A crack detection device for ancient building wood structure

Abstract

The application discloses an ancient building wood structure crack detection device and relates to the technical field of wood structure crack detection.The device comprises an attachment frame, a side frame, a walking assembly arranged on the attachment frame, and a ring embracing mechanism arranged at the two ends of the attachment frame.The attachment frame is in ring embracing contact with the wood structure through the ring embracing mechanism, and the attachment frame moves on the surface of the wood structure through the walking assembly.A detection mechanism is arranged on the side of the attachment frame facing the wood structure.The detection mechanism comprises an arc-shaped groove arranged on the side of the attachment frame facing the wood structure, and an arc-shaped detection frame slidingly installed in the arc-shaped groove.The two ends of the arc-shaped detection frame are provided with detection cameras on the side facing the wood structure, and a switching mechanism is further arranged at the end of the side frame.The switching mechanism is used for switching the detection device from the cylindrical wood structure to the square horizontal beam wood structure, so that the surface crack detection operation of the whole wood structure building can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wood structure crack detection, and specifically relates to an ancient building wood structure crack detection device. BACKGROUND

[0002] Wood structure ancient buildings are prone to cracks over time and climate change, in order to prolong the service life of the wood structure ancient buildings, it is necessary to regularly detect the surface cracks of the wood structure buildings to avoid the cracks of the wood structure from expanding and damaging the stress balance of the buildings.

[0003] The existing ancient building wood structure crack detection mainly relies on manual detection equipment, and it is difficult to detect the wood structure parts at high positions, and the detection cost is high, so an ancient building wood structure crack detection device is urgently needed. SUMMARY

[0004] The present application relates to the technical field of wood structure crack detection, and specifically relates to an ancient building wood structure crack detection device.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] An ancient building wood structure crack detection device comprises an attachment frame and a side frame, the side frame is symmetrically arranged at both ends of the attachment frame, a walking assembly is arranged on the attachment frame, a ring embracing mechanism is arranged at both ends of the attachment frame, the attachment frame is in ring embracing contact with the wood structure through the ring embracing mechanism, the attachment frame moves on the surface of the wood structure through the walking assembly, and a detection mechanism is arranged on the side of the attachment frame facing the wood structure.

[0007] The detection mechanism comprises an arc-shaped slot arranged on the side of the attachment frame facing the wood structure, an arc-shaped detection frame is slidably installed in the arc-shaped slot, detection cameras are arranged on the side of both ends of the arc-shaped detection frame facing the wood structure, two groups of arc-shaped rods are fixedly installed in the arc-shaped slot, fixed blocks are arranged at both ends of the arc-shaped rods, the arc-shaped rods are fixedly installed between the fixed blocks and the arc-shaped slot, a plurality of sliding sleeves II are installed on the arc-shaped rods, clamping grooves are arranged on the upper and lower sides of the arc-shaped detection frame, positioning balls are arranged on the sliding sleeves II and matched with the clamping grooves, and the arc-shaped detection frame slides back and forth between the sliding sleeves II through the clamping grooves.

[0008] As a further scheme of the present application, a motor III is fixedly installed on the outer side of the arc-shaped slot, a contact wheel is connected to the motor III, the contact wheel is in mutual contact with the surface of the arc-shaped detection frame, the fixed blocks are connected with anti-dropping blocks, and limit blocks are arranged at the end portions of the arc-shaped detection frame.

[0009] As a further further scheme of the present application: the walking assembly comprises a mounting column arranged between the attachment frame and the side frame, a sliding sleeve one is sleeved on the mounting column, a connecting spring is sleeved on the mounting column between the sliding sleeve one and the attachment frame, a hinged frame one is mounted on the sliding sleeve one, a hinged frame two is mounted on the side frame, the hinged frame one and the hinged frame two are hinged, a walking wheel is rotatably mounted on the end of the hinged frame two, a connecting block is arranged at the back of the sliding sleeve one, a bidirectional screw rod is rotatably mounted at the back of the attachment frame, the connecting block and the bidirectional screw rod are threadedly connected, a motor one is fixedly mounted on the attachment frame, a driving gear is connected to the motor one, a matching section is arranged on the bidirectional screw rod, and the driving gear and the matching section are meshed with each other.

[0010] As a further further scheme of the present application: the embracing mechanism comprises a connecting rod arranged at the edge of the attachment frame and the side frame, a rotating sleeve is mounted on the connecting rod, an embracing frame is arranged on the rotating sleeve, a connecting sleeve is arranged on the connecting rod at both ends of the rotating sleeve, the connecting sleeve and the connecting rod are fixedly connected, a motor two is arranged on the connecting sleeve, a driving gear is connected to the motor two, a driven gear is arranged on the rotating sleeve, the driving gear and the driven gear are meshed with each other, a fixing frame is arranged on the connecting sleeve, a supporting spring is arranged between the embracing frame and the fixing frame, and an embracing wheel is arranged on the embracing frame.

[0011] As a further further scheme of the present application: a matching sliding block is fittedly mounted in the embracing frame, an installation plate is arranged in the matching sliding block, a direction adjusting motor is arranged on the installation plate, the embracing wheel and the installation plate are rotatably mounted, the direction adjusting motor is connected to the embracing wheel, an adjusting groove is arranged on the upper side of the embracing frame, a telescopic cylinder is arranged in the adjusting groove, a connecting buckle is fittedly mounted in the adjusting groove, the connecting buckle and the matching sliding block are fixedly connected, and the end of the telescopic cylinder is connected to the connecting buckle.

[0012] As a further further scheme of the present application: two embracing wheels are arranged side by side, an installation gap is arranged between the two embracing wheels, and the two embracing wheels and the top corner parts of the square wood structure are matched with each other.

[0013] As a further further scheme of the present application: the end of the side frame is provided with a switching mechanism, the switching mechanism comprises a connecting frame, the connecting frame and the side frame are fixedly mounted, a rotating frame is rotatably mounted on the connecting frame, a rotating motor is arranged between the rotating frame and the connecting frame, a swinging frame is arranged on the rotating frame, a swinging motor is arranged between the swinging frame and the rotating frame, the swinging frames are symmetrically arranged, a capturing frame is rotatably mounted on the swinging frame, a motor four is connected to the capturing frame, a connecting frame is arranged at the end of the capturing frame, a moving wheel is mounted on the connecting frame, and a motor five is connected to the moving wheel.

[0014] As a further scheme of the present application: the moving wheels are provided with two groups, and belt pulleys are arranged on the two groups of moving wheels, and transmission belts are arranged between the belt pulleys.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] (1) The arc-shaped detection frame is movably installed through the arc-shaped slot, the arc-shaped detection frame is controlled to move in the arc-shaped slot, and then the detection cameras at both ends of the arc-shaped detection frame carry out shooting detection on the surface of the wood structure, so as to determine the crack condition of the surface of the wood structure. After the attachment frame is attached around the wood structure in combination with the embracing mechanism, the arc-shaped detection frame is adjusted around the central axis under the control of the power component, and the arc-shaped detection frame can perform complete appearance detection on the outer surface of the wood structure without adjusting the relative position between the attachment frame and the wood structure.

[0017] (2) The anti-disengagement blocks are arranged on the fixed blocks, and the limiting blocks are arranged on the arc-shaped detection frame, when the arc-shaped detection frame is adjusted to the limit position, the limiting blocks are blocked and limited by the anti-disengagement blocks, so as to avoid disengagement between the arc-shaped detection frame and the arc-shaped slot, and the position adjustment of the arc-shaped detection frame is realized through the motor three and the contact wheels.

[0018] (3) The bidirectional screw is controlled to rotate through the motor one, so as to drive the sliding sleeves at both ends to move along the mounting column, and then the walking wheels installed between the articulated frame one and the articulated frame two are opened, so that the walking wheels abut against the surface of the wood structure. The walking wheels are self-driven walking wheels, and the walking wheels and the end portions of the articulated frame two are rotatably installed, the direction of the walking wheels is adjusted through electric driving, so that the relative position can be adjusted when the detection device walks on the surface of the wood structure, the detection device can be rotated and adjusted in position around the wood structure, and the size setting problem of the arc-shaped detection frame in the detection mechanism can be solved when a large-size wood structure is detected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a first perspective view of the present application.

[0020] Figure 2 It is a second perspective view of the present application.

[0021] Figure 3 It is an installation schematic view of the walking assembly in the present application.

[0022] Figure 4 It is an installation schematic view of the bidirectional screw in the present application.

[0023] Figure 5 It is an installation schematic view of the walking wheel in the present application.

[0024] Figure 6The structure schematic diagram of the embracing mechanism in the application.

[0025] Figure 7 The connection schematic diagram of the embracing wheel in the application.

[0026] Figure 8 The connection schematic diagram of the detection mechanism and the attachment frame in the application.

[0027] Figure 9 The structure schematic diagram of the detection mechanism in the application.

[0028] Figure 10 The structure schematic diagram of the switching mechanism in the application. Figure 9 The enlarged structure schematic diagram at A in the application.

[0029] Figure 11 The structure schematic diagram of the switching mechanism in the application.

[0030] Figure 12 The installation schematic diagram of the moving wheel in the application.

[0031] In the figure: 1, attachment frame; 10, side frame; 11, connecting rod; 2, walking assembly; 20, mounting column; 21, sliding sleeve one; 22, connecting spring; 23, hinged frame one; 24, hinged frame two; 25, walking wheel; 26, connecting block; 27, bidirectional screw rod; 28, matching section; 29, motor one; 210, driving gear; 3, embracing mechanism; 30, connecting sleeve; 31, rotating sleeve; 32, embracing frame; 33, adjusting groove; 34, matching sliding block; 340, direction adjusting motor; 341, connecting buckle; 342, mounting plate; 343, telescopic air cylinder; 35, embracing wheel; 36, driven gear; 37, driving gear; 38, motor two; 39, fixed frame; 310, supporting spring; 4, detection mechanism; 40, arc-shaped groove; 41, arc-shaped detection frame; 42, fixed block; 43, arc-shaped rod; 44, sliding sleeve two; 45, clamping recess; 46, positioning ball; 47, motor three; 48, contact wheel; 49, anti-dropping block; 410, detection camera; 411, limiting block; 5, switching mechanism; 50, connecting frame; 51, rotating frame; 52, rotating motor; 53, swinging frame; 54, swinging motor; 55, capturing frame; 56, motor four; 57, connecting frame; 58, moving wheel; 59, motor five; 510, pulley; 511, transmission belt. DETAILED DESCRIPTION

[0032] The technical solutions of the application will be further described in detail in combination with specific embodiments.

[0033] As Figure 1 , Figure 2 , Figure 3As shown in the figure, a kind of ancient building wood structure crack detection device, including attachment frame 1, side frame 10, the side frame 10 is symmetrically arranged in the both ends of attachment frame 1, the attachment frame 1 is provided with walking assembly 2, the both ends of the attachment frame 1 are provided with embracing mechanism 3, the attachment frame 1 is contacted by embracing mechanism 3 between wood structure and embracing, the attachment frame 1 moves on the surface of wood structure by walking assembly 2, the detection mechanism 4 is arranged on the side of the attachment frame 1 towards wood structure.

[0034] As shown in the figure, Figure 2 , Figures 8-10 As shown in the figure, the detection mechanism 4 includes the arc-shaped slot 40 arranged on the side of the attachment frame 1 towards wood structure, the arc-shaped detection frame 41 is slidably installed in the arc-shaped slot 40, the detection camera 410 is arranged on the side of the arc-shaped detection frame 41 towards wood structure, two groups of arc-shaped rods 43 are fixedly installed in the arc-shaped slot 40, the both ends of the arc-shaped rod 43 are provided with fixed blocks 42, the arc-shaped rod 43 is fixedly installed between the arc-shaped slot 40 through the fixed blocks 42, a plurality of sliding sleeves two 44 are installed on the arc-shaped rod 43, the both sides of the arc-shaped detection frame 41 are provided with clamping grooves 45, the positioning ball 46 is arranged on the sliding sleeve two 44 and matched with the clamping groove 45, the arc-shaped detection frame 41 slides back and forth between the sliding sleeve two 44 through the clamping groove 45.

[0035] Specifically, the arc-shaped detection frame 41 is movably installed in the arc-shaped slot 40, the arc-shaped detection frame 41 is controlled to move in the arc-shaped slot 40, and then the detection camera 410 at the both ends of the arc-shaped detection frame 41 carries out shooting detection on the surface of the wood structure, so as to determine the crack condition of the surface of the wood structure. When the attachment frame 1 is attached to the wood structure by the embracing mechanism 3, the arc-shaped detection frame 41 is adjusted around the central axis under the control of the power component, and the relative position between the attachment frame 1 and the wood structure is not adjusted, so that the arc-shaped detection frame 41 can carry out complete appearance detection on the outer surface of the wood structure.

[0036] More specifically, the wood structure mainly includes cylindrical and square columnar structures, the general stand is cylindrical, and the square column is mainly used for beam structure. After the embracing mechanism 3 and the outer surface of the wood structure are embraced, in order to avoid frequent adjustment of the relative position between the attachment frame 1 and the surface of the wood structure during the detection process, the arc-shaped detection frame 41 is movably installed, when the left side of the arc-shaped detection frame 41 and the right side of the arc-shaped slot 40 are close to each other, the detection camera 410 on the right side of the arc-shaped detection frame 41 reaches the limit detection angle; correspondingly, when the right side of the arc-shaped detection frame 41 and the left side of the arc-shaped slot 40 are close to each other, the detection camera 410 on the left side of the arc-shaped detection frame 41 reaches the limit detection angle, the cooperation between the arc-shaped slot 40 and the arc-shaped detection frame 41 effectively reduces the setting length of the arc-shaped detection frame 41, so as to avoid that the arc-shaped detection frame 41 is set too large, which affects the detection adaptability of the overall structure of the detection device and different sizes of wood structures.

[0037] Further, as shown in Figures 8-10 The outer side of the arc-shaped groove 40 is fixedly provided with a motor three 47, the motor three 47 is connected with a contact wheel 48, the contact wheel 48 is in contact with the surface of the arc-shaped detection frame 41, the fixed block 42 is connected with an anti-dropping block 49, and the end of the arc-shaped detection frame 41 is provided with a limiting block 411.

[0038] Specifically, in order to avoid the arc-shaped detection frame 41 from being separated from the arc-shaped groove 40 when adjusting the position, the anti-dropping block 49 is arranged on the fixed block 42, and the limiting block 411 is arranged on the arc-shaped detection frame 41, when the arc-shaped detection frame 41 is adjusted to the limit position, the limiting block 411 is blocked by the anti-dropping block 49, thereby avoiding the arc-shaped detection frame 41 from being separated from the arc-shaped groove 40, and the arc-shaped detection frame 41 is adjusted in position by the motor three 47 and the contact wheel 48.

[0039] It should be noted that, in order to avoid the limiting block 411 and the anti-dropping block 49 from interfering with the contact wheel 48, the limiting block 411 is arranged on different sides of the two ends of the arc-shaped detection frame 41, corresponding to the anti-dropping block 49 arranged on the fixed block 42 at the two ends of the arc-shaped groove 40, and the contact wheel 48 and the motor three 47 are provided with two groups, so that when the arc-shaped detection frame 41 reaches the two ends of the arc-shaped groove 40, the arc-shaped detection frame 41 can be returned to the middle of the arc-shaped groove 40.

[0040] Further, as shown in Figures 2-5 The walking assembly 2 comprises a mounting column 20 arranged between the attachment frame 1 and the side frame 10, a sliding sleeve one 21 is sleeved on the mounting column 20, a connecting spring 22 is sleeved on the mounting column 20 between the sliding sleeve one 21 and the attachment frame 1, a hinged frame one 23 is installed on the sliding sleeve one 21, a hinged frame two 24 is installed on the side frame 10, the hinged frame one 23 and the hinged frame two 24 are hinged, a walking wheel 25 is rotatably installed on the end of the hinged frame two 24, a connecting block 26 is arranged on the back of the sliding sleeve one 21, a bidirectional screw 27 is rotatably installed on the back of the attachment frame 1, the connecting block 26 and the bidirectional screw 27 are threadedly connected, a motor one 29 is fixedly installed on the attachment frame 1, the motor one 29 is connected with a driving gear 210, a matching section 28 is arranged on the bidirectional screw 27, and the driving gear 210 and the matching section 28 are meshed with each other.

[0041] Specifically, when the embracing mechanism 3 is in contact with the surface of the wooden structure, the bidirectional screw rod 27 is controlled to rotate by the motor 29, thereby driving the sliding sleeve 21 at both ends to move along the mounting column 20, and further driving the walking wheels 25 installed between the articulated frame 23 and the articulated frame 24 to be opened, so that the walking wheels 25 abut against the surface of the wooden structure. The walking wheels 25 are self-driven walking wheels 25, and the walking wheels 25 are rotatably installed at the end of the articulated frame 24. The direction of the walking wheels 25 is adjusted by electric driving, so that the relative position of the detection device can be adjusted when the detection device walks on the surface of the wooden structure, and the detection device can rotate around the wooden structure to adjust the position. When detecting a larger size wooden structure, the size setting problem of the arc-shaped detection frame 41 in the detection mechanism 4 can be solved.

[0042] Further, as shown in Figure 2 、 Figure 3 、 Figure 6 、 Figure 7 , the embracing mechanism 3 comprises a connecting rod 11 arranged on the attachment frame 1 and the edge of the side frame 10, a rotating sleeve 31 is installed on the connecting rod 11, an embracing frame 32 is arranged on the rotating sleeve 31, a connecting sleeve 30 is arranged on the connecting rod 11 at both ends of the rotating sleeve 31, the connecting sleeve 30 is fixedly connected with the connecting rod 11, a motor 38 is arranged on the connecting sleeve 30, a driving gear 37 is connected with the motor 38, a driven gear 36 is arranged on the rotating sleeve 31, the driving gear 37 and the driven gear 36 are meshed with each other, a fixed frame 39 is arranged on the connecting sleeve 30, a supporting spring 310 is arranged between the embracing frame 32 and the fixed frame 39, and an embracing wheel 35 is arranged on the embracing frame 32.

[0043] Further, as shown in Figure 6 、 Figure 7 , a matching sliding block 34 is matched and installed in the embracing frame 32, an installation plate 342 is arranged in the matching sliding block 34, a direction adjusting motor 340 is arranged on the installation plate 342, the embracing wheel 35 is rotatably installed between the installation plate 342, the direction adjusting motor 340 is connected with the embracing wheel 35, an adjusting groove 33 is arranged on the upper side of the embracing frame 32, a telescopic cylinder 343 is arranged in the adjusting groove 33, a connecting buckle 341 is matched and installed in the adjusting groove 33, the connecting buckle 341 is fixedly connected with the matching sliding block 34, and the end of the telescopic cylinder 343 is connected with the connecting buckle 341.

[0044] Specifically, when the attachment frame 1 and the side frame 10 are attached to the edge of the wood structure, the motor 38 is used to rotate the ring frame 32 to gradually approach the surface of the wood structure, and the telescopic cylinder 343 is used to adjust the position of the ring wheel 35 relative to the ring frame 32, so that the ring wheel 35 and the walking wheel 25 form a ring clamping on the surface of the wood structure. The ring wheel 35 is adjusted in direction by the steering motor 340, and is synchronized with the walking wheel 25, which is convenient for the detection device to rotate and adjust the detection operation relative to the wood structure.

[0045] Further, as shown in Figure 7 , the ring wheel 35 is provided with two, and the installation gap is provided between the two ring wheels 35, and the two ring wheels 35 are matched with the top corner parts of the square wood structure.

[0046] Specifically, the ring wheel 35 is provided with two, and the gap between the two ring wheels 35 can ensure reliable ring between the detection device and the wood structure when detecting the horizontal beam and the horizontal beam is a square wood structure, wherein the gap between the two ring wheels 35 and the right angle edge of the square wood structure are matched with each other, so as to realize the ring clamping of the square wood structure, and the walking assembly 2 is convenient for driving the detection device to move along the horizontal wood structure for detection.

[0047] Further, as shown in Figure 2 , Figure 3 , Figure 11 , Figure 12 The end of the side frame 10 is provided with a switching mechanism 5, the switching mechanism 5 includes a connecting frame 50, the connecting frame 50 is fixedly installed between the side frame 10, the rotating frame 51 is rotatably installed on the connecting frame 50, the rotating motor 52 is provided between the rotating frame 51 and the connecting frame 50, the swing frame 53 is provided on the rotating frame 51, the swing motor 54 is provided between the swing frame 53 and the rotating frame 51, the swing frame 53 is symmetrically arranged, the capture frame 55 is rotatably installed on the swing frame 53, the motor 56 is connected to the capture frame 55, the connecting frame 57 is provided at the end of the capture frame 55, the moving wheel 58 is installed on the connecting frame 57, and the motor 59 is connected to the moving wheel 58.

[0048] Specifically, when the detection device reaches the end of the cylindrical wood structure, the horizontal square beam wood structure is approached, in order to facilitate the transfer of the detection device from the cylindrical wood structure to the square wood structure, a switching mechanism 5 is arranged on the side frame 10, a rotatingly installed capture frame 55 is used to capture the square wood structure, a rotatingly installed moving wheel 58 on the capture frame 55 is in contact with the top of the square wood structure, at this time the embracing mechanism 3 is loosened from the embrace of the cylindrical wood structure, the moving wheel 58 drives the attachment frame 1 and the side frame 10 to move as a whole, at this time the lower connecting frame 50, the side frame 10 and the attachment frame 1 are swung upward by the swing motor 54, the embracing mechanism 3 is reattached to the square wood structure, and the operation of detecting the surface cracks of the wood structure is continued.

[0049] Further, as shown in Figure 12 The moving wheel 58 is provided with two groups, and a belt pulley 510 is arranged on the two groups of moving wheels 58, and a transmission belt 511 is arranged between the belt pulleys 510.

[0050] The working principle of the embodiment of the present application is as follows:

[0051] As shown in Figures 1-12As shown, the arc-shaped detection frame 41 is movably installed in the arc-shaped groove 40, and the arc-shaped detection frame 41 is controlled to move in the arc-shaped groove 40, thereby carrying the detection cameras 410 at both ends of the arc-shaped detection frame 41 to shoot and detect the surface of the wood structure, so as to determine the crack condition of the surface of the wood structure. When the attachment frame 1 is attached around the wood structure in combination with the embracing mechanism 3, the arc-shaped detection frame 41 is adjusted around the central axis under the control of the power component, so that the arc-shaped detection frame 41 can perform complete appearance detection on the outer surface of the wood structure without adjusting the relative position between the attachment frame 1 and the wood structure. The wood structure mainly includes cylindrical and square column structures, and generally the column is cylindrical, and the square column is mainly used for beam structure. After the embracing mechanism 3 and the outer surface of the wood structure are embraced with each other, in order to avoid frequent adjustment of the relative position between the attachment frame 1 and the surface of the wood structure during the detection process, the arc-shaped detection frame 41 is movably installed, when the left side of the arc-shaped detection frame 41 approaches the right side of the arc-shaped groove 40, the detection camera 410 on the right side of the arc-shaped detection frame 41 reaches the limit detection angle, and correspondingly, when the right side of the arc-shaped detection frame 41 approaches the left side of the arc-shaped groove 40, the detection camera 410 on the left side of the arc-shaped detection frame 41 reaches the limit detection angle. The cooperation between the arc-shaped groove 40 and the arc-shaped detection frame 41 effectively reduces the setting length of the arc-shaped detection frame 41, thereby avoiding that the arc-shaped detection frame 41 is set to be too large in arc, and affecting the detection adaptability of the overall structure of the detection device and wood structures of different sizes. In order to avoid that the arc-shaped detection frame 41 is separated from the arc-shaped groove 40 during the adjustment of the position, the anti-separation block 49 is arranged on the fixed block 42, and the limiting block 411 is arranged on the arc-shaped detection frame 41, when the arc-shaped detection frame 41 is adjusted to the limit position, the limiting block 411 is blocked and limited by the anti-separation block 49, thereby avoiding that the arc-shaped detection frame 41 is separated from the arc-shaped groove 40, and the arc-shaped detection frame 41 realizes the adjustment of the position through the motor three 47 and the contact wheel 48. After the embracing mechanism 3 and the surface of the wood structure are in contact with each other, the bidirectional screw rod 27 is controlled to rotate through the motor one 29, thereby driving the sliding sleeve one 21 at both ends to move along the mounting column 20, and further making the walking wheel 25 installed between the hinged frame one 23 and the hinged frame two 24 to be opened, so that the walking wheel 25 is abutted on the surface of the wood structure. The walking wheel 25 is a self-driven walking wheel 25, and the walking wheel 25 is rotatably installed at the end of the hinged frame two 24, and the direction of the walking wheel 25 is adjusted through electric driving, thereby facilitating the adjustment of the relative position when the detection device walks on the surface of the wood structure, so that the detection device can rotate and adjust the position around the wood structure, and the problem of insufficient size setting of the arc-shaped detection frame 41 in the detection mechanism 4 can be solved when a large-size wood structure is detected. After the attachment frame 1 and the side frame 10 are attached to the edge of the wood structure, the embracing frame 32 is rotated through the motor two 38, gradually approaches the surface of the wood structure, and the position of the embracing wheel 35 relative to the embracing frame 32 is adjusted in combination with the telescopic cylinder 343, so that the embracing wheel 35 and the walking wheel 25 are combined to form the embracing and clamping of the surface of the wood structure.Wherein the embrace wheel 35 is adjusted by the steering motor 340, and the walking wheel 25 is adjusted synchronously, so as to facilitate the detection device to rotate and adjust the detection operation. When the detection device reaches the end of the cylindrical wood structure, it is close to the horizontally arranged square beam wood structure. In order to facilitate the detection device to transfer from the cylindrical wood structure to the square wood structure, the switching mechanism 5 is arranged on the side frame 10, the capture frame 55 is rotatably installed on the switching mechanism 5, and the square wood structure is captured. The moving wheel 58 rotatably installed on the capture frame 55 is in contact with the top of the square wood structure. At this time, the embrace mechanism 3 releases the embrace with the cylindrical wood structure, and the moving wheel 58 drives the attachment frame 1 and the side frame 10 to move as a whole. At this time, the lower connecting frame 50 and the side frame 10 and the attachment frame 1 are swung upward by the swing motor 54, and the embrace mechanism 3 is reattached to the square wood structure. From the cylindrical wood structure to the square wood structure, and continue to detect the surface crack of the wood structure.

[0052] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0053] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. The skilled person should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by the skilled person.

Claims

1. A device for detecting cracks in the wooden structure of ancient buildings, comprising an attachment frame (1) and side frames (10), wherein the side frames (10) are symmetrically arranged at both ends of the attachment frame (1), characterized in that, The attachment frame (1) is provided with a walking component (2), and the two ends of the attachment frame (1) are provided with a hugging mechanism (3). The attachment frame (1) is in hugging contact with the wooden structure through the hugging mechanism (3). The attachment frame (1) moves on the surface of the wooden structure through the walking component (2). The attachment frame (1) is provided with a detection mechanism (4) on the side facing the wooden structure. The detection mechanism (4) includes an arc-shaped groove (40) provided on the side of the attachment frame (1) facing the wooden structure. An arc-shaped detection frame (41) is slidably installed in the arc-shaped groove (40). Detection cameras (410) are provided at both ends of the arc-shaped detection frame (41). Two sets of arc-shaped rods (43) are fixedly installed in the arc-shaped groove (40). Fixing blocks (42) are provided at both ends of the arc-shaped rods (43). The arc-shaped rods (43) are fixedly installed between the arc-shaped groove (40) and the fixing blocks (42). Multiple sliding sleeves (44) are installed on the arc-shaped rods (43). Snap-fit ​​grooves (45) are provided on the upper and lower sides of the arc-shaped detection frame (41). Positioning balls (46) that cooperate with the snap-fit ​​grooves (45) are provided on the sliding sleeves (44). The arc-shaped detection frame (41) slides back and forth between the sliding sleeves (44) through the snap-fit ​​grooves (45). The end of the side frame (10) is provided with a switching mechanism (5). The switching mechanism (5) includes a connecting frame (50). The connecting frame (50) is fixedly installed with the side frame (10). A rotating frame (51) is rotatably installed on the connecting frame (50). A rotary motor (52) is provided between the rotating frame (51) and the connecting frame (50). A swing frame (53) is provided on the rotating frame (51). A swing motor (54) is provided between the swing frame (53) and the rotating frame (51). The swing frames (53) are symmetrically arranged. A capture frame (55) is rotatably installed on the swing frame (53). A motor four (56) is connected to the capture frame (55). A connecting frame (57) is provided at the end of the capture frame (55). A moving wheel (58) is installed on the connecting frame (57). A motor five (59) is connected to the moving wheel (58). The movable wheel (58) is provided in two sets, and the two sets of movable wheels (58) are provided with pulleys (510), and a transmission belt (511) is provided between the pulleys (510).

2. The device for detecting cracks in ancient wooden structures according to claim 1, characterized in that, A motor three (47) is fixedly installed on the outside of the arc groove (40). The motor three (47) is connected to a contact wheel (48). The contact wheel (48) is in contact with the surface of the arc detection frame (41). The fixing block (42) is connected to an anti-detachment block (49). A limit block (411) is provided at the end of the arc detection frame (41).

3. The device for detecting cracks in ancient wooden structures according to claim 1, characterized in that, The walking assembly (2) includes a mounting post (20) disposed between the attachment frame (1) and the side frame (10). A sliding sleeve (21) is sleeved on the mounting post (20). A connecting spring (22) is sleeved on the mounting post (20) between the sliding sleeve (21) and the attachment frame (1). A hinge frame (23) is mounted on the sliding sleeve (21). A hinge frame (24) is mounted on the side frame (10). The hinge frame (23) and the hinge frame (24) are hinged together. The end of the hinge frame (24) is... The attachment frame (1) is rotatably mounted with a walking wheel (25). A connecting block (26) is provided on the back of the sliding sleeve (21). A bidirectional screw (27) is rotatably mounted on the back of the attachment frame (1). The connecting block (26) and the bidirectional screw (27) are threadedly connected. A motor (29) is fixedly mounted on the attachment frame (1). The motor (29) is connected to a drive gear (210). A mating section (28) is provided on the bidirectional screw (27). The drive gear (210) and the mating section (28) mesh with each other.

4. The device for detecting cracks in ancient wooden structures according to claim 1, characterized in that, The circumferential mechanism (3) includes connecting rods (11) disposed on the edges of the attachment frame (1) and the side frame (10). A rotating sleeve (31) is mounted on the connecting rod (11). A circumferential frame (32) is disposed on the rotating sleeve (31). Connecting sleeves (30) are disposed on the connecting rods (11) at both ends of the rotating sleeve (31). The connecting sleeves (30) are fixedly connected to the connecting rods (11). A second motor (38) is disposed on the connecting sleeve (30). A driving gear (37) is connected to the second motor (38). A driven gear (36) is disposed on the rotating sleeve (31). The driving gear (37) and the driven gear (36) mesh with each other. A fixed frame (39) is disposed on the connecting sleeve (30). A supporting spring (310) is disposed between the circumferential frame (32) and the fixed frame (39). A circumferential wheel (35) is disposed on the circumferential frame (32).

5. A crack detection device for ancient wooden structures according to claim 4, characterized in that, A sliding block (34) is installed inside the ring frame (32). A mounting plate (342) is provided inside the sliding block (34). A directional motor (340) is provided on the mounting plate (342). The ring wheel (35) is rotatably installed between the ring frame (35) and the mounting plate (342). The directional motor (340) is connected to the ring wheel (35). An adjustment groove (33) is provided on the upper side of the ring frame (32). A telescopic cylinder (343) is provided inside the adjustment groove (33). A connecting buckle (341) is installed inside the adjustment groove (33). The connecting buckle (341) is fixedly connected to the sliding block (34). The end of the telescopic cylinder (343) is connected to the connecting buckle (341).

6. The device for detecting cracks in ancient wooden structures according to claim 5, characterized in that, Two ring wheels (35) are arranged side by side, with an installation gap between the two ring wheels (35), and the two ring wheels (35) cooperate with the top corner of the square wooden structure.

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