CN213748211U

CN213748211U - Portable crack detection device

Info

Publication number: CN213748211U
Application number: CN202022231961.7U
Authority: CN
Inventors: 张佩
Original assignee: Suzhou Traffic Engineering Testing Center Co ltd
Current assignee: Suzhou Traffic Engineering Testing Center Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-20
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a portable crack detection device, which comprises a concave frame, wherein the concave frame comprises a horizontal part and a vertical part, the vertical part is a telescopic plate and is internally and movably connected with a piston plate, the side surface of the vertical part is provided with an adjusting knob, the top center of the horizontal part is embedded with a round level indicator, the top center of the horizontal part is provided with an auxiliary handle, the top center of the horizontal part is symmetrically provided with through screw holes, the inside of the through screw holes is in threaded connection with adjusting screw rods, the side wall of the bottom end of the adjusting screw rods is provided with a bearing, the bottom end of the adjusting screw rods is rotatably connected with a cross bar through the bearing, the center of the bottom end of the cross bar is provided with a sliding chute, the center of the two ends of the sliding chute is provided with a magnet rod, the magnet rod movably penetrates through the sliding block, the center of the bottom end of the sliding block is fixed with an underground thin rod, the side wall of the underground thin rod is provided with a depth indicating strip, and the side surface of the cross bar is provided with an installation through hole, and a marking pen is arranged in the mounting through hole.

Description

Portable crack detection device

Technical Field

The utility model relates to a bridge crack detects the field, especially relates to a portable crack detection device.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

At present, bridge road surface etc. are all laid by pitch and form bituminous paving, because the effect of driving load and the influence of natural factor, can produce the crack on the bridge bituminous paving, lead to the fracture to destroy even, if the crack is not in time repaired, then can produce the road surface pit to cause deeper damage to bituminous paving, and still can influence driving safety. Therefore, early detection of asphalt pavement cracks is an important prerequisite for maintaining asphalt pavement. Crack to bridge road surface detects, mainly detects through the road workman at present, and to the workman, cracked detection mainly relies on eyes to observe, and long-time observation road surface can lead to workman's eyesight to receive the influence, and when eyes were tired, difficult discovery cracked existence, be not convenient for when detecting moreover to crack degree of depth control, be not convenient for the testing personnel use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem solve provides a portable crack detection device, has solved and has mainly detected through the road workman at present, and to the workman, cracked detection mainly leans on eyes to observe, and long-time observation road surface can lead to workman's eyesight to receive the influence, and when eyes were tired simultaneously, difficult discovery fissured existence, be not convenient for control the fissured degree of depth moreover during the detection, the problem that the detection personnel of being not convenient for used.

In order to solve the technical problems, the utility model provides a portable crack detection device, which comprises a concave frame, wherein the concave frame comprises a horizontal part and a vertical part, the vertical part is a telescopic plate and is movably connected with a piston plate inside, the side surface of the vertical part is provided with an adjusting knob, a round level indicator is embedded in the top center of the horizontal part, the top center of the horizontal part is provided with an auxiliary handle, the top center of the horizontal part is symmetrically provided with through screw holes, the inside of the through screw holes is connected with an adjusting screw rod in a threaded manner, the side wall of the bottom end of the adjusting screw rod is provided with a bearing, the bottom end of the adjusting screw rod is rotatably connected with a cross bar through the bearing, the center of the bottom end of the cross bar is provided with a chute, the centers of the two ends of the chute are provided with a magnet rod, the inside of the chute is connected with a slide block in a sliding manner, and the magnet rod movably penetrates through the slide block, the utility model discloses a slider, including slider bottom, horizontal bar, installation through-hole internally mounted has the marker pen, slider bottom center is fixed with the thin pole of income ground, go into the thin pole lateral wall of ground and set up degree of depth instruction strip, installation through-hole side has been seted up, installation through-hole internally mounted has the marker pen.

Furthermore, the top end of the round level indicator and the top end of the horizontal part are positioned on the same horizontal plane, the surface of the auxiliary handle is provided with a rubber protective sleeve, and the length of the auxiliary handle is less than half of the length of the horizontal part.

Furthermore, the length of the adjusting screw is equal to the vertical distance from the top end of the horizontal part to the bottom end of the piston plate when the piston plate in the vertical part is completely extended, and the length of the cross bar is slightly smaller than the length of the bottom end face of the horizontal part.

Furthermore, the depth of the sliding groove is larger than half of the height of the transverse bar, and the length of the sliding groove is smaller than the length of the transverse bar and larger than the minimum horizontal distance between the two groups of through screw holes.

Furthermore, the height of the sliding block is equal to the depth of the sliding groove, the sliding block is made of an iron material, the sliding block is in magnetic contact with the magnet rod, and the sliding block can move on the surface wall of the magnet rod under the action of external force.

Furthermore, the depth indication strip is arranged in the center of the side wall of the underground slender rod, and the diameter of the installation through hole is equal to the maximum diameter of the marking pen.

The technical scheme of the utility model the device that provides can solve and mainly detect through the road workman at present, and to the workman, cracked detection mainly relies on eyes to observe, and long-time observation road surface can lead to workman's eyesight to receive the influence, and when eyes were tired simultaneously, difficult discovery fissured existence, be not convenient for control the fissured degree of depth moreover when detecting, the problem that the measurement personnel of being not convenient for used. The device has simple structure, small volume and convenient carrying and use, and can adjust the telescopic degree of the piston plate in the vertical part by utilizing the adjusting knob through arranging the vertical part of the telescopic plate and the round level indicator, adjust the levelness of the horizontal part and ensure that the transverse bar is in a horizontal state when in depth detection; through the arrangement of the through screw hole and the adjusting screw rod, the transverse bar can be driven to move downwards by utilizing the thread matching of the through screw hole and the adjusting screw rod, so that the underground thin rod below the transverse bar is driven to move downwards to penetrate into the crack, the crack is detected, and when the penetrating length exceeds the depth indicating strip, the crack needs to be repaired; by arranging a marking pen, the crack to be repaired can be marked.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the top view structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic view of the horizontal bar structure of the present invention.

Labeled as: the horizontal part 1, the vertical part 2, the piston plate 3, the adjusting knob 4, the round level indicator 5, the auxiliary handle 6, the through screw hole 7, the adjusting screw 8, the bearing 9, the cross bar 10, the chute 11, the magnet rod 12, the through slide block 13, the ground penetrating thin rod 14, the depth indicating strip 15, the mounting through hole 16 and the marker pen 17.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figures 1 and 2, a portable crack detection device comprises a concave frame, the concave frame comprises a horizontal part 1 and a vertical part 2, the vertical part 2 is a telescopic plate and is movably connected with a piston plate 3 inside, the side surface of the vertical part 2 is provided with an adjusting knob 4, the center of the top end of the horizontal part 1 is embedded with a circular level indicator 5, the top end of the circular level indicator 5 and the top end of the horizontal part 1 are positioned on the same horizontal plane, the center of the top end of the horizontal part 1 is provided with an auxiliary handle 6, the surface of the auxiliary handle 6 is provided with a rubber protective sleeve, the length of the auxiliary handle 6 is less than one half of the length of the horizontal part 1, both sides of the center of the top end of the horizontal part 1 are symmetrically provided with through screw holes 7, the inside of the through screw holes 7 is in threaded connection with adjusting screws 8, the length of the adjusting screws 8 is equal to the vertical distance from the top end of the horizontal part 1 to the bottom end of the piston plate 3 when the piston plate 3 inside the vertical part 2 completely extends out, the side wall of the bottom end of the adjusting screw rod 8 is provided with a bearing 9, the bottom end of the adjusting screw rod 8 is rotatably connected with a cross bar 10 through the bearing 9, and the length of the cross bar 10 is slightly smaller than that of the bottom end face of the horizontal part 1;

as shown in fig. 3 and 4, a sliding groove 11 is formed in the center of the bottom end of a cross bar 10, the depth of the sliding groove 11 is greater than half of the height of the cross bar 10, the length of the sliding groove 11 is less than the length of the cross bar 10 and greater than the minimum horizontal distance between two groups of through screw holes 7, a magnet rod 12 is installed in the center of each end of the sliding groove 11, a slider 13 is connected inside the sliding groove 11 in a sliding manner, the height of the slider 13 is equal to the depth of the sliding groove 11, the slider 13 is made of a ferrous material, the slider 13 is in magnetic contact with the magnet rod 12, the slider 13 can move on the surface wall of the magnet rod 12 under the action of external force, the magnet rod 12 movably penetrates through the slider 13, an underground thin rod 14 is fixed at the center of the bottom end of the slider 13, a depth indication strip 15 is arranged on the side wall of the underground thin rod 14, a mounting through hole 16 is formed in the side surface of the cross bar 10, a marking pen 17 is installed inside the mounting through hole 16, the diameter of the mounting through-hole 16 is equal to the maximum diameter of the marker pen 17.

When the device is used, a tester holds the auxiliary handle 6 by hand to place the concave frame on two sides above a crack, respectively rotates the adjusting knobs 4 on two sides according to the road surface condition of a bridge, adjusts the telescopic length of the piston plate 3 in the vertical part 2, adjusts the horizontal part 1 to be in a horizontal state by using the circular level indicator 5, enables the cross bar 10 to be in a horizontal state, then drives the slide block 13 to move by using the sliding fit external force of the slide block 13 and the slide groove 11, enables the ground entering thin rod 14 below the slide block 13 to be over against the crack gap, limits the slide block 13 by using the magnetic fit of the slide block 13 and the magnet rod 12, then rotates the adjusting screw 8 by using the thread fit of the adjusting screw 8 and the through screw hole 7, drives the cross bar 10 to move downwards, so that the ground entering thin rod 14 moves downwards to enter the crack, and the ground entering thin rod 14 continuously moves downwards along with the continuous rotation of the adjusting screw 8, if the length of downward movement exceeds the depth indication strip 15, the depth of the crack is indicated to exceed the specification, the crack needs to be repaired, and the mark pen 17 is used for marking the crack, so that the subsequent searching and repairing are facilitated. This device simple structure, the volume is less, and portable and use has solved and has mainly detected through road workman at present, and to the workman, cracked detection mainly leans on eyes to observe, and long-time observation road surface can lead to workman's eyesight to receive the influence, and when eyes were tired simultaneously, difficult discovery cracked existence, be not convenient for control the cracked degree of depth when detecting moreover, the problem that the measurement personnel of being not convenient for used.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. The utility model provides a portable crack detection device, includes concave type frame, its characterized in that: the concave frame comprises a horizontal part (1) and a vertical part (2), the vertical part (2) is a telescopic plate, the interior of the vertical part (2) is movably connected with a piston plate (3), an adjusting knob (4) is arranged on the side surface of the vertical part (2), a round level indicator (5) is embedded in the center of the top end of the horizontal part (1), an auxiliary handle (6) is arranged in the center of the top end of the horizontal part (1), through screw holes (7) are symmetrically formed in two sides of the center of the top end of the horizontal part (1), an adjusting screw rod (8) is connected with the inside of each through screw hole (7) in a threaded manner, a bearing (9) is arranged on the side wall of the bottom end of each adjusting screw rod (8), a cross bar (10) is rotatably connected to the bottom end of each adjusting screw rod (8) through the bearing (9), a sliding groove (11) is formed in the center of the bottom end of each cross bar (10), and a magnet rod (12) is installed in the centers of two ends of each sliding groove (11), sliding connection has slider (13) in spout (11), slider (13) are run through in magnet pole (12) activity, slider (13) bottom center is fixed with income ground thin rod (14), go into ground thin rod (14) lateral wall and set up degree of depth gauge strip (15), mounting hole (16) have been seted up to horizontal bar (10) side, mounting hole (16) internally mounted has marker pen (17).

2. A portable crack detection device as claimed in claim 1, wherein: the top end of the round level indicator (5) and the top end of the horizontal part (1) are located on the same horizontal plane, the surface of the auxiliary handle (6) is provided with a rubber protective sleeve, and the length of the auxiliary handle (6) is smaller than half of the length of the horizontal part (1).

3. A portable crack detection device as claimed in claim 1, wherein: the length of the adjusting screw rod (8) is equal to the vertical distance from the top end of the horizontal part (1) to the bottom end of the piston plate (3) when the piston plate (3) in the vertical part (2) extends completely, and the length of the transverse bar (10) is slightly smaller than the length of the bottom end face of the horizontal part (1).

4. A portable crack detection device as claimed in claim 1, wherein: the depth of the sliding groove (11) is larger than half of the height of the transverse bar (10), and the length of the sliding groove (11) is smaller than the length of the transverse bar (10) and larger than the minimum horizontal distance between the two groups of through screw holes (7).

5. A portable crack detection device as claimed in claim 1, wherein: the height of slider (13) equals the degree of depth of spout (11), slider (13) are the iron material preparation and form, slider (13) and magnet pole (12) magnetic contact and slider (13) can move on magnet pole (12) table wall under the exogenic action.

6. A portable crack detection device as claimed in claim 1, wherein: the depth indication strip (15) is arranged in the center of the side wall of the ground penetration thin rod (14), and the diameter of the installation through hole (16) is equal to the maximum diameter of the marking pen (17).