are located outside the proximity switch 24, and the two magnetic metal strips 25 correspond to the upper and lower clamping plates 14, respectively. The left end of the magnetic metal strip 25 is located to the right of the left end of the clamping plate 14, as shown in Figure 5 The opposite side of each clamping plate 14 is provided with an anti-skid pattern 1401.

[0069] When the proximity switch 24 is close to the magnetic metal strip 25, it can send a signal to stop the rotation of the second servo motor 16, so that the first distance measuring sensor 19 can quickly adjust the angle to complete the measurement of the vertical distance between the first distance measuring sensor 19 and the clamping plate 14.

[0070] In order to further stabilize the shape of the clamping plate 14 when moving on the circular plate 10, as shown in Figure 2 The left side of the circular plate 10 is provided with two sliding grooves 1001 extending along the radial direction. The two sliding grooves 1001 are radially symmetrical about the center through hole 1002.

[0071] The end of the sliding groove 1001 away from the center through hole 1002 is an open structure, and the left side of the sliding groove 1001 is also an open structure. The third telescopic rod mechanism 12 is inserted into the sliding groove 1001, and the right end of the clamping plate 14 is slidingly arranged in the sliding groove 1001.

[0072] In order to quickly and intuitively know the distance that the two third telescopic rod mechanisms 12 drive the clamping plate 14 to move, and to quickly complete the center calibration of the circular plate 10 and the steel pipe port to be measured by adjusting the length and angle of the first telescopic mechanism 5 and the second telescopic mechanism 6, the first distance measuring sensor 19 can be inserted along the central axis of the steel pipe port to be measured, as shown in Figure 2As shown, two rope displacement sensors 18 are fixed in the precise measuring device box 8, and the two rope displacement sensors 18 are vertically corresponding to the fourth telescopic rod mechanism 17, and the rope displacement sensors 18 are signal connected with the electrical box 36.

[0073] As shown, two rope displacement sensors 18 are fixed in the precise measuring device box 8, and the two rope displacement sensors 18 are vertically corresponding to the fourth telescopic rod mechanism 17, and the rope displacement sensors 18 are signal connected with the electrical box 36.

[0074] In order to quickly complete the measurement of whether the curvature of the outer peripheral surface of the steel pipe port is in line with the regulations, as shown in Figure 1 and Figure 2 As shown, the first ring clamp 13 is sleeved on the lower two third telescopic rod mechanisms 12, and the first ring clamp 13 is detachably fixedly connected with the connecting frame 11 through bolts.

[0075] The first ring clamp 13 is fixedly provided with a connecting rod 34 extending to the left, and the left end of the connecting rod 34 is fixedly provided with a second distance measuring sensor 34. The upper and lower second distance measuring sensors 34 are vertically symmetrical about the center through hole 1002, and the second distance measuring sensor 34 is signal connected with the electrical box 36.

[0076] At the same time, the second distance measuring sensor 34 can also be used to measure the vertical distance between it and the outer wall of the steel pipe, and the length and angle of the first telescopic mechanism 5 and the second telescopic mechanism 6 are adjusted, so that the center of the circular plate 10 and the steel pipe port to be measured is quickly calibrated, so that the first distance measuring sensor 19 can be inserted along the central axis of the steel pipe port to be measured.

[0077] The electrical box 36 is control connected with the first telescopic rod mechanism 5, the second telescopic rod mechanism 6, the second servo motor 16, the fourth telescopic rod mechanism 17, the fourth servo motor 33, the first distance measuring sensor 19 and the third telescopic rod mechanism 12.

[0078] A method for using a building material measuring tool, comprising the following steps: S1~moving the measuring tool to the steel pipe port to be measured through the walking wheel 2, according to different detection angles of the steel pipe to be detected, the steel pipe may be horizontally inclined or vertically inclined, therefore, by adjusting the length of the first telescopic rod mechanism 5 and the second telescopic rod mechanism 6, rotating the second telescopic rod mechanism 6, adjusting the angle between the second telescopic rod mechanism 6 and the first telescopic rod mechanism 5, the clamping mechanism 9 is preliminarily aligned with the steel pipe port to be measured, and the second distance measuring sensor 34 is vertically corresponding to the outer wall of the steel pipe port to be measured.

[0079] S2~The current data of the distance between the two second distance sensors 34 and the outer wall of the steel pipe port is measured, the first telescopic device 5 and the first servo motor 7 are controlled to fine-tune the accurate measurement equipment box 8 and the clamping mechanism 9, so that the distance between the two second distance sensors 34 and the outer wall of the steel pipe port is equal, the center calibration of the clamping mechanism 9 and the steel pipe port to be measured is completed, and the fourth servo motor 33 is controlled to drive the accurate measurement equipment box 8 and the clamping mechanism 9 to rotate one circle, so that the second distance sensor 34 completes the perpendicular distance measurement between it and the outer circumferential surface of the steel pipe port. By observing and comparing the measurement data, it can be known whether the curvature of the outer circumferential surface of the steel pipe port meets the specified requirements.

[0080] S3~The two third telescopic rod mechanisms 12 are controlled to simultaneously extend or retract, so that the two third telescopic rod mechanisms 12 extend or retract by the same length, and at the same time, the length of the first telescopic rod mechanism 5 is fine-tuned until the clamping plates 14 on the two third telescopic rod mechanisms 12 are clamped on the two outer sides of the steel pipe port to be measured.

[0081] S4~The fourth telescopic rod mechanism 17 is controlled to extend, the angle of the first distance sensor 19 is adjusted by the second servo motor 16, so that the first distance sensor 19 corresponds to one of the clamping plates 14 up and down, the distance between the first distance sensor 19 and the clamping plate 14 is measured, and the first outer diameter data D1 is obtained.

[0082] S5~Then, the fourth telescopic rod mechanism 17 is controlled to continue to extend, so that the first distance sensor 19 penetrates into the steel pipe port to be measured, and the first distance sensor 19 completes the first inner diameter measurement of the steel pipe port to obtain the first inner diameter data d1, and the wall thickness h1 of the steel pipe port at this position is obtained by D1-d1.

[0083] S6~The third telescopic rod mechanism 12 is controlled to drive the clamping plate 14 to retract and release the steel pipe port to be measured, the fourth servo motor 33 is controlled to drive the accurate measurement equipment box 8 and the first distance sensor 19 to rotate at equal angles multiple times, each time the rotation stops, steps S4~S5 are repeated, and the average values of the inner diameter data, the outer diameter data, and the wall thickness data are obtained, so as to obtain the inner diameter d, the outer diameter D, and the wall thickness h of the steel pipe port to be measured. At the same time, by observing the wall thickness data h1, h2, h3, h4, …, h of the steel pipe port at each position, the wall thickness quality of the steel pipe port at this position can be obtained compared with the wall thickness h. n

[0084] The first telescopic rod mechanism 5 in the embodiment is a multi-section hydraulic cylinder, and the second telescopic rod mechanism 6, the third telescopic rod mechanism 12, and the fourth telescopic rod mechanism 17 are all hydraulic cylinder mechanisms.

[0085] ​Embodiment 2: A measuring tool for building materials and a method of using the same, which is different from Embodiment 1 in that the pull rope displacement sensor 18 is no longer provided in this embodiment. The other structures and the method of using the same are the same as those of Embodiment 1.

[0086] It will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A measuring tool for building materials, comprising a base plate (1), the bottom of which is provided with a walking wheel (2), characterized in that: The bottom plate (1) is provided with an electrical box (36) and a first telescopic rod mechanism (5) capable of telescoping up and down, the top of the first telescopic rod mechanism (5) is hingedly connected with a second telescopic rod mechanism (6) capable of swinging left and right, the end of the second telescopic rod mechanism (6) away from the first telescopic rod mechanism (5) extends to the left, and the left end of the second telescopic rod mechanism (6) is fixedly connected with a mounting cylinder (32); the left side of the mounting cylinder (32) is provided with a precise measuring equipment box (8), the right side of the precise measuring equipment box (8) is fixedly connected with the output shaft of the fourth servo motor (33), and the precise measuring equipment box (8) is fixedly provided with a second servo motor (16) therein; the output shaft of the second servo motor (16) is fixedly connected with a fourth telescopic rod mechanism (17) capable of telescoping left and right; A clamping mechanism (9) is fixedly arranged on the left side of the precise measuring equipment box (8), the clamping mechanism (9) comprises a circular plate (10), the right side of the circular plate (10) is fixedly connected with the precise measuring equipment box (8), a left-right-through central through hole (1002) is formed in the middle of the circular plate (10), the central through hole (1002) coincides with the central axis of the circular plate (10), a slot hole corresponding to the central through hole (1002) is formed in the left side of the circular plate (10) of the precise measuring equipment box (8), the left end of the fourth telescopic rod mechanism (17) sequentially passes through the slot hole and the central through hole (1002) and extends to the left of the circular plate (10), and the left end of the fourth telescopic rod mechanism (17) is fixedly provided with a first distance measuring sensor (19); The left side of the connecting frame (11) is fixedly provided with a third telescopic rod mechanism (12) capable of telescoping up and down, the third telescopic rod mechanism (12) extends along the radial direction of the circular plate (10), and one end of the third telescopic rod mechanism (12) towards the central through hole (1002) is fixedly provided with a clamping plate (14); the upper and lower clamping plates (14) are used for clamping on the outer wall of the steel pipe; The electrical box (36) is control-connected with the first telescopic rod mechanism (5), the second telescopic rod mechanism (6), the second servo motor (16), the fourth telescopic rod mechanism (17), the fourth servo motor (33), the first distance measuring sensor (19), and the third telescopic rod mechanism (12); The fourth telescopic rod mechanism (17) comprises a fourth cylinder body (1701) and a fourth piston rod (1702), the fourth piston rod (1702) is movably inserted into the left end port of the fourth cylinder body (1701), the right end of the fourth cylinder body (1701) is fixedly connected with the output shaft of the second servo motor (16), and the left end of the fourth cylinder body (1701) sequentially passes through the slot hole and the central through hole (1002) and extends to the left of the circular plate (10); The outer wall of the fourth cylinder body (1701) is fixedly provided with a proximity switch (24), the proximity switch (24) is located to the left of the circular plate (10), and the proximity switch (24) is signal-connected with the electrical box (36); ​ Two magnetic metal strips (25) are vertically arranged on the left and right of the circular plate (10) and are arranged in an up-down interval. The magnetic metal strips (25) are located on the outer side of the proximity switch (24), and the two magnetic metal strips (25) correspond to the upper and lower two adjacent clamping plates (14) respectively. The left end of the magnetic metal strip (25) is located to the right of the left end of the clamping plate (14); When the proximity switch (24) is close to the magnetic metal strip (25), a signal can be sent to stop the rotation of the second servo motor (16), so that the first distance measuring sensor (19) can measure the vertical distance between it and the clamping plate (14); The first ring clamp (13) is detachably connected with the connecting frame (11); The first ring clamp (13) is fixedly provided with a connecting rod (35) extending to the left. The left end of the connecting rod (34) is fixedly provided with a second distance measuring sensor (35). The two second distance measuring sensors (35) are symmetrically arranged above and below the center through hole (1002). The second distance measuring sensor (35) is signal connected with the electrical box (36); The second distance measuring sensor (35) is used to measure the vertical distance between it and the outer wall of the steel pipe. The two second distance measuring sensors (35) cooperate with each other to calibrate the movement of the first distance measuring sensor (19) along the central axis of the steel pipe.

2. The measuring tool for building materials according to claim 1, wherein: The precise measuring equipment box (8) is fixedly provided with two pull rope displacement sensors (18) arranged in an up-down interval. The two pull rope displacement sensors (18) correspond to the fourth telescopic rod mechanism (17) in a radial direction. The pull rope displacement sensor (18) is signal connected with the electrical box (36); The circular plate (10) is provided with two rope holes corresponding to the center through hole (1002) in a radial direction. The pull rope of the pull rope displacement sensor (18) passes through the rope hole and is fixedly connected with the clamping plate (14).

3. A measuring tool for building materials as claimed in claim 2, wherein: The left side of the circular plate (10) is provided with two slide grooves (1001) extending in a radial direction. The two slide grooves (1001) are radially symmetrical about the center through hole (1002); The end of the slide groove (1001) away from the center through hole (1002) is an open structure, and the left side of the slide groove (1001) is an open structure. The third telescopic rod mechanism (12) is inserted into the slide groove (1001). The right end of the clamping plate (14) is slidably arranged in the slide groove (1001).

4. The measuring tool for building materials according to claim 1 or 3, wherein: The left end of the fourth telescopic rod mechanism (17) is fixedly provided with a mounting seat (20). The left end of the mounting seat (20) extends to the left of the fourth telescopic rod mechanism (17); The mounting seat (20) is provided with an open-top mounting groove. The mounting groove is movably provided with a push plate (22) that can move up and down. The bottom of the first distance measuring sensor (19) is movably inserted into the mounting groove, and the bottom of the first distance measuring sensor (19) abuts against the push plate (22); The bottom of the mounting seat (20) is provided with a first internal thread hole communicating with the mounting groove. A first adjusting screw (21) with a screw thread is arranged in the first internal thread hole. The upper end of the first adjusting screw (21) abuts against the bottom of the push plate (22). The left side of the mounting seat (20) is provided with a second internal threaded hole communicated with the mounting groove, a second adjusting screw (23) with a thread matched with the second internal threaded hole is arranged in the second internal threaded hole, and the right end of the second adjusting screw (23) abuts against the first distance measuring sensor (19), and the second adjusting screw (23) is used to tightly fix the first distance measuring sensor (19) in the mounting groove.

5. The measuring tool for building materials according to claim 1 or 3, wherein: The opposite side of the two clamping plates (14) is provided with anti-skid lines (1401).

6. The measuring tool for building materials according to claim 1 or 3, wherein: The bottom plate (1) is fixedly provided with a driving box (3), the lower end of the first telescopic rod mechanism (5) is rotatably arranged in the driving box (3), and the driving box (3) is provided with a rotating driving mechanism for driving the first telescopic rod mechanism (5) to rotate; The upper end of the first telescopic rod mechanism (5) is fixedly provided with a hinged seat, the side plate of the hinged seat is provided with an axially penetrating shaft hole, the right end of the second telescopic rod mechanism (6) is fixedly provided with a T-shaped rod, and the front and rear ends of the T-shaped rod are rotatably arranged in the shaft hole of the hinged seat; The hinged seat is fixedly provided with a first servo motor (7), the output shaft of the first servo motor (7) is fixedly connected with one end of the T-shaped rod, and the first servo motor (7) is used to drive the T-shaped rod to swing left and right; The first telescopic rod mechanism (5) and the second telescopic rod mechanism (6) are both hydraulic telescopic cylinders, and the electrical box (36) is in control connection with the rotating driving mechanism, the first telescopic rod mechanism (5) and the second telescopic rod mechanism (6).

7. A measuring tool for building materials as claimed in claim 6, wherein: The bottom plate (1) is fixedly provided with a rack (31) extending in the front-rear direction; The driving box (3) is provided with a translation driving motor (26), the output shaft of the translation driving motor (26) penetrates out of the driving box (3), and the output shaft of the translation driving motor (26) is fixedly provided with a driving gear (30), and the driving gear (30) is in meshing connection with the rack (31); The bottom plate (1) is provided with a sliding rail (4), the sliding rail (4) comprises a track bar (401) and a sliding block (402) slidingly arranged on the track bar (401), the track bar (401) extends in the front-rear direction, the track bar (401) is fixedly connected with the bottom plate (1), and the sliding block (402) is fixedly connected with the bottom of the driving box (3).

8. The method of using a measuring tool for building materials according to claim 1, wherein, The method comprises the following steps: S1~by walking wheels (2), the measuring tool is moved to the steel pipe port to be measured, according to different detection angles of the steel pipe to be detected, the steel pipe may appear horizontal transverse inclination or vertical inclination, therefore, by adjusting the length of the first telescopic rod mechanism (5) and the second telescopic rod mechanism (6), rotating the second telescopic rod mechanism (6), adjusting the included angle between the second telescopic rod mechanism (6) and the first telescopic rod mechanism (5), the clamping mechanism (9) is preliminarily aligned with the steel pipe port to be measured; S2~controlling two third telescopic rod mechanisms (12) to simultaneously extend or contract, so that the two third telescopic rod mechanisms (12) extend or contract by the same length, and at the same time, the length of the first telescopic rod mechanism (5) is finely adjusted until the clamping plates (14) on the two third telescopic rod mechanisms (12) are clamped on the two outer sides of the steel pipe port to be measured; S3~control the fourth telescopic rod mechanism (17) to extend, through the second servo motor (16) to adjust the angle of the first distance sensor (19), make the first distance sensor (19) and one of the clamping plate (14) up and down corresponding, measure the distance between them, obtain the first time outside diameter data: D1; S4~then, control the fourth telescopic rod mechanism (17) to continue to extend, make the first distance sensor (19) into the steel pipe port to be measured, make the first distance sensor (19) complete the first time inner diameter measurement of the steel pipe port, obtain the first time inner diameter data: d1, through D1- d1, obtain the wall thickness h1 of the steel pipe port. S5~control the third telescopic rod mechanism (12) with the clamping plate (14) to withdraw, loose the measured steel pipe port, control the fourth servo motor (33) with the precise measurement equipment box (8) and the first distance measuring sensor (19) to carry out multiple equal angle rotation, each rotation stops, all repeat steps S3~S4, respectively take the average value of the inner diameter data, the outer diameter data, the wall thickness data, obtain the inner diameter d, the outer diameter D, the wall thickness h of the measured steel pipe port, at the same time, through the observation of the wall thickness data of each measured steel pipe port: h1, h2, h3, h4, …, h n compared with the wall thickness h, that is, the wall thickness quality of the steel pipe port at this place can be obtained.

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