Crack measuring device for highway bridge engineering

Abstract

The utility model relates to the related technical field of highway bridge engineering, in particular to a crack measuring device for highway bridge engineering, which comprises a bottom plate. Under the cooperative action of the bottom plate, the portal frame, the square groove, the detector body, the rectangular groove, the gear box and the lifting mechanism, dust accumulated at the low-lying position of a highway bridge can be cleaned, then whether cracks exist at the low-lying position of the highway bridge or not is observed, workers can detect the cracks blocked by the dust in time, and the working efficiency is improved. The problems that although an existing crack measuring device for highway bridge engineering can clean and collect dust and impurities in cracks in the surface of a highway bridge, the existing crack measuring device does not have the purpose of cleaning the dust on the surface of the highway bridge in a large area; a large amount of rainwater is accumulated at low-lying positions along with flowing of the rainwater, so that part of cracks are shielded and hidden, and the problem that workers cannot find and measure the cracks in time is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of highway bridge engineering, specifically to a crack measuring device for highway bridge engineering. BACKGROUND

[0002] Highway bridge engineering refers to the planning, design, construction, maintenance, repair and other work of the structure of the highway crossing water, valley and all traffic channels, and highway bridge engineering includes bridge main body engineering and the engineering facilities attached in the bridge site as a whole, the attached engineering includes the revetment, diversion embankment and other water flow regulating structures for maintaining the stability of the river channel at the bridge site, the approach road and bridge approach for connecting the bridge head with the highway, the railings for preventing wheel impact on the bridge deck, the pedestrian walkway railings for ensuring the safety of pedestrians, and the bridge sign, navigation sign under the bridge and bridge deck lighting equipment, etc., and in order to ensure the safety of highway bridge engineering in use, it is necessary to detect the gap generated by highway bridge engineering, detect the depth and span of the gap of highway bridge engineering, and repair in time when the generated gap exceeds the safety scale, so as to ensure the safety of highway bridge engineering.

[0003] The utility model patent with the publication number CN221037348U discloses a crack measuring device for highway bridge engineering, which belongs to the technical field of highway bridge engineering, and aims to solve the problem that the cracks in the bridge are filled with dust and impurities when the bridge is used in the external environment, so that the measured crack value is lower than the actual crack value, and it is difficult to clean the inside of the cracks due to the different sizes of the cracks. The crack measuring device comprises a bottom plate, a box body and a detector. A plurality of sliding grooves are evenly arranged on the top surface of the bottom plate. A plurality of sliding columns are slidably connected in the sliding grooves. A plurality of limit plates are fixedly installed on the top of the sliding columns. A plurality of annular fixing plates are fixedly installed on the surface of the sliding columns located at the bottom of the bottom plate. A plurality of return springs are arranged between the annular fixing plates and the bottom plate. The return springs are sleeved on the surface of the sliding columns. The utility model can keep the bottom plate flat even in the case of uneven ground, prevent the detector from shaking and affect the accuracy of the detection result, clean and collect the dust and impurities in the cracks on the surface of the highway bridge, ensure the accuracy of the detection result, and improve the work efficiency of the bridge crack detection.

[0004] However, the above patent still has the following problems: although the patent can clean and collect the dust and impurities in the cracks on the surface of the highway bridge, it cannot clean the dust on the surface of the highway bridge in a large area. Since the dust will accumulate in low-lying areas when it rains, some cracks will be hidden and covered, making it difficult for workers to find and measure the cracks in time. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of for highway bridge engineering crack measuring device, to solve the crack measuring device for highway bridge engineering of existing in the prior art described above although it can be to the dust and impurities inside the gap of highway bridge surface is cleaned and collected, but it does not have the purpose of large-area cleaning of dust on the surface of highway bridge, since dust in rainy day, with the flow of rainwater will be a large amount of accumulation in low-lying place, so that part of crack is hidden, leading to staff cannot timely find crack and the problem of crack measurement.

[0006] The technical scheme of the utility model is:

[0007] A kind of for highway bridge engineering crack measuring device, including: bottom plate;The top side of the bottom plate is fixedly connected with portal frame, the bottom plate is close to the portal frame and is equipped with square groove, the inside of the square groove is provided with detector body, the side of the bottom plate away from the square groove is equipped with rectangular groove, the inside of the rectangular groove is provided with gear box;Lifting mechanism for sweeping impurities on ground is provided in the inside of the gear box;The bottom of the detector body is provided with gravity mechanism for controlling the automatic leveling of detector body.

[0008] Preferably, the lifting mechanism includes: three first gears are provided in the inside of the gear box, the center of the first gear is fixedly connected with first rotating shaft, the bottom end of the first rotating shaft is extended to rotary disc and penetrates the gear box, the bottom of the rotary disc is fixedly connected with cleaning pad, the first rotating shaft is rotatably connected with the gear box, the top end of one of the first rotating shafts penetrates the gear box and extends to motor, the motor is fixedly connected with the gear box, the first rotating shaft is fixedly connected with the output end of the motor, the second gear is provided between the two first gears, the center of the second gear is fixedly connected with second rotating shaft, the two ends of the second rotating shaft are rotatably connected with the gear box, and the first gear is engaged with the second gear.

[0009] Preferably, the gravity mechanism comprises: the bottom of the detector body is provided with two matched fixing frames, the top of the two fixing frames is fixedly connected with a first rectangular frame, the two surfaces of the first rectangular frame are fixedly connected with third rotating shafts, the ends of the third rotating shafts away from the first rectangular frame are rotatably connected with a second rectangular frame; the two sides of the second rectangular frame are fixedly connected with fourth rotating shafts, the outer surfaces of the ends of the fourth rotating shafts away from the second rectangular frame are rotatably connected with connecting blocks, and the ends of the connecting blocks away from the fourth rotating shafts are fixedly connected with lifting blocks; the interiors of the lifting blocks are provided with power mechanisms for adjusting the height of the detector body.

[0010] Preferably, the power mechanism comprises: the interiors of the lifting blocks are threadedly connected with screw rods, the bottom ends of the screw rods are rotatably connected with fixed blocks, the fixed blocks are fixedly connected with the bottom plate, the top ends of the screw rods penetrate through the gantry and extend to the outside of the gantry, and the screw rods are rotatably connected with the gantry; the top center of the gantry is fixedly connected with a double-shaft motor, the two side output ends of the double-shaft motor are fixedly connected with first bevel gears, the sides of the first bevel gears away from the double-shaft motor are engaged with second bevel gears, and the second bevel gears are fixed to the top ends of the screw rods.

[0011] Preferably, the bottom of the bottom plate is provided with rollers, the centers of the rollers are fixedly connected with fifth rotating shafts, and the two ends of the fifth rotating shafts are rotatably connected with supporting blocks, and the top ends of the supporting blocks are fixedly connected with the bottom plate.

[0012] Preferably, the top of the side of the bottom plate close to the square groove is fixedly connected with a push rod, and the push rod is matched with the rollers.

[0013] Preferably, the top of the side of the bottom plate close to the rectangular groove is provided with a control box with a storage battery in the interior, and the control box is fixedly connected with the bottom plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] One, the utility model discloses a cooperation under the cooperation of bottom plate, portal frame, square groove, detector body, rectangular groove, gear box and lifting mechanism can the dust accumulated in the low place of highway bridge is swept, and then whether the low place of highway bridge exists crack is observed, is favorable to the staff in time to the crack covered by dust is detected, solves the current highway bridge engineering crack measuring device for although can the dust and impurity in the crack of highway bridge surface is cleaned and is collected, but it does not have the purpose of large -area cleaning of the dust on the surface of highway bridge, because dust in rainy day, with the flow of rainwater will be a large number of accumulated in the low place, makes part crack be covered and hidden, leads to staff to be unable to find crack and the problem of crack measurement in time.

[0016] Second, the utility model discloses a cooperation under the cooperation of bottom plate, portal frame, square groove, detector body, rectangular groove, gear box and gravity mechanism can when the device stagnates in the crack, make detector automatic keep horizontal state, avoided the device stagnates on uneven ground, need staff manually to detector leveling purpose, improved the work efficiency of crack detection, and then improved practicality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view for the highway bridge engineering crack measuring device of the utility model;

[0018] Figure 2 It is a side view sectional structure schematic view for the highway bridge engineering crack measuring device of the utility model;

[0019] Figure 3 It is the lifting mechanism structure schematic view of the utility model;

[0020] Figure 4 It is the fourth pivot and connecting block connecting structure schematic view of the utility model;

[0021] Figure 5 It is the gravity mechanism structure schematic view of the utility model.

[0022] In the drawing:

[0023] 1, bottom plate; 2, gantry; 3, square groove; 4, detector body; 5, rectangular groove; 6, gear box; 7, lifting mechanism; 8, gravity mechanism; 9, first gear; 10, first rotating shaft; 11, rotating disc; 12, cleaning pad; 13, motor; 14, second gear; 15, second rotating shaft; 16, connecting frame; 17, hydraulic cylinder; 18, fixed frame; 19, first rectangular frame; 20, third rotating shaft; 21, second rectangular frame; 22, fourth rotating shaft; 23, connecting block; 24, lifting block; 25, power mechanism; 26, screw; 27, fixed block; 28, double-shaft motor; 29, first bevel gear; 30, second bevel gear; 31, roller; 32, fifth rotating shaft; 33, support block; 34, push rod; 35, control box. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1 to 5 The above technical solutions will be described in detail by the following embodiments.

[0026] A crack measuring device for highway bridge engineering, comprising a bottom plate 1; a gantry 2 is fixedly connected to one side of the top of the bottom plate 1, a square groove 3 is formed in the bottom plate 1 close to the gantry 2, a detector body 4 is arranged in the square groove 3, a rectangular groove 5 is formed in the side of the bottom plate 1 away from the square groove 3, and a gear box 6 is arranged in the rectangular groove 5; a lifting mechanism 7 for cleaning impurities on the ground is arranged in the gear box 6; gravity mechanisms 8 for automatically leveling the detector body 4 are arranged on both sides of the bottom of the detector body 4; the user starts the lifting mechanism 7, the lifting mechanism 7 cleans the dust accumulated on the highway bridge through the gear box 6, thereby facilitating the observation of whether there is a crack at the dust accumulation place by the staff, after the crack is found, the user stops the device at the crack, the detector body 4 is automatically leveled through the cooperation of the gravity mechanism 8, and then the crack of the highway bridge is detected.

[0027] As Figures 1 to 3As shown, the lifting mechanism 7 comprises: the gear box 6 is internally provided with three first gears 9, the center of each first gear 9 is fixedly connected with a first rotating shaft 10, the bottom end of each first rotating shaft 10 penetrates the gear box 6 and extends to the rotating disc 11, the bottom of the rotating disc 11 is fixedly connected with the cleaning pad 12, each first rotating shaft 10 is rotatably connected with the gear box 6, the top end of one of the first rotating shafts 10 penetrates the gear box 6 and extends to the motor 13, the motor 13 is fixedly connected with the gear box 6, the first rotating shaft 10 is fixedly connected with the output end of the motor 13, the two first gears 9 are both provided with a second gear 14, the center of each second gear 14 is fixedly connected with a second rotating shaft 15, the two ends of each second rotating shaft 15 are rotatably connected with the gear box 6, and each first gear 9 is engaged with the second gear 14; the top of the gear box 6 is provided with a connecting frame 16 on each side, the bottom end of each connecting frame 16 is fixedly connected with the bottom plate 1, the interior of each connecting frame 16 is fixedly connected with a hydraulic cylinder 17, and the telescopic end of each hydraulic cylinder 17 is fixedly connected with the gear box 6; the user starts the motor 13, the output end of the motor 13 drives one of the first rotating shafts 10 to rotate, the first rotating shaft 10 rotates to drive the first gear 9, the first gear 9 drives the second gear 14, the second gear 14 rotates in the gear box 6 through the second rotating shaft 15, the second gear 14 rotates to synchronously rotate the first gears 9 in the gear box 6, the first gears 9 rotate to drive the rotating disc 11 through the first rotating shaft 10, the rotating disc 11 drives the cleaning pad 12, then the hydraulic cylinder 17 is started, the telescopic end of the hydraulic cylinder 17 extends outward to push the gear box 6 to move downward, the gear box 6 moves downward to drive the cleaning pad 12 through the cooperation of the first rotating shaft 10 and the rotating disc 11, so that the cleaning pad 12 moves to the ground of the highway bridge, thereby cleaning the dust accumulated in the low-lying place of the ground, thereby facilitating the staff to observe whether there is a crack in the dust accumulation place.

[0028] As Figure 4 and Figure 5As shown, the gravity mechanism 8 comprises: the bottom of the detector body 4 is provided with a matched fixing frame 18 on both sides, the top of the two fixing frames 18 is fixedly connected with a first rectangular frame 19, both sides of the first rectangular frame 19 are fixedly connected with a third rotating shaft 20, the end of the third rotating shaft 20 away from the first rectangular frame 19 is rotatably connected with a second rectangular frame 21; both sides of the second rectangular frame 21 are fixedly connected with a fourth rotating shaft 22, the outer surface of the end of the fourth rotating shaft 22 away from the second rectangular frame 21 is rotatably connected with a connecting block 23, the end of the connecting block 23 away from the fourth rotating shaft 22 is fixedly connected with a lifting block 24; the inside of the lifting block 24 is provided with a power mechanism 25 for adjusting the height of the detector body 4, the detector body 4 applies downward pressure on the fixing frame 18 through its own weight, the fixing frame 18 drives the first rectangular frame 19, the first rectangular frame 19 rotates in the second rectangular frame 21 through the cooperation of the third rotating shaft 20, and at the same time, the first rectangular frame 19 also drives both sides of the second rectangular frame 21 through the third rotating shaft 20, so that the second rectangular frame 21 rotates between the two connecting blocks 23 through the cooperation of the fourth rotating shaft 22, thereby automatically adjusting the level of the detector body 4.

[0029] As shown in Figure 5 , the power mechanism 25 comprises: the inside of the lifting block 24 is threadedly connected with a screw rod 26, the bottom end of the screw rod 26 is rotatably connected with a fixed block 27, the fixed block 27 is fixedly connected with the bottom plate 1, the top end of the screw rod 26 penetrates through the gantry 2 and extends to the outside of the gantry 2, and the screw rod 26 is rotatably connected with the gantry 2; the top center of the gantry 2 is fixedly connected with a double-shaft motor 28, both sides of the output end of the double-shaft motor 28 are fixedly connected with a first bevel gear 29, one side of the first bevel gear 29 away from the double-shaft motor 28 is engaged with a second bevel gear 30, and the second bevel gear 30 is fixed to the top end of the screw rod 26; starting the double-shaft motor 28, the output end of the double-shaft motor 28 drives the first bevel gear 29, the first bevel gear 29 drives the second bevel gear 30, the second bevel gear 30 drives the screw rod 26, the screw rod 26 rotates while driving the lifting block 24, so that the lifting block 24 moves up and down, the lifting block 24 moves up and down while driving the first rectangular frame 19 through the cooperation of the connecting block 23 and the fourth rotating shaft 22, thereby adjusting the height of the detector body 4, so that the detection end of the detector body 4 is adjusted to an appropriate height to detect the crack.

[0030] As shown in Figure 1 , the bottom plate 1 is provided with a roller 31 at the four corners of the bottom, the center of the roller 31 is fixedly connected with a fifth rotating shaft 32, both ends of the fifth rotating shaft 32 are rotatably connected with a supporting block 33, the top end of the supporting block 33 is fixedly connected with the bottom plate 1, which facilitates the user to move the device.

[0031] As shown in Figure 1As shown, the bottom plate 1 is fixedly connected with a push rod 34 at the top near one side of the square groove 3, the push rod 34 is matched with the roller 31, and a user can move the device by pushing the push rod 34.

[0032] As shown, the bottom plate 1 is fixedly connected with a push rod 34 at the top near one side of the square groove 3, the push rod 34 is matched with the roller 31, and a user can move the device by pushing the push rod 34. Figure 1 and Figure 2 As shown, the bottom plate 1 is fixedly connected with a push rod 34 at the top near one side of the square groove 3, the push rod 34 is matched with the roller 31, and a user can move the device by pushing the push rod 34.

[0033] Working principle: the user starts the motor 13, the output end of the motor 13 drives a first rotating shaft 10 to rotate, the first rotating shaft 10 rotates at the same time to drive the first gear 9, the first gear 9 drives the second gear 14, the second gear 14 rotates in the gear box 6 through the second rotating shaft 15 to produce self-rotation, the second gear 14 self-rotation can make the first gear 9 in the gear box 6 synchronous self-rotation, the first gear 9 self-rotation drives the rotating disc 11 through the first rotating shaft 10 respectively, the rotating disc 11 drives the cleaning pad 12, then starts the hydraulic cylinder 17, the telescopic end of the hydraulic cylinder 17 extends outward, and then pushes the gear box 6 to move downward, the gear box 6 moves downward at the same time through the cooperation of the first rotating shaft 10 and the rotating disc 11 to drive the cleaning pad 12, so that the cleaning pad 12 moves to the ground of the highway bridge, and then the dust accumulated in the low-lying place is cleaned, and then the staff can observe whether there is a crack in the dust accumulation place, the dust accumulated in the low-lying place of the highway bridge can be cleaned, and then whether there is a crack in the low-lying place of the highway bridge is observed, which is beneficial to the staff to detect the crack hidden by the dust in time, solves the problem that the existing highway bridge engineering crack measuring device can clean and collect the dust and impurities in the gap on the surface of the highway bridge, but it does not have the purpose of large-area cleaning of the dust on the surface of the highway bridge, and the dust will accumulate in the low-lying place with the flow of rain in rainy days, so that part of the crack is hidden and concealed, which causes the staff to be unable to find the crack and measure the crack in time.

[0034] The user stops the device at the crack, the detector body 4 applies downward pressure on the fixing frame 18 through its own weight, the fixing frame 18 drives the first rectangular frame 19, the first rectangular frame 19 generates rotation in the second rectangular frame 21 through cooperation of the third rotating shaft 20, and the first rectangular frame 19 also drives two sides of the second rectangular frame 21 through the third rotating shaft 20, so that the second rectangular frame 21 generates rotation between the two connecting blocks 23 through cooperation of the fourth rotating shaft 22, thereby automatically adjusting the level of the detector body 4, starting the double-shaft motor 28, the output end of the double-shaft motor 28 drives the first bevel gear 29, the first bevel gear 29 drives the second bevel gear 30 respectively, the second bevel gear 30 drives the screw rod 26 respectively, the screw rod 26 rotates while driving the lifting block 24, so that the lifting block 24 performs lifting movement, the lifting block 24 drives the first rectangular frame 19 through cooperation of the connecting block 23 and the fourth rotating shaft 22 while lifting, thereby adjusting the height of the detector body 4, so that the detection end of the detector body 4 is adjusted to an appropriate height for crack detection, the detector can automatically maintain a horizontal state when the device is stopped at the crack, avoiding the purpose of manually leveling the detector by the staff when the device is stopped on uneven ground, improving the working efficiency of crack detection, and thereby improving the practicability.

[0035] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A highway bridge engineering crack measuring device, comprising: a bottom plate (1); characterized in that: the top side of the bottom plate (1) is fixedly connected with a gantry (2), a square groove (3) is formed in the bottom plate (1) close to the gantry (2), a detector body (4) is arranged in the square groove (3), and a rectangular groove (5) is formed in the side of the bottom plate (1) away from the square groove (3), wherein a gear box (6) is arranged in the rectangular groove (5); the inside of the gear box (6) is provided with a lifting mechanism (7) for sweeping impurities on the ground; gravity mechanisms (8) for automatically leveling the detector body (4) are arranged on both sides of the bottom of the detector body (4).

2. The device for measuring cracks in highway bridge engineering according to claim 1, characterized in that: the lifting mechanism (7) comprises: three first gears (9) are arranged in the gear box (6), the centers of the first gears (9) are fixedly connected with first shafts (10), the bottom ends of the first shafts (10) penetrate through the gear box (6) and extend to rotary discs (11), the bottoms of the rotary discs (11) are fixedly connected with sweeping pads (12), one of the first shafts (10) penetrates through the gear box (6) and extends to a motor (13) at the top end, the motor (13) is fixedly connected with the gear box (6), the first shaft (10) is fixedly connected with the output end of the motor (13), and second gears (14) are arranged between the other two first gears (9), the centers of the second gears (14) are fixedly connected with second shafts (15), the two ends of the second shafts (15) are rotatably connected with the gear box (6), and the first gears (9) are engaged with the second gears (14); connecting frames (16) are arranged on both sides of the top of the gear box (6), the bottoms of the connecting frames (16) are fixedly connected with the bottom plate (1), hydraulic cylinders (17) are fixedly connected in the connecting frames (16), and the telescopic ends of the hydraulic cylinders (17) are fixedly connected with the gear box (6).

3. The device for measuring cracks in highway bridge engineering according to claim 1, characterized in that: the gravity mechanisms (8) comprise: matching fixing frames (18) are arranged on both sides of the bottom of the detector body (4), the tops of the two fixing frames (18) are fixedly connected with a first rectangular frame (19), third shafts (20) are fixedly connected to the two sides of the first rectangular frame (19), and the ends of the third shafts (20) away from the first rectangular frame (19) are rotatably connected with a second rectangular frame (21); fourth shafts (22) are fixedly connected to the two sides of the second rectangular frame (21), the ends of the fourth shafts (22) away from the second rectangular frame (21) are rotatably connected with connecting blocks (23), and the ends of the connecting blocks (23) away from the fourth shafts (22) are fixedly connected with lifting blocks (24); power mechanisms (25) for adjusting the height of the detector body (4) are arranged in the lifting blocks (24).

4. The device for measuring cracks in highway bridge works as claimed in claim 3, wherein: the power mechanisms (25) comprise: The inside of the lifting block (24) is screwed with a screw rod (26), the bottom end of the screw rod (26) is rotationally connected with a fixed block (27), the fixed block (27) is fixedly connected with the bottom plate (1), the top end of the screw rod (26) penetrates through the gantry (2) and extends to the outside of the gantry (2), and the screw rod (26) is rotationally connected with the gantry (2); The top center of the gantry (2) is fixedly connected with a double-shaft motor (28), the two side output ends of the double-shaft motor (28) are fixedly connected with first bevel gears (29), the side away from the double-shaft motor (28) of the first bevel gear (29) is engaged with a second bevel gear (30), and the second bevel gear (30) is fixed to the top end of the screw rod (26).

5. The apparatus for measuring cracks in highway bridge works as claimed in claim 1, wherein: The bottom of the bottom plate (1) is provided with a roller (31), the center of the roller (31) is fixedly connected with a fifth rotating shaft (32), and the two ends of the fifth rotating shaft (32) are rotationally connected with supporting blocks (33).

6. A device for measuring cracks in highway bridge works as claimed in claim 5 wherein: The top of the bottom plate (1) near one side of the square groove (3) is fixedly connected with a push rod (34), and the push rod (34) is matched with the roller (31).

7. The device for measuring cracks in highway bridge engineering as described in claim 1, characterized in that: The top of the bottom plate (1) near one side of the rectangular groove (5) is provided with a control box (35) with a storage battery inside, and the control box (35) is fixedly connected with the bottom plate (1). The top of the bottom plate (1) near one side of the rectangular groove (5) is provided with a control box (35) with a storage battery inside, and the control box (35) is fixedly connected with the bottom plate (1).

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