Bridge crack detection equipment

Abstract

The utility model relates to the technical field of engineering supervision, and discloses bridge crack detection equipment, which comprises a carrier; a lifting frame; the positioning structure comprises a lug part, a marking frame and a scraping plate, the lug part is elastically connected with the lifting frame, the marking frame is rotationally connected with the lug part, the marking frame is located under the detector body, the marking frame forms a frame body structure, the bottom of the marking frame can be attached to the bottom face, and the scraping plate is slidably connected with the marking frame. The ear part is elastically connected with the lifting frame, so that the marking frame can be ensured to be in close contact with the ground, the to-be-detected position of the detector body is limited and marked through the marking frame, a coupling agent is poured into the marking frame, a scraping plate is pushed, and the scraping plate uniformly spreads the coupling agent; the coupling agent is uniformly smeared, so that the detection precision is guaranteed, and waste caused by non-position wide smearing is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering supervision technical field especially relates to a bridge crack detection equipment. BACKGROUND

[0002] After bridge erection, in order to avoid the emergence of collapse and other accidents, guarantee the personal safety of the passerby, need to detect the bridge regularly, when detecting the bridge, crack and defect detection are one of them.

[0003] The disclosure no. CN111257424A discloses a kind of bridge internal crack nondestructive testing equipment, including two pieces of symmetrically arranged support plate, two support plates are connected by connecting plate between, the bottom of support plate is equipped with pulley;The upper surface of two support plates is fixed with support column, and height adjusting mechanism is installed between two support columns;The height adjusting mechanism includes lifting plate, the bottom of lifting plate is equipped with translation detection mechanism, and the translation detection mechanism includes ultrasonic wave emission end.

[0004] Prior art is lifted by detector, when being close to ground, the road surface crack detection and flaw detection of bridge, but in order to guarantee the transmission of sound wave, need to smear couplant on road surface, and before detector is lowered to ground, only can be roughly judged detection position by naked eye, and couplant is smeared in large range to guarantee that detection surface has couplant, and the thickness of smearing also has manual control of supervision personnel, with certain inconvenience.

[0005] Therefore, we propose a kind of bridge crack detection equipment. UTILITY MODEL CONTENT

[0006] The utility model mainly solves the technical problem that couplant smearing position is difficult to accurately judge and smearing thickness is difficult to keep consistent, and provides a kind of bridge crack detection equipment.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a kind of bridge crack detection equipment, including:

[0008] Carrier, frame structure with roller;

[0009] Lifting frame, rod body structure for bearing and installation is movably arranged above carrier, the top of carrier is equipped with screw rod drive lifting frame lifting, and the detection instrument body for detection is fixedly installed below lifting frame;

[0010] The positioning structure is arranged below the lifting frame and is used for cleaning the ground and applying coupling agent, and the positioning structure comprises an ear, a marking frame and a scraper, the ear is elastically connected with the lifting frame, the marking frame is rotationally connected with the ear, the marking frame is located directly below the detector body, the marking frame forms a frame structure and the bottom of the marking frame can be attached to the bottom surface, and the scraper is slidingly connected with the marking frame and can clean large stones below the marking frame and uniformly spread the coupling agent.

[0011] As a preferred mode of the utility model, the positioning structure further comprises a limiting rod, the limiting rod is fixedly connected with the ear, a through hole is formed in the wall surface of the lifting frame, the limiting rod extends to above the lifting frame through the through hole, and a spring is sleeved on the wall surface of the limiting rod.

[0012] As a preferred mode of the utility model, a thread is formed in the part of the limiting rod located on the lifting frame, a nut is threadedly connected with the wall surface of the limiting rod, the spring is located between the lifting frame and the ear, and the same ear and limiting rod are symmetrically arranged on both sides of the marking frame.

[0013] As a preferred mode of the utility model, an axle hole is formed in the wall surface of the ear, a rotating shaft is rotationally connected in the axle hole, and the end of the rotating shaft is fixedly connected with the side wall of the marking frame.

[0014] As a preferred mode of the utility model, the marking frame forms a rectangular frame structure, the cavity size of the marking frame is greater than the size of the detector body, the scraper forms a rectangular rod body structure, the bottom of the scraper is higher than the bottom of the marking frame, and the length of the scraper is equal to the cavity of the marking frame.

[0015] As a preferred mode of the utility model, the positioning structure further comprises a connecting rod and a sliding groove, the wall surface of the ear is provided with the sliding groove, the scraper is detachably connected with the connecting rod, and the sliding groove is slidingly connected with the connecting rod.

[0016] As a preferred mode of the utility model, the connecting rod forms an L-shaped rod body structure, the bent part of the connecting rod is clamped into the sliding groove and is slidingly connected with the sliding groove, and the scraper is locked with the connecting rod through bolts.

[0017] Beneficial effects

[0018] The utility model provides a bridge crack detection equipment. Have the following beneficial effects:

[0019] 1. The bridge crack detection equipment, by setting the reversible marking frame, by the marking frame around the ear part is turned, and the ear part is connected with the lifting frame elastically, so that the marking frame is in close contact with the ground, the marking frame is used for limiting and marking the position to be detected of the detector body, the coupling agent is poured into the marking frame, the scraper is pushed, the coupling agent is uniformly spread by the scraper, so that the transmission of the sound wave is facilitated, the detection precision is ensured by uniform coating of the coupling agent, the waste caused by wide coating without position is reduced, and in the sliding process of the scraper, the large impurities such as stones on the ground can be driven to one side of the marking frame, so that the probability of damage to the detector body in the falling process is reduced.

[0020] 2. The bridge crack detection equipment, by the falling of the lifting frame, the lifting frame drives the spring to deform, the thrust of the spring to the ear part makes the marking frame abut against the ground, the elastic connection of the ear part and the lifting frame is realized, and the ear part can keep vertical displacement under the limiting action of the two limiting rods, so that the stability of the movement of the marking frame is ensured, and the probability of movement interference is reduced.

[0021] 3. The bridge crack detection equipment, in the sliding process of the scraper, the scraper drives the connecting rod to slide in the sliding groove, so that the scraper can keep horizontal displacement for coating the coupling agent, the detachable scraper can be replaced after damage, maintenance is facilitated, the structure is simple, and the practical supervision use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is one of the overall perspective views of the utility model;

[0023] Figure 2 It is the second overall perspective view of the utility model;

[0024] Figure 3 It is the installation schematic view of the positioning structure and the lifting frame of the utility model;

[0025] Figure 4 It is the perspective view of the marking frame of the utility model;

[0026] Figure 5 It is the perspective view of the connecting rod and the scraper of the utility model.

[0027] Legend: 10, carrier; 11, lifting frame; 12, detector body; 13, ear part; 14, marking frame; 15, scraper; 16, limiting rod; 20, connecting rod; 21, sliding groove. DETAILED DESCRIPTION

[0028] A bridge crack detection equipment, as shown in Figure 1 and Figure 2 , comprising:

[0029] The carrier 10 has a frame structure with a roller;

[0030] The lifting frame 11 is movably arranged above the carrier 10 and is a rod structure for bearing and installation. The top of the carrier 10 is provided with a screw rod for driving the lifting frame 11 to lift. The screw rod is rotatably connected with the carrier 10. The top of the carrier 10 is fixedly connected with a motor. The output shaft of the motor is fixedly connected with the screw rod. The top of the carrier 10 is fixedly installed with a guide rail. The lifting frame 11 is slidably connected with the guide rail. The screw rod is threadedly connected with the lifting frame 11. The bottom of the lifting frame 11 is fixedly installed with a detector body 12 for detection. The detector body 12 comprises a shell. An ultrasonic transmitter and an ultrasonic receiver and a control panel are installed in the shell. The ultrasonic transmitter and the receiver are electrically connected with the control panel. Of course, a power supply such as a lithium battery is also installed in the shell. An operation panel is fixedly arranged outside the shell. The operation panel is electrically connected with the control panel. The ultrasonic transmitter emits ultrasonic waves to the bridge. The receiver transmits signals to the control panel. The control panel displays the height and position of the emitted signals on a display assembly. Thus, the size of the defect can be determined. The detection personnel can directly view the internal defects of the bridge. This is a known prior art and will not be described here.

[0031] As Figure 2 , Figure 3 and Figure 4As shown, the positioning structure is arranged below the lifting frame 11 for cleaning the ground and applying coupling agent, which comprises an ear 13, a marking frame 14 and a scraper 15, the ear 13 is elastically connected with the lifting frame 11, the marking frame 14 is rotationally connected with the ear 13, the marking frame 14 is located directly below the detector body 12, the marking frame 14 forms a frame structure and the bottom of the marking frame 14 can be attached to the bottom surface, the scraper 15 is slidingly connected with the marking frame 14, the scraper 15 can clean large stones below the marking frame 14 and evenly spread the coupling agent, the wall surface of the ear 13 is provided with a shaft hole, a shaft is rotationally connected in the shaft hole, the end of the shaft is fixedly connected with the side wall of the marking frame 14, the marking frame 14 forms a rectangular frame structure, the cavity size of the marking frame 14 is larger than the size of the detector body 12, the scraper 15 forms a rectangular rod structure, the bottom of the scraper 15 is higher than the bottom of the marking frame 14, the length of the scraper 15 is equal to the cavity of the marking frame 14, in this scheme, by arranging the reversible marking frame 14, the marking frame 14 is flipped around the ear 13, and then the marking frame 14 remains parallel to the bridge deck position to be detected, and the ear 13 is elastically connected with the lifting frame 11 to ensure that the marking frame 14 is in close contact with the ground, the marking frame 14 limits and marks the position to be detected of the detector body 12, the coupling agent is poured into the marking frame 14, the scraper 15 is pushed, the coupling agent is evenly spread by the scraper 15, and then the transmission of sound waves is facilitated, the coupling agent is evenly applied to ensure detection accuracy, and waste caused by extensive application without position is reduced, at the same time, in the sliding process of the scraper 15, large impurities such as stones on the ground can be driven to one side of the marking frame 14, the probability of damage to the detector body 12 in the falling process is reduced, a gap is left between the bottom of the scraper 15 and the ground to ensure the thickness of the coupling agent, and the marking frame 14 can be made of rubber.

[0032] As shown in the Figure 3 The positioning structure further comprises a limiting rod 16, the limiting rod 16 is fixedly connected with the ear 13, the wall surface of the lifting frame 11 is provided with a through hole, the limiting rod 16 extends to above the lifting frame 11 through the through hole, a spring is sleeved on the wall surface of the limiting rod 16, the part of the limiting rod 16 on the lifting frame 11 is provided with a thread, a nut is threadedly connected with the wall surface of the limiting rod 16, the spring is located between the lifting frame 11 and the ear 13, the same ear 13 and limiting rod 16 are symmetrically arranged on both sides of the marking frame 14, as a supplement to the above-mentioned scheme, the lifting frame 11 is lowered, the lifting frame 11 pushes the spring to deform, the pushing force of the spring to the ear 13 makes the marking frame 14 abut against the ground, realizing the elastic connection of the ear 13 and the lifting frame 11, at the same time, the ear 13 can keep vertical displacement under the limiting action of the two limiting rods 16, ensuring the stability of the movement of the marking frame 14 and reducing the probability of movement interference.

[0033] As shown in the Figure 4 and Figure 5As shown, the positioning structure further comprises a connecting rod 20 and a sliding groove 21, the wall surface of the lug 13 is provided with the sliding groove 21, the scraper 15 is detachably connected with the connecting rod 20, the sliding groove 21 is slidably connected with the connecting rod 20, the connecting rod 20 forms an L-shaped rod body structure, the bent part of the connecting rod 20 is clamped into the sliding groove 21 and is slidably connected with the sliding groove 21, the scraper 15 is locked with the connecting rod 20 through bolts, in the scheme, in the sliding process of the scraper 15, the scraper 15 drives the connecting rod 20 to slide in the sliding groove 21, and then the scraper 15 can keep horizontal displacement to spread the coupling agent, the detachable scraper 15 can be replaced after the scraper 15 is damaged, maintenance in the later period is facilitated, the structure is simple, and the scraper 15 is easy to use and popularize.

[0034] The working principle of the utility model: the shell is installed with ultrasonic transmitter and ultrasonic receiver and control panel, ultrasonic transmitter and receiver all are with control panel electric signal connection, of course, the shell is also installed with power, for example lithium cell, the outside of shell is fixedly provided with operating panel, operating panel is with control panel electric signal connection, through ultrasonic emission end to bridge launch ultrasonic wave, and utilize receiver to transmit signal to control panel, utilize control panel to show on display component the height, position and the like of emission signal, so that can judge the size of defect, convenient for detection personnel to view the defect problem inside bridge intuitively, this is the prior art known, do not repeat here;

[0035] The lifting frame 11 falls, the spring is deformed by the lifting frame 11, and the thrust of the spring to the lug 13 makes the mark frame 14 abut against the ground, realizing the elastic connection of the lug 13 and the lifting frame 11, and simultaneously, the lug 13 can keep vertical displacement under the limiting action of the two limiting rods 16, the mark frame 14 is set to be reversible, and the mark frame 14 keeps parallel with the bridge surface to be detected by turning around the lug 13, and the elastic connection of the lug 13 and the lifting frame 11 can guarantee that the mark frame 14 is in close contact with the ground, the mark frame 14 is used for limiting and marking the position to be detected of the detector body 12, the coupling agent is poured into the mark frame 14, the scraper 15 is pushed, the coupling agent is uniformly spread by the scraper 15, and the scraper 15 drives the connecting rod 20 to slide in the sliding groove 21 in the sliding process of the scraper 15, and then the scraper 15 can keep horizontal displacement to spread the coupling agent.

[0036] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A bridge crack detection apparatus, characterized by, Include: The carrier (10) has the frame structure of the roller; Lifting frame (11), movably arranged above the carrier (10) for supporting and mounting the rod body structure, the top of the carrier (10) is provided with a screw rod driving lifting frame (11) lifting, the lower part of the lifting frame (11) is fixedly installed with a detector body (12) for detection; Positioning structure, arranged below the lifting frame (11) for cleaning the ground and applying coupling agent, the positioning structure comprises an ear (13), a marking frame (14) and a scraper (15), the ear (13) is elastically connected with the lifting frame (11), the marking frame (14) is rotatably connected with the ear (13), the marking frame (14) is located directly below the detector body (12), the marking frame (14) forms a frame structure and the bottom of the marking frame (14) can be attached to the bottom surface, the scraper (15) is slidably connected with the marking frame (14), the scraper (15) can clean the large stones below the marking frame (14) and evenly spread the coupling agent.

2. The bridge crack detection apparatus according to claim 1, characterized by: The positioning structure further comprises a limiting rod (16), the limiting rod (16) is fixedly connected with the ear (13), the wall surface of the lifting frame (11) is provided with a through hole, the limiting rod (16) extends through the through hole to above the lifting frame (11), and the wall surface of the limiting rod (16) is sleeved with a spring.

3. The bridge crack detection apparatus according to claim 2, characterized by: The part of the limiting rod (16) on the lifting frame (11) is provided with a screw thread, the wall surface of the limiting rod (16) is screw connected with a nut, the spring is located between the lifting frame (11) and the ear (13), and the same ear (13) and limiting rod (16) are symmetrically arranged on both sides of the marking frame (14).

4. The bridge crack detection apparatus of claim 1, wherein: The wall surface of the ear (13) is provided with an axle hole, a rotating shaft is rotatably connected in the axle hole, and the end of the rotating shaft is fixedly connected with the side wall of the marking frame (14).

5. The bridge crack detection apparatus of claim 1, wherein: The marking frame (14) forms a rectangular frame structure, the cavity size of the marking frame (14) is greater than the size of the detector body (12), the scraper (15) forms a rectangular rod body structure, the bottom of the scraper (15) is higher than the bottom of the marking frame (14), and the length of the scraper (15) is equal to the chamber of the marking frame (14).

6. The bridge crack detection apparatus of claim 1, wherein: The positioning structure further comprises a connecting rod (20) and a sliding groove (21), the wall surface of the ear (13) is provided with a sliding groove (21), the scraper (15) is detachably connected with the connecting rod (20), and the sliding groove (21) is slidably connected with the connecting rod (20).

7. The bridge crack detection apparatus of claim 6, wherein: The connecting rod (20) forms an L-shaped rod body structure, the bent part of the connecting rod (20) is clamped into the sliding groove (21) and slidably connected with the sliding groove (21), and the scraper (15) is locked with the connecting rod (20) through bolts.

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